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.

• Sept 2020 WACA/WSDOT Meeting Minutes (pdf 117kb)
  - QC Plan Frequently Asked Questions #1 (pdf 1198kb)
  - QC Plan Frequently Asked Questions #2 (pdf 176kb)
• Dec 2019 WACA/WSDOT Meeting Minutes (pdf 81kb)
• Sept 2019 WACA/WSDOT Meeting Minutes (pdf 139kb)
• June 2019 WACA/WSDOT Meeting Minutes (pdf 134kb)
• March 2019 WACA/WSDOT Meeting Minutes (pdf 115kb)
• Dec 2018 WACA/WSDOT Meeting Minutes (pdf 110 kb)
• Sept 2018 WACA/WSDOT Meeting Minutes (pdf 43 kb)
• June 2018 WACA/WSDOT Meeting Minutes (pdf 41 kb)
• March 2018 WACA/WSDOT Meeting Minutes (pdf 51 kb)
• Dec 2017 WACA/WSDOT Meeting Minutes (pdf 83 kb)
• June 2017 WACA/WSDOT Meeting Minutes (pdf 55 kb)
• Sept 2016 WACA/WSDOT Meeting Minutes (pdf 225 kb)
• June 2016 WACA/WSDOT Meeting Minutes (pdf 251 kb)
• Sept 2015 WACA/WSDOT Meeting Minutes (pdf 249 kb)
• June 2015 WACA/WSDOT Meeting Minutes (pdf 320 kb)
• March 2015 WACA/WSDOT Meeting Minutes (pdf 255 kb)