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(Ak) <br />All WEBBS <br />February 25, 2022 <br />Jon Friedrichs <br />Principal Hydrogeologist <br />ILA Geosciences, Inc. <br />CELL: (561) 459-9355 <br />Dear Jon, <br />RE: IRC N7 Request for Change Order Discharge Requirements and Tortise Impact <br />Reason <br />The recently issued IRFWCD discharge permit #22-07 and the special conditions in that permit as <br />the reason for the additional costs and time. The Special Conditions for Permit No. 22-07 for <br />temporary discharge of formation water associated with deepening IRCDUS existing production <br />well N7 from the UFA to the APPZ/Lower Floridan Aquifer, into Sublateral G-7 (815' Street) Canal <br />Located in NW '/< of SE % of Section 32-31-39 include: <br />(1) Off-site discharge of formation water associated with proposed well deepening shall not <br />exceed 1,250 PPM total dissolved solids (TDS), and turbidity shall not exceed existing <br />background Nephelometric Turbidity Units (NTU) of receiving wasters within canal system. <br />(2) TDS and turbidity of said off-site discharge water shall be monitored several times daily. <br />If/when above limits of TDS and turbidity are exceeded, Permittee is to notify David E. Gunter, <br />Superintendent of Indian River Farms Water Control District, of remedial action taken to bring <br />operation within permit limits. <br />(3) Permittee shall advise the District (Phone: 772-562-2141) in advance of commencement <br />and upon completion of proposed well deepening operations. <br />The discharge requirements in the permit are extremely high, the system proposed below is an <br />attempt to meet the requirements. Additional work may be required depending on the water <br />quality encountered during deepening and David Gunter's remedial actions. <br />Pricing <br />Description <br />Quantity <br />Units <br />Unit Cost <br />Extended Cost <br />Silt Fence <br />1 <br />LS <br />$ 4,000.00 <br />$ 4,000.00 <br />Frac Tanks <br />4 <br />LS <br />$ 5,778.75 <br />$ 23,115.00 <br />Freight Tanks <br />4 <br />LS <br />$ 2,673.75 <br />$ 10,695.00 <br />Cleanout <br />Tanks <br />4 <br />LS <br />$ 2,673.75 <br />$ 10,695.00 <br />Settling Tank <br />1 <br />LS <br />$ 7,935.00 <br />$ 7,935.00 <br />Filter Sand <br />1 <br />LS <br />$ 5,520.00 <br />$ 5,520.00 <br />Pumps <br />1 <br />LS <br />$ 13,340.00 <br />$ 13,340.00 <br />Pipe Ramps <br />50 <br />LS <br />$ 144.90 <br />$ 7,245.00 <br />Box <br />1 <br />LS <br />$ 4,830.00 <br />$ 4,830.00 <br />Floc Logs <br />10 <br />LS <br />$ 506.00 <br />$ 5,060.00 <br />subtotal <br />$ 92,435.00 <br />