Section 624.150 - Classification A: SubclassificationsThe subclassifications of a license designated classification A and the work authorized for persons licensed in the respective subclassifications are:
1. AIRPORTS (subclassification A-1): The construction, alteration and repair of airports, including any navigational equipment, lights, beacons, markers, taxiways, runways, hangars and terminals.2. HIGHWAYS (subclassification A-2): The construction of highways, roads, streets and other public ways used for vehicular travel, including any drains, tunnels, bridges and other appurtenances to the construction.3. DAMS AND RESERVOIRS (subclassification A-3): The construction, whether from earth, masonry, steel or concrete, or any combination of these materials, of dams and reservoirs designed to obstruct, control or use water, including the relocation of existing structures, any necessary excavation and the construction of embankments, foundations, piles, piers, spillways, tunnels, roadways and other incidental work.4. BRIDGES (subclassification A-4): The installation, construction, alteration and repair of bridges which are fabricated of steel, masonry, concrete or other suitable materials, and are designed for use by pedestrians or moving traffic, and any abutments, foundations, piles, piers, culverts, roadways and other appurtenances to the bridges.5. DIAMOND AND CORE DRILLING (subclassification A-5): The obtainment by diamond or core drilling, of concrete, soil and rock.6. DRILLING OF OIL, GAS AND EXPLORATORY WELLS (subclassification A-6): The drilling, altering and repair of existing or new oil, gas or exploratory wells, including the casing, packing and installation of pumps and other supplemental material, equipment or structures.7. EXCAVATING AND GRADING (subclassification A-7): The digging, movement and placement of material forming the surface of the earth, other than water, with hand and power tools, machines and explosives to cut, fill, excavate, grade, backfill and perform other similar excavating, grading and trenching operations.8. SEALING AND STRIPING OF IMPERMEABLE PAVING SURFACES (subclassification A-8): The filling of cracks and voids in existing asphaltic, concrete or similar impermeable paving surfaces, the application of sealants and the installation of precast bumpers, traffic signs, nonelectrical markers and striping on the surfaces.9. PIERS AND FOUNDATIONS (subclassification A-9): The examination, excavation, drilling, compacting, pumping, sealing and other work necessary to construct, alter or repair piers, piles, footings and foundations placed in the earth's subsurface to prevent structural settling and to provide an adequate capacity to sustain or transmit the structural load to the soil or rock below.10. COMMERCIAL AND RESIDENTIAL POOLS (subclassification A-10): The construction, alteration and repair of commercial and residential pools and spas, used for swimming, therapy or decoration, including any appurtenant equipment. The subsubclassifications of this subclassification are: (a) RESIDENTIAL POOLS (sub-subclassification A-10a): The design, construction, alteration and repair of residential pools and spas, used for swimming, therapy or decoration, including any appurtenant equipment.(b) RESIDENTIAL SPAS (sub-subclassification A-10b): The design, construction and repair of residential spas, including any appurtenant equipment.(c) REPAIR OF POOLS AND SPAS (sub-subclassification A-10c): The repair and replacement of plaster, coping and coating of pool decks on residential pools and spas.(d) POOLS AND SPAS OF FIBERGLASS (sub-subclassification A-10d): The design, construction and repair of residential pools and spas which are made of fiberglass.(e) MAINTENANCE AND REPAIR OF POOLS AND SPAS (sub-subclassification A-10e): The alteration and repair of plaster, tile, coping, pumps, filters, heaters, decking, pool painting, timers, controls and lights on residential and commercial spas, pools, fountains, waterfalls and ponds.(f) WATER AND GAS LINES FOR RESIDENTIAL POOLS AND SPAS (subsubclassification A-10f): The installation of water and gas service lines from the point of service to the pool equipment of the pool or spa of a single-family residence. Work in this subsubclassification is authorized only for the holder of a certificate as a master plumber, journeyman plumber or journeyman in a plumbing specialty, or an equivalent certificate, issued by the appropriate local building department.11. RECYCLING ASPHALT (subclassification A-11): The scarifications of existing asphaltic mat, the raking of the asphalt into rows, its pulverization, the incorporation of necessary additives, the aeration, spreading and compacting of the asphalt and the application of a coating composed of such ingredients as asphaltic