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A manhole (utility hole, maintenance hole, [1] or sewer hole) is an opening to a confined space such as a shaft, utility vault, or large vessel.
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 manhole cover for a sanitary sewer access point. View looking down into an open manhole showing two converging sanitary sewer lines. The larger line enters from the right and changes direction within the manhole to exit from the top of the photo. A smaller line enters from the bottom of the photo under the access steps.
In 2023, China embarked on a 10,000-metre (33,000 ft; 6.2 mi) super-deep borehole in the Tarim Basin in the Xinjiang region for scientific, oil and gas exploration. [ 24 ] [ 25 ] [ 26 ] In March 2024, drilling of the borehole, which is known as Shendi Take 1, reached a depth of 10,000 metres.
Manholes can fill with gases that are heavier than breathable air. ... Kids that were in grade 2-6 during the pandemic are frighteningly far behind their older counterparts and have a deep deep ...
Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain, [1] surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved ...
‘Amazing’ father of 4 dies after falling into manhole at school, Georgia family says. Tanasia Kenney. July 13, 2023 at 1:07 PM. ... Authorities said the hole was 25 to 35 feet deep. When he ...
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.