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HomeMy WebLinkAboutORD 1984-076 1984-1988BILL .10, 1133 COUNTY OF HAWAII - STATE OF HAWAII ORDINA~~ICE NO. 84 "rs Ail ORDINANCE AMENDING CHAPTER 5 OF THE HAWAII COUNTY CODE RELATING TO BUILDING. BE IT ORDAI:QED BY THE COUNCIL OF THE COUNTY OF HA~IAII: 3r'.CTION 1. `napter 5 of the Hawaii Count, Code is repealed. SECTIO.Q 2. The Hawaii County Code is amended by adding a new Chaptzr 5 to read as follows: CHAPTER 5 BUILDING ARTICLE 1. Adoption of Uniform Building Code Section 5-1 Adoption of Building Code Section 5-2 Amending Section 103 Section ~-3 Amending Section 104(a) Section 5-4 Amending Sectior. 203 Section 5-5 Amending Section 20~ Section 5-6 Amending Section 205 Section 5-7 Amending Section 200 Section 5-8 Amending Section 301(a) Section 5-9 Amending Section 302(b) Section 5-lU Amending Section 302(c) Section 5-11 Amending Section 303(a) Section 5-12 Amending Section 303(d) Section 5-13 Amending Section 304(b) Section 5-14 Amending Section 304(c) Section 5-15 Amending Section 304(d) Section 5-16 Deleting Section 304(e) Section 5-17 Amending Section 305(a) Section 5-18 Amending Section 305(b) Section 5-19 Amending Section 305(c) Section 5-20 Deleting Section 305(d) Section 5-21 Amending Section 305(9) Section 5-22 Amending Section 306 Section 5-23 Amending Table No . 3-A Section 5-24 Amending Section 402 Section 5-25 Amending Section 403 Section 5-26 Amending Section 404 Section 5-27 Amending Section 406 Section 5-28 Amending Section 407 Section 5-29 Amen3ing Section 4i7 Section 5-30 Amending Section 420 Section 5-31 Amending Section 504(a) Section 5-32 Amending Section 504(e) Section 5-33 Amending Section 510 Section 5-34 Amending Section 511(b) Section 5-35 Amending Section 511(c) Section 5-36 Amending Section 511(d) Section 5-37 Amen3ing Section 513 Section 5-38 Amending Section 514 Section 5-39 Amending Section 515 Section 5-40 Amending Table No. 5-A Section 5-41 Amending Table No. 5-B Section 5-42 Amending Table N o. 5-C Section 5-43 Amending Table N o. 5-D Section 5-44 Amending Section 605 Section 5-45 Amending Section 702(a) ~ Section 5-46 Amending Section 705 Section 5-47 Amending Section 709(b) Section 5-48 Amending Section 709(d) Section 5-49 ~ Amending Section 709(k) Section 5-50 Amending Table No. 7-B Section 5-51 Amending Section 802(c) Section 5-52 Amending Section 802(d) Section 5-53 Amending Section 805 Section 5-54 Amending Section 305 Section 5-55 Amending Section SOS Section 5-56 Amending Section 1009 Section ~-57 Amending Section 1101 Section 5-58 Amending Section 1102(a) ~ Section 5-59 Amending Section 1102(0) Section 5-60 Amending Section 1103 Section 5-61 Amending Section 1104 Section 5-62 Amending Section 1105 Section 5-63 Amending Section 1106 Section 5-64 Amending Section 1108 Section 5-65 Adding Table No. 11-A Section 5-66 Adding Table No. 11-B Section 5-67 Amending Section 1202(b) Section 5-68 Amending Section 1203 Section 5-69 Amending Section 1204 Section 5-70 Amending Section 1205 ~t Section 5-71 Amending Section 1206 Section 5-72~ Amending Section 1207 Section 5-73 Amending Section 1208 Section 5-74 Amending Section 1210(a) Section 5-75 Deleting Section 1211 Section 5-76 Amending Section 1213 Section 5-77 Amending Section 1214 Section 5-78 Adding Section 1215 Section 5-79 Amending Section 170o(a) Section 5-80 Amending Section 1710 Section 5-81 Amending Section 1711 Section 3-82 amending Section '_713 Section 5-83 Amending Section 1716 Section 5-34 Amending Section 1807 l Section 5-85 Amending Section 2106(e) Section 5-86 Deleting Section 2304(e) Section 5-87 Amending Table No. 23-C Section 5-88 Amending Section 2408(c) Section 5-89 Amending Section 2414(a)2 Section 5-90 Amending Section 2414(a)8 Section 5-91 Deleting Section 2414(b and c) Section 5-92 Amending Table No. 24-A Section 5-93 Amending Section 2516(c)2 Section 5-94 Adding Section 2518 Section 5-95 Amending Section 2604(1) ~~ Section 5-96 t Section 5-97 Section 5-98 Section 5-99 Section 5-100 Section 5-101 Section 5-102 Section 5-103 Section 5-104 Section 5-105 Section 5-106 Section 5-107 Section 5-108 ( Section 5-109 Section 5-110 Section 5-111 Section 5-112 Section 5-113 Section 5-114 Section 5-115 Section 5-116 Section 5-117 Section 5-118 Section 5-119 Section 5-120 Amending Section 2901 Amending Section 2903(a) Deleting Section 2904(b) Amending Section 2908(b) Amending Amending Amending Amending amending Amending Amending Amending Amending Section Section Section Section Section Section Section Section Section 3207(e) 3303 (a; 3304 (b) 3304 (n) 3305 (~; 3306;0; 3306(j; 3307(4; 3309(a; Amending Section 3310 Amending Section 3313(b) Adding Section 331.3 (c) Amending Section 3319(k) Amending Table No. 33-A Amending Section 3801(a) Amending Section 3802 Adding Section 3805(c) Adding Section 3805(£) Amending Section 3806 Amending Table No. 38-A Amending Section 3906(b) Section 5-121 ~; ~ Amending Section 4005 ~~ .. Section 5-122 Amending Section 4401 Section 5-123 Amending Section 4403 Section 5-124 Amending Section 4405 Section 5-125 Amending Section 4406 Section 5-126 Amending Section 4407 Section 5-127 Amending Table No . 44-A Section 5-128 Amending Section 4501 Section 5-129 Deleting Section 4502 Section 5-130 Deleting Section 4503 Section 5-131 Amending Section 4504 Section 5-132 Amending Section 4505 Section 5-133 Amending Section 4506(bj Section 5-134 Amending Section 4506(ci Section 5-135 Amending Section 4507 Section 5-136 Addinq Chapter 49 Section 5-137 Deleting Chapter 50 Section 5-138 Deleting Chapter 51 Section 5-139 Adding Chapter 53 Section 5-140 Amending Section 5405 Section 5-141 Amending Table No . 54-C Section 5-142 Adding Chapter 57 Section 5-143 Amending Section 6001 Section 5-144 Adding Chapter 61 Section 5-145 Adding Chapter 62 ARTICLE 1. adoption of Uniform Building Code Section 5-1. Adoption of building code. (a) The "Uniform Building Code, 1982 Edition, Volume I," as copyrighted and published in 1982 by the International Conference of Building Officials, 5360 South Workman Road, L4hittier, California 90601, is adopte3 by reference and ;Wade a Dart of this chapter, subject to the amendments in this articl=_. (b) The word "state" or "city" when use3 in r_he "Uni`orm Building Code, 1982 Edition, Volume I," means the County, except for those sections amende3 in this article. Section 5-2. Amen3ing section 103. (a) Section 103 is amended by amending the first l paragraph to rea3 as follows: "Section 103. The provisions of this Code shall apply to the construction, alteration, moving, 3emolition, repair, and use of any building or structure within the county inland of the shoreline highwater line, except work located primarily in a public way, public utility towers and poles, mechanical equipment not specifically regulate3 in this Code, and hydraulic flood control structures." (b) Section 103 is amended by adding a fifth paragraph to read as follows: "VTherever in this Code reference is made to the techanical Code, the provisions in the Mechanical Code shall be „ deeme3 only guides and not mandatory. -1- Section 5-3. Amending section 104(a). Section 104(x) is amended to rea3 as follows: "(aj General. Buildings or structures to which additions, alterations, or repairs are made shall comply with all the requirements for new buildings or structures except as specifically provided in this section; provided that when any portion of a building is cut or altered by necessity because of taking for public use through condemnation proceedings or otherwise it shall be lawful to reoair the remaining portion with the same class of materials as had been previously used for the building or structure, provi3ed, further, that the repairs shall serve only to make the remaining portion or the building or structure whole and not to add to the building or structure. See section 1210 for provisions requiria3 installation of smoke 3etectors in existing Group R, Division 3 Occupancies." Section 5-4. At[ten3ing section 203. Section 203 is amended to read as follows: "Section 203. Unsafe Buildinys. (a) General. All buildings or structures which are structurally unsafe or not provi3ed with adequate egress, or which constitute a fire hazard, or are otherwise dangerous to human life, or which in relation to existing use constitute a hazar3 to safety or health, or public welfare, by reason of inadequate maintenance dilapidation, obsolescence, fire hazard, or abandonment, as -2- specifie3 in this Code or any other effective ordinance, are, ~' for the purpose of this section, unsafe buildings. All such unsafe buildings are hereby declared to be public nuisances and shall be abated by repair, rehabilitation, demolition, or removal in accordance with the procedure specifie3 in subsections (b), (c), (d), and (e) of this section, unsafe buildings. "(b) Notice to Owner. The building official shall examine or cause to be examined every buil3ing or structure or portion of the building or structure reported as 3angerous or 33mage3 and, if it is found to be an unsafe buil3ilzg as 3efined in this section, the buil3ing official shall give to the owner of the buil3ing or structure written notice stating the 3efects of the building or structure. This notice may require the owner or person in charge of the buil3ing or premises, within forty-eight hours, to commence either the required repairs or improvements or demolition and removal of the buil3ing or structure or portions thereof, and all such work shall be completed within ninety days from date of notice, unless otherwise stipulated by the building official. If necessary, such notice also shall require the building, structure, or portion thereof to be vacated forthwith and not reoccupied until the required repairs and improvements aze completed, inspected, and approved by the building official. 3_ "Proper service of the notice shall be by personal service upon the owner of recor3, if the owner shall be found within the County. If the owner is not foun3 within the County, service may be made upon the owner by registered mail or certified mail, provided, that if the notice is by registered mail or certified mail, the designated period within which the owner or person in charge is required to comply with the order of the building official shall begin as of the gate t:13t notice is receive3. "(c) Posting of Signs. The buil3ing offic131 snail post at each entrance to the buil3ing a notice to rea3: 'DJ VOr E:dPER. UNSAFE TD JC'.:UPY. DLPART:~SEVT JF PUBLIC >vOR::S, COUNTY DF HAWAII.' The notice shall remain posted until the ~" require3 repairs, demolitions, or removal are completed. The L.. notice shall not be removed without written permission of the buil3ing official and no person shall enter the building except for the purpose of making the require3 repairs or of demolishing the building. "(d) Action Upon Noncompliance. If the owner fails, neglects, or refuses to comply with the notice to repair, rehabilitate, or to demolish and remove the building or structure, the buil3ing official may order the owner of the buil3ing prosecuted as a violator of the provisions of this Code. -4- "(e) Nothing containe3 in this section shall be construed to limit or restrict the building official from instituting, on behalf of the County, any other legal or equitable proceedings, in addition to those specified in this section to obtain compliance with the notice to repair, rehabilitate or demolish and remove the building or structure or portion of the buil3ing or structure." Section 5-5. Amending section 204. Section 204 is amended to read as follows: "Section 204. Variances; appeals. (a) Variances. '~henever strict application of any provision of this chapter, except for the provisions relating to materials, methods o construction, equipment, 3evices, or appliances, wou13 result in practical 3ifficulty or unnecessary hardship that wou13 deprive the owner of the reasonable use of the land or buil3ing involved, the owner may petition the board of appeals for a variance from the provision. In granting a variance, the board of appeals shall prescribe any conditions that it deems to be necessary or 3esirable. However, no variance from the strict application of this chapter shall be granted by the boar3 of appeals unless it finds: "(1) That there are special circumstances or conditions applying to the land or building for which the variance is sought, which circumstances or conditions are peculiar to such land or building and do not apply generally to -5- lands or buildinys in the neighborhood or surrounding property, and that the circumstances or con3itions are such that the strict application of the provisions of this chapter would deprive the applicant of the reasonable use of the land or buil3ing; and "(2) That the granting of the variance is necessary for the reasonable use of the land or buil3ing and that the variance granted is the minimum variance that will accomplish this purpose; an3 "(3) 'That the granting of the variance .gill ce consistent with the intent an3 purpose of this chapter, an3 will not be injurious to persons or property or create a33itional fire hazards, and will not otherwise be de*_rime.^.t al to the public welfare. In making its 3etermination, the 'ooar3 of appeals shall take into account the character, use, and type of occupancy and construction of adjoining buildings, buildings on adjoining lots, and the building or land involve3. "(b) Appeals Regarding Alternate iaterials and tea, Methods of Construction. Any person denied the use of new or alternate materials, methods of construction, equipment, devices, or appliances by the building official may, within thirty days after the buil3ing official's 3ecision, appeal the 3ecision to the board of appeals. In considering an appeal, the board may require any reasonable test of the proposed material, method of construction, equipment, 3evice, or -6- appliance, and the appellant shall pay all expenses necessary for the test. The board of appeals may affirm the 3ecision of the building official, or it may reverse the decision if it finds: "(1) That the new or alternate materials, methods of construction, equipment, devices, or appliances meet standards established by the Uniform Building Code and this chapter; and "(2) Phat permitting the requested use .ai11 not jeopardize the safety of persons or property; an3 "(3) Phat the requested use will not be contrary to the intent and purpose of the Uniform 3ui13ing Co3a and this chapter. "(c) Jther Appeals. Any person aggrieve3 by tae 3ecision of the building official in the administration or application of this chapter, other than that prescribed in subsections (a) an3 (b), may, within thirty days after t?ze building official's decision, appeal the 3ecision to the boar3 of appeals. The board of appeals may affirm the 3ecision of the building official, or it may reverse or modify the decision if the decision is: "(1) In violation of this chapter or other applicable law; or "(2) Clearly erroneous in view of the reliable, probative, and substantial evidence on the whole recor3; or -7- "(3) Arbitrary, or capricious, or characterized ~. by an abuse of discretion or clearly unwarranted exercise of discretion. "(d) Rules. The board of appeals shall adopt rules pursuant to chapter 91, Hawaii Revised Statutes, necessary for the purposes of this section." Section 5-6. Amending section 205. Section 205 is amended to rea3 as follows: "Section 205. Violations and penalties. It shall 'pe unlawful for any person, firm or corporation to erect, construct, enlarge, alter, repair, move, improve, remove, convert or 3emolish, equip, use, occupy or maintain any buil3ing or structure or cause or permit the same to be done in violation of this code. ~° "Any person, firm, or corporation who violates any provision of this code shall be guilty of a misdemeanor, and upon conviction shall be punishe3 by a fine of not more than $1,000 or by imprisonment for not more than one year or by both such fine and imprisonment for each separate offense. Each date of violation shall constitute a separate offense." ~; -8- Section 5-7. - read as follows: "Section provisions of this following shall be in case of conflic complied with: ridding section 206. 206. Application of code to the contrary at all times in full ling requirements, th "Hawaii Revised Statutes; Section 206 is added to other laws. Any notwithstanding, the force and effect, and a stricter shall be "Rules an3 regulations of the State department of land utilization; "Ordinances of the County of Hawaii; "Rules an3 regulations of the planning department; "Subdivision rules and regulations adopted pursuant to the subdivision chapter of the County code; C~ "Rules and regulations of the County department of water supply; "Public health regulations, State department of health; "Rules and regulations of the State department of labor and industrial relations; "Fire chapter of the County code; "Airport zoning regulations of the State director of transportation. "Provided, that for public buildings and facilities covered under section 103-50, Hawaii Revised Statutes, the following provisions contained in this code shall not apply: ~.• - 9- "(1) Section 511(a), (b), (c) and (d). "(2) Requirements under column heading 'Access by i4eans of a Ramp or an Elevator Must Be Provided for the Physically Handicapped as Indicated' in Table No. 33-A." Section 5-8. Amending section 301(a). Section 301(a) -is amended to rea3 as follows: "(a) Permits Required. No person, firm or corporation shall erect, construct, enlarge, alter, repair, move, improve, remove, convert, or demolish any uuilding or structure in the County, or cause the same to be done, without first obtaining a separate buil3ing permit for each buil3ing or structure from the building official; provided that one parmic may be obtained for a Swelling and its accessories, such as fence, wall, pool, and garage without living guarter. "EXCEPTLONS: A PERMIT IS dOT REQUIRED FOR: "1. work excepted under section 103. "2. Temporary construction sheds used exclusively for storage of materials, supplies and equipment Suring construction and temporary construction fences. "3. Reroofing work and installation of siding to existing exterior walls which will not affect the structural components of the walls for Groups R-3 and M Occupancies. "4. Temporary tents or other coverings used for private family parties or foz camping. "5. Home television and radio antennas supporte3 on roofs. -10- "6. Awnings projecting up to four feet an3 attached to the exterior walls of buildings of Group R-3 or Occupancy; provided that the awnings do not violate the provision for "yards" in chapter 25 (zoning) of the County code. "7. Standard electroliers not over 35 feet in height above finish grade. "8. Installation of wallpaper or wall covering which are exempted under the provisions of section 4201. "9. Repairs which involve only the replacement of component parts or existing work with similar materials for the purpose of maintenance, and which 3o not aggregate over $300 in valuation in any twelve-month period, an3 3o not affect any electrical or mechanical installations. Repairs exempt from permit requirements shall not include any addition, change, or modification in construction, exit facilities, or permanent fixtures or equipment. Specifically excepte3 from permit requirements without limit to valuation are: "(A) Painting and decorating. "(B) Installation of floor covering. "(C) Cabinet work which is not regulated under section 513. "10. Work performed under the jurisdiction of federal government and/or located in federal property. ~` -11- "(b) Emergency Work. Emergency work may commence without a permit; however, a permit for the work shall be obtained on the working day immediately following the day work is commenced. "(c) Temporary Permit required. No person, firm or l corporation shall erect any tent or similar structure which is to be used for commercial or religious purposes, such as rallies, festivals, amusements and sideshows, without first obtaining a temporary permit for the tent or structure from t'ne building official. To secure a permit, approval must also ~e obtaine3 from the chief of the fire department. A permit for a tent or similar structure shall be non-rene~,vable an3 Limit~3 to a period of not more than thirty consecutive Says and may be cance11e3 for cause by the building official or the fire department at any time before expiration of the time stated in the permit. Upoa cancellation or upon the expiration of the time stated in the permit the structure or structures shall be promptly removed. No tent of canvas, plastic or similar material shall be used for residence purposes." Section 5-9. Amending section 302(b). Section 302(b) is amended to read as follows: "(b) Plans and Specifications. Three sets of plans and specifications shall be submitted with each application for a building permit. -12- "All plans and specifications relating to work which affects the public safety or health and for which a building permit is required shall be prepared, designed or approved by a duly registered professional engineer or architect pursuant to chapter 464, Hawaii Revised Statutes. "All plans for retaining walls over six feet in height shall be prepared, designed or approved by a duly registere3 architect or 3uly registered engineer in the structural or civil branches pursuant to chapter ?v4, .