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Mr . Tom Frame Geosyntec ' 7 November 2009 consultants Page 3 received and reviewed three subcontractor bids , with base bid costs of $ 12 , 350 ( $ 8 , 850 Southern Foam Insulation, Inc . plus $ 3 , 500 PR& D PSSC bid) , $ 13 , 400 ( $ 9 , 900 Perna- Fill Corporation plus $ 3 , 500 PR& D PSSC bid ) and $ 17 , 800 ( total estimate from Environmental Resources Management, Inc . [ does not include vacuum truck time or liquids disposal , or any contingency costs ] ) . Based upon the estimates submitted , Geosyntec will subcontract the lowest bidder, Southern Foam Insulation , Inc . in coordination with PR& D , to perfonn the UST closure services and will perform oversight of the subcontractor during field activities . In addition to the base costs above , Geosyntec has budgeted $ 1 , 450 for costs associated with vacuum truck extraction of residual fluids within the USTs , rinse fluids/contact water from the cleaning of the USTs and disposal of up to 1 , 000 gallons of petroleum contact water from the vacuum truck . Due to the uncertainties associated with the UST closure projects , a 20 percent contingency has been added to Task element B . The contingency is in place to cover items such as costs for an increase in vacuum truck on site time , increases in petroleum - contact water disposal volumes , increases in project duration due to issues with the removal of the existing UST system pumps and dispenser system , etc . Geosyntec will notify IRC and secure approval of any field conditions that may require access to contingency fees . Geosyntec ' s proposal assumes two days of oversight for field activities associated with the UST closure activities . A breakdown of estimated project costs is included as Attachment B . Phase C — UST Closure Report Geosyntec will prepare a brief Tank Closure Report in accordance with Chapter 62 - 761 , FAC and FDEP Storage Tank System Closure Requirements . Since no soil and/or groundwater sampling will be performed , the report will only provide a brief overview of the work completed and include a copy of the PSSC signed closure form . A breakdown of estimated project costs is included as Attachment B . ASSUMPTIONS The following assumptions were made in developing this fee proposal : • Geosyntec will not be responsible for the repair of paved surfaces damaged during UST closure activities . X R09293 CC R09293 . DOC E', nginclers I Scientists inlv ) vatt ) rs