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Rates, Norms & Durations / Building & Construction / Preparation Works

Site Investigation

Site Investigation...Task / DescriptionSlow Ave Fast Units Pre Drilling, Rercussive or Rotary, soft deposits8.0 10.0 14.0 m/hr Pre Drilling, Wash Boring, grade V/IV rock2.5 3.2 3.9 m/hr Pre Drilling, Triple Tube Sampling, grade V/IV rock0.4 0.8 0.9 m/hr Pre Drilling, Rotary, grade III/II rock0.2 0.5 0.7 m/hr Pre Drilling, Triple Tube Sampling, grade III/II rock0.1 0.4 0.7 m/hr
Site Investigation entries
ActivityEntry (verbatim)Source
InstrumentationA typical rate of 3 days per instrument can be used to calculate detailed ground monitoring scenarios.Instrumentation

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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.