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RESERVOIR NO. 2 BRACKISH WELLFIELD EXPANSION PROJECT - 10-0033-UT - ADMINISTRATIVE CHANGE ORDER #1 & FINALt✓ Administrative Change Order 1 & Final PROJECT: Reservoir 2 Brackish Wel!field Expansion CONTRACTOR: Southeast Drilling Services, Inc 10614 US Hwy 92 East Tampa, FL 33610 Date: PROJECT NUMBER: PO REFERENCE: AWARD DATE: CONTRACT DATE: CODE: June 12, 2014 10- 0033 -UT ST109063 December 6, 2012 December 31, 2012 SCOPE OF CHANGE: THIS CHANGE ORDER ACCEPTS REVISIONS TO THE CONTRACT Decreases, increases and adds items according to field conditions - see attached STATEMENT OF CONTRACT AMOUNT ORIGINAL CONTRACT AMOUNT $ 1,576,481.50 Administrative Chan 0 der 1 & Final - CM ($94,670.50) NEW CONTRACT O NT 4 $ 1.481,811.00 APPROVED A Camilo Soto, Assistant City Attorney ATTEST: Rosemarie Call, Date: CITY OF CLEARWATER, IN PINELLAS COUNTY, FLORIDA William B. Horne, II, City Manager 0315- 96767 - 563800 - 533- 00Q7O,y ACCEPTED BY: :A\;;.7::4.1t.:l Southeast Drilli S B : - - ') d if r} SEA1i1 William B / g1-r, PresldeeytS t�;; Date: "/-6//7 Witnesses: Recommended By:City of Clearwater Veitl obert Fahey, PE 0- t Project Manager Michael D. Quil City Engineer Page 2 of 3 Administrative Change Order 1 & Final: Reservoir 2 Brackish Wellfield Expansion ITEM DESCRIPTION UNIT QTY UNIT COST TOTAL COST Decreases: 2.1A Furnish and install 24 -inch diameter (minimum) LF 29 $80.00 ($2,320.00) steel casing from land surface to ±65 feet bls 2.1J Conduct step - drawdown test at rates of 200, HR 4 $400.00 ($1,600.00) 350, and 475 gpm 2.2A Furnish and install 24-inch diameter (minimum) LF 37 $80.00 ($2,960.00) steel casing from land surface to ±65 feet bls 2.2G Develop open borehole between 165 feet bls and HR 1.5 $700.00 ($1,050.00) 250 feet bls with double tube air lift 2.2J Conduct step - drawdown test at rates of 200, HR 4 $400.00 ($1,600.00) 350, and 475 gpm 2.3A Furnish and install 24 -inch diameter (minimum) LF 65 $80.00 ($5,200.00) steel casing from land surface to ±65 feet bls 2.3B Drill nominal 24 -inch diameter borehole to ±230 LF 230 $65.00 ($14,950.00) feet bls 2.3C Furnish and install 16 -inch OD (minimum) LF 233 $175.00 ($40,775.00) Certa -LokTM PVC from 3 feet als to 230 feet bls 2.3D Furnish and install centralizers on 16 -inch EA 12 $100.00 ($1,200.00) diameter casing 2.3E Furnish and emplace cement grout from 230 feet LF 230 $50.00 ($11,500.00) 2.3F Drill nominal 12 -inch diameter borehole to 400 LF 170 $50.00 ($8,500.00) feet bls using reverse air method 2.4A Furnish and install 24 -inch diameter (minimum) LF 37 $80.00 ($2,960.00) steel casing from land surface to ±65 feet bls 2.4D Furnish and install centralizers on 16 -inch EA 2 $100.00 ($200.00) diameter casing 2.4G Develop open borehole between 220 feet bls and HR 1.5 $700.00 ($1,050.00) 306 feet bls with double tube air lift 2.4J Conduct step - drawdown test at rates of 200, HR 1 $400.00 ($400.00) 350, and 475 gpm 2.5A Furnish and install 24 -inch diameter (minimum) LF 8 $80.00 ($640.00) steel casing from land surface to ±65 feet bls 2.6D Furnish and install centralizers on 16 -inch EA 1 $100.00 ($100.00) diameter casing 2.6G Develop open borehole between 207 feet bls and HR 1 $700.00 ($700.00) 319 feet bls with double tube air lift 2.7A Furnish and install 24 -inch diameter (minimum) LF 6 $80.00 ($480.00) steel casing from land surface to ±65 feet bls 2.8A Furnish