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WATER HAMMER ARRESTOR SCHEDULE FIXTURE UNIT TABULATION PIPE SIZE IN INCHES MAXIMUM SPAN BETWEEN SUPPORT HANGERS O.C.HANGER ROD DIAMETER SIZE MAX. LENGTH FOR RODS LONGITUDINAL ANGLE BRACE VERTICAL HANGER ANGLE (STIFFNER) TRANSVERSE ANGLE BRACE BOLT SIZE HORIZONTAL VERTICAL COPPER TUBE AND PIPE 1/2" AND 3/4"6'-0" 10'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.1-1/2 X 1-1/2 X 18 GA. AT 40'-0" O.C.3/8" 1' THRU 1-1/2"6'-0" 10'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.1-1/2 X 1-1/2 X 18 GA. AT 40'-0" O.C.3/8" 2"10'-0" 10'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.2-1/2 X 2-1/2 X 16 GA. AT 40'-0" O.C.3/8" STEEL PIPE FOR GAS 1/2" AND 3/4"6'-0" 6'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.1-1/2 X 1-1/2 X 18 GA. AT 40'-0" O.C.3/8" 1' THRU 1-1/2"8'-0" 8'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.1-1/2 X 1-1/2 X 18 GA. AT 40'-0" O.C.3/8" 2"10'-0" 10'-0" 3/8" 37"2-1/2 X 2-1/2 X 16 GA. AT 80'-0" O.C.1 X 1 X 18 GA.2-1/2 X 2-1/2 X 16 GA. AT 40'-0" O.C.3/8" SCHEDULE 40 PVC AND ABS DWV 1/2" AND 3/4"4'-0" 10'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.1-1/2 X 1-1/2 X 18 GA. AT 40'-0" O.C.3/8" 1' THRU 2"4'-0" 10'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.1-1/2 X 1-1/2 X 18 GA. AT 40'-0" O.C.3/8" CAST IRON HUBLESS (NO-HUB) 1-1/2" AND 2"15'-0" 3/8" 37"1-1/2 X 1-1/2 X 18 GA. AT 80'-0" O.C.1 X 1 X 18 GA.1-1/2 X 1-1/2 X 18 GA. AT 40'-0" O.C.3/8" 3" THRU 6"REFER TO SMACNA GUIDELINES IN SCHEDULE BELOW SUPPORT EVERY JOINT, SUPPORT SHALL BE WITHIN 18 INCHES OF JOINT ON BOTH SIDES. (SUPPORT ALSO REQUIRED AT EACH HORIZONTAL JOINT CONNECTION.) ALL PIPING 2-1/2" AND LARGER PER THE FOLLOWING SMACNA GUIDELINES 2-1/2"10'-0" 10'-0" 1/2" 25"2-1/2 X 2-1/2 X 16 GA. @ 80'-0" O.C.2 X 2 X 16 GA.2-1/2 X 2-1/2 X 16 GA. AT 40'-0" O.C.3/8" 3"10'-0" 10'-0" 1/2" 25"2-1/2 X 2-1/2 X 16 GA. @ 80'-0" O.C.2 X 2 X 16 GA.2-1/2 X 2-1/2 X 16 GA. AT 40'-0" O.C.3/8" 4"10'-0" 10'-0" 5/8" 31"2-1/2 X 2-1/2 X 16 GA. @ 80'-0" O.C.2 X 2 X 16 GA.2-1/2 X 2-1/2 X 16 GA. AT 40'-0" O.C.1/2" 5"10'-0" 10'-0" 5/8" 31"2-1/2 X 2-1/2 X 16 GA. @ 80'-0" O.C.2 X 2 X 16 GA.2-1/2 X 2-1/2 X 16 GA. AT 40'-0" O.C.1/2" 6"10'-0" 10'-0" 5/8" 37"2-1/2 X 2-1/2 X 16 GA. @ 80'-0" O.C.2 X 2 X 16 GA.2-1/2 X 2-1/2 X 16 GA. AT 40'-0" O.C.1/2" NOTES: 1. VERTICAL ANGLE ONLY REQUIRED WHEN ROD MAXIMUM LENGTH IS EXCEEDED. STIFFENER SHALL BE FULL LENGTH OF ROD LESS 2" ON EACH SIDE. 2. BRACING MAY BE OMITTED WHERE TOP OF PIPE IS 12" OR LESS FROM BOTTOM OF HANGER SUPPORT CONNECTED TO STRUCTURE. 3. ALLOW FOR EXPANSION EVERY 30'-0". 