507.3(b) 507.3(e) 507 – 2 immediately submit the lot IRI data and MRI values , as defined in PTM No. 428, to the Representative.
of each excluded area in stages using a 12- foot straightedge. At each stage, hold the straightedge in contact with the surface and parallel to the road centerline and, in successive positions, test the pavement surface profile from one side of the excluded area to the other. Advance the test location to the next stage by moving the straightedge along the roadway centerline not more than 5 feet.
lot requires corrective action. Additionally, perform corrective action on any individual bump (must grind) where the irregularity is more than 1/4 inch when tested with a 12-foot straightedge.
with a 12-foot straightedge. Correct longitudinal joints not conforming to the requirements specified in in Section 507.3(c).
inch when measured on the transverse profile. Correct a sufficient length of pavement to correct the pavement surface profile without producing additional high or low points. Retest the lots and excluded areas after completing corrective action. Perfor m additional measurements of the pavement surface profile, as necessary, for the Representative to determine which lots do not require additional corrective action. Correct surfaces to provide a uniform texture and positive cross slope so the pavement drai ns.
before grinding, reapply to ground area. Use one or more of the following methods:
grinders of the walk -behind type that have cutting heads of carbide tipped shackles, stars, or blades and have a locking depth control to produce a uniform pavement surface texture. Provide a pavement surface texture consisting of parallel grooves between 3/32 inch and 1/4 inch wide with a “land area” between grooves 1/16 inch and 3/16 inch. Operate the grinder by making multiple passes if necessary, with a maximum depth o