Technical Calculation | And Estimator 39s Manhour Manual Pdf Best

| Condition | Factor | Range | | :--- | :--- | :--- | | Temperature > 32°C | 1.15 – 1.25 | +15-25% manhours | | Rain (intermittent) | 1.10 | +10% | | High altitude (>2000m) | 1.20 | +20% | | Night work (no bonus) | 1.30 | +30% | | Confined space | 1.40 – 1.60 | +40-60% |

A long-standing industry standard for general construction labor estimating.

To get the most out of this resource, don't just copy the numbers. You must apply the manual’s logic to your specific project environment.