Micro-asphalt road and pavement improvements

In September 2017, weather permitting, the following roads will be given a new surface to keep them in good condition for years to come.

Site name Microasphalt Pre Works  Microasphalt Works estimated start date Microasphalt Works duration (Full Closure)
Bembridge Close Complete 19/9/2017 1 day
Bentley Close Complete 19/9/2017 1 day
Bevisland, Eldene Complete 20/9/2017 2 days
Francomes Complete 22/9/2017 1 day
Lynwood Grove Complete 25/9/2017 1 day
Sywell Road Complete 25/9/2017 2 days
Goddard Avenue (North Section) Complete

27/9/2017 

(Restricted Hours: 9:30am-3:30pm)

1 day

(Restricted Hours: 9:30am-3:30pm)

Queens Drive

(Between Magic Roundabout and Drakes Way)

Complete

28/9/2017 

(Restricted Hours: 9:30am-3:30pm)

2 days

(Restricted Hours: 9:30am-3:30pm)

The technique being used is called ‘Micro-asphalt’ - it has been tried, tested and improved over many years in Swindon and throughout the UK.  

The process is fast, efficient, cost effective and one of the most environmentally friendly ways to maintain roads with the minimum of disruption to all affected parties. The existing road will be sealed to prevent water penetrating into the structural layers and causing damage, thereby prolonging the structural strength of the road. It will also improve the road profile, ride quality and restore the skid resistance of the surface. 

The process is both weather and temperature sensitive. Notification boards and advisory signs will be erected in advance by the foreman on site to advise when works will take place in specified areas.

These boards will be revised regularly according to current weather forecasts.

The process 

Micro-asphalt stage 1Stage 1 – A wet mixture of bitumen and aggregate is applied over the road surface in two layers. Each layer requires approximately 20 minutes to dry before the surface is rolled and the road is suitable to be used by traffic. At this stage the surface will look un-finished with some rough textured areas and ridges. This is a normal characteristic of the process and the appearance of the surface will improve considerably with use.   

Micro-asphalt stage 2Stage 2 - The Micro-asphalt will be left to fully cure for approximately 3 – 7 days following which the road will be swept of loose material. The condition of the road will continue to be monitored with further sweeping being carried out on an ad-hoc basis as required.  

Drivers need to be aware that there will be no road markings at this stage. Service covers and gully gratings (ironwork) may also be lower than the new road surface.

Micro-asphalt stage 3Stage 3 - When the road has fully stabilised the white and yellow road-markings will be remarked.  Any ironwork lower than the new road surface will be broken out and raised or replaced. Once the concrete bedding and surround has cured, the operatives will reinstate the surfacing with Micro-asphalt material. These reinstatements will blend into the rest of the surface with use.

Advice for motorists

  • Be Safety Aware – follow signs and instructions from site operatives
  • Do not drive on newly laid surface until it has had time to dry.  If in doubt operatives on site will provide guidance when the surface is suitable to use
  • Pay attention to advisory signs and please do not park on the road when signs request you not to
  • Drivers – please keep to the temporary speed limits and avoid sharp turns to allow the surface to stabilise
  • Check your shoes before entering your home or car. Bitumen stains can be removed with cleaner.
  • Accesses to businesses will be protected. Temporary floor covering is recommended in shops and offices

  

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