Structural and replacement component parts for Installations for wastewater treatment and drainage, namely, septic risers, pans, lids, adapters, adapter rings, seals, distribution boxes, drains, drain sumps, tank seals, mandrels, pipes and pipe connectors

Plastic conduit for drainage; Secondary moisture drainage system consisting of non-metal troughs and collection boxes; Non metal sewer pipes; Non-metal parking curbs; Non-metal pipe fittings; Non-metal pipe couplings and joints; Non-metal in-ground sewage and water run-off basins; Non-metal drainage pipes, non-metal drainage trench pans and grates, non-metal tactile surface inserts for outdoor usage; non-metal panels for use on walking surfaces, ramps, vehicular and pedestrian crossings and platforms