1. A. Dual license contracting classifications. License classifications for dual contractors are as follows:

   GENERAL DUAL ENGINEERING CONTRACTING

   KA- Dual Engineering

   KA-5 Dual Swimming Pool Contractor

   KA-6 Dual Swimming Pool Contractor Including Solar

   KE- (As restricted by Registrar)

   GENERAL DUAL LICENSE CONTRACTING

   KB-1 Dual Building Contractor

   KB-2 Dual Residential and Small Commercial

   KO- (As restricted by Registrar)

   SPECIALTY DUAL LICENSE CONTRACTING

   CR-1 Acoustical Systems

   CR-2 Excavating, Grading and Oil Surfacing

   CR-3 Awnings, Canopies, Carports and Patio Covers

   CR-4 Boilers, Steamfitting and Process Piping

   CR-5 (As restricted by Registrar)

   CR-6 Swimming Pool Service and Repair

   CR-7 Carpentry

   CR-8 Floor Covering

   CR-9 Concrete

   CR-10 Drywall

   CR-11 Electrical

   CR-12 Elevators

   CR-14 Fencing

   CR-15 Blasting

   CR-16 Fire Protection Systems

   CR-17 Steel and Aluminum Erection

   CR-21 Hardscaping and Irrigation Systems

   CR-24 Ornamental Metals

   CR-29 Machinery (As restricted by Registrar)

   CR-31 Masonry

   CR-34 Painting and Wall Covering

   CR-36 Plastering

   CR-37 Plumbing

   CR-38 Signs

   CR-39 Air Conditioning, Refrigeration and Heating

   CR-40 Insulation

   CR-41 Septic Tanks and Systems

   CR-42 Roofing

   CR-45 Sheet Metal

   CR-48 Ceramic, Plastic and Metal Tile

   CR-53 Water Well Drilling

   CR-54 Water Conditioning Equipment

   CR-56 Welding

   CR-57 Wrecking

   CR-58 Comfort Heating, Ventilating, Evaporative

   Cooling

   CR-60 Finish Carpentry

   CR-61 Carpentry, Remodeling and Repairs

   CR-63 Appliances

   CR-65 Glazing

   CR-66 Seal Coating

   CR-67 Low Voltage Communication Systems

   CR-69 Asphalt Paving

   CR-70 Reinforcing Bar and Wire Mesh

   CR-74 Boilers, Steamfitting and Process Piping, including Solar

   CR-77 Plumbing including Solar

   CR-78 Solar Plumbing Liquid Systems Only

   CR-79 Air Conditioning and Refrigeration including Solar

   CR-80 Sewers, Drains and Pipe Laying

2. B. Dual license contracting scopes. The scope of work which may be done under the dual license contracting classifications allow a contractor to combine commercial and residential contracting licenses in one license. These classifications are as follows:

   KA- DUAL ENGINEERING

   This classification allows the scopes of work permitted by the commercial A- General Engineering and the B-4 General Residential Engineering licenses.

   KA-5 DUAL SWIMMING POOL CONTRACTOR

   This classification allows the scopes of work permitted by the commercial A-9 Swimming Pools and the residential B-5 General Swimming Pool licenses.

   KA-6 DUAL SWIMMING POOL CONTRACTOR INCLUDING SOLAR

   This classification allows the scopes of work permitted by the commercial A-19 Swimming Pools, Including Solar and the residential B-6 General Swimming Pools, Including Solar licenses.

   KE- (AS RESTRICTED BY REGISTRAR)

   KB-1 DUAL BUILDING CONTRACTOR

   This classification allows the scopes of work permitted by the B-1 General Commercial Contractor and the B- General Residential Contractor licenses.

   KB-2 DUAL RESIDENTIAL AND SMALL COMMERCIAL

   This classification allows the scopes of work permitted by the B-2 General Small Commercial and the B- General Residential Contractor licenses.

   KO- (AS RESTRICTED BY REGISTRAR)

   CR-1 ACOUSTICAL SYSTEMS

   This classification allows the scopes of work permitted by the commercial C-1 Acoustical Systems and the residential R-1 Acoustical Systems licenses.

   CR-2 EXCAVATING, GRADING AND OIL SURFACING

   This classification allows the scopes of work permitted by the commercial A-5 Excavating, Grading, and Oil Surfacing and the residential R-2 Excavating, Grading, and Oil Surfacing licenses.

   CR-3 AWNINGS, CANOPIES, CARPORTS AND PATIO COVERS

   This classification allows the scopes of work permitted by the commercial C-3 Awnings, Canopies, Carports and Patio Covers and the residential R-3 Awnings, Canopies, Carports and Patio Covers licenses.

