Thames Tideway Tunnel - C405 Main Works West - Propping Steel copy

The Thames Tideway Tunnel project (the Project) will control CSO discharges by intercepting and diverting combined sewage flows into a new storage and transfer tunnel. The main tunnel will run from Acton Storm Tanks in west London to Abbey Mills Pumping Station in the east, where it will connect to the Lee Tunnel, which will transfer the combined sewage to Beckton Sewage Treatment Works for treatment. The Project extends from Acton Storm Tanks in west London, to Abbey Mills Pumping Station in east London. The Project includes associated works at Beckton STW, Shad Thames Pumping Station and Bekesbourne Street.

The geographic layout of the Project and local authorities through which it passes is shown in Figure 1.

The Project comprises:

• a.tunnels:
• i.a main tunnel which will capture and store combined sewage from CSOs along its route and transfer it to Abbey Mills Pumping Station, from where the Lee Tunnel will transfer it for treatment at Beckton Sewage Treatment Works
• ii.11 connection tunnels, which will link flows from CSOs to the main tunnel.
• b.Worksites:
• i.five main tunnel Worksites (drive and/or reception sites)
• ii.16 CSO Worksites
• iii.two System modification Worksites Thames Tideway Tunnel
• iv.works at Beckton Sewage Treatment works.

Supply of HAMPS Connection Culvert Propping Steel

Steel frames are required to provide internal propping support to a sheet pile cofferdam whilst excavating to a depth of 16m below ground. This is for the Hammersmith Pumping Station Tideway West Project. Frames are required on 4 different levels of the cofferdam.

BMB requires that frames are made in readiness for delivery on the given programmed dates which are subject to change. An allowance should be made to store required frames until such a time where they are required by BMB. All deliveries will be made in accordance with the delivery requirements outlined in this ITT.

Programmed delivery dates:

Level 1 frame - 5th February 2020

Level 2 frame - 25th February 2020

Level 3 frame - 25th March 2020 (includes both frames B2 & A3/B3)

Level 4 frame - 15th April 2020

Supply all steelwork and associated items required for each level, to be assembled on site by others as shown on the Drawing Package - including but not limited to:

The pricing submission should include the weight of each beam and an overall weight for each frame.

Delivery costs should clearly identifiable in your submission.

A site visit is strongly recommended. To arrange, please contact the following point of contact,

Jonathan Knight Tel: 07530613125

Email: Jonathan.Knight@tideway-west.london

Address: Hammersmith Pumping Station, Distillery Road, Hammersmith, W6 9AD

Drawing Package contains the following drawing numbers:

3350-BAMNU-HAMPS-450-CZ-DR-2000015 P03

3350-BAMNU-HAMPS-450-CZ-DR-2000016 P04

3350-BAMNU-HAMPS-450-CZ-DR-2000017 P01

3350-BAMNU-HAMPS-450-CZ-DR-2000019 P01

3350-BAMNU-HAMPS-450-CZ-DR-2000020 P01

3350-BAMNU-HAMPS-450-CZ-DR-2000021 P01

3350-BAMNU-HAMPS-450-CZ-DR-2000022 P01

3350-BAMNU-HAMPS-450-CZ-DR-2000023 P01

3350-BAMNU-HAMPS-450-CZ-DR-2000024 P01

3350-BAMNU-HAMPS-450-CZ-DR-2000025 P01

The drawings contained with-in this ITT are subject to revision and therefore no work or manufacturing should be undertaken until instructed by BMB.

Documents, Drawings and Specifications

Drawing Package

Returned quotations will be evaluated by BMB JV's (BAM Nuttall, Morgan Sindall PLC & Balfour Beatty) Procurement team in conjunction with our design and engineering teams.

Quotations will be evaluated based on;

Cost

Timeliness of return

Adherence to and demonstration of understanding of the drawings and specifications provided at this point.

Provision of accurate product specifications to accompany the quotation.

Supplier experience of similar projects,evidence of this will be requested should the initial quotation be of interest.

Should the candidate supplier be shortlisted they will then be contacted directly by a member of the BMB Procurement Team within two weeks of shortlisting to discuss the requirement in detail.

BMB Joint Venture (BAM Nuttall, Morgan Sindall PLC & Balfour Beatty)

HAMPS: Hammersmith Pumping Station, Distillery Road, Hammersmith, W6 9AD

Additional information: HAMPS: Hammersmith Pumping Station, Distillery Road, Hammersmith, W6 9AD