Exam (elaborations)
WATER DISTRIBUTION SYSTEMS IN BUILDINGS QUESTIONS AND ANSWERS GRADED A+
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WATER DISTRIBUTION SYSTEMS IN BUILDINGS
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WATER DISTRIBUTION SYSTEMS INBUILDINGS
Water Distribution System (Water Supply System) - answer The water service pipe,
water distribution pipes, and the necessary connecting pipes, fittings, control valves and
all appurtenances in or adjacent to the structure or premises.
Cold Water Supply of the plumbing system - answer Also known as Water Distribution
System, consists of the piping and fittings which supply cold water from the building
water supply to the fixtures, such as lavatories, bathtubs, water closets and kitchen
sinks.
1. Water main (street main)
2. (Water) service pipe
3. Water meter
4. Building supply
5. Water-distribution pipe
6. Fixture branch
7. Fixture Supply
8. Riser - answerPARTS OF WATER DISTRIBUTION SYSTEM:
Water main (street main) - answerA water supply pipe for public or community use
controlled by public authority.
(Water) service pipe - answerThe pipe from the water main or other approved source of
water supply to the building or structure served.
Water meter - answerDevice used to measure in liters or gallons the amount of water
that passes through the water service.
Building supply - answerThe pipe carrying potable water from the water meter or other
source of water supply to a building or other point of use or distribution on the lot.
It shall also mean water service connection.
Water-distribution pipe - answerA pipe which conveys potable water from the building
supply pipe to the plumbing fixtures & other water outlets in the building. (Within the
structure or on the premises)
Fixture branch - answerThe water supply pipe between the fixture supply pipe & the
water distributing pipe. Also, a pipe connecting several fixtures
, Fixture Supply - answerA water supply pipe connecting the fixture with the fixture
branch
Riser - answerA water supply pipe that extends one full story or more to convey water to
branches or to a group of fixtures.
1. SERVICE TAP CONNECTION DETAIL
2. METER CONNECTIOND DETAIL - answerELEMENTS OF WATER DISTRIBUTION
SYSTEM:
a. Corporation cock
b. Gooseneck
c. Curls stop or curb cock - answerWhat does SERVICE TAP CONNECTION DETAIL
consist of?
Corporation cock - answerIt is a valve screwed into the street water main to supply the
house service connection.
Gooseneck - answerIt is the part of the pipe curved like the neck of a goose, usually
flexible. It is also the lead connection between a service pipe and water main.
Curls stop or curb cock - answerIt is a control valve for the water supply of a building,
usually placed between the sidewalk and the street curb. It is wed to shut off the water
supply in case of emergency or should the water supply of the building be discontinued.
a. Meter stop
b. Water meter - answerWhat does METER CONNECTIONDETAIL consist of?
Meter stop - answerIt is a valve placed at the street side of the water meter and serves
as a controlling device for the building installation.
Water meter - answerIt is a mechanical device used to measure the volume of water
passing through a pipe.
i. Disk type Water meter
ii. Turbine meter
iii. Compound meter
iv. Propeller meter
v. Fire-line meters or detector-check meters - answerThe different types of water meter
are:
Disk type Water meter - answerIt is used for measuring the flow of water through small
water services. Also called as displacement meters. It has a 150-psi (1034-kPa)
maximum working pressure; and measure flow in one direction. This meter is common
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