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2006-199
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Last modified
8/18/2016 4:43:46 PM
Creation date
9/30/2015 9:46:14 PM
Metadata
Fields
Template:
Official Documents
Official Document Type
Proposal
Approved Date
06/06/2006
Control Number
2006-199
Agenda Item Number
14.B.2.
Entity Name
GeoSyntec Consultants
Subject
Proposal letter for design of a Class I Landfill Cell
Area
south of Oslo Rd
Supplemental fields
SmeadsoftID
5673
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Ms. Polly Kratman GeoSyntec Consultants <br /> Indian River County <br /> 10 May 2006 <br /> Page 6 <br /> Subtask 2.3 — Hydrogeological and Geotechnical Site Investigations <br /> GeoSyntec will proceed immediately with the field investigation following the review <br /> and approval of the Work Plan by SWDD, and discussion of the Work Plan with FDEP. <br /> A preliminary review of the available project documents indicates that several borings <br /> have been completed at the IRCL facility. Additionally, lithologic information and <br /> monitoring well data are available from the network of groundwater monitoring wells <br /> installed at the site for the existing Class I landfill and C&D disposal facility. The <br /> locations of the groundwater monitoring wells are shown on Figure 2 and will be utilized <br /> to reduce the number of borings and piezometers/monitoring wells required to characterize <br /> the hydrogeologic properties of the expansion areas . It is also understood from SWDD <br /> that there are plans of installing a monitoring well cluster as part of the design and <br /> permitting of the C&D disposal facility. Data and information from this well cluster <br /> would be useful for the Class 1 landfill expansion. Based on the above information, the <br /> proposed field investigation program includes the following: <br /> • Providing a qualified hydrogeologist or geotechnical engineer on-site during the <br /> field investigations to locate the planned drilling locations and to supervise the <br /> work (log boreholes, collect samples, perform hydrogeologic tests, oversee <br /> grouting, etc.); <br /> • Drilling of five (5) shallow geotechnical soil borings within and along the <br /> perimeter of the proposed expansion footprint to define the subsurface soils at the <br /> site; <br /> • Installation of two (2) sets of piezometers/monitoring well clusters in the shallow <br /> soil borings to monitor the groundwater zone occurring within the Surficial Aquifer <br /> System (SAS); <br /> • Drilling of two (2) deep borings (one geotechnical SPT boring and one Rotosonic® <br /> boring) to delineate the depths and thicknesses of the lithology relative to the <br /> regional hydrogeology within the proposed landfill expansion area; <br /> • Installation of one ( 1 ) deep piezometer in the Rotosonic® boring to monitor the <br /> groundwater zone within the lower permeable zones at the site; <br /> XL06096UL60070.doc <br />
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