MEP Survey Report

Electrical & Power

Electrical & Power Systems Survey

Field checklist for documenting service equipment, distribution, and emergency power during an existing-condition survey or construction observation. Photograph nameplates and clearances in the same note.

Service Gear

  • Record utility voltage, service ampacity, interrupting rating, and the main disconnect tag.
  • Note metering arrangement, grounding electrode conductor, and bonding at the service.
  • Measure working clearance in front of the gear and record depth, width, and headroom obstructions.
  • Photograph posted available fault current. Do not calculate it in the field from memory.

Transformers

  • Record kVA, primary and secondary voltage, impedance, and temperature rise from the nameplate.
  • Note dry-type versus liquid-filled, and any oil leak, unusual noise, or blocked ventilation.
  • Verify equipment grounding and the bonding jumper.
  • Record clearance to walls, ceilings, and adjacent gear. Note storage inside the working space.

Branch Circuit Panels

  • Log panel name, voltage, phases, bus ampacity, and whether the panel is main breaker or main lugs only.
  • Count spare breakers and empty spaces separately.
  • Compare the directory to a sample of breaker positions. Note blanks, doubles, and taped breakers.
  • Record neutral and equipment-ground condition, including double-lugged terminals.

Generators & Automatic Transfer Switches

  • Record generator kW or kVA, voltage, fuel, and the day tank or gas piping at the unit.
  • Log ATS manufacturer, ampere rating, poles, and whether the transition is open or closed.
  • Identify normal and emergency sources on the switch. Note the exerciser setting and any annunciator alarm.
  • Where an essential system is labeled, separate life safety, critical, and equipment branches in the notes.

Facility Distribution Checks

  • Data centers: record UPS, PDU, and dual-cord loads. Note which source each cord lands on.
  • ASRS warehouses: trace crane or shuttle feeds, busway tap boxes, and aisle disconnects.
  • Healthcare: confirm the essential system branches are identified at the transfer equipment and at the panels.
  • Commercial buildings: record mechanical equipment feeds, lighting panels, and spare capacity at the main board.

Supported Facility & Project Types

  • Data Centers
  • ASRS Warehouses
  • Healthcare & Hospitals
  • Commercial Office Buildings
  • Industrial & Manufacturing
  • K-12 & Higher Education
  • Retail & Mixed Use
  • Federal & Institutional
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