Scottish Water has gone out to tender for its Muirdykes Water Treament Project with a contract worth up to £13 million.
The contract covers the design, supply, installation, testing and commission of the following works at the water company’s Muirdykes WTW:
- Provide a secondary filtration stage (SRGFs) and ancillaries for the removal of manganese to satisfy he regulatory driver DW 3C.
- Replace the existing chlorine contact tank with a new chlorine contact tank downstream of the new secondary Filtration stage.
- Replace the chlorine gas dosing system with a sodium hypochlorite dosing system.
- Replace the time dosing system with a sodium hydroxide dosing system.
- Extension of orthophosphoric dosing lines to new secondary filtration batching.
- New pipework from PRGF outlet to new secondary filtration building.
- Modified primary backwash tank and associated pipework.
- New Secondary Filtration building to accommodate new SRGFs, ancillaries and chemical dosing.
- Upgraded pipework in the clear water tank SR2's inlet valve chamber and pipework within SR2.
- A fourth WWR tank c/w floating arm draw-off and connection to existing sludge system to process the additional waste-water generated from backwashing the SRGFs.
- Upgraded WWR floating arm draw-offs on each of the WWR Tanks.
- Upgraded Recovered Water Pumps.
- 2 No. new sludge balance tanks and ancillaries (existing tanks to be demolished due to construction of new WWR tank) and reinstatement of all areas disturbed by the works.
Deadline for receipt of tenders or requests to participate is 29th September. Scottish Water has already issued a previous notice for the contract in June which valued the contract at between £1m to £10m. The latest notice values the work at between £9m to £13m.
Click here to access the contract documentation.
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