   CR-4 BOILERS, STEAMFITTING AND PROCESS PIPING

   This classification allows the scopes of work permitted by the commercial C-4 Boilers, Steamfitting and Process Piping and the residential R-4 Boilers, Steamfitting and Process Piping licenses.

   CR-5 (AS RESTRICTED BY REGISTRAR)

   CR-6 SWIMMING POOL SERVICE AND REPAIR

   This classification allows the scopes of work permitted by the commercial C-6 Swimming Pool Service and Repair and the residential R-6 Swimming Pool Service and Repair licenses.

   CR-7 CARPENTRY

   This classification allows the scopes of work permitted by the commercial C-7 Carpentry and the residential R-7 Carpentry licenses.

   CR-8 FLOOR COVERING

   This classification allows the scopes of work permitted by the commercial C-8 Floor Covering and the residential R-8 Floor Covering licenses.

   CR-9 CONCRETE

   This classification allows the scopes of work permitted by the commercial C-9 Concrete and the residential R-9 Concrete licenses.

   CR-10 DRYWALL

   This classification allows the scopes of work permitted by the commercial C-10 Drywall and the residential R-10 Drywall licenses.

   CR-11 ELECTRICAL

   This classification allows the scopes of work permitted by the commercial C-11 Electrical and residential R-11 Electrical licenses.

   CR-12 ELEVATORS

   This classification allows the scopes of work permitted by the commercial C-12 Elevators and the residential R-12 Elevators licenses.

   CR-14 FENCING

   This classification allows the scopes of work permitted by the commercial C-14 Fencing and the residential R-14 Fencing licenses.

   CR-15 BLASTING

   This classification allows the scopes of work permitted by the commercial C-15 Blasting and the residential R-15 Blasting licenses.

   CR-16 FIRE PROTECTION SYSTEMS

   This classification allows the scopes of work permitted by the commercial C-16 Fire Protection Systems and the residential R-16 Fire Protection licenses.

   CR-17 STEEL AND ALUMINUM ERECTION

   This classification allows the scopes of work permitted by the commercial A-11 Steel and Aluminum Erection and the residential R-17 Structural Steel and Aluminum licenses.

   CR-21 HARDSCAPING AND IRRIGATION SYSTEMS

   This classification allows the scopes of work permitted by the commercial C-21 Hardscaping and Irrigation Systems and the residential R-21 Hardscaping and Irrigation Systems licenses.

   Upon the effective date of these rules, existing CR-21 Landscaping and Irrigation Systems licenses will be reclassified as CR-21 Hardscaping and Irrigation Systems.

   CR-24 ORNAMENTAL METALS

   This classification allows the scopes of work permitted by the commercial C-24 Ornamental Metals and the residential R-24 Ornamental Metals licenses.

   CR-29 MACHINERY (AS RESTRICTED BY THE REGISTRAR)

   CR-31 MASONRY

   This classification allows the scopes of work permitted by the commercial C-31 Masonry and the residential R-31 Masonry licenses.

   CR-34 PAINTING AND WALL COVERING

   This classification allows the scopes of work permitted by the commercial C-34 Painting and Wall Covering and the residential R-34 Painting and Wall Covering licenses.

   CR-36 PLASTERING

   This classification allows the scopes of work permitted by the commercial C-36 Plastering and the residential R-36 Plastering licenses.

   CR-37 PLUMBING

   This classification allows the scopes of work permitted by the commercial C-37 Plumbing and the residential R-37R Plumbing licenses.

   CR-38 SIGNS

   This classification allows the scopes of work permitted by the commercial C-38 Signs and the residential R-38 Signs licenses.

   CR-39 AIR CONDITIONING AND REFRIGERATION

   This classification allows the scopes of work permitted by the commercial C-39 Air Conditioning and Refrigeration and the residential R-39R Air Conditioning and Refrigeration licenses.

   CR-40 INSULATION

   This classification allows the scopes of work permitted by the commercial C-40 Insulation and the residential R-40 Insulation licenses.

   CR-41 SEPTIC TANKS AND SYSTEMS

   This classification allows the scopes of work permitted by the commercial C-56 Welding and the residential R-56 Welding licenses.

   CR-42 ROOFING

   This classification allows the scopes of work permitted by the commercial C-42 Roofing and the residential R-42 Roofing licenses.

   CR-45 SHEET METAL

   This classification allows the scopes of work permitted by the commercial C-45 Sheet Metal and the residential R-45 Sheet Metal licenses.

   CR-48 CERAMIC, PLASTIC AND METAL TILE

   This classification allows the scopes of work permitted by the commercial C-48 Ceramic, Plastic and Metal Tile and the residential R-48 Ceramic, Plastic and Metal Tile licenses.

   CR-53 WATER WELL DRILLING

   This classification allows the scopes of work permitted by the commercial C-53 Water Well Drilling and the residential R-53 Drilling licenses.

