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2017-147
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2017-147
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Last modified
10/6/2017 1:19:57 PM
Creation date
10/6/2017 1:19:56 PM
Metadata
Fields
Template:
Official Documents
Official Document Type
Amendment
Approved Date
10/03/2017
Control Number
2017-147
Agenda Item Number
15.B.3.
Entity Name
CDM Smith
Subject
Segment 3 Expansion
Segment 2 Partial Closure and Landfill Gas System Expansion
Area
Design Permitting and Bidding Svs
Alternate Name
Amendment No. 1 to Work Order No. 1
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TASK 1.0- MEETINGS, DATA COLLECTION,SURVEY,AND GEOTECHNICAL INVESTIGATION <br /> There are no changes to Subtasks 1.2 through 1.6 from the original work order. <br /> Subtask 1.7 Preliminary Leachate Pre-Treatment Evaluation- CONSULTANT will assist the <br /> SWDD in evaluating the landfill leachate water quality data and identifying <br /> parameters that can potentially impact operations of the West Regional Wastewater <br /> Treatment Plant(WWTP) from the additional flow from the proposed Segment 3 <br /> Cells 1-4 lift station.This evaluation will also include a comparison of the landfill <br /> leachate water quality to Indian River County's pretreatment local limits to identify <br /> parameters that may not meet the pretreatment limits.This task includes preparing <br /> a Technical Memorandum that summarizes the methods that were used to evaluate <br /> the potential impact to the operations West Regional WWTP.The methods will be <br /> developed by CONSULTANT and provided to SWDD for review and approval prior to <br /> proceeding with the analysis. Upon SWDD's final approval of the mutually agreed <br /> upon methodology,CONSULTANT will perform the analysis. <br /> Listed below are some of the factors that are anticipated to be used to perform the <br /> analysis: <br /> ■ Landfill leachate water quality data. <br /> ■ Sanitary wastewater quality(from available published sources). <br /> ■ West Regional WWTP treatment processes. <br /> ■ West Regional WWTP influent and effluent water quality data. <br /> ■ Wastewater flows rates at the West Regional WWTP. <br /> ■ Landfill leachate flows from the IRC Landfill. <br /> ■ Sanitary wastewater flow rates from the Indian River County Landfill. <br /> ■ Pretreatment local limits. <br /> A draft Technical Memorandum will summarize the methods,results of the <br /> evaluation,and recommendations The Technical Memorandum will also include a <br /> summary of potential impact to the operations at the West Regional WWTP,water <br /> quality parameters of concern,identification of parameters that do not meet Indian <br /> River County's pretreatment local limits,and identification of potential <br /> pretreatment methods. <br /> CONSULTANT will provide a draft Technical Memorandum for the SWDD's review <br /> and comments.Upon receipt of all SWDD comments,CONSULTANT will incorporate <br /> the comments and prepare the final Technical Memorandum. <br /> Subtask 1.8 Preliminary Fire Suppression System Investigation- SWDD has requested the <br /> CONSULTANT evaluate feasibility for installing a fire suppression system. <br /> CONSULTANT will evaluate potential water sources and potable water connection <br /> points. Potential fire suppression systems for the site will be evaluated based upon <br /> available water supply.CONSULTANT will provide a Technical Memorandum that <br /> summarizes the results and recommendations. <br /> Deliverables: <br /> • Preliminary Leachate Pre-Treatment Evaluation Technical Memorandum <br /> • Preliminary Fire Suppression System Investigation Technical Memorandum <br />
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