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Floor drain system in bathroom, Korea. A floor drain is a plumbing fixture that is installed in the floor of a structure, mainly designed to remove any standing water near it. They are usually round, but can also be square or rectangular. They usually range from 2 to 12 inches (5.1 to 30.5 cm); most are 4 inches (10 cm) in diameter.
Designated as an American National Standard, the Uniform Plumbing Code (UPC) is a model code developed by the International Association of Plumbing and Mechanical Officials to govern the installation and inspection of plumbing systems as a means of promoting the public's health, safety and welfare.
The drain is characterized by its long length and narrow width, the cross-section of the drain is a function of the maximum flow volume anticipated from the surrounding surface. Channels can range from 1 inch (2.5 cm) to 2 feet (61 cm) in width, while depths can reach up to 4 feet (120 cm).
A drain-waste-vent system (or DWV) is the combination of pipes and plumbing fittings that captures sewage and greywater within a structure and routes it toward a water treatment system.
“Commercial drain cleaners and de-cloggers can be very hard on the pipes, so I love to try simple, more natural methods first before advancing to a commercial cleaner,” Koch says. Related: 10 ...
Building envelope design is a specialized area of architectural and engineering practice that draws from all areas of building science and indoor climate control. [2] The many functions of the building envelope can be separated into three categories: [3] Support (to resist and transfer structural and dynamic loads)
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Meet the Experts: Amesh A. Adalja, M.D., senior scholar at the Johns Hopkins Center for Health Security; Meilan King Han, M.D., M.S., professor of medicine and chief of the Division of Pulmonary ...