Wet Tap Water Main Detail

A water main tap is the valve used to connect a homeowner s water line to the city water main.

Wet tap water main detail.

Specialized tools and equipment are used to install a wet tap connection for a water service line. A tapping valve is connected to the tapping sleeve and the tapping machine is connected to the tapping valve figure 1. Ken southerland the wet tapping process is often the most convenient way of connecting new pipe to existing pipe without interruption of service the procedure usually involves a tapping sleeve that is installed around the pipe to be tapped. The tap allows a homeowner to install a new water main without having to affect any of the neighbors.

Wet taps are generally performed on cast and ductile iron transite acp polyvinyl chloride and concrete cylinder pipe as well as many older pipeline materials. A wet tap connection refers to the connection made into a new york city water main or any public water main for a water service line installation. Field applied coatings when connecting to existing pccp water mains c 5 1. In many cases increasing the size of a tap will improve upon the amounts of water pressure in your home.

3 thru 12 ductile iron water house connection insulating joint c 5 2. Usually such a connection is for one individual property. A tap connection controls the volume and pressure of water from the city main to the house. D 8 water main trench details d 9 water main trench insulation detail d 10 water main polyethylene wrap detail d 11 thrust restraint concrete thrust block details d 12 thrust restraint restrained joint pipe d 13 precast valve basin for pipes up to 16 inch diameter d 14 brick masonry valve basin d 16 typical 1 inch to 2 inch water service.

Connecting to existing pccp water main for 2 and smaller water connections w 13 1 4 inch 6 inch and 8 inch ultrasonic meter vault w 14 0 10 inch ultrasonic meter vault w 14 0a. Code 19 144 water mains 20 and less in diameter 17 42063 y shallow crossing for water mains 24 diameter and smaller 34 wm0403. Pro tapping performs wet taps from 4 to 36 360 around the main. More specifically a tapping machine typically a mueller b101 an electric generator to operate the tapping machine and hand tools.

Joint coating detail c 6 0. 16 40868 z supports for water main over pipe crossing 33 wm0402 pavement excavation limits for permanent restoration in streets protected by n y c. Pvc awwa c 900 pipe 4 inch 6 inch 8 inch or 10 inch anode protection valve c 7 0. Lanl standard drawings and details either 1 depict required format content or 2 are templates that are completed by a design agency lanl or external ae for a design drawing package in a manner similar to specifications.

In new york city before the advent of cast iron water main pipes the city s water mains were actually constructed out of wood.