ZIP Code 37402 Construction Cost Estimating & Crew Wage Index (Chattanooga, TN)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 37402 in Chattanooga, Hamilton County, Tennessee. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 37402 Calibration Card
- Jurisdiction
- Hamilton County
- ZIP Labor Index
- 87.4
- Material Freight Index
- 99.2
- Composite Multiplier
- 0.93x (92.7)
- Coordinates
- 35.0463, -85.3161
ZIP 37402 (Chattanooga, TN) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Predominantly Open-Shop / Right-to-Work bidding in Hamilton County (87.4 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 37402 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $68.61/hr | $18.17/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $65.38/hr | $20.76/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $66.60/hr | $9.08/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $56.72/hr | $220.63/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $69.40/hr | $3940/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $58.12/hr | $9.50/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $63.02/hr | $31.98/CY | From $95 |
TN Building & NEC Code Notes
Tennessee State Fire Marshal Commercial Building & Electrical Program + Metro Nashville, Memphis/Shelby, Knoxville, Chattanooga amendments.
Site & Environmental Scope Factors
Memphis/Shelby County New Madrid Seismic Category D structural steel/MEP bracing; Nashville middle-TN solid limestone rock trenching/blasting.
Prevailing Wage Rules in ZIP 37402
Tennessee Prevailing Wage Act limited primarily to state highway work; federal Davis-Bacon on TVA/DOE Oak Ridge.