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HomeMy WebLinkAboutAmendment No. 4 to Agreement with CH2M Hill for South Area Lift Station and Pipeline Ci ty of Melr idi an Pu b lic Wolr ks De pt. Memo To: Jaycee Holman; Tara Green From: Clint Dolsby, P.E., Interim City Engineer CC: Thomas Barry, P.E., Public Works Director Date: 04/02/2008 Re: Proposed Agenda Items for April 15, 2008 City Council Meeting ~~~ ~ 2 zoos City Of 1VYeridian City Clerk Office The Public Works Department respectfully requests the following item be placed on the April 45 City Council agenda, under Department Reports, for Council's consideration: South Area Lift Station and Pipeline Proiect Amendment No. 4. CH2M HILL has submitted a task order, scope of work, and budget for the engineering services. They propose to complete the work for $86,000. This is an extension of the South Area Lift Station and Pipeline Project agreement approved by City Council on the 3'~ of January, 2006. This project provides engineering services for the final design of a lift station, pressure sewer and waterline in the south area for the Bittercreek Development. Recommended Council Action: The Public Works Department recommends that City Council approves the contract for the South Area Lift Station and Pipeline Project Amendment No. 4 with CH2M HILL for $86,000 and authorize the Mayor to sign it. Thank you for your consideration. Please contact me if you have any questions regarding any of these items. ~ECEI~D • Page 1 AMENDMENT No. 4 TO THE AGREEMENT FOR DESIGN SERVICES FOR THE CITY OF MERIDIAN BITTER CREEK LIFT STATION AND PIPELINES PROJECT BETWEEN CITY OF MERIDIAN AND CH2M HILL, INC. ` This Amendment is entered into by and between City of Meridian (OWNER) and CI-I2M HILL, lnc. (ENGINEER). ~ A. OWNER and ENGINEER entered into an Agreement (AGREEMENT) for Engineering Services for the City of Meridian Mason Creek Lift Station and Pipelines project, dated January 3, 2006. B. Article 5.10, of the AGREEMENT provides that the AGREEMENT may be amended by written amendment to the AGREEMENT as agreed to by OWNER and ENGINEER. C. OWNER and ENGINEER desire to amend the AGREEMENT. Now, Therefore, the parties agree [o the following modifications: See Attachments A and B. Ali other terms and conditions of the original agreement will remain in full force and effect. IN WITNESS WHEREOF, the parties execute below: For CH2M HILL, Inc. dated this day of , 2008. By: Name Titte For City of Meridian dated this day of , 2008. By: Tammy de Weerd, Mayor Attest_ Jaycee Holman City Clerk Approved By City Council: Attachment A Scope of Services Project Understanding The City is planning for a lift station near the intersection of Amity and Lindy Roads to service the south Meridian area, including the Bitter Creek development. The use of this facility will be to convey flows through new pipelines to a new gravity system on Ten Mile Road just south of the I-84 freeway. Approximately 2.25 miles of new dual force main will be included in Phis project.. CH2M HILL has been asked to revise the design of the Bittercreek Lift Station and Pipelines project to accommodate a 501ot subdivision expandable to 3,000 lots. In addition, the design of a 12 and 16-inch waterline has been added to the project. Perrruts from IDEQ, Ada County (CUP), ACHD, and USCOE will have to be obtained. Scope of Work CH2M HILL will perform the tasks for the redesign of the Bitter Creek Lift Station and forcemains as outlined below. Task 1-Project Management 1.1 Staff Management and Task Coordination Project management will consist of supervising project staff, holding consultant staff coordination meetings as required, documenting meeting decisions and action items, and assigning activities to team members. 1.2 Monitor Project Progress Monitor project progress, including work completed, work remaining, budget expended, schedule, estimated cost,of work remaining, and estimated cost at completion. Monitor project activities for potential changes, anticipate changes when possible, and with City approval, modify project tasks, budgets, and approach. 1.3 Invoices Prepare and submit a monthly billing with backup documentation, per the agreement. Prepare invoices for services performed on a monthly basis, including a summary of work completed and work to be completed for the coming month. 