This document is the 104B Pipe Anchoring Detail (Helical and Precast). Diagrams with descriptions and notes provided.

The first Pipe Anchoring Detail (Helical and Precast) shows the secure anchor straps in the valley between corrugations, initial backfill, bedding Class I material only, native soil, tie downs provided by others and suitable foundation.

The second Pipe Anchoring Detail (Helical and Precast) shows the initial backfill, bedding, native soil, undisturbed earth, precast weight (size varies) and suitable foundation.

Notes state that anchoring method, design and placement to be determined by project engineer. See standard detail 101 for pipe installation recommendations.