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Nevada State Contractor License, Board, Bureau, School Online Tests

ContractorWith over 17 years of experience in trade licensing, Contractor School Online (CSO) is your primary resource to help you pass your State Contractor License Exam! We offer online practice tests, study materials, books and more.

To become a certified contractor in Nevada, you must pass a Business and Law exam. Depending on the trade you are interested in, you may also be required to pass a trade exam as well. Please use our Information Request Form to find out more.

Contractor School Online (CSO) will assist you with their professional consultants and provide study materials, also practice tests for the Business, Law, and Management and trade if available. If purchases are made elsewhere make sure the correct author, title and year are appropriate for the trade.

CSO Business and Law Practice Test coincides with the required State Contractor’s Manual.

Please note: Inventory Pricing, Contractors State Bonding and Subjects may change without notice.

Below is a list of available license classifications in Nevada that we can help you to obtain.

Please note: The Contractors Board reserves the right to require a trade exam for any classification. Please call Contractor School Online representative to find out if your classification requires a trade exam.



Nevada-NV-Business, Law and Management Online Practice Test ($85) Content
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Nevada-NV-Nevada Business, Law, Management Manual ($75) Content
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Nevada-NV Alarms/Security Systems Online Practice Test ($85) Content
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Nevada-NV Concrete License Online Practice Test ($85) Content
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Nevada-NV Finish Carpentry License Online Practice Test ($95) Content
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Nevada-NV Framing and Rough Carpentry Online Practice Test ($85) Content
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Nevada-NV General Building - B License Online Practice Test ($95) Content
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Nevada-NV General Engineering - A License Online Practice Test ($95) Content
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Nevada-NV HVAC-Heating and Air Conditioning License Online Practice Test ($95) Content
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Nevada-NV-Low Voltage License Online Practice Test ($95) Content
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Nevada-NV Masonry, Bricks and Blocks License Online Practice Test ($85) Content
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Nevada-NV-Painting and Decorating License Online Practice Test ($95) Content
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Nevada-NV Plumbing License Online Practice Test ($95) Content
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Nevada-NV Refrigeration Online Practice Test ($95) Content
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Nevada-NV-Reinforced Steel Online Practice Test ($85) Content
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Nevada-NV Residential Contractor, Small Commercial Online Practice Test ($95) Content
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Nevada-NV Roofing License Online Practice Test ($95) Content
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Nevada-NV Telecommunications License Online Practice Test ($85) Content
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Nevada-NV Underground Utilities Online Practice Test ($85) Content
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Nevada-NV Carpentry, Remodeling and Repairs License Combo Package #1 ($240)
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Nevada-NV Carpentry, Remodeling and Repairs License Combo Package #2 ($170)
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Nevada-NV-Electrical License Combo Package #1 ($240)
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Nevada-NV Finish Carpentry License Combo Package #1 ($240)
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Nevada-NV Low Voltage License Combo Package #1 ($240)
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Nevada-NV Plumbing License Combo Package #1 ($170)
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NEVADA STATE  

Contractor’s License Classifications, Examination and Summary

Contractor School Online (CSO) will assist you with their professional consultants and provide study materials, also practice tests for the Business, Law and Management and your trade if available. If purchases are made elsewhere make sure the correct author, title and year are appropriate for the trade. CSO Business and Law Practice Test coincides with the required State Contractor’s Manual.

State Contractors - Business – Law – Management

 Classification (A): General Engineer Contractor License in the branch of general engineering, the Board designates such a license as a classification (A) license. A person who holds a “classification (A)” license may perform the work contracting business below or sub-contract.

1. For the purpose of classification, the contracting business includes the following branches:

(a) General Engineering Contractor

(b) General Building Contractor

(c) Specialty Contractor

General Engineering contractor and General Building contractor are mutually exclusive branches.

2. A General Engineering Contractor:   is a contractor whose principal contracting business is in connection with fixed works, including irrigation, drainage, water supply, water power, flood control, harbors, railroads, highways, tunnels, airports and airways, sewers and sewage disposal systems, bridges, inland waterways, pipelines for transmission of petroleum and other liquid or gaseous substances, refineries, chemical plants and industrial plants requiring a specialized engineering knowledge and skill, power plants, piers and foundations and structures or work incidental thereto.

3. A General Building Contractor:   is a contractor whose principal contracting business is in connection with the construction or remodeling of buildings or structures for the support, shelter and enclosure of persons, animals, chattels or movable property of any kind, requiring in their construction the use of more than two unrelated building trades or crafts, upon which he or she is a prime contractor and where the construction or remodeling of a building is the primary purpose. Unless he or she holds the appropriate specialty license, a general building contractor may only contract to perform specialty contracting if he or she is a prime contractor on a project. A general building contractor shall not perform specialty contracting in plumbing, electrical, refrigeration and air-conditioning or fire protection without a license for the specialty. A person who exclusively constructs or repairs mobile homes, manufactured homes or commercial coaches is not a general building contractor.

4. A Specialty Contractor:  is a contractor whose operations as such are the performance of construction work requiring special skill and whose principal contracting business involves the use of specialized building trades or crafts.

5. This section does not prevent the Board from establishing, broadening, limiting or otherwise effectuating classifications in a manner consistent with established custom, usage and procedure found in the building trades. The Board is specifically prohibited from establishing classifications in such a manner as to determine or limit craft jurisdictions.

Classifications of Licensing

1. The Board shall adopt regulations to provide for classifications of licensing that authorize a contractor who performs work concerning a residential pool or spa to perform, in connection with such work, the installation of;

(a) Plumbing, including, without limitation, connections to potable water

(b) Gas lines.

2. The regulations adopted by the Board must include, without limitation, regulations establishing the qualifications, training and examinations that are required for such classifications.

Classification (A): Sub-classifications.   The sub-classifications of a license designated classification (A) and the work authorized for persons licensed in the respective sub-classifications are:

1. AIRPORTS (sub-classification A-1): The construction, alteration and repair of airports, including any navigational equipment, lights, beacons, markers, taxiways, runways, hangars and terminals.

2. HIGHWAYS (sub-classification 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 (sub-classification 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 (sub-classification 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 (sub-classification A-5): The obtainment by diamond or core drilling, of concrete, soil and rock.

6. DRILLING OF OIL, GAS AND EXPLORATORY WELLS (sub-classification 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 (sub-classification 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 ASPHALTIC SURFACES (sub-classification A-8): The filling of cracks and voids in existing asphaltic surfaces, the application of sealants and the installation of precast bumpers, traffic signs, nonelectrical markers and striping on the surfaces.

