Chapter 3 General Regulations

Question 1

What is permitted to discharge into gray water system?

Answer 1

bathtubs,showers,clothes washer & laundry tray

301.3 exception

Question 2

Where there is a conflict between the code & manufactures installation instructions,which one do you follow?

Answer 2

The more restrictive

301.7

Question 3

A sump pump is permitted at the base of an elevator shaft when the discharge is connected to the drainage system in what manor?

Answer 3

indirectly to the system

301.6 exception

Question 4

What is minimum burial depth of exterior water service piping ?

Answer 4

12”

305.4

Question 5

The code does not permit the use of ____to support & maintain the grade of drainage piping in a trench.

Answer 5

Blocks

306.2

Question 6

Shield plates required to protect piping installed through notches or bored holes in framing members shall extend a minimum_____ inch(es) above sole plates & below top plates.

Answer 6

2”

307.5