1.1 ,This specification establishes requirements for material, performance, workmanship and test methods for the qualification of 2 in. and smaller mechanical couplings that connect to SDR 13.5, DR 15.5, Schedule 40 and Schedule 80 polyethylene conduit, duct and innerduct covered by Specification F2160. Throughout this standard, “,conduit”, refers to “,conduit, duct or innerduct”, manufactured in accordance with Specification F2160.