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The first and second points we have discussed in riinci at previous meetings, now it's time we move on to discuss the third point is about the selection of street lighting equipment. To determine the type of street lighting to suit the road conditions and obtained pecahayaan memadahi buddy can follow and refer to the following description.
- 40-meter pole
- Lighting unit which is mounted on the center road divider twins must use a twin mast arm along 6 meters and street lighting units installed shabby chic kitchen must use the arm poles towering over 12 meters.
If the distance and slope memadahi space available, vertical head lighting units can be used. Vertical mast head is usually as high as 45 feet with a single arm or double arm mounted barbed aramatur soars with 250 watt HPS lamps. Mast height of 49 meters can also be used with a 400 watt HPS lamps armature. Mast head can be mounted shabby chic kitchen on a vertical separation of twins and the road amid the bridge.
The third type of equipment that is widely used is of high mast lighting units. High mast lighting units applied to the type of lighting an open area with 3 or 4 of the armature 1000-watt HPS lamp mounted shabby chic kitchen on a pole or tower loomed, with heights varying from 100 meters to 120 meters or more. Mounting height of armature lights (luminaires) can be developed in order to obtain a uniform distribution of light outpur.
High mast lighting is used primarily in the required places such as lighting a continuous shabby chic kitchen peneranganan persimpaanga center (interchange), highway lighting, lighting and parking areas rest areas, common area lighting, and for continuous lighting on the highway that has a broad intersection and a large number of traffic lanes.
High mast lighting is also required at a place close to residential lighting that requires continuous and does not require conventional treatment, where conventional treatments illumination units can be a hazard to the traveling public and maintenance personnel.
The main benefit of the application of high mast lighting is the ability to provide excellent light uniformity and reduces glare on the pole locations. This is especially true in the center of the intersection (interchange) and the area of other more complex way. While the utilization efficiency of high mast lighting for street people is quite low, due to the way the individual can typically illuminated with light armature (luminaire) single pole.
High mast lighting in general lighting can provide a transition to the unlighted highway. High mast lighting contributes both to the safety of the rider and the aesthetics by reducing the number of poles to be installed. Besides, shabby chic kitchen does not require treatment, because conventional treatment shabby chic kitchen may prevent or interfere with traffic on the highway, or the safety of maintenance personnel are located near high-speed traffic.
The design and installation of high mast lighting equipment is more complex than conventional lighting. Poles or towers with other methods and devices require a special design in the armature mounting lights (luminaires) and considerations in treatment.
Armature type lights (luminaires) are most widely used in high mast lighting is kind of an area, which has two types of light distribution is symmetric or asymmetric. Both types of distributions are often inadequate when used in accordance with the area to be illuminated, as it can minimize light spill / lost.
If an area requires a more decorative lighting system, can choose armature pole painted brown with lights (luminaire) and brown shoe box beams tilted mast arm is the only decorative lighting unit that is still preserved. Painted pole can be used on the road dividers twins and bridges. shabby chic kitchen Armature lights (luminaire) shoe boxes should only be used