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Now Manhole Barrier Systems provides cost-effective, tamper-proof manhole locks that keep your underground infrastructure safe and secure:

Solid stainless steel construction - virtually impossible to drill or cut through.

Full-size barrier - covers the entire manhole…
even if the cover is missing.

Keeps thieves, saboteurs, vandals, and terrorists above-ground and visible --
and out of your underground systems where
they can remain unseen and really do damage.

IED Protection - manholes are ideal receptacles to house or vehicles to deliver improvised explosive devices.

Completely self-contained - no parts to
secure or assemble.

Weighs only 35 pounds - can be installed in less than 5 minutes by a single worker.

Unlocks only with your coded T-wrench or key - prevents unauthorized personnel from accidentally entering the wrong manhole.

Fits any size manhole - available in diameters ranging from less than 32 inches to more than 44 inches ... can be custom made to fit any underground access hole.

Long service life -- covered by our unconditional 10-year replacement guarantee.

Rapid ROI - pays for itself many times over by preventing service shut-downs and infrastructure damage.

9/11 and ongoing global terrorism have put the spotlight firmly on infrastructure security. Now, by locking your manholes with the Manhole Barrier System, you show your important customers that you're helping to keep them safe.



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