1.4 Project Quality Control Perform project quality control reviews of all deliverables on this project. Senior technologists will be involved in the work tasks from the start and perform these final reviews. 1.5 Opinion of Probable Costs. Opinions of probable construction cost will be prepared for each review meeting. Capital costs include construction costs, associated engineering and construction services costs, legal and administrative cost, sales tax, and appropriate contingency. Task 2-Revise Flows, Pump and Pipe Sizing, and Alignments CH2M HILL will recalculate flows at existing and future conditions, resize pumping equipment, resize dual force mains, and revise pipeline alignments. Aone-page technical memorandum will be provided to document this effort. A brief meeting will take place to discuss and approve this work. Task 3-Permitting CH2M HILL will obtain IDEQ, Ada County CUP, ACHD, Boise Board of Water Control, and USCOE permits required to construct this project. Task 4 Design 4.1 Pumping System Evaluations Based on the results of Task 2, develop system curves for use with the pump selection process. Make selection of pumps considering design flows. Select first stage pump vendor. 4.2 Electrical and Instrumentation Evaluations. Revise the required electrical power components for the lift station. Determine the requirements for power feed to the station. Develop one-line diagram for the facilities. Resize emergency generator if needed. 4.3 Prepare Plans and Specifications Develop horizontal and vertical alignments of the dual forcemain within the public ROW of Amity Road and Ten Mile Road. Manhole designs and force main details will be developed. Develop horizontal and vertical alignments of the waterline within the public ROW of Amity Road and Ten Mile Road. Waterline details such as air release valves, trench sections and paving details will be included. Lift station site plan, landscaping plan, and paving and grading plans will be provided. Mechanical and electrical plans, sections, and details of the lift station and odor control facilities will be developed. The following is the anticipated list of drawings: Cover/Vicinity and Location Maps/Force Main Location Map Abbreviations • General Notes and Civil Legend • Mechanical Legend • Lift Station Site Plan • Civil Details -1 • Civil Details - 2 • Twelve force main Plan and Profile Sheets • Twelve waterline Plan and Profile Sheets • Generator Pad Structural Drawing • Generator Pad Structural Details • Lift Station Mechanical Details • Generator/Odor Control Mechanical Plan and Details • Standard Mechanical Details • Electrical Legend/One Line Diagram • Electrical Site Plan • Electrical Standard Details -1 • Electrical Standard Details - 2 Specifications will be prepared using CH2M HILL standard specifications including CH2M HILL standard front end specifications. 4.4 Project Review Meetings Four copies of the 90% project documents will be provided for City review and comment. One brief review meeting at the 90% complete level. City Comments will be incorporated into the project documents. 4.5 Agency Approval Once the 90% City comments are incorporated into the project documents, submittals for Agency approval to IDEQ will occur. We will follow the standard IDEQ checklist during design to facilitate IDEQ approval to construct. 4.6 Final Bid Documents Agency comments will be incorporated into the final Bid documents and one set of electronic and 4 sets of printed documents will be delivered to the City. Assumptions • City will provide the professional engineer to provide construction inspection and record drawing preparation. • HDPE pipe will be used for the force main piping material • PVC will be used for the watermain material. Attachment B Compensation Level of Effort The task level of effort estimates are summarized in the following table. CH2M HILL has developed this level of effort estimate based on the work plan presented herein and assumptions stated previously. The fees will be billed as time and material, and will not exceed the total amount below without prior approval by the City. Level of Effort Task Description Total Task 1 Project Management $8,000 2 Revise Pump, Pipe, and Alignments 5,000 3 Permits 15,000 4 Design 58,000 Summary -All Tasks $86,000 Schedule The schedule for design and CUP approval is anticipated to take 8-10 weeks. IDEQ approval will take 4-6 weeks, and final Bid DocLUnent preparation an additional 2-3 weeks.