The URL can be used to link to this page

Home My WebLink AboutDunbar Building Fire Service Plan m F c m x > x � _ L r~ CITY OF BOZEMAN REQUIREMENTS FOR INSTALLATION OF 4" FIRE SERVICE DOUBLE CHECK VALVE ASSEMBLY A � U m 1. THE FIRST FITTING INSIDE OF THE BUILDING SHALL BE A UL LISTED FLANGED KENNEDY OR MUELLER OS&Y VALVE THE SAME SIZE AS THE FIRE SERVICE LINE. -- SEE MECHANICAL SHEETS FOR----Z:Z,_7 - CONTRACTOR SHALL HOT TAP EXTG 4" WA AND 2. ALL DOUBLE CHECK VALVE ASSEMBLIES SHALL BE: CONTINUATION OF SERVICES INTO BUILDING. CONTRACTOR TO INSTALL 4"TAPPING VALVE AND 4"CL 51 D.I. FIRE A. UL OR FM LISTED. COORDINATE BETWEEN SITE AND 4 SERVICE PER CITY OF BOZEMAN STANDARD DTL. B. APPROVED BY THE UNIVERSITY OF SOUTHERN CALIFORNIA FOUNDATION BUILDING PLUMBING l \ 02719-3 & FOR CROSS CONNECTION CONTROL AND HYDRAULIC RESEARCH CURB STOP (USCFCCCHR) FOR OPERATION IN THE PROPOSED POSITION (VERTICAL \ OR HORIZONTAL) AS SHOWN ON APPROVED PLANS. C. INSTALLED AS SHOWN ON THE APPROVED PLANS. NOTE: VERIFY FINAL TAPPING LOCATION WITH CITY TO HOT TAP EXTG 4" WA AND INSTALL 1" 3. A FLOW DETECTION DEVICE SHALL BE INSTALLED IMMEDIATELY FOLLOWING THE DOUBLE BUILDING PLUMBING TO ENSURE DOMESTIC WATER SERVICE TO CURB STOP PER CITY DIRECT CONNECTION WITH BUILDING 'I OF BOZEMAN STANDARD DTL. 02719-6. CHECK VALVE ASSEMBLY(ALARM CHECK VALVE, FLOW SENSOR/ALARM, METER, ETC.) AS PLUMBING, IF DISCREPANCY IS FOUND ` CONTRACTOR TO PROVIDE ALL NECESSARY TRAFFIC SHOWN ON THE APPROVED PLANS, PADDLE-TYPE FLOW ALARMS NOT PERMITTED ON DRY CONTACT ENGINEER PRIOR TO 1 CONTROL, EXCAVATION BACKFILL AND TAPPING SYSTEMS. CONSTRUCTION. ` SADDLE AND VALVE. CONTRACTOR TO COORDINATE 4. A DOUBLE DETECTOR CHECK VALVE ASSEMBLY MAY BE USED WITH A STANDARD CITY OF ONLY FITTINGS ALLOWED BETWEEN FIRST OS&Y WITH CITY AND PAY ALL COSTS. VALVE AND BACKFLOW ASSEMBLY TO BE EITHER `t BOZEMAN METER, THE METER LOOP OF THE DOUBLE DETECTOR CHECK VALVE SHALL HAVE A SERVICE DOUBLE CHECK VALVE ASSEMBLY INSTALLED WHICH MEETS THE SAME INSTALLATION CRITERIA 90' BEND AND REQUIRED SIZE REDUCTION --1" PATER SPECIFIED ABOVE IN REQUIREMENT NUMBER TWO. PIPE AS DESCRIBED IN 10.0 TYPE K COPPER 5. HORIZONTAL INSTALLATIONS MUST BE A MINIMUM OF 2' ABOVE THE FINISHED FLOOR. 6. THE FIRE SERVICE RISER MUST BE A MINIMUM OF 2' FROM ANY OUTSIDE WALL, AND A I DETAIL MINIMUM OF V FROM ANY INTERIOR WALL. �-s PLAN VIEW 7. THE INCOMING FIRE SERVICE LINE SHALL BE A MINIMUM 6.5% AND A MAXIMUM OF 7.5' scale 1" = 10' BELOW THE FINISHED GRADE. 