Tools

Free data center estimating basis checklist

Use this browser-only checklist to prepare a data center electrical estimating basis. It checks documents, quantities, rates, interfaces and open assumptions. It does not supply market prices or design values.

Updated September 28, 2026

Working checklist

Estimate basis readiness

Tick each control supported by the current bid.

0/6controls ready

Current drawings, schedules and addenda recordedKeep the revision list with the estimate.Quantities trace to sourcesSeparate measured quantities from allowances.Rates have a source and dateRecord supplier, labour or approved library basis.Supply and install boundaries checkedReview testing and handover too.Estimate changes are loggedRecord source and affected rows.Open items have ownersDo not hide unresolved assumptions.

What should be retained?

Keep the checklist with the estimate basis, source register and open risk list. It should show who reviewed each control.

Estimate evidence
Area	Evidence	Owner
Documents	Revision register	Bid manager
Quantity	Takeoff	Estimator
Rates	Quote register	Commercial reviewer
Open items	Risk and action log	Bid lead

Common questions

What else should the bid team know?

Does this tool calculate an estimate?

No. It checks readiness only.

Are selections transmitted?

No. The checklist runs in the browser.

Who approves the estimate?

The authorised estimator and project reviewers defined by the bid process.

Primary sources

MasterFormat 2026Construction Specifications Institute
NFPA 70, National Electrical CodeNational Fire Protection Association
ANSI/TIA-942 Telecommunications Infrastructure Standard for Data CentersTelecommunications Industry Association
Tier Standard: TopologyUptime Institute

Need a checked deliverable?

Need the estimate basis reviewed?

Send the current takeoff, source register and open-item list for a structured review.

Describe the tender