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     SITE NAME CALDER HWY / PYRENEES HWY   SITE NO. 7549  
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 2 A22 5        
3 6 A33 6 AØ→CØ    
4 3 B11 2      
5 4 B22 2      
6 5 C11 3      
7 7 C22 4      
8            
9            
10            
11            
12            
13            
14            
15            
16            
       
  *  There are 8 approach timers and 4 approach timesettings available per phase:  
     - Where there are 4 or less 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            
2            
3            
4            
                                         
DESIGNED BY: DARREN VAUGHAN           DATE 25/02/08  
G:\TMC Opsheets\Pending\[7549.htm]Approach