FP-96 English Version - Eastern Federal Lands Highway Division

Section 152(m) Intermediate surveying and staking. Perform all survey, staking,recording of data, and calculations as necessary to construct the project fromthe basic layout and controls established in (a) through (l) above.Perform additional surveying and staking necessary to execute individualwork items.Remeasure roadway excavation quantities if it has been determined that anyportion of the work is acceptable but has not been completed to the lines,grades, and dimensions shown on the plans or established by the CO.Table 152-1Construction Survey and Staking TolerancesStaking Phase Horizontal VerticalControl points 1:10000 ±0.02 ft.Centerline points (1) ) (PC), (PT), (POT),1:5000 ±0.05 ft.and (POC) including referencesOther centerline points ±0.2 ft. ±0.3 ft.Cross-section points and slope stakes (2) ±0.2 ft. ±0.3 ft.Slope stake references (2) ±0.2 ft. ±0.1 ft.Culverts, ditches, and minor drainage±0.2 ft. ±0.1 ft.structuresRetaining walls ±0.1 ft. ±0.05 ft.Bridge substructures 1:5000 ±0.05 ft.NTE (3) ±0.1 ft.Bridge superstructures 1:5000 ±0.05 ft.NTE (3) ±0.02 ft.Clearing and grubbing limits ±1 ft. )Roadway subgrade finish stakes ±0.2 ft. ±0.05 ft.Roadway finish grade stakes ±0.2 ft. ±0.05 ft.(1) Centerline points: PC - point of curve, PT - point of tangent, POT - point on tangent,POC - point on curve.(2) Take the cross-sections normal to the centerline ±1 degree.(3) Not to exceed.70