What is the primary difference between a contingency and an allowance in construction estimating?
Correct Answer
A) Contingencies cover unknown risks, allowances cover known but unspecified items
Contingencies address unknown risks and unforeseen conditions, while allowances are specific budget amounts for known items that haven't been selected yet, such as fixtures or finishes.
Why This Is the Correct Answer
Option B correctly identifies the fundamental distinction between contingencies and allowances in construction estimating. Contingencies are budget reserves set aside to handle unexpected problems, unforeseen site conditions, or unknown risks that may arise during construction. Allowances, on the other hand, are predetermined budget amounts allocated for specific items that are known to be needed but haven't been selected or specified yet, such as plumbing fixtures, light fixtures, or flooring materials. This distinction is crucial for proper project budgeting and cost control.
Why the Other Options Are Wrong
Option C: Contingencies are paid to the owner, allowances are kept by the contractor
This is incorrect because neither contingencies nor allowances are specifically required by law. Both are estimating tools used at the discretion of the contractor or as negotiated in the contract. Their use depends on project complexity, contract type, and risk assessment rather than legal requirements.
Option D: Contingencies are always a percentage, allowances are fixed amounts
This is incorrect because both contingencies and allowances are typically included in the contract price and paid by the owner as part of the total project cost. Neither is specifically 'kept' by the contractor - they are budget line items that serve different purposes in the overall estimate.
Memory Technique
Think 'C for Contingency = Curveballs (unexpected)' and 'A for Allowance = Anticipated but not Assigned (known items not yet selected)'
Reference Hint
Look up construction estimating principles in Chapter 9 of the Florida Building Code or estimating reference materials covering project cost development and risk management.
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