◆ Full size internal throat diameters for maximum access
◆ H20 Load rating
◆ Rugged cast iron covers and body rings
◆ Graphic "Do NOT FILL" warning permanently cast into the cover
◆ Two recessed stainless steel bolts with O-rings to secure cover
◆ Gasket located in body ring to prevent contamination from rain water
or during washdown
◆ sturdy, extra long steel skirts
◆ Individually boxed for ease of handling

The TDW series manholes are designed for monitoring and observation well applications where limited access and clear identification are essential. Two selfaligning stainless steel bolts secure the cover to the body ring. A gasket located in the ring prevents contamination from survace water. The series cast iron covers and body rings are heavily ribbed to ensure maximium loading bearing capacity.