~:='~~ai= Revised Statutes." Section 5-10. Amending section 302(c). Section 302(c) is amended to read as follows: "(c) Information on Plans and Specifications. Plans an3 specifications shall be drawn to scale upon substantial paper or cloth and shall be of sufficient clarity to indicate the nature and extent of the work propose3 and show in 3etail that it will conform to the provisions of this code an3 all relevant laws, ordinances, rules and regulations. The first sheet of each set of plans shall give the tax map key number of the work site and the name and address of the owner and person who prepared the plans. Plans shall include a plot plan showing the location of the proposed building and of every existing building on the property. In lieu of detailed specifications, the building official may approve references on the plans to a specific section or part of this code or other or3inances or laws. -13- "Computations, stress diagrams, and other data sufficient to show the correctness of the plans, shall be submitted when required by the building official." Section 5-11. Amending section 303(a). Section 303(a) is amended to read as follows: "(a) Issuance. The application, plans and specifications filed by an applicant for a permit shall be reviewed by the buil3ing official. Plans shall be revietiaed by any other appropriate department of the County and the 3t_ate to verify compliance with laws and ordinances under their jurisdiction. If the buil3ing official finds that the work 3escribe3 in an application for a permit and the plans, specifications and other data filed therewith conform to the requirements of this code and other pertinent laws and or3inances, and the fees specifie3 in section 304(a) have been paid, the building official shall issue a permit therefor to the applicant; provided, that no permit shall be issue3 for the moving of any building or structure or portion thereof ~dhich has deteriorated or been damaged to an extent greater than fifty percent of the cost of replacement (new) of such buil3ing or structure. "When the building official issues the permit, he shall endorse in writing or stamp on all sets of plans and specifications "APPROVED". Such approved plans an3 specifications shall not be changed, mo3ifie3, or altered without authorization from the buil3ing official, and ,all work ~, shall be done in accordance with the approved plans. -14- "The building official may issue a permit for f~ the construction of part of a building or structure before the entire plans and ,specifications for the whole building or structure have been submitted or approved, provided adequate information and detailed statements have been filed complying with all pertinent requirements of this code. The holder of such permit shall proceed at his own risk without assurance that the permit for the entire building or structure dill be grante3. "The building permit shall be posted in a conspicuous place on the site during the progress of work. "c1o permit issued shall authorize any person or contractor to do work upon any phase of the building, structure e or project unless specifically identified in the permit 0__ application, including any attachment or amendments thereto, as the contractor or subcontractor 3esignated to do that particular phase of work. "If there is a change in the designation of any contractor for any phase of work subsequent to the issuance of a permit and prior to the commencement of work, the permittee shall submit the change in writing to the building official and request approval of the change." -15- Section 5-12. Amending section 303(d). Section 303(d) is amended to read as follows: "(d) Expiration. Every permit issued by the building official under the provisions of this code shall expire by limitation and become null and void; if the building or work authorized by such permit is not commenced within 120 days from the date of the permit, or if the building or work authorized by the permit is suspended or abandoned a*_ any *_ime after the work is commenced for a period of 120 Saps; provided that in the event of strikes or other causes beyon3 the control of the building contractor or owner, the building official may, in writing, extend the 120 Say period for commencement or suspension after the work is commenced for s ~• period not exceeding six months. \ "Where a permit expires, before the work can be recommenced, a new permit shall be first obtained and the fee for the permit shall be one-half the amount required for the original permit for the work; provided that no changes have been made or will be made in the original plans and specifications for the work; and provided, further, that the suspension or abandonment has not exceeded one year." Section 5-13. Amending section 304(b). Section 304(b) is amended to read as follows: "(b) Refunds. Refunds for permits shall be made in accordance with section 2-12 of the County code. "All permits for which such refunds are made shall be void. -16- Section 5-14. Amending section 304(c). Section 304(c) is amended to read as follows: "(c) Compliance with Hawaii Revised Statutes: "Identity of Licenses. It shall be unlawful for any permittee to perform or allow to be performed, any work covered by the permit issued in violation of chapter 444, Hawaii Revised Statutes, relating to the licensing of contractors. Section 5-15. ~men3ing section 304(3). Se^_tion 30Y(3) is amended to read as follows: "(d) ~xemption. The County, all agencies of the County an3 contractors with the County, shall be exempt fro:a the requirement of paying any aermit fee." ` Section 5-16. Deleting section 304(e). Section 304(x) is deleted. Section 5-17. Amending section 305(a). Section 305(a) is amended to read as follows: "(a) General. All construction or work for which a permit is required shall be subject to inspection by the building official. "A survey of the lot at the owner's expense may be required by the building official to verify compliance of the structure with approved plans. -17- amended to read as follows: Section 5-18. Amending section 305(b). Section 305(b) is "(b) Building Official's Right to Enter Building. The building official, so far may be necessary for the performance of his duties, shall have the right to enter upon and inspect, at any reasonable time, any new or unoccupied building or structure under construction, repair, alteration or removal, or any building or structure alleged to be unsafe." Section 5-19. Amending section 305(c). Section 305(c) is amended to read as follows: "(c) Approval Require3. There shall be a final inspection and approval on all buil3iags when completed and ready for occupancy." Section 5-20. Deleting section 305(3) deleted in its entirety. Section 305(3) is Section 5-21. Deleting section 305(g). Section 305(8) is 3eleted in its entirety. Section 5-22. Amending section 306. Section 306 is amended to read as follows: "Section 306. Special Inspections. "(a) General. 'Alien the higher stresses of masonry construction in Table No. 24-H is used, when footings and foundations are to be constructed of wood, or when required by the building official, the owner or the owner's agent shall employ a special inspector who shall be present at all times on special construction or work involving unusual hazards or requiring constant inspection. -18- "(b) Special Inspector. The special inspector shall be a qualified person approved by the building official. An engineer registered in the State and performing inspection in the branches of engineering in which that person is registered shall be a qualified person. "The special inspector shall furnish continuous inspection of the construction and work requiring his employment. He shall keep a record of the special inspection. mane and report any code violations in writing r_o tie cuii~~n_ official. "(c) Approved Fabricators. Special inspections required oy tnis section and elsewhere in tnis code shall r.o~ be required wnere the work is done on the premises of a fabricator approved by the ouilding official to perform such work without special inspection. The certificate of approval shall be subject to revocation by the building official if i*_ is found that any work done pursuant to the approval is in violation of this code." Section 5-23. Amending Table No. 3-A. Table ~o. 3-A is amended to read as follows: "'Fable 3-A - Building Permit Fees. ~,.d Fees for new dwellings, carports and any additions to a dwelling or carport shall be as follows: Dwellings (Including enclosed patio and utility area) $10.00 per 100 sq. ft. or fraction thereof Carport, open patio and separate storage structures $5.00 per 100 sq. ft. or fraction thereof All others shall be based on the scheduled below: -19- Total Valuation Fee Less than $20 No fee $20 to and including $100 $2 More than $100 to and including $400 3 More than $400 to and including $700 5 More than $700 to and including $1,000 0 $6 for the first $1,000 plus $3 for each additional thousand or fraction thereof, to and including $25,000. $78 for the first $25,000 plus $2.50 for each additional thousand or fraction thereof, to and including $50,000. $140.50 for the first $50,000 plus S2 for each additional thousand or fraction thereof, to u.~d including $100,000. $240.50 for the first $100,000 plus $1.50 -for each additional thousand or fraction thereof." Section 5-24. Amending section 402. (a) Section 402 is amended by amending the eighth t t.. paragraph to read as follows: "APPROVED AGENCY is an estaolished and recognized agency regularly engaged in conducting tests when such agency has been approved by the building official." (b) Section 402 is amended by amending the ninth paragrapn to read as follows: "ARCHITECT is a person who is qualified to engage in practice of architecture under chapter 464, Hawaii Revised Statutes." Section 5-25. Amending section 403. (a) Section 403 is amended by amending-the fifth paragraph to read as follows: "BOILER, LOW-PRESSURE HOT WATER AND LOW-PRESSURE STEAM is a boiler furnishing hot ,cater at pressures nut -20- exceeding 160 pounds per square inch and at terhperatures not more than 250° F., or steam at pressures not more than 1~ pounds per square inch. "This shall not include water heater as defined in this chapter." (b) Section 403 is amended by amending the seventh paragraph to read as follows: "BUILDING is any structure built for the support, shelter or enclosure of persons, animals, chaff=ls or ar~pert,• of any kind. The term includes, but is not limited to, any structure mounted on wheels or otherwise, such as a trailer, .wagon or powered vehicle, which is parked and stationary and used for business or living purposes; provided that the ter;- i does not include a mobile trailer, push cart, wagon, or pocaered vehicle which is used exclusively for the purpose of selling any commercial product and which actually travels on public or private streets." (c) Section 403 is amended by amending the eighth paragraph to cead as follows: "BUILDING, EXISTING, is a building for which a legal building permit has been issued, or one which complied with the building code in effect at the time the building was erected." (d) Section 403 is amended by amending the last paragraph to read as follows: "BUILDING OFFICIAL is the chief engineer of the County department of public works or the chief engineer's ~--' authorized deputy." -21-. Section 5-26. Amending section 404. (a) Section 404 is amended by adding the term "CARPORT" before the definition "CAST STONE" to read as follows: "CARPORT is a private garage which is at least one hundred percent open on one side and with fifty percent net openings on another side or which is provide3 with an equivalent of such openings on two or more sides. The fifty percent net openings may be reduced to not less than twenty-five percent with the approval of the buil3ing official." (b) Section 404 is amended by amending the definition o`_ "CITY" to read as follows: "CI'PY means the County of Hawaii." (c) Section 404 is amended by adding a new paragraph !' after the 3efinition of "CITY" to read as follows: "CITY COUNCIL means the County Council." Section 5-27. Amending section 406. Section 406 is amende3 by adding a paragraph before "EXIS'PING BUILDIPJGS" to read as follows: "ENGINEER means a person who is qualified to engage in the practice of professional engineering under the chapter 464, Hawaii Revised Statutes." Section 5-28. Amending section 407. (a) Section 407 is amended by amending the first paragraph to read as follows: "FAMILY means the same as the definition for 'family' in chapter 25 of the County code." -22- (b) Section 407 is amended by adding a paragraph before the definition of "FIRE CODE" to rea3 as follows: "FIRE CHIEF and FIRE OFFICIAL may be use3 synonymously and means the chief of the fire department of the ~~ County or the chief's regularly authorized deputy. Section 5-29. Amending section 417. Section 417 is amended by amending the definition of "PLATFORLK, ENCLOSED" to rea3 as follows: "PLATFOtZd, ENCLOSED, is a partially enclose3 portion of an assembly room more than one thousan3 square feet in area (including 3ressing rooms, toilet facilities and storage rooms) and the ceiling of which is not more than five feet above the proscenium opening an3 which is 3esi3ned or used for the j' presentation of plays, demonstrations, or other entertainment r, wherein scenery, drops, decorations, or other effects may be installed or used." Section 5-30. Amending section 420. Section 420 is amended by adding a paragraph before the definition of "STORY" to rea3 as follows: "STATE means the State of Hawaii." Section 5-31. Amending section 504(a). Section S04(a) is amended to read as follows: "(a) General. Buildings shall adjoin or have access to a public space, yard, or street on not less than one side. Required yards shall be permanently maintained. -23- "For the purpose of this section, the center line of an adjoining street or alley shall be considered an adjacent property line, and the center line of an adjoining private right-of-way not less than ten feet in width shall be considered an adjacent property line if the owner of the premises for which the buil3ing permit application is filed owns a portion thereof. With the exception of an arcade, bridge or ramp used for thoroughfare purposes only, such private right-of-way shall be unobstructed from the ground to the sky and permanently maintained as such. "Eaves over required windows shall not be less than thirty inches from side and rear property lines. For eaves, see section 1710. "~Qo buil3ing or structure or any portion thereof shall be located on or over a property line except an arcade, bridge or ramp used for thoroughfare purposes only, or as otherwise permitted in this code and in chapter 25 of the County code." Section 5-32. Amending section 504(b). Section 504(b) is amended by adding an exception after the first paragraph to read as follows: "EXCEPTION: Lot lines established within a joint development under chapter 25 of the County code and boundary lines established for condominium ownership purpose only shall not be considered as property lines for the purpose of this section." -24- Section 5-33. Amending section 510. Section 510 is amended to read as follows: "Section 510. Floors and Walls. Toilet room floors shall have a smooth, hard, nonabsorbent surface such as nortland cement concrete, ceramic the or other approved material which extends upward onto the walls at least five inches. Walls within water closet compartments and walls within two feet of the front and sides of urinals shall be similarly finishe3 to a height of four feet and, exceut for structural elements, the materials use3 in such walls shall be of a type which is not adversely affected by moisture. "EXCEPTIONS: 1. Dwelling units. "2. Private toilets for an office, shop or room that is not accessible to the general public an3 3oes not =_xcee3 an occupant loa3 of three. "In all occupancies, accessories such as grab bars, towel bars, paper 3ispensers and soap dishes, etc., provide3 on or within walls, shall be installed and sealed to protect structural elements' from moisture. "Showers in all occupancies shall be finished as specified above to a height of not less than seventy inches above the drain inlet. Materials other than structural elements used in such walls shall be of a type which is not adversely affected by moisture. "Built-up shower receptors shall conform to chapter 13 (Plumbing) of the County code." ~~ -25- Section 5-34. Amending section 511(b). Section 511(b) is amended by adding exceptions to read as follows: "EXCEPTIOLIS: 1. Group R, Division 1 hotel rooms exempted by section 1213. "2. Where access by means of ramp or elevator is not required by Table 33-A." Section 5-35. ?amending section 511(c). Section 511(c) is amended to read as follows: "Section 511(c). Where water fountains are provi~e3 on any floor where access by the physically handicapped is required by Table No. 33-A, at least one on that floor shall have a spout within 33 inches of the floor an3 shall 'nave up-front, hand-operated controls. When fountains are located in an alcove, the alcove shall not be less than 32 inches in ~' width." Section 5-36. Amending section 511(d). Section 511(3) is amended to read as follows: "Section 511(d). Where public telephones are provided on any floor where access by the physically handicapped is required by Table No. 33-A, at least one on that floor shall be installed so that the headset, dial and coin receiver are within 54 inches of the floor. Unobstructed access within 12 inches of the telephone shall be provided. Such access shall be not less than 30 inches in width." \,:,,. - 2 6- Section 5-37. Amending section 513. Section 513 is amended to read as follows: "Section 513. Premises Identification. "(a) Minimum Vertical Clearance. There shall be a minimum vertical clearance of not less than 30 inches between the cooking top of oil, gas and electric ranges and the underside of cabinets or shelving above such ranges. "EXCEPTIONS: 1. If the underside of such cabinets or shelving is protected with a metal ventilating hood or asbestos millboar3 at least 1/4-inch thick covered with sheet metal of not less than No. 28 U.S. gauge, .stainless steel of .s thickness not less than .015 inch, aluminum of a thickness not less than .024 inch or copper of a thickness not less than .020 inch, the minimum vertical clearance shall be not less than 24 inches. "2. If the underside of such cabinets. or shelving is protecte3 with No. 28 gauge sheet metal spaced out one inch; or 1/4-inch asbestos millboard on one-inch mineral wool batts reinforced with wire mesh or equivalent; or No. 22 gauge sheet metal on one-inch mineral wool batts reinforced with wire or equivalent, the minimum vertical clearance shall be not less than 18 inches. This protection shall extend 12 inches beyond the sides of the range or hot plate. Spacers shall be of noncombustible material. °27- "(b) Minimum Horizontal Clearance. The minimum horizontal clearance from the burner hea3(s) of a top (or surface) cooking unit to combustible walls extending above the cooking surface shall be not less than 12 inches. "EXCEPTION: Wa11s of combustible materials to be installed within 12 inches of a cooking unit shall be provided with protection equivalent to 1/2-inch gypsum wallboar3 covered with laminated plastic. "(c) Surface r^inish. vThere alternate materials other than as specified in exceptions 1 and 2 of section 513(x) and the exception to section 513(b) are used as approved by the building official, the surfaces of such materials shall have a smooth and nonabsorbent finish." Section 5-38. Adding section 514. Section 514 is added to read as follows: "Section 514. Ceiling Height. ~Kinimum ceiling heights in all occupancies customarily used by human baings shall be as specified in Part III; provided that where no minimum height is specified, the ceiling height shall be not less than 7 feet. Projections below the ceiling may be permitted provided the clearance is not less than 6 feet 6 inches." -28- Section 5-39. Adding section 515. Section 515 is added to read as follows: "Section 515. Common Boundary «alls. Common boundary walls may be permitted upon submission of a written agreement between the owners of the properties involved for the construction of the wall, provided the construction is not in conflict with other applicable laws and ordinances. "The minimum requirements for construction of common boundary walls shall be as follows: "(1) The wall shall be of four-hour fire resistive rating, shall have no openings, and shall extend a minimum of four feet beyond the exterior wall or to the outer edges of horizontal projecting elements such as balconies, roof ! overhangs, canopies, marquees, or architectural projections. "(2) there the exterior wall at the termination of the common boundary wall borders a street right-of-way, the exterior wall adjacent to the common boundary wall shall be not less than four-hour fire resistive construction for a distance of two feet on each side of the common boundary wall. "(3) The wall shall extend from the foundation to a point thirty inches above the roof and where the wall separates buildings of different heights, the wall shall terminate at a point thirty inches above the higher roof level. "(4) The wall shall be designed to support all loads superimposed upon it as required by Part VI - Engineering Regulations - 4uality and Design of the Materials of Construction." -29- Section 5-40 amended as follows: Amending Table No. 5-A. Table No. 5-A is (a) In Group A-3 Occupancy and Group B-2 Occupancy, the entry under the column "Fire Resistance of Exterior Walls" is amended to read as follows: "2 hours less than 5 feet, 1 hour less than 10 feet." (b) 'The 3escriptions for Group M Occupancies are amended to read as fo1la~JS: "1 - Private garages, carports, sheds, agricultural buildings, greenhouses and lath houses. "2 - Fences aad ret_sining walls over o feet hi3h, swimming pools, tanks, an3 towers. "3 - Agricultural ouildings and structures morn than 1,000 square feet in area, including buildings for storage, livestock and poultry; milking barns; shade and horticultural structures." (c) Footnote 2 is amended to rea3 as follows: "2For agricultural buildings, see also section 1108." Section 5-41. Amending Table No. 5-B. Table No. 5-B is amended by amending footnote 2 to read as follows: "2For agricultural buildings, see also section 1108." -30- Section 5-42. Amending Table No. 5-C. Table C7o. 5-C is amended by amending footnote 4 to rea3 as follows: "For agricultural buildings, see also section 1108." Section 5-43. Amending Table No. 5-D. Table No. 5-D is amended by amending footnote 4 to read as follows: "4For agricultural buildings, see also section 1108." Section 5-44. Amending section o05. (a) Section 605 is amended by amending the first paragraph to read as follows: "Section 605. Light, Ventilation and Sanitation. ~o, All buildings or any portion thereof shall be provided with light, ventilation and toilet facilities as specifie3 in the 'administrative rules of the State department of health."' (b) Section 605 is amended by deleting the secon3 paragraph. (c) Section 605 is amended by amending the fifth paragraph to read as follows: "Division 2.1 or Division 3 Occupancies used for educational purposes and not classed as a Group E or Group B, Division 2 Occupancy shall be provided with toilet facilities for each sex and at least one drinking fountain on each floor. "EXCEPTION: Portable classroom buildings." ~. -' -31- Section 5-45. Amending section 702(a). Section 702(a) is amended by amending the second paragraph to read as follows: "Other provisions of this code notwithstanding, a parking garage (Group B, Division 1 or Division 3 Occupancy) located in the basement or first story of a building housing a Group B, Division 2 or a Group R, Division 1 Occupancy may be classed as a separate and 3istinct building for the purpose of area limitation, limitation of number of stories and type of construction, when all of the following conditions are met: "1. The Group B, Division 1 or Division 3 Occupancy is of Type I construction. "2. There is a three-hour occupancy separation between Group 3, Division 1 or Division 3 Occupancy an3 all !