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Home My WebLink About061013_ca03Department of Public Works O Consent Agenda Page 1 of 1 Jefferson County Board of Commissioners Agenda Request To: Board of Commissioners Philip Morley, County Administrator From: Frank Gifford, Public Works Director~J~ Agenda Date: 6/10/2013 Subject: Supplemental Agreement 1 -Port Hadlock Wastewater Facility Final Design Services, Reclamation Plant and Influent Pipeline Statement of Issue: Public Works is requesting Board consent for a Supplemental Agreement to the Part Hadlock Wastewater Facility Final Design Services Contract with Tetra Tech, Inc. The supplement provides additional work and budget to an existing ground water monitoring planning task, to go forward with the ground water monitoring program. Analysis/Strategic Goals/Pro's li Con's: Supplemental Agreement 1 adds a two-year ground water monitoring program and extends the contract completion date to December 31, 2015. This baseline sampling program is in preparation for a reclaimed water discharge permit. The Department of Ecology recommends spreading the one-year sampling protocol over atwo-year sampling period for increased accuracy. Fiscal Impact/Cost Benefit Analysis: The monitoring program adds budget of $76,736 to the original $1,726,954 contract amount, for a new maximum contract amount of $1,803,690. Costs for the monitoring program will be financed by the Public Works Trust Fund loan, subject to repayment over time, beginning in 2017 for 35 years at 0.5% interest. Recommendation: Sign 3 originals of the attached supplement and return 2 originals to Public Works for further processing. Department Contact: Joel Peterson, Project Manager, 385-9173 Review Bv: l "l J /,//~///L/y~~////// ~ l~.s M1.~-/C ,y ip Morl y, C u istrator Date ti.-- Organization and Address Supplemental Agreement Number 1 Tetra Tech, Inc. 1420 Fifth Avenue, Suite 600 Seattle, WA 98101 Agreement Number: Project Number: Execution Date: Completion Date: 40516931 June 11, 2012 December 31, 2015 Original Contract Amount: mount This Supplement: New Maximum Amount Payable: $1,726,954 $76,736 $1,803,690 Project Title: Port Hadlock Wastewater Facility Final Design Services, Reclamation Plant and Influent Pipeline Description of Work: This supplement adds work and budget for atwo-year baseline groundwater monitoring program, as a preliminary requirement to discharge reclaimed water. The Local Agency of Jefferson Count desires to supplement the agreement entered into with Tetra Tech, Inc. and executed on June 11, 2012 and identified with Project Title: Port Hadlock Wastewater Facility Final Design Services. Reclamation Plant and In went Pipeline. All provisions in the basic agreement remain in effect except as expressly modified by this supplement. The changes to the agreement are described as follows: Section II, SCOPE OF WORK, is hereby changed to read: The Scope of Work and projected level of effort required for this PROJECT is detailed in Exhibit "A" along with Supplemental Agreement 1 Exhibit "AA", attached hereto and by this reference made part of this AGREEMENT." II Section IV, TIME FOR BEGINNING AND COMPLETION, is amended to change the number of calendar days for completion of the work to read: "All work under this AGREEMENT shall be completed by December 31, 2015". III Section V, PAYMENT, shall be amended as follows: "The CONSULTANT shall be paid by the AGENCY for completed work and services rendered under this AGREEMENT as provided in Exhibit "D", along with Supplemental Agreement 1 Exhibit "DD", attached hereto and by reference made part of this AGREEMENT." Page 1 of 4 Revised 11/1/12 <, If you concur with this supplement and agree to the changes as stated above, please sign in the appropriate spaces below and return to this office for final action. Consultant COUNTY OF JEFFERSON BOARD OF COMMISSIONERS -~-~.