9. PIERS AND FOUNDATIONS (sub-classification 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 (sub-classification 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 sub-sub-classifications of this sub-classification are:

(a) RESIDENTIAL POOLS (sub-classification 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-classification A-10b): The design, construction and repair of residential spas, including any appurtenant equipment.

(c) REPAIR OF POOLS AND SPAS (sub-classification 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-classification 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-classification 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 (sub-classification 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 sub-classification 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 (sub-classification 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 (sub-classification A-12): All work authorized for a license of sub- classification A-7 and the mixing, fabrication and placement of pavement and surfaces consisting of graded mineral aggregates, asphalt or concrete products.

13. WRECKING BUILDINGS (sub-classification A-13): The wrecking of existing structures by the use of tools, equipment or explosives, and the raising, cribbing and underpinning of buildings and other structures so that alterations, repairs and new substructures may be constructed under the retained and undisturbed portion of the building or other structure.

14. STEEL ERECTION AND INDUSTRIAL MACHINERY (sub-classification 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 (sub-classification A-15): The laying of cast-iron, steel, concrete, vitreous and non-vitreous 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 (sub-classification 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 (sub-classification 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 (sub-classification 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 (sub-classification 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 sub-classification A-19 may perform any of the work authorized for the following sub-classifications:

(a) Water (sub-classification A-19a).

(b) Gas (sub-classification A-19b).

20. INDUSTRIAL PIPING (sub-classification 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 (sub-classification 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 (sub-classification 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 sub-classifications of a license in classification A.

23. REMOVAL OF ASBESTOS (sub-classification A-23): The cleaning, handling, repair, removal, encapsulation, enclosure, hauling and disposal of, or other work with, materials containing asbestos.

Classification AB: General Building and General Engineering License in the branches of general building and general engineering to persons who are qualified to act as both general building (classification B) and general engineering (classification A) contractors. This classification is limited to those applicants or licensees who can show a sufficient degree of experience.

Classification B General Building Contractor License

Classification (B): General building License in the branch of general building, the Board designates such a license as a “classification B” license. A person who holds a classification B license may perform the work described in subsection 3.

Classification B): Sub-classifications.  The sub-classifications of a license designated classification B and the work authorized for persons licensed in the respective sub-classifications are:

1. PREMANUFACTURED HOUSING (sub-classification B-1): The fitting, assembling, placement and installing of pre-manufactured units, modular parts and their appurtenances for the erection of residential buildings which do not extend more than three stories above the ground.

2. RESIDENTIAL AND SMALL COMMERCIAL (sub-classification B-2): The construction and remodeling of houses and other structures which support, shelter or enclose persons or animals or other chattels, and which do not extend more than three stories above the ground and one story below the ground.

3. SPECULATIVE BUILDING (sub-classification B-3): The construction upon property owned by the contractor of structures for sale or speculation.

SPECULATIVE BUILDING CONTRACTOR (B-3)

This license allows the construction upon property owned by the contractor of structures for sale or speculation. 

BUSINESS AND LAWThe State has created a trade exam for only a portion of the licenses available. This particular license is a subcategory under the PrimaryClassification of General Building and does NOT have a trade exam. Therefore, the only exam required in order to obtain this license is a business and law test.

EXPERIENCE REQUIRED: Applicants must be able to document a minimum of four (4) years of experience within the past 10 years to qualify for a license. This experience must be as a Journeyman, foreman, supervising employee or contractor. Education may be used to satisfy a portion of the required experience. Applicants must also submit 4 reference certificates concerning their work experience and submit to a background check.

EXAM CONTENT: Licensing Estimating and Bidding Lien Law Financial Management Tax Laws Labor Laws Project Management Contracts Business Organization Risk Management Environmental and Safety.  You should take our State Business, Law and Management Practice Test Online.

RECIPROCITY: The state of Nevada has a reciprocity agreement with California, Arizona, and Utah. There is no reciprocity for the plumbing and electrical trades. Applicants must have at least 7 years of experience and meet all licensing requirements.

We currently do not offer a seminar for this license. Our website is updated frequently; please come back. For more information regarding this license, please contact our office at 1-800-992-1910.

4. SERVICE STATIONS (sub-classification B-4): The construction of structures and installation of equipment used to perform service upon vehicles.

5. PRE-FABRICATED STEEL STRUCTURES (sub-classification B-5): The construction with prefabricated steel of structures to be used for the support, shelter or enclosure of persons or animals or other chattels.

Classification AB General Building and General Engineering

The Board will grant a “classification AB” license in the branches of general building and general engineering to persons who are qualified to act as both general building(classification B) and general engineering (classification A) contractors. This classification is limited to those applicants or licensees who can show a sufficient degree of experience and financial responsibility to support an unlimited license in both the A and B classifications.

Classification C-1 Plumbing and Heating Contracting Sub-Classifications

1. License in the specialty of plumbing and heating contracting, the Board designates such a license as a “classification C-1” license. A person who holds a classification C-1 license may perform any of the work authorized for the sub-classifications of the classification C-1 license.

2. The sub-classifications of the classification C-1 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) BOILERS (sub-classification C-1a): The installation of boilers and pipes for hot water and steam, including all related fittings, valves, gauges, pumps, radiators, convectors, tanks and lines for fuel oil, chimneys, flues, insulation and other appurtenances.

(b) FIRE SPRINKLERS (sub-classification C-1b): The fabrication and installation of all systems of sprinklers for protection from fire, including the appurtenances.

(c) INSULATION OF PIPES AND DUCTS (sub-classification C-1c): The insulation of pipes, ducts and related equipment.

(d) PLUMBING (sub-classification C-1d): The installation and maintenance of:

(1) Material and fixtures to create sanitary conditions in buildings by providing a permanent means for a supply of safe water and any sanitary waste and vent systems that are required to ensure the appropriate removal of waste from those buildings;

(2) Drainage systems for roofs;

(3) Hydronic heating systems not exceeding 200,000 British thermal units;

(4) Systems of landscape irrigation;

(5) Systems to heat potable water, including, without limitation, solar equipment;

(6) A permanent means to supply gas for residential and industrial purposes; and

(7) Pipes for compressed air, vacuums and gases for medical use.

 In addition to any work specified in this paragraph, a person who holds a sub-classification C-1d license may install piping for water and gas beginning at the edge of a building and ending at the utility meter for that building.

1.  Classification C-1” license. A person who holds a classification C-1 license may perform any of the work authorized for the sub-classifications of the classification C-1 license.

2. The sub-classifications of the classification C-1 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) BOILERS (sub-classification C-1a): The installation of boilers and pipes for hot water and steam, including all related fittings, valves, gauges, pumps, radiators, convectors, tanks and lines for fuel oil, chimneys, flues, insulation and other appurtenances.

