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MEP Rough-In Inspection Checklist

Cette liste de contrôle est en anglais.

A rough-in inspection checklist for verifying mechanical, electrical, and plumbing installations before walls are closed and concealed.

IMC 2021IPC 2021NEC (NFPA 70) 2020IFGC 2021

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Readiness & Documentation

  • Is the rough-in inspection requested only after all concealed MEP work is complete and before insulation or drywall? *
  • Are approved permit sets and current shop drawings available on site? *
  • Have prior framing/structural inspections been signed off? *
  • Are all penetrations through rated assemblies identified for firestopping review? *

Electrical Rough-In

  • Are boxes, conduits, and cabling secured and supported per code? *
  • Is box fill within allowable limits for conductor count and size? *
  • Are conductors protected from physical damage with proper clearances from framing edges (nail plates)? *
  • Are grounding and bonding conductors installed and continuous? *
  • Are box heights and locations coordinated with architectural elevations? *

Plumbing Rough-In (DWV & Supply)

  • Is the drain, waste, and vent (DWV) system installed with correct slope and pipe sizing? *
  • Are cleanouts provided and accessible at required locations? *
  • Has the DWV system passed a water or air pressure test? *
  • Has the water supply system passed a pressure test? *
  • Are pipe supports and hangers spaced correctly for the pipe material? *

Mechanical & Gas Rough-In

  • Is ductwork sized, sealed, and supported per the mechanical plans? *
  • Are combustion air and equipment clearances maintained? *
  • Has fuel gas piping passed the required pressure test? *
  • Are dampers (fire/smoke) installed at rated penetrations? *

Sign-Off

  • Have all deficiencies been corrected or documented for re-inspection? *
  • Photo documentation of concealed rough-in conditions
  • Inspector signature and disposition
  • Inspection date

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