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_. ,pyryq-yVQ��ha�r;�d�7j1�$tQO I m Il 119 ,e,ea-C CW1 Y 'V 1 .P <br /> • Jan 141301:52p Cornerstone Foundation 5416799211 p.1 <br /> L <br /> Cornerstone Foundation System, LLC <br /> QUALITY CONTROL OPERATI'.JG PROCEDURES <br /> Prior to starting the concrete mix process, he foreman of manufacturing <br /> wilt go through a check list (attached page M-4)to determine if ail <br /> additives are on hand to complete the number of batches scheduled for the <br /> day. <br /> Sometimes the size of each batch will char,;e based on the number of <br /> molds to be poured. A precise formula is fi;llowed. Measuring cups and <br /> scales are on site. <br /> Umpqua Testing Service is under contract ter random test the concrete mix <br /> twice a year. They are authorized to ask qw astions of the employees <br /> preparing the concrete batch. <br /> ▪ Where is the mix design chart <br /> [ • What size batch are you preparing <br /> �r • Take a cylinder test sample of the mb:: <br /> • Produce a break test report in 28 days <br /> • Keep a copy of that report in their off ce <br /> • Deliver a copy of that test report to Cr rmerstone management <br /> • If the break test is less than 3200 psi, I.Jmpqua Testing is to inform <br /> the manager,Norris Strauch, in writir,;within 24 hours <br /> Umpqua Testing will also come to the menu;'acturing facility of <br /> Com':rstone Foundation System at 140 Art I till Lane,Roseburg once a <br /> year to pick out a panel for testing. Any panci that has cured for 30 days <br /> will be picked from inventory and tested for :hear load resistance. <br /> • A copy of the test report will stay i it the Umpqua office. <br /> • A copy of the test report wilt be delivered to the Comerstone <br /> Foundation office. <br /> Umpqua Testing Officer c A-12 net Lti f .4 Date Z/t'/( 3 <br /> Comemtone Officer 2-t 4 — r 4 Date <br /> V <br />