What documentation ensures thorough record keeping on progress payments and claims?

The correct choice for ensuring thorough record-keeping on progress payments and claims is the contract document.

Contract documents serve as the formal agreement between the parties involved in a construction project, detailing all terms, conditions, and obligations. They typically include provisions regarding payment schedules, milestones, and conditions for making claims. Because these documents outline the scope of work, pricing structures, and specific payment triggers, they provide a clear and comprehensive framework for managing and tracking progress payments.

In contrast, daily logs, while useful for tracking daily activities and site conditions, do not directly address financial transactions and payments. Meeting minutes document discussions and decisions made during project meetings but lack the specificity related to claims and payments. Expense reports capture individual costs incurred, but they do not encompass the full contractual obligations laid out in a construction contract. Thus, the contract document is essential for maintaining detailed and accurate records pertinent to progress payments and claims in the construction process.