Technical Advisory Council

NASSCO’s Technical Advisory Council (TAC) brings together the industry’s finest technical and field practitioners to provide objective, knowledgeable and sound guidance to NASSCO. Combined, this group of individuals has 200 years of experience in assessment, maintenance, and rehabilitation; 30+ years training PACP® and ITCP®; 2,000+ miles of condition assessment performed; 20,000+ miles of pipe rehab design and construction; 2,000+ manholes rehabilitated; and 20,000+ vertical linear feet of MACP® manhole inspections.


  • Chris Garrett, P.E.
    P. 301-624-2400


  • Chris Macey, P.E.
  • Lynn Osborn, P.E.
  • Dennis Pivin, CSP
  • Kaleel Rahaim
  • Jerry Weimer
Education & Training

NASSCO is more than PACP and ITCP certification. It is also supplemental learning and Exchange events that help you stay up-to-date on the latest technologies and trends.

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From published reports to specification guidelines, NASSCO’s continually growing library of technical resources is the foundation for setting quality industry standards.

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NASSCO speaks for its members through appeals to congressional leaders to support infrastructure funding by protecting trenchless technologies, and so much more.

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Have a Technical Question?

Ask the Technical Advisory Council.