Name	Description
ALARM SYSTEMS	Installation, renovation, repair and maintenance of low voltage fire protection, security and other types of alarm systems.
ASBESTOS REMOVAL	The removal and disposal of asbestos previously incorporated into a building, which may include encapsulation. To prequalify for Asbestos Removal, you must have an Asbestos Contractor License through the State of Connecticut Department of Public Health.
CARPENTRY/MILLWORK	This classification includes: Carpentry: the cutting, framing and joining pieces of timber in the construction of wood structures. Millwork: the manufacture and installation of generally all building materials made of finished wood and/or plastic and manufactured in millwork plants and in planing mills, such as doors, window and door frames, sash, blinds, porch work, mantels, panel work, stairways and special woodwork. Does not include flooring, ceilings or siding.
CONCRETE	Installation, renovation, repair and maintenance of cast in place concrete structures including foundations and structural concrete components including such incidental or related work as is customarily performed by those in the concrete trade.
CONCRETE: PRECAST STRUCTURAL AND ARCHITECTURAL	Design, factory manufacture and field install precast concrete structural and architectural components for total precast concrete building systems. The types of structures would include parking garages, multi-unit housing, stadiums, office buildings, commercial buildings, schools, nursing homes, bridges and other concrete precast products.
CONSTRUCTION MANAGER AT RISK (GROUP A)	The undertaking of general contracts for the construction of buildings; for example, new construction, renovation, rehabilitation, alteration, addition, etc. The contract must include a variety of construction practices and supervision of a minimum of three sub-trades. Includes those designs that are repetitive, conventional in character, require minimum design based on pre-engineered systems/components, and that pose minimum effort by the design professional. Examples include repetitive designs, dormitories, warehouses, basic building structures without interior finishes, ceiling replacement, pre-engineered components, recreation facilities etc. The construction manager at risk serves as a general contractor and provides consultation regarding construction during the design of the building and through the construction. Note: For the purposes of DAS Construction Contractor Prequalification, contractors in this classification are not required to be registered as a major contractor with the Department of Consumer Protection. However, there may be specific projects within this classification that require a major contractor registration from the Department of Consumer Protection. Projects that are threshold buildings may require a Major Contractor Registration.
CONSTRUCTION MANAGER AT RISK (GROUP B)	The undertaking of general contracts for the construction of buildings; for example, new construction, renovation, rehabilitation, alteration, addition, etc. The contract must include a variety of construction practices and supervision of a minimum of three sub-trades. Includes most of the structures that normally house State functions. These all require normal mechanical/electrical systems for today's standards of operation for quality space, security and environmental comfort. Examples include office buildings, general classroom and administrative offices, college buildings, auditoriums, maintenance buildings. The construction manager at risk serves as a general contractor and provides consultation regarding construction during the design of the building and through the construction. Note: If you are prequalified for Construction Manager at Risk under Group B, you are automatically prequalified for Group A. Note: For the purposes of DAS Construction Contractor Prequalification, contractors in this classification are no longer required to be registered as a major contractor with the Department of Consumer Protection. However, there may be specific projects within this classification that require a major contractor registration from the Department of Consumer Protection. Projects that are threshold buildings may require a Major Contractor Registration.
CONSTRUCTION MANAGER AT RISK (GROUP C)	The undertaking of general contracts for the construction of buildings; for example; new construction, renovation, rehabilitation, alteration, addition, etc. The contract must include a variety of construction practices and supervision of a minimum of three sub-trades. Includes buildings that are truly custom, requiring extensive detailing, or that have large amounts of integrated scientific or complex mechanical/electrical equipment in order for them to function. Examples include hospitals, chemistry buildings, special collections buildings, historic preservation to a landmark structure, and/or any other structure that is truly one of a kind within the State's inventory. The construction manager at risk serves as a general contractor and provides consultation regarding construction during the design of the building and through the construction. Note: If you are prequalified for Construction Manager at Risk under Group C, you are automatically prequalified for Group A and Group B. Note: For the purposes of DAS Construction Contractor Prequalification, contractors in this classification are not required to be registered as a major contractor with the Department of Consumer Protection. However, there may be specific projects within this classification that require a major contractor registration from the Department of Consumer Protection. Projects that are threshold buildings may require a Major Contractor Registration.
DEMOLITION	Work customarily performed by a building wrecking contractor including the razing of buildings or parts of buildings major guttering of buildings or removal of structural elements of a building. The removal of partitions, flooring, windows, etc., incidental to a renovation or remodeling project is NOT within this category. To prequalify for Demolition, you must have a Demolition Contractor Certificate of Registration through the State of Connecticut Department of Administrative Services - Office of the State Fire Marshal.
DOORS AND WINDOWS	Work customarily performed by this industry, including installation of doors and windows made of wood, metal or other materials, both interior and exterior. This category does NOT include glass and glazing by itself.
DRYWALL AND ACOUSTICAL	Installation, renovation, repair and maintenance of drywall and/or acoustical systems composed of metal or wood studs, drywall, taping including such incidental or related work as is customarily performed by those in the drywall/acoustical trade.
