Plumbing and Pipe Fitting 2, WASSCE (SC), 2017

Question 4

 

(4)(a)List four sources of water supply.
(b)Define the following terms as used in plumbing work:

(i)authority;

(ii)premises;

(iii)consumer;

(iv)communication pipe.

(c)List two precautions to be taken to prevent contamination of well water.

Observation

Candidates had difficulty defining the given terms in 4 (b). The required responses to these questions are as given below:

4(a)  -           Rain water
-           River
-           Shallow well
-           Deep well
-           Bore hole
-           Spring
-           Lake
-           Stream

(b)        Authority: The body which undertakes the treatment and distribution of water to a community.
Premises: This is the building receiving water from the water Company or board.
Consumer: The person to whom water is supplied.
Communication Pipe: This is part of service pipe that extends to water authority stop valve.

(c)

  • The well must be deep well and not shallow to avoid impurity from subsoil.
  • The cover concrete should be at least two feet above the ground to prevent insects, rodent, reptiles from falling inside.
  • Well water should be properly collected and stored in a covered tank.
  • Deep well should be distant away from septic tank.
  • Leaking drain should be replaced as soon as possible to avoid contamination.