Buildings and Grounds Division

LED savings proposal at level 3 David Myers centre reception, corridors and foyer areas

Purpose

There  are 50w halogen lamps installed throughout La Trobe University’s Bundoora campus numbering in the thousands, and this represents a significant opportunity for energy saving.

Reason for the project

David Myers Level 3 Centre is a small installation in a confined and easy to maintain area is the perfect location for a trial of recent advances in LED technology.

The space is utilized for the display artwork and as such, the contrast between the LED’s for general illumination and the Halogens for the paintings should improve the dynamics of the space.

Recommended luminance required for safe movement (AS1680) will continue to be met.

The benefits of this trial include:

• Reduction in CO2 emissions of 31 tonnes per annum
• Electricity savings of 24 Megawatts per annum
• Ongoing annual savings of $3,444.00
• Return on investment of 50%
• No alteration to the fittings is required
• Less heat / Reduced HVAC load
• Less waste / Dramatic increase in service life
• Enhanced contrast between space and displayed art

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Funding

Energy Management Major Maintenance Funding.

Work Details

• 122 x 50w Halogens replaced with 8w Warm White LEDs
  With standard halogen lamps rated at 5000 hours used for general illumination, the solution is to replace them with 8w LEDs with 50 000 hours lamp life. Significant energy savings of 84% are achieved and maintenance requirements are heavily reduced. Only lamps not specifically used for either display purposes (such as artwork) or work areas (such as above the reception desk) will be exchanged for the LEDs so that staff and aesthetics are not affected by the changeover.
• 38 x 50w Halogens replaced with 35w Ultralife Halogen Lamps
  Due to the multi-use nature of the space, there will be a small requirement for halogen lamps. The solution for this is to use the longest life halogen lamp on the market rated at 15 000 hours (made in Germany). There will still be a small energy saving of 30%, although the main purpose of this replacement is the extend the maintenance cycle.

Construction Period

The work required to change the lamps over is a simple retro-fit which started at 7 am and completed by 9.30 am on the same day.

Project Manager

Lawrence Chong
Manager, Electrical Systems

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