A delivery estimate has been prepared but depends on availability and inputs that contributors have not checked.
The useful bits
- Estimate version and range
- Named assumptions
- The responses should identify which assumptions hold and which need a revised value or owner.
Before you write
Use this example when a delivery estimate has been prepared but depends on availability and inputs that contributors have not checked. Gather the details below so the recipient can act without asking you to reconstruct the situation.
- Estimate version and range
- Named assumptions
- Contributors responsible for each dependency
An email you can adapt
The subject “Assumption check for [project] estimate” identifies the request. Replace each bracketed field with a checked detail and remove any sentence that does not describe your situation.
Subject: Assumption check for [project] estimate Hello everyone, The estimate at [location] uses [range] based on [assumptions]. Please review the assumptions assigned to your area and confirm them or provide a correction by [date]. We need to distinguish confirmed availability from a planning guess. [Owner] will revise the estimate after collecting responses. Until then, please describe it as provisional rather than quoting one end of the range as an agreed deadline. Best, [sender]
Check the boundary
Avoid converting a conditional estimate into a commitment by removing its range or assumptions in a summary.
What a useful reply should settle
The responses should identify which assumptions hold and which need a revised value or owner.
Publish a new estimate version with the checked assumptions and explain material changes to stakeholders.
About this guide
Prepared with AI assistance for the BITTU Mail editorial library. Check important details against your original messages and current account settings. Product access depends on your role, plan and provisioning state. Provider interfaces and requirements can change.
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