A/T    
                      Recommended Edge Distance & Spacing    
     
     
       
    Edge  
Anchor Embedment Distance Spacing 
Diameter Depth Requirements Requirements
       
1/4 1 1/8 1 31/32 3 15/16
1/4 2 7/8 2  5/32 4  5/16
       
3/8 1  1/4 2  3/16 4  3/8
3/8 1  3/4 3  1/16 6  1/8
3/8 4  7/16 3 21/64 6 21/32
       
1/2 1 1/2 2  5/8 5  1/4
1/2 2 1/2 4  3/8 8  3/4
1/2 6 1/4 4 11/16 9  3/8
       
5/8 2    3  1/2 7     
5/8 3 1/4 5 11/16 11  3/8
5/8 9    6 59/74 13 22/37
       
3/4 2 5/8 4 19/32 9  3/16
3/4 3 3/4 6  9/16 13  1/8
3/4 10 5/8 7 31/32 15 15/16
       
7/8 3 7/8 6 25/32 13  9/16
7/8 8 2/3 6 33/64 13  1/32
       
1 4    7      14     
1 10 1/2 7  7/8 15  3/4
     
     
     
  Edge Distance and Spacing Requirements  
       
Embedment (E) in Spacing Edge
Anchor Diamters   Distance
       
E<6d (shallow) 3.5E 1.75E
6d<E<8d (standard) 2.00E 1.00E
8d>E (deep)   1.50E 0.75E
       
     
     
     
                  A/T    
                      Recommended Edge Distance & Spacing    
     
     
       
    Edge  
Anchor Embedment Distance Spacing 
Diameter Depth Requirements Requirements
       
1/4 1.1250 1.9688 3.9375
1/4 2.8750 2.1563 4.3125
       
3/8 1.2500 2.1875 4.3750
3/8 1.7500 3.0625 6.1250
3/8 4.4375 3.3281 6.6563
       
1/2 1.5000 2.6250 5.2500
1/2 2.5000 4.3750 8.7500
1/2 6.2500 4.6875 9.3750
       
5/8 2.0000 3.5000 7.0000
5/8 3.2500 5.6875 11.3750
5/8 9.0630 6.7973 13.5945
       
3/4 2.6250 4.5938 9.1875
3/4 3.7500 6.5625 13.1250
3/4 10.6250 7.9688 15.9375
       
7/8 3.8750 6.7813 13.5625
7/8 8.6875 6.5156 13.0313