What is the main difference between a contingency and an allowance in construction estimating?
Correct Answer
A) Contingencies cover unknown conditions, allowances cover known but unspecified items
Contingencies cover unknown risks and unforeseen conditions, while allowances are budgeted amounts for known items that haven't been specifically selected or priced yet (like fixture allowances).
Why This Is the Correct Answer
Option B correctly identifies the fundamental distinction between contingencies and allowances in construction estimating. Contingencies are funds set aside to handle unknown risks, unforeseen site conditions, or unexpected problems that may arise during construction. Allowances, on the other hand, are predetermined budget amounts for items that are known to be needed but haven't been specifically selected or detailed yet, such as plumbing fixtures, flooring, or light fixtures. This distinction is crucial for proper project budgeting and risk management.
Why the Other Options Are Wrong
Option C: Contingencies are for labor, allowances are for materials
This is incorrect because contingencies are not specifically for owner changes (those are typically handled through change orders), and allowances are not primarily for cost increases but for unspecified items with known budget allocations.
Option D: Contingencies are percentages, allowances are fixed amounts
This is wrong because both contingencies and allowances can be expressed as either percentages or fixed dollar amounts, depending on the estimating method and project requirements.
Memory Technique
Think 'C for Contingency = Catastrophe/Crisis fund' and 'A for Allowance = Already planned Amount for unspecified items.'
Reference Hint
Look up construction estimating fundamentals in Chapter 9 of the Florida Building Code or estimating reference materials covering project cost components.
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