~ portions of the 3roup B, Division 2 or 3roup R, Division 1 Occupancy. "3. .The basement or first story is restricted to the storage of passenger vehicles (having a capacity of not more than nine persons per vehicle), but may contain laundry rooms and mechanical equipment rooms incidental to the operation of the building. "4. The maximum building hei3ht in feet shall not exceed the limits set forth in Table No. 5-D for the least type of construction involved." -32- Section 5-46. Amending section 705. Section 705 is f °' amended to rea3 as follows: "Section 705. Light, Ventilation and Sanitation. (a) General. All buildings or any portion thereof shall be provided with light, ventilation and toilet facilities as specified in the 'administrative rules of the State 3epartment of health.' "(b) Special Provisions. Any shopping malls and shopping centers with a total floor space of 50,000 sauare `_ae*_ or more available to the public for retail sales shall pro vi 3e public restroom facilities for both sexes." Section 5-47. Amending section 709(b). Section 709(0) is amended by amending the exception after the first paragraph to rea3 as follows: 4 "EXCEPTIONS: 1. The grade-level tier may ^_ontain an office, waiting and toilet room having a total area of not more than 1,000 square feet and such area need not be separated from the open parking garage. "2. In buildings housing Groups A-2, A-2.1, A-3 and A-4; B; and R-1 Occupancies, open parking garages are permitted when all of the following conditions are met: "A. The garage portion of the buil3ing is of Type I construction. "B. There is a three-hour occupancy separation ~..i between the open parking garage and all portions of Groups A-2, A-2. 1, A-3 and A-4; Group B; or Group R-1 Occupancies." -33- Section 5-48. Amending section 709(d). Section 709(d) is amended by adding an exception after the thir3 paragraph to read as follows: "EXCEPTION: Projections below the ceiling may be permitted provided the clearance is not less than 6 feet 6 inches." Section 5-49. Amending section 709(k). Section 709(k) is amend e3 to rea3 as follows: "(k) 'Jentilation. Ventilation shall complq with the requirements as specified in the 'administrative rules of the State department of health."' Section ~-50. Amending Table Ldo. 7-3. Tao1e vo. 7-3 is amended by changing 20' to 10' in the first column. Section 5-51. Amending section 802(c). Section 802(c) is , ~.. amended by adding an exception to the first paragraph to read as follows: "EXCEPTION: In a building of Type I, II-F.R., III One-Hour, IV-Heavy Timber, II One-Hour or V One-Hour construction, rooms for secon3 grade pupils may be permitted on the second story above grade, provided the building is provide3 with an alarm system that is actuated by detectors conforming to UBC Standard 43-6." -34- Section 5-52. Amending section 802(d). Section 802(3) is i amended by adding an exception after the first paragraph to read as follows: "EXCEPTION: Laboratories, woodworking and metal-working shops, machine shops, paint shops, rooms for storage of flammable materials and similar areas where visual communication is required between such areas and classrooms." Section 5-53. Amending section 805. Section 305 is amended to rea3 as follows: "Section 805. Light, Ventilation and Sanitation. All portions of Group E Occupancies shall be provided with light and ventilation, either natural or artificial, as specified in section 605. "For requirements in schools, 'administrative rules ~.- of the State depart:aent of health' shall be complied with. "There shall be provided toilet facilities for each sex and at least one drinking fountain on each floor for elementary and secondary schools. "EXCEPTION: Portable classroom buildings. "For requirements for floors and walls of toilet compartments, see section 510(b)." Section 5-54. Amending section 809. Section 809 is amended to read as follows: "Section 809. Fire Alarms. Fire alarm systems shall comply with the 'fire code,' chapter 26 of the County code, and be approved by the fire chief." -35- Section 5-55. Amending section 905. Section 905 is r amended to read as follows: "Section 905. Light, Ventilation and Sanitation. All buildings or any portion thereof shall be provided with light, ventilation and toilet facilities as specified in the 'administrative rules of the State department of health.' "For other requirements on water closets, see section 510." Section 5-56. Amending section 1009. Section ':009 is amended to read as follows: "Section 1009. Fire Alarms. Fire alarm systems shall comply with the 'fire code,' chapter 2u of the County code, and be approved by the fire chief." Section 5-57. Amending section 1101. Section 1101 is amended to read as follows: "Section 1101. Group M Occupancies Defined. Group K occupancies shall be: "Division 1. Private garages, carports, sheds, agricultural buildings, greenhouses and lath houses use3 as accessories only when not over 1,000 square feet in area. See Division 3 for larger agricultural buildings. "Division 2. Fences and retaining walls over 6 feet in height, swimming pools, tanks and towers. -36- "Division 3. Agricultural buildings an3 .-. structures more than 1,000 square feet in area, including buildings for storage, livestock and poultry; milking barns; shade and horticultural structures. "For occupancy separations see Table No. 5-B. "For occupant load see section 3302." Section 5-58. Amending section 1102(a). Section 1102(a) is amended by adding an exception to the first paragraph to read as follows: "EXCEPTION: A carport constructed on a hillside may exceed one story in height provided the space below the carpet ~~ floor is unused or use3 for Group M occupancy only. Section 5-59. Amending section 1102(b). Section 1102 0) is amended by aiding a second paragraph to real as follows: ~ "Buil3ings and structures of Group M, Division 1 occupancies for horticultural use with covering of wire screen, cheesecloth or self-extinguishing plastic sheets are not required to conform to the requirements of parts III, IV, V, VII, IX, X and XI of this code." Section 5-60. Amending section 1103. Section 1103 is amended by adding an exception to read as follows: "EXCEPTION: See section 1106 for joint garages or joint carports constructed in conjunction with Group R-3 Occupancies." -37- Section 5-61. Amending section 1104. Section 1104 is amended by aiding an exception to the secon3 paragraph to rea3 as follows: "EXCEPTION: 4lhere a fire separation is not required, a one-story carport may have an opening into a room used for sleeping purposes provided such opening is not a required window." Section 5-62. Amending section 1105. Section 1105 is amended by a33in3 an exception to read as follocus: "EXCEPTION: A carport on a hillside lot :nay have wood floor planking at least 2 inches in nominal thicY.ness laid with at least 1/4-inch spacing between the plinks." Section 5-63. Amending section 1106. Section 1106 is amende3 to read as follows: "Section 1106. Joint Garages or Joint Carports. Joint garages or joint carports may be erecte3 in conjunction with any Group ~-o Occupancy over a common property line between two lots without any fire-resistive protection at the common property line with the mutual consent of the owners thereof, provided that: "(1) Each portion of the joint garage or carport located on each lot shall be structurally independent of the other portion; . ,a -38- "(2) a the joint garage or located on the same fire-resistive wall of the buildings; Where the distance between a portion of joint carport and the nearest building lot is less than o feet, a one-hour without openings shall be provided on one "(3) The floor area of each portion of the joint garage or joint carport located on each lot shall not exceed S00 square feet and such garage or carport shall not exceed one story in height." Section 5-64. Adding section 1108. Section 1108 is added to read as follows: "Section 1108. Agricultural Buildinys. (a) Scope. Tiie provisions of this section shall apply exclusively to ", agricultural buildings. Such buildings shall be classified as Group M, Division 3 occupancies and shall include the following uses: "(1) Storage, livestock and poultry. "(2) Milking barns. "(3) Shade structures. "(4) Horticultural structures (3reenhouses and crop protection). "(b) Construction, Height and Allowable Area. "(1) General. Buildings classe3 as Group M, Division 3 occupancies shall be of one of the types of construction specified in this code and shall not exceed the area or height limits specified in sections 505, 506 and 507 `~ and Table No. 11-A. -39- "(2) Special Provisions. The area of a Group M, Division 3 occupancy in a one-story building shall not be limited if the building is entirely surrounded and adjoine3 by public space, street or yards not less than 60 feet in width, regar3less of the type of construction. "The area of a two-story Group M, Division 3 Occupancy shall not be limited if the building is entirely surrounded and adjoined by public space, streets or yards not less than 60 feet in width an3 is provi3e3 wit'.Z an approved automatic fire-extinguishing system throughout, conforming to U.B.C. Standar3 L7o. 38-1. "3ui13ings using plastics shall comply with Type V-.Q construction. Plastics shall be approved plastics ~ regulated 'oy chapter 52. For foam plastic, see section 1712. i.,. "EXCEPTIONS: 1. When use3 as skylights or roofs, the areas of plastic skylights shall not be limite3. "2. Except where 3esign must consider snow loads, plastic less than 20 mils thick may be used without regar3 to structural considerations. The structural frame of the building, however, shall comply. "Buildings and structures for horticultural use in agricultural districts with covering of wire screen, cheesecloth or self-extinguishing plastic sheets are not required to conform to the requirements of parts III, IV, V, VII, IX, X and XI of this code. L -40- "EXCEPTIONI: When rigid plastic sheets are used all parts of the building shall be properly anchored. "(c) Occupancy Separations. Occupancy separations shall be as specified in section 503 and Table No. 15-B. "(d) Exterior Walls and Openings. Except where Table No. 17-A requires greater protection, exterior walls of agricultural buildings shall be not less than one-hour fire- resistive construction when less than 10 feet from ?rooerty line. "Openings in exterior walls of agricultural f buildings which are less than 10 feet from property line snail be ?rotected by fire assemblies having a fire-protection rating of not less than three-fourths hour. "EXCEPTION: One-story greenhouses and lath houses not exceeding 12,000 square feet in floor area located not less than 5 feet from interior property lines may be constructe3 without fire-resistive exterior walls. "(e) Exit Facilities. Exit facilities shall be as specifie3 in chapter 33. "EXCEPTIONS: 1. The maximum 3istance of travel from any point in the building to an exterior exit door, horizontal exit, exit passageway or an enclosed stairway shall not exceed 200 feet. "2. One exit is required for each 15,000 square feet of floor area and fraction thereof. "3. Exit openings shall be not less than 2 feet 6 inches by 6 feet 8 inches. -41- f"'` Section 5-65. Adding Table No. 11-A. Table No. 11-A is added to read as follows: "^t ABLE NO. 11-A - BASIC ALLOWABLE AREA FOR A GROUP K, DIVISION 3 OCCUPANCY, ONE STORY IN HEIGHT AND MAXIMUM HEIGHT OF SUCH OCCUPANCY ~ I ! 1-Hour ~ I i ~ F-R 1-Hour N i or III-N 1-Hour i ! IV N ALIIJ:4ABLE AREAL \_ Unlimited 60, 000 27, 100 18, 000 I 27, 100 18, 000 21, 100 i2, 0001 MAXIMUM HEIGHT IN STORIE52 Unlimited 12 I 4 I 2 I 4 ~ 2 l 3 2 i LSee section 1108(b), for unlimited area under certain conditions. 2F Or maximum height in feet, see Table i7o. 5-D. Section 5-66. Adding Table No. 11-B. Tabl_ No. 11-B is adde'_ to read as follows: "TABLE NO. 11-B - REQUIRED SEPARATIONS BET',QEEN GROUP K, DIVISION 3 AND OTHER OCCUPANCIES (In Hours) l.~ (Occupancy A I E I H B-1 B-2 B-3 B-4 R-1 R-3 I.d Rating T4 4 4~ 4 r 4 I 1 I 1 I 1 I 1 1 I N Section 5-67. Amending section 1202(b). Section 1202(0) is amended by amending the fourth paragraph to read as follows: "For Group R, Division 3 Occupancies with a Group B, Division 1 or Division 3 parking garage in the basement or first .floor, see section 702(x)." -42- Section 5-68. Amending section 1203. ~,..,. Section 1203 is amended to rea3 as follows: "Section 1203. For fire-resistive protection of exterior walls and openings, as determined by location on property, see section 504 and part IV. "EXCEPTION: In residential, multi-family, and hotel zones, openings in exterior walls of buil3ings of Types I, II-F.R., III or IV-H.T. construction and housing 3roup R-1 Occupancies which are 10 feet or more but less than 20 feet from the adjacent interior property line shall only be required to have windows or doors constructed of approved noncombustible material, but any glass used for windows and 3oors shall be wire glass of a minimum thickness of 1/4-inch, except where the buil3ing is so designed to prevent the glass l_. from falling below the story on which it is installed ,• provided that this exception shall not apply to opening protection of exterior exit balconies an3 as a waiver of the requirements of section 3306(1) of this code, relating to stairways." Section 5-69. Amending section 1204. Section 1204 is amended by adding an exception to the third paragraph to read as follows: "EXCEPTION: Glass jalousie bladed. windows may be ~r used for emergency escape or rescue." -43- Section 5-70. Amending section 1205. Section 1205 is amended to read as follows: "Section 1205. Light, Ventilation and Sanitation. Light, ventilation and sanitation requirements shall be as specified in chapter 11 (Housing) of the County code. "For requirements for floors and walls of toilet compartments, see section 510." Section 5-71. Amending section 1206. Section 1206 is amended to rea3 as follows: "Section 1206. Yards and Courts. Requirements for yards and courts shall be-as specified in the chapter 11 (Housing) and chapter 25 (Zoning) of the County code." Section 5-72. Amending section 1207. Section 1207 is amended to read as follows: "Section 1207. Room Dimensions. Requirements for minimum ceiling heights, floor areas and widths of rooms shall be as specified in chapter 11 (Housing) of the County code." Section 5-73. Amending section 1208. Section 1208 is amended to read as follows: "Section 1208. Efficiency Dwelling Units. Efficiency dwelling units shall conform to the requirements of chapter 11 (Housing) of the County code." ~> -44- Section 5-74. Amending section 1210(x). The third paragraph of section 1210(x) is amended to rea3 as follows: "Required smoke detectors shall receive their primary power from the building wiring when such wiring is served from a commercial source. firing shall be permanent and without a disconnecting switch other than those required for overcurrent protection. "EXCEPTIO:1: Smoke detectors may be battery operated when installed in existing Group R, Division 3 Occupancy buil3ings." Section 5-75. Deleting section 1211. Section 1211 is delete3. Section 5-76. Amendiny section 1213. Section 1213 is amende3 to read as follows: "Section 1213. Access to Buildings and Facilities. Buildings containing more than 20 3welliny units or 20 guest rooms shall be accessible to the physically handicapped by a level entry, ramp or elevator. The number of Swelling units or guest rooms accessible to the physically handicapped shall be not less than the following: Dwelling Units: one for each 50 units or fraction thereof Guest Rooms one for each 50 units or up to 200: fraction thereof over 200: four, plus one for each additional 25 units or fraction thereof over 200 -45- "To determine the total number of accessible units, more than one structure on a building site shall be considered as one building. Habitable rooms, bathrooms, toilet compartments, halls and utility rooms in units that are required to be accessible to the physically handicapped shall be accessible by level floors, ramps or elevators, and doorways to such rooms shall have a clear unobstructe3 width of not less than 32 inches. "Toilet facilities in accessible units shall comply with sections 510 and 511." Section 5-77. Amending section 1214. Section 1214 is amended to read as follows: "Section 1214. Modifications, where a carport is separated from a Swelling by walls only, a fire separation is not required between the carport and the dwelling. "where a garage is constructed over any portion of a dwelling, the floor of the garage shall be of noncombustible one-hour fire-resistive construction." Section 5-7B. Adding section 1215. Section 1215 is added to read as follows: "Section 1215. Existing Buildings. (a) Purpose. The purpose of this section is to provide a reasonable degree of safety to persons occupying existing Group R, Division 1 buildings that do not conform with the minimum requirements of this code by requiring alterations to such existing buildings. -46- "(b) Scope.• The provisions of this section shall apply exclusively to existing nonconforming Group R, Division 1 Occupancies more than 2 stories in height. "(c) Stair Construction. All stairs shall have a minimum run of 9 inches and a maximum rise of 8 inches and a minimum width of 30 inches exclusive of handrails. Every stairway shall have at least one handrail. A landing having a minimum 30-inch run in the 3irection of travel shall be provided at each point of access to the stairway. "(d) Exterior Stairways. Exterior stairs shall oe of noncombustible construction or of wood of not less than two-inch nominal thickness with soli3 treads and risers. "(e) Doors an3 Openings: Exit doors shall meet the requirements of sections 3304(b), (c), (e) and 3305(h)1. Doors shall not reduce the required width of stairways more than (7) inches when open. Transoms, and openings other than doors, from corridors to rooms shall be fixed closed and shall be covered with a mininum of 3/4-inch plywood or 1/2-inch gypsum wallboard or equivalent material on the room side. "EXCEPTIONS: 1. Existing solid-bonded wood core doors 1 3/8 inches thick or their equivalent may be continued in use. "2. Where the existing frame will not accommodate a door complying with section 3304(h), a 1 3/8-inch thick solid-bonded wood core door may be used. '~ -47- "(f) Separation of Occupancies. Occupancy separations shall be provided as specified in section 503 of this code. When approved by the building official, existing wood lath and plaster in good condition or 1/2-inch gypsum wallboard may be acceptable where one-hour occupancy separations are required." Section 5-79. Amending section 1706(a). Section 1706(a) is amended by amending Exception No. 2 to read as follows: "2. In buil3ings housing Groups A-2, A-2. 