BUILDING PERFORMANCE AWARDS CARBON CHAMPION
Green living walls help insulate the building, encourage biodiversity and filter pollution
doors on fridges, where improvements in energy use have to be balanced against the customers’ ability to select a product. There is, however, one technology that
Datta places above all others: ‘Smart people are the best technology in any store,’ he says. M&S invests a lot of time getting this aspect right. ‘It’s critical that people understand the technology that’s in their building. At Cheshire Oaks, in addition to the usual handover exercises we carried out, we spent half-a-day with the 600 members of staff, explaining the building, how it works and why it works that way. It was a really powerful experience.’ The fact that the building scores among the highest M&S stores for employee satisfaction is surely no coincidence. While Datta admits that there was a cost premium for Cheshire Oaks over earlier stores, he argues: ‘It was very much a one- off, and was tendered four years ago when some of the technologies we were looking at were still in their infancy so – if we were to do it again – it would be cost neutral.’ Unlike Cheshire Oaks, most M&S stores
tend to be in large shopping centres or retail parks and are leased from landlords.
38 CIBSE Journal March 2014
‘More collaboration is key,’ says Datta, ‘and we’ve introduced a green lease policy to push standards.’ Looking to improve the sustainability of existing commercial building stock, M&S reached agreement with retail landlords to retrofit green clauses to the leases of existing M&S stores. The clauses – whether in new leases or retrofit agreements – facilitate the sharing of data such as gas, electricity and water usage in M&S-occupied buildings to inspire both landlord and tenant to make carbon reductions. It also encourages a joint approach to investment in building technology – such as biomass boilers, LED lighting and rainwater harvesting to reduce building impacts and further cut costs. Datta also joins his peers on various government and retail action groups on energy issues, and supports the Close the Door campaign encouraging retailers to keep their doors closed. As the CIBSE Awards judges said: ‘The commercial relevance of what they’ve done and the impact in the property sector is hugely impressive and significant.’ It’s not just any one store, it’s all across the M&S estate and very much beyond, too. CJ
I’d say lighting probably accounts for some 30-40% of most retailers’ energy load. Get this right and you will see immediate benefits Munish Datta
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