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HomeMy WebLinkAboutRH2 Engineering Amend No 1 Butterfield Intake No 9AMENDMENT NUMBER 1 TO PROFESSIONAL SERVICES AGREEMENT Butterfield Intake Pump No. 9 Condition Assessment WHEREAS, the City and RH2 Engineering, Inc. entered into a Professional Services Agreement on January 27, 2016 to provide engineering services with respect to the Butterfield Intake Pump No. 9 Condition Assessment project. NOW, THEREFORE, this agreement is amended to allow RH2 Engineering, Inc. to provide additional engineering services as described below: Scope of Work: See additional scope of work attached on Exhibit A. 2. Fee: The compensation for the additional work is based on an hourly basis not to exceed the amount of $2,989, as shown on Exhibit B, for a total contract amount of $5,663. 3. Time of performance: The services shall be complete for the project on or before December 31, 2016. DATED this W CITY OF PASCO: �i ck Terway, D&for day of November, 2016. ATTEST: �&L� 0 4 Debbie Clark, City C erk APPROVED AS TO FORM: Leland Kerr, City Attorney CONSULTANT NAME: c L� &IM Paul R. Cross, Executive VP Amendment No. 1 to Professional Services Agreement Page 1 RH2 Engineering, Inc. Butterfield Intake Pump No. 9 Condition Assessment l C,2a EXHIBIT A Scope of Work City of Pasco Butterfield Intake Pump No. 9 Condition Assessment Amendment No.1 October 2016 Background The City of Pasco's (City) existing raw water intake for the Butterfield Water Treatment Plant (WTP), located on the Columbia River near the Cable Bridge, is equipped with four vertical turbine pumps (identified as Pump Nos. 6 through 9) that pump raw surface water to the WTP for treatment. RH2 Engineering, Inc., (RH2) assessed the condition of Pump No. 9 in February 2016. During field data collection for Pump No. 9, RH2 also collected data for Pump Nos. 6, 7, and 8. The City contacted RH2 on September 27, 2016, and requested that RH2 analyze the data collected for Pump Nos. 6, 7, and 8 to assess the current condition of these pumps and motors. This Scope of Work includes the tasks necessary for RH2 to evaluate the condition of Pump Nos. 6, 7, and 8, and to document those results. Task 1— Pump and Motor Condition Assessment — Three Remaining Butterfield Pumps Objective: Assess the condition of the pumps and motors for Pump Nos. 6, 7, and 8 at the City's Butterfield Intake facility. Approach: 1.1 Import and review the data collected in February 2016 for Pump Nos. 6, 7, and 8 to conduct a frequency vibration analysis and wire -to -water efficiency, develop a pump curve, and calculate the total dynamic head required for each pump at its design pumping rate. 1.2 Input field data into spreadsheets. Develop pump and wire -to -water efficiency curves for Pump Nos. 6, 7, and 8. 1.3 Compare the field-tested pump and wire -to -water efficiency curve data with the published curve data provided by the manufacturer. 1.4 Based on the results of the frequency vibration analysis, evaluate the following: • Status of motor conditions, including rotors, static/dynamic eccentricities, connection faults, and load -related problems, etc; and • Motor/pump bearing problems. RH2 Deliverables: A letter report signed and stamped by licensed professional engineers presenting the results of the existing condition and pumping characteristics of the Butterfield Intake Facility pumps (Pump Nos. 6, 7, 8, and 9). One (1) PDF copy of the letter report. 1 10/6/201611:52:36 AM \\�h2\df5\Richland\Dare\PSC\716-015\A-Proj Man\A-1\Amend_N..A-1_S0IX'1'SC,3utte&dd Condtinn AssessmrnW.d EXHIBIT B City of Pasco Butterfield Intake Pump No. 9 Condition Assessment Amendment No. l Fee Estimate w; Taskl Pum and Motor Condition Assessment -Three Remaining Butterfield Pumps 18 $ 2,817 $ 172 $ 2,989 1.1 Import and review data 6 $ 950 $ 36 1 986 1.2 lPrepare spreadsheets and develop curves 2 $ 334 $ 8 $ 342 1.3 ICompare curves with published curves 2 $ 334 $ 8 $ 342 1.4 lEvaluate pump and motor condition based on vibration results 8 $ 1,199 $ 120 $ 1,319 PROJECT TOTAL is $ 2,817 $ 172 2,989 WWsVaM1wS e1rTSC716-o15W-Pmf MenW I%Merd No. A-t_FEE_FSC _Bulietlleld Condition A6sessMWXvz IWM01611:51 AM