A safe rule to follow is to bury the top of the pipe not less than _____ below the lowest frost line for the locality.
a. 0.3 m
b. 0.5 m
c. 1.0 m
d. 1. 5 m
e. 2.0 m.
Answer: A
A safe rule to follow is to bury the top of the pipe not less than _____ below the lowest frost line for the locality.
a. 0.3 m
b. 0.5 m
c. 1.0 m
d. 1. 5 m
e. 2.0 m.
Answer: A