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Home My WebLink About2010-112 (2)WORK ORDER NUMBER 26 This Work Order Number 26 is entered into as of this 4th day of . n 2010 pursuant to that certain Continuing Contract Agreement for Professional Services entered into as of August 10, 2004 and amended July 24, 2007 (as so amended, the "Agreement"), by and between Indian River County Board of County Commissioners ("COUNTY") on the same terms as the existing Agreement, as extended, between the Indian River County Solid Waste Disposal District, a dependent special district of Indian River County, Florida, ("DISTRICT') and Geosyntec, Inc., a Florida corporation ("CONSULTANT'). The COUNTY has selected the Consultant to perform the professional services set forth on Attachment A, attached to this Work Order and made part hereof by this reference. The professional services will be performed by the Consultant for the fee schedule set forth in Attachment B, attached to this Work Order and made a part hereof by this reference. The Consultant will perform the professional services within the Schedule more particularly set forth in Attachment C, attached to this Work Order and made a part hereof by this reference all in accordance with the terms and provisions set forth in the Agreement. Pursuant to paragraph 1.4 of the Agreement, nothing contained in any Work Order shall conflict with the terms of the Agreement and the terms of the Agreement shall be deemed to be incorporated in each individual Work Order as if fully set forth herein. IN WITNESS WHEREOF, the parties hereto have executed this Work Order as of the date first written above. CONSULTANT GEOSYNTEC CONSULTANTS, INC. M INDIA RIVER COUNTY , — —�_, County Attorney XR 10051 IXR10051 IRC North RO NAM Reporting Proposal.Doc engri ]eery I scientists I innovators ;y: Geo syn to e � 6770 South Washington Avenue, Suite 3 Titusville, Florida 32780 PH 321.269.5880 C011SUlta n (S FAX 321.2695813 ,mw.geosy nleacoin ATTACHMENT A 24 March 2010 Mr. Terry Southard Operations Manager Indian River County Utilities 4350 4151 Street -Vero Beach, FL 32967 Subject: Natural Attenuation Monitoring Reporting Proposal North County R.O. Plant, Facility #9600729 Vero Beach, FL 32962 Dear Mr. Southard, Geosyntec Consultants (Geosyntec) is pleased to submit this fee proposal to Indian River County (IRC) for professional services required to provide reporting documentation to respond to Florida Department of Environmental Protection's (FDEP's) correspondence dated 21 December 2009. The FDEP correspondence was generated based upon a review of Geosyntec's 21 September 2009 report, Site Assessment Report, North RO Plant, Facility #9600729. Based upon a review of the Site Assessment Report (SAR), FDEP approved the Natural Attenuation (NAM) Plan proposed in the September 2009 SAR for the above reference Site with the following specific conditions: • The NAM Plan shall include wells MW01, MW02, MW03, MW05, MW06, PZ10, PZ19, PZ20, and PZ22. • Groundwater monitoring shall be completed on a quarterly basis with quarters being January through March, April through June, July through September and October through December. • If sodium concentrations increase above the current concentration of 213 milligrams per liter reported in the groundwater samples from well MW06 then the Department shall require additional assessment activities near well MW06 as needed to define the extent of horizontal contamination. XR10051/XR10051 IRC North RO NAM Reporting Proposal.Doc engineers I scientists I innovators Mr. Terry Southard 24 March 2010 Page 2 The Manager of the Indian River County Department that resides on the property to the west and north of the Indian River County North RO facility must be notified in writing that the sodium plume has been partially defined and may extend onto the property west of the site and that groundwater monitoring with specific conditions has been approved instead of further assessment at this time. In addition, the Indian River County Board must be notified in writing that the sodium plume may extend onto an adjacent Indian River County property and that monitoring with specific conditions rather than further assessment has been granted at this time. A copy of this letter shall be provided to both parties. Please provide copies of your letters to the Department. If either party requests that the plume be defined further, then the Department will require the extent of the sodium plume to be defined completely. • The parameters of analysis shall be total dissolved solids, chloride, sodium and sulfate for groundwater samples. The field measurements during purging shall be temperature, pH, specific conductance, turbidity and dissolved oxygen. Purging and sampling methods in the Department's Standard Operating Procedures shall be followed. Reports for each groundwater monitoring event shall include a cumulative summary table of all groundwater monitoring results including from assessment phases. The parameters reported in the table shall be pH, turbidity, total dissolved solids, chloride, sulfate and sodium. Reports shall contain a map depicting the direction of groundwater flow and maps depicting plumes. Reports shall contain copies of f eld sampling logs and laboratory reports. • The number of wells and monitoring frequency of the groundwater monitoring plan may be reduced in the future after a sufficient number of results are reported and a request is submitted. The proposed scope of work summarized below is intended to only provide reporting documentation regarding the implementation of the NAM Plan for quarterly monitoring (four monitoring events total) for a duration of one year at the Site and respond to FDEP comments in a cost effective manner. Please note that IRC has indicated that they will subcontract the sampling activities and provide Geosyntec with documentation from the sampling efforts that will be compliant with all applicable FDEP guidance and standard operating procedures (SOPs). PROPOSED SCOPE OF WORK Task 1 through Task 4 — NAM Report Preparation (4 Quarterly