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Notice Summary

Title:
UK-London: HS2 Main Works S1 & S2, WP075.1 - Steel Bridge Beams (SHORT DEADLINE)
Document Ref:
GB003ZM345994
Document Type:
Contract Notice - Other
Published By:
SCS JV
Date Published:
20 October 2020
Deadline Date:
26 October 2020
Document Source:
Framework/DPS:
No
Alert Profile:
Labels:
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Reviewed By
Our Specialist Team

Notice Abstract

HS2 Main Works S1 & S2, WP075.1 - Steel bridge beams Scope of the subcontract works The Subcontractor is to provide all people (both management and operational), equipment, plant & materials, consumables (including fuels), materials and any other resources necessary to carry out and complete the subcontract works. This is to include the inspection and testing of works, surveys, supply, delivery, offloading, distribution, construction, and demobilisation in relation to the subcontract works and in accordance with the Subcontract Works Information. The subcontract works are to fabricate, deliver and install the steelwork for the Chiltern Line Bridge (HROC). The HROC structure is a new single span integral bridge with piled wingwalls and abutments supporting a composite steel bridge over the Chiltern lines. The Subcontractor is to supply and fabricate and install 4no steel beams to be installed in 2no pairs (braced together). These beams will have paraslims and ducting installed on to the beams prior to any lifting taking place. A 500 to 750 t crane will be used behind the North Abutment to lift the steel in to position during a closure of the Chiltern Lines. The HROC beam details are as follows: • Steel beams are to be grade S355 J2W and have an Exposure class of C3 • The Steel beams are to be constructed to the following dimensions: o Top Flange Plate = 400mm x 20mm o Web Plate Thickness = 20mm o Bottom Flange Plate = 600mm x 40mm o Web to Flange Fillet Weld = 6mm throat thickness • Shear studs are to be installed on the top of the flange plate, 3no @ 150mm centres • Steel Haunch brackets and bearing stiffeners are to be installed on each beam • 3no types of bracing for the beams The Current programme for the works is as follows: • Installation of the Bridge beams in the Week 25 possession in September 2021 • Fabrication and delivery of the beams prior August 2021 for partial site assembly, which will also include: o Installation of the Paraslims on to the bridge beams utilising a crane on the North Abutment o Installation of the service ducts to the underside of the bridge

Notice Details

CONTRACT NOTICE – NATIONAL

WORKS

1 Authority Details

1.1

Authority Name and Address

SCS JV
N/A
London UK
N/A N/A
N/A

1.2

Address from which documentation may be obtained

As in 1.1

1.3

Completed documents must be returned to:

As in 1.1

2 Contract Details

2.1

Title

HS2 Main Works S1 & S2, WP075.1 - Steel Bridge Beams (SHORT DEADLINE)

2.2

Description of the goods or services required

HS2 Main Works S1 & S2, WP075.1 - Steel bridge beams

Scope of the subcontract works

The Subcontractor is to provide all people (both management and operational), equipment, plant & materials, consumables (including fuels), materials and any other resources necessary to carry out and complete the subcontract works. This is to include the inspection and testing of works, surveys, supply, delivery, offloading, distribution, construction, and demobilisation in relation to the subcontract works and in accordance with the Subcontract Works Information.

The subcontract works are to fabricate, deliver and install the steelwork for the Chiltern Line Bridge (HROC). The HROC structure is a new single span integral bridge with piled wingwalls and abutments supporting a composite steel bridge over the Chiltern lines.

The Subcontractor is to supply and fabricate and install 4no steel beams to be installed in 2no pairs (braced together). These beams will have paraslims and ducting installed on to the beams prior to any lifting taking place. A 500 to 750 t crane will be used behind the North Abutment to lift the steel in to position during a closure of the Chiltern Lines. The HROC beam details are as follows:

• Steel beams are to be grade S355 J2W and have an Exposure class of C3

• The Steel beams are to be constructed to the following dimensions:

o Top Flange Plate = 400mm x 20mm

o Web Plate Thickness = 20mm

o Bottom Flange Plate = 600mm x 40mm

o Web to Flange Fillet Weld = 6mm throat thickness

• Shear studs are to be installed on the top of the flange plate, 3no @ 150mm centres

• Steel Haunch brackets and bearing stiffeners are to be installed on each beam

• 3no types of bracing for the beams

The Current programme for the works is as follows:

• Installation of the Bridge beams in the Week 25 possession in September 2021

• Fabrication and delivery of the beams prior August 2021 for partial site assembly, which will also include:

o Installation of the Paraslims on to the bridge beams utilising a crane on the North Abutment

o Installation of the service ducts to the underside of the bridge

2.3

Notice Coding and Classification

2.4

Total quantity or scope of tender

Estimated contract start date : 01/03/2021

Delivery point : HS2 route from London Euston to Ruislip

Estimated contract value (GBP) I: GBP 501k to 1m

3 Conditions for Participation

3.1

Minimum standards and qualification required

4 Administrative Information

4.1

Type of Procedure

The procedure type is unknown.

4.2

Reference number attributed to the notice by the contracting authority

n/a

4.3

Time Limits

   26-10-2020  Time 18:00

4.5

Language or languages in which tenders or requests to participate can be drawn up

EN 

4.6

Tender Submission Postbox

5 Other Information

5.1

Additional Information

Please register as a supplier on the following portal to participate:

https://www.competefor.com

Competefor Response Deadline : 26/10/2020 at 18:00 hrs

(MT Ref:345994)

5.2

Additional Documentation

5.3

Publication date of this notice

 20-10-2020

Current Notes