Published date: 3 March 2022

Awarded contract - This means that the contract has been awarded to a supplier.


Closing: 25 August 2020, 12pm

Contract summary

Industry

  • Concrete - 44114000

  • Shutters - 44221400

  • Installation of shutters - 45421142

Location of contract

London

Value of contract

£1

Procurement reference

C4A50650062

Published date

3 March 2022

Closing date

25 August 2020

Closing time

12pm

Contract start date

6 December 2021

Contract end date

9 January 2023

Contract type

Works

Procedure type

Other: .

Contract is suitable for SMEs?

Yes

Contract is suitable for VCSEs?

No

Description

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.

Scope of Works

Complete remaining secant piles
Local excavation and break back piles to expose the reinforcement
Design, Supply and Install of formwork to capping beam
Cast capping beam to levels indicated in drawing 3320-AAJV-CARRR-540-SZ-DR-000005 below to act as waling beams including couplers for internal walls and slab where required.
Design, Supply and Install temporary props in accordance with temporary works drawings provided
Excavation to +98.100mATD
Install the dowel bars into the male piles.
Design, Supply and Install Formwork for RC base slab - sumps and upstands
Cast RC base slab
Design, Supply and Install Formwork for RC liner walls
Cast RC liner walls
Design, Supply and Install Formwork for RC internal walls and beams
Cast all RC internal walls and beams
Design, Supply and Install Formwork for slab at ground level
Cast 3.8m width slab at ground level
Removal of temporary props
Design, Supply and Install of falsework to cast top slab
Fill pocket of RC internal wall
Pour top slab in stages as agreed with the Contractor
Striking of falsework
Design, Supply and Install of formwork to top slab upstands.

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.
Su

More information

Previous notice about this procurement

Thames Tideway Tunnel - C405 Main Works West - FRC Works to Aeration Chamber

  • Opportunity
  • Published 24 August 2020

Links

Additional text

Carnwath Road Riverside Site - SW6 3HR

Award information

Awarded date

30 November 2021

Contract start date

6 December 2021

Contract end date

9 January 2023

Total value of contract

£565,604

This contract was awarded to 1 supplier.

Address

Reference

None

Value of contract

£565,604

Supplier is SME?

No

Supplier is VCSE?

No

About the buyer

Contact name

colin smith

Address

130 Wilton Road
London
SW1V1LQ
UK

Telephone

07976181302

Email

colin.smith@tideway-west.london