Q1: What are LEDs?
A1: LED stands for Light Emitting Diode.
This is a semiconductor component which turns electric current into light. An LED is produced in a similar way as ICs “chips”, which are used in computers and phones. Therefore an LED is reliable, but will also have a very good price/performance curve over the years. In other words, they will give much more light for a lower price over the years. Currently, the light output of LEDs, compared with Metal Halide Lamps, is similar on a Total System Power basis.
Q2: What are the biggest differences between LED and conventional sports floodlighting?
A2: LED fixtures are directly switchable on-off-on-off-… and switch immediately to the requested light level.
This means that user-friendly electronic control is possible. LED Luminaires use less energy than conventional sports field luminaires because you will only need to switch on the lighting when it is needed, at the light level requested at that moment. JASSTECH LED Luminaires can also be dimmed to deliver various preset scenes, without compromising uniformity of illumination over the playing surface or space. Old style conventional lighting find this very difficult because they need to turn luminaires off, and this affects the life of some lamps.
Q3: Do JASSTECH LED Luminaires comply with the lighting standards required for sports and public lighting?
Lighting for Sports and Public Lighting in Australia and New Zealand is guided by:
- AS/NZS 2560.x Guide to Sports Lighting
- AS/NZS 1158.x Lighting for Roads and Public Spaces
- AS/NZS:4282 Control of the Effects of Obtrusive Lighting
- Various sports governing bodies.
These standards were developed to ensure the safety and enjoyment of the game for the athlete. They are very strict in terms of the amount of light, evenness (uniformity of the light) and light colour authenticity. In general, Sports Lighting standards are considered more rigorous than Road and Public Space Lighting, and are therefore more difficult to satisfy for a standard floodlight luminaire.
In order to demonstrate compliance to the relevant standard, JASSTECH will prepare a illumination design for your peace of mind. JASSTECH can also assist with the Development Application and approval by local authorities and governing bodies.
Q4: Can JASSTECH LED floodlights illuminate sports fields to the requirements and standards of the sports federations?
- Sports fields illuminated by JASSTECH are able to deliver AS2560 compliant illumination for all levels of play, from amateur training to professional match play.
- JASSTECH also ensures that all designs consider AS4282 (Control of the obtrusive effects of lighting)
Q5: How many installations are there worldwide?
A5: The short answer is there are hundreds of installations. We only provide luminaires from well established companies.
JASSTECH commissioned its first installation of sports lighting in 2012. Since then there has been over 250 very successful installations, with the number of projects installed in Australia and New Zealand growing rapidly. We have the longest experience of any LED sports lighting company in Australia, and we know what works.
Q6: Is there a difference in light perception between LED and conventional sports field floodlighting?
LED lighting is perceived as much more pleasant (dependent on colour temperature), because the whiter (more ‘crisp’) light colour, which more closely mimics daylight. Players who have enjoyed a game under the JASSTECH luminaires confirm that they experience better contrast on the ball, the lines and the opponents. This enhances player performance and playing enjoyment, but also contributes very well to the fact that high balls are easier to be seen and followed.
JASSTECH also provides a guaranteed illumination performance for 25,000 hours – with only three per cent lumen depreciation over this period. Old style Metal Halide sports lighting starts depreciating as soon as you turn them on for the very first time. After two years metal halide customers often report of failed lamps and non-compliance to Australian Standards.
INFRASTRUCTURE and OPERATION
Q7: Can LED fixtures be used within the existing infrastructure of sports parks (same masts/poles, electrical cabling etc.)?
A7: Yes, this is possible.
The JASSTECH range of sports and public space luminaires have similar sail area (windage) and mass (in kilograms) as an old style luminaire. In fact, the major pole manufacturers confirm that our luminaires are suitable for a conventional pole and footing design.
You will need to check, however, that there hasn’t been any additional load put on the pole prior to the installation of JASSTECH luminaires. You can do this by engaging an engineer, contacting the pole manufacturer, procuring plans from the site owner, and/or your local council. The cabling and the mast positions is never an issue, because we actually provide the same illumination but for less electrical load.
Q8: Is there a difference between installation of LED fixtures with new construction or within an existing infrastructure?
For new installations, in many cases it is possible to use fewer and thinner cabling for the supply to the fixtures. This reduces the cost of the investment in new construction.
For existing installations where an upgrade is required, we need to ensure that the poles are not currently at or exceed their design limits in terms of load. We generally advise to initially contact the pole manufacturer (because they have records of every installation), and engage a structural engineer to certify the poles as a matter of precaution.