Shoulder StakesStakes that are set on a line parallel (samedirection and interval) with the center line are calledshoulder stakes and are identified by the symbol SHat the top of the stakeShoulder stakesshoulders and are set(fig. 15-28).mark the outer edge of thewith the broad side facing thecenter line of the road on the shoulder line. Shoulderstakes carry the same station number as the centerlinestake they are set to, but the station number is placedon the back of the stake (the side facing away fromthe center line). The amount of cut or fill is marked onthe side of the shoulder stake facing the center line(front) and represents the amount of cut or fill requiredat that location. The horizontal distance from theshoulder stake to the center line is sometimes placedbeneath the cut-or-fill figure. The basic differencebetween centerline stakes marked with the ~ symboland shoulder stakes marked SH is ( 1 ) centerline stakesare set along the center line of the project and(2) shoulder stakes are set parallel with the center linedefining the shoulder of the road or runway and facethe center line (fig. 15-29).Cut-and-Fill StakesFigure 15-28.—Shoulder stake symbol.Figure 15-29.—Center line and shoulder stakes.Lowering the elevation of a grade is known asmaking a cut. Cut stakes are designated by the letterC written on the stake. The numerals, following theletter C, indicate the amount of ground to be cut toobtain the desired grade and are measured from thecrowfoot down.Raising the elevation of the ground is known asmaking a fill. A fill stake is designated by the letter Fwritten on the stake. The numerals that follow theletter F indicate the amount of ground material neededto bring the existing ground to the desired grade andare measured from the crowfoot mark on the stake up.In going from a cut to a fill or vice versa, theremay be one or more stakes representing points on theFigure 15-30.—Cut, fill, and on-grade stakes.15-18
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