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The California Contractors State License Board (CSLB) was established in 1929 as the Contractors License Bureau under the Department of Professional and Vocational Standards. Today it is part of the California Department of Consumer Affairs (DCA).
Special accredited courses are given to test & repair backflow assemblies and only certified testers may test backflow assemblies. There are approximately fifteen devices related to backflow which cannot be tested, as they do not have isolation valves or test ports and there are no standards (test procedures) set in place to test for any device.
The 2012 Uniform Plumbing Code is supported by the American Society of Sanitary Engineering (ASSE), the Mechanical Contractors Association of America (MCAA), the Plumbing-Heating-Cooling Contractors National Association (PHCC-NA), the United Association (UA) and the World Plumbing Council (WPC). These associations support IAPMO’s open ...
Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap.An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool.
The American Society of Safety Professionals (ASSP), formerly known as American Society of Safety Engineers (ASSE), is a global organization of occupational safety and health (OSH) professional members who manage, supervise, research and consult on work-related OSH concerns across all industries. Society members use risk-based approaches to ...
In heating, ventilation, and air conditioning (HVAC), testing, adjusting and balancing (TAB) are the three major steps used to achieve proper operation of heating, ventilation, and air conditioning systems. TAB usually refers to commercial building construction and the specialized contractors who employ personnel that perform this service.
Angi (formerly Angie's List) is an American home services website owned by Angi Inc., a publicly traded subsidiary of IAC. Founded in 1995 by Angie Hicks and William S. Oesterle, it allows users to search for contractors to provide paid home improvement work. The service was originally developed as a database of reviews for local services.
The Top 100 Contractors Report on the Federal Procurement Data System lists the top 100 defense contractors by sales to the United States Armed Forces and Department of Defense. ('DoD 9700' worksheet). [ 1 ]