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A round manhole and its cover. A manhole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.
January 1 – In South Boston, Massachusetts, a paper boy was killed by a flying manhole cover, 11 persons were severely injured and property damage running into thousands of dollars was entailed in a terrific gas explosion that threw 13 manhole covers into the air. When gas company employees used pickaxes to uncover the leak to repair the pipe ...
A sanitary manhole under construction. A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage ...
A vicar from Shropshire has said he is concerned that raw sewage overflowing from a manhole during floods could be reaching a river. Paul Cawthorne said there were bits of macerated toilet paper ...
The manhole cover business has turned over the years, from the sort of ornate covers that a business like Berry’s Foundry might have crafted to drabber covers that dot Sacramento’s streets today.
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Manhole covers in Helsinki, Finland. Manhole closings are protected by a grating or manhole cover, a flat plug designed to prevent accidental or unauthorized access to the manhole. These covers are traditionally made of metal, [2] but may be constructed from precast concrete, glass reinforced plastic or other composite materials (especially ...
EJ Group, formerly East Jordan Iron Works, is an American manufacturer of iron products, headquartered in East Jordan, Michigan.The company manufactures and distributes iron construction castings (Municipal castings), fabricated products, composite products, water distribution solutions, and other infrastructure access products for water, sewer, drainage, telecommunications, and utility ...
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