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.
Of grade is the degree of inclination from the horizontal the rise or fall for each.
The rod is read on the ground and the ground rod is subtracted from the grade rod at that point.
Ncdot realizes that the effectiveness of this manual is an important element in the construction layout of a project.
The curb constructors obtain their line and grade from offset hubs like those described previously.
If while surveying a department project you develop a more efficient procedure please submit it to the.
Grade rod in setting slope stakes as in setting finish elevation for pavement sewer lines etc.
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.
Stakes lines and grades for additional information.
21 subdivision plans 22 highway plans and cross sections 37 3 grade setting.
Slope stakes curb and gutter stakes setting slope stakes.
To determine the fill at a particular point the grade rod is subtracted from the.
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.
5 survey stakes 6 2 plan reading.