BIL 025 Draft 02 1996-1998 - Laserfiche WebLink

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. . (B) Exce~tions. (i) Desim load calculations need not be submitted for new. individually permitted. coolin~ Systems of less than 65.000 Btu/hr caoacitv that provide less than 37 Btu/hr of installed capacitv per square foot of conditioned floor area. . (ii) Desif!!' load calculations need not be submitted when existine: cooling eq~ipment is replaced with equipment of equal or less capacity." SECTION 13. Section 5-2.9.3.(g) 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 Minimum Pipe Insulation (lnches)- Insulation Conductivity Nominal Pipe Diameter (Inches) Fluid Design Mean Operating Temp., Condo Range, RadDg Runoutsb land Sand Range OF Btu . inlb . ft3 . OF Temp., 0 upto2 less 1.25 to 2 2.S to 4 Sand' up F Heating Systems (Steam, Steam Condensate, 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 I.S Domestic and Service Hot Water 105 and greater 0.24-0.28 . 100 0.5 1.0 1.0 1.5 1.5 1.5 Cooling Systems (Chilled Water, Brine and Refrigerant)d 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 I.S Notes: a. For minimum thicknesses of alternative insulation types, see section 5-2.9.3(g)(2). b. Runouts to individual terminal units not exceeding 12 feet in length. c. Applies to recirculation sections of service or domestic hot water systems and first 8 feet of hot water piping from storage 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 transmission and condensation. 13