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     SITE NAME SOMERVILLE STREET / ELLIS STREET   SITE NO. 6275    
APPROACH DEFINITIONS    
                                           
PHASE APPROACHES                                  
Approach No EXTENDING DETECTORS APPROACH TIMER AND TIMESETTING DEFINITION* SIGNAL GROUP APPROACH EXPIRY (EXPAP) Refer Special Notes    
1 1 A11, B33 1 AØ↔BØ      
2 4 A22 2        
3 3 A33, C33 2 AØ↔CØ    
4 2 B11, D11 4        
5 5 B22, C22, D22 4, 3 BØ→CØ, CØ→DØ      
6 6 C11 3        
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  *  There are 8 approach timers and 4 approach timesettings available per phase:    
     - Where there are 4 or fewer approaches per phase, allocate one timesetting to each timer.    
       For example: A11. A22, A33, B11, C11.    
     - Where there are more than 4 approaches per phase, two or more timers must have the same timesetting.    
       For example: A11. A21, A32, A43, A54, B11.    
                                   
SPECIAL APPROACHES                                  
Approach No EXTENDING DETECTORS APPROACH TIMESETTING SIGNAL GROUP DESCRIPTION Refer Special Notes    
1              
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DESIGNED BY: GERALD TAMARAY           DATE 22/05/18