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Miami-Dade Specifies ConMICShield® for New Manholes and Pipe
Miami-Dade, Florida, has an area where levels of Hydrogen Sulfide Gas are extremely high.
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| Categories: Case Studies | View Count: (1228)
Still Going Strong 17 Years Later
Project combines Permacast® with ConMICShield® to Repair AND Prevent Damage from MIC
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| Categories: Case Studies | View Count: (1631)
Lined Manhole Remains Intact after Sewer Collapses
Lined Manhole Remains Intact after Sewer CollapsesIn late July, the City of Chicago experienced unusually heavy rainfall with accumulations exceeding 7 inches in just a few short hours. Such heavy storm events overburden systems causing uncommonly high erosion of pipe and manholes in combination systems that convey both storm water and sanitary waste.
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Maline Structure, St. Louis, MO
The Maline Drop Shaft located near the Chain of Rocks Bridge is just like concrete sewer structures everywhere. They corrode when hydrogen sulfide gas is present. Moderately-high temperatures, long retention times, high biological oxygen demand (BOD) levels, and turbulence contribute to elevated levels of hydrogen sulfide gas which, in turn, provide the food for acid-producing bacteria.
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Hampton, Virginia
In 2000, the manholes near City Hall in Hampton, Virginia, were identified as being severely deteriorated from high levels of hydrogen sulfide gas which fed bacteria to form Microbiologically Induced Corrosion
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Manholes Take Center Stage in Chicago
$60 Million project under way using advanced mortar for rehab work.
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Anti-Microbial Additive Helps Concrete Survive in Sewer Project
Anti-Microbial Additive Helps Concrete Survive in Sewer Project
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Sanitary Hydrogen Sulfide Corrosion Rehabilitation
Presented by: Robert P. Kelly, P.E. and James J. Smolik, P.E.
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Pipe Rehabilitation - Restoring A Corroded Sewer
Robert Kelly & James Smolik describe the user of CCCP techniques to renew a concrete sewer that had suffered hydrogen corrosion.
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| Categories: Case Studies | View Count: (2225)
Right In The Mix
Microbiologically induced corrosion (MIC) was a persistent maintenance issue for Miami-Dade (Fla.) Water and Sewer Deapartment (MDWASD).
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| Categories: Case Studies | View Count: (4624)
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