Which of the following documents is NOT typically required before starting a construction project?

A materials list is a compilation of all the materials needed for a construction project, but it is not typically required as a formal document before starting the project. While a materials list is certainly useful for planning purposes and may be created by contractors or project managers, it does not usually have the same legal or financial implications as the other documents listed.

Subcontract agreements, performance bonds, and insurance certificates are critical components necessary to ensure that all parties involved in a construction project are protected and that the project adheres to legal and contractual obligations. The subcontract agreement ensures that the responsibilities and expectations between the general contractor and subcontractors are clearly outlined. A performance bond provides a guarantee that the work will be completed as per the contract, offering financial protection to the project owner in case the contractor fails to fulfill their obligations. An insurance certificate serves to protect all parties against liability issues that may arise during the construction process.

By contrast, while a materials list is helpful in the planning and execution stages, it does not carry the same level of requirement as the documents that ensure the project's legality, accountability, and financial safeguarding.