Chapter 12

Question 1

Where permitted by the rules and regulations of the department of environment and natural resources (DENR), the building sewer may be connected to a private sewage disposal system complying with the provisions.

Answer 1

PRIVATE SEWAGE DISPOSAL SYSTEM

Question 2

Means any septic tank, lagoon, cesspool, or other facilities intended or used for the disposal of sanitary sewage other than via the public sanitary sewer.

Answer 2

PRIVATE SEWAGE DISPOSAL SYSTEM

Question 3

A watertight receptacle that receives the discharge of a sanitary plumbing system.

The _______ is the primary purification unit and should be installed close to the surface of the soil.

Answer 3

SEPTIC TANK

Question 4

Types of septic tank materials

Answer 4

CONCRETE SEPTIC TANK
STEEL SEPTIC TANK
PLASTIC SEPTIC TANK

Question 5

Have been around for decades and are known for their durability and longevity.

Answer 5

CONCRETE SEPTIC TANK

Question 6

Made of steel and are least popular nowadays because of their cost and low durability.

Answer 6

STEEL SEPTIC TANK

Question 7

Tanks are made of polyethylene plastic, hence, they are also called poly septic tanks.

Answer 7

PLASTIC SEPTIC TANK

Question 8

Is the solids that collect at the bottom of the tank.

Answer 8

SLUDGE

Question 9

Composed of materials that float on water such as grease, oil and fats.

Answer 9

SCUM

Question 10

not less than 2/3 of the total capacity of the tank, nor less than 2m³ liquid capacity.

Answer 10

INLET COMPARTMENT

Question 11

Minimum of 1m³ and a maximum of 1/3 of the total capacity of such tank.

Answer 11

SECONDARY COMPARTMENT

Question 12

Older septic tanks - especially those made from concrete - tend to contain wall baffles.

Answer 12

WALL BAFFLES

Question 13

Consist of plastic carefully shaped to reduce the risk of solids becoming stuck and creating clogs.

Answer 13

SANITARY TEES