M9 Junction 1A Contract

Type of Contract: Works
Location: M9 Junction 1A, Kirkliston, Scotland.
Winning Tender Value: £25.5m
Contract Award Date: 20 July 2011
Duration of Contract: 29 months

Lothian junction 1A on the M9 will be upgraded to enhance the vital connection to the M9 and increase accessibility to West Lothian. The works will comprise west facing connections between the M9 and the M9 Spur; improvements to the existing east facing slip roads; and widening of the existing M9 between Junction 1A and the River Almond crossing (towards the Newbridge junction).

The upgrade will require the construction of a new overbridge adjacent to the existing overbridge on the M9, widening of the existing bridge over Overton Road and widening of the existing B9080 underbridge on the M9 Spur. The existing Swine Burn will be diverted; requiring an additional culvert to be placed under the proposed east bound off slip, and together with other associated culvert extensions. Included within the contract will be the provision of an Intelligent Transport System (ITS) between Junction 2 (Philpstoun) and Junction 1 (Newbridge) on the M9 and along the length of the M9 Spur.

The Contract is a fixed price lump sum design and build contract based on the FIDIC Conditions of Contract for EPC / Turnkey Contracts (“Silver Book”) as a platform, with payment by installments on interim indicators based on completed milestones.

The procurement competition was conducted under the competitive dialogue procedure. The Contract Notice was issued for publication in the Official Journal of the European Union (OJEU) on 4 June 2010. Subsequently, on 23 July 2010 prequalification submissions were received from 6 prospective bidders. The top four submissions were determined following on an assessment of each applicant financial and technical capabilities.

  • Balfour Beatty and Morgan Sindall JV
  • Morrison Construction
  • Roadbridge and John Sisk and Son Ltd JV
  • Sir Robert McAlpine and Costain JV

The above four were invited to Competitive Dialogue on 1 November 2010. Following the completion of the dialogue period, invitations to submit final tender were issued on 8 April 2011 and all four bidders submitted their tenders on 12 May 2011.

Following a tender evaluation the contract was awarded to John Sisk and Son Ltd. and Roadbridge JV with a final tender total of £25.5m.