ELECTRICAL	Installation, renovation, repair and maintenance of electrical wiring, circuits, panel boards, fixtures and equipment, including, such incidental or related work as is customarily performed by those in the electrical trade. To prequalify for Electrical you must have an Electrical Contractor License through the State of Connecticut Department of Consumer Protection.
ELEVATORS	The installation, maintenance and repair of elevators, handicapped accessible chair lifts, moving stairs, or dumbwaiters within a building. To prequalify for Elevators you must have an Elevator Contractor License through the State of Connecticut Department of Consumer Protection.
ENERGY MANAGEMENT SYSTEMS	The design and installation of systems or maintenance programs to conserve energy use within a building. This category includes shared savings programs.
FIRE PROTECTION SPRINKLER SYSTEMS	Installation, renovation, repairs and maintenance of fire protection sprinklers in buildings, including such incidental or related work as is customarily performed by those in the Fire Protection/Sprinkler System trades. To prequalify for Fire Protection Sprinkler Systems you must have a Fire Protection Contractor License through the State of Connecticut Department of Consumer Protection.
FIREPROOFING	A passive fire protection measure making materials or structures more resistant to fire. Including materials or their assemblies that prevent or retard the passage of excessive heat, hot gases, flames, or the act of applying such materials.
FLOOR COVERING	The installation of carpeting, resilient floor coverings, hardwood flooring, all types of tile installed as finished flooring and other floor covering materials.
GENERAL BUILDING CONSTRUCTION (GROUP A)	The undertaking of general contracts for the construction of buildings(i.e. new construction, renovation, rehabilitation, alteration, addition, etc. The contract must include a variety of construction practices and supervision of a minimum of three sub-trades. Includes those designs that are repetitive, conventional in character, require minimum design based on pre-engineered components/systems, and that pose minimum effort by the design professional. Examples include repetitive designs, dormitories, warehouses, basic building structures without interior finishes, ceiling replacement, pre-engineered components, recreation facilities, etc. Note: If you are prequalified for General Building Construction under Group B and or Group C, you are automatically prequalified for Group A. ALSO If you are prequalified for General Building Group A you will automatically be prequalified for GENERAL TRADES. Note: For the purposes of DAS Construction Contractor Prequalification, contractors in this classification are not required to be registered as a major contractor with the Department of Consumer Protection. However, there may be specific projects within this classification that require a major contractor registration from the Department of Consumer Protection.
GENERAL BUILDING CONSTRUCTION (GROUP B)	The undertaking of general contracts for the construction of buildings i.e. new construction, renovation, rehabilitation, alteration, addition, etc. The contract must include a variety of construction practices and supervision of a minimum of three sub-trades. Includes most of the structures that normally house State functions. These all require normal mechanical/electrical systems for today's standards of operation for quality space, security and environmental comfort. Examples include office buildings, general classroom and administrative offices, college buildings, auditoriums and maintenance buildings. Note: If you are prequalified for General Building Construction under Group B, you are automatically prequalified for Group A. Also If you are prequalified for General Building Group B you will automatically be prequalified for General Trades. Note: For the purposes of DAS Construction Contractor Prequalification, contractors in this classification are not required to be registered as a major contractor with the Department of Consumer Protection. However, there may be specific projects within this classification that require a major contractor registration from the Department of Consumer Protection. Projects that are threshold buildings may require a Major Contractor Registration.
GENERAL BUILDING CONSTRUCTION (GROUP C)	The undertaking of general contracts for the construction of buildings i.e. new construction, renovation, rehabilitation, alteration, addition, etc. The contract must include a variety of construction practices and supervision of a minimum of three sub-trades. Includes buildings that are truly custom, requiring extensive detailing, or that have large amounts of integrated scientific or complex mechanical/electrical equipment in order for them to function. Examples include hospitals, chemistry buildings, special collections buildings, historic preservation to a landmark structure, and/or any other structure that is truly one of a kind within the State's inventory. Note: If you are prequalified for General Building Construction under Group C, you are automatically prequalified for Group A and Group B. Also if you are prequalified for General Building Group C you will automatically be prequalified for General Trades. Note: For the purposes of DAS Construction Contractor Prequalification, contractors in this classification are not required to be registered as a major contractor with the Department of Consumer Protection. However, there may be specific projects within this classification that require a major contractor registration from the Department of Consumer Protection. Projects that are threshold buildings may require a Major Contractor Registration.
GENERAL TRADES	The undertaking of general contracts for the construction and/or supervision of several sub-trades but not the construction of buildings as described in General Building Construction. The contract must include a variety of construction practices and supervision of a minimum of three sub-trades. The work of this category is intended for the interior finishes of a building.
HISTORICAL BUILDING RESTORATION (MASONRY, ROOFING)	Construction/renovation, masonry, and roofing work will require firms with experience with the Secretary of the Interior's Standards for Rehabilitation issued by the U.S. Department of Interior, National Park Service, Washington, D.C. (Standards for Treatment of Historic Project.)
