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HomeMy WebLinkAboutContract 37548-A3 (2)AMENDMENT NUMBER 3 STATE OF TEXAS 8 CITY SECRETARY CONTRACT NO. ��`PS COUNTY OF TARRANT 8 WHEREAS, the City of Fort Worth (CITY) and Freese &Nichols, Inc., (ENGINEER) made and entered into City Secretary Contract No. 37548, (the CONTRACT) which was authorized by the City Council by M&C & 22997 on the 26th day of August, 2008; WHEREAS, the Contract involves engineering services for the following project: Update the Wastewater System Master Plan Citywide WHEREAS, it has become necessary to execute Amendment No. 3 to said Contract to include an increased scope of work and revised maximum fee; NOW THEREFORE, CITY and ENGINEER, acting herein by and through their duly authorized representatives, enter into the following agreement, which amends the Contract: 1. Article I of the Contract is amended to include the additional engineering services specified in the attached Exhibits Al, and B, copies of which are attached hereto and incorporated herein. The cost to City for the additional design services to be performed by Engineer total $307,302.00. 2. Article II of the Contract is amended to provide for an increase in the maximum fee to be paid to Engineer for all work and services performed under the Contract, as amended, so that the total fee paid by the City for all work and services shall not exceed the sum of $4,156,850.00. All other provisions of the Contract, which are not expressly amended herein, shall remain in full force and effect. Page -1- OFFICIAL RECORD CITY SECRETARY EXECUTED on this the L� day of TLA4 2011 in Fort Worth, Tarrant County, Texas. ATTEST: Marty Hendrix City Secretary APPROVAL RECOMMENDED: G� S. Frank Crumb, Director Water Department FREESE and NICHOLS, lNC. ENGINEER Thomas Halter, P.E., Principal APPROVED AS TO FORM AND LEGALITY: Christa Reynolds Assistant City Attorney OFF1CIAi. RECORD CITY SECRETARY FT, WORTH, TX Page -2- APPROVED: Fernando Costa Assistant City Manager .tract t��."hori.xa�tfox Dates EXHIBIT A=1 SUPPLEMENTAL SCOPE OF SERVICES (SUPPLEMENT TO ATTACHMENT "A") The following is a clarification of the tasks that ENGINEER will perform under Amendment 3 to the existing contract for the Update of the Wastewater System Master Plan Citywide. Work under this amendment includes engineering services for the following: The amendment No. 3 scope of services includes three task items. Task item A is to provide assistance with responding to TCEQ letter justifying the accuracy of Fort Worth's current flow metering strategy at the Village Creek WWTP. This task also includes placing four (4) flow meters on the Village Creek incoming lines and one (1) rain gauge surrounding the Village Creek WWTP and placing one effluent flow meter just upstream of the outfall. Task item B is the wastewater capacity analysis for an additional fourteen (14) redevelopment areas from the ten areas to twenty-four areas. Task item C is the hydraulic analysis of the Trinity River Vision (TRV) Capital Improvement Plan (CIP) to evaluate alternatives and recommended sizing of the proposed TRV wastewater relocations and impact to the Wastewater System Master Plan CIP. A. TASK ITEM A —VILLAGE CREEK EFFLUENT METERING ANALYSIS Al. Assistance with TCEQ Response Letter for Proposed Notice of Violation for Effluent Metering Reconciliation a. Engineer attended meeting with Fort Worth Water Department (FWWD) to review TCEQ proposed notice of violation at the Village r'reP.k WWTP, b. Engineer shall consolidate data from year 2010 for three existing metering sources: • Effluent Meters UA and UB • Influent Meters or Primary Incoming Interceptors (ADS-01, ADS-02, ADS-03 and ADS-04) • Internal plant meters used for recent discharge monitoring reports (DMRs) c. Engineer will develop a recommended metering plan to ensure reliable and accurate results while meters UA and UB are in the process of being troubleshooted. d. Engineer will develop and seal a technical memorandum discussing flow metering, flow comparisons and flow reporting plan to reconcile TCEQ metering concerns at the Village Creek WWTP. Engineer will forward the letter to FWWD to be submitted as formal response to TCEQ. A2. Install one (1) AccuSonic flow meter on the 