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RTU <br />1 <br />RTU <br />2 <br />RTU <br />3 <br />RTU <br />4 <br />2-1/2" GAS RISE UP EXTERIOR <br />BLDG. WALL W/ UNI-STRUT <br />EVERY 10/FT O.C. <br />- CONTINUE ON ROOF. <br />GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS <br />GA <br />S <br />GAS <br />1" GAS <br />98 CFH <br />1" GAS <br />8 in. w.c. <br />117 CFH <br />1-1/2" GAS <br />8 in. w.c. <br />1452 CFH <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />GASGASGAS <br />GA <br />S <br />GASGASGASGAS <br />GASGASGASGAS <br />2" GAS <br />low pressure <br />1335 CFH <br />2" GAS DOWN <br />low pressure <br />793 CFH <br />1"GPRV <br />1 <br />TDL=30' <br />1" GAS <br />8 in. w.c. <br />117 CFH <br />2" GAS <br />8 in. w.c. <br />1569 CFH <br />1"GPRV <br />1 <br />TDL=70' <br />2-1/2" GAS <br />8 in. w.c. <br />2362 CFH <br />2-1/2" GAS <br />8 in. w.c. <br />2460 CFH <br />1" GAS DOWN <br />8 in. w.c. <br />300 CFH <br />GA <br />S <br />GA <br />S <br />GA <br />S <br />1" GAS <br />8 in. w.c. <br />300 CFH <br />1-1/4" GAS <br />8 in. w.c. <br />398 CFH <br />3/4" GAS <br />8 in. w.c. <br />98 CFH <br />2-1/2" GAS <br />8 in. w.c. <br />2858 CFH <br />RR <br />3/4" COLD WATER STUB AND <br />HOSE BIBB FURNISHED AND <br />INSTALLED BY P.C.. VERIFY <br />EXACT LOCATION IN THE FIELD <br />DRAIN AND OVERFLOW <br />BY PLBG CONTRACTOR <br />PLUMBING CONTRACTOR TO <br />PIPE OVERFLOW, DUMP DRAIN <br />AND MAKE-UP TO GAS COOLER <br />REFRIGERATION GAS COOLER <br />SEE REFRIGERATION DWG <br />SHEET R8.0 FOR ADDT'L INFO. <br />6 5 <br />PLUMBING CONTRACTOR TO PIPE <br />3/4" WATER CONN. TO 3/4" FPT <br />MAKE-UP TO GAS COOLER <br />REFER TO SHEET R8.0 <br />FOR ADDITIONAL INFORMATION <br />7 <br />23XX <br />26575 Ruether Ave 2nd floor <br />CH <br />A <br />R <br />C <br />Santa Clarita, CA 91350 <br />661.383.2352 - 818.919.2248 <br />PLUMBING ROOF PLAN <br />SHEET NOTES: <br />REFER TO PLUMBING LEAD SHEETS FOR LEGENDS, ABBREVIATIONS AND GENERAL NOTES. <br />PLUMBING VENT THRU ROOF OUTLETS SHALL TERMINATE NO LESS THAN 3 FEET FROM <br />PROPERTY LINE, 3 FEET FROM OPENINGS INTO BUILDING, AND 10 FEET FROM A FORCED <br />AIR INLET. <br />CONTRACTOR SHALL VISIT THE SITE, VERIFY SITE CONDITIONS, IDENTIFY ALL OBSTRUCTIONS, <br />EXACT ROUTING OF DUCTWORK SHALL BE CONTRACTORS RESPONSIBILITY. PROVIDE <br />REQUIRED TRANSITIONS DUCT FITTINGS ETC. TO AVOID ANY OBSTRUCTIONS. <br />KEYED NOTES: <br />1 <br />2 <br />3 <br />4 <br />PACKAGE GAS/ELECTRIC AC UNIT WITH ROOF CURB. <br />ROOF MOUNTED MAKE-UP AIR FAN. <br />ROOF MOUNTED EXHAUST FAN. <br />IT SHALL BE THE RESPONSIBILITY OF THE GENERAL CONTRACTOR TO VERIFY THAT THE <br />LOCATIONS FOR ALL MECHANICAL REQUIREMENTS WHICH REQUIRE ROOF PENETRATIONS <br />DO NOT CONFLICT WITH ANY STRUCTURAL MEMBERS. <br />THE GENERAL CONTRACTOR SHALL SUPERVISE THE LOCATION OF ALL THE EXISTING ROOF <br />DRAINS ON THE JOB SITE SO