N Richmond Valley Counciln
Aeration Reactor
Evans Head STP Stage 2 Upgrade - EOI - EXPRESSION OF INTEREST Council is undertaking the Stage 2 upgrade of the Evans Head Sewage Treatment Plant to improve operational performance, increase treatment capacity and ensure long- term reliability of the asset. Council is seeking expressions of interest from suitably qualified and experienced Respondents for the construction of the Evans Head Sewage Treatment Plant ( STP) Stage 2 Upgrade. It is intended that this Procurement Process will comprise two stages: St
Sewage treatment plant stage 2 upgrade Construction of the Evans Head Sewage Treatment Plant ( STP) Stage 2 Upgrade, which includes increasing treatment capacity from approximately 5, 500 equivalent persons ( EP) to 11, 000 EP. Works involve decommissioning the existing soil bed system, providing a new odour control facility, fitout and commissioning of a second 5, 500 EP intermittently decanted extended aeration reactor, improvement works to the catchbalance tank, single- stage dosing for phosphorus removal, construction and integration of two new sludge holding tanks, duplication of the existing mechanical sludge dewatering facility, installation of additional sludge conveyors, replacement of the existing UV system with new UV disinfection units, and associated civil, mechanical, electrical, instrumentation, control, and automation works.
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