Alignment Tolerances Clause Samples

Alignment Tolerances a. The tracks must be located within 6 mm of the horizontal alignment shown on the Design Data and marked in the concrete slab at 3.0 m intervals. b. The finished elevation of the tracks must be within 6 mm of the vertical alignment shown on the Design Data. c. Variations in horizontal alignment should not occur at a rate greater than 3 mm in 9.0 m on tangents and not greater than 3 mm from the designated mid-ordinate on a 20 m chord on curves. d. Variations in vertical alignment should not occur at a rate greater than 3 mm in 9.0 m.