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The City of Los Angeles also created an ordinance creating the Office of Plumbing Inspector as part of the city's Board of Health in 1887 [2] Later the City of Los Angeles adopted Ordinance No. 1656 May 1, 1893 [3] which established an examining board for master plumbers, registration of master and journeyman plumbers, requiring approval of the ...
The IPC is the most widely used plumbing code in the United States and is also used as the basis for the plumbing code of several other countries [citation needed].Wide adoptions are important as they help reduce manufacturer and end-user costs by allowing the use of materials across a wide user base, thus allowing economies of scale in the production of materials used in construction.
Plumber exiting a sewer via a manhole. Years of training and/or experience are needed to become a skilled plumber; some jurisdictions also require that plumbers be licensed. Common plumbing tasks and skills include: Reading drawings and specifications, to determine the layout of water supply, waste, and venting systems
A radio repeater is a combination of a radio receiver and a radio transmitter that receives a signal and retransmits it, so that two-way radio signals can cover longer distances. A repeater sited at a high elevation can allow two mobile stations, otherwise out of line-of-sight propagation range of each other, to communicate. [1]
This code is also used as the basis for the plumbing codes of some other countries. Another model plumbing code published and utilized widely across the United States is the Uniform Plumbing Code , published by the International Association of Plumbing and Mechanical Officials ( IAPMO ), a multinational operation with offices in 13 nations.
IAPMO was founded on May 17, 1926, with the mandate "to advance the latest and most improved methods of sanitation; to promote the welfare of and harmony between the owner, the builder, and the craftsman; to accomplish a uniformity in the application of the provisions of the ordinances; and to promulgate the mutual benefit of the members."
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The current master gateway in the United States is operated by the K5TIT group in Texas, who were the first to install a D-STAR repeater system in the U.S. [10] D-STAR transfers both voice and data via digital encoding over the 2 m (VHF), 70 cm (UHF), and 23 cm (1.3 GHz) amateur radio bands.