(b) FIRE SPRINKLERS (sub-classification C-1b): The fabrication and installation of all systems of sprinklers for protection from fire, including the appurtenances.

(c) INSULATION OF PIPES AND DUCTS (sub-classification C-1c): The insulation of pipes, ducts and related equipment.

(d) PLUMBING (sub-classification C-1d): The installation and maintenance of:

(1) Material and fixtures to create sanitary conditions in buildings by providing a permanent means for a supply of safe water and any sanitary waste and vent systems that are required to ensure the appropriate removal of waste from those buildings;

(2) Drainage systems for roofs

(3) Hydronic heating systems not exceeding 200,000 British thermal units

(4) Systems of landscape irrigation

(5) Systems to heat potable water, including, without limitation, solar equipment

(6) A permanent means to supply gas for residential and industrial purposes

(7) Pipes for compressed air, vacuums and gases for medical use.

 In addition to any work specified in this paragraph, a person who holds a sub-classification C-1d license may install piping for water and gas beginning at the edge of a building and ending at the utility meter for that building.

SHEET METAL (sub-classification C-1e): The fabrication and installation of sheet metal, including, without limitation, cornices, flashings, gutters, leaders, downspouts for rainwater, pans, food service equipment, ducts, louvers, patented chimneys, flues and metal roof systems. The provisions of this paragraph do not authorize a holder of a sub-classification C-1e license to install equipment which uses refrigeration as an integral part of the system.

(f) HEATING, COOLING AND CIRCULATING AIR (sub-classification C-1f): The fabrication and installation of systems for the heating, evaporative cooling and circulation of air, including, without limitation, the installation of solar equipment for that purpose. The provisions of this paragraph do not authorize a holder of a sub-classification C-1f license to fabricate or install cooling systems which use refrigeration as an integral part of the system.

(g) PIPES AND VENTS FOR GAS (sub-classification C-1g): The installation of pipes from the source of supply of liquefied petroleum and natural gas into a building or structure and the installation of the related vents.

(h) WATER HEATERS (sub-classification C-1h): The installation, replacement and repair of water heaters, including the connection to existing lines for potable water and gas, the necessary venting and other incidental connections.

(i) CHILLED-WATER PIPING (sub-classification C-1i): The fabrication, installation, repair and removal of pipes, pumps, valves and other equipment used in the transfer of chilled water for the control of temperature. The provisions of this paragraph do not authorize a holder of a sub-classification C-1i license to fabricate, install, repair, remove or connect to a chiller.

(j) SYSTEMS TO REPLENISH BREATHING AIR FOR FIREFIGHTERS (sub-classification C-1j): The installation, replacement and repair of systems to replenish breathing air for firefighters.

(k) INDUSTRIAL PIPING (sub-classification C-1k): The fabrication, installation, repair and removal of pipes and equipment used for the transmission of water, steam, gas, chemicals, food and other substances for industrial uses.

Classification C-2 Electrical Contracting Sub-Classifications

1. “Classification C-2” A person who has a license designated classification C-2 may perform any work authorized for the sub- classifications of a license designated classification C-2.

2. The sub-classifications of a license designated classification C-2 and the work authorized for persons licensed in the respective sub-classifications are:

(a) ELECTRICAL WIRING (sub-classification C-2a): The installation, alteration and repair of electrical wires, fixtures, appliances and apparatuses, and the performance of any related wiring on existing structures.

(b) INTEGRATED CEILINGS (sub-classification C-2b): The installation, alteration and repair of wiring, fixtures, suspensive systems, ducts and other related apparatuses of integrated ceilings which:

(1) Are primarily used for interior electrical illumination;

(2) Are usually composed of modular units, each unit containing an electrical lighting fixture; and

(3) Usually contain incidental acoustical tile or a similar material.

(c) FIRE DETECTION (sub-classification C-2c): The installation, alteration and repair of electrical sensors and alarms used to detect heat and smoke, including all appurtenances and related wiring.

(d) LOW VOLTAGE SYSTEMS (sub-classification C-2d): The installation, alteration and repair of systems that use fiber optics or do not exceed 91 volts, including telephone systems, sound systems, cable television systems, closed circuit video systems, satellite dish antennas, instrumentation and temperature controls, computer networking systems and landscape lighting.

(e) LINES TO TRANSMIT ELECTRICITY (sub-classification C-2e): The installation, alteration and repair of overhead or underground secondary lines which transmit electricity, including the installation of poles, towers, anchors, guys, transformers, substations, circuit breakers and any other related hardware, equipment or systems.

(f) RESIDENTIAL WIRING (sub-classification C-2f): The installation, alteration and repair of electrical wires, fixtures, appliances and apparatuses whose electrical current does not exceed 600 volts on new or existing structures which do not exceed more than three stories above the ground.

(g) PHOTOVOLTAICS (sub-classification C-2g): The installation, alteration and repair of photovoltaic cells, batteries and invertors used in the conversion of solar energy into electricity, but not the installation, alteration or repair of electrical wires beyond the service panel.

Classification C-3 Carpentry, Maintenance and Minor Repairs Sub-Classifications

1.  License in the specialty of carpentry, maintenance and minor repairs, the Board designates such a license as “classification C-3.” A person who holds a license designated classification C-3 may perform any of the work authorized for the sub-classifications of the classification C-3.

2. The sub-classifications of a license designated classification C-3 and the work authorized for persons licensed in the respective sub-classifications are:

(a) CARPENTRY, REMODELING AND REPAIRS (sub-classification C-3a): The construction of form work, framing or rough carpentry necessary to construct framed structures, the installation or repair of individual components of framing systems, rough carpentry or associated work, including the construction or installation of subflooring, siding, exterior staircases and railings, roof decking, truss members and sheathing, and the fabrication, installation, remodeling and repair of wood and wood products for structural and finishing purposes, such as doors, windows, cabinets and fixtures.

(b) FINISH CARPENTRY (sub-classification C-3b): The installation, repair and finishing of cabinets, sash casing, door casing, wooden flooring, baseboards, countertops and other millwork. Finish carpentry does not include the installation of ceramic tile, marble and artificial or cultured stone.

(c) INSULATION AND WEATHER STRIPPING (sub-classification C-3c): The installation of material used for the insulation of buildings and the application of weather stripping and caulking for the internal control of the effects of weather.

(d) OVERHEAD DOORS (sub-classification C-3d): The fabrication, erection and installation of guides, counterweights, tracks, weather stripping, automatic and manual controls, and all other apparatuses and equipment appurtenant to the efficient installation and operation of overhead doors.

