AIS Forensic Engineering   Expansion Tank - Cushion Tank Failure

AIS Forensic Engineering, PC:
Expert Witnessing, Accident Investigations, Consultations and Inspections

Boiler expert investigated and followed through advising on repairs of water tube WT boiler after overheat causing complete returbe and replacing a thrid of the steam drumAs a forensic engineering firm our field of interest is mechanical and explosion safety engineering for:

  • Boiler Safety
  • Boiler Explosions and Tearing Asunder
  • Steam and Water Drum Cracking
  • Steam Explosions
  • Boiler Flue Gas Stack Leaks Causing Fire to Wooden Structure
  • Fire Explosions Involving Boilers, Pressure Vessels, and Piping
  • Piping Safety
  • Steam Condensate Explosions (incl. Water Hammer)
  • Hydrogen Chloride HCl Manufacturing Explosions
  • TCS or SiHCl3 Explosions
  • Operator Error and Inspection Omissions
  • Furnace Explosions
  • Pressure Vessel Explosions
  • Pressure Vessel Safety
  • Mechanical Explosions and Tearing Asunder (incl. Turbine Wreckages)
  • Hydrogen or Caustic Embrittlement
  • Caustic Gouging
  • Piping Failures including Steam Condensate Water Hammer
  • Boiler Tube Vibrations: Bare Tubes and Finned Tubes

High-voltage electrical cabling and buss failure.Even years after a horrific accident, AIS Forensic Engineering expert can establish causes with a reasonable degree of certainty based on evidence.

AIS Forensic Engineering, PC has expert(s) that have provided extensive engineering accident investigations to find causes of accidents or just a second-opinion evaluation. With decades of experience that extend to the private sector, which includes insurance companies to corporations. AIS has many years of experience in engineering accident investigations to the public sectors, including friendly foreign govt, to the private sector. Our expert(s) have the experience to you resolve your position. We provide accident investigations for:

  • Explosions
  • Severe Boiler Overheating including Metallurgical Work for Drums and Tubes
  • Boiler Tube (HRSGs and WT Boilers) Metallurgical Analysis for (Overheating) Elevated Temperatures for Poor Water Chemistry or Excessive Duct Burner Firing
  • Superheater Damage from Elevated Temperatures
  • Extrusion Press Tie Rods UT Testing
  • Water Damage to Chillers
  • Evaporative Fan Failures to Ammonia Evaporator
  • HTHW Failures: Piping (RICWIL and Conduit) and HTHW Boiler/Generators Leaks
  • Surface Condenser Tube Failures
  • Corrosion Related Failures: Process and External
  • FOD (Foreign Object Damage) for Steam Turbine and Steam Expanders
  • Marine Dockage Hardware Mechanical/Metallurgical Failure
  • Steam Drum Tube Sheet Cracking in Ligaments - Drum Repairs and Replacements

Rental for Evidence Storage is available including re-crating and packing including annual desiccant evaluation.

AIS Forensic Engineering was originally founded in 1999 as AIS Accident Inspection Specialists, Inc. an investigation and inspection agency that provided boilers (B&PV) including B31 piping and AST or aboveground storage tank inspections including NDE/NDT and electrical equipment, investigations, reconstruction, forensic engineering, risk engineering, quality assurance Inspections, and training.

This AIS Forensic Engineering, PC analysis video is the bursting of a residential hot water boiler at operating temperature. Allegedly, the residential hot water heating boiler was asserted to have experienced a boiler explosion and allegedly during the boiler explosion the boiler was thrown forward through a wooded studded wall with subsequent rolling over a distance of less than several yards in a finished basement with fittings and piping torn away. At the forensic engineering investigators laboratory, the forensic analysis video shows here a similar boiler of make, size and model except age. For the accident report the forensic investigator brought the sample boiler up to operating temperature by a burner in the furnace and operating pressure, then the forensic investigator increased the pressure by an external pump. (no piping was attached and boiler was placed at the same distance from the masonry wall as the alleged hot water boiler) The video was documented in the accident report showing there is very-little steam produced from this type (using HWH) of boiler explosion and there is no thrusting against the masonry wall of the hot water and fragments from the burst. The boiler did not move forward either.

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