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Current Blanket Proprietary Certifications

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

07/01/15 - 06/30/17 (15-0004) WSDOT Certified 05/13/15
Statewide Blanket Approval  (pdf, 60kb)
Neenah Foundry Roadway and Bridge Deck Drain

07/01/15 - 06/30/17 (15-0010) WSDOT Certified 05/13/15
Statewide Blanket Approval  (pdf, 56kb)
Primavera PS Scheduling Software

07/01/15 - 06/30/17 (15-0008) WSDOT Certified 06/08/15
Statewide Blanket Approval (pdf, 54kb)
Hilfiker and Tensar Welded Wire Faced Structural Earth Wall

07/01/15 - 06/30/17 (15-0009) WSDOT Certified 06/08/15
Statewide Blanket Approval (pdf, 49kb)
Expansion joint sealant systems

07/01/15 - 06/30/16 (15-0006) WSDOT Certification extended 06/05/15
Statewide Blanket Approval (pdf, 1.85mb)
ITS Equipment and Software

07/01/15 - 06/30/17 (15-0005) WSDOT Certified 05/13/15
Statewide Blanket Approval  (pdf, 41kb)
Anvil International Concrete Insert

07/01/15 - 06/30/17 (15-0007) WSDOT Certified 06/05/15
Statewide Blanket Approval  (pdf, 127kb)
Slip Resistant Surface for Utility Appurtenances


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