1, A-3, A-4, B or R-1 occupancies, enclosures shall not be required for escalators or for ramps used solely for vehicular passage, provi3ed the following conditions are met: "A. The top of the escalator or ramp opening at r' each story is provided with a draft curtain and automatic fire sprinklers are installed around the perimeter of the opening within 2 feet of the draft curtain. The draft curtain shall enclose the perimeter of the unenclosed opening and exten3 from the ceiling downward at least 12 inches on all sides. The spacing between sprinklers shall not exceed 6 feet. "B. All floors with escalator or ramp openings are equipped with automatic sprinkler systems. "C. There is provided a three-hour fire-resistive separation from floors not equipped with automatic sprinkler systems. "D. In mixed occupancies housing Groups A-2, A-2.1, A-3, A-4 or R-1 Occupancies, the entire building is of Type I construction." -48- Section 5-80. Amending section 1710. Section 1710 is ~°' amende3 by amending the second paragraph to read as follows: "Projections from walls of Type I or II construction shall be of noncombustible materials, provided that for awnings projecting into yard space fronting directly on a street, the provisions of section 4506(b) may be used." Section 5-81. Amending section 1711. Section 1711 is amended to read as follows: "Section 1711. Guardrails. A11 unenclosad floor and roof openings, open and glazed sides of landings and ramps, balconies or porches which are more than 30.inches above 3rade or floor below, and roofs used for other than service of the building shall be protected by a guardrail. Guardrails shall be not less than 42 inches in height. Open guardrails and stair railings shall have intermediate zails or an ornamental pattern such that no object 9 inches in diameter can pass through; provide3 that the 3imensions shall be such that no object 5 inches in diameter can pass through for the following occupancies: . "(1) Group R, Divisions 1 and 3 Occupancias. "(2) Group E, Division 3 Occupancies used for day care purposes. "(3) Group I, Division 1 Occupancies use3 for nurseries for chil3ren under kindergarten age. "(4) Group A, Divisions 1, 2, 2.1 and 3 Occupancies. -49- "The height of stair railings on open sides may be as specified in section 3306(j) in lieu of providing a 3uardrail. Ramps shall, in addition, have handrails when required by section 3307. "EXCEPTIONS: 1. Guardrails need not be provided on the loading side of loading docks. + "2. Guardrails for Group R, Division 3 and Group M, Division 1 Occupancies may be 36 inches in height. "3, Interior guardrails within individual dwelling units or guest rooms of Group R, Division L Occupancies may be 36 inches in hei3ht. "4. The open space between the intermediate rails or ornamental pattern of 3uardrails in areas of ' commercial- and industrial-type occupancies which are not accessible to the public may be increased such that a 12-inch diameter sphere cannot pass through. "5. Guardrails on a balcony immediately in front of the front row of fixed seats and which are not at the en3 of an aisle may be 26 inches in hei3ht. "Openings or portions of openings in exterior walls which are less than 30 inches above a floor shall be provided with at least one rail between 30 inches and 36 inches above the floor when such openings are on floors above the first floor and are not provided with structurally adequate safety glass installations or other barriers to prevent a person from falling through the openings. ~~ -50- "In Group R, Division 1 Occupancy apartment buildings an3 Division 3 Occupancy dwellings, openable windows or portions of openable windows which are less than 36 inches above the floor, when such windows are on floors located above the first floor, shall be provided with guardrails as specified in this section. Guardrails are not required where such windows are provided with securely installed 'insect' screen or other equal or better barriers to young children falling through such openings." Section 5-82. Amending section 1713. Section 1713 is amende3 to read as follows: "Section 1713. Insulation. (a) General. Thermal and acoustical insulation located on or within floor-ceiling and roof-ceiling assemblies, crawl spaces, ducts, plenums, walls and partitions, and insulation on pipes and tubing shall comply with this section. "EXCEPTION: Roof insulation shall comply with section 3204. "(b) Insulation and Covering on Pi~oe and 'Pubing. Insulation and covering on pipe and tubing shall have a flame-spread rating not to exceed 25 and a smoke density not to exceed 50 when teste3 in accordance with U.B.C. Standard No. 42-1. "EXCEPTION: Installation in Groups R-3 and M Occupancies. -51- "(c) Insulation within Floor-Ceiling Assemblies, Roof-Ceiling Assemblies, Walls, Crawl Spaces or Attics. A11 insulation materials including facings, such as vapor barriers or breather papers installed within floor-ceiling assemblies, roof-ceiling assemblies, walls, crawl spaces or attics shall have a flame-spread rating not to exceed 25 and a smoke density not to exceed 450 when tested in accordance with U.B.C. Standard i1o. 42-1. "EXCEPTIONS:- 1. Foam plastic insulation shall comply with section 1712. "2. When such materials are insta11e3 in concealed spaces of Types III, IV and V construction, the flame-spread and smoke-develope3 limitations 3o not apply to facings, provided that the facing is installed in substantial contact with the unexposed surface of the ceiling, floor or wall fnnish. "(d) Insulation on or Within Ducts and Plenums. For the purpose of this section, DUCT is any tube or conduit for transmission of air. This definition shall not include: "(1) A vent, a vent connector or a chimney connector. "(2) Any tube or conduit wherein the pressure of the air exceeds one pound per square inch. "(3) The air passages of listed self-contained systems. ~~ -52- "Only approved materials shall be installed within ducts and plenums for insulating, sound deadening or other purposes. All such materials shall have a mold-, humidity- and erosion-resistant face that has met the requirements of J.M.C. Standard No. 10-1. Duct liners in systems operating at velocities in excess of 2000 feet per minute shall be fastened with both adhesive and mechanical fasteners, and all exposed edges shall have adequate treatment to withstand the operating velocity. "Insulation applied to the exterior surface of 3ucts located in buil3ings shall have a flame spread of not more than 25 an3 a smoke-developed rating of not more than 50 when tested as a composite installation, including insulation, facing materials, tapes and adhesives as normally applied. "EXCEPTION; Insulation having a flame-spread rating of not over 50 and a smoke-developed rating of not over 100 may be installed in dwellings where the duct system serves not more than one dwelling unit. "Faced insulations intended for installation on the exterior of ducts shall be legibly printed with the name of the manufacturer, nominal thickness of insulation and the flame- spread and smoke-developed ratings of the composite material." -53- Section 5-83. Amending section 1716. (a) Section 1716 is amended by adding an exception to Item No. 1 to read as follows: "EXCEPTIOLQ: In buildings of Type II-N construction, mezzanine floors, including supporting beams, girders and columns, may be of Type V one-hour fire-resistive construction." (b) Section 1716 is amended by amending item no. 5 to read as follows: "5. Two exits shall be provided from a mezzanine when two exits are required by Table No. 33-A or when the area of the mezzanine exceeds 2,000 square feet, whichever is the more restrictive." Section 5-84. Amending section 1807. Section 1807 is amended to read as follows: "Section 1807. Special Provisions for Group R-1 Occupancies an3 Group B, Division 2 Office Buildings. "(a) Scope. These requirements apply to buildings housing Gzoup B, Division 2 Occupancies used as offices and to buildings housing Group R-1 Occupancies. "Such buildings having floors used for human occupancy located more than 75 feet above the highest grade shall conform to the special requirement of this section in addition to other applicable requirements of this code. -54- "(b) Automatic Sprinkler System. Automatic ~^ sprinkler system shall be provided throughout the buil3iny. The sprinkler system shall be 3esigned using the parameters set forth in U.B.C. Standard No. 38-1 and the following: "1. Shutoff valves and a water flow device shall be provided for each floor. "2. Fire pumps shall be approved or listed for fire service by a nationally recognized independent testing agency. "EXCEPTION: Fire pumps of 250 gpm or less need not be liste3 for fire service but shall be approved by the fire chief. "(c) Fire Alarm. A manual or automatic fire alarm system shall be provide3 an3 approved by the Fire Chief. "(d) Smoke Detection Systems. At least one approved smoke detector suitable for the intended use shall be installe3: "L. In every mechanical equipment, electrical, transformer, telephone equipment, elevator machine or similar room and in every interior exit corridor of a hotel building. "2. In the main return and exhaust air plenum of each air-conditioning system and located in a serviceable area downstream of the last duct inlet. -55- "3. At each connection to a vertical duct or ~~ riser serving two or more stories from a return-air duct or plenum of an air-conditioning system. In Group R, Division 1 Occupancies, an approved smoke detector may be used in each return-air riser carrying not more than 5000 cfm and serving not more than 10 air inlet openings. "Smoke detection system conforming to the provisions of chapter 4 of [dFPA Standard 90A will be accepted in lieu of the above, provided all detectors are apnrove3 smoke 3etectors and not thermostatic devices. "Every smoke detection system shall be connected to an annunciator and to the fire alarm system un3er subsection (c) above and shall place into operation all ~J equipment necessary to prevent the recirculation of smoke. "(e) Central Control Alarm and Communication Panel. The central control panel for use by the fire department shall be installe3 in a location approved by the fire department and shall contain: "1. The alarm and public address system panels. "2. The fire department closed communication system. "3. Fire detection and alarm system annunciator panels. "4. Status indicator and Phase I fireman's control for elevators. -56- "5. Controls for unlocking all stairway doors simultaneously when alarm is sounded (if applicable). "6. Zoned sprinkler valve and water-flow detector display panel. (f) Alarm and Communications System. The alarm and communications system shall be designed and installed so that damage to any terminal unit or speaker will not render more than one zone of the system inoperative. "The following communication systems shall be provide3: °'1. Alarm System. The operation of any sprinkler, water flow 3evice or manual fire alarm station shall automatically sound an alert to the designated areas. "The central control panel shall contain ~- controls for the alarm system so that a selective (on a floor by floor basis) or general alarm may be manually initiated. "The alarm shall be designed to be heard by all occupants within the building or designated portions thereof as is required for the public address system. "The system shall be supervised to cause the activation of an audible trouble signal in the central control panel upon interruption or failure of the audio path including amplifiers, speaker wiring, switches and electrical contacts and shall detect open shorts and grounds which might impair the function of the system. ~~ -57- "2. Public Address System. A public address /" communications system 3esigned to be clearly heard by all occupants of the building, on a general or selective basis, with speakers located in the following areas: "A. Elevators. "B. Elevator lobbies. "C. Public restrooms. "D. Corridors. "E. Exit stairways. "F. Tenant occupied spaces. "G. Dwelling units in apartment houses. "H. Hotel guest rooms or suites. "3. Fire Department (Closed) Communications System. Two-way fire department closed communication lines consisting of jack or plug receptacles at indicated locations shall be provided for fire department use. A jack or plug shall be located at: "A. The central alarm and communication panel or other central location approved by the fire department. "B. The designated fireman's elevator. "C. Each elevator lobby on each floor of the building. "D. Stairwell side of each exit into each stairway. ._,~ -58- "The alarm system and the public address system /" may be a combined system. The fire department communications system may be combined with the alarm system and the public address system when they are an approved system. "(g) Smoke Control. Natural or mechanical ventilation for the removal of products of combustion shall be provided in every story an3 shall consist of one of the following: "1. Panels or windows in the exterior walls i which can be opened remotely from an approved location other than the fire floor. Such venting facilities shall be provided at the rate of 20 square feet per 50 lineal feet of exterior wall in each story and shall be distributed around the perimeter at not more than 50-foot intervals. Such windo•.as or panels and their controls shall be clearly identified. "EXCEPTION: When a complete automatic sprinkler system is installed, windows or panels manually openable from within the fire floor or approved fixed tempered glass may be used in lieu of the remotely operated openable panels and windows. Such windows shall be clearly identified and shall be of the size and spacing called for in section 1807(g)1. -59- "2. When a complete and approved automatic sprinkler system is installed, the mechancial air-handling equipment may be 3esigned to accomplish smoke removal. Under fire conditions, the return and exhaust air shall be moved directly to the outside without recirculation to other sections of the building. The air-handling system shall provide a minimum of one exhaust air change each 10 minutes for the area involved. "3. Any other approved 3esign which will produce equivalent results. "(h) Standby Power and Light Systems. An aporoved permanently installed standby power-generating system shall be provided. The system shall be equipped with suitable means for automatically starting the generator set upon failure of the I` normal electrical supply systems and for automatic transfer and operation of all the required electrical functions at full power within 30 seconds of such normal service failure. An on-premise fuel supply sufficient for not less than 2 hours full demand operation of the system shall be provided. Shou13 the standby power unit become inoperable at any time due to breakdown of equipment and cannot be repaired immediately, a portable emergency power unit shall be insta11e3 to take its place until the equipment is repaired and in operable condition. "The building official may approve other reliable sources of energy to power the standby power-generating system. `~.s' -60- "All power, lighting and signal facilities provided under the requirements of this section shall be transferable to the standby power system. The power requirement shall be determined so as to provide service to, but not limited to the following: "1. Fire alarm system. "2. Exit and other emergency lighting. "3. Fire protection equipment. "4. Mechanical ventilation required by this section an3/or section 3310(8). "5. Elevator designated for fire service. "6. Electrically operated exit locks. "The standby power-generating system shall be teste3 regularly as required by the fire chief. ~~ "(i) Exits. "All stairway doors which are to be locked to prevent entry from the stairway side shall have electric strikes which will be automatically unlocked without unlatching upon actuation of the fire alarm system or in the event of power failure. Controls for electric strikes may be provided with manual override of the automatic system. "(j) Reductions from Code. When a complete approved automatic sprinkler system complying with this section is installed in a building, the following modifications of code requirements are permitted: -61- "1. The fire-resistive time periods set forth ~ in Table No. 17-A may be reduced by one hour for interior bearing walls, exterior bearing and nonbearing walls, roofs and the beams supporting roofs, provided they do not frame into columns. Vertical shafts other than stairway enclosures and elevator shafts may be reduced to one hour when sprinklers are installed within the shafts at alternate floors. "2. Except for corridors in Group R, Division 1 Occupancies and partitions separating dwelling units or guest rooms, all interior nonbearing partitions required to be one- hour fire-resistive construction by Table i7o. 17-A may be of noncombustible construction without fire-resistive time period; provided doozs in such walls forming corridors shall be tight- / fitting and maintained self-closing or shall be automatic C _. closing in accordance with section 4306(b)(2). "3. Fixed tempered glass may be used in lieu of openable panels for smoke control purposes. "4. Travel distance from the most remote point in the floor area to a horizontal exit or to an enclosed stairway may be 300 feet. "5. Fire dampers, other than those needed to protect floor-ceiling assemblies to maintain the fire resistance of the assembly, are not required except for those ~.., -62- which may be necessary to bypass smoke to outside, those provided to convert from recirculated air to 100 percent outside air, and those which may be required to protect the fresh air supply intake against smoke which may be outside the building. "6. Emergency windows required by section 1204 are not required." Section 5-85. Amending section 2106(e). Section 2106(e) is amended to read as follows: "(e) Heavy Timber Floors. Floors shall be Without concealed spaces. Heavy timber constructed floors shall be not less than 3 inches nominal splined or tongued-and-grooved p1anY. or may be of Laminate3 slab construction conforming to the provisions of section 2106(h)." Section 5-86. Deleting section 2304(e). Section 2304(e) is 3eleted. Section 5-87. Amending Table No. 23-C Table No. 23-C is amende3 by amending item 5 in the left hand column to read as follows: "Greenhouses and agricultural buildings, not including lath houses.4" Section 5-88. Amending section 2408(c). Section 2408(c) is amended to read as follows: "(c) Minimum Thickness. Stone masonry walls shall in no case have a minimum thickness of less than 14 inches." -63- Section 5-89. Amending section 2414(a)2. !~ Section 2414(a)2 is amended to read as follows: "2. Only Type M or Type S mortar consisting of portland cement, lime and aggregate shall be used. Admixtures approved by the building official may be added to the mortar." Section 5-90. Amending section 2414(a)8. Section 2414(a)8 is amended to read as follows: "8. 'rThere the grout pour exceeds 8 feet in height, cleanouts shall be provided by suitable openings in the face shells in the bottom course of each cell to be grouted or other approved locations. The cleanouts shall be ~aaled after inspection and before grouting. "When total grout pour exceeds 8 feet in height, ~ the grout shall be placed in 4-foot lifts." Section 5-91. Deleting sections 2414(b) and (c). Sections 2414(b) and (c) are deleted. Section 5-92. Amending Table No. 24-A. Table No. 24-A is amended by adding a superscript "2" after tha word "Masonry" in the table heading, and a footnote is added to read as follows: "2Admixtures approved by the building official may be added to the mortar." Section 5-93. Amending section 2516(c)2. Section 2516 is amended by amending the first paragraph of subsection (c)2 to read as follows: -64- "2. Minimum clearance between bottom of floor joists or bottom of floors without joists and the ground beneath shall be 20 inches; between bottom of girders and the ground shall be 12 inches. "EXCEPTION: Open slat wood decks shall have ground clearance of at least 6 inches for any wood member." Section 5-94. Adding section 2518. Section 2518 is added to read as follows: "Section 2518. Single Wa11 Construction. (a) Wa11s without Studs. For Type V buildings, single wall construction without studs may be used in accordance with this section. "(b) Single Wa11 Construction for One-Story an3 Woon Frame Type V-Ld Buil3ings. One-story and the uppermost story of woo3 frame Type V-N buil3ings may be of single wall construction with boar3 of thicknesses specified in this section, without studs, when requirements of this section are met. Floor to ceiling height shall not exceed eight feet. "When wood frame dwellings are supported by posts, bracing of sufficient strength shall be provided to stabilize the structure against movement from wind pressure or earthquake. "(c) Boards for Single wall Construction. "1. One and One-Eighth. Inch Boards. Single wall construction with boards of one and one-eighth inch net thickness are not required to have girts. -65- "2. One-Inch Boards. idhere single wall /''+ construction is with boards of one-inch net thickness, no girt is required provided approved stiffeners for any section of such wall is spaced not more than ten feet along the wall. "3. Three-Fourths Inch Boards. Single wall construction with boards of three-fourth inch net thickness shall have girts and cross partitions at least every thirty feet. "4. Eleven-Sixteenths Inch Boards. Single wall construction with boards of eleven-sixteenths inch net thickness shall be limited to the following conditions: "(A) the span between load bearing walls shall not exceed twenty-four feet; "(B) the dead load on such walls shall not exceed one hundred fifty pounds per lineal foot; "(C) girts shall be provided; "(D) there shall be approved stiffeners at least every ten feet along such wall; an3 "(E) any openings in the walls for windows and doors shall have full-height jambs or studs where the girt is not continuous. "(d) Approved Stiffeners. Approved stiffeners shalls be studs at least two inches by four inches, full-height window or door jambs, posts, walls or partitions at right angle to the section of wall under consideration. -66- "(e) Girts. Girts for single wall construction ~' shall be not less than two-inches by six-inches belt course or other approved strengthening about midheight between the floor and the ceiling on all exterior walls." Section 5-95. Amending section 2604(1). Section 2604(1) is amended by amending subsection 1 to read as follows: "1. Frequency of Testing. Strength tests may be required by the buil3ing official. When tests are required, samples for strength tests of each class of concrete shall be taken not less than once a Say, nor less than once for each 150 cubic yards of concrete, nor less than once for each 5,,000 square feet of surface area placed. Each strength test result shall be the average of two