Tennis Court Lighting Photometric Data

        
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            Single Recreational & Residential Court 
(Court 1)

Lumen Rating  107,800
Initial Foot candle levels at 3-foot above court
Fixtures are mounted at 22' above court

    Summary          Click here for Definitions
    Average    62.79
    Maximum  76.3
    Minimum   46.3
    Avg/Min Ratio   1.36
    Max/Min Ratio  1.65 

Click here to view 3-D Photometric Illustration 		
            Dual Recreational & Residential Court 
(Court 2)

Lumen Rating  107,800
Initial Foot candle levels at 3-foot above court
Fixtures are mounted at 22' above court

    Summary          Click here for Definitions
    Average    65.81
    Maximum  102
    Minimum   46.3
    Avg/Min Ratio   1.42
    Max/Min Ratio  2.20

Click here to view 3-D Photometric Illustration		
        

        

            

        

        

             Single Tournament & Club Court 
(Court 3)

Lumen Rating  107,800
Initial Foot candle levels at 3-foot above court
Fixtures are mounted at 22' above court

    Summary          Click here for Definitions
    Average    72.1
    Maximum  79.4
    Minimum   61.1
    Avg/Min Ratio   1.18
    Max/Min Ratio  1.30

Click here to view 3-D Photometric Illustration		
             Dual Tournament & Club Court
(Court 4)

Lumen Rating  107,800
Initial Foot candle levels at 3-foot above court
Fixtures are mounted at 22' above court

    Summary          Click here for Definitions
    Average    74.73
    Maximum  99.8
    Minimum   59.4
    Avg/Min Ratio   1.26
    Max/Min Ratio  1.68

Click here to view 3-D Photometric Illustration		
        

        

            

        

        

             Dual Narrow Recreational & Residential Court (Court 5) 

Lumen Rating  107,800
Initial Foot candle levels at 3-foot above court
Fixtures are mounted at 22' above court

    Summary          Click here for Definitions
    Average    66.95
    Maximum  109
    Minimum   41.1
    Avg/Min Ratio   1.63
    Max/Min Ratio  2.65

Click here to view 3-D Photometric Illustration		
             Dual Narrow Tournament & Club Court 
(Court 6) 

Lumen Rating  107,800
Initial Foot candle levels at 3-foot above court
Fixtures are mounted at 22' above court

    Summary          Click here for Definitions
    Average    74.22
    Maximum  111
    Minimum   49.9
    Avg/Min Ratio   1.49
    Max/Min Ratio  2.22

Click here to view 3-D Photometric Illustration		
        

        

            

        

        

            Lumen Rating: the unit of measurement used to indicate the quantity or intensity of any lamp.  Think of it in terms of the lamps raw power.  Lumens are measured at the lamp.  Lumens are used in the lumen method calculation to determine the number of fixtures necessary and their spacing to maintain a given foot candle level as prescribed by IES (Illuminating Engineering Society.)
        

        

            

        

        
        

            
            

            
Definitions

            

            

                
                    

                        Recommended Illumination For Outdoor Tennis Facilities
                    

                    

                        Performance Criteria
                        
                        
Recommended

                        		
                        
                        
Minimal

                        		
                    

                    

                        Excellent
                        Very Good
                        Good
                        Fair
                    

                    

                        Average Maintained Horizontal Foot candles within PPA
                        125
                        100-75
                        75-50
                        50-30
                    

                    

                        Minimum Maintained Horizontal Foot candles within PPA
                        100
                        100-60
                        60-40
                        40
                    

                    

                        Maximum Uniformity Ratio
                        1.50
                        1.70
                        2.00
                        2.50
                    

                
            

            

            		
        

        

            Notes:
            
    
                
  1. Maintained horizontal foot candles is determined by applying a light loss factor (LLF) to the initial calculated or measured foot candles.  LLF is dependent upon lamp characteristics, fixture design, fixture maintenance, voltage variations and atmospheric conditions.  It normally varies between .6-.85.  
    2. 
                
  2. Average maintained and minimum maintained horizontal foot candles should be calculated within the playing lines and/or within the Primary Playing Area (PPA) determined by the specifications of the project with foot candle values multiplied by the appropriate LLF. 
    3. 
                
  3. Uniformity ratio is defined as the ratio of maximum foot candles divided by the minimum foot candles. 
    4. 
                
  4. Primary Playing Area (PPA) is defined as the area that includes 6' beyond the sidelines and 10' behind the baseline. 
    5. 
            

            		
        

        

            


            


        

    



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