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September 2002

Specialist Lighting

A Practical Guide To Lighting Golf Ranges.

Part 2: Lighting Solutions

When asked “How To Light a Golf Range?” most people automatically think of traditional End of Range systems. This type of floodlighting is familiar to most golfers and known to provide excellent viewing conditions; so why consider any alternative method?

The reason is that we are in an era of change, where environmental issues must also be considered and one of the prime concerns is Light Pollution. In Part 1 of this Practical Guide the issue of Light Pollution was discussed in detail. In Part 2 we look at various ways to light Golf Ranges and show that there are alternative options available that may alleviate the impact of floodlighting on the surrounding locality.

Floodlighting Options There are at least 4 Lighting Systems that could be employed to floodlight a typical golf range, dependent upon the locality.

1. End Range Floodlighting. 2. Side Lighting. 3. Berm Lighting. 4. Pit Lighting.

The final proposal maybe a mixture of several lighting systems, combining to reduce the environmental impact and provide the most effective lighting solution for the venue.

The quality of the final installation however, will be greatly dependent upon using specified equipment. Part 3 of this Practical Guide will discuss lighting equipment selection in detail.

Examining each Lighting System in turn we can explore the features and benefits of each and produce a quick reference table of suitability against key design criteria (table 1).

1. End Range Floodlighting is the conventional Golf Range Lighting System utilising high powered, parabolic beam floodlights directed towards the end of range. Lamp sizes are typically 400W to 1000W HID (High Pressure Discharge). Floodlights are usually mounted at heights of between 4m to 10m above ground level, either on separate mast structures or affixed to the roof of Golf Booths. There is often a need to include additional low powered wide beam floodlights at the golf booth roof edge to illuminate the first 10m to 15m of range, if the separate Tee lighting does not flow this far. The power and beam spread of HID projector floodlights is selected to achieve a specified vertical lighting level on the golf ball at the end of range (measured in Lux). At all closer distances the vertical lighting level on the golf ball will generally exceed minimum requirements. Glare to the surrounding locality is a symptom of End Range Systems. This can only be reduced by the inclusion of adequate screening towards offending direction(s). Sky Glow from End Range Systems is usually excessive, irrespective of the method of screening employed and can not be effectively reduced.

2. Side Lighting consists of tall columns located along one or both sides of the range, with small arrays of floodlights aimed across and down the range. Since the throw of each floodlight is less than with an End Range system, a “Fan Type” medium beam lighting distribution can be utilised. Column heights of between 10m to +15m are necessary to allow adequate illumination across the full range width. Side Lighting is probably the least efficient golf range system in terms of achieving lighting specifications. However, it can be used to reduce glare from end of range viewing directions and is easily combined with other lighting systems.

3. Berm Lighting refers to a ground mounted lighting system where golf range floodlights are located behind small, grass covered earth mounds termed Berms. Not only are the floodlights hidden from golfers direct view, but in providing minimal height boundary screening they can not be seen by the surrounding locality unless overlooked. A Berm System will therefore provide no glare in most instances. The system can not eliminate Sky Glow, but due to the even spread of less intense upward light the effect is greatly reduced compared to conventional range floodlighting. Berm floodlight units will ne

 

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