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I <br />I <br />CHANGE ORDER # 3 <br />CITY OF SAN MARCOS, TEXAS <br />PROJECT: Oakridge Booster Pump Station <br />CONTRACTOR: Keystone Construction Inc. <br />ORIGINAL CONTRACT DATE: March 11, 201.0 - September 7, 2010 <br />CHANGI? ORDER DATE: November 9, 2010 <br />WORK TO BE ADDED TO OR DELETED FROM SCOPE OF SERVICES <br />• Change the primer system from Rustbond to Carbozine 859 for both ground storage <br />tanks. <br />• Change the surface preparation from pressure washing to SSPC -SP6 Commercial <br />Blasting for both ground storage tanks. <br />• Add containment for abrasive blasting the exterior of both ground storage tanks. <br />Change in contract time 61 days <br />Previous contract amount: $ 766,191.16 <br />Net increase /decrease in contract amount: $ _ 54,847.06_ <br />Revised contract amount: $ 821,038.22 <br />Previous contract time of completion (substantial /final) 279_ _ / 309 days <br />Net increase /decrease in contract time of completion 61 days <br />Revised contract time of completion (substantial /final) 340 / 370 days <br />Percent of Change 7.2% <br />Recommen <br />Engi <br />b : Date: aC) /U <br />T. son Roberts, P.E. Project Manager, Associate <br />Requeste <br />Contra or: <br />b� �y. <br />Change Form 6/7/2004 <br />Date: W w - 1 U <br />