cylinders from the same sample tested at 28 days or the specified earlier age. "When the frequency of testing prescribe3 herein will provide less than five tests for a given class of concrete, tests shall be made from at least five randomly selected batches or from each batch if fewer than five are used." Section 5-96. Amending section 2901. Section 2901 is amended by amending the second paragraph to read as follows: "Reference is made to chapter 10 of the County code for requirements governing excavation, grading and earthwork construction, including fills and embankments." -6 7- Section 5-97. Amending section 2903(a). Section 2903(a) _„ is amended by amending the fifth paragraph to read as follows: "Fills to be used to support the foundations of any building or structure shall be placed in accordance with 'accepted engineering practice. A soil investigation report and a report of satisfactory placement of fill may be required by the building official." Section 5-98. Deleting section 2904(b). Section 2904(b) is deleted. Section 5-99. Amending section 2908(b). Section 2908(b) is amended to read as follows: "(b) Determination of Allowable Loads. The allowable axial and lateral loads on piles shall be determined by an approved formula, by load tests or by a foundation investigation. "A static load test shall be made on. at least one pile when the allowable axial load for a single pile exceed 40 tons. Where the allowable axial load for a single pile is 40 tons or less, static load tests shall be made upon request by the building official. "EXCEPTION: The load test may be waived by the building official if substantiated by the soils report." -68- Section 5-100. Amending section 3207(e). Section 3207(e) is amended to rea3 as follows: "(e) Over Public Sidewalk. The water from the roof of all buildings which would flow by gravity onto a public sidewalk shall be carried by means of conduits under the sidewalk and through the curb into the gutter. "EXCEPTION: Buildings of Groups R-3 or M Occupancies, the walls of which are 10 feet or more from the street property line, nee3 not comply with the above." Section 5-101. Amending section 3303(a). Section 3303(a) is amended by amending the exceptions after the fifth paragraph thereto to read as follows: "EXCEPTIONS: 1. Except as provided in Table / No. 33-A, only one exit shall be required for Group R, Division 3 Occupancies. See section 1204 for emergency escapes or rescue requirements from sleeping rooms. "2. In buildings containing apartment units which occupy portions of two floors (maisonettes), each such unit shall have direct access to an exterior exit balcony which shall have the required number of exits to grade, provided that the interior stairway between portions of each unit occupying two floors shall serve that unit only. "Such units need not have direct access to an exterior exit balcony in buildings equipped with an automatic fire-extinguishing system throughout. ~_ -6 9- "3. Type I or Type II-F.R. buildings in Group R, Division 1 apartment house Occupancies with not more than two living units on any floor may have a single exit that is immediately accessible to all apartments served thereby. "4. Buildings of Group R, Division 1 Occupancies of at least one-hour fire-resistive construction, not exceeding three stories in height, may have a single exit serving not more than two units per floor, providing that such exit is an enclosed stairway or an exterior stairway, and provided further that such exit is immediately accessible to all units serve3. "5. Floors and basements use3 exclusively for service of the buil3ing may have one exit. For the purposes of this exception, storage rooms, laundry rooms, maintenance C offices and similar uses shall not be considered as providin3 service to the buil3ing. "6. Basements within an individual Swelling unit having an occupant load of less than 10 may have one exit. "7. Storage rooms, laundry rooms and maintenance offices not exceeding 300 square feet in floor area may be provided with only one exit." Section 5-102.. Amending section 3304(b). Section 3304(b) is amended by adding an exception after the second paragraph to read as follows: "EXCEPTION; Double acting screen doors used in conjunction with exit doors having panic hardware in school cafetoriums." -70- Section 5-103. Amending section 3304(h). Section 3304(h) is amended by amending Exception No. 1 to read as follows: "1. :Qhere the door opens into a stair or a smokeproof enclosure, the landing need not have a length of 5 feet. Section 5-104. Amending section 3305(e). Section 3305(e) is amended by adding an exception to read as follows: "EXCEPTION: Foyers, lobbies or reception areas .which are constructed as required for corridors may have 3ea3 ends exceeding 20 feet, provide3 that the ratio of length of 3ea3 end to width 3oes not exceed 2:1." Section 5-105. Amending section 3306(b). Section 330o(b) is amended by amending the first paragraph to read as follows: ( "(b) Aidth. 6~idth of stairways shall be determined in accordance with section 3303(b); provided that stairways serving an occupant load of 50 or more shall be not less than 44 inches in width; stairways serving an occupant load of 49 or less shall be not less than 36 inches in width; and provided further, that such stairways having Class I or III standpipes installed therein shall be not less than 44 inches in width. Private stairways serving an occupant load of less than 10 shall be not less than 30 inches in width. For the purpose of this section, the occupant load of a stairway shall be the total occupant load of all floors served by the stairway." ~~ -71- /^ Section 5-106. Amending section 3306(j). Section 3306(j) is amended to read as follows: "(j) Handrails. Stairways shall have handrails on each side, and every stairway required to be more than 88 inches in, width shall be provided with not less than one intermediate handrail for each 88 inches of required width. Intermediate handrails shall be spaced approximately equally across the entire width of the stairway. "EXCEPTIONS: 1. Stairways less than 44 inches in width and stairways serving one individual Swelling unit i;i Group R Occupancies may have one handrail, except that such stairways open on one or both side shall have handrails provided on the open side or sides. "2. Stairways having less than four risers nee3 not have handrails. "Handrails shall be placed not less than 30 inches nor more than 34 inches above the nosing of treads. They shall be continuous the full length of the stairs. Except for private stairways, at least one handrail shall extend not less than 6 inches beyond the top and bottom risers, and ends shall be returned or shall terminate in newel posts or safety terminals. -72- "Handrails projecting from a wall shall have a .,, space of not less 1 1/2 inches between the wall and the handrail. The handgrip portion of handrails shall be not less than 1 1/4 inches nor more than 3 3/4 inches in cross-sectional dimension and shall have a smooth surface with no sharp corners." Section 5-107. Amending section 3307(d). Section 3307(d) is amended to read as follows: "(d) Landings. Ramos for the physically handicapped having slopes steeper than one vertical to 15 Horizontal shall have landings at the top and bottom and at least one intermediate landing shall be provided for each 5 feet ~f rise. Top landings and intermediate Landings shall have a dimension measured in the direction of ramp run of not less than 5 feet. Landings at the bottom of ramps shall have a dimension in the 3irection of ramp run of not less than 6 feet. "Other ramps with slopes steeper than 1 vertical to 10 horizontal shall have landings as required for stairways. "Doors in any position shall not reduce the minimum 3imension of the landings to less than 42 inches and shall not reduce the required width by more than 7 inches when fully open." -73- Section 5-108. Amending section 3309(a). Section 3309(a) is amended by amending Exception No. 3 to read as follows: "3. Stairs in open parking garages, as defined in section 709, need not be enclosed, provided that such stairs are not a continuation of exits from upper floors which are require3 to be enclosed." Section 5-109. Amending section 3310. (a) Section 3310 is amended by amending subsection (b) to read as follows: "(b) b~here Required. +4here a floor of any story is located more than 75 feet above the highest grade, all required exits shall be smokeproof enclosures. "EXCEPTIOYd: smokeproof enclosures :nay be omitted, provide3 all enclosed exit stairways are equipped with a relief opening at the top and the stairway is supplied mechanically with sufficient air to discharge a minimum of 2500 cubic feet per minute through the relief opening while maintaining a minimum positive pressure of not less than .OS inch and not more than .10 inch water column in the shaft relative to atmospheric pressure with all doors closed. Activation of the mechanical equipment shall be in accordance with section 3310(8)6." (b) Section 3310 is amended by amending subsection (f) to read as follows: -74- ~ "(f) Smokeproof Enclosures by natural Ventilation. "1. Doors. When a vestibule is provided, the 3oor assembly into the vestibule shall have a one and one-half hour fire-protection rating, and the 3oor assembly from the vestibule to the stairs shall be a smoke- and draft-control assembly having not less than a 20-minute fire protection rating. Doors shall.be maintaine3 self-closing or shall be automatic closing by actuation of a smoke detector. "'nThen access to the stairway is by means o°_ an open exterior exit balcony, the 3oor assembly to the stairway shall have a one and one-half hour fire-protection rating an3 shall be maintaine3 self-closing or shall be automatic closing by actuation of a smoke 3etector. "2. Open Air Vestibule. The required vestibule opening to the outside shall be not more than 10 feet froin the door opening into the stair shaft, shall be not less than 16 square feet in area with a minimum 3imension of 36 inches, shall not be glazed or obstructed in any manner and shall face a public way at least 20 feet in width or a yard at least 20 feet in width leading to a public way at least 20 feet in width." ~_ e -75- (c) Section 3310 is amended by amending subsection (g) to read as follows: "(g) Smokeproof Enclosures by Mechanical Ventilation. "1. Doors. The door assembly from the buil3ing into the vestibule shall have a one and one-half hour fire- protection rating, and the door assembly from the vestibule to the stairway shall be a smoke- and draft-control assembly having not Less than a 20-minute fire-protection rating. The door to the stairways shall be provided with a drop sill or other provision to minimize air leakage. The doors shall close automatically by actuation of a smoke 3etector or upon power failure. "2. Dimensions and Layou£ of Vestibule. the minimum width of the vestibule shall be not less than ~._ 44 inches. The minimum distance between the nearest portions of the opening of the door into the vestibule and the opening of the 3oor from the vestibule into the stair shaft shall not be less than 6 feet. "3. Air Movement in Vestibule. Air change in each vestibule shall be not less than one and one-half times per minute. Supply air shall enter and exhaust air shall discharge from the vestibule through separate, tightly constructed metal ducts used only for the purpose. Supply air shall enter the vestibule within 6 inches of the floor level close to the stairway door. Exhaust register shall be located t _,~ -76- entirely within the smoke trap area with the top of the register not more than 6 inches Sown from the top of the trap and close to the strike side of the entry door to the vestibule. Doors, when in the open position, shall not obstruct duct openings. Controlling dampers may be provided in 3uct openings, if needed, to meet the design requirements but are not otherwise required. Pressure in the vestibule shall be ,naintaine3 at approximately atmospheric level. "VOTE: For buildings where such air changes wou13 result in excessively large 3uct and blower requirements, a specially engineered system may be use3. Such an engineered system shall provide 2,500 cfm exhaust from the vestibule when in emergency operation and shall be sized to handle three vestibules simultaneously and the smoke detector located outside each vestibule shall release to open the supply and exhaust 3uct 3ampers in the affected vestibule. "4. Smoke Trap. The vestibule ceiling shall ~e at least 20 inches higher than the door opening into the vestibule to serve as a smoke and heat trap and to provide an upward-moving air column. This dimension may be reduced when approved by the building official where the rate of air change is increased above the one and one-half times per minute air change required under item no. 3 above or when the engineered system noted under item no. 3 is used, but in no case shall be less than 12 inches. -77- "5. Stair Shaft Air Movement System. The stair ` shaft shall be provided with mechanical supply and exhaust air. 'T'here shall be a minimum of 2,500 cfm discharge at the top of the shaft. The supply shall be sufficient to provide air pressure of not less than .05 inch and not more than .10 inch water column with respect to atmospheric pressure with all doors closed. "6. Detectors and Operation of Ventilating equipment. A 3etection 3evice shall be installed in the corridor ceiling above the 3oor to the vestibule. Buil3ings required to have fire alarm systems by governmental regulations shall have the 3etectors installed as 3escribe3 herein tie:i in with such alarm systems. "Vestibule and stair shaft mechanical ventilation may be inactive ~r may operate at reduce3 levels for normal operations as approved by the buil3ing official. The activation of the closing device on any door shall activate the closing devices on all 3oors of the smokeproof enclosure at all levels. When the closing device for the stair shaft and vestibule doors is activated by a smoke detector or power failure, the mechanical equipment shall operate at the levels specified in items no. 3 and 5. Failure of the mechanical ventilation equipment shall cause an alarm to be set 'off. t.' -78- ~ "7. Standby Power. Standby power for mechanical ventilation equipment shall be provided by an approved self-contained generator set to operate whenever there is a loss of power in the normal house current. The generator shall be in a separate room having a minimum one-hour fire-resistive occupancy separation and shall have a minimum fuel supply adequate to operate the equipment for two hours. See section 1807(h) for standby power requirements for high-rise Group B, Division 2 offices and Group 2, Division 1 Occupancies. "8. Acceptance Testing. Before the mechanical equipment is accepted by the buil3ing official, it shall be tested to confirm that the mechanical equipment is operating in compliance with these requirements. "9. Emergency Lighting. The stair shaft and vestibule shall be provided with emergency lighting. A standby generator which is installed for the smokeproof enclosure mechanical ventilation equipment may be used for such stair shaft and vestibule power supply. See section 1807(h) for emergency lighting requirements for high-rise Group B, Division 2 offices and Group R, Division 1 Occupancies." -79- Section 5-110. Amending section 3313(b). Section 3313(b) is amended to rea3 as follows: "(b) Power Supply. "1. Separate Branch Circuits. The power supply for exit illumination shall be provided by two separate branch circuits of the normal premises wiring system, unless an emergency system is installed, for the following occupancies: 'A. Groups A, Divisions 2, 2.1, 3 and 4, ° and B Occupancies with an occupant load over 100 oersons. "B. Groups H and R, Division 1 Occupancies with an occupant load over 100 persons. "C. Group I Occupancies with an occupant load .over 50 persons. ~- "One of the required circuits shall supply only fixtures used for exit illumination or exit signs. The other circuit may supply current to other outlets. "2. Separate Sources of Power. The power supply for exit illumination shall normally be provided by the premises wiring system. In the event of its failure, illumination shall be automatically provided from an emergency system for the following occupancies: "A. Group A, Division 1 Occupanies. "B. Group A, Divisions 2 and 2.1 Occupancies with an occupant load over 500 persons, except churches with an occupant load of less than 750 persons. -80- "C. Group B Occupancies with an occupant ~'" load over 300 persons. "D. Group I Occupancies with an occupant load over 100 persons. "E. Group R-1 Occupancies with more than 500 hotel guest rooms or 300 apartment units. "For high-rise buil3ings, see section 1807. r^or smokeproof enclosures, see section 331018)9. "Emergency systems shall be supplied from storage batteries or an on-sita generator set and the system shall be installed in accordance with the requirements of chapter 9 (Electricity) of the County code." Section 5-111. Adding section 3313(c). Section 3313(c) is added to read as follows: " (c) Stairway Enclosure Illumination. Enclosed stairways of buil3ings more than 4 stories in height shall be provided with emergency illumination systems which shall conform with the provisions of section 3313(a) and be supplied from storage batteries or on-site generator set in accordance with the provisions of section 3313(b)2. Section 5-112. Amending section 3319(k). Section 3319(k) is amended by adding an exception to read as follows: °81- "EXCEPTION: Security gates may be permitted across /"* corridors or passageways in school buildings if there is a readily visible durable sign on or adjacent to the gate, stating 'THIS GATE IS TO REMAIN SECURED IN THE OPEN POSITION GdHENEVER THIS BUILDING IS IN USE'. The sign shall be in letters not less than one inch high on a contrasting background. The use of this exception may be revoked by the 'ouilding official for Sue cause." Section 5-113. Amending Table No. 33-A. Table No. 33-A is amended as follows: (a) The footnote after the word "indicated" in the fourth column heading is changed from "3" to "2". (b) Under Item i~o. 7, Dormitories, the footnote in the f fourth column is changed from "5" to "8". (c) Under Item No. 17, Offices, the footnote in the fourth column is changed from "5" to "12". (d) Footnote 3 is amended to read as follows: "3Access to secondary areas on balconies or mezzanines may be by stairs only, except when such secondary areas contain the only available toilet facilities; and provide3 not less than 25 pecent of floor areas used for dining and drinking shall be accessible to the handicapped." (e) Footnote 12 is added to read as follows: „12When the listed occupancy exceeds 3 stories." -82- Section 5-114. Amending section 3801(a). Section 3801(a) ('4ti ' is amended by adding a third paragraph to read as follows: "All buried galvanized steel and other ferrous piping used in connection with fire-extinguishing systems shall be wrapped or otherwise protected against corrosion in accordance with the provisions of chapter 17 (Plumbing) of the County code for protection of galvanized ferrous piping for potable water." Section 5-115. Amending section 3802. (a) Section 3802 is amended by amending the first paragraph of subsection (b)1 is amended to rea3 as follows: "1. In every story or basement of all buil3ings when floor area exceeds 1,500 square feet and there is not provide3 at least 20 square feet of opening entirely above the adjoining ground level in each 50 lineal feet or fraction thereof of exterior wall in the story or basement on at least one side of the building. Each of the required 20 square feet of opening shall have at least one opening with minimum dimensions of 3 feet by 4 feet. Such required openings shall be unobstructed by sunshades, louvers, grillwork or other construction on the exterior wall which will prevent or hinder access to the openings by the fire department personnel." (b) Section 3802 is amended by amending the first paragraph of subsection (c)5 to read as follows: -83- "5. Other areas. An automatic sprinkler system ~' shall be installed in specific areas of Group A Occupancies as follows: under the roof and gridiron, in the tie and fly galleries and in all places behind the proscenium wall of stages; over enclosed platforms, in excess of 1000 square feet in area; and in dressing rooms, workshops and storerooms accessory to such stages or enclosed platforms." Section 5-116. Amending section 3805(c). Section 3805(c) is amended by amending the second paragraph to read as follows: "There shall be a two-way outlet above the roof line when the roof has a slope of less than 4 inches in 12 inches." Section 5-117. Adding section 3805(f). Section 3805(f) is added to rea3 as follows: "(f) Testing. After completion of installation, the following test procedures shall be followed to determine that the system as installed performs properly. "1. Hydrostatic and Flow Test - Perform to comply with the test procedure for standpipe systems in the fire department's rules and regulations. "2. Operate each outlet valve in the system to determine that it will function properly." Section 5-118. Amending section 3806. Section 3806 is amended to rea3 as follows: "Section 3806. Buildings Under Construction. During the construction of a building and until the permanent fire-extinguishing system has been installed and is in service, ~--' fire protection shall be provided in accordance with the chapter 26 (Fire) of the County code." -84- Section 5-119. Amending Table No. 38-A. Table No. 38-A is amended to read as follows: "TABLE NO. 38-A - STANDPIPE REQUIREMENTS ~_ ~_.