A V Pool & Spa Construction

C-12: Earthwork and Paving Contractor

Digs, moves, and places earth materials for cuts, fills, excavations, grades, trenches, backfills, and tunnels (if incidental), including use of explosives. Includes mixing, fabricating, and placing paving and surfacing materials.

Not authorized: Does not include operations on sources of water (see Class A).

C-13: Fencing Contractor

Constructs, erects, alters, or repairs all types of fences, corrals, runs, railings, game court enclosures, guard rails, barriers, playground equipment, backstops, posts, flagpoles, and gates.

Not authorized: Does not include masonry walls (see C-29).

C-27: Landscaping Contractor

Constructs, maintains, repairs, and installs landscape systems and facilities for public and private gardens, including preparing and grading plots for architectural, horticultural, and decorative treatments.

C-29: Masonry Contractor

Installs concrete units, clay products, concrete and glass block, natural and manufactured stone, terra cotta, and fire brick for structural and non-structural walls, fences, paving, ceramic veneer, and thin brick facing.

C-35: Lathing and Plastering Contractor

Coats surfaces with mixtures of sand, gypsum plaster, lime and water, or cement and water, applied by trowel or spray for soundproofing and fireproofing. Installs lath, metal studs, and support materials for plaster coatings.

C-36: Plumbing Contractor

Provides means for a supply of safe water and proper disposal of fluid waste, including piping, storage tanks, venting, gas appliances and connections, water and gas piping, water heating equipment including solar, and health and safety devices such as backflow preventers and gas earthquake valves.

Not authorized: Does not include forced warm-air units (see C-20).

C-50: Reinforcing Steel Contractor

Fabricates, places, and ties steel mesh or steel reinforcing bars of any profile used to reinforce concrete structures.

C-53: Swimming Pool Contractor

Constructs swimming pools, spas, or hot tubs, including installation of solar heating equipment using necessary trades and skills.

Not authorized: Does not include replacing, repairing, or installing pool motors or pumps (see D-35).

C-54: Ceramic and Mosaic Tile Contractor

Prepares surfaces and installs glazed wall, ceramic, mosaic, quarry, paver, faience, glass mosaic, and stone tiles; thin tile resembling full brick; and natural or simulated stone slabs for bathtubs, showers, and horizontal surfaces.

Not authorized: Does not include hollow or structural partition tile.