(e) DRYWALL (sub-classification C-3e): The installation, taping and finishing of drywall, panels and assemblies of gypsum wallboard, sheathing, acoustical tile and studs made of sheet metal for the framing of ceilings and nonstructural partitioning.

Classification C-4 Painting and Decorating Sub-Classifications

1. License in the specialty of painting and decorating, he Board designates such a license as a “classification C-4” license. A person who holds a classification C-4 license may:

(a) Apply any type of paint, varnish, shellac, stain, protective coatings and wax

(b) Attach papers, fabrics and plastics to the surfaces of buildings and their appurtenances

(c) Examine and prepare surfaces for painting and wallcovering

(d) Install drywall, metal studs and acoustical tile.

2. The sub-classifications of the classification C-4 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) PAINTING (sub-classification C-4a): The application of all paints, varnishes, protective coatings, shellacs, stains and other pigment by brush, spray or roller.

(b) WALLCOVERING (sub-classification C-4b): The preparation of surfaces and the application to those surfaces of papers, fabrics, plastic foils and such other materials as are generally accepted by contractors as wallcovering materials.

(c) TAPING AND FINISHING (sub-classification C-4c): The taping and finishing of the surfaces of wallboard and sheathing to create a permanent surface.

(d) SANDBLASTING (sub-classification C-4d): The sandblasting of surfaces by use of equipment which is designed to clean, grind, cut or decorate surfaces with a blast of sand or other abrasive propelled by steam or compressed air.

(e) DRYWALL (sub-classification C-4e): The installation and coating of gypsum wallboard and sheathing, including the installation of a system of suspended ceilings made of gypsum wallboard.

(f) SHEET METAL STUDS (sub-classification C-4f): The erection and installation of studs made of sheet metal for the framing of ceilings and for nonstructural partitioning, but not the installation of wood or structural steel for framing.

(g) ACOUSTICAL TILE (sub-classification C-4g): The installation of wood, mineral, fiber and other types of acoustical tile by the use of adhesives or other acceptable materials and the preparation of the surface for the installation.

(h) URETHANE COATINGS (sub-classification C-4h): The installation and application of urethane on existing floors by spreading, by spraying or by using adhesives.

Classification C-5 Concrete Contracting

 License in the specialty of concrete contracting, the Board designates such a license as a “classification C-5” license. A person who holds a classification C-5 license may:

1. Prepare the surface and place reinforcement steel and other embedded materials essential to or comprising an integral part of the concrete or concrete construction;

2. Pour, place, finish and install concrete.

3. Construct and assemble forms, molds, slip-forms and pans.

4. Apply concrete sealants and other waterproofing products.

5. Saw, cut, drill and core concrete and asphaltic paving material.

Classification C-6 Erecting Signs Sub-Classifications

1. License in the specialty of erecting signs, the Board designates such a license as a “classification C-6” license. A person who holds a classification C-6 license may fabricate, install and erect signs and perform the wiring necessary for electrical signs.

2. The sub-classifications of the classification C-6 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) OUTDOOR ADVERTISING (sub-classification C-6a): The fabrication and erection of billboards and outdoor signs in such a manner and with such materials as are generally accepted by contractors for outdoor advertising, but not the installation of electrical lighting in any form for the illumination of the billboards or signs.

(b) ELECTRICAL SIGNS (sub-classification C-6b): The fabrication, installation and erection of electrical signs and the installation of any related wiring.

(c) SHEET METAL (sub-classification C-6c): The work with sheet metal which is necessary and incidental to the construction or erection of signs.

(d) PAINTED SIGNS (sub-classification C-6d): The painting of art and advertising messages on signs.

Classification C-7 Elevation and Conveyance Sub-Classifications

1. License in the specialty of elevation and conveyance, the Board designates such a license as a “classification C-7” license. A person who holds a classification C-7 license may fabricate and install systems designed to transport persons, animals and other chattels in elevators, conveyors, dumbwaiters and escalators, including any appurtenant controls, signal systems, devices and equipment.

2. The sub-classifications of the “classification C-7” license and the work authorized for persons licensed in the respective sub-classifications are:

(a) ELEVATOR AND DUMBWAITER (sub-classification C-7a): The fabrication and installation of elevators and dumbwaiters, including any supplemental systems and equipment.

(b) ESCALATOR AND CONVEYOR (sub-classification C-7b): The fabrication and installation of escalators for the vertical transport of passengers and conveyors for the transport of freight, including any supplemental systems and equipment.

(c) PNEUMATIC TUBE (sub-classification C-7c): The installation of pneumatic conveying systems, including the equipment, tubing, supports and other materials which are incidental or supplemental to pneumatic conveying systems.

(d) MOVING WALKWAY (sub-classification C-7d): The installation of equipment to transfer people horizontally, including the preparation of the structure and any other work and materials incidental or supplemental to moving walkways.

Classification C-8 Glass and Glazing Contracting

 License in the specialty of glass and glazing contracting, the Board designates such a license as a “classification C-8” license. A person who holds a classification C-8 license may install, repair and replace:

1. Glass and glass products, glass holding members, frames and hardware, including, without limitation, the glazing of frames, panels, sash and doors.

2. Window walls and store fronts, including, without limitation, the installation of lightweight metal.

3. Automatic and revolving doors.

4. Enclosures for showers and tubs and toilet partitions.

Classification C-4 Painting and Decorating Sub-Classifications

1. License in the specialty of painting and decorating, the Board designates such a license as a “classification C-4” license. A person who holds a classification C-4 license may:

(a) Apply any type of paint, varnish, shellac, stain, protective coatings and wax;

(b) Attach papers, fabrics and plastics to the surfaces of buildings and their appurtenances;

(c) Examine and prepare surfaces for painting and wallcovering; and

(d) Install drywall, metal studs and acoustical tile.

2. The sub-classifications of the classification C-4 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) PAINTING (sub-classification C-4a): The application of all paints, varnishes, protective coatings, shellacs, stains and other pigment by brush, spray or roller.

(b) WALLCOVERING (sub-classification C-4b): The preparation of surfaces and the application to those surfaces of papers, fabrics, plastic foils and such other materials as are generally accepted by contractors as wallcovering materials.

(c) TAPING AND FINISHING (sub-classification C-4c): The taping and finishing of the surfaces of wallboard and sheathing to create a permanent surface.

(d) SANDBLASTING (sub-classification C-4d): The sandblasting of surfaces by use of equipment which is designed to clean, grind, cut or decorate surfaces with a blast of sand or other abrasive propelled by steam or compressed air.

(e) DRYWALL (sub-classification C-4e): The installation and coating of gypsum wallboard and sheathing, including the installation of a system of suspended ceilings made of gypsum wallboard.