8. ALL FIRE SERVICE LINE APPURTENANCES SHALL HAVE A MINIMUM PRESSURE RATING OF 175 PSI. 9. ALL FIRE SERVICE LINES 4" AND LARGER SHALL BE CLASS 51 DUCTILE IRON PIPE. t, 45'BEND WITH 10. LINE SIZING: THE DOUBLE CHECK VALVE ASSEMBLY SHALL BE EQUAL IN SIZE TO BOTH '\ MEGA-LUG RESTRAINED THE INCOMING PIPE DIAMETER (UPSTREAM) AND OUTGOING PIPE DIAMETER (DOWNSTREAM). FLOOR EL. 4807.8 JOINTS FOR EXAMPLE, A 4" FIRE SERVICE LINE SHOULD HAVE A 4" DOUBLE CHECK VALVE Assembly. PAVEM EL. 4807t 3�MIN. REDI ROD, INSTALLED IN HALF OF _ AVAILABLE M.J. BOLT HOLES(TYPICAL \� 12" STORM SEWER SHOULD THIS INSTALLATION CRITERIA BE IMPOSSIBLE, OR UNDESIRABLE, THE FOLLOWING 0 INV. 4802.553 MODIFICATIONS MAY BE MADE: NO PRESSURE GAUGES OR PRESSURE GAUGE FITTINGS A. THE INCOMING PIPE DIAMETER (UPSTREAM) SHALL BE THE SAME SIZE (NOMINAL SIZE) ALLOWED UNTIL DOWNSTREAM —4" WATER MAIN AS THE DOUBLE CHECK VALVE ASSEMBLY FOR A MINIMUM OF TEN (10) PIPE DIAMETERS SIDE OF BACKFLOW ASSEMBLY \ UPSTREAM OF (IN FRONT OF) THE DOUBLE CHECK VALVE ASSEMBLY. `�[DQ/� \ TAPPING TEE AND VALVE (FL x MJ) WITH MEGA-LUG B. THE OUTGOING PIPE DIAMETER (DOWNSTREAM) SHALL BE THE SAME SIZE (NOMINAL 2 MIN CLEA E 4"CL 51 D.I. SIZE) AS THE DOUBLE CHECK VALVE ASSEMBLY FOR A MINIMUM OF THREE (3) PIPE ABOVE IC ED FLOOR PIPE DIAMETERS DOWNSTREAM OF (IN BACK OF) THE DOUBLE CHECK VALVE ASSEMBLY, o0R EL. 4 COATED STE ALL PLATE LEGEND i(e MIN. THICKN C. EXAMPLE: FLANGED OS&Y VALVE INCOMING (UPSTREAM) FIRE SERVICE LINE = 4" DOUBLE CHECK VALVE DOUBLE CHECK VALVE ASSEMBLY = 2" MIN. REQUIREMENT) 2 DETAIL OUTGOING (DOWNSTREAM) LINE SIZE = 4" 7 AS INDICATED ON cs PROFILE VIEW THE INCOMING LINE UPSTREAM MUST BE REDUCED TO A 2" LINE SIZE A MINIMUM OF 20" NTS (10 X 2") PRIOR TO THE INSTALLATION OF THE DOUBLE CHECK VALVE ASSEMBLY, AND x APPROVED LAN(S) THE DOWNSTREAM LINE MUST BE REDUCED TO 2" FOR A DISTANCE OF 6" (3 X 2") BEFORE IT IS UPSIZED TO THE DOWNSTREAM LINE SIZE OF 4". / F.L. = 4800.0 - PAVEMENT EL. 4807t - -"MIN. REDI ROD, INSTALLED IN HALF OF THE / AVAILABLE M.J.BOLT HOLES(TYPICAL) 12" STORM SEWER _ r / INV. 4802.55t NO PRESSURE GAUGES OR J O� PRESSURE GAUGE FITTINGS < 4" CL 51 D.I. ALLOWED UNTIL DOWNSTREAM 3 PIPE THRUST SIDE OF BACKFLOW ASSEMBLY BLOCK - 4" WATER MAIN ^'S 22, TAPPING TEE AND VALVE (FL x MJ)WITH MEGA-LUG -F.L. = 4500.35 _ \_COATED STEEL WALL PLATE z DETAIL �6 MIN. THICKNESS cs PROFILE VIEW AS—�� vILT NTS '�JI RIRE,VISED REVISIONS DRAWN BY DATE T '�j 7 77�7/^+ PROJECT #: 01-194 SHEET PER CITY REVIEW CGB 3 1 02 DUNBAR BUILDING �, Civil Engineering 32 DISCOVERY DRIVE DATE: APRIL, 2002 �� 7 —BUILT GBH 3/18/03 AS NOTED c"sus s ll 1� Land Surveying BOZEMAN,MT 59715 FIRE SERVICE.dwg OF FIRE SERVICE PLAT Geotechnical Engineering P"ONE(406)ssz-0221 OVERALL SHEET 5 OF 7 5 ALLIED PROJECT ENGINEER: CGB DRAWN BY: CGB o BOZEMAN,MONTANA ENGINEERING Structural Engineering Fvclaoh)saz-st7o DUNBAR BUILDING FIRE SERVICE PLAN DESIGNED BY: CGB REVIEWED BY: TLT