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Washington Aggregates & Concrete Association

WACA/WSDOT Team Meeting Minutes

The WSDOT State Construction Office co-sponsors teams including WSDOT and industry partners. The teams provide recommendations on design and construction practices. The teams also assist project development by providing project reviews. Projects utilizing design-bid-build as well as alternative delivery methods are welcome. If you would like to place an item on the meeting agenda for one of these teams, please contact the co-chairs or support listed.


The WACA/WSDOT Team works on issues that affect WSDOT Construction Projects and works on updates to the WSDOT Standard Specifications associated with concrete, aggregate, cement, ready mix concrete and related materials. The Washington Aggregates & Concrete Association (WACA) is a non profit industry trade association representing sand, gravel, quarry rock, cement, ready mix concrete, related businesses and suppliers in Washington State.

Co-Chair WACA: Bruce Chattin, Executive Director of WACA
Co-Chair WSDOT: Donny Henderson

2024 Meeting Minutes

2023 Meeting Minutes

2022 Meeting Minutes

Scheduled meeting dates:

  • September 4, 2024
  • December 4, 2024
  • March 5, 2025