120-inch effluent discharge line for sixty (60) days at the Village Creek WWTP primary discharge point a. Engineer shall attend a coordination meeting with City Field Operations staff to coordinate the Engineer's placement of the proposed temporary flow meter at the Village Creek WWTP effluent line. EXHIBIT A-1 b. Engineer shall prepare the temporary flow metering equipment for field installation through conducting a series of operation tests to verify performance. Engineer shall inspect the temporary flow meter locations to determine their suitability for installation of the necessary equipment. c. Engineer shall maintain the temporary flow meter over the sixty (60) day monitoring period. Maintenance shall be carried out on a weekly basis and includes calibration of the recording equipment, downloading of recorded data, onsite analysis of the data to ensure that the meter is working correctly, cleaning of the sensor, and replacement of any defective equipment. d. Engineer shall review and analyze flow monitoring data using scattergraphs, field calibrations and balancing routines to validate the data. A3. Install four (4) influent temporary flow meters and one (1) rain gauge for 60 days on the in -coming interceptors metering the Village Creek WWTP a. This task will involve the installation, of four (4) temporary velocity/depth recorders to monitor the wastewater flow incoming to the Village Creek WWTP and one (1) rain gauge. b. Engineer shall prepare the temporary flow metering equipment for field installation through conducting a series of operation tests to verify performance. Engineer shall inspect the temporary flow meter locations to determine their suitability for installation of the necessary equipment. c. Engineer shall maintain the temporary flow meters over the sixty (60) day monitoring period. Maintenance shall be carried out on a weekly basis and includes calibration of the recording equipment, downloading of recorded data, onsite analysis of the data to ensure that the meter is working correctly, cleaning of the sensor, and replacement of any defective equipment. d. Engineer shall remove the temporary flow meters at the completion of the sixty (60) day monitoring period if adequate weather conditions have been observed. e. Engineer shall review and analyze flow monitoring data using scatter graphs, field calibrations and balancing routines to validate the data. B. TASK ITEM B —REDEVELOPMENT AREAS CAPACITY ANALYSIS B 1. Engineer will calculate average day and peak dry weather flows using updated design criteria for each of the additional fourteen Redevelopment Areas based on the future redevelopment land uses. B2. Engineer will calculate peak wet weather infiltration/inflows using updated planning criteria from the Wastewater Master Plan for each of the additional fourteen Redevelopment Areas. B3. Engineer will analyze wastewater system collector lines only for each selected Redevelopment Area, to identify and recommend sewer system improvement needs for future redevelopment plan. B4. Engineer will prepare Redevelopment Area Capacity Improvement with assumptions, projected densities, and dry and wet weather flows, with spreadsheet calculations and analysis results. Recommended system improvements to address proposed redevelopment areas will be prepared on 11" x 17" drawings for each redevelopment area. EXHIBIT A-2 C. TASK ITEM C — TRINITY RIVER VISION HYDRAULIC ANALYSIS FOR OPTIMAL PIPE SIZING Cl. Engineer will meet with the City and TRV consultant and review idented relocation projects for the TRV Phase 1 Central City in relation to the Wastewater Master Plan. C2. Engineer will convert proposed TRV sewer alignments to format needed for sewer model, populate attribute data and input to the InfoWorks CS hydraulic model for capacity analysis. C3. Engineer will utilize the hydraulic model to perform updated dynamic model simulations for existing and 2030 conditions for all proposed relocation sewer lines to assess levels of surcharging and overflows. C4. Engineer will utilize the hydraulic model to evaluate the following alternatives: a) Conduct long term sizing assessment of relocation lines to evaluate if sewer lines should be upsized for future 2060 conditions based on limited future