Post on 15-Jan-2016
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Retrofit Kosnic LED Lamps at Garibaldi College
Project Completion: July 2013
Paul Stearman Specification Manager Kosnic
Steve Clowes Premises Manager – Garibaldi College
www.kosnic.com
Garibaldi College
Founded in 1960s
850 Pupils
Ages 11 to 19
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The ProjectThe 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
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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
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Lighting Schemes
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Project Details
Classrooms
Old Light Fitting:
797 6ft 70w T8 Fluorescent Tubes
387 5ft 68w T8 Fluorescent Tubes
Savings
• Saving in KwHr: 242,994 KwHr
• Saving in £ per annum: £22,533
• Payback Period: 40 months
Replaced by:
797 6ft 30w Kosnic T8 LED Tubes
387 5ft 25w Kosnic T8 LED Tubes
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Project Details
Main Hall, Sports Gym, IT Suite, Library, Reception, Corridor
Old Light Fittings:
247 4 x 18W T8 600 x 600 Fluorescent Fittings
95 4 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:
235 45W Kosnic LED Panels
81 36W Kosnic LED Panels
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Project Details
Corridor
Old Light Fitting:
149 28W 2D Fluorescent Fittings
Savings
• Saving in KwHr 8,583 KwHr
• Saving in £ per annum: £841
• Payback Period: 58 Months
Replaced by:
149 12W Kosnic LED DD Sensor Fittings
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New LED Lights
Main Hall
Sports Hall
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New LED Lights
Library
IT Suite
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New LED Lights
Classroom
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New LED Lights
Corridor
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Savings & PaybackYear 1 Year 2 Year 3 Year 4 Year 5 Total 5Year
Existing Elec Cost PA £49,318 £49,318 £49,318 £49,318 £49,318 £246,589Existing Cost of Lamps PA £3,033 £3,033 £3,033 £3,033 £3,033 £15,166Maintance Costs (142 Fittings) PA £500 £500 £500 £500 £500 £2,500Total 5 Year Cost of using the existing Lamps / Light Fittings
£52,851 £52,851 £52,851 £52,851 £52,851 £264,255
Year 1 Year 2 Year 3 Year 4 Year 5 Total 5YearLED Elec Cost PA £15,577 £15,577 £15,577 £15,577 £15,577 £77,884Cost of NEW LED Lamps / Fittings £120,626 £120,626Installation Cost £39,138 £39,138Maintenance Costs (142 Fittings) PA £250 £250 £250 £250 £250 £1,250Total 5 Year Cost of using LED Lamps / Light Fittings £175,591 £15,827 £15,827 £15,827 £15,827 £238,899
Payback Period Months 54
LED Lamp / LED Fitting Life Hours
Hours per Year
LED Life in Years
30,000 LED Tubes 2,880 10.5040,000 LED Panels
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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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Q & A
Thank you for listening.
Q & A