407 Installation HP Storm Riser Tee 30-60in Pipe Detail
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407 Installation HP Storm Riser Tee 30-60in Pipe Detail.dwg
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This document is the 407 Installation HP Storm Riser Tee 30-60in Detail. It shows 2 details for the unit with dimensions and descriptions.
The first detail shows frame & cover, structural backfill per ASTM D2321, encasement, concrete collar, HDPE pipe diameter, bedding, undisturbed native soil, riser TEE and standard pipe.
The 2nd detail shows the HDPE pipe diameter with minimum width for encasement.
Notes recommend minimum trench width for encasement around riser TEE with standard pipe installation requiring a wider trench. Encasement has flowable material that cures with time. Concrete collar shall be designed by others and for projects ad site conditions to carry all anticipated loading. For projects where cover exceeds the minimum or maximum values, contact ADS.