All water work must meet or exceed BWSC's standard requirements.
Secondary Connections
All second source domestic water connections require separate accounts, meters and check valves at point of entry.
New Service
安装水表后,新的供水服务应由BWSC人员启动. 此外,当需要时,BWSC在激活之前必须有一个已批准的建成计划.
Taps
All taps must be direct taps. The only exception to this rule is when making a 1.5 inch tap on a water main that is 10 inches in diameter or smaller. In these instances the use of a saddle will be permitted. 4英寸及以上的供水设备的连接应该使用攻丝套管和阀门(穆勒H615型或同等型号). For more information see the Standard Details.
A-09 Water Pipe Connection with Tapping Sleeve
Connections to the Main
If the existing water main is 6 inches or less, 任何4英寸或更大的供水系统都必须使用3通分支和闸阀连接.
Outside Meter Pits
If the building is more than 50 feet from the property line, a meter pit in the sidewalk may be required by BWSC. 所有外部仪表坑和盖应符合尺寸和规格.
M-02a Meter Pit Details
Meter Installment
所有仪表安装都需要安装一个仪表传输单元(MTU),作为BWSC自动抄表(AMR)系统的一部分. BWSC将用必要的帐户信息对MTU进行连接和编程. BWSC要求业主为MTU的安装和所有相关线路的安装提供一个合适的位置, conduits and penetration points. 必须对不干扰波束的位置作出规定, columns, panels and other obstructions, both on the interior and exterior of the building. For more information see the Standard Details.
New Meter
For any property requiring a new meter 3 inches and above, 业主应提供旁路计量,并购买仪表和MTU。. The MTU must be purchased at Engineering Customer Service. BWSC will connect the meter to the MTU and program the MTU. All meters 2 inches or less will be supplied by BWSC. BWSC还将为新服务的每个此类仪表提供仪表衬套和耦合.
Meter Details
For meters 3 inches and above, only meters of a type approved by BWSC, in accordance with BWSC Standard Specifications for Water Meters, which register in cubic feet and have six wheel encoders, will be accepted. 涡轮仪表必须与仪表上游同一制造商的过滤器和仪表下游带有机械3通(米直径x 2英寸)和2英寸球阀的阀芯件一起安装. The 2 inch ball valve is used for meter testing by the BWSC. 复合仪表和消防仪表必须在仪表上游安装同一制造商的过滤器,并且测试端口必须安装接头和球阀, used for BWSC meter testing, of the appropriate size which is on the meter body. These meters will be supplied at owner's expense. 所有水表经过BWSC的准确测试和认可后,成为BWSC的财产. For more information see the Standard Details.
Bypass Meters
所有3英寸及以上的仪表必须有一个小一个尺寸的旁路仪表. For a fire meter, the bypass meter must be a turbine meter.
Meter Locations
所有的水表都需要安装在尽可能靠近水线进入建筑物的地方. 无论安装何种通径的仪表,水关闭阀都应该与设备通径相同. Also, 在较大的设备上,法兰之间的间距应该足够让BWSC在缩小尺寸的仪表无法满足建筑物需求的情况下安装全尺寸的仪表.
New Services
For all new services 8 inches or larger, 每个闸阀必须使用直径至少为10英寸的球墨铸铁立管,其框架尺寸为16英寸× 18英寸,盖板标记为BWSC FP或SP.
Fire Pipes
所有消防管道和生活用水必须有单独的水龙头,不能以任何方式相互连接. For more information see the Fire Pipe section in General Requirements.
General Requirements
Repairs
所有3英寸及以上管道的水维修都应该采用全球墨铸铁分体式维修套管或同等材料,或者安装带有认可接头的新管道. 安装轻型修复钳(创可贴)来堵塞孔或作为永久性修复是不可接受的.
Cuts and Caps
Any existing water service to be abandoned must be shut off, disconnected and sealed at the main and the upright, frame and cover removed. 对于所有3英寸及以上的应用场合,必须将管道和阀门从主管道上切割和拆卸下来. The cutting, repairing, 建筑物消防洒水装置的安装及封顶是否适用于建筑物的拆卸, 建筑物的修复或任何其他原因必须得到波士顿消防部门和检查服务部门的书面批准. 所有废弃的消防建筑洒水系统必须在街道的主要位置切断和封盖. All such work must be performed by a Licensed and Bonded Drainlayer. For any procedure involving a main line shut down, 排水承包商将与BWSC的水运营部门进行协调, the abutters, Boston Fire Department and Boston City Hall. For more information see the Standard Details.
Hydrants
所有安装在波士顿市内的消防栓必须从波士顿水管委会购买. Hydrant relocation requires a site plan submittal and approval. If a hydrant is to be relocated within 10 feet of its existing location, BWSC may allow the lateral relocation of the hydrant within the sidewalk using two 45 degree bends and proper restraint; otherwise the removal of the existing connection and appurtenances and the establishment of a new connection and appurtenances are required. 移动消防栓的所有费用,许可和批准都是发起人的责任.
Stations
所有新的水连接、阀门、三通、十字和弯管都必须安装到位. When possible, STA 0+00应与正在建造的建筑物的物业线角对齐.
Inspections
BWSC shall inspect the installation of water service pipes, 消防管道和附属设备,以及任何水龙头以及与BWSC配水系统的连接和断开. Inspection points must be delineated on the site plan or as-built, along with sign off by a BWSC inspector.
Upgrades
任何对现有供水系统进行升级改造的要求都必须附有现场平面图. The existing service must be cut and capped at the main. 地盘图则须包括现有的水费帐户号码.
Fire Flow
BWSC为工程师、开发人员和洒水喷头设计公司进行消防流量测试. 该测试提供从特定消防栓测量的实际压力和流量数据. 要求进行消防流量测试可以通过邮件或亲自到工程客户服务中心进行. BWSC对提供书面结果的消防流量测试收取费用. 测试结果通常在收到申请后三周内公布, weather permitting. BWSC also maintains previously performed fire flow test results.
Fire Flow Test Form