12.07.2015 Views

FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

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Section 401A profile index will be calculated for each 0.1 mile lane of traveled wayusing a 0.2-inch wide blanking-band. The profile index will be determinedaccording to FLH T 504. Bumps will be located using a 0.4-inch bumptemplate. Defective areas are bumps in excess of 0.4 inches in 25 feet, 0.1-mile profile indexes greater than the defective limit in Table 401-7, andsurfaces with a pay factor less than 0.75 as determined under Subsection106.05.(b) Straightedge measurement. Use a 10-foot metal straightedge to measureat right angles and parallel to the centerline. Defective areas are surfacedeviations in excess of 0.2 inches in 10 feet between any two contacts of thestraightedge with the surface.(c) Defective area correction. Correct defective areas from (a) and (b)above. Obtain approval for the proposed method of correction.Remeasure corrected areas according to (a) and (b) above. The smoothnesspay factor will be recomputed after measurement.PavementSmoothnessTypeTable 401-7Maximum Profile IndexProfile Index—inches/mileUpper Specification LimitDefective LimitI 5 10II 8 12III 10 15IVSubject to straightedge measurement only.See Subsection 401.16(b).246

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