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EXHIBIT A WORK ORDER NO. 1- AMENDMENT 2 INDIAN RIVER COUNTY LANDFILL SEGMENT 3 CELL 2 EXPANSION, SEGMENT 2 PARTIAL CLOSURE, AND LANDFILL GAS COLLECTION SYSTEM EXPANSION PHASE III - ENGINEERING SERVICES DURING CONSTRUCTION This Amendment 2 to Work Order No. 1, when executed, shall be incorporated in and become part of the Agreement for Consulting Services between Indian River County Solid Waste Disposal District (SWDD) and CDM Smith Inc., (CONSULTANT), dated July 18, 2017 hereafter referred to as the AGREEMENT. BACKGROUND The SWDD, the OWNER, has requested that CONSULTANT prepare this Work Order to provide professional engineering services during construction for the proposed Class I Landfill Segment 3 Cell 2 expansion, Segment 2 Partial Closure, and expansion of the landfill gas (LFG) collection system. The proposed new cell is Cell 2 of Segment 3 (approximately 10.6 acres in size), as shown on Drawing No. 5 of the 20 -Year Permit Drawings dated September 2015. Segment 3 Cell 2 will be located immediately to the east of the existing Segment 3 Cell 1. The proposed Segment 2 Partial Closure (approximately 25 acres in size) includes closure of the Segment 1/Infill vertical expansion area and the final elevations of Segment 2, which has historically been referred to as the Segment 2C area. Expansion of the LFG collection system within Segment 2 is proposed to be constructed concurrently with the Segment 2 Partial Closure and landfill gas collection system so that the final components can be installed prior to the closure cap being constructed. This project consists of the above three main elements. Phase II of this project was completed and included design, permitting and bidding phase. CONSULTANT was retained for the design, permitting, and bidding of the Class I Landfill Segment 3 Cell 2 expansion, Segment 2 Partial Closure, and LFG collection system expansion located at the Indian River County Landfill. The design included the Segment 3 Cell 2 bottom liner system, leachate collection and conveyance systems, Segment 2 Partial Closure cap liner system and stormwater.management facilities, and the Segment 2 LFG collection system expansion. Construction also includes an access roadway, leachate pump station and force main design services as requested by SWDD to support future cell expansion. The Scope of Services for Phase III, Engineering Services During Construction, of this project is described below: SCOPE OF SERVICES CONSULTANT will provide engineering services during construction to act as the OWNER's representative during the construction of the project. Based on recent discussions with SWDD staff and our familiarity with the landfill site design of the project, the proposed Scope of Services includes the following tasks as a continuation of the previously approved tasks: TASK 2.0 - PROJECT QUALITY MANAGEMENT Activities performed under this task consist of those generally administrative functions required to maintain the project on schedule, within budget, and that the quality of the work products defined C7 Mith A-1 jj2203_Exhihit A.doa