Steel & Metal Construction
C-48 Structural Steel Contractor:
A specialty contractor whose contracting business is the execution of contracts requiring
the ability to intelligently fabricate and erect structural steel shapes, bars, rods and plated of any
profile, perimeter or cross-section that are or may be used as structural members for buildings
and structures, including riveting, bolting, welding and rigging in connection therewith.
C-32 Ornamental Metal Contractor:
A specialty contractor, whose contracting business is the execution of contracts requiring the
ability to intelligently cast, cut, shape, stamp, forge, weld, braze, solder, and fabricate any metal
used in the building construction industry for the architectural treatment and ornamental
decoration of buildings and structures. Excluded in this classification is the work done by
classification C-44 (Sheet Metal Contractor) and C-48 (Structural Steel Contractor).
​
​
C-56 Welding Contractor:
A specialty contractor whose contracting business is the execution of contracts requiring the
ability to intelligently use gases and electrical energy or other heating media, fluxes and metal
rods to cause materials to become fused or jointed together.
​
​
C-22 Glazing Contractor:
A specialty contractor whose contracting business is the execution of contracts requiring the
ability to intelligently cut glass and to glaze frames, panels, sash and doors. It shall also include
fabrication and installation of shower doors, tub enclosures, metal jalousies, store front metal
0and trim plastics, tempered glass doors including such items as frames and hardware and any
allied products not stipulated above but affiliated with the glass and glazing industry.
​
C-2 Aluminum Shingle & Siding contractor:
A specialty contractor whose contacting business is the execution of contracts requiring the
ability to install aluminum shingles and siding so that an acceptable water-tight surface is
obtained.
C-42 Roofing Contractor:
A specialty contractor whose contracting business is the execution of contracts requiring the
ability to intelligently prepare surfaces and apply a water-tight covering to such surfaces
with the use of any or all of the following: asphalt, pitch, tar, felt, glass, fabric, flax,
composition, shingles, roof tile, slate and such other materials that are established by use
and costumed as suitable for a water-tight cover. Included in this classification are the work
performed by a C-55 (Waterproofing) contractor. Excluded in this classification is the work
performed by classification C-2 (Aluminum Roofing & Siding) or C-59 (Wood Shingle &
Shake) Contractors.