HVAC	Installation, renovation, repair and maintenance of the systems and apparatus required, collectively or individually, to provide comfort heating, ventilation and/or cooling within or associated with a building, including such incidental or related work as is customarily performed by those in the HVAC trade. This category does not include sheet metal work by itself. To prequalify for HVAC you must have a Heating, Piping & Cooling Contractor License through the State of Connecticut Department of Consumer Protection.
IRON: STRUCTURAL AND MISCELLANEOUS	Fabrication and/or erection of structural steel and miscellaneous iron used in the repair, renovation and new construction of the structural and miscellaneous steel elements of a building
LANDSCAPING	Work related to the planning and development of the land for specific use, usually associated with siting a building, or another stated activity such as a recreation area, park or other passive use. The work normally involves the modification of the earth contours; the development of movement pattern such as walks, drives and other paths to achieve a given design; work also includes the selection and placement of plant materials to enhance the site as well as the coordination of other site essentials such as water and power for lighting and work purposes.
LEAD ABATEMENT	The undertaking of lead abatement projects involving one or more of the following: scraping and/or chemical stripping of lead paint; encapsulation and covering of lead contaminated surfaces; or removal and replacement of windows, woodwork or other contaminated surfaces. To prequalify for Lead Abatement, you must have a Lead Contractor License through the State of Connecticut Department of Public Health.
LOCKERS	Work customarily performed by this industry, including the furnishing and installation of lockers.
MASONRY	Installation, renovation, repair and maintenance of masonry units composed of concrete, stone, brick and the like, including such incidental or related work as is customarily performed by those in the masonry trade.
MECHANICAL INSULATION	Includes the installation, replacement, repair or alteration of insulation of duct-work systems associated with heating, air conditioning and ventilation.
METAL SIDING	Work customarily performed by this industry including the supply and installation of metal siding where used as external components of custom designed buildings. This does not apply to pre-engineered buildings where the metal siding is a building component.
PAINTING	Application of paint to interior and exterior surfaces of buildings and preparation of such surfaces for the purpose of receiving a finish coat of paint, including such incidental or related work as is customarily performed by those in the painting trades.
PLUMBING	Installation, repair and maintenance of pipes, fixtures and other apparatus in buildings for bringing in and distributing the water supply and removing liquid and water-borne waste, including such incidentals or related work as is customarily performed by those in the plumbing trade. To prequalify for Plumbing you must have a Plumbing Contractor License through the State of Connecticut Department of Consumer Protection.
ROOFING	The installation of various types of roofing materials including shingles, slate, rubber, PVC and related flashing and drainage systems.
SCAFFOLDING	The fabrication and erection or installation of a temporary framework used to support people and material in the construction, renovation or repair of buildings and other large structures.
SEWER AND WATER LINES	The construction, rehabilitation and/or reconstruction of waterlines, sewer lines and ancillary works, including well drilling.
SHEET METAL WORK	Includes the installation, erection, replacement, repair or alteration of duct-work systems, both ferrous and nonferrous and includes but is not limited to warm and cool air, ventilation, exhaust, pneumatic conveyance and hood exhaust. To prequalify for Sheet Metal Work you must have a Sheet Metal Work Contractor License through the State of Connecticut Department of Consumer Protection.
SITEWORK	Work customarily performed by this industry, including earthwork activities (excluding tunneling and mining, special foundations and load bearing elements); utility systems including installation of drainage systems; exterior improvements (excluding plantings) including horizontal paving work not requiring mortar; site preparation and site remediation.
SOLAR ELECTRIC	The installation, erection, repair, replacement, alteration, or maintenance of photovoltaic or wind generation equipment used to distribute or store ambient energy for heat, light, power or other purposes to a point immediately inside any structure or adjacent to an end use. To prequalify for Solar Electric work you must have an Electrical Contractor ELC-E1 license or a PV-1 Limited Solar Electric Contractor license issued by the State of Connecticut Department of Consumer Protection.
SOLAR THERMAL	The installation, erection, repair, replacement, alteration, or maintenance of active, passive and hybrid solar systems that directly convert ambient energy into heat or convey, store or distribute such ambient energy. To prequalify for Solar Thermal work you must have a ST-1 Solar Thermal Contractor license issued by the State of Connecticut Department of Consumer Protection.
TELECOMMUNICATIONS SYSTEMS	Installation, repair and maintenance of telephone, intercom, television, computer network or related equipment for a major communication system within a building.
TOILET PARTITIONS, TOILET ACCESSORIES	Work customarily performed by this industry, including the furnishing and installation of toilet partitions and toilet accessories.
TUNNELING	The construction of micro tunnels for the installation of underground pipelines with an inside diameter equal to or greater than 72 inches using pressurized face or rock excavation methods. Included in these methods is the use of deep rock tunnel boring machinery.
WATER TREATMENT PLANTS	The construction, rehabilitation and/or reconstruction of sewage treatment plants, water treatment plants and ancillary works. To prequalify for Water Treatment Plants you must have a Major Contractor Registration through the State of Connecticut Department of Consumer Protection.
WATERPROOFING	Installation, renovation, repair and maintenance of materials required to make foundations, walls and other surfaces of a building dam proof or impervious to water, including such incidental or related work as is customarily performed by those in the waterproofing and dam proofing trades. This category does not include roofing by itself.