TDS Resources

Trench Drain Systems

Load Chart / Traffic Ratings


Class A

Class B

Class C

Class D

Class E

Class F


Light Traffic, Residential Use, Gardens, Patios, Landscapes, Pedestrian Areas, Bicycles, Carts, Pools

Domestic Cars and Light Trucks, Small Planes, Light Traffic Parking Lots, Driveways, Sidewalks, Parks and Recreation

Forklifts/Pneumatic Tires, Medium Sized Vehicles, Commercial Parking Lots

Commercial Airliners, Parking Lots, Warehouses, Main Roads

Industrial Areas, Construction Equipment/Vehicles, Loading Docks, Heavy Aircraft, Airports, Cargo Handling Yards

Highway Traffic, Roads, Airports, Terminals, Docks, Extreme Weight Conditions


3,372 lbs per foot (15 kN)

28,100 lbs per foot (125 kN)

56,200 lbs per foot (250 kN)

89,920 lbs per foot (400 kN)

134,800 lbs per foot (600 kN)

202,320 lbs per foot (900 kN)

Kristie PohlmanTDS Load Chart