FAR 36.203 and 36.204 Bid-Day Checklist: Using Government Estimates and Project Magnitudes
When assembling a federal construction bid, trade contractors and small general contractors often search solicitations to identify the government's anticipated budget. Under the Federal Acquisition Regulation, contracting agencies do not reveal their bottom-line calculations before award. Estimators can still evaluate project size and negotiation parameters by cross-referencing federal rules for independent government estimates and magnitude disclosures. This bid-day checklist outlines the operational requirements established in the FAR and explains how small contracting teams should review federal pricing brackets.
Checklist Step 1: Confirm the Solicitation Magnitude Bracket
Before locking in final numbers on bid day, review the advance notice and solicitation to confirm the agency's stated magnitude. Under FAR 36.204 Disclosure of the magnitude of construction projects, advance notices and solicitations must describe the requirement's magnitude using physical characteristics alongside an estimated price range. The regulation explicitly states that in no event shall the magnitude statement disclose the government estimate itself.
To keep estimates standardized across civilian and defense procurement, the contracting agency selects from one of eight defined pricing brackets:
- Less than $25,000
- Between $25,000 and $100,000
- Between $100,000 and $250,000
- Between $250,000 and $500,000
- Between $500,000 and $1,000,000
- Between $1,000,000 and $5,000,000
- Between $5,000,000 and $10,000,000
- More than $10,000,000
Cross-checking your prime or trade proposal against these specific ranges helps ensure that scope omissions or duplicate takeoffs do not push your figures entirely out of the procurement category the government intended. Commercial trade teams can pair this verification with a broader bid day checklist to ensure all labor and material lines align with the project magnitude.
Checklist Step 2: Account for the Independent Government Estimate Standard
Every commercial bidder should recognize how the agency builds its baseline. Under FAR 36.203 Government estimate of construction costs, an independent government estimate of construction costs must be prepared and delivered to the contracting officer at the earliest practicable time. This requirement applies to each proposed contract and to each contract modification anticipated to exceed the simplified acquisition threshold.
Even if a proposed contract or modification is not anticipated to exceed the simplified acquisition threshold, the contracting officer retains the authority to require an independent estimate. Under FAR 36.203(a), the agency must prepare the independent estimate in as much detail as though the government were competing for the award itself. For prime contractors and framing, drywall, or interior subcontractors negotiating adjustments later in the project, this detail level also impacts how the agency audits extra work, making standard practices for pricing change orders critical when submitting pricing revisions.
Checklist Step 3: Verify the Procurement Method and Definitization Timing
Estimators must verify the contracting method indicated in the solicitation package. When an agency utilizes two-step sealed bidding, the timing of the independent estimate shifts. According to FAR 36.203(b), the independent government estimate shall be prepared when the contract requirements are definitized rather than during the preliminary phase. If your firm is submitting proposals across multi-step procurements, understand that the agency definitizes requirements before finalizing the government estimate that will be used to evaluate sealed bids.
Checklist Step 4: Protect Against Assumptions Regarding Estimate Disclosure
On bid day, never rely on third-party rumors regarding the government's internal cost figure. Under FAR 36.203(c), access to information concerning the government estimate is strictly limited to government personnel whose official duties require knowledge of the data. Furthermore, the overall amount of the government estimate shall not be disclosed, unless such disclosure is specifically permitted by agency regulations.
The regulation outlines only one explicit operational exception during negotiations: a contracting officer is allowed to identify a specialized task and disclose the associated cost breakdown figures from the government estimate. However, the contracting officer may only do so to the extent deemed necessary to arrive at a fair and reasonable price. When trade contractors or small GCs enter post-submission discussions, they may see task-specific breakdown figures only if the contracting officer decides that partial disclosure is needed to resolve differences on specialized scopes of work.
Checklist Step 5: Validate Takeoff Physical Characteristics Against Solicitations
Because FAR 36.204 mandates that project magnitude be expressed in terms of physical characteristics in addition to price ranges, estimators must cross-examine physical quantities against the solicitation text. Square footage, linear dimensions, system counts, and layout descriptions in the solicitation must match your detailed takeoff sheets. If your calculated pricing approaches the boundary of the published magnitude range, checking your physical quantities against the agency's stated physical characteristics prevents errors before final bid submission.
Sources
- 36.203 Government estimate of construction costs. | Acquisition.GOV
- 36.204 Disclosure of the magnitude of construction projects. | Acquisition.GOV
Published October 29, 2026. No affiliate links on this page. Facts come from the sources linked above; check them for updates.