Plumbing

Question 1

All premises intended for human habitation, occupancy or use shall be provided with a supply of pure and
wholesome water, Neither connected with unsafe water supplies Nor subject to hazards of backflow or back-siphonage.

Answer 1

Principle 1: clean water

Question 2

Plumbing fixtures, devices and appurtenances shall be supplied with water in sufficient volume and at a pressure adequate to enable them to function satisfactorily and Without undue noise under all normal conditions of use

Answer 2

Principle 2: volume and pressure

Question 3

Plumbing shall be designed and adjusted to use the minimum quantity of water consistent with proper performance & cleaning

Answer 3

Principle no.3
EFFICIENCY

Question 4

Devices for heating and storing water shall be so d esigned and installed as to prevent dangers from explosion
through overheating

Answer 4

Principle no.4
EXPLOSION

Question 5

Every building having plumbing fixtures installed and intended for human habitation, occupancy or use on premises abutting(adjacent to) a street, alley or easeme nt where there is a public sewer, shall be connected to the
sewer system

Answer 5

Principle no.5
SEWER

Question 6

Each family dwelling unit on premises abutting on a sewer or with a private sewage -disposal system shall have at
least one water closet and one kitchen sink
Further, a lavatory and bathtub or shower shall be installed to meet the basic requirements of sanitation and
personal hygiene

Answer 6

Principle no.6
PLUMBING UNIT

Question 7

Plumbing fixtures shall be made of smooth non-absorbent material, free from concealed fouling surfaces and Shall be located in ventilated enclosures

Answer 7

Principle no.7
VENTILATION

Question 8

The drainage system shall be designed, constructed and maintained to safeguard against fouling , deposit of solids,
clogging and with adequate cleanouts so arranged that the pipes may be readily cleaned

Answer 8

Principle no.8
CLEANOUTS

Question 9

All pipings of plumbing systems shall be of durable NAMPAP APPROVED materials,
free from defective workmanship , designed and constructed by Registered Master Plumbers to ensure satisfactory service

Answer 9

Principle no.9
NAMPAP

Question 10

Each fixture directly connected to the drainage system shall be equipped with a water-sealed trap

Answer 10

Principle no.10
TRAP

Question 11

The drainage piping system shall be designed to provide adequate circulation of air free from siphonage, aspiration(inhalation/suction) or forcing of trap seals under ordinary use

Answer 11

Principle no.11
AIR CIRCULATION

Question 12

Vent terminals shall extend to the outer air and installed to preempt clogging and the return of foul air to the
building

Answer 12

Principle no.12
VENT TERMINALS

Question 13

Plumbing systems shall be subjected to such tests to effectively disclose all leaks and defects in the workmanship

Answer 13

Principle no.13
TEST

Question 14

No substance which will clog the pipes, produce explosive mixtures, destroy the pipes or their joints or interfere

Answer 14

Principle no.14
SEWAGE HARM

Question 15

Proper protection shall be provided to prevent contamination of food, water, sterile goods and similar materials
by backflow of sewage. When necessary, the fixture, device or appliance shall be connected indirectly with the b uilding drainage system.

Answer 15

Principle no.15
CONTAMINATION

Question 16

No water closet shall be located in a room or compartment which is not properly lighted and ventilated

Answer 16

Principle no.16
WC LIGHT

Question 17

If water closets or other plumbing fixtures are installed in buildings where there is no sewer within a reasonable distance, suitable provision shall be made for disposing of the building sewage by some accepted method of sewage
treatment and disposal, such as a septic tank

Answer 17

Principle no.17
SEPTIC TANK

Question 18

Where a plumbing drainage system may be subject to backflow of sewage, suitable provision shall be made to
prevent its overflow in the building .

Answer 18

Principle no.18
SEWAGE BACKFLOW

Question 19

Plumbing systems shall be maintained in serviceable condition by Registered Master Plumbers.

Answer 19

Principle no.19
RMP

Question 20

All plumbing fixtures shall be install ed properly spaced, to be accessible for their intended use

Answer 20

Principle no.20
ACCESIBLE

Question 21

Plumbing shall be installed by Registered Master Plumbers with due regard to the preservation of the strength of
structural members and the prevention of damage to walls and othe r surfaces through fixture usage

Answer 21

Principle no.21
STRUCTURAL STABILITY

Question 22

Sewage or other waste from a plumbing system which may be deleterious (harmful/ toxic)to surface or sub -surface waters shall not be discharged into the ground or into any waterway, unless first rendered inn ocuous through
subjection to some acceptable form of treatment

Answer 22

Principle no.22
SEWAGE TREATMENT