Eco Welfare- Units for a Greener Planet

Implementation
period

2019 → 2019

Eco Welfare- Units for a Greener Planet

Typically, mobile welfares on site are powered by diesel generators and generate carbon emissions when in use.The mobile eco-welfare used on the Grass Area 13 & 13C project uses a hybrid system resulting in much lower carbon emissions. The system uses a combination of diesel and solar to power the welfare. When the welfare is first switched on, the diesel generator will run for the first 5 minutes, before switching over to use electricity produced from solar power.

Roughly, 88% of the time the welfare is being used, it runs off the solar power obtained from solar panels on the roof.

Over an 8 hour day, the X-Eco 10 Welfare Unit with Tower Light, uses 1.92 litres of diesel compared to 8 litres used in a typical welfare. This results in the release of 3kg of CO2e per day compared to 20.75kg of CO2e released in a non-eco welfare. In addition to this, the X-Eco 10 contains a tower light with 4-LEDs powered by electricity, which run up to 9 hours. This eco welfare is towable and hydraulically lowers into the ground with a retractable drawbar resulting in no trip hazard.

The eco-welfare provides benefits over diesel powered welfares:
Specification: 10 person welfare which contains a canteen, office, toilet, and drying room. Water Tank capacity of 240 litres and Waste Tank capacity of 340 litres.
Low CO2 emissions: Hybrid welfare reduces the use of diesel which generates CO2 emissions. The welfare produces 3kg CO2 per day. Over the 275 days the eco-welfare is on site, it will produce 825 tCO2e, compared to 5706 tCO2e generated by a normal welfare, saving 4881 tCO2e. Low fuel consumption: Only 12% of the time the welfare is being used it runs off the 70 litre diesel tank powering the generator.
Low noise emissions: Runs off a silent 6Kva generator which only runs when required. This is ideal for sensitive sites such as night working.
Fuel savings: Delivers average fuel savings of £50 a week compared to typical welfares. This equates to using £358 of diesel, versus £2457 (for hire of the typical welfare and tower light) a saving of £2169 over 275 days.
Space saving: The eco welfare contains a tower light with 4 100W LEDs, therefore reducing the need for separate tower lights and associated costs.
Overall Cost Savings: Hiring the eco-welfare vs hiring a typical welfare and separate tower light has resulted in a cost saving of approximately £3,275 over the 275 day period.

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