PDX

Metal building materials, namely, rails, grates and anchoring legs, and structural parts therefor; metal building materials, namely, bolts, lock toggles, nuts, end rails, cross ties, anchor studs, L-rail assemblies, T-rail assemblies and covers for use in construction of drainage systems; Metal mounting hardware for protective liners, namely, metal rails and metal support springs; Specially fitted protective liners for metal drainage systems comprised primarily of metal drain pipes, channel drains, trench drains, and grates

Non-metal building materials, namely, plastic drains, grated line trenches, trench drains, channel drains, line drains, conduit slotted drains, continuous inlets, drop inlets, catch basins, utility chases, oil-water separator drainage channels, vertical drainage channel extensions for surface drainage; and components of non-metal drainage channels and utility chases, namely, locking inserts; Specially fitted protective liners for non-metal drainage systems comprised primarily of concrete drain pipes, channel drains, trench drains, and grates

Unfitted protective liners for drainage systems