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Within Glasgow Subway there are 22 Sump locations distributed around the subsurface network and also within the Depot area. With the exception of sump 17, which has three pumps, within these sumps are two pump sets that are configured for Duty/Standby operation with each individual pump capable of discharging the full demand from each sump.
There are 45 ‘Xylem Flygt’ submersible pumps that operate within the Subway, controlled from a dedicated local control panel located in the local Station Switch-room and monitored from the Subway Operational Control Centre.
As any water flow enters the sump from the rebate between the rails and a cross connection between the inner and outer circle tracks. The water is discharged through rising main pipework which discharges to the surface drainage system.
| Supplier | Identifier | Award Value | Lots Won | Cross-References |
|---|---|---|---|---|
| WGM Engineering Ltd | SC099834 | - | 1 lot Lot 1 | - |
This procurement was divided into 1 lots, each awarded separately. 4 bids were received in total.
| Lot | Value | Bids Received | Awarded To | Status |
|---|---|---|---|---|
| Lot 1 | £56,157 initial term | 4 | WGM Engineering Ltd | complete |