20 | NEWS | SUSTAINABILT Y
STRATFORD REFURBISHMENT GOES TO STEPNELL
CHP system wins award
Stepnell has been chosen for a £2.3m programme of overcladding and internal refurbishment at Stratford- upon-Avon College. The construction company’s Notingham team is now carrying out the work. The refurbishment includes the re-cladding of a two- storey classroom block and three-storey teaching block connected by a high-level link. An insulated overcladding
system will be installed over the buildings’ existing envelope, improving appearance and thermal performance. The buildings will also undergo internal refurbishment work including the installation of replacement lighting, suspended ceilings and redecoration. The Stepnell team will also carry out roofing work to other buildings at the further education college. The work will improve the
energy-efficiency performance of the buildings, reducing the amount of heat lost. New solar glazing will also reduce solar gain to classrooms. The programme of work
is set to be completed in April 2015. Nicola Mannock, the
college’s principal and chief executive, says: “Stepnell are doing a fantastic job with the refurbishments of two classroom blocks and we are all waiting in anticipation for the opening of the new classrooms, in order to ensure that our students receive the best teaching and learning experience while studying with us.”
Waverley School in Enfield is set to save 44 tonnes of CO2 using intelligent building controls. Until recently, the north London school’s level of energy efficiency was summed up by the red arrow on its display energy certificate, indicating extremely high energy use. Staff said that trying to manage the school’s energy consumption was “a nightmare”. When the school secured government-back Salix funding, it put installing a new building management system (BMS) at the top of its wish list. The energy services division of Mitie
won the contract for the project and, after carrying out an energy audit, undertook extensive works. “We replaced old inefficient boilers with modern, high-efficiency condensing boilers, installed low-energy lighting and controls, programmable radiator valves, refrigeration motor controllers and variable speed fan motors,” says Mitie’s Dale Meadows. “A key part of the project was the installation of a new BMS. We selected Priva Blue ID because it was good value for money and we knew it would be easy for the school to use.”
Baxi Commercial has won a CHPA innovation award for its installation of mini-CHP integrated with ground source heat pumps at Notre Dame primary school in Glasgow. The CHPA judging panel noted the amount of thought that had gone into the design of the system. They praised the collaboration between the project partners and the fact that Bob McNair, lead mechanical engineer on the project and a member of the council’s development and regeneration team, had analysis of a full year’s worth of data to back up performance claims. The aim of the installation in the
Victorian school buildings was twofold: to get the best out of ground source heat pump (GSHP) technology and combine it successfully with combined heat and power (CHP). Working with Glasgow City Council, Baxi Commercial supplied
and commissioned five SenerTec DACHS mini-CHP units, which were integrated with underground thermal storage and ground source heat pumps. Notre Dame came top in a comparison
of electrical consumption with 29 other Glasgow City Council schools earlier this year. The council has calculated that the school will avoid more than 90 tonnes of CO2 emissions annually and will cut running costs by at least £48,200 a year including anticipated repayments from the renewable heat incentive (RHI) scheme.
Enfield school ups its energy-saving game
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