STORM DRAIN STRENGTH BY DESIGN

Metallic building materials, namely, water and effluent drainage systems comprised of pipes, guttering and channels, storm water catchment pits, field gully traps, floor wastes traps, parts and metal pipe fittings for all aforementioned goods; metallic water feed tubes, metallic water troughs

Non-metallic building materials, namely, water and effluent drainage systems comprised of pipes, guttering and channels, storm water catchment pits, field gully traps, floor wastes traps, parts for all aforementioned goods; non-metallic water feed tubes, non-metallic water troughs