and install 24 -inch diameter (minimum) LF 16 $80.00 ($1,280.00) steel casing from land surface to ±65 feet bls 2.8J Conduct step - drawdown test at rates of 200, HR 3 $400.00 ($1,200.00) 350, and 475 gpm 2.9A Furnish and install 24 -inch diameter (minimum) LF 14 $80.00 ($1,120.00) steel casing from land surface to ±65 feet bls 2.9J Conduct step - drawdown test at rates of 200, HR 2 $400.00 ($800.00) 350, and 475 gpm 4.IA Furnish and install 12 -inch diameter (minimum) LF 18 $80.00 ($1,440.00) steel casing from land surface to ±65 feet bls 4.1C Furnish and install 6 -inch OD (minimum) Certa- LF 3 $20.00 ($60.00) LokTM PVC from ±3 to 230 feet bls 4. I D Furnish and install centralizers on 6 -inch EA 2 $50.00 ($100.00) diameter casing 4.2A Furnish and install 12 -inch diameter (minimum) LF 18 $80.00 ($1,440.00) steel casing from land surface to ±65 feet bls 4.2C Furnish and install 6 -inch OD (minimum) Certa- LF 3 $20.00 ($60.00) LokTM PVC from ±3 to 230 feet bls 6C Abandon Existing Well 55 Production Well and LS 0.5 $8,500.00 ($4,250.00) remove well house and pad P,age3of3 Administrative Change Order 1 & Final: Reservoir 2 Brackish Wellfield Expansion ITEM DESCRIPTION UNIT QTY UNIT COST TOTAL COST 7.1B Furnish and install 2 -inch diameter, flush- LF 8 $20.00 ($160.00) coupled well screen and riser from ±3 ft als to 100 ft bls, 20 ft. of screen 10 Stand -by Time HR 25 $300.00 ($7,500.00) 11 Furnish Storage Tank Including All Labor, Per Site 2 $2,000.00 ($4,000.00) Materials, and Equipment to Allow Storage of Pumped Groundwater 12 Contingency LS 1 $143,316.50 ($143,316.50) Total (Decreases): ($264,911.50) Increases: 2.1G Develop open borehole between 225 feet bls and HR 0.5 $700.00 $350.00 298 feet bls with double tube air lift 2.5G Develop open borehole between 207 feet bls and HR 14.25 $700.00 $9,975.00 319 feet bls with double tube air lift 2.6A Furnish and install 24 -inch diameter (minimum) LF 48 $80.00 $3,840.00 steel casing from land surface to ±65 feet bls 2.7G Develop open borehole between 200 feet bls and HR 32 $700.00 $22,400.00 483 feet bls with double tube air lift 2.8G Develop open borehole between 224 feet bls and HR 2 $700.00 $1,400.00 346 feet his with double tube air lift 2.9G Develop open borehole between 242 feet bis and HR 4 $700.00 $2,800.00 363 feet bis with double tube air lift 3A Furnish and install 12 -inch OD (minimum) LF 3 $50.00 $150.00 Certa -LokTM PVC from land surface to 200 feet 3E Develop open borehole between 200 feet bls and HR 34.75 $400.00 $13,900.00 Total Increases: 554,815.00 Additions: 2.3M Develop open borehole between 224 feet bls and HR 7 $400.00 $2,800.00 346 feet bls with double tube air lift after 125% (8HRS) of Estimated Quantity 2.3N Acidization LS 1 $21.614.00 521.614.00 2.6M Unforseen conditions - Aliens Creek West LS 1 $50.509.00 $50.509.00 2.8M Develop open borehole between 224 feet HR 19.75 400.00 $7,900.00 bls and 346 feet bls with double tube air lift 2.9M Develop open borehole between 242 feet bls and HR 5 $400.00 $2,000.00 363 feet bls with double tube air lift after 125% (8HRS) of Estimated Quantity 7.IF Furnish and install 8 inch and 12 inch diameter LS 1 $17,345.00 $17,345.00 steel casing 7.1G Clear dual zone monitor well HR 60.25 $200.00 $12.050.00 13.00 Re Staking of Production Well Locations LS 1 $1.208.00 $1.208.00 Total Additions: $115,426.00 Total Net (Decreases)/Increases /Addition: ($94,670.50)