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Insights

Useful guidance on construction quantities, materials, cost and document workflows. Technical claims state their assumptions and sources.

Technical guideQuantity takeoff

What makes a quantity takeoff traceable

A quantity is only useful if someone else can check it. Four links every line of a takeoff should keep, and how to test your own schedule.

· 5 min read

Technical guideMaterial planning

From measured quantity to purchase quantity

Waste factors, unit conversion and rounding each change what you order. Apply them in a fixed order and write each one down.

· 4 min read