SCL_Material_Standard_7015.05.pdf

This document is a Seattle City Light (SCL) Material Standard (Standard Number 7015.05) for Schedule 40 PVC Conduit and Fittings, dated October 23, 2020, with an effective date of April 20, 2021. The standard covers requirements for Schedule 40 extruded rigid polyvinyl chloride (PVC) conduit and fittings, including elbows, couplings, and adapters, used to construct smooth raceways for cable pulling in Looped Radial and Network system applications such as service, secondary, primary, communication, and control systems.

The document details technical specifications, industry standards, and approved manufacturers for PVC conduit and fittings. Approved manufacturers include Cantex, Cresline NW, Heritage Plastics, IPEX, JM Eagle, Prime Conduit, Ridgeline Pipe, NAPCO, and others. The standard specifies that conduit shall be certified by Underwriters Laboratories (UL) or other nationally recognized testing laboratories, meet specific performance requirements, and be suitable for above-ground and underground use. SCL contractors are permitted to purchase conduit from listed manufacturers, with specific provisions for cellular core and solid PVC conduits, elbows, and fittings.