526 Approach Slabs

1. Specification:

Item 526.02 C&MS

Item 511.02, 511.17 C&MS

Item 499, Class S, HP 3 or HP 4

Use the same class of concrete used in the bridge’s superstructure that the approach slab is attached to unless otherwise shown in the plans.  If the superstructure concrete class for the bridge is not identified in the plans use Class S.

2. Sampling and/or Inspection Requirements:

Do not remove forms for a minimum of 36 hours.

Pull cylinder samples for each day’s pour or every 200 cubic yards

Open approach slabs to traffic per Table 511.17-1

3. Method of Tests:

Item 609, 511.20