Manhole castings

Hamilton Kent Lifespan System
April 2013, Vol. 68 No. 4

The Lifespan System is a watertight, corrosion-proof, non-conductive, locking rubber manhole frame and lid system that prevents rain derived inflow from entering sanitary sewers through the top of the manhole.

Eliminate Unwanted Flows With Rubber Manhole System
May 2012, Vol. 67 No. 5

The Lifespan System, manufactured by Hamilton Kent, is a watertight, corrosion-proof, non-conductive, locking rubber manhole frame and lid system that prevents rain derived inflow from entering sanitary sewers through the top of the manhole. And it retains the hydraulic, water-tight and structural integrity of the underlying concrete structure; thereby delivering a longer service life.

Adjustable Manhole Frames Avoid Costly Problems
Jeff Griffin, Senior Editor
December 2010 Vol. 65 No. 12

Misaligned manhole frames in streets often cause driving hazards, failure of pavement around the frames, cause poor access to manholes, may be responsible for inflow and infiltration and can also result in other problems. Because manhole frames are not manufactured to be adjustable, efforts to make repairs is time consuming and often ineffective.

egeplast/Werner Strumann GmbH SL 1000 Manhole System
June 2009 Vol. 64 No. 6

With the new SL 1000 Manhole System, egeplast provides a monolithic wastewater manhole made from PE material.

Mr. Manhole Cutter/Extractor
March 2009 Vol. 64 No. 3

The Mr. Manhole Cutter/Extractor is a tool the cuts a circular groove around a manhole frame and removes the frame and road over cut in one five- to 10-minute operation.

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