House Service Water Connection

HOUSE SERVICE CONNECTION

A typical water connection, connecting the service pipe and municipal water main is shown in figure.

The water connection consists of:

(a) Ferrule - It is a right angle sleeve made of brass or gun metal and is joined to a hole drilled in the water main and is screwed down with a plug. Its size varies between 10 to 50 mm dia.

(b) Goose neck - A small size curve pipe made of flexible material usually lead, about 75cm length forming a flexible connection between the water main and the service pipe.

(c) Service pipe - Galvanised iron pipe < 50mm dia laid underground in a trench. The service pipe is connected to the municipal main through the goose neck and ferrule.

(d) Stop cock - Provided before the water meter in the house. It is housed in a masonry chamber with removable cover and fixed in the street close to the boundary wall.

(e) Water meter - Measures/ records the quantity of water consumed in the house. It is connected to service pipes by union joint. It is fixed inside iron box fitted Jooqe in cavity made in boundary wall of house and covered with movable iron cover.

Stop cocks

• It is a screw down type sluice valve fitted in small sized (< 50mm) pipes for opening or stopping the supply.

• They are provided at the water entrance of each building or within the building.

 •  They should be enclosed in cast iron box having a hinged cover. Water passes basis through an orifice when the valve is raised. When the valve is closed, it rests on the seat, thereby closing the orifice.

Water taps/Bib Cocks :

• They are provided at the end of service pipes through which water is withdrawn by the consumers.

• The common type of water tap is the Bib cock.

• By rotating the handle, the orifice opens and water passes out through the spout.

• They can be fitted in pipe size from 10 to 15mm dia.

• Bib cocks may also be of push type. It opens with a slight push vertically upward and closes down automatically under self weight.

• Bib cocks should be water-tight and should not leak.

• The rubber or leather washers used in them should be replaced as and when needed.

Pipe fittings :

Fittings are used in making service connections.