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Robroyston Roundabout and Distributor Road

Client: Park Lane Robroyston Ltd

Value: £4.9m

Contract: Infrastructure Conditions of Contract

Project Description:

Removal of existing roundabout to the South of M80 and creation of new larger roundabout and approximately 750m of roadway.

Works Included:

  • Construction works to increase roundabout from 11m diameter to 47m diameter
  • Existing on/off slip roads re-aligned to tie in with new roundabout
  • Installation of pipework ranging in size from 150mm to 900mm diameter
  • Dewatering of excavation prior to to construction of new culverts
  • Relocation of gas/water mains
  • Extensive earthworks and excavations up to 5m deep. 30,000m³ unsuitable materials (stockpiled for potential future non–loadbearing use)
  • Installation of 12,000m² of Tensar Stratum System to mitigate the effects of differential settlement in areas of peat. Infilled with 60,000t of recycled 6F2 from our Summerston facility
  • Installation of Kerbing, gullies and manholes
  • Construction of 750m of new carriageway and footpath to adoptable standard including asphalt surfacing and road markings
  • Fencing works, both post and rail and guardrail alongside crash barrier installation
  • Installation of precast concrete retaining wall as part of new cycle-path/walkway
  • Installation of lighting columns and ducting
  • Traffic signal installation to 2 no controlled crossings
  • Interface with AMCO on an ongoing basis as they are constructing the station at both north and south side of the railway
  • Japanese Knotweed was present on site which was excavated and hauled to a central treatment area and treated on an ongoing basis by ERS on behalf of client.
  • Management of various different stakeholders and satisfying their demands in order to firstly gain access to the network and then deliver the roundabout element of the works.