If you’re looking for the ultimate guide to piping and mechanical estimation, the Technical Calculation and Estimator’s Man-Hour Manual
The "Technical Calculation and Estimator's Man-Hour Manual" by Marko Bulić is widely considered one of the best industry standards for estimating labor requirements in the erection of process and chemical plants. Whether you are a seasoned project manager or a junior estimator, having a reliable PDF manual for man-hour calculations is essential for accurate bidding and project planning. Why This Manual is the Industry Standard If you’re looking for the ultimate guide to
| Cable Type | Size (AWG/kcmil) | Manhour per 100 ft (tray) | Termination manhour per end | | :--- | :--- | :--- | :--- | | THHN | #12 | 0.6 | 0.2 | | MC Cable | #2 | 1.2 | 0.5 | | Armored (3C) | 350 kcmil | 2.8 | 1.5 | | Instrumentation | #18 pair | 1.0 | 0.8 (shielded) | MH_raw = Q / P MH_effective = MH_raw