- 1VONSPRINKLERED SPRINKLERED ; ~ BUILDING2 BUILDING3 4 Stand- Hose Stand-Hose pipe ~ Require- pipe Require- Occupancyl I Class merit Class merit 1. Occupancies 4 stories or more I and No in height, except II Yes I °10 3rou R, Div. 3 (or III) No ~ (or III) roup A Occu- I pancies with II Yes ~ :do .do occupant load ~ ! j require- ' esceedin 1000 ! merit ~ group iv. , Occupancies over i ; 5000 square feet ~ in area used for ~ i ~ exhibition II ~ Yes ! II Y~ . Groups Z, H, B, ~ Div. 1, 2 or 3 ~ ', ~ Occupancies less ~ i than 4 stories in i height but greater ; ; ido than 20,000 square j require- Klass II standpipes need not be provided in assembly areas used solely for worship. 2Class II standpipes need not be provided in basements having an automatic fire-existinguishing system throughout such basements. 3Combined systems with their related water supplies may be used in sprinklered buildings. 4Portions of otherwise sprinklered buildings which are not protected by automatic sprinklers shall have Class II stand- pipes installed." -85- Section 5-120. Amending section 3906(b). Section 3906(b) !"' ' is amended by amending the second paragraph to read as follows: "Where any usable space having headroom of 4 feet or more occurs under a raised platform of an assembly room such platform shall be of not less than one-hour fire-resistive construction or of heavy timber floor construction." Section 5-121. Amending section 4005. Section 4005 is amended to read as follows: "Section 4005. Ventilation. Ventilation shall be provided as specified in the 'administrative rules of tha_ States department of health."' Section 5-122. Amending section 4401. Section 4401 is amended by amending the third paragraph to read as follows: "Any material or structure temporarily occupying public property, including fences and walkways, which creates a hazar3 to the public shall be adequately lighted between sunset and sunrise." Section 5-123. Amending section 4403. Section 4403 is amended to rea3 as follows: "Section 4403. Storage on Public Property. Material an3 equipment necessary for work to be done under a permit shall not be placed or stored on public property so as to obstruct free and convenient approach to and use of any fire hydrant, fire or police alarm box, utility box, catch basin or manhole, or so as to interfere with the free flow of water in any street or alley gutter without permission from the agency having jurisdiction." -56- Section 5-124. Amending section 4405. Section 4405 is amended to rea3 as follows: "Section 4405. Protection of Utilities. An adequate protective frame and boarding shall be built about every street lamp, utility box, fire or police alarm box, fire hydrant, ' catch basin and manhole that may be damaged by any work being 3one under the permit. This protection shall be maintained while such work is being 3one an3 shall not obstruct the normal functioning of the 3evice." Section 5-125. A.~nending section 4406. Section 4406 is amended to rea3 as follows: "Section 4406. Nalkway. A walkway not less than 4 feet wide or width of existing sidewalk when less than 4 feet shall be maintained on the sidewalk in front of the buil3ing site during construction, alteration or 3emolition unless the public agency having jurisdiction authorizes the sidewalk to be fenced and close3. Adequate signs and railings shall be provided to direct pedestrian traffic. Railings shall be provided when reguire3 by section 4407. "The walkway shall be capable of supporting a uniform live load of 150 pounds per square foot." ~._.~ -87- Section 5-126. Amending section 4407. Section 4407 is ' amended to read as follows: "Section 4407. Pedestrian Protection. (a) Protection Required. Pedestrian traffic shall be protected by a railing on the street side when the walkway extends into the roadway, by a railing adjacent to excavations and by such other protection as set forth in Table No. 44-A. The construction of such protective 3evices shall be in accordance with the provisions of this chapter. In all cases, proper and reasonable 3evices shall be provided to eliminate hazards to the public. "(b) Railings. Railings shall be substantially built an3 when of wood shall be constructed of new material F having a nominal size of at least 2 inches by 4 inches. l Railings shall be at least 3 feet 6 inches in height an3 when adjacent to excavations shall be provided with a midrail. "(c) Fences. Fences shall be solid and substantially built, be not less than 6 feet in height above grade, and be placed on the si3e of the walkway nearest to the building site. Fences shall extend the entire length of the building site where practical and each end shall be returned to the building line. "Openings in such fences shall be protected by doors which normally. are kept closed. ~_ -88- "AL1 fences shall be provided with 2-inch by f 4-inch plate, top and bottom and shall be well braced. The fence material shall be a minimum of 3/4-inch boards or 1/4-inch plywood. "(d) Canopies. The protective canopy shall have a clear height of 8 feet above the walkway. The roof shall be tightly sheathed. "If materials are stored or work is done on the roof of the canopy, the street sides and ends of the canopy roof shall be protected by a tight curb boar3 not less than 1 foot high and a railing not less than 3 feet 6 inches nigh. "The entire structure shall be designed to carry the loads to be imposed on it." Section 5-127. Amending Table No. 44-A. Table No. 44-A is amended by adding a superscript "1" to PROTECTION REQUIRED in the right-hand column and adding a footnote to read as follows: "1Not applicable to construction in preservation, agricultural and residential districts except when required by the building official." Section 5-128. Amending section 4501. Section 4501 is amended by deleting the fourth paragraph. Section 5-129. Deleting section 4502. Section 4502 is deleted. ~ _„ -89- Section 5-130. Deleting section 4503. Section 4503 is (- deleted. Section 5-131. Amending section 4504. Section 4504 is amended to read as follows: "Section 4504. Balconies and Appendages. Roof eaves, cornices, belt courses, and appendages such as water tables, sills, capitals, bases and architectural projections which cannot be occupied or used may project over the public street of the building site a 3istance as determined by the clearance of the lowest point of the projection above the grade immediately below, as follows: "Clearance above grade less than 8 feet - no ~. - projection is permitted. "Clearance above grade over 8 feet - one inch of projection is permitted for each additional inch of clearance provided that no such projection shall exceed a distance of four feet. "Roof eaves shall be sloped to downspouts and/or gutters leading back to the buil3ing which shall conduct any drainage under the sidewalk area through the curb to the street gutter." Section 5-132. Amending section 4505. Section 4505 is amended to rea3 as follows: "Section 4505. :Karquees. (a) General. For the \~ purpose of this section, a marquee shall include any object or decoration attached to or a part of sai3 marquee, except signs. -90- "(b) Projection and Clearance. The marquee shall s^' project not more than three-fourths of the distance from the property line to the face of the curb but in no case reach within 2 feet 6 inches of the face of the curb. "There shall be a minimum of 8 feet vertical clearance between the lowest point of any marquee to the sidewalk below. "(c) Construction. A marquee shall be supported entirely from the building and shall be constructed entirely of noncombustible materials. "EXCEPTION: Orop-roll curtains of canvas may be suspended below the exterior periphery, provided a minimum clearance of 7 feet from the sidewalk below is maintaine3. "(d) Roof Construction. The roof or any part thereof may be a skylight, provided wire glass not less than 1/4-inch thick with no single pane more than 18 inches wide is used. "Every roof and skylight of a marquee shall be sloped to downspouts which shall conduct any drainage from the marquee under the sidewalk to the curb. "(e) Prohibited Location. Every marquee shall be so ~• located as not to interfere with the operation of any exterior standpipe or to obstruct the clear passage of stairways or exits from the building or the installation or maintenance of street lighting. -91- "(f) Thickness. The maximum height or thickness of C a marquee measured vertically from its lowest to its highest point shall not exceed 3 feet." Section 5-133. Amending section 4506(b)_ Section 4506(b) is amended by amending the exception to read as follows: "EXCEPTIONS: 1. A fixed awning not more than 10 feet in length may be erected over a doorway to the building. "2. Fixed awnings projecting not more than 4 feet from the face of the building and of a total length not more than 50 percent of the street frontage of the building may be erected over windows along the street." Section 5-134.. Amending section 4506(c). Section 4506(c) is amended to read as follows: "(c) Projection. Awnings may extend over public C.. property not more than 7 feet from the face of a supporting building, but no portion shall extend nearer than 2 feet 6 inches to the face of the nearest curb line measured horizontally. In no case shall the awning extend over public property greater than two-thirds of the distance from the property line to the nearest curb in front of the building site" Section 5-13.5.. Amending section 4507. Section 4507 is amended to read as follows:. "Section 4507. Doors. No doors, either fully opened or when opening, shall project beyond the property line.." -92- Adding chapter 49. chapter 49 is added to "CHAPTER 49 - PATIO COVERS "Section 4901.. Patio Covers Defined. Patio covers Section 5-136 read as follows: are one-story structures not exceeding 12 feet in height. Enclosure walls may have any configuration, provided the open area of the longer wall and one additional wall is equal to at least 65 percent of the area below a minimum of 6 feet 8 inches of each wall, measured from the floor. Openings may be enclosed with insect screening or plastic.l "Patio covers may be 3etached or attached to other { , ..~ buil3ings as accessories to Group M, Group R, Division 3 Occupancies or to single dwelling units in Group R, Division 1 Occupancies. Patio covers shall be used only for recreational, outdoor living purposes and not as carports, garages, storage rooms or habitable rooms. For patio covers attached to a building of Group R-3 or Group M Occupancy, the roof covering may be of such plastic materials as may be approved by the building official. Such plastic roof covering when so approved shall project not more than 16 feet, including the overhang, from the face of the exterior wall of the building and shall not exceed 400 square feet in any single continuous area. Such areas of plastic patio covering shall. be separated from each other by at least 10 feet. -93- "Section 4902. Design Loads. Patio covers shall be 3esigned and constructed to sustain, within the stress limits of this code, all dead loads plus a minimum vertical live load of 10 pounds per square foot Such covers shall be designed to resist the minimum horizontal wind Loads set forth in this code, except that where less than 12 feet high the horizontal wind load shall be 13 pounds per square foot.. In addition, they shall be 3esigned to support a minimum wind uplift equal to the horizontal wind load acting vertical upwar3 normal to the roof surface, except that for structures not more than 10 feet above grade the uplift may be three-fourths of the horizontal wind load. When enclosed with insect screening or plasticl, wind loads shall be applied to the structure, f assuming it is fully enclosed. .,.., "Section 4903. Light and Ventilation. Windows required for light and ventilation may open into a patio structure conforming to section 4901. "Section 4904. Footings. A patio cover may be supported on a concrete slab on grade without footings, provided the slab is not less than 3 1/2 inches thick and further provided that the columns 3o not support live and dead loads in excess of 750 pounds per column.. "1The plastic referenced in sections 4901 and 4902 is readily removable translucent or transparent plastic not more than 0.125 inch in thickness." -94- Section 5-137. Deleting chapter 50. Chapter 50 is "' deleted. Section 5-138. Deleting chapter 51. Chapter 51 is deleted. Section 5-13.9. Adding chapter 53> Chapter 53 is added to read as follows: "CHAPTER 53 - ENERGY CONSERVATION "GENERAL. "Section 5301. (a) Scope. The provisions of this chapter regulate the design and construction of the exterior envelopes and selection of heating, ventilating and air-conditioning, service water heating, electrical 3istribution and illuminating systems and equipment required for the purpose of effective conservation of energy within a ~_~ building or structure governed by this code. Compliance with applicable provisions of ASHRAE Standards No. 90A-80 and 90B-80 shall be deemed to meet the requirements of this chapter. "EXCEPTIONS: 1. Buildings and structures, or portions thereof, which are not heated or cooled shall be exempt from the provis-ions of sections 5303 through 5306 regulating exterior envelope and heating, ventilating and air- conditioning systems. "2. Buildings and structures whose peak design rate of energy usage is less than one watt per square foot or 3.4 Btuh per square foot of floor area for al.l purposes shall be exempt from all provisions of this chapter. - 95- "3. Dwelling units which are not heated or C cooled, or where cooled with air conditioning systems totaling less than 12,000 Btuh capacity, shall be exempt from all provisions of this chapter except sections 5308 and 5309 pertaining to the conservation of hot water. "4. For special applications such as hospitals, laboratories, thermally sensitive equipment, computer rooms, and manufacturing and industrial processes, the 3esign concepts and parameters shall conform to the requirements of the application at minimum energy levels. "(b) Plans and Specifications. Plans, specifications and necessary computations shall be submitted to indicate conformance with this chapter. Plans and t specifications for work to comply with the provisions of this J chapter shall be prepared, designed or approved by a duly registered professional engineer. or architect as required by chapter 464 of the Hawaii Revised Statutes. "(c) Information on Plans and Specifications. The plans and. specifications shall show in sufficient detail all pertinent data and features of the building and the equipment and systems as herein governed including but not limited to: exterior envelope component materials, U values of the respective elements including insulation, R values. of insulating materials, size and type of apparatus and equipment, equipment and system controls and other pertinent data to indicate conformance with the requirements of this chapter. '~./ -96- "(d) Alternative Systems. Alternative building C systems and equipment design shall be approved by the building official when it can be demonstrated that the proposed energy consumption will not exceed that of a similar building with similar forms of energy requirements designed in accordance with the provisions of this chapter. "When such alternative systems utilize solar, geothermal, wind or other nondeplebable energy sources or utilize waste heat for all or part of its energy sources, such nondepletable energy or recovered waste heat supplied to the buildings may be excluded from the total energy chargeable to the proposed alternative 3esign. "Proposed alternative designs submitted as requests for exception to the standar3 design criteria must be accompanied by an energy analysis prepared in accordance with established principles of envirorunental technologies (such as ASHRAE Standard 90). "DEFINITIONS. "Section 5302.. The following terms are defined for specialized use within this chapter. "ASHRAE. American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. "COEFFICIENT OF PERFORMANCE (COP) - COOLING. 1. Electrically Operated HVAC Equipment. The ratio of the rate of net heat removal to the rate of total energy input expressed in consistent units and under designated rating - 97- conditions. The rate of net heat removal as used within this definition shall. be the change in the enthalpies of the air entering and leaving the equipment (without reheat). The total energy inputs as used within this definition shall be determined by combining the energy inputs to all elements of the equipment., including, but not limited to, compressors, pumps, supply-air fans, return-air fans, condenser-air fans, cooling tower fans and pumps, and the heating, ventilating and air-conditioning system equipment control circuit. "2. Applied HVAC System Components. The ratio of the rate of net heat removal to the rate of total energy input expressed in consistent units and under designated rating conditions. The rate of net heat removal as used within this definition shall be the difference in enthalpies of the water or refrigerant entering an3 leaving the component. The total energy input as used within this system shall be determined by combining the energy inputs to all elements and accessories of the component, including but not limited to, compressors, internal circulating pumps, condenser-air fans, evaporative-condenser cooling water pumps, purge, and the heating, ventilating and air-conditioning system components control circuit. "3. Heat-operated HVAC System Equipment. The ratio of the net cooling output to the total heat input. The rate of net heat removal as used within this definition shall ~~ -98- be the difference in enthalpies of the water or refrigerant entering and leaving the component. The total energy input as used within this system shall be determined. by combining the energy inputs to all. elements and accessories of the component, including, but not limited to, compressors, internal circulating pumps, condenser-air fans,. evaporative-condenser cooling water pumps, purge and the heating, ventilating and air-conditioning system components control circuit. "COEFFICIENT OF PERFORMANCE (COP) - HEAT PUMP, HEATIiYG. The ratio of the rate of net heat output to the rate of total energy input expressed in consistent units and under designated rating conditions. The rate of net heat output as used within this definition shall be the change in the total heat contents of the air entering and leaving the equipment, ~' excluding supplementary heat. The total energy input as used within this definition shall be the combined energy inputs to all elements except supplementary heaters of the heat pump, including, but not limited to, compressors, pumps, supply-air fans, return-air fans, outdoor-air fans, cooling-tower fans and the HVAC system equipment control circuit. "ENERGY EFFICIENCY RATIO (EER).. The ratio of net cooling-capacity is Btuh to total rate of electric input in watts under designated operating conditions.. -99- "EXTERIOR ENVELOPE. The elements of a building 1 which enclose conditioned spaces through which thermal energy may be transferred to or from the exterior, or from unconditioned spaces_ "EXTERIOR 'eTALLS. A11 opaque wall areas and partition areas, including foundation walls above grade, peripheral edges of floors., window areas including sash, and door areas, where such surfaces are exposed to outdoor air or unconditioned interior space and enclose a heated or mechanically cooled space. "FENESTRP,TION. Any Light-transmitting opening in a building wail or roof. Included are (1) the glazing material which may be glass or plastic, (2) the framing, mullions, muntins and dividers, (3) external shading devices, (4) internal. shading 3evices, and. (5) integral (between-glass) shading systems. "FLOOR AREA, GROSS. The floor area within the perimeter of the outside walls of the building under consideration, without deduction for hallways, stairs, closets, thickness of walls, columns or other features. "HEATED SPACE_ A space within a building which is provided with a positive heat supply to maintain air temperature of 50°F. or higher. "HVAC. Heating, ventilating and air-conditioning. ~. -100- "OPAQUE AREAS. All exposed areas of a building envelope which enclose conditioned space, except openings for windows., skylights, doors and building service systems. "PACKAGED TERMINAL AIR' CONDITIONER. A factory- selected combination of heating and cooling components, assemblies: or sections, intended to serve a room or zone. "POWER FACTOR.. The ratio of the true-power (watts) to the apparent power (volts x amperes); the cosine of the angle of lag between the alternating current and the voltage waves. "RATE OF YET HEAT OUTPUT. The change in the total heat contents of the. air entering and leaving the equipment, not including supplementary heat. "READILY ACCESSIBLE. Capable of being reached safely and quickly for operation, repair or inspection without requiring those of whom ready access is requisite to climb over or remove obstacles or to resort. to the use of portable access, equipment. "REHEAT. The application of sensible heat to supply air that has been previously cooled below the temperature of the conditioned space'by either mechanical refrigeration or the introduction of outdoor air to provide cooling.. ~~ -101- "ROOF ASSFSIBLY. All components of the roof/ceiling envelope through which heat flows, thereby creating a building. transmission heat loss or gain, where such assembly is exposed to outdoor air and encloses a heated or mechanically cooled space. "The gross area of a roof. assembly consists of the total interior surface of such assembly, including skylights, exposed to the heated and/or mechanically cooled space. "~i~Jhere ceiling air plenums. are employed, the roof/ceiling assembly shall: "1. For thermal transmittance purposes, not include the ceiling proper nor the plenum space as part of the assembly_ "2. For gross area purposes, be based upon the interior