ATTACHMENT #2
Project Name: HCTP Slope Stabilization
Project (Cl 5736)
FIRST AMENDMENT TO
AGREEMENT FOR PROFESSIONAL SERVICES
BETWEEN THE CITY OF THOUSAND OAKS
AND
COTTON, SHIRES AND ASSOCIATES, INC.
Contract No. 13764-2024
THIS FIRST AMENDMENT to the Agreement for Professional Services entered into between the CITY OF THOUSAND OAKS, a municipal corporation (hereafter “City”) and COTTON, SHIRES AND ASSOCIATES, INC. (Thousand Oaks, CA) (hereafter “Consultant”), entitled Hill Canyon Treatment Plant Slope Stabilization Project (Cl 5736) and dated September 16, 2024 (herein “Contract”) is made this 19th day of November 2024.
RECITALS
A. Section 3 of the Contract, currently, and as may have been previously amended, provides for a “not to exceed” total payment as consideration to Consultant of $66,500 for
services generally and briefly described as preparation of the construction contract documents and services during the bidding phase.
B. City is in need of expanding the Scope of Services to be performed under the present Contract, and Consultant is desirous of performing such and receiving additional
compensation for said extra services.
AGREEMENT TO AMEND
NOW, THEREFORE, the undersigned parties to Contract agree to amend Contract as described below:
Part 1. Section 2 of Contract is amended to include the additional scope of work generally encompassing addition of design services associated with completing a topographic drone survey, geologic mapping and associated evaluation and reporting for an additional hillside slope area located north and east of the HCTP Maintenance Building. The detailed scope of this additional work is attached hereto as Exhibit A-1.
DPW: 850-20\ev\Council\2024\111924\CI 5736\HCTP Slope Stabilization Project Att 2.docx
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Part 2. The sum of $10,500 is added as compensation to Consultant under the present Contract for the above-described additional services, and Subsection 3 (a) of Contract is hereby amended in part to read as follows:
(a)Maximum and Rate. The total compensation payable to Consultant by City for the services under this Agreement SHALL NOT EXCEED the sum of $77,000, and shall be earned as the work progresses on the basis explained in the original contract, and as may have been previously amended.
Part 3. Exhibit " B" Consultant' s Schedule of Fees is hereby replaced in its entirety with Exhibit B-1, attached hereto and incorporated herein, in order to reflect Consultant' s current rates.
Part 4. All terms used in Part 1, 2, and 3 above shall have the meanings ascribed thereto in Contract. Except as amended in Part 1, 2, and 3 all other sections, terms, obligations, duties, clauses, and provisions of Contract shall remain the same.
IN WITNESS WHEREOF, the parties execute this FIRST Amendment to Contract as of the date set forth above.
COTTON, SHIRES AND
ASSOCIATES, INC.
___________________________
Patrick Shires, President
___________________________
John Wallace, Vice President
CITY OF THOUSAND OAKS
__________________________
Al Adam, Mayor
ATTEST:
________________________________
Laura B. Maguire, City Clerk
DPW: 850-20\ev\Council\2024\111924\CI 5736\HCTP Slope Stabilization Project Att 2.docx
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APPROVED AS TO ADMINISTRATION:
Andrew P. Powers, City Manager
APPROVED BY DEPARTMENT HEAD:
Clifford G. Finley, Public Works Director
APPROVED AS TO FORM:
Office of the City Attorney
Tracy Friedl, Assistant City Attorney
DPW: 850-20\ev\Council\2024\111924\CI 5736\HCTP Slope Stabilization Project Att 2.docx
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EXHIBIT A-1
Scope of Services
CONSULTANT shall provide prepare a preliminary design report (PDR) outlining slope stabilization recommendations for the two additional areas (a portion of the ridgeline extending southeast from Hill Canyon Road at the rock slope site, and the remaining ascending hillside area bordering the eastern edge of the HCTP site)
CONSULTANT shall perform the following Tasks:
TASK A. Research/Review Existing Documentation.
Consultant shall review historical information regarding development and improvements proximal to the additional study area project site. Services for this task shall also include project and field coordination with the City.
TASK B. Geologic Hazard Evaluations and Subsurface Exploration.
Consultant shall perform additional geologic hazard evaluations at the HCTP Maintenance Building slope and rock outcrop areas by conducting topographic drone surveys and geologic mapping. The rockfall field investigation shall be focused on the recognition and characterization of potential slope instability, followed by analyzing the gathered data, and providing recommendations for mitigation to help reduce the risk of rockfall and slope stability hazards at each site.
TASK C. Prepare a Draft and Final Preliminary Design Report (PDR).
Consultant shall include geotechnical conclusions and design criteria, including an assessment of subsurface geologic conditions, geologic hazards, and project feasibility from engineering and constructability perspectives for the additional investigation site. Consultant shall also present potential stabilization options for the additional site similar to the other two sites included in the original agreement scope of work, which shall include proposed techniques, product information, opinions on potential costs, as well as estimated project and construction schedules.
TASK D. Review the Draft and Final PDR.
In addition to the original two sites under investigation, for the additional site, Consultant shall prepare for, attend and lead a review meeting with City staff to review the draft PDR report, recommendations and findings. A final PDR shall be provided to the City in PDF format after all comments and/or clarification requests are received and resolved.