Rates, Norms & Durations / Tunnelling & Mining

Headings & Hand Tunneling

1 entrySource page: Headings & Hand Tunneling

Subjects on this page

Planning & Schedule Development
Resources, Productivity & Schedule Optimisation
Schedule development

Headings & Hand Tunneling entries
Activity	Entry (verbatim)	Source
Vertical Shafts Planning & Schedule Development Resources, Productivity & Schedule Optimisation	Vertical Shafts Vent shaft 10 m dia, build 1 m/day, excavate at 80 m3/day Vent shaft connecting tunnels 6m dia, build 0.75 m/day, excavate at 21 m3/day4 rate statements found; left for an editor	Vertical Shafts

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These values were contributed by members and reflect the conditions, methods and regions they worked in. They are a starting point for estimating, not a standard. Check them against your own records, the site conditions and the contract before relying on them.