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2004-059
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2004-059
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Last modified
8/25/2016 12:26:31 PM
Creation date
9/30/2015 7:23:12 PM
Metadata
Fields
Template:
Official Documents
Official Document Type
Work Authorization
Approved Date
03/16/2004
Control Number
2004-059
Agenda Item Number
14.B.2
Entity Name
Camp Dresser & McKee Inc
SWDD
Subject
Work Authorization No.30 Annual Permitting Services 2004
Archived Roll/Disk#
3209
Supplemental fields
SmeadsoftID
3669
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SCHEDULE <br /> It is estimated that it will take approximately four months from the time that CDM receives <br /> notice to proceed to complete the work outlined in Tasks 2 . 1 ad 2. 2 . The survey will be field <br /> documented by June 15, 2004 and the subsequent survey and survey report will be completed <br /> by July 15, 2004 . The completed Financial Assurance Report will be completed by September 1 , <br /> 2004 . <br /> TASK 3 . 0 - PERMIT RENEWAL OF CLASS I LANDFILL WITH HORIZONTAL C &D <br /> EXPANSION <br /> CDM is providing consulting services to modify SWDD' s Class I landfill permit to allow for a <br /> slope geometry design change . A meeting was held with the Florida Department of Regulation <br /> (FDEP) regarding these changes . They recommended submitting a permit renewal in place of a <br /> permit modification. During the same meeting SWDD staff put forth the idea of placing <br /> Construction and Demolition (C&D) debris on the western and southern sideslopes of Segment <br /> I landfill . The placement of C&D waste takes advantage of increasing the existing sideslopes <br /> from 4 . 2H : 1V to 3H : 1V and also provides greater top area to Segment 1 . The top of Segment I <br /> may be the foundation of a future vertical expansion (not part of this proposal) of the current <br /> Class I landfill . This facilitates the expansion to the North and maximizes the capacity of the <br /> existing cell, increasing the life of the site . <br /> This proposal is to prepare a permit renewal of the Class I Operating permit, the Horizontal <br /> C&D expansion, and to add the horizontal expansion of Segment II . This project achieves three <br /> goals under one permit renewal application which eliminates duplication of effort if permitted <br /> separately . <br /> TASK 3 . 1 - SEGMENT I LANDFILL GEOTECHNICAL EVALUATION <br /> The permit renewal will require that the placement of C&D waste on Segment I will be stable <br /> and not adversely affect the current closure cap . The following is the proposed scope of work <br /> for the geotechnical evaluation for Segment I sideslopes . This proposal assumes that we can <br /> base the evaluation on existing geotechnical data and reports and that we will not need a field <br /> investigation. This work is expected to proceed with the following subtasks : <br /> ■ Review available information including design documents and previous geotechnical reports <br /> for Segment I . We will visit the site to observe site conditions . We have assumed that there is <br /> sufficient available geotechnical information and that no additional field or laboratory <br /> investigations are needed . <br /> ■ Estimate settlement of the final cover system based on the revised slope geometry <br /> ■ Perform global stability analyses of the landfill mass <br /> ■ Perform veneer stability analyses of the current cap system under the proposed C&D loads <br /> ■ Evaluate placement of drainage terraces on Segment I <br /> B-3 rb4520 .doc <br />
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