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Sainsbury's – Performance Auditing & Project Management

As part of Reset 6 (Sainsbury’s 20 by 20 Sustainability plan), Energy & Technical Services was appointed to undertake an energy survey of the Dulwich Superstore (47,606 sqft).

Our initial desktop survey from our data scientists identified the store lighting had been on 24/7 after being left in override for 2 years. After deploying a Consultant Engineer to investigate at site, we discovered a number of keys areas where energy savings could be achieved, including operational behavioural issues alongside a number of technical problems.

The existing lighting comprised T8 florescent lights, recess spotlights, down-lighters and florescent tubes in the chilled / frozen cabinets. Much of the cross-shop lighting was below Sainsbury’s lux specifications resulting in dark areas across the sales floor. In addition, the existing controls were inadequate and not achieving lighting levels specifications.

Challenge

Careful consideration was required when proposing suitable dimming controls. Energy & Technical Services worked with client representatives and various stakeholders to ensure the appropriate lighting levels were achieved.

Added Value / Achievements

As a result of our recommendations, the Dulwich store was included in the allocation of the LED lighting programme to resolve the issues highlighted by our consultant. After works were completed, complaints from staff and customers were reduced and the store saw a significant reduction in energy consumption.

Operational behvaiour improved & Technical issue solved

LED lighting programme

related CASE STUDIES

Date Palm Developments – Complete Building Solutions

Date Palm Developments (DPD) approached ETS to design, install, and commission a new Building Management System (BMS) for their proposed "Ottons Lab." Given the complex nature of the facility, which specialises in plant cloning, highly detailed designs relating to HVAC controls and operational security were necessary to maintain optimal conditions for both plant growth and occupant comfort in the office areas.

BNP Paribas – Simulated Power Failure

The power test was successful with back-up power supplies, fire alarms, emergency lighting, pedestrian access systems all operating as expected during power failure. All equipment operated correctly and efficiently when power was reinstated.

Harris Lamb – Mechanical & Electrical Performance Specification

Successful office fit-out project with upgraded VRF heat pump cooling, LED lighting and heat recovery ventilation. Improved energy efficiency and occupant comfort led to an increase in the Energy Performance Certificate (EPC) rating from C to B.