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Sainsbury's first environmentally-friendly convenience store will save enough energy to heat 3.5 million Taste the Difference ready meals over 15 years |
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Background
Respect for the Environment is one of Sainsbury's five values, which also includes making a positive difference to the community and sourcing with integrity. Amongst other initiatives, it is committed to reducing its CO2 emissions per square metre by 25% by 2012, ensuring all depots and supermarkets are connected to a zero ‘food waste to landfill' programme by the end of 2009 and reducing own brand packaging weight relative to sales by 33% by 2015.
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Sainsbury’s first environmentally-friendly
convenience store, in Bath city |
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In 2008/09 Sainsbury's energy efficiency programme resulted in an absolute reduction in carbon of 10,786 tonnes of CO2 - equivalent to 7,100 homes' annual CO2 emissions.
Sainsbury's first environmentally-friendly convenience store, in Bath city centre will save enough energy to heat 3.5 million Taste the Difference ready meals over 15 years - an estimated 27 tonnes of CO2.
How the issue was tackled
The 3,000 sq ft Local's eco-credentials include a raft of in-store operational and embodied carbon initiatives which promote lighting, heating, ventilation, electricity and water usage reduction, as well as using various low-carbon materials in the building's structure.
The store has even used old railway sleepers from nearby Bath Spa Station as bump rails in its warehouse. This has all ensured that it has smashed its target of achieving an energy performance certificate of ‘B' and has been awarded an ‘A'.
The delivered Low Carbon Convenience Model will set a benchmark for future environmental convenience stores, in line with Sainsbury's ambitious current and future sustainability aims.
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The store has been awarded an 'A' |
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Benefits and impacts
The Bath SouthGate store aims to achieve:
- 90% minimum construction waste avoidance from landfill
- 25% reduction in kWh gas and electricity usag
- 50% reduction in mains water usage per sq ft sales floor
Energy & water reduction initiatives
- Lower Global Warming Potential refrigerant system
- LED lighting on sales floor, in colleague areas, for emergency lighting, in cold storage rooms and in freezer cabinets
- A heat recovery system at the store entrance to stop cold air seeping out and keep warm air in
- Doors on Beers & Wines chillers
- Weir Screens and night blinds on all chillers to stop cold air seeping out, thereby saving 5% more energy than standard specifications
- Overnight ‘power off' switch by last exit point, cutting energy to all equipment, minus chillers and alarms
- Low flushing WCs and percussion taps
- Energy metering system to measure and manage energy usage and a Power Factor Correction unit which reduces energy loss due to fluctuations such as switching on/off
Lower carbon building elements
- Eco-friendly floor screed - 80% glass floor base
- Fermacell - 100% recycled and recyclable instead of plasterboard, instead of plasterboard
- 70% recycled ceiling tiles
- 100% recycled plastic bump rails
All cardboard generated by on-site activities has been recycled and Sainsbury's colleagues will be encouraged to work in an eco-friendly way too. They will be provided with internal bike racks and recycling facilities and will also benefit from composite table and work tops made from 80% recycled glass.
Many of the above green elements are already installed in Sainsbury's environmentally-friendly main stores at recently opened Gloucester Quays and at flagship store, Dartmouth, which has achieved an overall CO2 emissions reduction of 54%. Various other initiatives such as biomass boilers, rainwater harvesting and efficient refrigeration are also constantly being incorporated to Sainsbury's new store and extension schemes.
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Opening the new store |
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Advice to others
Sainsbury's Convenience Director said: 'As a company we take sustainability issues very seriously and are working hard to reduce energy, packaging and food waste. We hope the learnings will be put to good use in further developing our eco-friendly initiatives for our future stores and added to the standard spec.'
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