Cutting Edge Low Carbon Store

Objectives

ASDA’s Bootle store was set to be used as a flagship for the estate as the first store that was to be designed with energy efficiency in mind to meet the company's 30% more efficient requirement. The agreed scope of work was to review the current energy performance and environmental sustainability of the proposed scheme. It was also requested that practical “build ability” support be provided from the Carbon Trust.

Delivery

SBEM was used to predict cumulative carbon savings from daylight dimming of light fittings, biomass boilers, CO2 refrigerants, PV panels and wind turbines. Under floor heating in conjunction with innovative bore holes and a ground source heat pump were used to address the heating demand of the store. The use of alternative materials to reduce the embodied carbon of the build promoted a timber frame construction. b:ssec also carried out a post occupancy study to evaluate the effectiveness of the installed solutions.

Results

The project accomplished a fantastic 81% carbon saving with 550 tonnes of CO2 being saved every year. The store achieved an EPC ‘A’ rating along with a BREEAM ‘Excellent’ rating.

 

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