License Classifications

This classification allows the licensee to install and repair pre-manufactured acoustical ceiling and wall systems.

This classification does not allow the licensee to install or repair electrical or mechanical systems.

This classification does not allow the licensee to install or repair electrical, plumbing, or air conditioning systems.

This classification allows the licensee to install, alter, and repair steam and hot water systems and boilers, including chimney connections, flues, refractories, burners, piping, fittings, valves, thermal insulation, and accessories; fuel and water lines from source of supply to boilers; process and specialty piping and related equipment; pneumatic and electrical controls.

If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.

This classification allows the licensee to replace and repair commercial pools and accessories including all existing connections and equipment. Plumbing connections to a potable water system, gas lines, gas chlorine systems, and electrical work beyond the first disconnect must be subcontracted to a properly licensed contractor..

This classification does not allow the licensee to perform a complete replacement of plaster or pebble pool interiors and decks.

This classification allows the licensee to install and repair concrete, concrete products, and accessories common to the industry

This classification also allows the licensee to perform trenching, excavating, backfilling, and grading in connection with concrete construction

This classification allows the licensee to install, alter, and repair any wiring, related electrical material and equipment used in the generating, transmitting, or utilization of electrical energy less than 600 volts, including all overhead electrical wiring on public right-of-ways for signs and street decorations, and all underground electrical distribution systems of less than 600 volts serving private properties.

This classification also allows the licensee to install, alter, and repair all outside, overhead, and underground electrical construction and all wiring in or on any building of less than 600 volts, but does not permit work in public right-of-ways.

This classification does not allow the licensee to install or repair retaining walls.

This classification allows the licensee to install, alter, and repair of fire protection systems using water, steam, gas, or chemicals. Included is any required excavation, trenching, backfilling and grading, piping from structure, and connections to off-premise water supply adjacent to property involving a fire protection system

Systems may include the following areas of work and related equipment: restaurant hood protection systems; fire pumps and drivers; pressure and storage tanks; all piping and valves; sprinkler heads and nozzles; and application of materials for the prevention of corrosion or freezing.

Also included are air compressors, air receivers, bottled inert gases, pressurized chemicals, manifolds, pneumatic, hydraulic, or electrical controls, low voltage signaling systems, control piping, and the flushing and testing of systems.

With the exception of free standing fire pits, fireplaces, or barbeques, this classification does not allow the licensee to install, contract for, or subcontract new electrical service panels, gas or plumbing lines, blasting, outdoor kitchens, gazebos, room additions, swimming pools, pool deck coatings, concrete driveways, load bearing walls, or perimeter fencing.

This classification does not allow the licensee to install fire escapes or stairs.

This classification allows the licensee to install lightweight (not to exceed 14 gauge) metal wall partitions, including suspended metal ceiling grid systems, as supporting members for the application of building materials such as: application and repair of gypsum plaster, cement, acoustical plaster, or a combination of materials and aggregates, that create a permanent coating; the application of such materials over any surface which offers either a mechanical or suction type bond, sprayed, dashed, or troweled to the surface; surface sandblasting preparatory to plastering or stucco; installation of plastering accessories and lath products manufactured to provide a key or suction type bond for the support of various type plaster coatings; and installation and repair of gypsum wall board, pointing, accessories, taping, and texturing on structures both interior and exterior

Upon the effective date of these rules, no new applications for the C-27 classification will be accepted and no new C-27 licenses will be issued.

This classification allows the licensee to install, alter, and repair all plumbing when performed solely within property lines and not on public easements or right-of-ways, except as hereinafter provided

This classification also allows the licensee to perform installation, alteration, and repair of all piping, fixtures, and appliances related to water supply, including pressure vessels and tanks (excluding municipal or related water supply systems); venting and sanitary drainage systems for all fluid, semifluid, and organic wastes; septic tanks and leaching lines; roof leaders; lawn sprinklers; water conditioning equipment; piping; and equipment for swimming pools.