corridors. b) Conduct wastewater analysis to determine lowest combined capital and relocation costs to convey West Fork flows from M-545 (66-inch interceptor) and M-248 (54-inch interceptor) through and around the TRV Central City Area. c) Conduct an evaluation to determine if required relocation lines can be leveraged to eliminate future capacity CIP projects identified within the Master Plan. („'S, Fng�neer Shall r�rer��re Opl?llon rJf PrnlJaljla ('rJnctni�tirJn C'nct ((�PC'('1 t�}jle.c and rpapping fcJr identified improvements. C6. Engineer will conduct a workshop with City and TRV consultant to present findings, modifications and capacity recommendations to optimize sizing of sewer relocations. City will provide comments on sizing of sewer relocations and project costs. C7. Engineer will prepare technical memorandum to include analysis, results and to incorporate comments and recommendations from workshop into Wastewater Master Plan. Engineer will submit three (3) copies and digital files in PDF format. EXHIBIT A-3 1V1&C Review Page 1 of 2 CITY COUNCIL AGENDA Official site of the City of Fort Worth, Texas FURT V�'a>rrH _�'� COUNCIL ACTION: Approved on 7/12/2011 -Ordinance No. 19755-07-2011 REFERENCE ** 60WASTEWATER MASTER DATE: 7/12/2011 NO.: C-25002 LOG NAME: PLAN AMEND3 CODE: C TYPE: CONSENT PUBLIC NO HEARING: SUBJECT: Authorize Execution of Amendment No. 3 in the Amount of $307,302.00 for a Total Contract Amount of $4,156,850.00, to City Secretary Contract No. 37548, with Freese and Nichols, Inc., to Update the Wastewater System Master Plan Citywide and Adopt Appropriation Ordinance (ALL COUNCIL DISTRICTS) RECOMMENDATION: It is recommended that the City Council: 1. Authorize the City Manager to transfer $307,302.00 from the Water and Sewer Operating Fund to the Sewer Capital Projects Fund; 2. Adopt the attached appropriation ordinance increasing estimated receipts and appropriations in the Sewer Capital Projects Fund in the amount of $307,302.00 from available funds; and 3. Authorize the City Manager to execute Amendment No. 3 in the amount of $307,302.00 to the City Secretary Contract No. 37548, an Agreement with Freese &Nichols, Inc., to update the Wastewater System Master Plan Citywide, increasing the total fee from $3,849,548.00 to $4,156,850.00. DISCUSSION: On August 26, 2008, (M&C C-22997) the City Council authorized the execution of an engineering agreement with Freese &Nichols, Inc., to update Wastewater Master Plan for a total fee not to exceed $2,987,193.00. The Wastewater Master Plan addresses system deficiencies as well as future growth areas. On February 9, 2010, (M&C C-24085) the City Council approved Amendment No. 1 in the amount of $346,427.00. The scope of services included linking core GIS unique Asset IDs to wastewater pipe condition data and additional flow monitoring. On July 20, 2010, (M&C C-24353) the City Council approved Amendment No. 2 in the amount of $515,928.00. The scope of services included modeling of the Village Creek Wastewater Treatment Plant (VCWWTP), evaluating short term needs for the proposed Mary's Creek Wastewater Treatment Plant, and development of a Major Amendment to the VCWWTP Texas Pollutant Discharge Elimination System discharge permit to support future flows increases in the plant up to an average daily flow of 191 Million Gallons a day. The scope of services for this Amendment No. 3 includes three task items: Task item A is to respond to Texas Commission on Environmental Quality's (TCEQ) request to justify the accuracy of Fort Worth's current flow metering strategy at the VCWWTP that was submitted to TCEQ under Amendment No. 2. This task includes placing four flow meters on the Village Creek incoming lines and one rain gauge surrounding the VCWWTP and placing one effluent flow meter just upstream of the outfall. Task item B is the wastewater capacity analysis for an additional 14 redevelopment areas expanding http://apps.cfwnet.org/council�acket/mc_review.asp?ID=15300&councildate=7/12/2011 7/14/2011 1VI&C Review the study from the original 10 areas to 24 areas. Page 2 of 2 Task item C is the hydraulic analysis of the Trinity River Vision (TRV) Capital Improvement Plan (CIP) to evaluate alternatives and recommended sizing of the proposed TRV