Business & Professions Code
Division 3, Chapter 9. Contractors, Article 4, Classifications
7056. A general engineering contractor is a contractor whose principal contracting business is in connection with fixed works requiring specialized engineering knowledge and skill, including the following divisions or subjects: irrigation. drainage, water power, water supply, flood control, harbors, docks and wharves, shipyards and ports, dams and hydroelectric projects, levees, river control and reclamation works, railroads, highways streets and roads tunnels, airports and airways, sewers and sewage, disposal plants and systems waste reduction plants, bridges overpasses, underpasses and other similar works, pipelines and other systems for the transmission of petroleum and other recreational works, refineries chemical plants and similar industrial plants, requiring specialized engineering knowledge and skill powerhouse, power plants and other utility, plants and installations, mines and metallurgical plants, land leveling and earth moving projects, excavating grading trenching paving and surfacing, work and cement and concrete works in connection with the above mentioned fixed works
Business & Professions Code
Division 3, Chapter 9. Contractors, Article 4. Classifications 7057. (a) Except as provided in this section a general building contractor is a contractor whose principal contracting business is in connection with any structure built being built or to be built for the support shelter and enclosure of persons animals chattels or movable property of any kind requiring in its construction the use of least two unrelated building trades or crafts or to do or superintend the whole or any part thereof
This does not include anyone who merely furnishes materials or supplies under Section 7045 without fabricating them into or consuming them in the performance of the work of the general building contractor
(b) A general building contractor may take a prime contractor, or a subcontract for a framing or carpentry project However a general building contractor shall not take a prime contractor for any project involving trades other than framing or carpentry unless the prime contract requires at least two unrelated building trades or crafts other than framing or carpentry or unless the general building contractor holds the appropriate license classification or subcontracts with an appropriately licensed specialty contractor to perform the work A general building contractor shall not take a subcontract involving trades other than farming or carpentry unless the subcontract requires at least two unrelated trades or crafts other than farming or carpentry or unless the general building contractor holds the appropriate license classifications The general building contractor may not count framing or carpentry in calculating the two unrelated trades necessary in order for general building contractor to able to take a prime contractor subcontract for the projects involving other trades.