Dr Days to Filton Abbey Wood Capacity Improvement | CEEQUAL

Dr Days to Filton Abbey Wood Capacity Improvement (also referred to as “Filton Bank 4 Track”)

Dr Days to Filton Abbey Wood Capacity Improvement | CEEQUAL

CEEQUAL Good – Construction Award
Version 5, December 2019 | Bristol, England

Assessors: Dawn Love and Geraint Matthews, Taylor Woodrow
Verifier:  Alison Morrisy, Aecom
ConstructorTaylor Woodrow

Project Summary

Filton Bank was a design and build project, reinstating 2 former tracks between Dr Days Junction to the South and Filton Junction to the north (approx. 5 miles). It also undertook various works to enable future electrification of the route.

The project included the following works:

  • Ground investigation and surveys
  • Earthworks to embankments/cuttings (Horfield Cutting, Ashley Hill Embankment, Muller Road, Narroways Cutting)
  • Track bed formation
  • Track drainage
  • Plain line
  • S&Cs and turn outs
  • Replacement or waterproofing/refurbishment or parapet works to 14 bridges along the route including major works at Easton Road Bridge and Stapleton Road Viaduct
  • Station works at Filton Abbey Wood and Stapleton Road
  • Lawrence Hill Sewer modification
  • Culvert works
  • Relocation of 2 No. GSM-R masts
  • Limited elements of signalling, telecoms and E&P works

 

The Principal Contractor for the works was Taylor Woodrow, the Civil Engineering Division of VINCI Construction UK Ltd (VCUK). VCUK is a subsidiary of VINCI plc. The designer was Arup and the track works specialist was Amey and Trackwork.

 

Dr Days to Filton Abbey Wood Capacity Improvement | CEEQUAL

CEEQUAL’s Role

Challenges

The location of the project was in a densely populated residential area of Bristol. One of the key challenges was minimising our impact on residents. The project achieved this through effective traffic management strategies, including diversion routes, one-way systems and in some cases alternative transport methods. Silent plant was also used where possible and white noise reverse alarms installed.

How did the use of CEEQUAL influence the outcomes of the project?

Reduced carbon emissions through the use of innovative construction methods, procurement of local workforce and utilisation of trains for material deliveries. Reduced impacts on residents, businesses and road users through traffic management options, reduced noise pollution through the use of white noise reverse alarms on all plant, silent solar tower lighting and careful planning of works during unsociable hours.

Dr Days to Filton Abbey Wood Capacity Improvement | CEEQUAL

Which elements of the project highlighted best practice and innovation?

Solar technology, reduction in waste sent to landfill through on-site incineration of Japanese Knotweed rhizomes, utilisation of trains for deliveries, prefabricated footbridges, excavation waste sent to reclamation projects.

Did CEEQUAL represent good value for money?

Yes.  Although cost savings have not been quantified, the use of CEEQUAL helped ensure that sustainability was an integral part of key decision making.

Did the use of CEEQUAL deliver any financial benefits?

The use of CEEQUAL at Filton Bank inspired the project team to bring forward the use of solar technology through the use of solar tower lights and temporary street lighting. Trains were used wherever possible to transport materials in and remove waste off site, helping to reduce the impact on residents and the public highways.

Local suppliers and workforce were prioritised during procurement wherever possible and numerous community projects were arranged, including charity gigs, voluntary work days and material donations.

Dr Days to Filton Abbey Wood Capacity Improvement | CEEQUAL

Achievements

People and Communities

Approx. 70% of subcontracted works were allocated to suppliers within a 50-mile radius of the project. This far exceeded the original target of 50% and ensured that the project provided benefits to the local workforce.

At the start of the project, the Filton Bank team chose the Jessie May Trust, a local children’s hospice as their preferred charity. In the lifetime of the project, the team raised over £12,000 through various fundraising activities. In addition, several other organisations benefited from staff undertaking voluntary work, including the Avon Wildlife Trust, as well as materials being donated to local allotments and St Werburgh’s Community Farm.

Physical Resources – Use and Management (Energy, Water, Materials, Waste)

Solar and hydrogen fuel cell technology was used increasingly throughout the lifetime of the project.  Track specialists Amey used hydrogen powered tower lights, which inspired TW to trial solar tower lights, and in addition following their success, temporary solar powered street lighting.  This provided benefits not only due to reduced fuel and maintenance costs, but also a reduction in localised air pollution, CO2 emissions and noise nuisance.

Ecology and Biodiversity

Specialist contractors Henderson & Taylor were procured to manage several areas containing Japanese Knotweed (JKW). Their innovative solution of excavating material containing JKW, separating the rhizomes from the soil and incinerating on site, allowed for the treated soil to be returned to the same location, avoiding the need for disposal off site, thereby reducing disposal costs, as well as carbon emissions and traffic congestion of muckaway wagons.

Transport

Trains were utilised during the 23-day blockade in October 2018 to bring in ballast and other materials for the construction of two new tracks. Waste was also taken off site via trains. This alternative form of transport allowed for 100’s of vehicles to be taken off the road, reducing the impact of noise, air pollution, CO2 emissions and traffic congestion on residents, local businesses and road users.

Dr Days to Filton Abbey Wood Capacity Improvement | CEEQUAL

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