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** PRESCRIPTIVE MEASURES (Must be met or exeeded by all residences) ** OMPONENTS --------------------------~~--------------------~------------------------------ -------------------------~~---------------------------------------------------- REQUIREMENTS SECTION INDOWS ---------------~-------------------------------------------------------------- -------------------------------------------------~---------------------------- 904.1 Maximum of 0.34 CFM per linear foot of operable sash crack. ---------------~-------------------------------------------------------------- XTERIOR & DJACENT DOORS 904.1 Maximum of 0.5 CFM per sq. ft. of door area. Includes sliding glass doors, solid core, wood panel, insulated, or glass doors only. ------------------------------------------------------------------------------ XTERIOR JOINTS 904.1 CRACKS To be caulked, gasketed, weather stripped or other- wise sealed. ATER HEATERS ------------------------------------------------------------------------------ 904.2 Must bear label indicating compliance w/ASHRAE stand- ard 90 or comply with efficiency and standby loss le- quirements. Switch or clearly marked circuit breaker (electric), or cut-off (gas) must be provided. An external or built in heat trap must be provided. ----------------------------------------~------------------------------------- WIMMING POOLS SPAS 904.3 Spas and heated pools must have covers (except solar heated). Non-commercial pools must have a pump timer. Gas spa & pool heaters must have minimum thermal efficiency of 78 .------------------------------------------------------------------------------ OT WATER IPES 904.4 Insulation is required only for recirculating systems In such cases, piping heat loss shall be limited to 17.5 BTU/H/Linear Ft. of pipe. ------------------------------------------------------------------------------ HOWER HEADS 904.5 Water flow must be restricted to no more than 3 gal- lons per minute at 80 PSIG. ------------------------------------------------------------------------------ VAC DUCT ONSTRUCTION 903.2 904.6 Constructed in accordance with industry standards & local mechanical codes. Ducts in unconditioned space must be insulated to minimum R-4.2 & Joints must be sealed. ----------~-----------------------------------------------------~-------------- VAC CONTROLS 904.7 Separate readily accessible manual or automatic thermostat for each system. ---------------------------------~-~----------~--~-----------~----~------~--~-- NSULATION 904.9 Ceilings minimum R-19. Common Walls ~ ,=rame R-11 or CBS R~3. Frame Common Ceilings & Floors R-11.