This document shows the 1462A Heavy Traffic Installation Duraslot Detail. A detail of the Duraslot with descriptors, table and notes provided.

The Duraslot detail shows the 1/4”-1/2” recess into finished pavement, aluminum slot riser with optional steel grating, compressive strength concrete, ADS N-12 HDPE, expansion joint, asphalt or concrete pavement, base material as appropriate and stable, undisturbed earth or compacted fill.

A table shows the nominal diameter ID, in. (mm) for 4 thru 36 and depth of invert height in minimum and maximum inches.

Notes state that backfill design may be used for HS-2- loading applications. The engineer provides site specific backfill details such as concrete strength. Additional design information available through ADS tech notes.