Pre-cast Concrete Manhole Covers and Tank Risers

At Bichler Gravel & Concrete Co. We manufacture 24" diameter Manhole Covers. They're designed to fit seamlessly with our septic tanks. 

 

 

Tuf-Tite Septic Tank Riser System:

 

 

Riser lid-with molded-in gasket. Available in 16” and 24” diameters.
Riser lid-with molded-in gasket. Available in 16” and 24” diameters.
Bichler concrete lid – with handle. Available in 16” and 24” diameters. Must be set on safety pan.
Bichler concrete lid – with handle. Available in 16” and 24” diameters. Must be set on safety pan.
Safety Pan – available for 16” and 24” risers. Comes cast-in new tanks. Can also be used on top of r
Safety Pan – available for 16” and 24” risers. Comes cast-in new tanks. Can also be used on top of r
Tank Adaptor Ring – for mounting riser or lid to tank when casting-in is not an option. Available in
Tank Adaptor Ring – for mounting riser or lid to tank when casting-in is not an option. Available in
6” tall riser available in 16” and 24” diameters
6” tall riser available in 16” and 24” diameters
12” tall riser available in 16” and 24” diameters
12” tall riser available in 16” and 24” diameters
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