This document is the drawing for the 701 Retention-Detention System (Plan View) Detail showing how to install a retention-detention system with HDPE pipe.

The drawing shows the layout of the system for the HDPE pipe, the flow direction, single component section, the outlet reducer, triple component sections, double component section, a 90 degree bend pipe, the excavation trench, the system inlet, the cleanout sections and the access riser. See the drawing for locations of each component and flow direction.

The drawing notes refer to additional documents for installation recommendations.