Bid leveling
Bid leveling is the process of adjusting subcontractor bids onto a common scope so their prices can be compared like for like.
Also written as bid levelling, leveling bids.
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Reviewed by Eric Collin · President and Founder of Firmo Construction, 20+ years in preconstruction and bid evaluation
Subcontractors do not bid the same scope, even when they are answering the same invitation. Each one reads the drawings and specifications, decides what its trade covers, and prices that. One mechanical bidder includes the roof curbs; another assumes the general contractor sets them. One electrical bidder carries the fire alarm; another marks it NIC. Both are legitimate bids, and their bottom-line numbers are not comparable.
Leveling is the work of removing that difference. The estimator builds a single canonical scope for the package, maps every bidder's line items onto it, and then adds or deducts to put each bid on that same footing — carrying a missing item at an allowance, deducting work a bidder included that belongs to another package, and noting the exclusions and qualifications that change what the price actually buys.
What comes out is a leveled comparison, usually presented as a bid tab: every bidder in a column, the canonical scope down the side, and an adjusted total that can defensibly be called the lowest. The adjusted number frequently reorders the bidders — the apparent low bid is often low because it covers less.
The reason it matters is that the alternative is discovering the difference later. Work that no bidder carried becomes a scope gap, and a scope gap found after award is a change order priced without competition.
- Bid leveling vs bid tabulation
What is the difference between bid leveling and bid tabulation?
- Scope gap
A scope gap is work required by the project that no bidder included in its price, because every bidder assumed someone else was carrying it.
- Bid tabulation
A bid tabulation, or bid tab, is the table that sets every bid for a package side by side so their prices and scope can be read against each other.
- Apples-to-apples comparison
An apples-to-apples comparison is one where every bid covers the same scope, so the prices differ only by what the bidders charge rather than by what they included.
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MyLevelBid reads every bid line by line, maps them to one scope, and flags what nobody carried.
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