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University of Bradford A700/A900 Rocket supplied by Tidy Planet Introduction The University of Bradford is situated close to the city centre on a 32 hectare.

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Presentation on theme: "University of Bradford A700/A900 Rocket supplied by Tidy Planet Introduction The University of Bradford is situated close to the city centre on a 32 hectare."— Presentation transcript:

1 University of Bradford A700/A900 Rocket supplied by Tidy Planet Introduction The University of Bradford is situated close to the city centre on a 32 hectare site and has 13,000 students and 3,000 staff. The University wanted a closed loop sustainable solution to avoid waste disposal to landfill, produce a nutrient rich compost and reduce the transport and disposal costs of its organic waste. The Rocket was chosen as it was thought to be the best product on the market to meet the University’s requirements and presented value for money at the time of purchase. Nature and quantity of waste treated on site The Rocket treats food waste including cooked and uncooked meat/fish plus garden waste from the estate grounds The majority of the waste collected previously was sent to landfill apart from the food waste collected in the kitchen of the main restaurant which was sent for composting locally The University now has two Rockets (A700 and A900) which combined compost around 25.4 tonnes of mixed food waste per year “In the process of getting there we were delighted to experience knock-on benefits other than financial – reputation, learning opportunity, etc…” Ben Tongue, Environment Manager, University of Bradford A700 Rocket in housing Key features Size: 3 x 0.9 x 1.6 m Spatial requirements: Enclosed area 2m x 4m Capacity: Treat approximately 300kg per week Energy: 26kWh per week Housing: Under cover on hard standing (non-porous) Maintenance: Occasional: fuses, motors, with maintenance contract for A900 model Output: Into compost within 14 days – combined composting capacity up to 25.4 tonnes of mixed food waste per year

2 How the on-site treatment system is managed Approximately 156 hours per year are required to run the composter (~25 minutes a day) Porters who transport the food waste also operate the machine The waste is mixed with equal quantities of woodchip (purchased separately) which acts as a bulking agent and provides the appropriate structure to aid the composting process Mixed material is added to the Rocket on a daily basis and within 14 days is turned into compost External assistance is available from Tidy Planet if required and initial training is provided for the operators After this initial period, training is undertaken internally and now the University has a dedicated member of staff responsible for the operation of the composter No significant health and safety concerns have arisen Lessons Learnt The only challenge which arose initially was raising the awareness and enthusiasm of the staff managing the food waste; Many additional benefits were realised such as enhancing reputation as a sustainable, innovative, and eco-friendly university. University of Bradford Costs Installation and start-up costs for the A700 Rocket was £18,000, increasing to £30,000 for both The university does not think the electricity costs are significant Woodchip is purchased at £150 for 10m3 per year to mix with food waste Since installing the composter the university requires two less 240 litres bin (which were solely dedicated to collected food waste from the kitchen and main restaurant) plus additional saving from the reduction in waste in the residual waste stream Saving £50 per week on collection and disposal costs from one Rocket; saving from both is £100 per week The production of compost is seen as a perk rather than replacing product purchase Payback period for the composters is estimated to be around 6 years How food is separated for treatment Food waste is collected back of house in 24 litre containers by kitchen staff Garden waste, such as tree prunings and grass cuttings, is collected by grounds maintenance staff No extra staff resources are required as food separation and collection fits easily with the existing responsibilities of staff Porters transport the food waste by university vehicles to the composting unit Use of outputs from treatment The compost is used on the university grounds Any surplus compost is sold by the university, amounting to £100s per year, which currently offsets the cost of woodchip purchase.

3 Waste & Resources Action Programme The Old Academy 21 Horse Fair Banbury, Oxon OX16 OAH Tel: Fax: Helpline freephone While steps have been taken to ensure its accuracy, WRAP cannot accept responsibility or be held liable to any person for any loss or damage arising out of or in connection with this information being inaccurate, incomplete or misleading. This material is copyrighted. It may be reproduced free of charge subject to the material being accurate and not used in a misleading context. The source of the material must be identified and the copyright status acknowledged. This material must not be used to endorse or used to suggest WRAP’s endorsement of a commercial product or service. For more detail, please refer to our Terms & Conditions on our website - This case study is part of a series of case studies focussing on the on-site treatment of organic waste. Other case studies in this series are: Eriska Hotel; Housing 21; Millets Farm Centre; University of Southampton; Dartington Primary school; and Her Majesty’s Prison Service


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