6 1 3 surveyor when the term surveyor is used throughout this chapter it shall mean the contractor s surveyor or.
How to read grade stakes for curb and gutter.
To determine the fill at a particular point the grade rod is subtracted from the.
The rod is read on the ground and the ground rod is subtracted from the grade rod at that point.
Grade rod in setting slope stakes as in setting finish elevation for pavement sewer lines etc.
Understand how to read and interpret survey stakes.
The curb constructors obtain their line and grade from offset hubs like those described previously.
Slope stakes curb and gutter stakes setting slope stakes.
Ncdot realizes that the effectiveness of this manual is an important element in the construction layout of a project.
21 subdivision plans 22 highway plans and cross sections 37 3 grade setting.
Stakes lines and grades for additional information.
Slope stakes are seldom used in areas requiring less than 2 ft of cut or fill.
51 setting grade 52 grade setting equipment 53 checking grade with swedes 55 string lines 57 laser levels 62 crows feet 71 staking cut and fill 76 sewer line projects 79 4 setting grade stakes using a contour plan.
For example a bulldozer has low tolerance within a few inches while a curb and gutter machine has a high tolerance within a quarter of an inch.
Curb and gutter stakeout for a thoroughfare that will have a curb and gutter these items are usually constructed before the finish grading is done.