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<br />Amending the 2006 IBC Section 2303.1.8 & <br />WEATHER RESISTIVE BARRIER: <br />27. <br />(30) Amending the 2006 IBC Section 2304.11 <br />IRC Sections R701.2, R703.2, R703.4 R703.8, <br />Pressure treated wood shall be used for those <br />R703.9.1. Products sensitive to adverse weather <br />portions of exposed wood members subject to <br />shall not be installed until adequate weather <br />wind driven rain, such as within a covered <br />protection for the installation is provided. Exterior <br />porch, that form the structural supports of <br />sheathing shall be dry before applying exterior <br />buildings, balconies, porches or similar <br />cover. The exterior wall envelope shall be <br />appurtenances, including all joists, beams, <br />designed and constructed to provide a water- <br />girders, decking and posts, poles and columns. <br />resistant barrier behind the exterior veneer. <br />Treatment must be applied by manufacturer, see <br />Asphalt- saturated felt or other approved weather <br />item #13 of this check-list. Ledger boards <br />resistant material such as house wrap, shall be <br />fastened to a wall shall be properly flashed and <br />applied over the sheathing of all exterior walls <br />positively connected. Where supported by <br />except where panel siding with shiplap joints or <br />attachment to an exterior wall, decks shall be <br />other approved weather resistive methods are <br />positively anchored to the primary structure <br />used. Such felt or house wrap material shall be <br />and designed for both vertical and lateral loads <br />applied horizontally, with the upper layer lapped <br />as applicable. Such attachment shall not be <br />over the lower layer not less than 2”. Approved <br />accomplished by the use of toe nails or nails <br />corrosion-resistive flashing shall be provided in all <br />subject to withdrawal. <br />exterior walls in such a manner as to prevent <br /> <br />WOOD TRUSSES: <br />31. IRC Section R502.11, <br />entry of water into the wall or the building structural <br />R802.10. Wood trusses shall be designed in <br />framing components. The flashing shall extend to <br />accordance with approved engineering practice. <br />the surface of the exterior wall finish and shall be <br />Engineering data and installation specifications, <br />installed to prevent water from reentering the <br />including the type of roofing to be used, shall be <br />exterior wall envelope. Approved corrosion- <br />available on site at framing inspection. Trusses <br />resistant flashings shall be installed at exterior <br />shall be supported laterally at points of bearing <br />window and door openings; at the intersection of <br />by solid blocking to prevent rotation and <br />chimneys or other masonry construction, with <br />lateral displacement, and braced in <br />frame or stucco walls, with projecting lips on both <br />accordance with the individual truss design <br />sides under stucco copings; under and at the ends <br />drawings. Truss members shall not be cut, <br />of masonry, wood or metal copings and sills; <br />notched, drilled, spliced or otherwise altered in <br />continuously above all projecting wood trim; where <br />any way without the specific approval of a <br />exterior porches, decks or stairs attach to a <br />registered design professional (structural <br />wall or floor assembly of wood-frame construction; <br />calculations required). Alterations resulting in the <br />at wall and roof intersections; and at built-in <br />addition of load (e.g., HVAC equipment, water <br />gutters. <br />heaters, etc.) that exceed the design load shall <br /> <br />ANCHORED STONE AND MASONRY VENEER <br />28. : <br />not be permitted without specific engineering <br />ENGINEERING <br />IRC Section R301.2.2.3.2. * <br />justifying the design. <br />REQUIRED* <br />Buildings with anchored stone <br /> <br />RAFTERS: <br />32. IRC Section R802.3, R802.8 <br />and masonry veneer shall be <br />designed in <br />Rafters shall be framed to ridge board or to each <br />practice <br />accordance with accepted engineering <br />other with a gusset plate as a tie. The ridge <br />except where the masonry veneer has a <br />board shall be at least 1” nominal thickness, <br />maximum actual thickness of 3 inches as <br />and all valley or hip rafters shall be at least 2” <br />permitted within the limitations of IRC Section <br />nominal thickness. Rafter ties shall be placed <br />R703.7, Exception 2. <br />not more than 4’ on center. See IRC Tables <br /> <br />SIDING / EARTH SEPARATION: <br />29. IRC Section <br />802.5.1(1) through 802.5.1(8) for allowable <br />R319. Wood siding, sheathing and wall framing on <br />spans. When the depth–to-thickness ratio <br />the exterior of the building used within 6" of earth <br />exceeds 5 to 1 the roof rafters and ceiling joists <br />shall be pressure treated wood or wood of natural <br />shall be provided lateral support at points of <br />resistance to decay as identified in item #13 of this <br />bearing to prevent rotation. <br />checklist. <br /> <br />DECKS & EXTERIOR STAIRS: <br />30. IRC <br />RAFTER OPENINGS: <br />33. IRC Section R802.9. <br />Section R319, R502.2.2. & HCC 5-71 (28) <br />When the header joist span does not exceed 4’, <br />The County of Hawai‘i is an Equal Opportunity Provider and Employer <br /> <br /> <br />101 Pauahi Street, Suite 107 74-5044 Ane Keohoklole Hwy <br />ā <br />Hilo, Hawai‘i 96720 Kailua-Kona, Hawai’i 96740 <br /> <br />Tel: (808) 961-8331 Page 15 Tel: (808) 323-4720 <br /> <br />