Client: Hochtief on behalf of Swindon Borough Council
Duration: 18 months
Dates: July 2016 – December 2017
Form of Contract: NEC 3 ECC Option A
Construction of a dedicated right turn from Swindon Road to Hay Lane via a new signalised junction
Construction of an additional two lanes on the East & West Bound slip roads to avoid vehicles queuing back onto the M4
Facilitating the upgrade of the storm water network to suit the upgrading of the new signals and signage
Installation of deep drainage, manholes, culvert pipes, headwalls, down stream defenders (pollution control), landscaping, balancing pond for pollution control
Vacuum excavation and working adjacent to gas mains
Swindon Borough Council, in partnership with Highways England and North Wiltshire District Council, required the upgrading the existing M4 Junction 16 and improvements to the associated local connector roads. The improvements now serve two of the four key links to a major housing development at Wichelstowe, to the south of Swindon. The project has improved traffic flow and minimised congestion to this busy junction.
The project included earthwork build up, widening approaches with 26,000m3 of local imported clay from a local tip up to ground level (drainage, ducting, 2,000m kerbing, 7,000m3 import sub base) Landscaping, balancing pond installation (pollution control) along with deep drainage, manholes, culvert pipes, headwalls, down stream defenders (pollution control) and extensive groundworks package. MJ Church undertook road foundation, vacuum excavation and works adjacent to gas main.