Water Main Installation Specifications

View the guidance via the links below.

Water main installation specifications. Material for water services and appurtenances to be per the west des moines water works general supplemental specification to sudas. Current water industry specifications wiss and. Water uk and the homebuilders federation hbf have agreed best practice principles for the design of on site water mains constructed specifically for the purpose of new water connections to new build premises. Due to its essential nature public.

Nothing contained in this guidance shall. Install connections to water mains after water main pressure and disinfection testing have been passed. A safe secure and reliable supply of water is essential for both household and non household customers. Provide pipe with cable conductor welded on each end by the manufacturer capable of carrying a 400 amp current.

6 1 6 min d pipe bedding material rev 04 07 water main trench insulation detail d 9 backfill material fine sand fa7 min. Standard water main specifications august 1 2009 the city of new york bureau of water and sewer operations department of environmental operations environmental protection infrastructure design standards. Dry tapping is not allowed without prior written approval from west des moines water works. Table 1 ductile iron pipe class and thickness pipe size class wall.

Slp to undertake the contestable work of designing and or installing water mains and services on a new development site in england and wales. Section 1 description of work. Detailed specifications water mains revised april 2010 21 51. Water main provide insulation when depth of cover is less than 5 feet 4 6 min 6 d 3 extend insulation board down sides to 6 below water main or service.

Service connections should be a minimum of 1 m from adjacent service pipe bell or fitting. Work by water works a. Water works will tap a. Water main installation service connections ductile iron direct tapping is permitted up to 25 mm diameter.

2 wide by 4 thick insulation board use 2 2 thick boards. Service greater than 25 mm diameter require service saddle. The specifications and plans can be downloaded via the links below. Water uk publishes technical guidance notes as well as wis igns on behalf of the industry.

The city distribution division cdd standard specifications and plans for water main installation contain the requirements for new low pressure potable and recycled water main installations in the city of san francisco for pipelines smaller than or equal to sixteen 16 inches in diameter. Water industry guidance is published here. Guidance is agreed in accordance with any organisations indicated but is not subject to enforcement by water uk. The aim is to provide an agreed set of high level principles for water companies developers and their associated constructors to follow.

It details the delivery processes requirements for the work and specifies the role of slps and water companies. Purnima dharia william patalano i table of contents division i general provisions section 1 06 definitions and general provisions i 3 1 06 1. 1 1 the work to be done consists of trenching laying water main services hydrants and. The class and wall thickness shall conform to table 1 below in accordance with awwa c 150 ansi a 21 5 table 15.