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Scope of Work Changes and Cost Adjustments <br />Beck's Lake NPL/LaSalle Park Area <br />Attn: Stephanie Steele August 1, 2019 <br />as the 2016 sampling event utilizing a 5-point composite method per sample but will be collected <br />specifically from the depth intervals of 0.0'-0.5' bgl and 0.5'-1.0' bgl in order to eliminate any surface <br />soil/near surface soil data gaps. Up to 168 composite soils samples (including 8 duplicates) will be <br />collected across the approximate 20-acre "fill area" for laboratory analysis of total lead. The samples <br />will be collected with individually wrapped single -use disposable scoops to eliminate the need for <br />sample equipment decontamination as well as the need for the collection and analysis of equipment <br />blanks. Proposed composite soil sample locations are depicted on Figure 1. <br />"Costs will be partially covered with existing funds (as of June 30, 2019) in the amount of <br />approximately $27, 000. The remainder will be made up with the additional funds requested <br />for Task 3 and Task 4. <br />The following is a summary of the overall cost adjustments: <br />Current Approved Costs.............................................................. $291,000 <br />New Total Estimated Costs........................................................... $316,000 <br />Net Contract Change (increase)....................................................... $25,000 <br />Please note that the costs presented herein are our best estimate of the time and materials involved <br />in the project which Jones Petrie Rafinski will not exceed without prior approval. Should the scope <br />of services require modification (i.e., additional/less borings, analyses, etc.) based upon field <br />conditions and/or circumstances that would not have otherwise been anticipated, JPR will notify the <br />client of such "changed conditions" and resultant cost implications to the project. <br />Assuming a portion of the project is ongoing, our services will be billed monthly. Payment will be <br />subject to the terms of the PSA. Should you have any questions or comments concerning our <br />services or charges during the course of the work, please bring them to our attention immediately for <br />quick resolution. <br />Sincerely, <br />R. J eph Tro n <br />Fnvt onmental Project Manager <br />J:\Proposals\City of South Bend\Beck's Lake Project Scope of Work Changes and Cost Adjustments 07-22-2019..doc <br />3 1 P a g e <br />