kW/h Energy Reduction

1,208

Energy Savings (per annum)

1,352

Maintenance Savings (per annum)

26

Project Payback

304

Energy Saving Scheme Rebate

Project Overview

The ‘Serena’ complex at 47 Gladesville Rd, Hunters Hill was constructed in 2013 and consists of 10 residential and commercial units and 1 and a half levels of basement car parking. After a convincing recommendation, WBS was engaged to replace 34 emergency and non-emergency lights in the car parks, fire stairs and common areas of the Gladesville Rd complex. The aim of the project was to achieve substantial energy and maintenance savings, implement an IoT foundation with supportable technology and provide a service agreement for lights installed. All objectives were completed via the use of WBS LEDs with dim-down technology and EMIoT network.

The Challenges

There were 3 main areas of concern regarding the previous lighting structure at the Gladesville Rd complex. The use of fluorescent fittings with no energy saving controls or a networked emergency lighting system heavily contributed to these challenges.

  1. A short lifespan resulted in the constant replacement of fluorescent fittings. This cost time, money and created safety issues for tenants.
  2. Fittings in the fire stairs and car park of the building were operating at full brightness 24/7 resulting in significantly high energy bills.
  3. The absence of a networked emergency lighting system made it difficult to predict maintenance and conduct autonomous testing.

The Solution

34 fluorescent fittings in the car park, fire stairs and common areas were replaced with LED fixtures containing dim-down technology and EMIoT capability. The installation of WBS Blade Exit Signs, Emergency Battens and Spotfires aided in achieving energy savings of 73% and maintenance savings of $330.

The challenges that were presented to WBS were easily solvable using LED fixtures with dim-down technology and EMIoT network.

The installation of LED lighting fixtures notably contributed to the energy and maintenance savings achieved for the project. LED lighting fixtures:

  • Possess a longer life expectancy meaning bulbs will not require constant replacement.
  • Consumer less power than fluorescents making them more energy efficient.
  • Maintain brightness over an extended period of time, hence not requiring replacement.
  • Emit light through its energy rather than using heat to produce light.
  • Consume only a portion of the energy required by fluorescent technology, thus conserving energy.
  • Maintain the ability to be dimmed, further conserving energy.

The use of WBS Dim-Down Technology in the fire stairs and car park of the Gladesville Rd complex further contributes to the overall energy and maintenance savings achieved. Utilising this wireless technology achieves energy savings by dimming unoccupied lighting areas to 20% brightness. Fixtures located at points of entry are fitted with sensors, when movement is detected, the sensor transmits wirelessly to all receivers in range to illuminate. This zone controlled method of dimming illuminates what is ahead of you, creating increased safety and comfort for inhabitants. The client saw potential in the obvious energy savings associated with this technology, but also the benefits it can provide tenants.

The installation of EMIoT also contributed to the energy and maintenance savings achieved for the Gladesville Rd complex. The EMIoT system was installed wirelessly throughout the building creating a scalable and stable network. EMIoT presents an IoT foundation for future smart building devices to connect to, provides transparency of lighting results to facility and building management, allows for the ability to predict maintenance of lights and offers real-time insight into building operations. The client was impressed with the autonomous testing of EMIoT and replacement of failed or faulty lights as part of the 5-year service agreement.

Through EMIoT technology WBS is able to achieve energy savings of 5033.93 kWh per year which on average equates to $1208.14 savings on the energy bill. All EMIoT projects come with a 5-year service agreement including all light fittings, installation, monitoring and remote testing in the fixed project price. Therefore, eliminating maintenance costs over the next five years. Via this agreement, WBS is able to eliminate an estimated $304.00 per year on emergency light maintenance.

Despite only replacing 34 lighting fixtures, WBS Technology was still able to achieve comprehensive energy and maintenance savings. Previous challenges have been excluded and the EMIoT network has provided an IoT foundation with supportable technology and a 5-year service agreement.

Products Used

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