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HomeMy WebLinkAboutC21590 CA2 Dukeck & Associates - Dinah Shore and Portola Extension 617-02CITY OF PALM DESERT PUBLIC WORKS DEPARTMENT STAFF REPORT REQUEST: Approve Contract Amendment No. 2 to Contract No. C21590 with Dudek & Associates, for Engineering Services for the Dinah Shore Drive and Portola Avenue Extension (Project No. 617-02). SUBMITTED BY: Armando Rodriguez, P.E. Senior Engineer APPLICANT: Dudek & Associates, Inc. 75-150 Sheryl Avenue, Suite C Palm Desert, CA 92211 DATE: CONTENTS Recommendation: August 25, 2005 Contract Amendment No. 2, Vicinity Map By Minute Motion: Approve Contract Amendment No. 2 to Contract No. C21590 with Dudek & Associates, in the amount of $30, 920.00 Discussion: On July 10, 2003, City Council approved Contract No. C21590, with Dudek & Associates, for design engineering for the Dinah Shore Drive and Portola Avenue Extension, in the amount of $58,880.00 plus Contingency in the amount of $5,888.00. On December 9, 2004, Contract Amendment No. 1 was approved in the amount of $34,000.00. This amendment was for additional street profile changes and traffic signal modifications to the Portola Avenue at Gerald Ford and Dinah Shore Drive intersections necessary to complete the improvements. This amendment will incorporate Council's request to increase the number of lanes on the proposed Dinah Shore Drive extension from Avenue 35 to the Staff Report Approve Contract Amendment No. 2 to Contract No. C2159O Page 2 of 2 December 9, 2004 temporary terminus at the new intersection with proposed Portola Avenue. The original design included four lanes with a raised center median. The re -design is for a six -lanes arterial. The consultant will provide additional plan revisions anticipating the six -lane pavement geometry. In addition, the design engineer will redesign the traffic signal at Portola Avenue and Dinah Shore Drive. The following is a summary of the additional work and fee: • Street Alignment Geometry Revisions • Traffic Signal Modifications at Portola Avenue & Dinah Shore Drive Total Cost $24,000.00 In addition, staff has determined the need for additional field surveys. The existing engineering design was based entirely on outdated aerial topography, supplied by the developer. This additional work request, will determine the deference between the aerial topography and the existing field conditions. The fee for the additional surveys is $6,920. Funds are currently available in the project account: 213-4365-433-4001. Therefore, staff recommends that City Council, by minute motion approve Contract Amendment No. 2 in the amount of $30,920.00 Submitted By: z . GZD Armando Rodriguez, E. Senior Engineer nt Services Department Head: 1 Michael Errante, P.E. Director of Public Works Finance Director G:\PubWorks\Staff Reports\2005\August 25\Approve CO 2 Dudek Assoc C21590 Dinah-Portola Extension 617-02 .doc Contract Amendment P.O. # 10775 Contract # C21590 Project # P617-02 Project Description: Design for Dinah Shore/Portola Extensions Contractor Name Dudek and Associates Contractor Street Address 75-150 Sheryl Avenue, Suite C Vendor # 7356 City, State, Zip Palm Desert, CA 92211 Contract Amendment No. 2 Pursuant to the terms of the original contract Agreement, you are hereby directed to make the herein described changes or do the following described work not included in the plans and specifications for this Contract. Unless otherwise stated, all work shall conform to the terms, general conditions, and special provisions of the original contract. DESCRIPTION OF CHANGE Alter design of Dinah Shore Drive to six lane arterial Additional design surveys of Portola Avenue and Dinah Shore Drive. Contingency used? (cirde one) Yes No Increase/Decrease in Amount $30,920.00 If yes, amount moved to base: I I Increase/Decrease in Days 0 Contract Amount (include past change orders) $92,880 Plus/Minus Current Change Order $30,920 Revised Total Contract Amount $123,720 1. ORDERED BY: Department Head 3. APPROVED BY: City Manager Date Contract Date of Completion i Plus/Minus Current Change Order Revised Date of Completion 2. CERTIFIED FUNDS AVAILABLE Director of Finance Date 4. APPROVED BY: City Council Date We, the undersigned Contractor, have given careful consideration to the change proposed and hereby agree, if this proposal is approved, that we will provide all materials, perform all labor, except as may be noted above, and perform all services necessary to complete the above specified work, and hereby accept as full payment the amount shown above, which includes all direct and indirect overhead expenses for any delays. ACCEPTED BY: ContractorNendor Date DINAH SHOR GERALD FORD DR VICINITY MAP 0• 1000• 2000' 3000• SCALE 1 '=1000• DOM r w > Q Q J 0 0 CL CITY OF PALM DESERT Clty Of Palm Desert�n VICINITY MAP PUSUC WORKS DEPARTMENT 73-510 FRED NPRINC DRIVE BDE DINAH SHORE DRIVE AND PORTOLA PALM ,NpDhEwSEMj7 10 =11e �n STREET EXTENSIONS fm: (7E0) 341-709E AR PROJECT NO. 617-02 SHEET 1 of AVEN SETS 1 FLE NUMBER vo�rrr NrrnNc DATE 00/30/=W