Submittals) For each event, upon receipt from IRC of the final data package of the field activities and the laboratory results of the groundwater sampling effort, Geosyntec will evaluate the data and incorporate these findings into a quarterly report for submission to FDEP within approximately 60 days from the date of sample collection, as proposed in the NAM Plan. As a contingency required in the 21 December 2009 FDEP letter, if sodium concentrations increase above the XRI0051/XR10051 IRC North RO NAM Reporting Proposal.Doc engineers I scientists I innovators Mr. Terry Southard 24 March 2010 Page 3 current concentration of 213 milligrams per liter (mg/L) in the groundwater samples from MW06 then additional assessment and/or reporting may be required to evaluate the extent of horizontal contamination in groundwater near MW06. If we find during completion of this task that additional sampling and/or reporting work is necessary, we will discuss our recommendations with you and seek approval prior to proceeding. For each of the proposed quarterly NAM monitoring events, Geosyntec's findings obtained through the evaluation of the sampling documentation provided by IRC will be presented in a report for submission to FDEP. Please note that Geosyntec has included budget in this task for the review and evaluation of data package by IRC's subcontractor of the field activities and the laboratory results of the groundwater sampling effort. This report will provide details of the work performed by IRC's sampling subcontractor including sample locations, sampling methodology, analytical results and groundwater elevations. A draft report will be provided to you for review and comment before the final version is submitted to FDEP. Geosyntec will submit one hard copy and one electronic copy of each final quarterly groundwater NAM report to the FDEP and one hard copy and a PDF on CD will be provided to you. ASSUMPTIONS In addition to the above, the following assumptions were made in developing this scope and cost estimate: • As IRC requested be done, IRC will address all related issues regarding the following text contained in FDEP's letter dated 21 December 2009 and provide Geosyntec the related documentation: The Manager of the Indian River County Department that resides on the property to the west and north of the Indian River County North RO facility must be notified in writing that the sodium plume has been partially defined and may extend onto the property west of the site and that groundwater monitoring with specific conditions has been approved instead of further assessment at this time. In addition, the Indian River County Board must be notified in writing that the sodium plume may extend onto an adjacent Indian River County property and that monitoring with specific conditions rather than further assessment has been granted at this time. A copy of this letter shall be provided to both parties. Please provide copies of your letters to the Department. If either party requests that the plume be defined further, then the Department will require the extent of the sodium plume to be defined completely. • IRC will notify FDEP of the date of each of the proposed four (4) quarterly sampling events at least 3 days in advance of sampling. XR10051/XR1005I IRC North RO NAM Reporting Proposal.Doc engineers I scientists I innovators Mr. Terry Southard 24 March 2010 Page 4 • In advance of purging/sampling of any wells during a sampling event, IRC will have their subcontractor conduct the required depth to groundwater measurements from the monitoring wells required by the FDEP-approved NAM plan. Water -level measurements will be used by Geosyntec in conjunction with the existing surveyed well elevations for continued evaluation of groundwater flow directions. • issues identified by Geosyntec associated with the data package provided by IRC of the field activities and the laboratory results of the groundwater sampling effort will be addressed by IRC at no cost or effort to Geosyntec. • Budget has not been included for any additional delineation sampling or monitoring well installations in the vicinity of monitoring well MW06. ESTIMATED BUDGET A summary of estimated project costs is included in Attachment B. XR10051/XRI0051 IRC North RO NAM Reporting Proposal.Doc engineers I scientists I innovators Mr. Terry Southard 24 March 2010 Page 5 CLOSURE Geosyntec appreciates the opportunity to submit this proposal to provide environmental consulting services to the IRC Utilities Department. Upon execution of the Work Order, Geosyntec will immediately begin document preparation to respond to Florida Department of Environmental Protection's (FDEP's) correspondence dated 21 December 2009. After the Work Order execution, we anticipate the Natural Attenuation Monitoring Report summarizing the field activities will be completed within approximately two to three weeks of receipt from IRC final data package from IRC of the field activities and the laboratory results of the groundwater sampling effort. Please do not hesitate to contact Dean (561-995-0900) or Jim (321-269-5880) if you have any questions regarding the proposed scope of work. Sincerely, Dean P. Pinson, P.E. Project Engineer Y*IV- James J. Langenbach, P.E. Associate Attachments XR10051/XR10051 IRC North RO NAM Reporting Proposal.Doc engineers I scientists I innovators a § ATTACHMENT C SCHEDULE Natural Attenuation Monitoring Reporting Proposal North County R.O. Plant, Facility #9600729 Vero Beach, FL Upon execution--W-the Work Order, Geosyntec will prepare four (4) - quarterly Natural Attenuation Monitoring (NAM) Reports summarizing documentation provided by IRC of NAM field activities and the laboratory results of the groundwater sampling efforts. Based on the planned sampling schedule conveyed by IRC, Geosyntec expects to submit the Is1 Quarterly NAM Report in April 2010, 2nd Quarterly NAM Report in June 2010, 3`d Quarterly NAM Report in September 2010, and 41h Quarterly NAM Report in December 2010. XR10051/XRI0051 IRC North RO NAM Reporting Proposal.Doc engineers I scientists I innovators