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G. K. ENVIRONMENTAL, INC. <br />Environmental Consulting <br />GEORGE R. KULCZYCKI, CFC. CFS <br />155 McKee Lane <br />Vero Beach. FL 32960 <br />Office 772-567-9129 <br />Cell 772-913-0294 <br />Fax 772-567-6245 <br />gke(c�me.com <br />ATTACHMENT A TO CHANGE ORDER NO. 1 to <br />WORK ORDER NO. L-1 <br />January 11, 2011 <br />Mr. Keith McCully <br />Stormwater Engineer <br />Indian River County <br />1801 27th Street (Building A) <br />Vero Beach, Florida 32960 <br />RE: INVOICE — EGRET MARSH STORMWATER PARK <br />Work Order No. L-1 <br />Soil Amendment Change Order <br />Invoice # 020 <br />Dear Keith, <br />Per our discussion, due to the very poor soils for the above referenced site and <br />poor growth responses to previously installed trees by others, we chose to modify the <br />species of trees and tree counts based upon the existing high soil Ph and rock rubble soil <br />conditions left over from the historic pit operations. <br />This modification allowed us to dig much larger holes for the trees than were <br />previously dug by others, and add a mixture of top soil and a Polyacylamide polymer, in <br />order to maintain soil moisture and provide additional good soil for tree growth. This soil <br />amendment will provide a much better chance for tree survival and growth in these poor <br />soil conditions. <br />The cost breakdown to incorporate these soil amendments into the project are <br />outlined below: <br />a) Obtain 3 soils samples onsite and mail to the University of Florida for analysis. <br />Receive soils report from OF and review with OF staff.. I I ......... $ 275.00 <br />