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PCA - Intersection of SR 60 and 43rd Avenue - 3 - <br /> Ardaman Proposal No. 12-3836 <br /> after additional data is gathered relative to groundwater levels and subsurface stratigraphy. The <br /> proposed shallow wells will be constructed of 2-inch diameter, 0.01-inch slotted schedule 40 PVC <br /> pipe. A summary of the proposed number and approximate location of the wells is provided in <br /> the following table. <br /> Site Address(Proximity to Intersection) Proposed Number and Location of Wells <br /> Mark's Mobil 4310 201h Street(Northwest Corner) Two along 43d Avenue and two along 20"Street <br /> Former Texaco/Lenny's Lounge 4315 201h Street(Southwest Comer) Two along 43rd Avenue and one along 20"'Street <br /> Former FINA#6644/Mobil 4395 201h Street(200 Feet West) Two along 20`h Street <br /> Former Union 76 4233 201h Street(Southeast Comer) Two along 43`d Avenue and one along 201h Street <br /> Cumberland Farms 1925 43rd Avenue(500 Feet South) Two along 43`d Avenue <br /> Indian River Farms WCD 4400 201h Street(Northwest Comer) One along 43`d Avenue and two along 20'"Street <br /> Quick Snack and Coin Laundry 4236 20"'Street(Northeast Corner) Two along 43d Avenue and one along 20"Street <br /> Mermaid Car Wash 1935 43rd Avenue(450 Feet South) One along 43rd Avenue <br /> Strip Shopping Center 4201 -4211 20`h Street(200 Feet East) One along 20'h Street <br /> (Vero Beach Dry Cleaners) <br /> We note that permanent groundwater monitoring wells are not being proposed at this time since <br /> the locations will likely be disrupted during construction activities. 'Additional permanent <br /> groundwater monitoring wells may be proposed to monitor groundwater contamination levels and <br /> migration during construction if deemed appropriate based on the results of the PCA. <br /> C. Groundwater Sample Collection and Analysis <br /> Groundwater samples obtained from the wells will be collected for laboratory analysis in <br /> accordance with FDEP sampling requirements. Groundwater samples collected from the wells <br /> will be submitted to a State certified laboratory for analysis by EPA Methods 8021 and 8270, and <br /> the FL-PRO method. <br /> II. Preliminary Contamination Assessment Report (PCAR) <br /> A report summarizing the above preliminary site assessment activities will be submitted upon <br /> completion of the above-described scope of work. Details, descriptions and rationales for the <br /> various site assessment activities will be presented, along with all data developed during the <br /> assessment activities. The report will include the results of our findings relative to any identified <br /> soil and/or groundwater contamination within the study area that may present limitations or <br /> require special monitoring of contaminated media during construction of the proposed <br /> intersection widening project. <br /> COST ESTIMATE <br /> This proposal contains general methodology and procedures for conducting a limited PCAR for the <br /> subject site. The quantity of items contained in this plan may vary depending on the findings <br /> during performance of the assessment (e.g.; number of samples and wells, depths of monitoring <br /> wells, etc.). Consulting fees will be charged on a time and materials basis using the unit prices <br /> listed in this proposal. We have prepared the attached cost estimate for completing the scope of <br /> work as outlined above. The cost for these services will not exceed $60,748.50 without prior <br /> approval from the client. <br /> low <br /> 34 <br />