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CM-2014-363ROUND ROCK. TEXAS PURPOSE waiOn rxowmm City of Round Rock Agenda Item Summary Agenda Number: Title: Consider executing Supplemental Contract No. 1 with DCS Engineering, LLC for the BCRWWS West Wastewater Treatment Plant Rehabilitation Project. Type: City Manager Item Governing Body: City Manager Approval Agenda Date: 3/28/2014 Dept Director: Michael Thane, Director of Utilities and Environmental Services Cost: $14,250.00 Indexes: Self -Financed Wastewater Construction Attachments: SCNo.1 BCRWWSWest DCS CM3.28.14 Department: Utilities and Environmental Services Text of Legislative File CM -2014-363 On September 7-8, 2010, Brushy Creek experienced extraordinary flooding conditions, causing the creek level to swell out of its banks and inundate a portion of the Brushy Creek Regional Wastewater System (BCRWWS) West WastewaterTreatment Plant. Since that time, the facility has been shut down and the wastewater flow has been diverted to the BCRWWS East Wastewater Treatment Plant. This project has repaired the damages experienced from the flooding as well as moved equipment that was previously located in the floodplain to a higher elevation. In addition, under a renewed wastewater permit (TPDES NO. W00010264001) issued September 28, 2009, the plant as of September 28, 2012 must achieve all of its plant effluent discharge parameters including an additional 17.4 mg/I daily average for nitrate nitrogen. The improvements constructed during this project have ensured that the plant can meet these requirements. The Cities of Cedar Park, Austin and Round Rock have paid for this project based on their allocated capacity in the treatment system. Round Rock's percentage of capacity is 81.96%. On June 9, 2011, DCS Engineering, LLC was contracted to design rehabilitation improvements to the West Wastewater Treatment Plant and submit a renewal of the wastewater permit to Texas Commission on Environmental Quality. Along with plant effluent discharge parameters requirements, the permit requires a Nuisance Odor Prevention Plan be submitted as set forth in the issued Texas Pollutant Discharge Elimination System permit. The cost to prepare the Nuisance Odor Prevention Plan is $14,250, and since Round Rock's capacity is 81.96%, the cost to the City will be $ 11,679.30. Staff recommends approval. City of Round Rock Page 1 Printed on 3/27/2014 Agenda Item Summary Continued (CM -2014-363) City of Round Rock Page 2 Printed on 3/27/2014 LEGAL DEPARTMENT APPROVAL FOR CITY COUNCIL/CITY MANAGER ACTION Required for Submission of ALL City Council and City Manager Items Department Name: Utilities & Environmental Services Project Mgr/Resource: Eddie Zapata Council Action: ORDINANCE Agenda Wording BCRWWS West Wastewater Treatment Plant Project Name: Rehabilitation Project ContractorNendor: DCS Engineering, LLC 0 RESOLUTION [City Manager Approval CMA Wording Consider executing Supplemental Contract No. 1 with DCS Engineering, LLC for the BCRWWS West Wastewater Treatment Plant Rehabilitation Project. Attorney Approval 0/Attorney Notes/Comments O:\wdox\SCCInts\01601990\0910-19\CONTRACT100295295.XLS Updated 6/3/08 STATE OF TEXAS COUNTY OF WILLIAMSON § § § SUPPLEMENTAL CONTRACT NO. 1 TO CONTRACT FOR ENGINEERING SERVICES FIRM: DCS ENGINEERING, LLC ("Engineer") ADDRESS: 1101 S. Capital of Texas Hwy, Building G-100, Austin, TX 78746 PROJECT: BCRWWS West Wastewater Treatment Plant Rehabilitation Project This Supplemental Contract No. 1 to Contract for Engineering Services is made by and between the City of Round Rock, Texas, hereinafter called the "City" and DCS Engineering, LLC, hereinafter called the "Engineer". WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter called the "Contract", on the 9th day of June, 2011 for the BCRWWS West Wastewater Treatment Plant Rehabilitation Project in the amount of $547,011.00; and WHEREAS, it has become necessary to amend the Contract to modify the provisions for the scope of services and to increase the compensation by $14,250.00 to a total of $561,261.00; NOW THEREFORE, premises considered, the City and the Engineer agree that said Contract is amended as follows: I. Article 1, City Services and Exhibit A, City Services shall be amended as set forth in the attached Addendum To Exhibit A. If. Article 2, Engineering Services and Exhibit B, Engineering Services shall be amended as set forth in the attached Addendum To Exhibit B. Exhibit C, Work Schedule shall be amended as set forth in the attached Addendum To Exhibit C. Article 4, Compensation and Exhibit D, Fee Schedule shall be amended by increasing by $14,250.00 the lump sum amount payable under the Contract for a total of $561,261.00, as shown by the attached Addendum to Exhibit D. IN WITNESS WHEREOF, the City and the Engineer have executed this Supplemental Contract in duplicate. Supplemental Contract 016001990.910-19; 00295260 1 CM -2014-363 Rev.12/01 /08 84275 DCS ENGINEERING, By: lits Date 3/z0v CITY OROU t ROCK �i�/jam Steve 1\1on.4ct, Steph arm Mo -Y\ 9e.2 By: 4173Aelle Date Supplemental Contract 016001990.910-19;00295260 VED AS TO ORM: L 2 L. Sheets, City Attorney Rev.12/01/08 84275 ADDENDUM TO EXHIBIT A City Services The City of Round Rock (City) shall furnish to the Engineer the following items, information, and assistance: 1. Provide access to and make provisions for Engineer and his subconsultants to enter property as required for Engineer to perform the services under this contract. 