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Tender Details
- Country: United Kingdom
- Summary: Tower Bridge Mud Tanks
- KWT Ref No: 118063650
- Deadline: 27 May 2025
- Competition: ICB
- Financier: Self Financed
- Purchaser Ownership: Public
- Tender Value: 1680000
- Notice Type: Tender
- Document Ref. No.:
- Purchaser's Detail :
- Description :
- Tower Bridge Mud Tanks - this project will deliver repairs and enhancement works to 6no. mud tanks that form part of the rainwater/surface drainage infrastructure at Tower Bridge, as well as associated repair/enhancement works to improve safety, access, lighting, etc. in the 6no. mud tanks bays, which are situated on the lower levels of the bridge. Tower Bridge is a bascule bridge and beneath the two towers are the pivot and drive shafts and hydraulic operating machinery. Beneath the main pivot shafts are 6no. mud tanks; 3no. on the north side and 3no. on the south. The tanks serve to collect rainwater, surface run-off, and debris from the bascule arms when raised, to prevent them entering the chambers below. Currently, they regularly block up and overflow, and must be manually monitored and emptied. A condition survey was undertaken in 2017 which identified that all the mud tanks are in poor condition with significant corrosion identified, and without exception all require repair to some extent. Each mud tank consists of a front and rear chamber. The rear chambers will be assessed and repaired in situ. The front chambers will be cut out and replaced with a new mild steel chamber with deeper profile, improving the water storing capacity and providing adequate spatial clearanceto moving parts of the bridge. Both chambers will be protected with new GRP lining. Discharge pipework will need alteration and reconnection to the revised tank chambers. Each mud tank will receive new G...
- Documents :
Purchaser : THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON
PO Box 270 City of London EC2P 2EJ United Kingdom
Email :jemma.borland@cityoflondon.gov.uk
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