Trial of HVO Fuel at Riverside Newland Selby

Plant operator using 32T Mega Arm Vac-ExMega arm in operation

Project – Riverside Newland, Selby

Client – Bam Nuttall & Environmental Agency

Background

Vac-Ex were contacted by Bam Nuttall to conduct a vacuum excavation project down the side of a concrete retaining flood defence wall in Selby, in order to expose existing services prior to the demolition of the wall.

As a company we took this opportunity to trial the HVO fuel on this site. There were many factors to consider when implementing the new fuel system including;

  • Ease of supply of fuel
  • Storage of the fuel on site
  • Compatibility within the engine of the 32 tonne “Mega Arm” Vac-Ex
  • Power of the 32 tonne “Mega Arm” Vac-Ex compared to HVO to Diesel
  • Fuel consumption of HVO fuel compared to Diesel
  • Carry out a conclusion to check on the CO2 greenhouse gas produced with HVO compared to Diesel

Job Description

HVO Trial

The programme for carrying out the works was 10 days however the project was concluded in 7 days.

Supply of Fuels

The HVO fuel was supplied by Crown Oils with no problems found. We used a 5,000 Litres bunded bowser supplied by Crown Oils with an additional cost to the site for delivery and collection.

Compatability of HVO fuel with the Mercedes 32 tonne “Mega Arm” Vac-Ex

We placed our senior CPCS plant operator on this contract to give his opinion of the HVO fuel when compared to diesel and no problems were identified when using HVO fuel compared to diesel.

Mercedes have no problem using HVO fuel in their engines and do not foresee any issues arising from using the fuel with the Mercedes 32 tonne “Mega Arm” Vac-Ex or any of their engines.

Key Issues

Unknown services along the existing flood defence wall and demolished section. Trial of HVO fuel powering a 32 tonne “Mega Arm” Vac-Ex Mercedes vehicle.

Solution

Use of 32 tonne “Mega Arm” Vac-Ex trialling HVO fuel to uncover uncharted, privately installed services.

Conclusion

Power of the 32 tonne “Mega Arm” Vac-Ex comparing HVO to Diesel

Our plant operator found no problems or loss of power and suction when using HVO fuel and there were no reported mechanical issues with the 32 tonne “Mega Arm” Vac-Ex powered with HVO fuel throughout excavation works.

CO2 Fuel Comparison

2,000 litres of HVO Fuel resulted in only 0.390 tonne CO2 greenhouse gas released into the atmosphere compared to 2,000 litres of Diesel Fuel which generates 7.2 tonne CO2 greenhouse gas released into the atmosphere

A 260 metre stretch of excavation was successfully achieved, uncovering unknown services with ZERO strikes. There were no reported incidents in respect of service strikes.

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    Vacuum Excavation Gloucestershire

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    Micheldean WTW Reservoir

    Background

    Vac-Ex were asked to provide vacuum excavation to the Micheldean WTW reservoir based in Gloucestershire. The works involved excavating an unknown depth of concrete on the roof of the reservoir. The structure is mainly underground and looks similar to a large, raised football pitch.

    Job Description

    The use of extensions was required to clear the reservoir roof of its stone material.

    Key Issues

    Access to the reservoir and the distance from the vacuum excavation unit.

    Solution

    32 tonne “Mega” Vac-Ex used with 70 metres of extension kit to vacuum stone material away.

    Conclusion

    Works completed to programme with ZERO strikes. There were no reported incidents in respect of service strikes.

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    24 Hour Hire Available, 7 Days A Week
    01302 366 900

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      Vacuum Excavation Louth

      Vac-Ex extendable nozzleVacuum Excavation under Louth bridge

      Culvert Works

      Background

      Watercourses such as culverts are designed to drain surface water away, before the water levels increase to an extent that puts property, roads, land and infrastructure at risk of flooding. We were asked to provide our vacuum excavation services in Louth due to a large build-up of silt in the riverway under a bridge.

      Job Description

      Silt to be removed from the large concrete base of the riverway.

      Key Issues

      Limited access to removal of silt and works conducted in a live watercourse.

      Solution

      To divert the water course to allow access for the 32t Mega Vac-Ex unit with the use of extensions to clear silt and replace with concrete.

      Conclusion

      Silt cleared and concrete raft replaced with minimal disruption to watercourse with ZERO strikes. There were no reported incidents in respect of service strikes.

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      24 Hour Hire Available, 7 Days A Week
      01302 366 900

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        Vacuum Excavation Sheffield

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        Canal & River Trust

        Background

        The Sheffield & Tinsley Canal forms the upper four miles of the Sheffield & South Yorkshire Navigation which was opened in 1819 to carry boats between the navigable River Don and a new basin in the centre of Sheffield. The Canal & River Trust works at the Sheffield Meadowhall canal required remedial vacuum excavation works to the walls to river and canal banking as it had collapsed.

        Job Description

        Trial holes and service trenches required in order to map existing services along the canal.

        Key Issues

        Difficult access, requiring the use of barges to reach the other side of canal banking.

        Solution

        T-Vac Midi Tracked vacuum excavation unit loaded onto barges to access all along canal.

        Conclusion

        All excavation work completed to programme of works with minimal disruption to canal traffic with ZERO strikes. There were no reported incidents in respect of service strikes.

        Enquire Here

        24 Hour Hire Available, 7 Days A Week
        01302 366 900

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