2. Assist Engineer in visiting the site as needed to finalize plan. 3. Provide timely review of plan so as not to delay the services of the Engineer. 4. Designate a person to act as the Owner's representative with respect to services to be rendered under this contract. Such person shall have complete authority to transmit instructions, receive information, and interpret and define Owner's policies and decisions. 5. Furnish approvals and/or permits from all governmental authorities having jurisdiction over the project as required for completion of the project. Pay all fees associated with approvals and permits including any TCEQ fees. ADDENDUM TO EXHIBIT B Engineering Services 1.0 NUISANCE ODOR PREVENTION PLAN Per your request, we are proposing to provide professional engineering services for the Brushy Creek West Regional Wastewater Treatment Facility nuisance odor prevention plan for the Texas Commission on Environmental Quality (TCEQ) to meet the requirements set forth in the issued Texas Pollutant Discharge Elimination System (TPDES) permit. The plan will be prepared and submitted to TCEQ on behalf of the City of Round Rock for the permitted treatment capacity of 3.0 mgd average annual flow. It should be noted here that the deadline to submit the plan is March 30, 2014. The scope of work for preparing a TCEQ nuisance odor prevention plan includes the below items: 1. Provide a nuisance odor prevention plan in accordance with 30 TAC § 309.13(e)(2). Within 60 days of permit issuance. Submittal for the nuisance odor prevention request for approval by the Executive Director in care of the TCEQ Wastewater Permitting Section (MC 148). 2. The request for nuisance odor prevention shall be in the form of an engineering report, prepared and sealed by a licensed professional engineer, in support of the request according to the requirements of 30 TAC § 309.13(e)(2). 3. The engineering report shall address: • Existing climatological conditions such as wind velocity and atmospheric stability • Surrounding land use which exists or which is anticipated in the future • Wastewater characteristics in affected units pertaining to the area of the buffer zone • Potential odor generating units • Proposed solutions to prevent nuisance conditions at the edge of the buffer zone and beyond. 4. Proposed solutions shall be supported by actual test data or calculations. 5. The request shall be submitted to the executive director for approval after the permitting process is completed in accordance with the issued permit. 6. Produce exhibits to support concepts, solutions, graphically present data, or present existing conditions at the facility. 7. Coordinate with TCEQ regarding data submission requirements for the plan. 8. Confirm and refine, with Owners assistance, key parameters including land use and buffer zone. 9. Assemble Application package, obtain Owner's signature, and submit four copies to the TCEQ. 10. Provide four copies of the report to the City. 11. Respond to questions from TCEQ staff during the review process. 12. Fees required by public agencies including TCEQ will be paid directly by the City of Round Rock. ADDENDUM TO EXHIBIT C Work Schedule The timeline is based on receiving a notice to proceed by March 14, 2014. Preparation and submittal of the plan will be completed by March 30, 2014. We anticipate TCEQ will require approximately 2.5 months to review and approve the proposed plan. DCS's total work effort is anticipated to be completed within three months, by June 14, 2014. One deliverable will be produced: a nuisance odor prevention plan addressing treatment plant items which do not meet the 150 ft buffer zone requirements including: the influent lift station, treatment unit No.'s aeration basin and clarifier, and headworks building. The majority of the effort for this project will be performed within the first two weeks of the project. ADDENDUM TO EXHIBIT D Fee Schedule Our proposed fees for the above detailed scope of work are provided on a lump sum fee basis as noted in the below table. The above referenced services will be performed within the duration discussed in Exhibit C. DCS's liability to the Client for any cause or combination of causes is in the aggregate limited to an amount no greater than the fee earned under this agreement. Fee Schedule Task Description Fee 200 Calculations and Research for Plan $2,201.00 210 Report Creation $7,926.00 220 Report Exhibits $2,217.00 230 TCEQ Plan Processing and Management $1,906.00 Lump Sum Fee = $14,250.00 DCS will invoice monthly for services rendered the preceding month based on the percentage of services completed or hours expended per project task. In addition, certain out-of-pocket expenses, including plotting and reproduction, deliveries, automobile mileage, equipment rental, and travel expenses are included in the above fee schedule. Client shall pay DCS within 30 days for the services rendered and invoiced.