La. Admin. Code tit. 46 § LV-101
Apprentice Gas Fitter-a natural person engaged in learning the gas fitting trade by working under the direct on-the-job supervision of a gas fitter and in the employ of an employing entity. Apprentice gas fitters shall be indentured in an apprenticeship program approved by the Workforce Commission or may be unindentured and in the employ of an employing entity.
Apprentice Plumber-a natural person engaged in learning the plumbing trade by working under the direct on-the-job supervision of a journeyman plumber and in the employ of an employing entity. Apprentice plumbers shall be indentured in an apprenticeship program approved by the Workforce Commission or unindentured and in the employ of an employing entity.
Backflow-the flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable supply of water from any source or sources other than its intended source.
Backflow Prevention Device-an assembly that has been investigated and approved by the American Society of Sanitary Engineering International (ASSE), and, if applicable, by the Louisiana Department of Health and Hospitals.
Cross-Connection-any physical link in a public or a consumer's potable water supply system that allows backflows or any other source of contamination or pollution.
Direct, Constant On-The-Job Supervision-a licensed journeyman plumber/master plumber or natural gas fitter/master natural gas fitter is physically present and in direct communication at the property or jobsite for residential construction and single-story or single building commercial construction, and in the same building on the same floor level for multi-level or multi-story commercial construction, where the apprentice is engaged in plumbing. A licensed journeyman plumber/master plumber or natural gas fitter/master natural gas fitter may supervise apprentices who are engaged in plumbing or natural gas fitting at that time as governed by the Louisiana Workforce Commission. An apprentice doing work other than plumbing or natural gas fitting shall not be considered an apprentice for purposes of supervision.
Employing Entity-Repealed.
Employing Entity Gas Fitter-as that term is used in R.S. 37:1367(B) and (C) and in these regulations, shall mean a corporation, partnership or sole proprietorship that holds itself out as engaging in the business or art of gas fitting as defined in this Section and who employs and designates at least one responsible master gas fitter on a regular paid basis for actual services performed by that master gas fitter supervising gas fitters
Employing Entity Plumbing-as that term is used in R.S. 37:1367(B) and (C) and in these regulations, shall mean a corporation, partnership or sole proprietorship that holds itself out as engaging in the business or art of plumbing as defined in this Section and who employs and designates at least one responsible master plumber on a regular paid basis for actual services performed by that master plumber or master plumbers supervising journeyman plumbers.
Gas Fitter-a natural person who possesses the necessary qualifications and knowledge to install, alter, and/or repair natural gas systems; is licensed as such by the board; is supervised by a master gas fitter; and is in the employ of an employing entity.
Gas Fitting-the work or business of installing, repairing, improving, altering, or removing natural gas piping, fittings, valves, or tanks used for conveying fuel gas for appliances on or in premises or in buildings annexed to immovable property. For purposes of this Chapter, gas fitting does not include the following:
Journeyman Plumber-a natural person who possesses the necessary qualifications and knowledge to install, alter, and/or repair plumbing systems; is licensed as such by the board; is supervised by a master plumber; and is in the employ of an employing entity.
Maintenance Work-as that term is used in R.S. 37:1377.D(9) and §101Plumbing.1.i of these rules shall mean and be limited to the changing of the working parts of faucets or valves of plumbing fixtures equipped with exposed fixture supply stops; the repair or replacement of fixture trim; or the clearing of stoppages but only through cleanout fittings approved by applicable health codes adopted by the Louisiana Department of Health and Hospitals or through vent terminal openings. Such maintenance work shall specifically not include construction, installation, or repairs as defined in §101Repair.
Master Gas Fitter-a natural person who possesses the necessary qualifications and knowledge to plan and lay out natural gas systems, supervises gas fitters in the installation, alteration, and/or repair of natural gas systems, and is licensed as such by the board.
Master Plumber-a natural person who possesses the necessary qualifications and knowledge to plan and lay out plumbing systems; who supervises journeyman plumbers in the installation, alteration, and/or repair of plumbing systems; and who is licensed as such by the board.
Medical Gas and Vacuum System Verification-the work or business of testing and verifying medical gas piping installations and systems. Medical gas piping systems include vacuum piping. The medical gas piping systems subject to this definition include facilities and laboratories within the scope of National Fire Protection Association (NFPA) NFPA 99 Health Care Facilities Code, latest edition. It shall include a persons ability to understand and apply NFPA 99, as well as standards listed in section 1.4 of the Professional Qualifications Standard for Medical Gas Systems Installers, Inspectors and Verifiers, ASSE-Series 6000, Standard 6030, latest edition, and to properly document findings to be kept as a permanent record for review by the Louisiana State Fire Marshal or other governmental agencies with compliance and enforcement authority.
Medical Gas and Vacuum Systems Verifier-a natural person who possesses the necessary qualifications and knowledge to test and verify the operation of medical gas and vacuum piping systems, subject to the professional qualification standards established by the American Society of Sanitary Engineering International (ASSE) Series 6000, Standard 6030, (latest edition), and who is licensed as such by the board.
Medical Gas Piping Installation - the work or business of installing in buildings and premises piping used solely to transport gases for medical purposes. Generally, it shall refer to a pipe distribution system characterized by a central supply (including bulk systems, manifold devices or medical air compressors) with control equipment and piping extending to points in a facility where nonflammable gases are required or utilized, with suitable outlet valves at each use point.
Medical Gas Piping Installer - a natural person who possesses the necessary qualifications and knowledge to install, repair and maintain medical gas piping installations and is licensed as such by the board.
Multi-Site-any location where the employing entity is performing work as defined in §101 in or on more than one adjacent structure.
Plumbing-
Repair-as that term is used in R.S. 37:1367(A), shall mean and be limited to the performance of repairs to existing plumbing, the clearing of stoppages, or repairing leaks.
Residential Plumber-a natural person who possesses the necessary qualifications and knowledge to install, alter, repair, and maintain plumbing systems and is issued a residential plumber limited license by the board to install, alter, repair, and maintain plumbing systems in one- and two-family dwellings at the direction of a master plumber, without the supervision of a journeyman plumber
Site-any location where the employing entity is performing work as defined in §101 in or on a single structure.
Tradesman Plumber-a natural person who possess the necessary qualifications and knowledge to repair existing plumbing systems and is licensed by the board to repair existing plumbing systems in one- and two-family dwellings at the direction of a master plumber, without the supervision of a journeyman plumber.
Water Supply Protection Specialist - as used in R.S. 37:1366.H, 1367.G and 1368.H, a master plumber or journeyman plumber licensed by this board, who has been issued an endorsement to his master or journeyman plumber license by this board permitting him to install, repair and maintain backflow prevention devices between the public's or an individual consumer's potable and other water system and any other source or system through which it is possible to introduce into any part of the potable system any used water, industrial fluid, gas or substance other than the intended potable water with which the system is supplied.
La. Admin. Code tit. 46, § LV-101