openmud

AI tools for heavy civil and underground utility work.

Review a bid scope. Check your quantities. Draft a proposal or schedule. Put mud1 to work on the construction task in front of you.

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Free beta. No sign-in required.

A worked example

A scope note in. A proposal draft out.

See the input beside a worked output. This illustrative example uses supplied prices, with the arithmetic checked. It is not a live model response or a market quote.

01 / Your input

Turn the scope into a draft.

Draft a proposal for 300 LF of 8-inch PVC sewer at $85 per LF, 2 manholes at $4,200 each, and $3,500 for mobilization. Add 10% markup to the subtotal. Exclude permits, traffic control, testing, and taxes. Show the line items and total. Flag anything else that needs clarification.

Copy this into mud1, or bring your own scope.

Open mud1

02 / Worked output

Draft for review

Sanitary sewer installation

Scope and prices supplied in the example.

8-inch PVC sewer300 LF at $85 / LF
$25,500
Manholes2 each at $4,200
$8,400
Mobilization1 lump sum
$3,500
Subtotal
$37,400
Markup / 10% of subtotal
$3,740
Draft total
$41,140

Excluded: permits, traffic control, testing, and taxes.

Confirm before issue: pipe specification, trench depths, and whether the supplied rates include bedding, backfill, and disposal.

Jobsite gameplay with an excavator, haul truck, pipe crew and a visible trenchActual gameplay / browser construction sim

Learn by working the site

Dig. Load. Lay pipe.

Choose a region and run a small construction site. Cut a trench, load trucks, and bring in the pipe crew.

  • Six regions with different ground and equipment
  • Excavation and crew progress saved on your device
  • Fullscreen play and a construction learning guide
Play Jobsite

Early playable build. MIT-licensed source on GitHub.

Tools

More tools for the job.

Measure a plan, check a calculation, or look up a construction reference.

AI for estimatorsWays to use mud1 for scope reviews, quantities, and bid preparation. Web takeoffCalibrate plan PDFs and measure lengths, areas, and counts. Construction calculatorsCheck trench volume, material quantities, and production math. Construction wikiFind terminology, field references, and learning resources.

Working on a Mac? Download openmud for desktop project workflows, or get Construction Takeoff for plan markup.

Bring your next construction task.

Try construction AI Site overview