face of the upper plenum surface_ "SHADNG COEFFICIENT (SC). Solar Heat Gain of Fenestration SC = Solar Heat Gain Unshaded DSB Wherea DS means- double strength B means grade class "SUPPLEMENTARY HEAT.. Heat generated in a heat pump, electrical resistance heat or other heat input not provided through the heat pump cycle.. "TERMINAL ELEMENT. The means by which the transformed energy from a system is finally delivered; i.e., registers, diffusers, lighting fixtures, faucets, etc. -102- "THERMOSTAT. An instrument which measures changes in temperature and control device(s) for maintaining a desired temperature. "UNCONDITIONED. Not heated or cooled. "ZONE. A space or group of spaces within a building with heating or cooling requirements sufficiently similar so that comfort conditions can. be maintained throughout by a single controlling device.. "EXTERIOR ENVEIA PE REQUIREMENTS. "Section 5303. (a) General. The intent of this section is to provide minimum requirements for exterior envelope construction.. "In addition to the criteria set forth in this /` chapter, the proposed design may take into consideration the ~~. thermal mass of the building in considering energy conservation in accordance with engineering design standards such as those of ASHRAE. "A building that is designed to be both heated and cooled shall meet the more stringent of the heating and cooling requirements of the exterior envelope as provided in this section when the requirements differ. "(b) Thermal Performance. All buildings and structures, or portions thereof, that are heated or mechanically cooled shall be constructed so as to provide the required. thermal performance of the various components. V -103- "The required thermal transmittance value (Uo) of any one component such as roof/ceiling, wall or floor may be increased and the Uo value for any other components decreased provided: that the overall heat gain. or lass for the entire building envelope does not exceed. the total resulting from conformance to the required Uo values,. "(c) Residential Buildings Not More than Three Stories in Height. The following provisions ,shall apply to all buildings and structures, or portions thereof, not more than three stories in height and housing Group R Occupancies. "1. Walls.. The gross area of exterior walls above grade, including foundation walls, shall have a combine3 thermal transmittance value (Uo) not exceeding those specified in Table No. 53-A. The combined thermal transmittance value (Uo) is to be computed using Equation 53-1. "EXCEPTIONS: In locations with less than 500 Fahrenheit heating degree days there shall not be a maximum Uo requirement if only heating is provided and the Uo shall be not exceeding those specified in Tab Le No. 53-A if the building is mechanically cooled. U - Uwall Awall + Uwindow + window + Udoor P'door ,,, (53-1) o - P'o NOTE: Where more than one type of wall, window and/or door is used, the U x A term for that exposure shall be expanded into its subelements, as: '~../ -104- f Uwa111 `a'walll + Uwa112 p'wa112, etc . t WHERE Uo = the average thermal transmittance of the gross wall area, Btu/h•ft2-F. Av = the gross area of exterior walls, ft2 Uw~l = the thermal transmittance of all elements of the opaque wall area, Btu/h•ft2•F. Awall = opaque wall area, ft 2. Uwindow = the thermal. transmittance of the window area, Btu/h•ft2•F. window = 'dindow area (including sash), ft2. Udoor the thermal. transmittance of the door area, Btu/h•ft2-F. 11door = door area, ft 2. "2. Roof/Ceiling. Any building that is heated or mechanically cooled shall have a combined thermal ~_.• transmittance value (Uo) for roof/ceilings not exceeding those specified in Table No. 53-A. The combined thermal transmittance value (Uo) is to be computed using Equation 53-2. U Uroof Aroof + Uskylight Askylight ,,,,, (53-2) o. _ P`o NOTE.: Where more than one type of roof/ceiling and/or skylight is used, the U'x A term for that exposure shall be expanded into its subelements, as: -105- Uroofl p'roofl + Uroofz p'roof2, etc. WHERE Uo = the average thermal transmittance of the gross roof/ceiling area, Btu/h•ft2•F. Ao =the gross area of a roof/ceiling assembly, ft 2. Uroof = the thermal transmittance of all elements of the opaque roof/ceiling area, Stu/h•ft -F'. Aroof = opaque roof/ceiling area, ft2 Uskylight = the thermal transmittance of all skylight elements in the roof/ceiling assembly, Btu/h•ftz•F. Askylight = skylight area (including frame), ft Z. "3. Floors Over Unheated Spaces_ The floor of ~' a heated or mechanically cooled space located over an unheated space shall have a combined thermal transmittance value (Uo) as specified in Table No. 5.3-A. "(d) Other Buildings. The following provisions shall apply to all buildings and structures, or portions thereof, except those covered in subsection (c). "1. Heating Criteria for TAalls. All buildings ~o+ and structures, or portions. thereof, that are heated shall have a combined thermal transmittance value (Uo) for the gross area of exterior walls. not exceeding those specified in Table No• 53-B. The combined thermal transmittance value (Uo) is to be computed using Equation 53-1. -106- "2. Heating Criteria for Roof/Ceiling. All buildings and structures, or portions thereof, that are heated shall have a combined thermal transmittance value (Uo) for roof/ceiling assemblies. not exceeding those- specified in Table No. 53-5. The combined thermal transmittance value (Uo) is to be computed using Equation 53-2. "3. Heating Criteria for Floors Over Unheated Spaces. The floor of a heated space located over an unheated space shall have a thermal transmittance value (Uo) not exceeding those specified in Table No. 53-B. "4_ Cooling Criteria for Walls. A11 buildings and structures, or portions thereof, that are mechanically cooled shall have an overall thermal transfer value for the gross area of exterior walls not exceeding those specified in Table No. 53-B. The overall thermal transfer value, OTT V, for the gross- area of exterior walls is to be computed using Equation 53-3. OTTV = (Uwall x Awall x TDEQ) + (Af x SF x SC) '°'o (Uf x Af x ~. ) _.____...._... (53-3) NOTE: Where more: than. one type of wall and/or fenestration is used, the terms shall be•expanded into subelements, as: -107- (Uwall x Awall x TDEQ) + (Uwa112 x `~wa112 x TDEQ2)etc. WHERE OTTV = overall thermal transfer value. Uwall = the thermal transmittance of all elements of the.. opaque wall area,. Btu/h-ft2-E. Awl = opaque wall area, ft 2. Uf =the thermal transmittance of the fenestration area, Btu/h-ft2-F. Af = entire exterior wall fenestration. area, ft 2 . TDEQ = value given in Table No. 53-H. SC = shading coefficient of the fenestration (see Definitions)- p'o = gross area of exterior walls, ft 2. Q T = temperature difference between exterior and interior design conditions, F. SF = solar factor value given in Btu/h-ft 2, using value from the following table for ~,,.~ the peak load time of the cooling system: SF (Interpolate: for Other Directions and Times) Time N NE E SE S SW W NW H oriz. 8 am 21 134 227 186 36 20 20 20 116 10 am 32 61 161 168 76 33 32 32 238 12 noon 36 37 39 69 93 69 39 37 282 2 pm 32 32 32 33 76 168 161 61 238 4 pm 21 20 20 20 36 186 227 134 116 " 5. Cooling Criteria for Roof/Ceilings. All buildings and structures, or portions thereof, that are mechanically cooled shall have. a combined- thermal transmittance value (Uo) for roof/ceiling assemblies not exceeding those specified in Table No. 53-B. The combined thermal. transmittance value (Uo) is to be computed using Equation 53-2. L./ -108- "WARM AIR HEATING, VENTILATING AND AIR-CONDITIONING SYSTEMS (ALL OCCUPANCIES EXCEPT GROUP R, DIVISION 3 OCCUPANCIES). "Section 5304. (a).. Scope. This section applies to air duct systems employing mechanical means. for the movement of air used for warm air heating, cooling, ventilation, air-conditioning systems, exhaust systems and combination. heating and air-conditioning systems, except that this section shall not apply to systems for the removal of flammable •rapors or residues or to systems for conveying 3ust, stock or refuse by means of air currents. "1. Design Parameters. For calculations under this section, the following design parameters shall apply: "(A) Outdoor design conditions shall be based on requirements in chapter 39 - Air Conditioning and Ventilating of the administrative rules of the State department of health. "(B) Indoor design temperature shall be 70°F.. for heating and 77°F.. for cooling. "(C) Indoor 3esign relative humidity for heating shall not exceed 30 percent. For cooling, the design relative humidity shall be 50 percent.. "2.. Mechanical Ventilation. Each mechanical ventilation system shall be equipped with a readily accessible means for either shutoff or volume reduction. and shutoff when ventilation is not required. -109- "3. Simultaneous Heating and Cooling. Systems that employ both heating and cooling simultaneously in order to achieve comfort conditions within a space shall be limited to those situations where more efficient air conditioning cannot be effectivel; objectives. Simultaneous heating and recooling supply air or by concurrent heating and cooling systems serving a restricted as specified herein. methods of heating and t utilized to meet system cooling by reheating or operation of independent common zone shall be "(A) New energy may be used for control of temperature if minimized as specified in Subsections (C) through (H). New energy is defined as energy, other than recovered, utilized for the purpose of heating or cooling. ~; "(B) recovered energy, provided the new l,,,~ energy expended in the recovery process is less than the amount recovered, may be used for control of temperature and humidity. "(C) New energy may be used, when necessary, to prevent relative humidity from rising above 60 percent for comfort control or to prevent condensation on terminal units or outlets. "(D) Systems employing reheat and serving multiple zones, other than those employing variable air volume fbr temperature control, shall be provided with control that will automatically reset the system cold air supply to the highest temperature level that will satisfy the zone requiring the coolest air. Single zone reheat systems shall be `-/ controlled to sequence cooling reheating. -110- "(E) Dual duct and multizone systems shall W be provided with control that will automatically reset the cold air supply to the highest temperature that will satisfy the zone requiring the coolest air and the hot air supply to the lowest temperature that twill satisfy the zone requiring the warmest air_ "(F) Systems in which heated air is retooled, directly or indirectly, to maintain space temperature, shall be provided with control that will automatically reset the temperature to which the supply air is heated. to the lowest level that will satisfy the zone requiring the warmest air. "(G) For systems with multiple zones, one or more zones may be chosen to represent a similar heating/cooling characteristics. heating, ventilating and air-conditioning reheating or retooling for control of not 20 percent of the total supply air of the less, shall be exempt from the supply air requirements of subsections D and F. - number of zones with A multiple zone system that employs more than 5000 cfm or system, whichever is temperature reset "(H) Concurrent operation of independent heating and cooling systems. serving common spaces and requiring the- use of new energy for heating or cooling shall be minimized by one or both of the following: -111- "Heat-Operated cooling equipment shall show a coefficient of performance (COP) in the cooling mode not less than the values specified in Table No. 53-D. These requirements apply to, but are not limited to, absorption, engine-driven and turbine-driven.equipment_ The coefficient of performance (COP) is determined excluding the electrical auxiliary inputs. "2. System Components. Heating, ventilating and air-conditioning system components whose energy input in the cooling mode is entirely electric shall show a coefficient of performance (COP) and energy efficiency ratio (EER) not less than the values specified in Table No. 53-E. "3. Heat Pumps.. Heat pumps whose energy input is entirely electric shall show a coefficient of performance ~•- (COP), heating, not less than the values specified in Table eIo_ 53-E .. "4~ Supplementary Heater. The heat pump shall be installed with a control to prevent supplementary heater operation when the heating load can be met by the heat pump alone. "Supplementary heater operation is permitted during transient periods, such as start-ups, following room thermostat set-point advance and during defrost. -113- "(i) By providing sequential temperature control of both heating and cooling capacity in each zone. "(ii) By limiting the heating energy input, through. automatic reset control of the heating medium temperature (or energy input rate), to only that necessary to offset heat loss due to transmission and infiltration and, where applicable, to heat the ventilation air supply to the space. "(b) Equipment Performance Requirements. The requirements of this section apply to equipment and component performance for heating, ventilating and air-conditioning systems. AThere equipment efficiency levels are specified, data furnished by the equipment supplier or certified under a nationally recognized certification program or rating procedure shall be used to satisfy these requirements. "1. System Equipment. Heating, ventilating and air-conditioning system equipment whose energy input in the cooling mode is entirely electric shall show a coefficient of performance (COP) and energy efficiency ratio (EER) not less than the values specified in Table No. 53-C_ These requirements apply to, but are not limited to, unitary cooling equipment (air and water source), packaged air conditioners, and room air conditioners. This paragraph does not apply to equipment used in areas having open refrigerated food display cases. -112- "Heat-operated cooling equipment shall show a coefficient of performance (COP) in the cooling mode not less than the values specified in Table No. 53-D. These requirements apply to, but aze not Limited to, absorption, engine-driven and turbine-driven. equipment .. The coefficient of performance (COP) is determined excluding the electrical auxiliary inputs. '°2. System Components. Heating, ventilating and air-conditioning system components whose energy input in the cooling mode is entirely electric shall show a coefficient of performance (COP) and energy efficiency ratio (EER) not less than the values specified in Table No. 53-E. "3. Heat Pumps. Heat pumps whose energy input ° is entirely electric shall show a coefficient of performance ~- (COP), heating, not less than the values specified in Table No .. 53-F.. "4_ Supplementary Heater. The heat pump shall be installed with a control to prevent supplementary heater operation when the heating load can be met by the heat pump alone. "Supplementary heater operation is permitted. during. transient periods, such as start-ups, following room thermostat set-point advance and during defrost. -113- "A two-stage room thermostat which controls the supplementary heat in its second stage shall be accepted as meeting this requirement. The cut-on temperature for the compression heating shall be higher than the cut-on temperature for the supplementary heat, and the cut-off temperature for the compression heating shall be higher than the cutroff temperature for the supplementary heat. Supplementary heat may be derived from any source of electric resistance heating or combustion heating. "5. Combustion Heating Equipment. Ali gas and oil-fired comfort heating equipment shall show a minimum combustion efficiency of 75 percent at maximum rated output. Combustion efficiency shall be determined in accordance •Hith acceptable engineering principles. "(c) Insulation of Ducts_ A11 duct systems or portions thereof,. exposed to nonconditioned spaces shall be insulated in accordance with section 1713(d) of this code. "WARM AIR HEATING, VENTILATING AND AIR-CONDITIONING SYSTEMS IN ONE- AND TWO-FAMILY DWELLINGS (GROUP 2, DIVISION 3 OCCUPANCIES). "Section 5305. Insulation of Ducts_ All duct systems, or portions thereof, exposed to nonconditioned spaces shall. be insulated in accordance with section 1713(d) of this code... -114- "SYSTEMS CONTROLS (ALL OCCUPANCIES). "Section 5306. Systems Controls. All heating, ventilating and air-conditioning systems shall be provided controls fnr all occupancies: as specified herein.. "1. Temperature. Each heating, ventilating and air-conditioning system shall be provided with at least one thermostat for the. regulation of temperature.. Each thermostat shall be capable of being set from 55°F. to 75°F. where used to control heating only and from 70°F. to 85°F. where used to control cooling only. Where used to control both heating and cooling, it shall be capable of being set from 55°F. to 85°F. and shall be capable of operating the system heating and cooling in sequence. It shall be adjustable to provide a temperature range of up to 10°F. between full heating and full r cooling, except as allowed, in section 5304(a)3H. "2_ Humidity.. If a heating, ventilating and air-conditioning system is equipped with a means for adding moisture to maintain specific selected relative humidities in spaces or zones, a humidistat shall. be provided. This device shall be capable of being set to prevent new energy from being used. to produce space relative humidity above 30 percent relative humidity. Where a humidistat is used in a heating, ventilating and air-conditioning system for controlling moisture removal to maintain specific selected relative humidities in spaces or zones, it shall be capable of being set to prevent new energy from being used to produce a space relative humidity below 60 percent. -115- !~ ~, "3. Temperature Zoning. In all Group R, Division 3 Occupancies, at least one thermostat for regulation of space temperature shall be provided for each separate heating, ventilating and air-conditioning system In addition, a readily accessible manual or automatic means shall be provided to partially restrict or shut off the heating or cooling input to each zone or floor, excluding unheated or uncooled basements and garages. "In all Group R, Division 1 Occupancies, each individual Swelling unit shall be considered separately and shall meet the above requirements for Group R, Division 3 Occupancies. "In all buildings and structures, or portions thereof, other than Group R, Division 3 Occupancies, and in spaces other than dwelling units in Group R, Division 1 Occupancies, at least one thermostat for regulation of space temperature shall be provided for each separate heating, ventilating and air-conditioning system and for each floor of the building.. "4. Setback and Shut Off. In all Group R, Division 3 Occupancies, the thermostat, or an alternate means such as a switch or a clock, shall provide a readily accessible manual or automatic means for reducing the energy required for heating and cooling during periods of nonuse or reduced need. -116- "In all other buildings and structures, or portions thereof, each heating, ventilating and air-conditioning system shall be equipped with a readily accessible means of reducing the energy used for heating, ventilating and air-conditioning during periods of nonuse or alternate uses of the building spaces or zones served by the system, such as with manually adjustable automatic timing devices, manual 3evices for use by operating personnel, or automatic control systems. "Lowering thermostat set points to reduce energy consumption of heating systems shall not cause energy to be expended to reach the reduced setting. "PIPING FOR STEP,t~l AND HOT WATER HEATING SYSTEMS. "Section 5307. Piping Insulation_ All piping serving as part of a heating or cooling system installed to serve buildings and within buildings shall be thermally insulated as shown in Table No .. 53-G. "Insulation thicknesses are based on insulation having thermal resistance in the range of 4.0 to 4.6 per inch of thickness on a flat surface at a mean temperature of 75°F. Minimum insulation thickness shall be increased for materials having R values less than 4.0 or may be reduced for materials having R values greater than 4.6 per inch of thickness as follows: .x+r -117- "1. For materials with thermal resistance greater than R = 4.6, the minimum insulation thickness may be determined as follows: 4.6 x Table No .