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RBF Consulting - Agreement for Santa Teresa Blvd. Widening Project - Addendum No. 2L5 5 W __ CONSULTING September 25, 2000 JN 35- 100063.003 Ms. Kristi Abrams Traffic Engineer CITY OF GILROY 7351 Rosanna Street Gilroy, CA 95020 -6197 Subject: Addendum #02 Santa Teresa Boulevard Widening Project Dear Ms. Abrams, In response to your request, RBF Consulting is pleased to present this addendum to provide for additional services to complete the design for the improvements of Santa Teresa Boulevard from 1400' south of First Street to Sunrise Drive. Included in this scope of work are modifications to the previously prepared soundwall plans to provide for varying offsets, height and texture requirements; additional retaining wall improvements to avoid the extension of the box culverts at Morey Channel #1 and #2; modifications to the previously prepared plans to provide for dual ramps at three intersections, additional services to provide for an extensive landscape rendering and services for additional construction easements previously unaccounted. Enclosed for your review are the following exhibits: Scope of Services, Exhibit "A" and Proposed Compensation, Exhibit "B ". Should you have any questions, please do not hesitate to call me. Sincerely, William J. C/3\Proposal\AddO2.wpd rs, P. Associate H: \PDATA \351000 cc: Garrett Gritz, RBF John Zellmer RBF Accounting RBF I�LLI�11�[Fl ®�] �- -7IH►��i�l�[ --�� Gl�I�![�l�l 1981 North Broadway, Suite 235, Walnut Creek, CA 94596 -3817 ■ 925.906.1460 ■ Fax 925.906.1465 Offices located throughout California, Arizona & Nevada ■ www.RBF.com primed 11 —y —d plpel RBF Consulting Contract Agreement for JN 35- 100063.003 EXHIBIT "A" SCOPE OF WORK SANTA TERESA BOULEVARD WIDENING AND MANTELLI DRIVE GAP CLOSURE PROJECT ADDENDUM #02 A. Consultant agrees to perform the following Scope of Services: Task 01 Modification to Plans for Dual Ramps September 25, 2000 Page 2 of 4 Consultant will modify previously prepared plans to allow for dual handicap ramps at three intersections of Santa Teresa Boulevard. Installing dual ramps results in moving the limit line back from its previous location causing modifications to numerous plan sheets. They include: • Modify Street Improvement Plans to move the median noses back. • Modify Traffic Signal Improvement Plans to relocate pole and detector loop locations. • Modify Sign and Striping Plans to provide for new cross walk locations • Modify Stage Construction Plans to update to current construction limits Task 02 Retaining Wall Plans at Drainage Channels Consultant will prepare two retaining ;gall plans and structural calculations to avoid the extension of Morey Channel #1 and #2. Structural calculations to demonstrate no impacts to the existing box culverts at the request of the SCVWD. Plans to further provide details for guard rail removal to provide access adjacent to the channel at the request of SCVWD. Previous scope of work in addendum #01 provided for the preparation of 4 plan sheets to complete work associate with the channels, 6 plan sheets will now be provided along with additional structural calculations. The previous scope of work in addendum #01 provided for services to obtain a regulatory permit which is now not required as a result of the installation of the retaining walls. The fee for the design of two new retaining walls and structural calculations is $7,500. This fee will be offset by the regulatory permit fee of $5,990. The resulting additional fee for the new retaining wall as identified in Exhibit "B" will be $1,500. RBF Consulting September 25, 2000 Contract Agreement for JN 35- 100063.003 Page 3 of 4 Task 03 Landscape Rendering Consultant shall prepare one revised presentation quality landscape concept plan for the project. The plan shall include one plan at an scale of 1 " =40', up to four cross sections depicting street, landscaped parkways and medians and sound wall and up to four typical soundwall elevations. The plans will be prepared based on client goals and objectives, site opportunities and constraints and the requirements of the City of Gilroy. The revised plan will incorporate comments received by RBF from � � the City at the September 1 jth meeting and shall depict the following: • All project improvements from transition to transition • Lane and transition striping • Soundwalls and soundwall easements • Landscape median pavement • Expanded landscape planting, pallette • Street lights The plan and a preliminary estimate landscape construction costs will be submitted to the City for preliminary review, comments and approval prior to the City Council Meeting of October 17. RBF shall provide one 36" colored plan for entire length of project and approximately 12ea. 11 "X17" copies. The original scope of work established a fee of in the amount of $3,800 for a supplemental landscape concept plan and rendering. The fee for this extensive landscape rendering is $8,500. The resulting fee for this new landscape rendering as identified in Exhibit "B" will be $4,700. Task 04 Soundwalls Consultant will modify previously prepared soundwall plans (7 sheets) to provide for varying horizontal offsets, vertical heights and textures. Original ground will be plotted in locations where the soundwall horizontal locations have changed. Task 05 Construction Easements Consultant will prepare an additional seven(7) construction easements. The scope of work in addendum #01 provided for the preparation of 80 construction easement documents. 87 construction easements will now be required to complete this work. RBF Consulting Contract Agreement for JN 35- 100063.003 EXHIBIT "B" PROPOSED COMPENSATION SANTA TERESA BOULEVARD WIDENING AND MANTELLI DRIVE GAP CLOSURE PROJECT September 25, 2000 Page 4 of 4 B. Client agrees to compensate Consultant for such service as follows: Consultant shall complete the work outlined above in accordance with the fee schedule identified below and shall invoice Client monthly based on the percentage of completion. Task Description Fee 01 Modification for Plans for Dual Ramps $3,500.00 02 Retaining Walls at Drainage Channels $1,500.00 03 Landscape Rendering $4,700.00 04 Soundwalls $9,100.00 05 Construction Easements $1,050.00 Total Professional Fee $19,850.00