Man-hour rates for sorting, pre-erection, transport, and installation of light to heavy structures.
The data is typically presented in matrices cross-referencing pipe diameter (e.g., 2" to 48") with wall thickness (e.g., Schedule 40, 80, 160). Pipe Diameter (Inches) Welding Man-Hours (Carbon Steel) Erection Man-Hours (per Meter) Valve Installation (Flanged) 4" 8" 12"
Industrial estimators rarely read this book cover-to-cover. A PDF allows you to use Ctrl + F to instantly jump to specific pipe diameters, welding codes, or material types, saving hours of manual flipping.
What is your ? (e.g., Oil & Gas, Power, Mining)
Some common formulas used in man-hour calculations: A PDF allows you to use Ctrl +
The manual is a comprehensive compilation of labor productivity data gathered over decades of industrial construction. It translates complex physical tasks into predictable time units (man-hours).
Example B — Cable terminations
High-quality PDF editions feature clickable tables of contents for rapid navigation between sections. How to Apply Man-Hour Formulas to Real Projects
Provides the project controls team with a benchmark to measure actual field productivity against the baseline schedule (Earned Value Management). Key Sections and Data Structures It translates complex physical tasks into predictable time
| 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) |
Covers everything from scaffolding to painting 1.2.3. How to Effectively Use Man-Hour Manuals
The Technical Calculation and Estimator's Man-Hour Manual is a specialized, comprehensive guide used by estimators, planners, and project managers to calculate the exact labor time required for erecting and installing industrial equipment.
Working on scaffolds or elevated platforms decreases productivity compared to grade-level work. Piping and Elements For Project Estimation
Best Practices for Integrating the Manual into Digital Workflows
The manual is structured to allow quick access to highly specific technical data. It eliminates reliance on "gut feelings" by providing empirical, field-tested formulas and tables. 1. Piping and Elements
For Project Estimation, Budgeting, and Resource Allocation
Base Mh = 10,000, Conceptual → 13,000 – 15,000 Mh.
No manual is a substitute for your company's unique history. Always compare the manual's standard benchmarks against actual as-built data from your past completed projects to fine-tune your internal adjustment coefficients.