- 16-8G Thickness: Actual R = New Minimum Thickness "2. For materials with thermal resistance less- than R = 4.0, the minimum. insulation thickness shall be determined as follows: 4.0 x Table No. 16-8G Thickness Actual R = New Minimum 'T'hickness "EXCEPTIONS: Piping insulation, except when needed to prevent condensation, is not required in any of the following cases:. "1. Piping installed within heating, ventilating and air-conditioning equipment. "2. Piping operating at internal temperatures between 55°F. and 120°F. "3. When the heat loss or heat gain of the piping, without insulation, does not increase the energy requirements of the- building. "4. Piping installed in basements, cellars or unventilated crawl space with insulated walls in Group R, Division 3 Occupancies "Where required to prevent condensation, insulation with vapor barriers shall be installed in addition to insulation required above. -118- "CONSERVATION OF HOT WATER. - "Section 5308. (a). Showers. Showers used for other than safety reasons shall be equipped. with flow control devices to Limit total flow to a maximum of 3.gpm per shower head. "(b) Lavatories. Lavatories with hot water supplies in restrooms, of other than dwelling units in Group R Occupancies shall: "l. Be equipped with outlet devices which limit the flow of hot water to a maximum of 0.5 gpm, or "2_ Be equipped with devices which limit the outlet temperature to a maximum of 110°F., or "3. be equipped with self-closing valves that limit delivery to a maximum of 0.25 gallons of hot water. "(c) Piping Insulation. Piping in return circulation. systems shall be insulated so that heat loss is limited to a maximum of 25 Btu/h per square foot of external pipe surface for aboveground piping and a maximum of 35 Btu/h per square. foot of external pipe surface for underground piping.. Maximum heat loss shall be determined at a temperature differential equal to the maximum water temperature minus a design ambient temperature not higher than 65°F. "EXCEP'I'ION~ Conformance with Table No. 53-G for low temperature piping systems- shall be deemed as complying with this section. r' -119- "(d) Pump Operation. Circulating hot water systems shall be arranged so that the circulating pump can be turned off either automatically or manually when the hot water system is not in operation.. "(e) Performance Efficiency. All automatic electric storage water heaters shall have a stand-by loss not exceeding 4 watts per square foot of tank surface area. This method of test of stand-by loss shall be in accordance with acceptable engineering principles. "All gas and oil-fired automatic storage heaters shall have a recovery efficiency, Er, not less than 75 percent and a stand-by loss percentage, S, not exceeding S = 2.3 + 67/V, where V = rated volume in gallons. The method of determining Er and S shall be in accordance with acceptable engineering principles.. "Service water heating equipment shall not be dependent on year-round operation of space heating boilers, that is, boilers that have as another function winter space heating. "(f) Insulation. Unfired hot water storage tanks shall be insulated so that heat Loss is limited to a maximum of 15 Btu/h per square foot of external tank. surface area. For purposes of determining this heat loss., the design ambient temperature shall be not higher than 65°F. !.~ -120- "CONTROLS. L "Section 5309. (a) Temperature Controls. All hot water supply systems shall be equipped with automatic temperature controls capable:of adjustments from the lowest to the: highest acceptable temperature settings for the intended use. "(b) Shut Down. A separate switch shall be provided to terminate the energy supplied to electric hot water supply systems. A separate valve shall be provided to turn off the energy supplied to the main burner of all other types of hot water supply systems. "ARTIFICIAL LIGHT. "Section 5310. Lighting Power Limit for Buildings. "(a) Genera i. This section establishes the maximum (~ power limit for interior' and exterior illumination systems. "(b) Exempt Buildings. Buildings in Group R-3 Occupancy, and the dwelling unit portion of Group R-1 Occupancy are exempt from the requirements of this section. "(c) Lighting Power Limit. A lighting power limit is the• upper limit of the power to be available to provide the Lighting needs of a building. "(d) Separate- Lighting power limit shall be calculated for the building interior and for the building exterior. -121- f "(e) Calculation Procedure. To establish a lighting power limit the following procedure shall be used: "1. Interiors.. "A.. Determine the use categories for the various parts of the building from Table 53-I_ "B. Multiply the maximum power limit for each category by the gross floor area included in that category. "C. Add the total watts for each area to arrive at the lighting power limit for the building. ~Phere ballasts are used, include wattage of ballasts. "D. In open-concept spaces in excess of 2,000 sq. ft_, with no defined egress or circulation pattern, 25 percent of the area shall be designated as category B. "2. Exteriors. "A. Category E Lighting (See Table 53-I) - Multiply the Limit given in Table 53-I by the number of lineal feet in the building perimeter. Except for lighting required for security and safety, category E lighting shall be off from 2:00 a.m. to fifteen minutes before sunset. "B. Other Exterior Lighting - Multiply the value in category F in Table 53-i by the area to be illuminated. "EXCEPTION: Lighting for theatrical, television, cleanrooms, spectator sports and like performances shall not be included in the total building limit.. Control of this lighting shall have limited access. -122- "(f) Alternates. "1. The installed lighting power for any area may be increased or decreased from the values of Table 53-i provided the total interior building lighting power limit calculated in section 5310(e) is not exceeded. The task lighting for any area shall not exceed the standards set forth in the 1981 edition of the Illuminating Engineering Society (IES) Handbook. "2. Lighting for retail stores may use 5 watts per square foot for the first 500 square feet and 2.5 watts per square foot for floor area in excess of .500 square feet. "(g) Lighting Switching. In all exterior areas, lighting fixtures shall be switched automatically for non-operation when natural light is available. "(h) Documentation. Lighting power loads shall be presented to the building official in an acceptable format and shall include the total connected Lighting wattage per square foot for the entire structure. "(i) Application. to Existing Buildings. "1. General. The provisions of this section shall apply to all existing buildings. and structures with a gross floor area in. excess of 10,000 square feet. "2. Exempt Buildings and Lighting. The following are exempt from the provisions of this section: '~ -123- "A. Buildings in Groups R-3 Occupancy and the dwelling unit portion of Group R-1 Occupancy. "B. The manufacturing portion of industrial plants. "C. Exterior lightinq~ provided that section 5310(g) shall apply to exterior lighting for existing buildings or portions of existing buildings not exempt under subsections (i)2.A, and (i)2.B. above. "3. Existing Buildings. For the purposes of this section, existing buildings are 3efined as under section 403 of this code. "4. Calculation Procedure. Lighting power limit for existing buildings shall be established following the procedure ~' set forth in section 5310(e). "5_ Alternates_ The alternates set forth in section 5310(f) shall be applicable to existing buildings. "6. Documentation.. Lighting power Loads shall be presented to the building official in an acceptable format and shall include the total connected Lighting wattage per square foot for the portion of a structure under consideration. "ENERGY CONSERVATION IN ELECTRSCAL DISTRIBUTION SYSTEMS. "Section 5311. (a) Power Factor.. The power factor of the overall electrical distribution system in a building shall be not less than 90 percent under rated design installed a,:~ -124- load of the building, either by utilizing equipment design or by the use of power factor corrective 3evices. The corrective methods shall be based upon an engineering evaluation of each distribution system. "(}~) Lighting Switching... Switching shall be provided £or each Lighting circuit, or for portions of each circuit so that the partial lighting required for custodial or for effective complementary use with natural lighting may be operated selectively. ~Ti "TABLE NO. 53-A - CRITERIA FOR GROUP R OCCUPANCY BUILDING THREE (3) STORIES OR LESS IN EiEIGHT ELEMENT MODE Uo Walls Cooling 0.47 Roof/Ceiling Heating & 0.06 * Roof w/o Ceiling Cooling 0.15 Floors Over Unheated Spaces Heating ~ Cooling 0.47 *Use this when a ceiling air plenum is involved. "TABLE NO. 53-B - CRITERIA FOR BUILDINGS OTHER THAN GROUP R OCCUPANCY THREE (3) STORIES OR LESS IN HEIGHT ELEMENT MODE Uo OTTV Heating 0•.47 lls W : a Cooling 28..5 Roof/Ceiling Heating 0.06 & ,~ Roof w/o Ceiling Cooling 0.15 Floors- Over Heating 0..36 Unheated Spaces ~- *Use this when a ceiling air plenum ~5 ~~.~~~~=u- -125- "TABLE NO. 53-C - MIDIIMUM EER AND COP FOR ELECTRIC HEATING, VENTILATING AND AIR-CONDITIONING SYSTEM EQUIPMENT STANDARD RATING CAPACITY EER COP Under 65,000 BTU/hr (1.9,050 watts) 6.1 1.8 65,000 BTU/hr (19,050 watts) and over 6.8 2.0 "TABLE. NO .. 53-D - MINIMUM COP FOR HEATING, VENTILATING P.ND AIR-CONDIT TONING SYSTEM HEAT OPERATED. COOLING EQUIPMENT HEAT SOURCE MINIMU[d COP Direct fired (gas, oil) 0.40 Indirect fired (steam, hot water) 0.65 "TABLE NO. 53-E - PflINIMUM COP FOR ELECTRICALLY DRIVEN HEAPING, VENTILATING AND AIR-CONDITIONING SYSTEM COMPONENTS CONDENSING AIR WATER EVAPO RATOR COMPONEL~IT MEANS EER COP EER COP EER COP Centrifu al 7.5 2.2 12.9 3.8 Self-contained Positive Water Chillers Dis lacement 7.2 2.1 10.9 3.2 Condenserless Positive ater Chillers Dis lacement 8.9 2.6 10.9 3.2 Compressor and Condenser Units 65,000 BTU/hr Positive (19,050 watts) Displacement 7.8 2.3 11.3 3.3 11.3 3.3 and. over "TABLE NO. 53-F - MINIMUM COP FOR HEAT PUMPS, HEATING MODE ~...! SOURCE AND OUTDOOR TEMPERATURE (°F.) MINIMUM COP Air Source - 47 dB/43WB 2.2 it Source - 17 dB/LSWB 1.2 Water Source - 60 Entering 2.2 -126- "TABLE NO. 53-G - MINIMUM PIPE INSULATION INSULATION THICKNESS IN INCITES. FOR PIPE SIZES Fluid Run- Temp.. outs 1" L 1/4 2 1/2 5" Piping System Range, Up to and to to & 8" & es P. 2" Less 2" 4" 6" Lar er Heating Systems Steam. & Hot Water High Pressure/Temp 306-450 L 1/2 1 1/2 2 2 1/2 3 1/2 3 1/2 Med.. Pressure/Temp 251-305 1 1/2 1 1/2 2 2 1/2 3 3 Low Pressure/Temp 201-250 1 1 1 1/2 1 1/2 2 2 Low Temperature 120-200 1/2 3/4 1 1 L 1 1/2 Steam Condensate (for Feed Water) Any 1 1 1 1 1/2 1 1/2 2 Coolin S stems ' Chilled Water, 40-55 1/2 1/2 3/4 1 1 1 Refrigerant or Brine Below 40 1 L 1 1/2 1 1 2 1 1/2 1 1/2 "TABLE NO. 53-H - TEMPERATURE DIFFERENCE FOR SUNLIT WALLS* WALL. CONSTRUCT ION `MASS PER UNIT AREA - 1bs/ft2 TD -°F EQ 0 - 25 44 25 - 40 37 41 - 70 30 71 and above 23 ~'remperature airrerence ror snaaed areas need be no greater than the average difference between ambient and inside conditions.. -127- "TABLE NO. 53-I - LIGHTING LIMIT (CONNECTED IIJAD) FOR LISTED OCCUPANCIES MAX_ LIMIT PER SQ. FT. TYPE OF USE (WATTS) INTERIOR Category Ax 3 Classroom, office,. automotive, mechanical area., museum, conference room, drafting, clerical, laboratory, retail stores, manufacturing, process, industrial, kitchen, examining room, open library stacks, athletic facility Category B: 1 Auditorium, place of assembly, waiting area, spectator area, restroom, dining, working corridor in prison and hospital, transportation terminal, closed book stacks, active storage, hospital bedroom, hotel/motel bedroom, enclosed shopping mall concourse Category C: .5 Corridor, lobby, elevator, stairway, dead storage, bulk manufacturing Category D: .25 Indoor parking EXTERIOR Category E; 5 (per linear Building perimeter: wall-wash, foot) facade, canopy Category Fz 0.05 Outdoor pazking -128- Section 5-140. Amending section 5405. Section 5405 is amended to read as follows: "Section. 5405. Louvered Windows. Regular plate, sheet or patterned glass. in jalousies and louvered windows shall be no thinner than nominal 7/32 inch and no Longer than 36 inches. When other glass types are used, design shall be submitted to the building. official for approval. Exposed glass edges shall be smooth. Wired-glass with wire exposed on longitudinal edges shall not be used in jalousies or louvered windows." Section 5-141. Amending Table No. 54-C. Table No. 54-C is amended by amending the entries in the right hand column under "over 50 Sq. Ft." for "Minimum Frame Lap" and "Minimum Glass Frame Lap" to read "3/8" "_ Section 5-142. Adding chapter 57. Appendix, chapter 57 - REGULATIONS GOVERNING FALLOUT SHELTERS, Uniform Building code, 1982 Edition, is by reference incorporated herein and made a part of this code. Section 5-143. Amending section 6001. Section 6001 is amended by adding a second paragraph to read as follows: "Wherever the Uniform Building code Standards are referred to as the standard in this code, compliance with the current codes and standards of the National Fire Protection Association will be equivalent to meeting the Uniform Building code Standards." -129- Section 5-144. Priding chapter 61. Chapter 61 is added to read as follows: "CHAPTER 61 - FACTORY BUILT HOUSING "Section 6101. Applicability These provisions are applicable. to the design, construction,. installation and transportation of factory built housing (FBH) within the County of Hawaii. Unless otherwise specified this Chapter shall be applicable only to FBH which is sold or offered for sale to first users as define3 below. All provisions of the Building, Housing, Electrical and Plumbing Codes shall be applicable. unless indicated otherwise in this Chapter. "Section 6102. Definitions. C J "(a) "Factory built housing" means any structure or portion thereof designed primarily for residential occupancy by human beings, which is either entirely prefabricated or assembled at a place other than the building site. "(b) "First user" means a person, firm, or corporation who initially installs FBH within this State. A person who subsequently purchases an installed FBH is not a first user within the meaning of this definition. "(c) "Installation" means the assembly of FBH on site and the process of affixing FBH to land, a foundation or an existing building. -130- "(d) "Insignia. of approval" means a tag, tab, stamp, label or other device issued by the Building Official to indicate compliance with the statutes and these rules. "(e) "Manufacture" means the process of making, fabricating, constructing, forming or assemhling a product from raw, unfinished or semi-finished materials to produce FBH. "(f) "Site" is the parcel of land on which FBH is installed. "Section 6103. Building Permit Required. No person shall install FBH or cause the foregoing to be done without first obtaining a building permit from the building official for each FBH. "Section 6104.. Building Permit Fee. A fee for each building permit as set forth in Table No. 3-A shall be paid to the building official. The fee shall be based on the valuation of the building in place complete including the cost of carport, fences, walls, etc. "Section 6105. Insignia of Approval. "(a) FBH manufactured in this County which is so13 or offered for sale to first users within this County shall bear the: insignia. of approval issued by the. building official indicating that the FBH is in compliance with this Chapter. "(b) FBH manufactured outside the County shall bear the insignia of approval issued by any governmental or inspectional agency approved by the building official. -131- "Section 6106. Performance of Plumbing and Electrical Work. All electrical and plumbing work to be performed at the factory must be accomplished: "(a) By licensed electricians or plumbers, respectively, o£ the County in which the factory is located, if the manufacturer does not. submit a quality control manual which is approved by the building official; or "(b) Under the supervision of a licensed supervising electrician or master plumber, respectively, of the County in which the factory is located, if the manufacturer submits a quality control manual which is approved by the building official.. "Section 6107. Plans and Specifications. "(a) For each model of FBH 3 sets of plans and specifications shall be submitted and approval obtained prior to fabrication. "(b) With each application for a building permit, 3 sets of installation plans and specifications including the plot plan shall be submitted. "Section 6108.. Inspections.. The building official shall make periodic in-plant inspections to verify that the FBH produced comply with the plans as approved by the building official... "Section 6109. Transporting FBH. "(a) The transportation of FBH shall be governed by the provisions o£ the County and State Traffic Codes." -132- Section 5-145. read as follows: Adding chapter 62. Chapter 62 is added to "CHAPTER 62 - THATCHED MATERIAL ON EXTERIOR OF BUILDINGS; PROTECTOR AGAINST EXPOSURE FIRES "Section 6201. Applicability. Thatched material on the exterior of buildings shall be permitted only upon buildings located in areas zoned for resort uses which primarily service the tourist trade when approved by the building official. "The thatched material permitted in this article shall be use3 for decorative purposes on the roof or wall of buildings. The building, independent of the thatched material, shall comply with all applicable provisions of this chapter. "D711en thatched material is used as permitted in this article, and an appropriate permit is obtained therefor in accordance with article I of this chapter, outside sprinklers for protection against exposure fires shall be required as hereinafter provided. "Section 6202. General. (a) Thatched materials used on the roof of a building shall be protected by manually operated sprinkler heads, with adequate- water supply, pipe size and sprinkler head. spacing in accordance with sprinkler system requirements set forth in this article. "(b) Thatched materials used on the wall of a building shall be protected by manually operated outside sprinklers. Size and spacing of sprinklers and pipe size shall -133- be in accordance with chapter 6, Outside Sprinklers for Protection Against Exposure Fires, of the National Fire codes of the National Fire Protection Association. Controls shall be as set forth in this article« "Section 6203. Sprinkler Requirements. (a) General. Sprinklers: shall be located at the high point of the roof. Upright or pendant sprinklers shall be used for gable roofs. Sidewall sprinklers shall be used for shed roofs. "(b) Spacing of Sprinklers. The maximum width of roof with one row of sprinklers shall be as follows: Roof Slope Orifice Size Width of Roof 1:3 or 3reater 3/8" 15' " " " 1/2" 20' " 17/32" 25' Less than 1:3 3/8" 10' " " " 1/2" 15' " 17/32" 20' "Maximum spacing of sprinklers on branch lines (along ridge) shall be as follows: 3/8-inch orifice - 6 feet; 1/2-inch orifice - 8 feet; 1.7/32-inch orifice - LO feet. "Conical roofs may be protected. with one sprinkler at the apex if the diameter of the roof does not exceed the width of roof referred to in this section. "Where the width of a roof exceeds the width allowed for one row of sprinklers, as provided in the table in this section, two or more rows of sprinklers shall be required. The rows of sprinklers shall be placed such that the entire roof area is protected.. '~.a+ -134- "(c) Areas Protected. Each area (zone) of thatched material that is separated from another thatched area by an open space of 20 feet or more or by incombustible construction of 20 feet or more shall be considered a separate area (zone). "Risers to each separate zone shall not be less than that shown is subsection (e), except as modified. as follows: "1. More than one zone may be protected by one valve, if the supply is adequate. "2. If one area (zone) is larger than can be protected with the existing supply, the zones can be subdivided into subzones if the following criteria are met: An area of at least 800 square feet is protected by a subzone control valve; ~ there is at Least a 10 percent overlap in coverage of adjoining subzones; and operation of the manual control valves will automatically transmit an alarm to the fire department.. "(d) Water Supply. The sprinkling system shall have a separate connection to the water main in the street, to an approved automatic fire-extinguishing system supply Line, to a wet standpipe supply line, or to a domestic supply of adequate size The water supply required shall be determined from either of the following: "l~ E1ow per sprinkler for the largest zone, with residual pressure at the highest sprinkler at 15 pounds per square inch with all heads operating, shall be as follows: '~ -135- Orifice Size Gallons Per Minute 3/S" 15 1/ 2" 20 17/32" 25 "2, The flow shall be hydraulically calculated so as to discharge at least 0.11 'gallons per minute per square foot or surface area to: be sprinklered_ "(e) Riser and Pipe Size. Pipe sizes shall be determined from the flow as calculated in subsection (d). However, no pipe less than one inch in size shall be used. The following table may be used in conjunction with this flow calculation for the selection of pipe or riser sizes: Orifice Size Pipe or Riser Size 1" 1-1/4" 1-1/2" 2" No. of Sprinklers 2-1/2" 3" 3-1/2" 4" ~, 3/8" 3 4 7 11 21 37 40 40 1/ 2" 2 3 5 8 15 27 40 40 17/32" 1 2 4 6 11 19 30 38 "(f) Number of Sprinklers Served. The number of sprinklers on a branch line shall not exceed six. Center feet shall be u sed for six or more sprinklers. The number of sprinklers under control of each control valve shall not exceed forty_ At the location of each valve, there shall be a drain connection and a 1/4-inch valve outlet test connection to accommodate pressure gauge.. "(g) Material Installed Above Grade. Piping shall be galvanized steel schedule 40 with galvanized malleable iron fittings or hard drawn copper with silver solder fittings. Pipes shall be securely fastened to the structure. -136- "Valves shall be the manual type approved and ,' listed by the Underwriters' Laboratories or by other approved testing agencies. Valves shall be installed outdoors and so located as to be readily accessible in case. of fire. Signs indicating the use of valves shall be conspicuously posted. "(h) Local Alarm. Any one system with 20 or more sprinklers under control of one valve shall be complemented with a local fire alarm, either electrically or mechanically operated." SECTION 3. Severability. If any provision of this V.. ordinance or the circumstances is other provisions given effect wit to this end, the be severable. application thereof to any person or held invalid, such invalidity shall not affect or applications of the ordinance which can be pout the invalid provision or application, and provisions of this ordinance are declared to SECTION 4. This ordinance shall take effect 60 days after its approval. Hilo, Hawaii Date of Introduction: Date of Adoption: Effective Date: November 7, 1984 January 19, 1985 -137-