~~- ~r~~: _ ~ mo'w' Consultant's [ature ~~~~~v~~ Date John Austin, Chair Phil Johnson, Member David W: Sullivan, Member proved as to orm only: 1 David Alvarez Date Deputy Prosecuting Attorney ~~~ ~ ~ /~ Frank Gifford a e Public Works Director Page 2 of 4 Revised 11/1/12 T w' . ~ H . Exhibit AA Supplemental Agreement 1 Port Hadlock Wastewater Facility Final Design Services, Reclamation Plant, Influent and Effluent Pipelines and Reuse Facility Scope of Services Task 500.03 Ground Water Monitoring: Sampling and Analysis Plan Prepare sampling and analysis plan, coordinate subcontractors, mark well locations, and locate underground utilities for four new ground water monitoring wells. Drill, install and develop four ground water monitoring wells, and conduct elevation survey. Prepare boring/well logs. Sampling Conduct eight rounds of quarterly ground water sampling over two years. Analyze samples for the following parameters: Nitrate as N, Nitrite as N, Ammonium, Organic nitrogen / TKN, Total coliform, Fecal coliform, Total Dissolved Solids, Calcium, Magnesium, Potassium, Sodium, Iron (total), Bicarbonate, Carbonate, Chloride, Fluoride, Sulfate; Metals -Total and dissolved for first 4 rounds, totals thereafter for Arsenic, Cadmium, Chromium, Lead, Mercury, Nickel, Copper, Manganese, Silver, Zinc; Total Trihalomethanes, and Field Parameters (water level, pH, conductivity, temperature, dissolved oxygen) Reporting Prepare ground water gradient maps; tabulate sampling results and perform statistical analysis; establish background and compliance values; prepare draft background monitoring report; submit final background monitoring report. Work Products: Sampling and Analysis Plan, Ground water gradient maps, Monitoring Wells, Well Logs, Draft Background Monitoring Report, Final Background Monitoring Report Page 3 of 4 Revised 11/1/12 GROUNDWATER MONITORING PROGRAM ESTIMATED HWA LABOR: Exhibit DD WORK TASK DESCRIPTION Principal Sr. Hydro. Sr. Geol. Geol. CAD Admin. TOTAL HOURS TOTAL AMOUNT $228.57 $130.61 $110.66 $76.15 $70.63 $66.71 Prepare sampling & analysis plan 1 4 5 $ 671.00 Prep, mark locations for new mon wells 6 6 $ 664.00 Drill & insta114 monitoring wells 2 22 24 $ 1,897.00 Well development, elevation survey 8 8 $ 609.00 Logs 1 3 4 $ 339.00 Ground water sampling, 8 rounds 2 8 112 122 $ 9,871.00 Tabulate results, 8 rounds 2 32 34 $ 3,998.00 Ground water gradient maps, 8 rounds 2 16 8 26 $ 2,793.00 Statistical analysis 2 14 16 $ 2,286.00 Draft background monitoring report 8 12 10 4 34 $ 4,785.00 Final background monitoring report 2 2 2 2 2 10 $ 1,214.00 Project Management 24 2 26 $ 5,619.00 TOTAL LABOR: 43 28 81 145 14 4 315 $ 34,746.00 LABORATORY TEST SUMMARY: Test Est. No. Tests Unit Cost Total Cost Nitrate as N 40 25 $ 1,000.00 Nitrite as N 40 15 $ 600.00 Ammonium 40 20 $ 800.00 Organic nitrogen / TKN 40 35 $ 1,400.00 Total coliform 40 25 $ 1,000.00 Fecal coliform 40 25 $ 1,000.00 Total Dissolved Solids 40 20 $ 800.00 Calcium 40 10 $ 400.00 Magnesium 40 10 $ 400.00 Potassium 40 10 $ 400.00 Sodium 40 10 $ 400.00 Iron (total) 40 10 $ 400.00 Bicarbonate 40 10 $ 400.00 Carbonate 40 10 $ 400.00 Chloride 40 20 $ 800.00 Fluoride 40 20 $ 800.00 Sulfate 40 20 $ 800.00 Arsenic 60 10 $ 600.00 Cadmium 60 10 $ 600.00 Chromium 60 10 $ 600.00 Lead 60 10 $ 600.00 Mercury 60 25 $ 1,500.00 Nickel 60 10 $ 600.00 Copper 60 10 $ 600.00 Manganese 60 10 $ 600.00 Silver 60 10 $ 600.00 Zinc 60 10 $ 600.00 Total Trihalomethanes 40 $90 $ 3,600.00 LABORATORY TOTAL: $ 22,300.00 TOTAL IIWA LABOR: $ 34,746.00 ESTIMATED DIRECT EXPENSES: Mileage @ $0.555 /mile $ 500.00 Sampling eq (pumps, tubing, filters, WQ meters, etc) $ 4,000.00 TOTAL DIRECT EXPENSES $ 4,500.00 SUBCONTRACTORS: Driller $ 10,300.00 Analytical laboratory $ 22,300.00 TOTAL SUBCONTRACTOR COSTS: $ 32,600.00 PROJECT TOTALS AND SUMMARY: Total Labor Cost $ 34,746.00 Direct Expenses $ 4,500.00 Subcontractor Costs+l5% admin fee $ 37,490.00 TOTAL: $ 76,736.00 Page 4 of 4 Revised 11/1/12