AS TO ENSURE PROPER ROOF STORM WATER DRAINAGE. <br />1" COND. DRAIN DN THRU ROOF W/ FLASHING - CONNECT TO HVAC EQUIPMENT ON ROOF <br />W/ 3" DEEP WET VENTED TRAP - EXTEND DRAIN PIPING BEL. ROOF @ 1% - DN. IN WALL - <br />SPILL INTO FLOOR SINK W/ 1" AIR GAP - EXTEND SECONDARY DRAIN 1" BEL. FINISH CLG. & <br />TERMINATE - VERIFY EXACT UNIT LOCATION AND DETAILS W/ HVAC DWG'S PRIOR TO <br />START OF ANY WORK. SEE SHEET P-4.0 FOR CONTINUATION. <br />GPRV #MAKE <br />GPRV #1 - 1"PIETRO <br />FIORENTINI <br />MODEL ORIFICE SIZE <br />30052OPD <br />FULL PORTED REGULATOR <br />(NO ORIFICES) <br />VENTLESS REGULATOR <br />SPRING PART <br />NUMBER <br />COLOR <br />BLACK 2 PSI <br />INLET <br />PRESSURE <br />PRESSURE <br />REGULATOR <br />SETTING <br />6.0" w.c.- <br />14.0" w.c. <br />GPRV SCHEDULE <br />STEP-DOWN MANIFOLD TO HAVE THE FOLLOWING: <br />1) MUST HAVE TWO FEET CLEARANCE FRONT AND SIDES <br />2) MUST BE INSTALLED IN A READILY ACCESSIBLE LOCATION. <br />3) MUST BE REACHED SAFELY NO MORE THAN APPROXIMATELY 48 INCHES <br /> OFF THE WORKING SURFACE. ATTIC INSTALLATIONS ARE UNACCEPTABLE. <br />REQUIREMENTS FOR NEW STEP-DOWN MANIFOLDS FOR <br />NON-RESIDENTIAL 2 PSIG, 5 PSIG AND ABOVE SYSTEMS <br />TEE <br />BALL VALVE <br />TEE <br />UNION <br />UNION <br />TEE <br />BALL VALVE <br />PLUG <br />1 <br />2" BALL <br />VALVE <br />REDUCER <br />PLUG <br />PLUG <br />1 <br />2" BALL <br />VALVE <br />1 <br />2" BALL <br />VALVE <br />REDUCER <br />REDUCER <br />REDUCER <br />1 <br />2" BALL <br />VALVE <br />PIETRO FIORENTINI <br />GOVERNOR OVER <br />PRESSURE DEVICE <br />(OPD) SEE GPRV <br />SCHEDULE FOR SIZE <br />& SEE GAS PLAN <br />FOR LOCATION <br />NOT TO <br />EXCEED 48" <br />NATUR <br />A <br />L <br />GAS F <br />L <br />O <br />W <br />NATUR <br />A <br />L <br />GAS F <br />L <br />O <br />W <br />DETAIL #1 - N.T.S. <br />STEP-DOWN GAS REGULATOR DETAIL <br />3. <br />1. <br />2. <br />4. <br />5. <br />ADDITIONAL PIPING NOTES:6. <br />a. ABS AND PVC PIPING EXPOSED TO SUNLIGHT SHALL BE PROTECTED BY WATER-BASED <br /> SYNTHETIC LATEX PAINTS. (CPC 906.1). <br />CONTRACTOR SHALL REFER TO REFRIGERATION DRAWINGS, PRIOR TO START OF ANY <br />WORK ON THE REFRIGERATION EQUIPMENT. SHALL ALSO REFER TO INSTALLATION AND <br />OPERATING MANUAL OF THE EQUIPMENT TO ENSURE PROPER PERFORMANCE. <br />CONTRACTOR SHALL PROVIDE AN APPROVED TYPE 3/4" LINE SIZE CHECK VALVE OR <br />BACKFLOW PROTECTION. SHALL FIELD VERIFY EXACT LOCATION. <br />5 <br />6 <br />ROOF RECEPTOR - ROUTE PIPING DOWN TO FLOOR BELOW AND CONTINUE TO SANITARY <br />SEWER LINE ON THE GROUND FLOOR LEVEL. <br />7 <br />LENGTH <br />(FEET)PIPE SIZE 3/4"1"1-1/4"1-1/2"2"2-1/2" <br />CAPACITY <br />(CFH)353 726 1090 2090 3340188200 <br />GAS PIPE CHART SIZING BASED ON <br />2022 CPC TABLE 1215.2(2) <br />3" <br />5900 <br />8.0 IN. W.C. INLET PRESSUREPIPE MATERIAL: <br />SCHEDULE 40 METALLIC <br />HOLD- 420 W 17th <br />St3/7/2025