(f) SHEET METAL STUDS (sub-classification C-4f): The erection and installation of studs made of sheet metal for the framing of ceilings and for nonstructural partitioning, but not the installation of wood or structural steel for framing.

(g) ACOUSTICAL TILE (sub-classification C-4g): The installation of wood, mineral, fiber and other types of acoustical tile by the use of adhesives or other acceptable materials and the preparation of the surface for the installation.

(h) URETHANE COATINGS (sub-classification C-4h): The installation and application of urethane on existing floors by spreading, by spraying or by using adhesives.

Classification C-5 Concrete Contracting

 License in the specialty of concrete contracting, the Board designates such a license as a “classification C-5” license. A person who holds a classification C-5 license may:

1. Prepare the surface and place reinforcement steel and other embedded materials essential to or comprising an integral part of the concrete or concrete construction.

2. Pour, place, finish and install concrete.

3. Construct and assemble forms, molds, slip-forms and pans.

4. Apply concrete sealants and other waterproofing products.

5. Saw, cut, drill and core concrete and asphaltic paving material.

Classification C-6 Erecting Signs Sub-Classifications

1. License in the specialty of erecting signs, the Board designates such a license as a “classification C-6” license. A person who holds a classification C-6 license may fabricate, install and erect signs and perform the wiring necessary for electrical signs.

2. The sub-classifications of the classification C-6 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) OUTDOOR ADVERTISING (sub-classification C-6a): The fabrication and erection of billboards and outdoor signs in such a manner and with such materials as are generally accepted by contractors for outdoor advertising, but not the installation of electrical lighting in any form for the illumination of the billboards or signs.

(b) ELECTRICAL SIGNS (sub-classification C-6b): The fabrication, installation and erection of electrical signs and the installation of any related wiring.

(c) SHEET METAL (sub-classification C-6c): The work with sheet metal which is necessary and incidental to the construction or erection of signs.

(d) PAINTED SIGNS (sub-classification C-6d): The painting of art and advertising messages on signs.

Classification C-7 Elevation and Conveyance Sub-Classifications

1. License in the specialty of elevation and conveyance, the Board designates such a license as a “classification C-7” license. A person who holds a classification C-7 license may fabricate and install systems designed to transport persons, animals and other chattels in elevators, conveyors, dumbwaiters and escalators, including any appurtenant controls, signal systems, devices and equipment.

2. The sub-classifications of the “classification C-7” license and the work authorized for persons licensed in the respective sub-classifications are:

(a) ELEVATOR AND DUMBWAITER (sub-classification C-7a): The fabrication and installation of elevators and dumbwaiters, including any supplemental systems and equipment.

(b) ESCALATOR AND CONVEYOR (sub-classification C-7b): The fabrication and installation of escalators for the vertical transport of passengers and conveyors for the transport of freight, including any supplemental systems and equipment.

(c) PNEUMATIC TUBE (sub-classification C-7c): The installation of pneumatic conveying systems, including the equipment, tubing, supports and other materials which are incidental or supplemental to pneumatic conveying systems.

(d) MOVING WALKWAY (sub-classification C-7d): The installation of equipment to transfer people horizontally, including the preparation of the structure and any other work and materials incidental or supplemental to moving walkways.

Classification C-8 Glass and Glazing Contracting

License in the specialty of glass and glazing contracting, the Board designates such a license as a “classification C-8” license. A person who holds a classification C-8 license may install, repair and replace:

1. Glass and glass products, glass holding members, frames and hardware, including, without limitation, the glazing of frames, panels, sash and doors.

2. Window walls and store fronts, including, without limitation, the installation of lightweight metal.

3. Automatic and revolving doors.

4. Enclosures for showers and tubs and toilet partitions.

 Classification C-9 License

A person who holds a classification C-9 license may raise, crib, underpin and move buildings and other structures.

Classification C-10 Landscape Contracting

1. License in the specialty of landscape contracting, the Board designates such a license as a “classification C-10” license.

2. A person who holds a classification C-10 license may grade and prepare plots of land for architectural horticulture, decoratively treat, arrange, plant and maintain gardens, lawns, shrubs, vines, bushes, trees and other vegetation, construct systems of drainage and landscape irrigation, install rocks, sand, gravel and other landscape materials that use xeriscaping principles, hydroseed by spraying mulch, seeds and nutrients under pressure, control soil erosion and install non-engineered decorative landscape ponds or non-engineered prefabricated trellises and arbors.

3. In conjunction with the work specified in subsection 2, a person who holds a classification C-10 license may install non-load-bearing walkways using brick or stone not exceeding 200 square feet in area, patio areas using brick or stone not exceeding 400 square feet in area, landscape retaining walls to a height not exceeding 3 feet and landscape lighting not exceeding 24 volts.

 Classification C-11: Spraying mixtures containing cement.  License in the specialty of spraying mixtures containing cement, the Board designates such a license as a “classification C-11” license. A person who holds a classification C-11 license may spray mixtures containing cement, under pressure, as through a hose.

Classification C-13: Using sheet metal.  License in the specialty of using sheet metal, the Board designates such a license as a “classification C-13” license. A person who holds a classification C-13 license may fabricate and install sheet metal, including, without limitation, cornices, flashings, gutters, leaders, downspouts for rainwater, pans, food service equipment, ducts, louvers, patented chimneys, flues and metal roof systems. The provisions of this section do not authorize a holder of a classification C-13 license to fabricate or install equipment which uses refrigeration as an integral part of the system.

Classification C-14 Steel Reinforcing and Erection Sub-Classifications

1. License in the specialty of steel reinforcing and erection, the Board designates such a license as a “classification C-14” license. A person who holds a classification C-14 license may perform any of the work authorized for the sub-classifications of the classification C-14 license.

2. The sub-classifications of the classification C-14 license and the work authorized for persons licensed in the respective sub-classifications are:

(aREINFORCING STEEL (sub-classification C-14a): The fabrication, placement and tying of steel reinforcing bars (rods), and post-tensioning to reinforce concrete buildings and structures.

(b) STRUCTURAL STEEL (sub-classification C-14b): The fabrication and erection of structural steel shapes and plates used as structural members, or tanks, including any connected riveting, welding and rigging.

(c) ORNAMENTAL METAL (sub-classification C-14c): The assembling, casting, cutting, shaping, stamping, forging, fabricating and installing of metals for the architectural treatment, ornamental decoration or security of structures, but does not include the work authorized by a classification C-13 license issued by the Board in the specialty of using sheet metal.

(d) CURTAIN WALL (sub-classification C-14d): The installation of such materials as is generally accepted by contractors for use as curtain wall materials.

