Patented
Lift & Lock
Manhole Covers

Manhole Cover Safety

Manhole Cover Security

FAQ

Demo Videos

Press Releases


Request a quote or ask a question about Lift & Lock Manhole Covers

WANTED: A partner in the electronics field to develop, design, and produce a status monitor to be used in conjunction with Lift & Lock manholes.
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Demonstration Videos


Removing a Lift&Lock™ Manhole Cover (WMV Format) [1.06 MB]

Removing a Standard Manhole Cover (WMV Format) [1.06 MB]
 
A. A. Schrage P.E., Inc.
A. A. Schrage, President,
Professional Sanitary Engineer
3368 Galaxy Blvd.
Sterling Heights, MI 48314
Phone: (586)323-0363
Email: aaschrage@sbcglobal.net