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Millbrook Roundabout enters final phase

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Over the past few years, various methods have been carried out to try and prolong the life of Millbrook Roundabout which was suffering due to the poor quality of the road, caused by the failing sub surface construction. ABP (Association of British Ports) predicted a large rise in lorry movements into the nearby Dock Gate 20 over the next few years. Therefore the roundabout needed to be future proofed leading to a £3m full depth reconstruction scheme.

During the 5 month ECI and planning phases, R&W collaborated with BBLP (Balfour Beatty Living Places) to ensure a safe and efficient delivery.

The project was split into four phases to allow traffic flow and access/egress. In summary works consisted of

  • Planing out of the existing asphalt to the concrete slab layer
  • Removal of concrete to be recycled at our Winchester Recycling depot
  • The road was excavated to 1.1m
  • Replacement of kerbing, drainage and ducting
  • Addition of a third lane to the south side of the roundabout and appropriate kerbing

The combined R&W Traffic Management and R&W Civil Engineering team, have been working tirelessly since the works began in October 2018 to keep traffic flowing whilst completely rebuilding the entire gyratory carriageway beneath the flyover.

Millbrook

Phases 1 & 2

This halfway point was reached on Sunday 16th December when the second phase was completed, meaning all traffic management could be removed well in advance of the Christmas rush, avoiding any delays to Santa and his reindeer!

A team of eight men worked through the night to lift all the road closures, including the removal of over half a kilometre of Heras Panels, to allow traffic to use all of the roundabout for the first time since works began.

Throughout Phase 2 the team had to deal with numerous uncharted services whilst delivering a ‘humongous’ task:

  • 1,585m3 area excavated to 1.1m, equivalent to 2,853 tonnes or 204 x 32t wagon loads
  • 435m3 of concrete broken out, excavated, crushed and recycled into 6F5 capping, equivalent to 780 tonnes
  • 505m3 of type one laid and compacted, equivalent to 910 tonnes.
Millbrook Roundabout enters final phase image

Phase 3

Monday 6th January 2019 saw the start of Phase 3. The South East corner of the roundabout had to be closed to allow this largest phase of excavation to begin, meaning all access to Dock Gate 20 had to be closed resulting in up to 3,000 containers a day being diverted to an alternative Dock Gate. Thank you to the R&W Environmental team who installed Varioguard on the exit from Dock Gate 20 to facilitate this.

In this phase the civil engineering team had to work around a significant number of fibre optic cables, whilst the traffic management crews will help keep the team safe and traffic flowing.

Phase 4

The reconstruction of Millbrook Roundabout entered its fourth and final phase AHEAD of schedule last weekend. The change over happened on Saturday 23 February. Phase four is planned to take up to six weeks, completing by Sunday 7 April 2019.

The project is a true collaboration, with teams from traffic management, civil engineering and environmental all working closely together with Balfour Beatty Living Places in Southampton to deliver to the standards of the R&W Way.

A very successful audit!

An audit carried out in November resulted in zero findings, so well done to everyone involved. The auditor was very complimentary on all aspects of the site, including the management and paperwork, pedestrian routes, people and plant segregation through to our working methods.

“All too often it’s easy to lose sight of what makes R&W, R&W. It’s you, the teams out there, come rain or shine, who are delivering the outstanding projects we’re employed to complete. Truly R&W can profess to be the ‘The Employer & Contractor of Choice’!”

Howard Hutchinson

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