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Those who are qualified to install, maintain, repair, alter or extend any elevator, dumbwaiter or
<br />escalator.
<br />Those who are qualified to excavate or remove materials such as rock, gravel and sand to construct
<br />or excavate canals, lakes and levees, including the clearing of land of surface debris; and vegetation,
<br />the grubbing of roots, the removal of debris; and leveling of the surface lands incidental thereto.
<br />Those who are qualified to install, maintain, repair, alter or extend fire alarm systems. Any electrical
<br />installation will be performed by a licensed electrical contractor.
<br />Those who are qualified to install, maintain, repair, alter or extend all piping for fire sprinkler
<br />systems,
<br />tincluding the connection to the fire water service outlet provided for e sprinkler systems.
<br />GAS CONTRACTOR (Also Gas Fitter, Master Gas, Gas Installer)
<br />Those who are qualified to install, maintain, repair, alter orextend gas piping, appliances, gas mains,
<br />lines, laterals, tanks and other appurtenances in connection therewith.
<br />Those who are qualified to install, maintain, repair, alter or extend gas piping, appliances, gas mains,
<br />lines, laterals, tanks and other appurtenances in connection therewith while employed or supervised
<br />by a master gas fitter or a gas contractor.
<br />Those who are qualified to install, maintain, repair, alter or extend any system used for the storage
<br />and dispensing of gasoline, kerosene, diesel oils and similar liquid hydrocarbon fuels or mixtures
<br />to be used solely in connection with gasoline filling stations dispensing fuel to mobile vehicles or
<br />marine equipment provided, however, that bulk plants shall not be a part of the scope of such work.
<br />Those who are qualified to select, cut, assemble and install all makes and kinds of glass and glass
<br />work and execute the glazing frames, panels, sash and door and holding metal frames, ornamental
<br />decorations, mirrors, tub and shower enclosures.
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