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> PolyDrain > Installation > System Layout

System Layout

Each channel displays a number on the outside indicating its numerical sequence in the system. Consult plans or shop drawings for the proper sequence. Channels should be laid out, in numerical sequence, alongside the completed excavation. Assure proper alignment and grade elevation with a stringline.

Always begin installation at outlet or discharge end of each run and work backwards (upstream). Each side of every channel has an arrow indicating the direction of flow. The arrow always points toward the outlet (downstream). See illustration below.

Before actually installing the channels, you must follow the procedures for:

Piping connections and preformed cutout removal
Catch basin installation
Cutting polymer concrete and forming miter joints

There are five (5) basic methods of PolyDrain channel installation discussed in these notes: 1) PolyClip installation devices; 2) PolySeat installation chairs; 3) PolyWing Hanger installation devices; 4) Suspension installation and 5) Bedding slurry installation. The method you choose will depend on soil type, whether or not it is retrofit installation and other various factors.