ORD 1997-026 1996-1998 - Laserfiche WebLink

Home

(B) Exceptions. (i) Desien load calculations need not be submitted for new. individually ~errnitted, cooline svsterns of less than 65,000 Btu/hr capacity that provide less than 37 Btu/hr of installed capacity per square foot of conditioned floor area. Cti) Desien load calculations need not be submitted when existing coolin¢ equipment is replaced with equipment of equal or less capacity." SECTION 13. Section 5-2.9.3.(8) of the Hawaii County Code 1983 (1995 Edition) relating to Materials and Construction is hereby amended so that Table 9-1 relating to Minimum Pipe Insulation reads as follows: Table 9-1 Minimltln Pipe Insulation (Inches). Insulation Conductivity Nominal Pipe Dlsmeter (inches) Fluid Design Mesn Operating Temp., Cond. Range, Rating Runouts° 1 and Sand Range °F Btu • inlh • tt' - °F Temp.,° up to 2 less 1.25 to 2 2.5 to 4 5 and 6 up F Heating Sysums (Steam, Steam Cottdensate, and Hot Water) Above 350 0.32-0.34 250 1.5 2.5 2.5 3.0 3.5 3.5 251-350 0.29-0.31 200 1.5 2.0 2.5 2.5 3.5 3.5 201-250 0.27--0.30 150 1.0 1.5 1.5 2.0 2.0 3.5 141-200 0.25--0.29 125 0.5 1.5 1.5 1.5 1.5 1.5 105-140 0.24--0.28 100 0.5 1.0 1.0 1.0 1.5 1.5 Domestic and Service Hot Water` 105 and greater 0.24-0.28 100 0.5 1.0 1.0 1.5 I.5 1.5 Cooling Systems (Chilled Water. Brine and Refrigerant)° 40-55 0.23---0.27 75 0.5 0.5 0.75 1.0 1.0 1.0 Below 40 0.23--0.27 75 1.0 1.0 1.5 1.5 1.5 1.5 Notes: a. For minimum thicknesses of alternative insulation types, see section 5-2.9.3(8)(2). b. Runouts to individual terminal units no[ exceeding 12 feet in length. c. Applies to recirculatiou sections of service or domestic hot water sysums and fast 8 feet of hnr wa •r n~ning tiom smrage tank for nonrecirculating systems. d. The required minimum thicknesses do not consider water vapor transmission and condensation. Additional insulation and/or vapor retarders may be required to limit water vapor uaasmission and condensation. 13