HS2 Main Works S1 & S2 - WP171 SCL Formwork
key details
| Value | £5,000,000 |
|---|---|
| Status | complete |
| Category (CPV) | 45221247 +8 more |
| Region | London |
| Deadline | 19 Oct 2021 |
| Contract start | 4 Mar 2022 |
| Contract end | 30 Jun 2023 |
| SME suitable | Yes |
| OCID | ocds-b5fd17-60cb3f2a-1fff-4a4a-b6ab-087e2e3cf143 |
Award
| Supplier | Value | Date | Status |
|---|---|---|---|
| not named | £286,031 | 5 Jun 2022 | active |
description
The scope for this package is the supply of SCL Formworks. SCS require lining shutters to construct cast insitu concrete tunnel secondary linings.
The works will include:
*Technical design
*Design to British or European Standards.
*Provision of calculations and drawings, including design of all temporary loads such as concrete pressure and uplift/floatation without penetrations through the shutter or waterproof membrane. *Provision of erection sequence /shop drawings
*Manufacture and delivery of formwork to SCS jobsites, at multiple locations along the HS2 S1 and S2 contract.
*Initial assembly of the system in the tunnel.
*Buy-back of the system.
The works are split in to 3no. separate packages:
| 1) | Cross Passages |
| a. | Access limited to cross passage by openings in the TBM running tunnel of 2.850 x 1.900m |
| b. | Secondary lining invert will have previously been cast flat. |
| c. | Secondary lining thickness of ~250mm. |
| d. | Shutter internal dimensions ~2.7m high x 3.3m wide. |
| e. | Cast in a single pour. |
| f. | Cross passages varying in length from 5-5.8m. The shutter should be adaptable to suit this length, and the combined TBM horizontal driving tolerances from both bores |
| g. | Due to access limitations for mechanical lifting, the shutter should take into consideration UK manual handling legislation. |
| h. | Required for July 2022 |
| 2) | Old Oak Common SCL Tunnels |
| a. | Secondary lining shutters to facilitate the construction of both the Upline and Down running tunnels concurrently (2no complete sets of panels and carriages required) |
| b. | Shutter internal dimensions ~10m diameter. |
| c. | Formwork to be adaptable for a range of profiles, with common arc sections and make up pieces. |
| d. | Cast in a single pour. |
| e. | Shutter suitable for pours ~10m in length. Adaptable for make-up pours |
| f. | Formwork to be carriage mounted and hydraulically operated. |
| g. | Secondary lining invert will have previously been cast flat. |
| h. | Secondary lining thickness of ~350mm |
| i. | Facing material suitable for up 20no. of pours, with no access to clean or oil, whilst still providing F2 finish. |
| j. | Required for April 2023 |
| 3) | Euston SCL Tunnels |
| a. | Secondary lining shutters to facilitate the construction of |
| i. | both the Upline and Down Crossover tunnels concurrently (2no complete sets of panels and carriages required) ,internal dimensions ~10m diameter. |
| ii. | Cavern crossover of varying sizes (15m, 13m and 11m), formwork to be adaptable for a range of profiles with common arc sections and make up pieces where possible. |
| b. | Cast in a single pour. |
| c. | Shutter suitable for pours ~10m in length. Adaptable for make-up pours |
| d. | Formwork to be carriage mounted and hydraulically operated. |
| e. | Secondary lining invert will have previously been cast flat. |
| f. | Secondary lining thickness of ~350mm |
| g. | Facing material suitable for up 35no. of pours, with no access to clean or oil, whilst still providing F2 finish. |
| h. | Required for Jan 2024 |
documents
- https://www.competefor.com/business/viewOpportunityDetailsSupplier.html?id=58530186 , tenderNotice
- https://www.contractsfinder.service.gov.uk/Notice/e58585d2-1d4e-4de3-8eb5-6bdb9659d2de , tenderNotice
Documents are linked, not mirrored. They are served by the publishing authority and may require registration.
notice history
1 notice published against this procurement.
| Published | Type | Regime | Notice |
|---|---|---|---|
| 17 Oct 2022 | Award (award) | · | a98a067f-9b63-46a2-8dcd-4337365ea1d2-580972 |
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source
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