25K - TESTING AND INSPECTION - Laserfiche WebLink

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select or exercise authority over the testing laboratory. • Accepting testers from the selected firm shall carry adequate identification with them so that the Independent Assurance testing personnel can verify the acceptance testers' certificates. • The selected firm must maintain the laboratory testing equipment in accordance with recognized national standards. • The selected firm must have an independent assurance testing and sampling program. This program can be performed either by their own personnel not involved in the acceptance testing and sampling, or by another quality assurance organizatiori. Acceptance Testing and Sampling • The selected testing laboratory shall conduct acceptance sampling and testing of materials and work on the first day such work is performed; and continues daily until the work is completed. Reporting Test Results • When aggregate is sampled in the material source, the laboratory firm shall submit to the Resident Engineer results of sand equivalent, cleanness value and sieve analysis within 24 hours. When soils and aggregate are sampled at the job site, results of these tests should be submitted within 72 hours. :: _ ..____ _ _ __ • __ Results _.of___compaction___and_ _density._ tests" _taken..at_ he job__ site_ should _ be _ _ • submitted within 24 hours. ~ When soils and asphalt concrete are sampled at the job site, R-value and asphalt extraction should be submitted within 96 hours. Independent Assurance Sampling and Testing The selected firm shall provide an Independent Sampling and Testing (ISAT) program: • To verify that the project's sampling and testing of materials is performed correctly by the testers and samplers. • To ensure the equipment is properly calibrated. • To provide the City with a copy of the program so that the Resident Engineer may verify that the program is carried out. • To provide the Resident Engineer with an immediate report, including action to - 5 - 25K-16