   CR-54 WATER CONDITIONING EQUIPMENT

   This classification allows the scopes of work permitted by the commercial C-54 Water Conditioning Equipment and the residential R-54 Water Conditioning Equipment licenses.

   CR-56 WELDING

   This classification allows the scopes of work permitted by the commercial C-56 Welding and the residential R-56 Welding licenses.

   CR-57 WRECKING

   This classification allows the scopes of work permitted by the commercial C-57 Wrecking and the residential R-57 Wrecking licenses.

   CR-58 COMFORT HEATING, VENTILATING, EVAPORATIVE COOLING

   This classification allows the scopes of work permitted by the commercial C-58 Comfort Heating, Ventilating, Evaporative Cooling and the residential R-39R Warm Air Heating, Evaporative Cooling, and Ventilating licenses.

   CR-60 FINISH CARPENTRY

   This classification allows the scopes of work permitted by the commercial C-60 Finish Carpentry and the residential R-60 Finish Carpentry licenses.

   CR-61 CARPENTRY, REMODELING AND REPAIRS

   This classification allows the scopes of work permitted by the commercial C-61 Carpentry, remodeling and Repairs and the residential R-61 Carpentry, remodeling and Repairs licenses.

   CR-62 REINFORCING BAR AND WIRE MESH

   Upon the effective date of these rules, no new applications for the CR-62 Reinforcing Bar and Wire Mesh license classifications will be accepted, no new CR-62 licenses will be issued, and existing CR-62 licenses will be reclassified as CR-70 Reinforcing Bar and Wire Mesh.

   CR-63 APPLIANCES

   This classification allows the scopes of work permitted by the commercial C-63 Appliances and the residential R-63 Appliances licenses.

   CR-65 GLAZING

   This classification allows the scopes of work permitted by the commercial C-65 Glazing and the residential R-65 Glazing licenses.

   CR-66 SEAL COATING

   This classification allows the scopes of work permitted by the commercial A-15 Seal Coating and the residential R-13 Asphalt Paving licenses.

   CR-67 LOW VOLTAGE COMMUNICATION SYSTEMS

   This classification allows the scopes of work permitted by the commercial C-67 Low Voltage Communication Systems and the residential R-67 Low Voltage Communication Systems licenses.

   CR-69 ASPHALT PAVING

   This classification allows the scopes of work permitted by the commercial A-14 Asphalt Paving and the residential R-13 Asphalt Paving licenses.

   CR-70 REINFORCING BAR AND WIRE MESH

   This classification allows the scope of work permitted by the commercial C-70 Reinforcing Bar and Wire Mesh and the residential R-70 Reinforcing Bar and Wire Mesh licenses.

   CR-74 BOILERS, STEAMFITTING AND PROCESS PIPING, INCLUDING SOLAR

   This classification allows the scopes of work permitted by the commercial C-74 Boilers, Steamfitting and Process Piping, Including Solar and the residential R-4 Boilers Including Solar licenses.

   CR-77 PLUMBING INCLUDING SOLAR

   This classification allows the scopes of work permitted by the commercial C-77 Plumbing Including Solar and the residential R-37 Plumbing Including Solar licenses.

   CR-78 SOLAR PLUMBING LIQUID SYSTEMS ONLY

   This classification allows the scopes of work permitted by the commercial C-78 Solar Plumbing Liquid Systems Only and the residential R-37R Solar Plumbing Liquid Systems Only licenses.

   CR-79 AIR CONDITIONING AND REFRIGERATION INCLUDING SOLAR

   This classification allows the scopes of work permitted by the commercial C-79 Air Conditioning and Refrigeration Including Solar and the residential R-39 Air Conditioning and Refrigeration Including Solar licenses.

   CR-80 SEWERS, DRAINS AND PIPE LAYING

   This classification allows the scopes of work permitted by the commercial A-12 Sewers, Drains, and Pipe Laying and the residential R-37R Sewers, Drains and Pipe Laying licenses.

Historical Note

Former Section R4-9-04 repealed, new Section R4-9-04 adopted effective February 23, 1976 (Supp. 76-1). Amended effective April 18, 1984 (Supp. 84-2). Amended subsection (A) effective July 9, 1987 (Supp. 87-3). Former Section R4-9-04 renumbered as Section R4-9-104 (Supp. 87-3). Former Section R4-9-104 renumbered to R4-9-105 and amended; new Section R4-9-104 adopted effective January 20, 1998 (Supp. 98-1). Amended to correct typographical errors (Supp. 99-4). Amended by final rulemaking at 20 A.A.R. 568, effective July 1, 2014 (Supp. 14-1). Amended by final rulemaking at 23 A.A.R. 2525, effective November 5, 2017 (Supp. 17-3).