wastewater relocations and impact to the Wastewater System Master Plan CIP. Freese and Nichols, Inc., is in compliance with the City's M/WBE Ordinance by committing to an additional 34 percent M/WBE participation on this Amendment No. 3. This project is CITYWIDE. FISCAL INFORMATION/CERTIFICATION: The Financial Management Services Director certifies that funds are available in the current capital budget, as appropriated, of the Water and Sewer Operating Fund and in the capital budget, as appropriated, in the Sewer Capital Projects Fund. TO Fund/Account/Centers 1&� P258 476045 701300115530 2)P258 531200 701300115530 $307,302.00 $307,302.00 Submitted for City Manager's Office b� Originating Department Head: Additional Information Contact: FROM Fund/Account/Centers 1) PE45 538040 0709020 3)P258 531200 701300115530 Fernando Costa (6122) S. Frank Crumb (8207) Nowzar Dinyarian (8256) ATTACHMENTS 60WASTEWATER MASTER PLAN AMEND3 A011.doc $307,302.00 $307,302.00 http://apps.cfwnet.org/council�acket/mc review.asp?ID=15300&councildate=7/12/2011 7/14/2011 Schedule of Costs Fort Worth Wastewater System Master Plan Addendum #3 Task A VILLAGE CREEK EFFLUENT METERING ANALYSIS Principal/Proj. Asst. Proj. Project GIS Werd Total Estimated Manager Manager Engineer Processor Hours Total Fee A 1 Assistance with TCEQ Response Letter for Proposed Notice of Violation for Effluent Metering Reconciliation a Engineer attended meeting with Fort Worth Water Department (FWWD)to 2 4 4 2 12 $1,949 review TCEQ proposed notice of violation az the Village Creek W WTP. b Engineer shall consolidate data from year 2010 for three existing metering q 12 16 $2,432 sources Engineer will develop a rewmmended metering plan to ensure reliable and c accurate results while meters UA and UB are in the process of being 2 6 10 18 $3,020 ttoubleshooted. Engineer will develop and seal a technical memorandum discussing flow d metering, flow comparisons and flow reporting plan to reconcile TCEQ 2 $ 14 2 26 $4,094 metering wncems az the Village Creek W WTP. Engineer will forward the letter to FW WD to be submitted as fomtal response to TCEQ. A2 Install one (1) AccuSonic flow meter on the 120-inch effiuem discharge line for 60 days at the Village Creek W WTP primary discharge point Engineer shall attend a coordination meeting with City Field Operations staff m a ccordinate the Engineer's placemant of the proposed temporary flow meter at 2 6 I8 26 $4,167 the Village Creek W WTP effiuent line. Engineer shall prepare the temporary flow metering equipment for field b installation through conducting a series of operation tests to verify perfornance. 8 8 $1,147 Engineer shall inspect the temporary flow meter locations m determine their suitability for installation of the necessary equipment. Engineer shall maintain the temporary flow meter over the sixty (60) day monitoring period. Maintenance shall be rained out on a weekly basis and c includes calibration of the rewrdmg equpment, downloading of recorded data, 2 8 10. $1,503 onsite analysis of the data to ensure that the meter is working correctly, cleaning of the sensor, and replacement of any defective equipment. Engineer shall review and analyze flow monitoring data. Data analysis includes d data editing, quality review, and hydraulic analysis using scattergraphs, field 2 8 24 4 38 $5,79$ cakbrations and balancing routines to validate the data A3 1°stall f°ur (4) influent temporary flow meters and one (I) rain gauge for 60 days onthe in -coming interceptors metering the Village Creek W WTP This task will involve the installation, of four (4) temporary velocity/depth a recorders to monitor the wastewater flow incoming to the Village Creek 2 4 8 2 16 $2,522 W WTP and one (1) rain gauge. Engineer shal] prepare the temporary flow metering equipment for field b installation through conducting a series of operation tests to verify performance. 