Standard Box Forms

  • Applications
    Highways, Railroads, Utility structures, Storm water retention, Tunneled Installations, Conduit, Improved Flow, Pump stations, Wells, Storm water Management, Catch Basins, Curb Inlets, Junction Boxes
  • Materials
    Concrete: 4,000 PSI, Type I/II cement
    Manufactured to ASTM C-913
    Grade 60 reinforcement
  • Notes
    Pull-in-irons, sumps, inserts and other hardware
    Available for special utility applications
    AASHTO H20 design loading available
Description
Riser Selection Base Selection
Lengh Width WT BS
MIN MAX VF Tons
MIN MAX Slab Tons
2′-0″ 2′-0″ 6″ 6″
1″-0″ 4′-0″ 0.38
1′-0″ 4′-0″ 0.34
4′-0″ 2′-0″ 6″ 6″
1′-0″ 4′-0″ 0.53
1′-0″ 4′-0″ 0.56
3′-0″ 3′-0″ 4″ 4″
1′-0″ 3′-0″ 0.33
1′-0″ 3′-0″ 0.34
3′-0″ 3′-0″ 6″ 6″
1′-0″ 6′-0″ 0.53
1′-0″ 6′-0″ 0.60
4′-0″ 4′-0″ 6″ 6″
1′-0″ 6′-0″ 0.68
1′-0″ 6′-0″ 0.94
4′-3″ 3′-0″ 8″ 8″
1′-0″ 4′-0″ 0.86
1′-0″ 4′-0″ 1.21
5′-0″ 5′-0″ 6″ 6″
1′-0″ 6′-0″ 0.83
1′-0″ 6′-0″ 1.35
6′-0″ 6′-0″ 6″ 6″
1′-0″ 8′-0″ 0.98
1′-0″ 8′-0″ 1.84
8′-0″ 8′-0″ 6″ 6″
1′-0″ 5′-0″ 1.28
1′-0″ 5′-0″ 3.04
8′-6″ 4′-6″ 6″ 6″
1′-0″ 6′-0″ 1.05
1′-0″ 6′-0″ 1.96
8′-0″ 6′-0″ 6″ 6″
1′-0″ 6′-0″ 1.13
1′-0″ 6′-0″ 2.36
10′-0″ 3′-0″ 8″ 8″
1′-0″ 5′-0″ 1.43
1′-0″ 5′-0″ 2.46
10′-0″ 5′-0″ 6″ 6″
1′-6″ 6′-0″ 1.20
1′-0″ 6′-0″ 2.48
12′-0″ 6′-0″ 6″ 6″
1′-6″ 6′-0″ 1.43
1′-0″ 6′-0″ 3.41