Also included are piping, fixtures, appliances, and pressure vessels for manufactured and natural gases, compressed air and vacuum systems, petroleum, fuel oil, non-potable liquids, hot water heating, and hot water supply systems operating at pressures not exceeding 30 PSIG, or temperatures not exceeding 220° F; steam heating and steam supply systems not exceeding 15 PSIG operating pressure; gas or oil fired space heaters and furnaces, excluding duct work. Piping for water cooling systems, excluding the refrigerant piping and equipment. Testing and balancing of hydronics systems.

Sewer, gas, water lines, and connections from structure to the nearest point of public supply or disposal may cross public or private easements or be installed within private easements or right-of-ways. Pipe installed across public property may not be increased in size, or make any other connection between the point of exit from private property to the point of connection at public supply or disposal. These lines shall not be installed parallel to main lines in public easements or right-of-ways.

This classification allows the licensee to install, alter, and repair refrigeration and evaporative cooling systems.

This classification also allows the licensee to perform installation, alteration, and repair of heating systems of “wet”, “dry” or radiant type. “Wet” systems include steam or hot water boilers and coils, or baseboard convectors, and are limited to 30 PSIG operating pressure of 220° F for hot water and 15 PSIG operating pressure for steam. Dry systems include gas fired furnaces and space heaters.

This classification also allows the licensee to perform installation, alteration, and repair of ventilation systems includes duct work, air filtering devices, water treatment devices, pneumatic or electrical controls, and control piping. Thermal and acoustical insulation of refrigerant pipes and ductwork, vibration isolation materials and devices, liquid fuel piping and tanks, water and gas piping from service connection to the equipment it serves. Testing and balancing of refrigerant, cooling, heating circuits, and air handling systems.

If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.

This classification allows the licensee to replace up to 10 percent of the total roof substrate square footage as it relates to issues with substrate discovered after execution of the initial contract. Replacing more than 10 percent of the roof substrate square footage as it relates to issues with substrate discovered after execution of the initial contract requires licensee to subcontract work to a properly licensed contractor.

This classification also allows the licensee to install new or replace existing skylights where it does not require changes to the roof framing or roof structure and replace fascia not to exceed 24 linear feet.

Licensee may lift HVAC equipment to allow for proper installation of roofing material. However, the licensee must subcontract work to a properly licensed contractor if HVAC equipment ducting requires any modification to allow for proper installation of roofing material.

Installation of shower doors and tub enclosures are included when a part of the original contract.

This classification allows the licensee to install, alter, and repair refrigeration equipment and systems used for processing, storage, and display of food products and other perishable commodities. This classification includes commercial, industrial, and manufacturing processes requiring refrigeration excluding comfort air conditioning.

Systems may also include the following areas of work and related equipment: temperature, safety and capacity controls, thermal insulation, vibration isolation materials and devices; water treatment devices; construction and installation of walk-in refrigeration boxes, liquid fuel piping and tanks, water and gas piping from equipment to service connection; and testing and balancing of refrigeration equipment and systems.

If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.

This classification allows the licensee to drill new water wells or deepen existing water wells by use of standard practices including the use of cable tools, compressed air percussion, rotary, air rotary, or reverse circulation rotary methods. Includes installing casing, gravel pack, perforating and sanitary seals. Repair existing wells by sand pumping, jetting, acidizing, swabbing, clean out, re-perforating, swaging, installation of annealed lines, and the removal of debris.

Includes photographing interior of wells with appropriate equipment. Installation of jet and submersible pumps; electrical pump controls and wiring from pump equipment to first readily accessible disconnect; and water line to storage or pressure tank, not to exceed 50 linear feet. Use of a test pump to develop a new well, or repair an existing well, when provided in contract, is limited to 5 horsepower.

Installation of concrete pump bases not to exceed 50 square feet.

Installation of protective fencing when included in original contract.

This classification allows the licensee to install, alter, and repair warm air heating systems, gas fired furnaces and space heaters, ventilation and evaporative cooling units, or any combination of these.

