Septic Quiz

Question 1

1) Disposal fields shall not be installed under a roadway or ______

Answer 1

drive way

Question 2

2) what is the purpose of the outlet screen of a septic chamber?

Answer 2

• protection
• To maintain seperation
• Suspended solids stay back

Question 3

3) Gravity system

Open bottom sand filter

The open bottom filter shall not be located whitin:

____m (__’) of a protery line, measure from the foot of the berm

Answer 3

1.5m (5’)

Question 4

3) Gravity system

Open bottom sand filter

The open bottom filter shall not be located within:

___m (__’) of a water source

Answer 4

15m (50’)

Question 5

3) Gravity system

Open bottom sand filter

The open bottom filter shall not be located within:

__m (__’) of a watercourse

Answer 5

15m (50’)

Question 6

3) Gravity system

Open bottom sand filter

The open bottom filter shall not be located within:

__m (__’) of a basement or cellar

Answer 6

9m (30’)

Question 7

3) Gravity system

Open bottom sand filter

The open bottom filter shall not be located whitin:

__m (___’) of a building without a basement

Answer 7

3m (10’)

Question 8

1) Disposal fields shall not be installed under a ______ area

Answer 8

paved

Question 9

1) Disposal fields shall not be installed under any _________

Answer 9

structure

Question 10

1) Disposal fields shall not be installed under a _________ garden

Answer 10

vegetable

Question 11

List the minimum clearance requirements for a packaged sewage treatment plant from:

a property line _____

Answer 11

1m (3.25’)

Question 12

List the minimum clearance requirements for a packaged sewage treatment plant from:

a watercourse _____

Answer 12

15m (50’)

Question 13

List the minimum clearance requirements for a packaged sewage treatment plant from:

a water source _____

Answer 13

9m (30’)

Question 14

List the minimum clearance requirements for a packaged sewage treatment plant from:

a building ____

Answer 14

1m (3.25’)

Question 15

A good installation practice is to install laterals at no greater length than ___m (___’)

Answer 15

30m (100’)

Question 16

How much grade should you put on laterals?

Answer 16

None, they should be run flat

Question 17

5) what is the capacity of field versus the volume of dose?

Answer 17

Dose = 100% of field

Question 18

What are the methods of disposal on sloping ground?

Answer 18

• distro box
• drop box (like a rice field)
• bi level crosses

Question 19

What is the purpose of a san-tee on the oulet of a septic tank?

Answer 19

It holds back the all the scum and allows cleaner effluent to travel

Question 20

what type of soil is used on top of a septic field?

Answer 20

loamy soil

• fluffy porous soil that doesnt compact

Question 21

How is an effluent lagoo treated?

Answer 21

By the sun

-evaporation and UV

Question 22

Septic retention (duration)

Answer 22

24 hours

Question 23

What type of bacteria action occurs within the septic chamber or tank?

Answer 23

anarobic bacteria

Question 24

At what max depth of sludge should the septic tank be cleaned?

Answer 24

450mm (18”)

Question 25

The volume of discharge from effluent chamber is determined by?

Answer 25

• start: a perculation test
• end: discharge (loading rate of field)

Question 26

What is the purpose of a distro box?

Answer 26

To premote even load on laterals

• even distribution