10 10 $1,434 Engineer shall inspect the temporary flow meter locations to determine their suitabihty for installation of the necessary equipment. Engineer shall maintain the temporary flow meters over the sixty (60) day monitoring period. Maintenance shall be tamed out on a weekly basis and c includes calibration of the recording equipment, downloading of recorded data, 4 4 $574 onsite analysis of the data to ensure that the meter is working correcly, cleaning of the sensor, and replacement of any defective equipment. d Engineer shall remove the temporary flow meters at the completion of the sixty 4 4 $574 (60) day monitoring period if adequate weather conditions have been observed. Engineer shall review and analyze flow monitoring data Data analysis includes e data editing, quality review, and hydraulic analysis using scattergraphs, field 2 12 24 4 42 $6,509 cakbrations and balancing routines to validate the data Labor Cost Subtotal 14 54 148 8 6 230 $35,724 Subconsultaut E enses Task 1.2 (Collier Consulting-MWBE/ADS Flow Meter Equipment/Divers/Safety) $]05,744 Task 1.3 (ADS) $38,200 Subconsultant Mark-u $7,197 Ea enses General E enses $4,000 Ez enses Subtotal $155,141 VII.LAGE CREEK EFFLUENT METERING ANALYSIS $190,565 Page i C:1UsersMhk\AppDataLLocaflMicrosoR\WindowslTemporary Internet Files\Content.0utloakli2UW6RF\W WMP-Amendment3.�dsx Schedule of Costs Fort Worth Wastewater System Master Plan Addendum #3 Task B REDEVELOPMENT AREAS CAPACITY ANALYSIS PrincipaUProj. Manager Asst.Proj. Manager Project Engineer GIS Word processor Total Hours Estimated Total Fee Engineer will calculate average day and peak dry weather flows using updated B.1 design criteria for each of the additional fourteen Redevelopment Areas based 4 16 60 16 96 $14,146 on the futlne redevelopment land uses. Engineer will calculate peak wet weather infiltrationludlows using updated B.2 planning criteria from the Wastewater Master Plan for each of the additional 4 16 60 16 96 $14,146 fourteen Redevelopment Areas. Engineer will analyze wastewater system collector lines only for each selected B.3 Redevelopment Area, to identify and recommend sewer system improvement 4 28 100 24 156 $22,846 needs for future redevelopment plan. Engineer will prepare Redevelopment Area Capacity Improvement with assumptions, projected densities, and dry and wet weather flows, with B.4 spreadsheet calculations and analysis results. Recommend system 4 24 80 40 148 $20,925 improvements to address proposed redevelopment azeas will be prepazed on 11" x 17" drawings for each redevelopment azea. Labor Cost Subtotal 16 84 300 96 0 496 $72,062 Subconsultant Ex eases General E eases $4,000 Expenses Subtotal $4,000 REDEVELOPMENT AREAS CAPACITY ANALYSIS $76,062 Task C TRINITY RIVER VISION HYDRAULIC ANALYSIS FOR OPTIMAL PII'E SIZING Prmcipal/Proj. Manager Asat. Proj. Manager Project Engineer GIS Wortl Processor Total Hovrs Estimated Total Fee Engineer will meet with the City and TRV consultant and review identified C.1 relocation projects for the TRV Phase 1 Central City in relation to the 2 4 4 10 $1,804 Wastewater Master Play Engineer will convert proposed TRV sewer alignments to forma[ needed for G2 sewer model, populate attribute data and input to the brfoWorks CS hydraukc 4 24 16 44 $5,812 model for capacity analysis. Engineer will utilize the hydraulic model to perform updated dynamic modal C.3 simulations for existing and 2030 conditions for all proposed relocation sewer 2 24 40 8 74 $11,353 lines m assess levels of surcharging and overflows. C.4 Engineer will utilizethe hydraulic model to evaluate three alternatives. 2 16 30 6 54 $8,289 C.5 Engineer shall prepare Opinion of Probable Construction Cost (OPCC) tables and mapping for idantified improvements. 2 6 8 - 2 I8 $2,878 Engineer will conduct a workshop with City and TRV consultant to present C.6 Endings, modifications and capacity recommendations to optimize sizing of sewer relocations. City will provide comments on sizing of sewer relocations 2 4 4 2 12 $1,949 and project costs. - Engineer will prepare technical memorandum to include analysis, results and to C.7 incorporate comments and recommendations from workshop into Wastewater Master Plan. Engineer will submit three (3) copies and digital files in PDF 2 10 18 6 4 40 $5,791 format Labor Cost Subtotal iZ. 6S 128 36 252 $37,874 GeneralE eases $2,500 Ezpenses Subtotal $2,500 TRINITY RIVER VISION HYDRAULIC ANALYSIS FOR OPTIMAL PII'E SIZING $40,374 TOTAL ENGINEERING HOURS &COST 42 206 576 140 14 � 978 $307,302 Page 2 C:1UursMhkWppData\LocallMicraeofl\Windows\Tempo2ry Internet Fles\ContentOWlaokli2UWfiRFlW WMP-Amendment-3.�du