A B- General contractor must subcontract which of the following types of work?

In Arizona, a B-General contractor is primarily responsible for overseeing and managing construction projects that do not involve specialized trades. This type of contractor is licensed to handle general construction work but must adhere to certain regulations regarding subcontracting specific tasks that require specialized skills or qualifications.

A B-General contractor is required to subcontract work that falls under specific categories, such as electrical work, boiler installation or repair, and the drilling of water wells. Each of these types of work is governed by separate licensing requirements and standards to ensure safety and adherence to code.

Subcontracting these tasks to qualified professionals is essential because it ensures that the work is performed by individuals who possess the necessary expertise and licensing. For example, electrical work must comply with electrical codes and regulations, which necessitate the involvement of a licensed electrician. Similarly, boiler work involves safety considerations that are regulated, and well drilling also requires specialized knowledge and permits.

Therefore, since a B-General contractor must subcontract all these types of work to licensed professionals to comply with Arizona regulations, the correct response encompasses all the listed options.