Faq

Frequently Asked Questions

Question: My facilities have good water quality and maintain a constant chlorine residual; what is the benefit of regularly inspecting my facilities?

Answer: Often problems are not related to water quality alone:

  • Leaks
  • Blistered, delaminating, failing coatings
  • Corrosion
  • Line in danger of failure (internal overflow lines)
  • Obstructions in seldom used lines (drain lines)
  • Spent anodes
  • Voids in vent screens
  • Vandalism
  • AWWA recommends that potable water storage facilities be inspected once every three years or as required by local regulatory agencies.

Documenting these issue BEFORE they become emergencies allows for budgeting and scheduling at the facility owners discretion. Often small problems can be resolved before they become emergencies.

Question: What is the advantage of conducting a wet inspection vs. a dry/drained tank inspection?

Answers:

  • A diver can use the natural magnification of water to more easily view areas of concern.
  • A diver can document the condition of vertical walls and support columns from the floor to the waterline and above without erecting scaffolding.
  • Both water magnification and the divers ability to swim close to the floor allows easier viewing vs. a standing inspector in a dry environment.
  • No facility down time.
  • Wet Inspections can be completed in a few hours vs. a few days to drain and inspect a tank dry.

Question: Why and when should a warranty inspection be conducted?

Answer: We strongly recommend conducting eleven month warranty inspections after construction, re-coating or repairs of water storage facilities. Coating or structural issues are then the responsibility of the contractor and can be resolved at no expense to the owner of the facility. We have documented on numerous occasions significant issues during warranty inspections saving the districts involved hundreds of thousands of dollars.

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