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• Stabilized soil samples will be cured for at least 7 days prior to any chemical testing. • Consultant will submit up to 8 stabilized samples (4 for the fill and 4 for the sludge) to a certified laboratory for Contaminant Reduction Confirmation Testing, specifically: o Total Lead using EPA Method 6010 o Soluble Lead using WET and TCLP methods • Prepare letter report describing the findings of the chemical investigation and bench-scale feasibility study. Task 3-Prepare Plans and Specifications Consultant will prepare plans and technical specifications for bidding based on the information from Tasks 1 and 2. Deliverables will include drawing-a+dtechnical specification and construction estimate packages at 50 percent, 90 percent, and 100 percent completion for City's review and comments. The technical specifications shall be in CSI format. -All work shown will conform with City's standard plans and details. Consultant will use City's standard title block and size sheet for all sheets of the plans. No work shown on the plans or included in the specs shall be'design build' unless it is specifically listed herein, or approved in writing by a representative of the City. Task 4- Meetings and Consultation Upon City's request, Consultant will provide limited geotechnical and/or hazardous waste consultation as requested. Fee for this task has included costs to consult and strategize with the City, including accompanying the City to two 2-hour meetings at the RWQCB.. Task 5-Topographic Survey Consultant will survey topographic data for sludge drying beds 5& 6 and the western portion of the pond. The survey data will be tied to the ground control established in 2008. The data for the beds will consist of breakline(s) around the "toe"of the pile(s) and significant terrain breaks on the surface of the material. For the pond, Consultant will survey a few points along the top of the adjoining roadway to verify the 2008 data, the top and toe of the slope, and a grid of points on the bottom. DELIVERABLES The following deliverables will be provided to City: • Draft and final geotechical report (Task 1). 3 hard copies and pdf will be provided. • Letter report on chemical investigation and bench-scale feasibility study (task 2). 3 hard copies and pdf will be provided. • 50 percent, 90 percent and final (bid) plans and specifications. Six hard copies (3 half size and 3 full size)of the 50% and 90% drawings will be provided. Three hard copies of the 50% and 90% specs will be provided. Pdfs and CAD files of the final drawings and pdfs and word files of the final specs will be provided. • Construction cost estimates to accompany each progress submittal. Consulting Services Agreement between City of San Leandro and Carollo Engineers, Inc.—Exhibit A Page 4 of 5