BWSC Water Data

1 1 Water data 1) All second source domestic w ater c onnections require s epa rate a ccounts, meters and check valves at point of e ntry. 2) New Water s ervice(s) shall be activated by B oston Water a nd Sewer C ommission (BWSC) personnel after meter is installe d. In addition, when required, BWSC must ha ve a n approved as- built plan befor e a ctivation. 3) All taps must be direct taps. The only exception to this rule is when making a tap on a Water main that is 10 in diameter or smaller. In these instances the us e of a saddle will be permitted. 4) The c onnection of w ater services 4-inche s and larger shall be made using a t apping sleeve a nd va lve ( Muelle r Type H615 or e qual). 5) If the e xisting Water main is 6-inche s or l ess, any Water s ervice 4 -inche s or larger must be connected using 3- way branc h and a gate v alve.

2 6) If the building is mor e than 40 feet from the property line, a meter pit in the sidewalk may be required by the BWSC. 7) All outside meter pits and covers shall confor m to the si zes and specifications on file a t BWSC. 8) All meter installations require the installa tion of a Meter T ransmission Unit (MTU) a s part of BWSC s Automatic Meter R eading (AMR) s ystem. BWSC will wire a nd program the MTU with the necessary account infor mation. BWSC reserves the r ight to have the owne r provide a suitable location for the installa tion of the MTU and the i nstalla tion of a ll associated wiring, conduits and pene tration points. Provisions must be made f or a location that does not interfere with beams, columns, panels and other obstruc tions, both on the interior a nd exterior of the building.

3 9) For a ny property requiring a n ew meter 3 " and above , the property owner s hall provide f or the purcha se o f the MTU. The MTU must be purchased at BWSC, Engineering Customer S ervices Department, 980 Harrison Avenue, Boston, MA. 02119. BWSC will connect the meter to the MTU and program the MTU at BWSC's expe nse. 10) For meters 3-inche s and above, only meters of a t ype a pproved by BWSC, in accordanc e with BWSC S tandard Specifications for Water Meters, which regist er in cubic feet and have six wheel enc oders, will be a ccepted. Turbine Meters must be a ccompanied with a st rainer of t he same manufacturer upstream of the meter a nd a spool piece with a mecha nical 3-way (meter diameter x 2 ) a nd 2-inch ball valve downstream of the meter.

4 The 2-inch ba ll valve is used for meter t esting by the B WSC. See S ection M-02b of the S tandard Details. Compound and Fire Meters must be accompanied with a st rainer o f the s ame manufacturer upstream of the meter a nd a test port must be installe d with a nipple a nd ball valve of the a ppropriate s ize which is on the meter body. The b all valve is used for meter t esting by the BWSC. See S ection M-02b of the standard details. These meters will be supplied by the owner a t his own expense. All meters become the property of t he B WSC after the w ater meter has tested accurately and approved by BWSC. All meters 3-inche s and above must have a b ypass meter installe d and approved by BWSC. 2 11) All meters 2-inche s or l ess will be supplied by BWSC.

5 BWSC will also supply the meter bushings and coupling for each such meter on a new service. 12) All Water meters need to be installe d as close as possible to the point where the w ater line e nters the building. The w ater s hut off valve should be t he s ame si ze a s the s ervice no matte r what size meter to be installed. Also, the spacing be tween flanges on larger s ervices shall be suffi cient to allow BWSC to install a full size meter in the e ve nt that the downsized meter cannot handle the de mand of the building. 13) For a ll new services 8-inch or l arger, a minimum 10-inch diameter s tandpipe with a 16-inch by 18- inch frame a nd cover marke d BWSC must be used with each gate valve. 14) All fire pipes and domestic w ater s ervices must have s epa rate t aps and cannot be interconnected in any way.

6 15) Any existing Water s ervice to be a bandoned must be shut off, disconnected and sealed at the main and the upright, frame a nd cover r emoved by the Gene ral Contractor. For all services 3" and above, the pipe a nd valve must be c ut and removed from the main. All repa irs on services 3" and above shall be done with full ductile i ron split repa ir sl eeve s or the e quivalent or the installa tion of new piping with approved couplings. The installa tion of lightweight repa ir c lamps (ba nd aids) to plug holes or a s a p ermanent repa ir is not acceptable. 16) The c utting, repa iring, installa tion and capping of fire p rotection building spr inkler s ervices whether f or the demolition of a building, the reha bilitation of a building or a ny other r eason must be a pproved in written request by the Boston Fire Department and Inspectional Services Department.

7 All abandonment of the f ire p rotection building sprinkler s ervice must be c ut and capped off a t the main in the st reet. All such work must be perfor med by a Licensed Drainlayer. For a l ateral 4 inches and over, the pipe must be c ut and removed from the main. This procedure will involve a main line shut down that the drainlayer will coordinate with BWSC s Water Operations Department. See S ection A-15 of the S tandard Details. 17)All hydr ants must be purcha sed from BWSC. 18)Hydrant relocation requires a site plan submittal a nd approval. If a h ydrant is to be relocated within10 feet of its exist ing location, BWSC may a llow the l ateral relocation of the h ydrant within the sidewalk using 2-45 de gree b ends and proper restraint; otherwise the r emoval of the e xisting connection and appurtena nces and the e stablishment of a new connection and appurtenances is required.

8 All costs, permitting and approvals, for moving hydr ants are the responsibility of the pr oponent. 19)All new Water connections, valves, tees, crosses and bends must be st ationed. Whe n possible S TA 0+00 should be a ligned with the c or ne r o f the property line o f the st reet where the w ork is taking place. 20) BWSC has the r ight to inspect the installa tion of w ater s ervi ce pipes, fire pipes and appurtena nces and any taps and connections to BWSC s Water distribution system. Inspection points must be delineated on the site plan, along with sign off b y a BWSC inspector. 21) Any request for a n upgrade of an existing Water s ervice s hall be a ccompa nied by a site plan. The e xisting service mus t be c ut and capped at the main.

9 The site plan submission shall include the e xisting Water A CCOUNT NUMBER.