FP-96 English Version - Eastern Federal Lands Highway Division

Section 152(c) Slope stakes and references. Set slope stakes and references on bothsides of centerline at the cross-section locations. Establish slope stakes inthe field as the actual point of intersection of the design roadway slope withthe natural ground line. Set slope stake references outside the clearing limits.Include all reference point and slope stake information on the referencestakes. When initial references are provided, slope stakes may be set fromthese points with verification of the slope stake location with field measurements.Recatch slope stakes on any section that does not match the stakingreport within the tolerances established in Table 152-1. Take roadway crosssectiondata between centerline and the new slope stake location. Set additionalreferences even when initial references are provided.(d) Clearing and grubbing limits. Set clearing and grubbing limits on bothsides of centerline at roadway cross-section locations.(e) Centerline reestablishment. Reestablish centerline from instrumentcontrol points. Spacing between centerline points shall not exceed 50 feet.Reestablish centerline as many times as necessary to construct the work.(f) Grade finishing stakes. Set grade finishing stakes, for grade elevationsand horizontal alignment, on centerline and on each shoulder at roadwaycross-section locations. Set stakes at the top of subgrade and the top of eachaggregate course.Where turnouts are constructed, set stakes on centerline, on each normalshoulder, and on the shoulder of the turnout. In parking areas, set hubs atthe center and along the edges of the parking area. Set stakes in all ditchesto be paved.The maximum spacing between stakes in any direction is 50 feet. Usebrushes or guard stakes at each stake. Reset grade finishing stakes as manytimes as necessary to construct the subgrade and each aggregate course.68