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Cambridge City Council

…, Mandela House, Abbey Pools and Grafton East car park). ● Comprehensive energy efficiency works at the Guildhall, including a Combined Heat and Power plant (CHP)9, new Building Energy Management System10 (BEMS), mechanical works to improve the efficiency of the heating and hot water system, roof insulation and secondary glazing. ● A range of different energy efficiency improvements…

… will install new, energy efficient heating systems to the flats and the communal areas. Low carbon options are being considered such as ASHP, insulation and replacement windows. Car Parks The LED lighting in the lower (basement) levels of the Grand Arcade car park was installed around 10 years ago and is due for replacement soon, which will result in the installation of newer, more energy efficient…

… the pools. The Council made two successful applications to the Government’s Public Sector Decarbonisation Scheme (PSDS) in December 2020 totaling £1.7m to fund energy saving measures at the two leisure sites. The Council will deliver the projects through Bouygues via the REFIT 3 Energy Performance Contract,11 which means the estimated energy savings are guaranteed. The measures that are planned…

… for Parkside Pool include: ● 2 air source heat pumps12 (ASHP) (subject to planning permission), additional solar PV, an LED lighting upgrade, BEMS and pipework insulation. The ASHPs will work with the existing CHP unit to provide heat to the air plant and domestic hot water services at the pool. Improved controls will further reduce energy consumption. ● The current, aged boilers in the main…

… plantroom will be replaced with new, smaller condensing gas boilers which will be much more energy efficient. These will serve as backup boilers for the ASHP to be used when demand is high. It is not possible to install a large enough ASHP, in the space available, to provide 100% of the building’s required heating load. The replacement will be funded by a capital bid (subject to approval…