Water Loss Investigations

Hallman Engineering L.L.C. located in Minnesota (MN) has experience investigating the origin and cause of water damageWe have worked with both Insurance Adjusters and Attorneys on both sides of subrogation cases involving a wide variety of plumbing issues.

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David has investigated all type of water losses from small, single family home losses up to multimillion dollar losses involving high-rise office buildings, condominiums and apartment complexes.  These cases require special expertise and a good understanding of the failure modes involved.  Skills required for these investigations not only include investigative skills, but can also include mechanical and materials knowledge to determine the root cause of the failure.  David is particularity well suited for these cases since he holds degrees in mechanical engineering and materials science.  His significant hands-on experience is also very beneficial in these investigations.


We have experience with:

  • Dezincification or selective leaching
  • Galvanic plumbing failure
  • Fracture analysis
  • Plumbing degradation analysis
  • Installation errors
  • Frozen pipes
  • Sprinkler failure
  • Stress corrosion cracking

Water damage comes in a variety of forms.  Water damage in homes most typically comes from the following causes:

  • Frozen pipes
  • Leaking pipes
  • Leaky or failed valves
  • Broken washing machine hoses
  • Plumbing problems
  • Failed sump pumps
  • Improper plumbing installation
  • Refrigerator supply lines
  • Dishwasher supply lines
  • Toilet supply lines

Water damage accounts for a significant number of homeowners insurance claims:

  • Almost 40 percent of all homeowners have experienced loss from water damage
  • About 93 percent of all water damage can be prevented
  • Water damage is the second most frequently filed insurance claim in the United States
  • 250 gallons of water is released per day due to a 1/8-inch crack in a pipe
  • About 20 percent of all insurance claims are related to water damage
  • Billions of dollars in property losses are spent each year due to water damage