Under the CSLB classification system, what type of work can a Class B general building contractor NOT perform?
Correct Answer
C) Highway construction
Class B contractors are limited to building construction. Highway construction requires a Class A general engineering contractor license.
Why This Is the Correct Answer
Highway construction is within the scope of a Class A general engineering contractor license, which covers fixed works requiring specialized engineering knowledge such as highways, roads, bridges, tunnels, and dams. A Class B general building contractor is limited to structures for occupancy and cannot perform public infrastructure engineering work like highway construction.
Why the Other Options Are Wrong
Option A: Residential framing
Residential framing is squarely within the scope of a Class B general building contractor. Class B contractors are specifically authorized to construct residential and commercial structures, and framing is a core component of building construction.
Option B: Commercial tenant improvements
Commercial tenant improvements are within Class B scope. Class B contractors routinely perform interior and exterior improvements to commercial buildings, including tenant build-outs, which involve structures for occupancy.
Option D: Structural steel erection
Structural steel erection for buildings is within Class B scope, as it is part of building construction. While certain heavy industrial or infrastructure steel work may require Class A, structural steel for buildings (like commercial framing or multi-story construction) falls under Class B.
Memory Technique
Class B = 'Buildings.' If you can walk inside it and use it as a space, Class B can build it. If it is a road, bridge, or dam — infrastructure you travel on or interact with structurally — that is Class A territory.
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