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The map starts in the front yard of a suburban house, surrounded by a wooden fence with a boundless plane of grass beyond it. Inside the house are a collection of standard Doom enemies. From the basement of the house, a blue "soulsphere", a standard Doom power-up, can be seen through a window to the outside. Exiting the house to attempt to ...
The original Backrooms image posted on 4chan, of a HobbyTown under renovation.. The Backrooms are a fictional location originating from a 2019 4chan thread. One of the best known examples of the liminal space aesthetic, the Backrooms are usually portrayed as an impossibly large extradimensional expanse of empty rooms, accessed by exiting ("no-clipping out of") reality.
A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage .
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 gas. [4]
Sewerage (or sewage system) is the infrastructure that conveys sewage or surface runoff (stormwater, meltwater, rainwater) using sewers. It encompasses components such as receiving drains , manholes , pumping stations , storm overflows, and screening chambers of the combined sewer or sanitary sewer .
Suddenly a humanoid figure darts towards him, and he barely escapes through a crawlspace. After this, he travels through strange tunnels with warped stop signs and another red-lit city, eventually coming across a house in the middle of a room. Inside, he hears a man speaking on a phone. He explains that he is trapped in the Backrooms and needs ...
Since 1994, the ISS tunnels have prevented more than 37 billion US gallons (1.4 × 10 11 L) of combined sewer overflows (CSOs) [9] and sanitary sewer overflows (SSOs) from entering area waterways, including Lake Michigan. Between 1994 and 2000, CSOs decreased from 40 to 60 events per year to an average of 2.5 events per year (WDNR 2001).
The Metropolitan Waterworks and Sewerage System [1] (Tagalog: Pangasiwaan ng Tubig at Alkantarilya sa Kalakhang Maynila), [5] formerly known as the National Waterworks and Sewerage System Authority (NAWASA), is the government agency that is in charge of water privatization in Metro Manila and nearby provinces of Cavite and Rizal in the Philippines.