K298 Maple Lodge STW Quality AMP 7 New Permit

This project includes, but is not limited to the following packages of work:

An additional inlet screen with civils alterations and screening handling upgrade

An additional detritor and flow inlet channel, incorporating a new storm separation weir

A new storm tank and river outfall, including flow transfer culvert and new storm return pumping station

Upgrades to the existing six PSTs and conversion of three storm tanks into PSTs, fitted with chain and flight scraper Replacement Primary chemical dosing pumps to aid Phosphorus removal A new activated sludge plant Bank C, with new feed PS and blowers

Eight new 28m diameter final settlement tanks, interconnecting pipework, distribution chambers and RAS system

A new secondary chemical dosing system to aid Phosphorus removal

Two new Tertiary Solids Removal treatment plants, one serving the effluent from Bank A and B, and one serving the effluent from the new Bank C An additional Drum thickener

New incoming switchboard for the new DNO supply

Modification and upgrade of HV/LV networks

Modification and upgrade to the power management system and site-wide SCADA

Modification and upgrade to the Process SCADA

Additional standby powered generation

Demolition and removal of redundant structures, plant and equipment

N.B. Please note that this Contract Notice shows a value of £280m. The current contract value is circa £140m-£280m.