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� KOESTER <br /> "AN EMPLOYEEOWNED COMPANY" <br /> � CONTRACTING CORP. <br /> 14649 Highway 41 North <br /> Evansville, Indiana 47711 <br /> 812-867-6635 <br /> FAX 812-867-2302 <br /> May 8, 2003 <br /> Chastain& Associates, LLP <br /> 5 N. Country Club Road <br /> Decatur, IL 62521 <br /> Attn: Mr. Don Sheffer, P.E. <br /> RE: Lake Decatur Basin#6 Sediment Storage Facility <br /> Change Order No. 4A—Dredge Mob. Site Earthwork <br /> Dear Sir, <br /> As requested, we have reviewed the changes associated with the Dredge Mobilization Site <br /> • access road vertical alignment, excess earthwork disposal, elimination of the lime <br /> stabilization and addition of filter fabric under the stone base. <br /> The revised quantities are shown on the attached spreadsheet. Please note that the original <br /> intent was to utilize the excess material generated at the Dredge Mob. Site in building the <br /> north dike at the Sediment storage facility. Therefore, we have added the cost of replacing <br /> 9,285 cys of this material at the North Dike unit price. <br /> The original plan quantity was for 10,900 cys of earthwork at the Dredge Mob. Site. We <br /> provided a 100°lo credit for this work. We then added back the revised quantity of 8,987 <br /> cys at the lower unit price with the long haul trucking eliminated. <br /> Therefore, we are offering a credit in the amount of$28,700.00 for this change. <br /> If you have any questions or comments in regards to this matter, please feel free to contact <br /> me at 812-868-6335. <br /> Sincerely, <br /> ��t�' � ` � <br /> � <br /> Rick I. Niehaus, P.E. <br /> Senior Project Manager <br /> • Cc: File <br /> Attachments: As Noted <br /> 490177 <br />