Systems may include the following areas of work and related equipment; duct work, air filtering devices, pneumatic or electrical controls, control piping, thermal and acoustical insulation, vibration isolation materials and devices, liquid fuel piping and tanks, water and gas piping from service connection to equipment it serves. Testing and balancing of air handling systems.

If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.

This classification allows the licensee to install and repair millwork such as: 1. Cabinets 2. Counter tops 3. Case sash 4. Door trim 5. Metal doors 6. Automatic door closers 7. Wood flooring

Work related to electrical, plumbing, air conditioning systems, and boilers must be subcontracted to an appropriately licensed contractor.

This classification allows the licensee to install, alter, and repair steam and hot water systems and boilers including solar. Also included are chimney connections, flues, refractories, burners, piping, fittings, valves, thermal insulation and accessories; fuel and water lines from source of supply to boilers; process and specialty piping and related equipment; pneumatic and electrical controls.

If necessary, a new circuit may be added to the existing service panel or sub-panel.

Excluded is the installation of a new service panel or sub-panel.

This classification allows the licensee to install, alter, and repair all plumbing including solar, when performed solely within property lines and not on public easements or right-of-ways except as hereinafter provided.

This classification also allows for installation, alteration, and repair of all piping, fixtures and appliances related to water supply, including pressure vessels and tanks (excluding municipal or related water supply systems); venting and sanitary drainage systems for all fluid, semifluid, and organic wastes; septic tanks and leaching lines; roof leaders; lawn sprinkler systems; water conditioning equipment; piping and equipment for swimming pools.

Also included are piping, fixtures, appliances, and pressure vessels for manufactured and natural gases, compressed air and vacuum systems, petroleum, fuel oil, non-potable liquids, hot water heating and hot water supply systems operating at pressures not exceeding 30 PSIG or temperatures not exceeding 220° F; steam heating and steam supply systems not exceeding 15 PSIG operating pressure; gas or oil fired space heaters and furnaces excluding duct work. Piping for water cooling systems, excluding the refrigerant piping and equipment. Testing and balancing of hydronics systems.

Sewer, gas, water lines, and connections from structure to the nearest point of public supply or disposal may cross public or private easements or be installed within private easements. Pipe installed across public property may not be increased in size or make any other connection between the point of exit from private property to point of connection at public supply or disposal. These lines shall not be installed parallel to main lines in public easements or right-of-ways.

This classification allows the licensee to install, alter, and repair solar water heating systems operating at temperatures not exceeding 220° F, including thermosyphon, direct (open loop), and indirect (closed loop), but excludes air as a transfer medium.

Includes installation of collectors, storage and expansion tanks, heat exchangers, piping valves, pumps, sensors and low voltage controls which connect to existing plumbing and electrical stubouts at the water tank location

Installation of solar water heating systems for swimming pools which tie into and operate from the conventional pool systems, but excludes all non-solar plumbing, electrical and mechanical systems and components.

Installation of solar water heating systems for swimming pools which tie into and operate from the conventional pool systems, but excludes all non-solar plumbing, electrical and mechanical systems and components.

Installation of backup and auxiliary heating systems only when such systems are included in the original contract and when such systems are an integral part of the solar collector or storage equipment.

This classification allows the licensee to install, alter, and repair of refrigeration and evaporative cooling systems, including solar.

This classification also allows for installation, alteration, and repair of heating systems of “wet”, “dry” or radiant type. “Wet” systems include steam, or hot water boilers and coils, or baseboard convectors and are limited to 30 PSIG operating pressure of 220° F for hot water and 15 PSIG operating pressure for steam. Dry systems include gas fired furnaces and space heaters.

This classification also allows for installation, alteration, and repair of ventilation systems.

Installation of these systems include duct work, air filtering devices, water treatment devices, pneumatic or electrical controls, and control piping. Thermal and acoustical insulation, vibration isolation materials and devices, liquid fuel piping and tanks, and water and gas piping from service connection to equipment it serves. Testing and balancing of refrigerant, cooling and heating circuits, and air handling systems.

If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.