MEP, Mechanical Electrical Plumbing

Acquisition – Due Diligence: MEP Systems

(Last Updated On: February 24, 2018)

Systems Overview – Mechanical Electrical Plumbing (MEP)

Mechanical – HVAC:

  1. HVAC Plant (central M local) – Base Load Capacity
  2. Check Plant Sizing; Rule of thumb: 350 sq ft / ton or 400 cfm / ton
  3. Check Spare Capacity (Chilled Walled Supply / Condensor Water Supply)
  4. Age of Major Equipment – Preventative Maintenance and Emergent Service History
  5. Energy Economizer Strategy (Water Side/Air Side)/Load Shedding
  6. Refrigerant Type(CFC Free From Year 1998; e.g.: R-1 31, R-134, etc.)
  7. Chemical Water Treatment / Filtration / Coupon Rack Sampling
  8. Temperature Control System and Building Management System
  9. Tenant Complaints / F AQ Testing / Mold & Fungus
  10. Required Certificated Plant Operators / After Hours Use
  11. Boilers & Fuel Tanks / Utility Steam or “Other”
  12. Energy Consumption Conservation Codes / Water Consumption
  13. Patent Distress – Leaks, Excessive Noise / Vibration / Not Clean
  14. Life Safety Interface (Smoke Detection / Shutdown / Smoke Purge) and
  15. Emergency Power provisions.
  16. Supplemental Cooling (EMR’ s, MDF / IDF, etc.) and “N+ 1” Applications

Mechanical – Fire Safety:

  1. Review Sprinkler Certification
  2. Review Fire Department Inspection Approval Letters
  3. Inspect Fire stopping at Slab Perimeter, Rated Partitions, Shafts and Risers
  4. Perform Fire Pump Test including Emergency Power Test to Roof Manifold
  5. Check for type of Sprinkler System – Wet/Dry /Pre-action System
  6. Review Fire Department Certification of Sprinkler System
  7. HVAC auto shut-down on Alarm / Active Smoke Purge + Reset
  8. Standpipe Hose Racks / Fire Extinguishers / Fire Warden Stations / Staff

Electrical – Electrical Power Systems

  1. Check Incoming Service Contingency
  2. Review Service “Outage” History
  3. Review Power Billing History for Actual Usage
  4. Establish Summer Peak Demand and Available Spare Capacity
  5. Check Ground Fault Main Gear and Distribution (Sensing and Tripping)
  6. Check for Main Switch Reset Failures and Tie Bus Switching
  7. Check Main Gear and Distribution Material (Copper, Aluminum, or Mixed)
  8. Visit Switchgear Room – Check for Active Leaks, Corrosion, Clearance
  9. Perform Infrared Thermography Scan and List Corrective Work Requirements
  10. Review Tenant Distribution and Diversity
  11. Check Local Transformers
  12. Check Panel Spare Capacity

Electrical – Low Voltage Systems

  1. Review Tenant Tel / Data Riser Capacity, Floor Closet Capacity
  2. Check Tel/Data Fiber Backbone
  3. Check for Equipment Induced Harmonics, Other Distortion and Filtering Problems
  4. Low Voltage Systems – Security, Shade Control, Loading Dock Intercom

Electrical – Emergency Power and Lighting

  1. Check Emergency Generator(s) Capacity, Condition and Performance
  2. Check Emergency Load Inventory and Spare Capacity
  3. Check the Condition of Fuel Oil Tanks and Auxiliaries
  4. Perform “Pull-the-Plug” Test by Killing Power outside the Building
  5. Review Test Logbook
  6. Lightning Protection – Check UL Mater Label and Recertification

Electrical – Fire Safety: Fire Alarm System

  1. Fire Alarm System Certification / Supervised Zone “Troubles”/ Handicap
  2. Combo Speaker Strobe Annunciators
  3. Evacuation Plan and Required Signage
  4. Elevator Interface for “Fireman’s Recall”

Electrical – Elevators

  1. Check OEM Manufacturer; Local Supplier and Service Agreement
  2. Type: Freight/Passenger
  3. Car Capacity and Cab Dimensions
  4. Age of Equipment
  5. Tenant “Wait Time” Complaints
  6. Preventive Maintenance
  7. Emergency Service History
  8. Professional Consultant’s Evaluation
  9. Accessibility Compliance
  10. Group Traffic Logic

Plumbing

  1. Check Sufficiency of Water Pressure
  2. Check Sufficiency of Hot Water Storage + Circulation
  3. Check Age of Equipment & Piping
  4. Check for Leak and/or Poor Flow History
  5. Piping Materials and Jointing (Bi-Metallic Corrosion, etc.)
  6. Review Potable Water Testing Reports – Heavy Metals, Turbidity, Biologic
  7. Appraise Condition of Stoneware and Fittings
  8. Check Water Consumption/Savings
  9. Review Accessibility Compliance of Sanitary ware and Fitting
  10. Ensure presence of RPZ or Double Flow-Check Type Backflow Preventer(s)
  11. Ensure Cross-tie to Fire Service
  12. Ensure presence of Exercise Valves
  13. Review Critical Valve Access
  14. Review Condition of Sewer Connection(s), Ejectors and House Trap
  15. Check Roof / Plaza Drains and Leaders
  16. Check Wood / Steel Water Tanks

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