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State Materials Laboratory
1655 S 2nd Ave
Tumwater, WA

Page maintained by:
Shannon Huber

Qualified Product List

Product Information

Manufacturer : Trinity Highway Products, LLC, Centerville - UT

Product Name : C.A.T. 350
    Standard Spec : 8-17.1, Attenuator - Impact Attenuator Systems

    Product Description : Impact attenuator system: NCHRP 350, Test Level (TL) 3; for Permanent use
    Product Restriction :

    Acceptance Code : 3102
    Code Description : Visually verify the product delivered to the job site is the product that was originally submitted by the Contractor and approved from the QPL. If the Contract contains a Buy America clause the PEO is responsible for acquiring a Certificate of Material Origin from the Contractor. Note 'Restrictions' when present.

    Note 1 : When wood post and blocks received from the manufacturer are integral with the system they will require a Manufacturer's Certificate of Compliance per WSDOT Std Spec 1-06.3 for acceptance. The MCC will state they conform to WSDOT standards for Grading and Treatment per WSDOT Std Spec 9-09.
    Last Updated : Sep 14, 2011

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