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2010-115
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Last modified
2/11/2016 11:08:49 AM
Creation date
10/1/2015 2:11:58 AM
Metadata
Fields
Template:
Official Documents
Official Document Type
Work Order
Approved Date
05/04/2010
Control Number
2010-115
Agenda Item Number
15.B.3
Entity Name
Camp Dresser and McKee (CDM)
SWDD
Subject
Work Order No.15 Phase 1 Surface Groundwater
Supplemental fields
SmeadsoftID
9663
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J <br /> SCOPE OF SERVICES <br /> TASK 1 . 0 - PREPARATION OF WORK PLANS MEETINGS AND INITIAL RESPONSE <br /> CDM will prepare work plans for evaluation monitoring pursuant to Chapter 62-701 .510 (7) , <br /> F . A . C . including, as requested by FDEP, plans to further evaluate the nature of contamination in <br /> the C-5 Canal . The monitoring plan will propose locations for surface water samples and wells <br /> that will be installed as requested by FDEP . The monitoring plan will also include lists of <br /> parameters for groundwater and surface water analyses . After approval from SWDD, the plan <br /> will be sent to FDEP for approval. Based on discussions with FDEP, the work described in Task <br /> 2 will be proposed in the work plans . Included in Task 1 are two meetings with SWDD, one <br /> meeting with FDEP in Orlando, and general assistance and support in initial response . <br /> Revisions to the monitoring plan requested by FDEP and responding to Requests for Additional <br /> Information (RAI) are not included in this Scope of Services . CDM reserves the right to request <br /> additional compensation should FDEP request revisions to the monitoring plan or issue an RAI . <br /> TASK 2 . 0 - MONITORING WELL INSTALLATION AND SAMPLING OVERSIGHT <br /> In accordance with FDEP-approved plans (see Task 1 ) , CDM will install up to six shallow <br /> monitoring wells to the north of Segment 1 . Three compliance wells will be installed south of <br /> the C-5 Canal 100 feet north of the edge of waste . Three wells will also be installed north of the <br /> C- 5 Canal to assess the extent of contamination north of the canal . Shallow monitoring wells <br /> will be up to 20 feet deep and screened from approximately 10 feet below land surface (bls) to <br /> 20 feet bls using 0 . 01 -inch machine-slotted screens with size 20/ 30 sand packs . Boreholes will be <br /> advanced using hollow stem augers . Actual depths will be selected in the field based on <br /> descriptions of drill cuttings and water level measurements made during drilling . Wells will be <br /> developed by pumping and surging until field parameters stabilize and withdrawn water is <br /> free of sand and silt. Drill cuttings and development fluids will be containerized and <br /> transported to a storage area designated by SWDD and disposed of by SWDD . Each well will <br /> be completed with a concrete pad and aluminum protective casing . Locations and measuring <br /> point elevations will be surveyed by a registered surveyor . <br /> CDM will collect groundwater samples from up to nine shallow monitoring wells (MW-1S, <br /> MW-2S, MW-3S, and the six new wells) and up to five surface water samples . Groundwater <br /> samples will be analyzed for iron, chlorides, total dissolved solids (TDS) , sodium, ammonia, <br /> nickel, arsenic, hardness . These analytes have been detected in wells MW-1S, MW-2S, and MW- <br /> 3S in recent years . Surface water samples will be analyzed for the same analytes and for <br /> algae / bacteria speciation. Samples will be collected in accordance with FDEP protocols and <br /> analyzed by certified laboratories . <br /> TASK 3 . 0 - DATA EVALUATION AND REPORTING <br /> CDM will review and evaluate the results of historical monitoring and the results of the <br /> investigations described above . A report will be prepared and will include the following : <br /> A-2 jl2767. docx <br />
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