Silent Generator Site Power Considerate Constructors Scheme

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Silent Overnight Hybrid Site Power

1,634 L Weekly Diesel Fuel Saving for Midas Construction

  • Silent Hybrid Power: 15 Hours per day
  • Weekly Diesel Fuel Reduction: 1,634 Litres
  • Weekly CO2 Emissions Reduction: 4 Tonnes

The Project
Midas Construction were awarded an £11million build project to construct student accommodation in Cardiff. The three-floor development boasts 281 rooms including more than 115 self-contained studio apartments as well as a number of modern kitchens. Around 100 Midas staff were working on site over the year.

The Challenge
The project was located within the city immediately adjacent to both residential and commercial buildings. Whilst the office and welfare cabins opposite the site were connected to mains power, Midas needed power on site for the crane, heating within the crane cab, aviation lighting and perimeter lighting. Situated adjacent to the site was a recording studio, which was aggrieved by the 24 hr noise of the diesel generator running.

Midas Construction were also keen to find ways of reducing operating costs and the carbon footprint of site operations.

Cygnus® 3 paired with a 150 kVA diesel generator. The hybrid power system was set on a timer to provide completely silent power overnight, whilst automatically switching the diesel generator on and off.

The Results
Over a 4-month period, Cygnus® 3 ran for over 74% of time delivering over 2,500 hours of silent power. This in turn saved over 34,000 Litres of diesel fuel, equating to over 91 Tonnes of CO2 emissions.

Average Weekly Savings

  • Silent hybrid power for over 15 hours per day Mon-Fri
  • Reduced diesel fuel consumption by more than 1,634 litres
  • Reduced CO2 emissions by over 4 Tonnes

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