Chalmor lighting halves energy costs in dairy

The benefits of Endurance lighting fittings from Chalmor to reduce energy and maintenance costs have been exploited in this new facility of Robert Wiseman Dairies.
To help achieve the energy efficiency and reduced overall cost of ownership required by Robert Wiseman Dairies for its new £68 million production site in Bridgewater, consulting engineers AE Robb & Associate specified Chalmor’s long-life, energy-efficient Endurance lighting fittings in the cleaning-in-production (CIP) room. Robert Wiseman Dairies processes and delivers liquid milk throughout Great Britain, operating from major processing centres. The new site in Taunton is the sixth such centre. Using Endurance fittings is halving energy consumption in the CIP room compared with high-pressure-sodium (SON) fittings. The installed electrical load has also been halved. Endurance fittings last 60 000 h before the lamps need to be changed — about five times longer than the SON lamps that were also considered. That time equates to about seven years before relamping is required, considerably reducing maintenance costs and associated disruption. Avoiding disruption was particularly important as machinery in the room makes access difficult. 15 flush-mounted 150 W Endurance fittings with an IP65 rating have been installed in the 8 m-high space. They provide a white light that displays colours accurately. The light output will remain consistent from initial installation, whereas SON lamps degrade by as much as 30% in the first year and continue to do so for the rest of their life. The fittings were installed by electrical contractor Norstead.
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