How do you read grade stakes?

How do you read grading elevations?

For example, given a benchmark at 100.00 and a grade elevation at 101.43, the difference is -1.43, which indicates that the elevation is 1 foot and some odd inches above the benchmark. Multiply the decimal part of the difference times 12 to find the number of inches. For example, 0.43 x 12 = 5.16.

How do you use grading stakes?

Pound grade stakes into the ground on each end of the area you need sloped. The stake at the top of the slope is called the hinge. The stake at the bottom of the slope is called the toe. Determine the desired grade—typically 1-2% (1/8″ per foot to 1/4″ per foot) is enough to provide enough runoff.

How do you read Slope Stakes?

Read the slope stake from the top down. The top numbers provide the offset distance — the the horizontal measurement from the slope stake to the catch point. The catch point, or intercept poin, is the location from which the operator begins filling or cutting.

What do Survey stakes mean?

Survey pins or stakes may be used to mark points. A mark on the stake top or a tack may be used to mark the points being measured.

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How do you read a grading plan on a website?

A good site grading plan will list the location of the marker based on which the site was surveyed.

  1. Lot size and coverage. …
  2. Earthwork estimate — cut/fill. …
  3. Sections. …
  4. Contour lines. …
  5. Spot elevations — existing grade, finished grade. …
  6. Drainage flow direction. …
  7. Property line. …
  8. Setbacks from each face of the building.

16 дек. 2019 г.

What is a 6% grade?

Driving down a highway you may see a road sign that reads “6% Grade” or “Steep Grade.” The grade of the road is, essentially, its slope. … A six percent slope means that the road elevation changes 6 feet for every 100 feet of horizontal distance (Figure 1.3). Figure 1.3. A road climbs at a gradient of 6 percent.

What is a site grading plan?

A grading plan refers to the landscaping of the house site and soil elevations. … A typical grading plan will show the slope of the lot in 5-foot increments, and can provide the site supervisor with the specific information needed for inspecting and managing the grading trade contractor.

How do you use stakes to level ground?

Find a length of string and two wooden stakes. Tie one end of string to a wooden stake and hammer it into the ground at the highest elevation in the area. Hammer in the second stake across the area you want leveled. Pull the string across and tie the other end to the second wooded stake loosely.

What is excavation and grading?

Grading and excavating is the process of preparing land for building. This can be done by smoothing out the soil, flattening an area, building an area up, or sloping it to a certain degree that is needed.

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What is the difference between excavation and grading?

The Differences Between Excavating and Grading

Excavators typically do their work during the beginning stages of the construction process. … Grading uses other types of heavy machinery including a blade, a bobcat, or a tractor with a landscape rake.

What does toe of slope mean?

Toe of slope means a point or line of slope in an excavation or cut where the lower surface changes to horizontal or meets the exiting ground slope.