(e) METAL DOORS AND WINDOWS (sub-classification C-14e): The installation of metal doors and frames and metal windows and frames.

(f) STORE FRONTS (sub-classification C-14f): The construction of window walls in the fronts of stores and the installation of lightweight metals to a height not exceeding 25 feet from the threshold of the entrance on the ground floor of the store.

(g) PREFABRICATED STEEL STRUCTURES (sub-classification C-14g): The construction of structures made of prefabricated steel for the support, shelter or enclosure of persons, animals or other chattels.

(h) AWNINGS AND LOUVRES (sub-classification C-14h): The fabrication and installation of awnings and louvers made of wood, fabric, plastics, metal or other acceptable products.

(i) RIGGING AND CRANES (sub-classification C-14i): Rigging as it is customarily accepted by contractors and the operation of cranes.

Classification C-15 Roofing and Siding Sub-Classifications

1. License in the specialty of roofing and siding, the Board designates such a license as a “classification C-15” license. A person who holds a classification C-15 license may perform any of the work authorized for the sub-classifications of the classification C-15 license.

2. The sub-classifications of the classification C-15 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) ROOFING (sub-classification C-15a): The installation, application, alteration and repair of watertight and weatherproof material used on roofs, such as asphalt, pitch, tar, felt, flax, shakes, shingles, aluminum, tile, slate and urethane, but not the installation of siding or devices, such as stripping, for the internal control of the effects of weather.

(b) SIDING (sub-classification C-15b): The installation, alteration and repair of siding, by use of material such as wood, aluminum, enameled steel, plastic and glass, to make the walls of a structure watertight and weatherproof.

(c) INSULATION (sub-classification C-15c): The installation of glass, metal, plastic, urethane and other material used for the insulation of buildings.

(d) WATERPROOFING (sub-classification C-15d): The application of solutions of rubber, latex, asphalt, pitch, tar and other materials to surfaces to prevent water in any form from penetrating the surfaces

Classification C-16 Finishing Floors Sub-Classifications

1. License in the specialty of finishing floors, the Board designates such a license as a “classification C-16” license. A person who holds a classification C-16 license may perform any of the work authorized for the sub-classifications of the classification C-16 license.

2. The sub-classifications of the classification C-16 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) COVERING FLOORS (sub-classification C-16a): The installation and application to floors of fabrics, urethane and other materials, excluding ceramic tile and marble, generally accepted by contractors as coatings or coverings used to finish floors, including the preparation of the floors for the finishing.

(b) FINISHING COUNTERS (sub-classification C-16b): The finishing of the tops of counters by the installation or application of vinyl, plastic, aluminates and such other materials as are generally accepted by contractors for use on the tops of counters, excluding ceramic tile, marble and artificial or cultured marble.

(c) PLASTIC TILE AND WALLBOARD (sub-classification C-16c): The cutting, forming, fitting and installing of such tile and board as are customarily used by contractors to cover surfaces for waterproofing or decoration within structures, including tile and products which are plastic, coated with plastic, or made of hardboard, fiberglass or other materials which are so accepted by contractors as appropriate for waterproofing and decoration.

(d) CARPET LAYING (sub-classification C-16d): The installation of carpet and the preparation of the surface for that installation.

(e) URETHANE COATINGS (sub-classification C-16e): The installation and application of urethane on floors by spreading, by spraying or by using adhesives.

Classification C-17 Lathing and Plastering Sub-Classifications

1. License in the specialty of lathing and plastering, the Board designates such a license as a “classification C-17” license. A person who holds a classification C-17 license may perform any of the work authorized for the sub-classifications of the classification C-17 license.

2. The sub-classifications of the classification C-17 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) LATHING (sub-classification C-17a): The selection and application of wood and metal lath and any other material or product manufactured to provide key or suction bases for the support of plaster coatings, including channel iron for the support of fireproof lath and solid plaster partitions, but does not include any plastering or erecting of a wall, ceiling or soffit to which the bases are applied.

(b) PLASTERING (sub-classification C-17b): The coating of surfaces with plaster made of a mixture of such materials as sand, cement, quicklime, hydrated lime and water, and the installation of lath or other base for the plaster.

(c) DRYWALL (sub-classification C-17c): The installation and coating of gypsum wallboard and sheathing, including the installation of a system of suspended ceilings made of gypsum wallboard.

(d) ACOUSTICAL TILE (sub-classification C-17d): The installation of wood, mineral, fiber and other types of acoustical tile by the use of adhesives or other acceptable means, including the preparation of the surface for the installation.

(e) COATINGS OF STUCCO AND CEMENT (sub-classification C-17e): The application to surfaces, whether by manual or mechanical means, of coatings made of stucco and cement, including the preparation of the surfaces and the provision of a base, including fireproof lath, for the coatings, and the fireproofing of structural members.

(f) STUDS OF SHEET METAL (sub-classification C-17f): The erection and installation of studs made of sheet metal for the framing of ceilings and nonstructural partitioning walls.

Classification C-18 Masonry

License in the specialty of masonry, the Board designates such a license as a “classification C-18” license. A person who holds a classification C-18 license may select, cut and lay brick, other baked clay products, rough cut and dressed stone, artificial stone, precast blocks and structural glass brick or block at random or in courses, with or without mortar. He may not apply tile to existing surfaces.

Classification C-19 Installing Terrazzo and Marble Sub-Classifications

 1. License in the specialty of installing terrazzo and marble, the Board designates such a license as a “classification C-19” license. A person who holds a classification C-19 license may perform any of the work authorized for the sub-classifications of the classification C-19 license.

2. The sub-classifications of the classification C-19 license and the work authorized for persons licensed in the respective sub-classification are:

(a) TERRAZZO (sub-classification C-19a): The creation of terrazzo by setting chips of marble, stone or other material in an irregular pattern by use of cement, including the preparation of the surface and the necessary grinding and polishing.

(b) MARBLE (sub-classification C-19b): The selection and cutting of marble or other dressed natural stone and laying it at random, with or without mortar.

(c) ARTIFICIAL OR CULTURED MARBLE (sub-classification C-19c): The cutting and installation of marble-like products, including the examination and preparation of the surface on which they are to be installed.

Classification C-20 Tiling Sub-Classifications

1. License in the specialty of tiling, the Board designates such a license as a “classification C-20” license. A person who holds a classification C-20 license may install, by means of suction and adhesives, ceramic tile, encaustic tile, vitreous tile and other tile-like products except for hollow or structural partitioning tile.

2. The sub-classifications of the classification C-20 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) PLASTIC TILE AND WALLBOARD (sub-classification C-20a): The cutting, forming, fitting and installing of such tile and board as are customarily used by contractors to cover surfaces for waterproofing or decoration within structures, including all tile and products which are plastic, are coated with plastic, or are made of hardboard, fiberglass or other materials generally accepted by contractors as appropriate for waterproofing and decoration.

