Retrofit Kosnic LED Lamps at Garibaldi College Project Completion: July 2013

Paul Stearman Specification Manager Kosnic Steve Clowes Premises Manager – Garibaldi College

Garibaldi College Founded in 1960s 850 Pupils Ages 11 to 19

The Project The Problem Steve Clowes, Facilities Manager Garibaldi College, was frustrated with the regular failure of Fluorescent tubes and 2D Fluorescent lamps; Facilities staff constantly changing individual Fluorescent Energy costs were high The cost of replacement fluorescent tubes & 2D lamps were high The Requirement Kosnic were asked to prepare a comprehensive energy audit of the college’s existing light fittings and propose retrofit replacement LED lamps. The main criteria; Retain the existing light levels and reduce energy consumption Payback period of less than 5 years

Lighting Schemes Existing Lighting = Dining Area 15 of 600 x 600 Cat 2 4 x 18W Existing = 180 LUX Replacement LED Lighting 15 of Kosnic 45W LED Panels 384 LUX

Lighting Schemes

Project Details Classrooms Old Light Fitting: 7976ft 70w T8 Fluorescent Tubes 3875ft 68w T8 Fluorescent Tubes Savings Saving in KwHr: 242,994 KwHr Saving in £ per annum: £22,533 Payback Period: 40 months Replaced by: 7976ft 30w Kosnic T8 LED Tubes 3875ft 25w Kosnic T8 LED Tubes

Project Details Main Hall, Sports Gym, IT Suite, Library, Reception, Corridor Old Light Fittings: 2474 x 18W T8 600 x 600 Fluorescent Fittings 954 x 18W T8 600 x 600 Fluorescent Fittings Savings Saving in KwHr: 69,299 KwHr Saving in £ per annum: £6,648 Payback Period: 58 months Replaced by: 23545W Kosnic LED Panels 8136W Kosnic LED Panels

Project Details Corridor Old Light Fitting: 14928W 2D Fluorescent Fittings Savings Saving in KwHr 8,583 KwHr Saving in £ per annum: £841 Payback Period: 58 Months Replaced by: 14912W Kosnic LED DD Sensor Fittings

New LED Lights Main Hall Sports Hall

New LED Lights Library IT Suite

New LED Lights Classroom

New LED Lights Corridor

Savings & Payback Year 1Year 2Year 3Year 4Year 5Total 5Year Existing Elec Cost PA £49,318 £246,589 Existing Cost of Lamps PA £3,033 £15,166 Maintance Costs (142 Fittings) PA £500 £2,500 Total 5 Year Cost of using the existing Lamps / Light Fittings £52,851 £264,255 Year 1Year 2Year 3Year 4Year 5Total 5Year LED Elec Cost PA £15,577 £77,884 Cost of NEW LED Lamps / Fittings £120,626 Installation Cost £39,138 Maintenance Costs (142 Fittings) PA £250 £1,250 Total 5 Year Cost of using LED Lamps / Light Fittings £175,591£15,827 £238,899 Payback Period Months54 LED Lamp / LED Fitting Life Hours Hours per Year LED Life in Years 30,000 LED Tubes2, ,000 LED Panels

Summary Existing Elec Cost Per Year =,£49,318 LED Elec Cost Per Year = £15,577 Saving £33,741 Per Year ! Pay Back Period = 54 Months CO2 Reduction = 180,000 Kg Per Year

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