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Current Blanket Proprietary Certifications

Select link below to view and print Blanket Approval document for design file. 

07/01/17 - 06/30/19 (#17-0010) WSDOT Certified 06/27/17
Statewide Blanket Approval  (pdf, 60kb)
Neenah Foundry Roadway and Bridge Deck Drain

07/01/17 - 06/30/19 (#17-0011) WSDOT Certified 06/03/17
Statewide Blanket Approval (pdf, 54kb)
Hilfiker and Tensar Welded Wire Faced Structural Earth Wall

07/01/17 - 06/30/19 (#17-0012) WSDOT Certified 06/19/17
Statewide Blanket Approval (pdf, 49kb)
Expansion joint sealant systems

11/17/16 - 06/30/19 (16-0020) WSDOT Certified 11/17/16
Statewide Blanket Approval (pdf, 1.85mb)
ITS Equipment and Software

07/01/17- 06/30/19 (#17-0013) WSDOT Certified 06/27/17
Statewide Blanket Approval  (pdf, 41kb)
Anvil International Concrete Insert

07/01/17 - 06/30/19 (#17-0014) WSDOT Certified 06/28/17
Statewide Blanket Approval  (pdf, 127kb)
Slip Resistant Surface for Utility Appurtenances