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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.

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

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

12” tall riser available in 16” and 24” diameters

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