(b) SWIMMING POOL TILE AND COPING (sub-classification C-20b): The installation and repair of decorative coping stones and ceramic tile on swimming pools and spas.

Classification C-21 Refrigeration and air-conditioning; sub-classifications

1.  License in the specialty of refrigeration and air-conditioning, the Board designates such a license as a “classification C-21” license. A person who holds a classification C-21 license may perform any of the work authorized for the sub-classifications of the classification C-21 license.

2. Work authorized by a classification C-21 license is not incidental or supplemental to the performance of any other work which may be performed by a specialty contractor.

3. The sub-classifications of the classification C-21 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) REFRIGERATION (sub-classification C-21a): The construction, erection and installation of devices, machinery and units for the control of air temperatures below 50°F in refrigerators, refrigerated rooms and insulated spaces, and installation of any related insulation, ducts, blowers, registers, controls over humidity and thermostatic controls, lines for supplying natural gas from the unit to the point of connection in the existing line for natural gas at the meter or at any point thereafter, electrical service from the unit’s device to protect against excessive current to the main electrical panel, but not the installation of other gas or electric services for the devices, machinery or units.

(b) AIR-CONDITIONING (sub-classification C-21b): The installation, repair, service and maintenance of equipment, devices, machinery, units and related ductwork which use evaporation, refrigeration, boilers or combustion for the control of air temperatures in structures, including, without limitation, any humidity and thermostatic controls in connection with any such equipment, devices, machinery, units or ductwork.

(c) SHEET METAL (sub-classification C-21c): The fabrication and installation of sheet metal, including, without limitation, cornices, flashings, gutters, leaders, downspouts for rainwater, pans, food service equipment, ducts, louvers, patented chimneys, flues and metal roof systems, but not the fabrication or installation of equipment which uses refrigeration as an integral part of the system.

(d) MAINTENANCE (sub-classification C-21d): The repair and replacement of any parts of existing units or systems of air-conditioning and refrigeration, including the compressors, motors, relays, coils, heat exchangers and other appurtenances and equipment, but not the replacement of complete condenser assemblies on remote systems, air handlers or any work that may alter the design of an existing system.

(e) SOLAR AIR-CONDITIONING (sub-classification C-21e): The installation of the collectors, piping, storage and other equipment used in the conversion of solar energy to energy used for the control of air temperatures.

(f) CHILLED AND HOT WATER SYSTEMS (sub-classification C-21f): The installation of boilers, chillers, coils, cooling towers, piping, pumps, storage tanks, valves and other equipment used in the production and transfer of water for the control of temperatures.

(g) INDUSTRIAL PIPING (sub-classification C-21g): The fabrication, installation, repair and removal of piping and equipment used for the transmission of water, steam, gas, chemicals, food and other substances for industrial uses.

Classification C-23: Drilling Wells and Installing Pumps, Pressure Tanks and Storage Tanks

 License in the specialty of drilling wells and installing pumps, pressure tanks and storage tanks considered integral to water wells, the Board designates such a license as a“classification C-23” license. A person who holds a classification C-23 license may install and repair water wells, pressure tanks, storage tanks and pumps by boring, drilling, excavating, casing, cementing, dewatering and cleaning to provide a supply of uncontaminated water.

Classification C-24 Erecting Scaffolds and Bleachers

 License in the specialty of erecting scaffolds and bleachers, the Board designates such a license as a “classification C-24” license. A person who holds a classification C-24 license may erect scaffolds, stages and bleachers by the use of such methods as are generally accepted by contractors.

Classification C-25 Fencing and Equipping Playgrounds

 License in the specialty of fencing and equipping playgrounds, the Board designates such a license as a “classification C-25” license. A person who holds a classification C-25 license may assemble, cut, shape, fabricate and install wood and metal fencing, guardrails and other equipment used in playgrounds.

Classification C-26 Institutional Contracting Sub-Classifications

1. License in the specialty of institutional contracting, the Board designates such a license as a “classification C-26” license. A person who holds a classification C-26 license may perform any of the work authorized for the sub-classifications of the classification C-26 license.

2. The sub-classifications of the classification C-26 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) KITCHEN AND LABORATORY EQUIPMENT (sub-classification C-26a): The installation of institutional kitchen equipment and laboratory equipment, such as ranges, ovens, stationary counters and tables, shelving partitions, dishwashers and such other equipment as is generally accepted by contractors for use in institutional kitchens and laboratories. Kitchen and laboratory equipment does not include the installation of pressure vessels, the installation of equipment that requires refrigeration as an integral part of the system, the installation of equipment that is integrated into an exhaust system or the installation of equipment that is integrated into a fire suppression system.

(b) BUILDING ACCESSORIES AND SPECIALTIES (sub-classification C-26b): The installation of accessories such as stationary desks, lockers, chalkboards, shelving, storage, seats in auditoriums (excluding stationary bleachers), equipment used on a stage, equipment used in a gymnasium and any other equipment and materials as are generally accepted by contractors for use as building accessories and specialties.

(c) FLOORS OF GYMNASIUMS (sub-classification C-26c): The installation of wood floors of gymnasiums, including the application of urethane to wood or concrete floors to create a finished surface.

Classification C-27 Individual Sewerage

 License in the specialty of individual sewerage, the Board designates such a license as a “classification C-27” license. A person who holds a classification C-27 license may lay and install individual systems for sewage disposal, including the installation of individual septic tanks and cesspools.

Classification C-28 Fabricating Tanks Sub-Classifications

1. License in the specialty of fabricating tanks, he Board designates such a license as a “classification C-28” license. A person who holds a classification C-28 license may perform any of the work authorized for the sub-classifications of the classification C-28 license.

2. The sub-classifications of the classification C-28 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) FABRICATING TANKS (sub-classification C-28a): The fabrication, placement and erection of structural tanks for the retention of liquids, solids and gases, either above or below the ground.

(b) SANDBLASTING AND COATINGS (sub-classification C-28b): The sandblasting of and application of coatings to structural tanks used for the retention of liquids, solids and gases, either above or below ground.

Classification C-30 Installing Equipment to Treat Water

 License in the specialty of installing equipment to treat water, the Board designates such a license as a “classification C-30” license. A person who holds a classification C-30 license may install equipment in existing water lines for the treatment of alkali and other undesirable ingredients in the water.

