Waste water treatment plants and sewerage pumping stations have requirements for large opening access covers. EJ, formerly known as Havestock, manufactures a range of AS3996 ductile iron multipart covers in concrete infill and solid top castings; complete with fully removable support beams. New aluminium hatch covers are made in the USA and now available throughout EJ in the Asia Pacific. These aluminium hatches feature : hinged covers, spring strut lift assist, slam-locks, padlock clip recess and high visibility SAFE HATCHTM. safety mesh to prevent injury from trips and falls in proximity to open access chambers.
Past major projects include : Tweed Shire pump stations, Coomabah Water Treatment Facility, Malaney Water Treatment Facility, WAWA pump stations.