Field Evaluations

HAE evaluates many structures including, but not limited to, steel & concrete water tanks, standpipes, elevated tanks, hydropneumatic tanks, penstocks, water mains, and a variety of water & wastewater treatment structures.


  • Evaluate appurtenances in relationship to seismic events

  • Evaluations following seismic events or overfilling damage

  • Recommendations and costs of structural modifications to bring reservoir into compliance with current codes and standards


  • Condition of coatings, paints, and appurtenances

  • Adhesion of existing paints

  • Failure analysis

  • Recommendations and costs of coating, paint, and safety repairs

  • Prioritize facility repairs

  • AWWA recommends evaluations every 3 years

Harper & Associates Engineering, Inc.

Telephone: (951) 372-9196

Fax: (951) 372-9198

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