4. PROVIDE UPPER ATTACHMENT AS REQUIRED FOR CASES NOT SHOWN HERE. DO NOT INSTALL HANGER INSIDE INSULATION OR OTHERWISE PENETRATE VAPOR BARRIER. DO NOT HANG ONE PIPE FROM ANOTHER. TRAPEZE HANGERS MAY BE USED FOR MULTIPLE PARALLEL PIPES. HANGER SPACING FOR PIPE SIZE: COPPER: 4"=12', 3"=11', 2-1/2"=10', 2"=9'. 1-1/2"=8', 1-1/4"=7', 1"=6', 3/4"=6', 1/2"=5'. CAST IRON: 10' AND ONE NEAR ALL JOINTS. STEEL: 4"=14', 3"=12', 2-1/2"=11', 2"=10', 1-1/2"=9', 1"=7', 3/4"=6', 1/2"=5'. LOCATE HANGERS AS CLOSE AS POSSIBLE TO TURNS AND TEES OF PIPE. PROVIDE SUPPLEMENTARY STEEL STRUTS BETW EEN JOISTS IF REQUIRED. LOCATE HANGERS TO TAKE LOAD OFF EQUIPMENT CONNECTIONS. ANCHOR WATER PIPE AGAINST SWAYING DUE TO CHANGES IN WATER VELOCITY. PROVIDE SEISMIC BRACING AS REQUIRED. CHAIN OR PERFORATED STRAP IRON OR STEEL IS NOT ACCEPTABLE. PDI SIZE PIPE SIZE FIXTURE UNIT LOAD A 1/2" 1-11 B 3/4" 12-32 C 1" 33-60 D 1 1/4" 61-113 E 1 1/2" 114-154 F 2" 155-330 FIXTURE COLD HOT WATER CLOSET - VALVE 8 - WATER CLOSET - TANK 5 - URINAL - VALVE 4 - LAVATORY / SINK 1.5 1.5 SERVICE SINK 3 3 COMB. FIXTURE 3 3 FOR EQUIPMENT AND FIXTURES NOT LISTED ABOVE, SIZE IN ACCORDANCE WITH LOAD VALUES (WSFU) ASSIGN THE SAME. IN COMPLIANCE WITH PDI WH201-06 PIPE 2-1/2" O.D. AND LARGER PIPE 2" O.D. AND SMALLER INDIRECT DRAIN TO FLOOR SINK DETAIL VENT THROUGH ROOF DETAIL WALL CLEANOUT DETAILS FLUSH VALVE TRAP PRIMER MULTIPLE FIXTURESSINGLE FIXTURES FOR CONNECTION TO STRUCTURE SEE STRUCTURAL DRAWINGS LONGITUDINAL DIAGONAL ANGLE (SLOPE 1 TO 1). FOR SIZE AND SPACING. SEE SCHEDULE ALT. SIDES EACH BRACE. ATTACH BOLT. SEE SCHEDULE FOR SIZE "B-LINE" B327 SHORT ANGLE OR EQUAL INSULATION PER CEC TABLE 123-A TYPICAL PIPE. SEE PLAN FOR SIZE AND LOCATION HANGER ROD. ADD VERTICAL ANGLE STIFFENER IF LENGTH IS GREATER THAN MAX. LENGTH SHOWN ON PIPE SUPPORT SCHEDULE TRANSVERSE ANGLE BRACE. ALTERNATE SIDES EVERY BRACE PIPE SLEEVE WITH I.D. 1/4" LARGER THAN O.D OF BOLT "B-LINE" B3100 CLEVIS HANGER OR EQUAL. SEE SCHEDULE FOR SPACING "BLINE" B3162 OR EQUAL PIPE SADDLE FOR CONNECTION TO STRUCTURE SEE STRUCTURAL DRAWINGS THREADED HANGER ROD. ADD VERTICAL ANGLE STIFFENER IF LENGTH IS GREATER THAN MAX. LENGTH SHOWN ON PIPE SUPPORT SCHEDULE. NUT AND WASHER TOP AND BOTTOM TRANSVERSE ANGLE BRACE. ALTERNATE SIDES EVERY BRACE STIFFENER SHALL BE SPOT WELDED. "BLINE" B3162 OR EQUAL PIPE SADDLE INSULATION PER CEC TABLE 123-A TYPICAL PIPE. SEE PLAN FOR SIZE AND LOCATION "B-LINE" - B3690 ADJUSTABLE "J" HANGER 1 23 4 5 6 FINISHED FLOOR FLOOR DRAIN P-TRAP PPA1/2" MINIMUM FRESH WATER MAKE-UP LINE (TRAP PRIMER LINE) 1/2" TP LINE 1-1/2" X 12" 17 GAUGE FLUSH VALVE PRIMER TUBE WITH 1/2" COMPRESSION FITTING 3-1/4" MIN. FLUSH VALVE TAIL PIECE FLOWB 6" A 12 " VACUUM BREAKER