Field calculator

Construction Production Calculator

Plan the work from a quantity. Or find the quantity that fits the time.

Scenarios and rate libraries are saved in this browser.

01 Project / closure inputs

Template

Loading a template replaces the operation list. Duplicate your scenario first to keep a comparison.

Project / scenario name Project quantity Project unit

Working calendar

Start date (optional) Hours per workday / rate basis Daily shift starts Workdays per week

Actual working weekdays

Holidays, variable shifts & night work

Holidays / non-working shift dates (YYYY-MM-DD, separated by commas)

Optional hours by weekday override the shift length; leave blank for the default. Rates per workday always use the hours-per-workday basis above. Overnight shifts belong to their starting date. Times use the site's local civil clock; daylight-saving hour changes are not modeled.

02 Operations

Each enabled operation must finish. Sequential work shares unused shift time. “Next workday” reserves a separate day. Concurrent work needs independent crews.

Add work item

03 Production assumptions & scheduling

Rate library Production level HMA density (LB/CF)

Allow sequential operations to transition within a workday Allow concurrent operations with independent crews Require each HMA lift on a separate workday

136 work items from MDOT Roadway & Bridge Production Rates — November 2023. Rates and comments are preserved from the source, including flagged inconsistencies. These are planning assumptions, not guaranteed production. Rate edits take effect when you select “Apply library rates.”

Days/item rates are converted to items/workday; curing and lead times use calendar activities. Months use an explicit 30-day planning conversion. Additional setup, testing, or cure allowances mentioned in source notes must be added to your sequence.

Production Rate Library — edit, copy, or add rates

New library nameSource type

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Scenario comparison

Duplicate Scenario saves a snapshot here and opens an editable copy. Compare alternatives using the same project unit and calendar assumptions.

Quick calculators

Focused calculations using the same quantity and production functions.