Classification C-31 Wrecking

 License in the specialty of wrecking, the Board designates such a license as “classification C-31.” A person who holds a license designated classification C-31 may:

1. Wreck and demolish an existing structure with tools, equipment and explosives.

2. Raise, crib, underpin and move a structure so that alterations, additions and repairs may be made and a new substructure may be built under the permanently retained portion of the structure, but may not alter, add to, repair or renovate the permanently retained portion of the structure.

 License in the specialty of installing industrial machinery, the Board designates such a license as a “classification C-33” license. A person who holds a classification C-33 license may install all industrial machinery, including sawmills, generators, compressors and processors, which is bolted or otherwise attached so as to be permanently affixed to a structure.

Classification C-36 Installing Urethane; Sub-Classifications

1. License in the specialty of installing urethane, the Board designates such a license as a “classification C-36” license. A person who holds a classification C-36 license may perform any of the work authorized for the sub-classifications of the classification C-36 license.

2. The sub-classifications of the classification C-36 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) URETHANE INSULATION (sub-classification C-36a): The installation and application of urethane in spray or rigid form for the thermal insulation of structures.

(b) URETHANE ROOF DECKS (sub-classification C-36b): To apply urethane in spray or rigid form to create watertight and weatherproof roofs.

(c) URETHANE COATINGS (sub-classification C-36c): The installation and application of urethane on existing floors by spreading, spraying or by using adhesives.

Classification C-37 Solar Contracting Sub-Classifications

1. License in the specialty of solar contracting, the Board designates such a license as a “classification C-37” license. A person who holds a classification C-37 license may design, fabricate and install systems for the collection of solar energy to heat and cool water, air and chemicals.

2. The sub-classifications of the classification C-37 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) WATER HEATING (sub-classification C-37a): The installation of systems for the collection of solar energy to heat water for potable uses, but not the installation of pipes or fixtures other than water heaters and storage tanks designed for the use of water so heated.

(b) SPACE HEATING (sub-classification C-37b): The installation of systems for the collection of solar energy to heat water or air which is in turn used to heat structures which house persons, animals or inanimate objects including storage, piping and heat exchangers, but excluding equipment for pools.

(c) AIR-CONDITIONING (sub-classification C-37c): The installation of the collectors, piping, storage and other equipment used in the conversion of solar energy to energy used for the control of air temperatures.

(d) HEATING OF POOLS (sub-classification C-37d): The installation of the collectors, piping and heat exchangers used to heat swimming pools and spas with solar energy, but not the plumbing of swimming pools or the installation of their equipment.

Classification C-38 Installing Equipment Used With Liquefied Petroleum and Natural Gas Sub-Classifications

1. License in the specialty of installing equipment used with liquefied petroleum and natural gas, the Board designates such a license as a “classification C-38” license. A person who holds a classification C-38 license may perform any of the work authorized for the sub-classifications of the classification C-38 license.

2. The sub-classifications of the classification C-38 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) PIPES AND VENTS (sub-classification C-38a): The installation of pipes from the source of supply of liquefied petroleum or natural gas into a building or other structure and the installation of the related vents.

(b) GAS APPLIANCES AND EQUIPMENT (sub-classification C-38b): The installation of appliances and equipment requiring connection to a supply of liquefied petroleum or natural gas.

(c) HEATING AND VENTILATING (sub-classification C-38c): The fabrication and installation of systems for the heating of air with liquefied petroleum or natural gas and for circulating the air.

Classification C-39 Installing Heaters

 License in the specialty of installing heaters, the Board designates such a license as a “classification C-39” license. A person who holds a classification C-39 license may install devices for the heating of buildings, including wood-burning devices and their appurtenances. This license does not authorize the holder to install piping, ducting and equipment for transmitting the heated air or water produced by the devices.

Classification C-40 Specialties Not Authorized By Other Classifications

 License of any other classification or sub-classification, the Board designates such a license as a “classification C-40” license.

Classification C-41 Fire Protection Contracting Sub-Classifications

1. License in the specialty of fire protection contracting, the Board designates such a license as a “Classification C-41” license. A person who holds a classification C-41 license may perform any of the work authorized for the sub-classifications of the classification C-41 license.

2. The sub-classifications of the classification C-41 license and the work authorized for persons licensed in the respective sub-classifications are:

(a) AUTOMATIC FIRE SPRINKLERS (sub-classification C-41a): The fabrication, installation, alteration, repair and service of fire protection systems using water, including required pressure and storage tanks, fire pumps and drivers, sprinkler heads and nozzles, and all associated valves and piping. Included in this sub-classification is control wiring any required excavation, backfilling and grading, and piping to a water supply which is not on the premises but is adjacent to the property with the fire protection system.

(b) FIXED FIRE EXTINGUISHING SYSTEMS (sub-classification C-41b): The fabrication, installation, repair and service of fire protection systems using foam, gas or dry chemicals, including pressurized storage tanks, valves, associated piping and sensing and control devices.

(c) FIRE ALARMS (sub-classification C-41c): The installation, alteration, repair, servicing of electrical sensors, alarms used to detect heat and smoke, including all appurtenances and related wiring.

Classification C-42 Constructing, Altering or Improving Video Service Networks

 License in the specialty of constructing, altering or improving video service networks, the Board designates such a license as a “classification C-42” license. A person who holds a classification C-42 license may construct, alter or improve video service networks.

License to Build Upon or Improve Own Commercial Property

1. Upon submitting to the Board written evidence of his eligibility, the Board will issue to a qualified applicant who is not regularly engaged in the business of construction a license to build upon or improve his own commercial property.

2. License as a “classification E-1” license if it limits the holder to construction of a building or making an improvement which will not exceed three stories in height above the ground.

3. License as a “classification E-2” license if it authorizes the holder to construct a building or make an improvement which will exceed three stories in height above the ground.

4. The owner shall obtain a separate license for each piece of his property upon which he wants to build or make improvements.

5. The owner shall not contract with a specialty or other contractor directly, pursuant to his contract with the managing contractor, without first obtaining the appropriateclassification E license.

6. As used in this section, the term “owner” includes a person who leases real property for a term of at least 5 years.

Abatement of Asbestos Without License Classified for Removal of Asbestos

1. If a licensed contractor who is engaging in activity for the abatement of asbestos has not obtained a contractor’s license which is classified for the removal of asbestos(sub-classification A-23), the licensed contractor may not:

(a) Remove more than 25 linear feet or 10 square feet of asbestos-containing material, as defined in 29 C.F.R. 1926.1101(b); or

(b) Exceed the federal standards for permissible exposure limits established in 29 C.F.R. 1926.1101.

2. The provisions of this section do not authorize a licensed contractor to engage in activity for the abatement of asbestos unless the licensed contractor has complied with all other applicable statutes and regulations.

3. As used in this section, “activity for the abatement of asbestos.”

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