Park Avenue Inlet Works - Design, Fabricate, Supply, and Install New Inlet Works

Summary and scope

The Central Highlands Regional Council (CHRC), hereinafter referred to as the principal, are seeking tenders for the design, fabrication, supply, installation, and commissioning of the new Inlet Works structure at the Park Avenue Wastewater Treatment Plant (WWTP) located in Emerald, Queensland. The purpose of the contract is to find a suitable Contractor who can design, supply, install, test, and commission the new prefabricated inlet works complete with spiral sieve screen with integrated washing and compaction (duty and standby), bypass channel complete with manually raked bar screen, and discharge chute for dewatered solid screenings waste. In addition, the Contractor shall design, construct, test, and commission the plant grit removal facilities complete with a grit vortex chamber system (including bypass) and one grit classifier, complete with ancillaries. Odour shall be controlled by the installation of a new odour control system including pipework, fan and filter. The Inlet Works are to operate entirely under gravity flow with no intermediate pumps except for the Grit fluidizing pump and flooded suction grit pump. The Contractor is to prepare detailed Process and Instrumentation Diagrams (P&ID’s) showing all valves, instrumentation, and mechanical equipment. Penstocks and valves are to be nominated by the contractor to allow for any piece of equipment or flow stream to be bypassed/isolated.