Uk welfare manufacturer Boss Cabins recently collaborated with United Living to trial one of new GenFree generator-free welfare units on one of their busy worksites on the Ewart Estate in South London SE23 1HN. The cabin was on site for 5 week period from 13th April to 19th May.
United Living, one of the UK’s largest construction companies, is committed to Net Zero operation by 2030 and is actively looking for ways to achieve this in all elements of their business, including the welfare they use to house their construction site operatives.
Boss Cabins recently worked with United Living to help lower their carbon emissions by replacing a traditional diesel-powered welfare cabin on site with one of our new GenFree units, a welfare cabin that harvests and uses solar power so effectively all year round that it has no need for a generator at all.
The 12ft welfare cabin was deployed on a United Living worksite on the Ewart Estate in South London for five weeks during April and May. Without a generator on board, all electrical items such as kettle, hot water, microwave, pumps etc. were powered entirely by solar energy. Compared to using a standard ‘eco’ welfare cabin, the project avoided over 667 kg of CO2 emissions during that period and saved 211 litres of fuel, enough to power over 500 homes for a day!
As the cabin was in a city centre area, another huge benefit was the 100% silent operation. With no generator, there is no noise. In residential areas, this is not only good news for workers onsite, but also for all the local neighbours.
Using a GenFree cabin had other less expected financial and environmental benefits. Unlike traditional welfare where the toilet is serviced once a week, a combination of rain harvesting, grey water recycling, water saving technology and remote monitoring of tank levels means that this cabin was serviced just once in the five weeks as opposed to five times, avoiding a huge amount of unnecessary time, expense not to mention the environmental cost and emissions vehicles visiting site.
“These are a very good unit and economical to run. They look and feel professional, well laid out both internally & externally, portraying a good corporate image for us. Cost to hire is a little higher but the cost is offset as you reduce elements such as diesel usage & services required making it not only better for the environment but more cost effective. It also offers 100% silence, which for us working in heavily built-up residential areas, is fantastic”.
The occupancy monitors show that the unit was used regularly 5 days per week throughout the 5 week period. Since the hire project started on 13th April, the Generator Free cabin has performed perfectly, supplying all electrical functions from solar power alone – lighting, hot water, kettle, microwave, USB chargers, 230V 3-pin power sockets, hydraulic deployment, water pumps etc. The solar-charging capacity of the cabin has easily covered all outgoing energy requirements (see table 1), with battery charge remaining high at all times, remaining high above 98.3% and recovering to 100% each day. (see table 2)
As there is no generator in this cabin, the only fuel used in the welfare unit is in the low-consumption heater which consumes only 0.25 litres of fuel per hour. Data shows that during the period, the heater ran for 19 hours and 40 minutes hours using just 4.9 litres of fuel.
Whereas a standard cabin toilet would be serviced weekly, the combination of rain harvesting, grey water recycling, large tanks and toilet waste telemetry in this GenFree cabin meant the toilet tanks were pumped out once during the 5 week period. This saved a total of £300 on toilet service visits, plus avoided the associated environmental costs of visits to site such as fuel use and emissions from the service vehicles.
When compared to a cabin of the same size and function, we calculate that by using this 12ft Generator Free Canteen on site in place of a comparable standard ‘eco’ welfare unit, United Living has on this project saved 211 litres of fuel and avoided over 667 kg of CO2 emissions during the 5 week period. This amounts to a direct fuel cost saving of £454*.
In addition, removing the generator from a welfare cabin has the following positive benefits:
*See full data report for more details of how savings are calculated.
For more information, contact the Boss Sustainable Welfare Team on 01778 300475.
Leading the way in infrastructure, housing and property services. We take pride in helping our clients create communities people enjoy being part of by providing the essential services to the owners and operators of critical utility infrastructure and property assets. Delivering essential services, we employ more than 1,100 people nationally and have a supply chain network of over 2,000 colleagues supporting our projects. The work we deliver in Property Services revives homes and communities through the regeneration of living spaces, whilst Infrastructure Services ensures the safe and reliable operation of utility assets. Our New Homes business is a trusted development partner to the largest UK social landlords and build to rent communities.
Manufacturer Boss Cabins is the UK’s market leader in the design, build and aftercare of welfare cabins. With a passion for innovation, we are constantly finding ways to improve our products, working closely with our customers to provide the solutions they require. Boss Cabins has brought to market a number of important and exclusive innovations that improve the function, comfort, safety and longevity of our cabins while lowering their environmental impact and creating a product that is the most sustainable in the industry.
ver the past two years, Boss Cabins has been helping sites to go carbon-free with their patented Deep Green 2030 welfare and toilet range, proven to operate almost entirely from solar energy, minimising fuel use and producing virtually zero emissions. Also incorporating rain harvesting and water recycling and vastly reducing the need to visit site to service the cabins, the Deep Green range has had its carbon savings verified by respected independent industry watchdog Carbon Footprint. Now Boss Cabins have taken their solar innovation one step further with the launch of the patented GenFree range. This 100% silent running welfare cabin range is the world’s first towable welfare range with no on-board generator at all. With all electrical power supplied by an advanced solar system with extendable arrays and vertical panels, this breakthrough in site welfare is available in towable and static versions in sizes from 12ft to 32ft.Find out more
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