[Construction Manual] CPB 12-4, "Field Sampling Procedures for Traffic Painting, Thermoplastic, and Glass Beads"
construction_publications at dot.ca.gov
Tue Oct 9 08:47:42 PDT 2012
Dear Construction Subscriber,
We have posted Construction Policy Bulletin 12-4, "Field Sampling
Procedures for Traffic Painting, Thermoplastic, and Glass Beads," and its
attachments on our website:
California Test 406, “Method of Test for Field-Sampling of Pavement Marking
Materials,” describes sampling procedures for obtaining samples of
pavement-marking materials from a factory-sealed bag, from a bulk
container, or from stripe-application equipment. Field-striping inspectors
must follow the procedures in California Test 406 to ensure that
representative samples are taken of pavement-marking materials. California
Test 406 (September 2011) is attached to this bulletin.
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