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R&B Engineering

R&B Engineering’s well earned reputation as a high quality specialist ship repairer has extended in recent years, leading them into the arena of manufacturing and installing a wider range of structural steel. We were contracted by R&B Engineering to provide them with an energy efficient solution for their lighting, heating and water heating. For the purpose of this exercise, we will breakdown the project into 3 categories:

Lighting

Existing

  • 11pcs 8ft T12 Twin Fluorescent Tubes @200w ;
  • 8pcs 8ft T12 Single Fluorescent tubes@200w;
  • 11pcs Halogen Floodlights@250w each
  • 17pcs 5ft T8 Twin Fluorescent@100w each + ballast
  • 19pcs 600X600mm Cat ll Surface mounted Fluorescent panels@80w each + ballast
  • Mixture of 25-50w CFL and Halogen Bulbs.

Solutions

  • 21pcs 80w Majimoto S Series LED TriProof ;
  • 5pcs 50w LED Floodlights;
  • 23pcs 40w Majimoto LED Linear Battens
  • 7pcs 14w LED Microwave Sensor Bulkheads;
  • 12pcs 38w Majimoto G Series Surface Mounted LED Panel

Benefits

  • Improved Lux levels as recommended by CIBSE- a minimum of 300 Eav [lx] for Welding Shops
  • Improved uniformity on the work plane;
  • Flicker Free at 100Hz
  • Impact resistant fittings -IK09
  • High Ingress Protection-IP65

Savings

  • Estimated Energy Cost Saved per Annum: £2000
  • Carbon Savings in Tonnes CO2 per Annum 7.6
  • ROI(months): 49

Heating

Existing

  • 9pcs 2kW Mobile Convection Heaters

Solutions

  • 2pcs Ceiling Mounted 350w IR Heaters
  • 12pcs Ceiling Mounted 700w IR Heaters
  • Intelligent Controls

Benefits

  • The human body is designed to accept and to emit infrared waves. Far Infrared heating works on the basis of the gentle, longwave infrared which penetrates the air and heats solids.
  • Far Infrared heating does not heat the air but the fabric of the building. It is different from more traditional heating systems that heat the air.
  • Less damp and mould because Far Infrared heating warms walls and keeps them dry. This will mean there is no damp or mould to ruin your décor and all of the room will reach the same temperature.
  • Compared with other gas, oil or electric solutions, Far Infrared heating saves between 30 – 60% of the annual energy usage.

Savings

  • Estimated Energy Cost Saved per Annum: £2116;
  • Carbon Savings in Tonnes CO2 per Annum 8.1
  • ROI(months): 25

Water Heating

Existing

  • 3pcs small 1.5 kW Immersion Tanks

Solutions

  • 3pcs 5.5 kW Instantaneous water heaters

Benefits

  • Less water waste as heater resides just below the sink
  • No energy waste from stored hot water
  • No scale as water temperature never reaches calcification temperature
  • No issues with Legionella as no hot water stored
  • Much cheaper than immersion tank & easy to install
  • Thermostatic control options available

Savings

  • Estimated Energy Cost Saved per Annum: £180
  • Carbon Savings in Tonnes CO2 per Annum 0.8
  • ROI(months): 12