Case Study

South Montrose Spine Road

Client: Angus Council
Project Value: £1.1m
Start Date: September 2017
Contract Duration: 6 months

Project Outline

Formation of new link spine road to serve Montrose Port Authority and provide a safer route for HGV traffic negotiating this area, which is predominantly residential premises as well as a primary school.

The new route consisted of sections of existing carriageway that was upgraded and re-aligned, and other sections of new full carriageway construction requiring the demolition of existing buildings to allow the new road alignment, complete with formation of tie-in junctions from new alignment to existing road network.

Advance planning of this contract was paramount, with meetings held with local authority, emergency services, stakeholders, and residents.  During these meetings, the traffic management and delivery times/routes/strategy was presented and developed to ensure minimal disruption to all effected businesses & residents, whilst also ensuring that safety of public and workforce was fully considered and accounted for.  Continual communication with stakeholders & residents was maintained throughout the contract, as each section of the works were zoned to provide a different traffic management and diversion route set up.  The zoning of these works was developed by Kilmac to ensure a programme effective delivery was obtained, whilst considering all live traffic routes and the effects of various diversion routes upon the adjacent streets and road network.

Works on this contract consisted of, but not limited to:

  • Site clearance
  • Demolition work to existing steel frame, cladded, commercial units and also masonry built residential buildings and garages
  • Traffic management and maintenance
  • Service diversions & accommodation works for service diversions
  • Liaison with public utility companies to arrange for service diversion works, and management of same
  • Drainage works, consisting of new road gullies, filter drains, and drainage connections into existing network
  • Boundary treatments and making good adjoining/adjacent properties
  • Road construction works, both full new construction and also upgrade to existing road sections including planning off and overlay to tar surfacing
  • Kerbing, both standard road kerbs and also mono-beany kerb systems, laid upon a kerb log construction
  • Footway construction
  • Signage and Lining
  • Street Lighting – new installations and upgrades/re-routing of existing systems
  • Feature Wall/Fence comprising of natural stone blockwork and feature decorative metal screen and perforated image panels
  • Soft & hard landscaping with feature paving and planted areas
  • Cycle network – Junction improvements consisting of new crossing points and footpath build out sections, and creation of new cycle path.

Traffic Management

The works were phased into 5 main work zones, each with their own traffic management requirements, consisting of specific diversion routes and associated signage.  These work zones and traffic management phasing were discussed in advance at stakeholders’ meetings, with the effected business.  Updated site-specific signage was moved along with the works to keep public road users and pedestrians updated with new routes.  As noted above, all Traffic Management plans and routes were issued well in advance to all local businesses, who in turn could then update their clients/deliveries throughout the works to minimise disruption and any potential for confusion.  A weekly summary sheet was issued which advised of any upcoming changes or amendments to the currently operating traffic management plan.

NEC3 Contract

This project was an NEC3 option B compliant contract, so throughout the job, programme was critical and fully NEC3 compliant showing all float and Time Risk Allowance.  This programme was then updated on a monthly basis to show compensation events, associated knock on to critical path and hence any movement in completion.  It was then issued to the client for approval.  Compensation events were raised for all variations, and any potential delay/risk was raised as an early warning.  Every month, we met the client to run through the programme and early warning register to ensure everything was up to date and early warnings were being dealt with as efficiently as possible to ensure minimal delay to the contract where applicable.  This continued throughout the contract.

The contract period duration was 52 weeks, but works, including additional varied elements, were completed in 32 weeks to a high standard leaving the Local Authority, stakeholders, and residents delighted with the end product.

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