PORTS POSITION BEVELED END OF PRIMER LINE FACING UP TO CATCH WATER THAT PASSES THROUGH THE TAILPIECE 1 1/2" 17 GAUGE 2" 5/8" SHALLOW ESCUTCHEON 1/2" CHROME PLATED TRAP PRIMER LINE 1/2" X 12" 1/2" COMPRESSION X 3/8" NPT. CHROME PLATED 1/4" PER 1'-0" SLOPE BA CLEANOUT AND ACCESS COVER. TOP OF COVER TO BE FLUSH W/ TOP OF FLOOR. FLOOR LINE 1/8" C.I. BEND BALANCE OF PIPING SAME AS CLEANOUT TO GRADE. THREADED CLEANOUT PLUG CLEANOUT TEE CHROME PLATED STEEL COVER PLATE WITH SECURING SCREW FINISHED WALL SURFACE SCALE NONE SCALE NONE SCALE NONE SCALE NONE SCALE NONE SCALE NONE PIPING SUPPORT DETAIL FLUSH VALVE TRAP PRIMER ASSEMBLYWATER HAMMER ARRESTOR DETAIL DIA. DRAIN LINE TO DISCHARGE INDIRECTLY PIPE PENETRATIONS IN CABINETRY TO BE SEALED WITH FLEXIBLE SEALER AIR GAP = 2x DIA 1" MINIMUM FLOOR SLAB WASTE FINISHED FLOOR FLOOR GRATE NOTE: 1. A AND B DIMENSIONS WILL VARY DEPENDING UPON FLUSH VALVE HEAD USED. 2. PRIMING TUBE MAY BE CUT OFF TO ADJUST FOR THE ROUGH-IN OF A FRESH WATER MAKE-UP LINE TO FLOOR DRAIN TRAP. 3. THE FURTHEST RECOMMENDED DISTANCE OF MAKE-UP LINE IS 20 FEET TO THE FLOOR DRAIN. TO FIXTURE UNITS (TYP.) HOT OR COLD WATER SUPPLY IF HORIZONTAL BRANCH IS LESS THAN 20' LONG, PROVIDE ONE WHA AT END OF THE LINE IF BRANCH IS GREATER THAN 20' LONG, PROVIDE ANOTHER WHA IN MIDDLE, EACH SIZED FOR HALF THE FIXTURE UNITS PDI SIZE "A" CONTRACTOR SHALL PROVIDE WATER HAMMER ARRESTERS BY PRECISION PLUMBING PRODUCTS, JAY R SMITH, OR APPROVED EQUAL WITH PISTON AND O-RING CONSTRUCTION, HAVING PDI #WH-201, ASSE 1010 AND ANSI a112.261M CERTIFICATION. INSTALL IN HORIZONTAL OR VERTICAL POSITION, BUT NEVER UPSIDE DOWN. INSTALL IN LINE WITH WATER FLOW DIRECTION IF POSSIBLE. SIZE THE UNITS AS SHOWN ON THE DRAWINGS AND/OR PER THE TABLES SHOWN. RISER ISOLATION VALVE FITTING ADAPTER THREADED END CONNECTION WATER HAMMER ARRESTOR 3 3/8"∅ 3 1 / 2 " M I N . 8 1 / 2 " M A X . WATER HAMMER ARRESTORS LOCATED ABOVE CEILING FLOOR CLEANOUT WALL CLEANOUT NOTE: CLEANOUT NOT TO BE LOCATED IN CARPETED AREA. 6" MIN. PER CPC 906.1 FIN. ROOF MIN. 12" FROM A VERTICAL SURFACE PARAPET OR OTHER VERTICAL SURFACE ABV. ROOF SEE ARCHITECTURAL FOR VENT PIPE FLASHING. VENT TERMINATION (LOCATE AT LEAST 10 FEET FROM OUTSIDE AIR INTAKE) A A 3 2 1 2 A Scale Project number Date Drawn by Jen Dunbar, AIA phone: 310.435.3928 12314 La Maida Street Valley Village, CA 91607 jen@dunbararchitecture.com DUNBAR ARCHITECTURE As indicated 4/ 4 / 2 0 2 5 1 1 : 4 2 : 4 4 A M P3.1 PLUMBING DETAILS 23004 CYPRESS STREET FIRE STATION REHABILITATION CITY OF SANTA ANA 1/15/2025 RM/EG 625 S. CYPRESS No. Description Date 1 90% CD 5/02/2024 2 PERMIT SET 5/17/2024 3 BACK CHECK SET 1/15/2025