Table of Contents
Advertisement
8
Checking Line and Grade
Checking Line and Grade
A
Line and Grade should be checked after the first 7.5 to 15 meters (25 to 50
feet) of pipe is laid to ensure the pipe is at the proper grade and line.
Checking Line and Grade
•
Set up a transit or automatic level as shown in the illustration.
•
Take grade readings at the ends of the pipe using a grade rod.
C
B
67
Advertisement
Table of Contents
