1-20 PRINCIPLES

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 NO 1
water

Question 2

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

Answer 2

PRINCIPLE NO 2
volume and pressure

Question 3

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

Answer 3

PRINCIPLE NO 3
efficiency

Question 4

devices for heating and storing water shall be so designed 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 on a street, alley or easement 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 type 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 form 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 ciculation of air free from siphonage, aspiration 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 mixture destroy the pipes or their joints or interfere unduly with the sewage-disposal process shall be allowed to enter the building drainage system.

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 se\vage. When necessary, the fixture, device or appliance shall be connected indirectly with the building 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 installed properly spaced, to be accessible for their intended use.

Answer 20

PRINCIPLE NO 20
accescible

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 other 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 to surface or sub-sutface waters shall not be discharged into the ground or into any waterway, unless first rendered innocuous through subjection to some acceptable form of treatment.

Answer 22

PRINCIPLE NO 22
sewage treatment