Search results
Results from the WOW.Com Content Network
The Virginia Graeme Baker Pool and Spa Safety Act (VGBA) is a United States law named after Virginia Graeme Baker, who died after sustaining a pool suction-drain injury in June 2002, when the suction from a spa drain entrapped her under the water. It is incorporated as Title 14 of the U.S. Energy Independence and Security Act of 2007 (EISA ...
Pool suction-drain injury, also known as suction entrapment, occurs when the drain of a wading pool, swimming pool, hot tub, or fountain sucks in a swimmer's jewelry, torso, limbs, hair or buttocks. In some cases of buttocks entrapment, victims are disemboweled. In the United States, 147 incidents were documented between 1985 and 2002 of which ...
Two distinct and separate methods are employed in the sanitation of a swimming pool. The filtration system removes organic waste on a daily basis by using the sieve baskets inside the skimmer and circulation pump and the sand unit with a backwash facility for easy removal of organic waste from the water circulation.
Retention basin. A retention basin, sometimes called a retention pond, wet detention basin, or storm water management pond (SWMP), is an artificial pond with vegetation around the perimeter and a permanent pool of water in its design. [1][2][3] It is used to manage stormwater runoff, for protection against flooding, for erosion control, and to ...
Bestway Group Limited is a British conglomerate founded by Sir Anwar Pervez in 1976. The group operates in the United Kingdom and Pakistan, and is currently based in London. The group originally began as Bestway Wholesale. The group would form property firm Palmbest in 1990, and Bestway Cement in 1995. In 2002, the group acquired a minority ...
Pool with side skimmer. A skimmer or surface separator[1] (it separates substances from the surface of a liquid) [2][3] is an essential accessory for the maintenance and cleaning of the water in a swimming pool. It is used to remove all the surface dirt floating on the water surface, such as leaves, tanning oil and human secretions.
Pool drain vortex as viewed from above the water at Grange Park wading pool Underwater view of drain, showing vortex-formation phenomenon. A drain is the primary vessel or conduit for unwanted water or waste liquids to flow away, either to a more useful area, funnelled into a receptacle, or run into sewers or stormwater mains as waste discharge to be released or processed.
Riffle-pool sequence. In a flowing stream, a riffle-pool sequence (also known as a pool-riffle sequence) develops as a stream's hydrological flow structure alternates from areas of relatively shallow to deeper water. This sequence is present only in streams carrying gravel or coarser sediments. Riffles are formed in shallow areas by coarser ...