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Rip Rap AASHTO Sub Base Chemical Analysis HMA Concrete Railroad


Rip Rap Specifications

  DEL DOT MARLYLAND STATE HIGHWAY
SIZE R-3 R-4 R-5 R-6 Class 0 Class 1 Class 2 Class 3
28"               100%
24"       100%        
20"             100%  
18"     100%          
12"   100%       100%    
9"     15-50%          
8"               0-10%
7"         100%      
6" 100% 15-50%   0-15%     0-10%  
4"     0-15%          
3" 15-50% 0-15%       0-10%    
2" 0-15%       0-10%      
WEIGHT 0-25 lbs 0-100 lbs 25-400 lbs 100-800 lbs 1-33 lbs 2-150 lbs 20-700 lbs 40-2000 lbs