concrete or slurry.12. EXCAVATING, GRADING, TRENCHING AND SURFACING (subclassification A-12): All work authorized for a license of subclassification A-7 and the mixing, fabrication and placement of pavement and surfaces consisting of graded mineral aggregates, asphalt or concrete products.13. WRECKING BUILDINGS (subclassification A-13): The wrecking and demolishing of existing structures by the use of tools, equipment or explosives, and the raising, cribbing, underpinning and moving of buildings and other structures so that alterations, additions and repairs may be made and new substructures may be constructed under the permanently retained and undisturbed portion of the building or other structure. A person who holds a subclassification A-13 license may not alter, add to, repair or renovate the permanently retained portion of the structure.14. STEEL ERECTION AND INDUSTRIAL MACHINERY (subclassification A-14): The fabrication and erection of steel shapes and plates, regardless of shape or size, to be used as structural members, including any related riveting, welding and rigging, and the installation of any industrial machinery.15. SEWERS, DRAINS AND PIPES (subclassification A-15): The laying of cast-iron, steel, concrete, vitreous and nonvitreous pipe for sewers, drains and irrigation, including any related excavating, grading, trenching, backfilling, paving and surfacing, and the fabrication and erection of cesspools and septic tanks.16. PAVING OF STREETS, DRIVEWAYS AND PARKING LOTS (subclassification A-16): Examination, excavation, grading, compacting, alteration and repair in the application of asphalt to streets, driveways, parking lots, boat ramps, and landing strips and taxiways for an airport.17. LINES TO TRANSMIT ELECTRICITY (subclassification A-17): The installation, alteration and repair of primary overhead lines which transmit electricity, including the erection of poles, towers, anchors, guys, transformers, substations, circuit breakers and any other related hardware, equipment or systems.18. FARM IRRIGATION (subclassification A-18): The excavation, fabrication, installation, alteration and repair of pipes, pumps, fixtures and any other material and equipment used in or incidental to systems for irrigating crops.19. PIPELINE AND CONDUITS (subclassification A-19): The fabrication and installation of electrical conduits only, and pipelines including the trenching, boring, shoring, backfilling, compacting, paving, surfacing and application of protective coatings necessary to complete only the installation of the pipes and conduits. A person who holds a subclassification A-19 license may perform any of the work authorized for the following subclassifications: (a) Water (subclassification A-19a).(b) Gas (subclassification A-19b).(c) Electrical conduits for underground transmission (subclassification A-19c).20. INDUSTRIAL PIPING (subclassification A-20): The fabrication and installation of pipes for the transmission of steam, gases, chemicals and other substances required for industrial manufacturing or commercial operations and any related excavation, trenching and backfilling.21. FENCING AND GUARDRAILS (subclassification A-21): The assembling, cutting, shaping, fabricating and installing of wood or metal fencing, guardrails, signs and nonelectric markers for highways, equipment for playgrounds and supplemental materials.22. UNCLASSIFIED (subclassification A-22): Work limited in scope by the Board to a specialty which is supported by the licensee's knowledge and experience in a trade or craft and which is not included in the other subclassifications of a license in classification A.23. REMOVAL OF ASBESTOS (subclassification A-23): The cleaning, handling, repair, removal, encapsulation, enclosure, hauling and disposal of, or other work with, materials containing asbestos.24. FOUNTAINS AND OTHER WATER FEATURES (subclassification A-24): The construction, alteration and repair of commercial and residential fountains, waterfalls, ponds and similar water features not intended to serve as swimming pools, including any appurtenant equipment.25. TELECOMMUNICATION TOWERS (subclassification A-25): The fabrication and erection of towers used to support telecommunication equipment, including any related riveting, welding and rigging, and the installation of electrical components and related equipment.Nev. Admin. Code § 624.150
Added to NAC by Contractors' Bd., eff. 8-26-83; A 10-17-86; 11-12-87; 8-24-88; 11-10-88; 1-25-89; 12-19-89, eff. 1-1-90; 9-13-91; 3-14-94; R207-05, 5-4-2006; R090-08, 9-18-2008; Added to NAC by Contractors' Bd., eff. 8-26-83; A 10-17-86; 11-12-87; 8-24-88; 11-10-88; 1-25-89; 12-19-89, eff. 1-1-90; 9-13-91; 3-14-94; R207-05, 5-4-2006; R090-08, 9-18-2008; R095-12, 6/23/2014; A by R050-23A, eff. 4/19/2024