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<br />.' ** PRESCRIPTIVE MEASURES (Must be met or exeeded by all residences) ** <br /> <br />:OMPONENTS <br /> <br />SECTION <br /> <br />===============================================================:================ <br /> <br />REQUIREMENTS <br /> <br />NINDOWS <br /> <br />904.1 <br /> <br />------------------------------------------------------------------------------- <br />-------------------------------------------------------------------------------- <br /> <br />Maximum of 0.34 CFM per linear foot of operable sash <br />crack. <br /> <br />=.XTERIOR & <br />~DJACENT DOORS <br /> <br />904.1 <br /> <br />---------------------------------------------------------------.---------------- <br /> <br />Maximum of 0_5 CFM per sq. ft. of door area. Includes <br />sliding glass doors, solid core, wood panel, <br />insulated, or glass doors only. <br /> <br />--------~------------------------------------------------------.---------------- <br /> <br />~XTERIOR JOINTS 904.1 <br />~ CRACKS <br /> <br />To be caulked, gasketed, weather stripped or other- <br />wise sealed. <br /> <br />~ATER HEATERS <br /> <br />904.2 <br /> <br />------------------------------------------------------------------------------- <br /> <br />Must bear label indicating compliance w/ASHRAE stand- <br />ard 90 or comply with efficiency and standby loss re- <br />quirements. Switch or clearly marked circuit breaker <br />(electric), or cut-off (gas) must be provided. An <br />external or built in heat trap must b~~ provided. <br /> <br />3WIMMING POOLS <br />~ SPAS <br /> <br />904.3 <br /> <br />-----.-----------------------------------------------___________w________________ <br /> <br />Spas and heated pools must have covers (except solar <br />heated). Non-commercial pools must have a pump timer. <br />Gas spa & pool heaters must have minimum thermal <br />efficiency of 78 <br /> <br />,OT WATER <br />)IPES <br /> <br />904.4 <br /> <br />..------------------.--------------------------------------------------------------- <br /> <br />Insulation is required only for recirculating systems <br />In such cases, piping heat loss shall be limited to <br />17.5 BTU/H/Linear Ft. of pipe. <br /> <br />;HOWER HEADS <br /> <br />904.5 <br /> <br />-------------------------------------------------------------------------------- <br /> <br />Water flow must be restricted to no more than 3 gal- <br />lons per minute at 80 PSIG. <br /> <br />~VAC DUCT <br />:ONSTRUCTION <br /> <br />903.2 <br />904.6 <br /> <br />------------------------------------------------------------------------------- <br /> <br />Constructed in accordance with industry standards & <br />local mechanical codes. Ducts in unconditioned space <br />must be insulated to minimum R-4.2 & Joints must be <br />sealed. <br /> <br />1VAC CONTROLS <br /> <br />904.7 <br /> <br />~._--------------------------------------------------------------.--------------- <br /> <br />Separate readily accessible manual or automatic <br />thermostat for each system. <br /> <br />.NSULATION <br /> <br />904.9 <br /> <br />----------------------------------------------------- --------------------------- <br /> <br />Ceilings minimum R-19. Common Walls - Frame R-11 or <br />CBS R-3. Frame Common Ceilings & Floors R-11. <br />