Technical guides
Earthwork methods, checks and project inputs.
Guides to grid-method assumptions, cross-section spacing and checks, and the information to prepare for an earthwork takeoff.
Grid methodSite formation earthwork
Use this guide to check what a grid estimate includes and where the source levels need closer attention. It cannot select a grid spacing or approve a quantity without the project survey, design and measurement rules.
Read the guide · Zhou Civil Works ↗
Cross-section methodCorridor earthwork
A section area is only one input to a reach volume. This guide explains that distinction and the spacing checks to discuss with the reviewer; a single section cannot establish the quantity for a corridor.
Read the guide · Zhou Civil Works ↗
Project preparationEarthwork quantity takeoff
A short preparation checklist for sending drawings and survey information for an earthwork quantity takeoff.
Read the guide · Zhou Civil Works ↗
Have drawings that need measuring? Send them.
The first review confirms the inputs, method and deliverables. We aim to respond within two business days.