CITY OF SIGNAL HILL
THIRD AMENDMENT TO
AGREEMENT FOR PROFESSIONAL SERVICES
Parties and Date.
This Third Amendment to the Agreement for Professional Services (“Third Amendment”) is entered into on the 27th day of February, 2024, by and between the City of Signal Hill, a municipal corporation, organized under the laws of the State of California, with its principal place of business at 2175 Cherry Avenue Signal Hill, CA 90755 (“City”) and Tetra Tech, Inc., a Delaware corporation, with its principal place of business at 17885 Von Karman Ave., Ste. 500 (Consultant). City and Consultant are sometimes individually referred to herein as “Party” and collectively as “Parties.” Recitals.
Agreement. The Parties entered into that certain Agreement for Professional Services dated April 14, 2020 (“Agreement”).
First Amendment. On February 14, 2023 the Parties amended the Agreement in order to extend the term of the Agreement to June 30th, 2023, expand the Scope of Services to include a water quality review and treatability memorandum to Division of Drinking Water, and increase the total amount of compensation under the Agreement.
Second Amendment. On July 25, 2023 The Parties amended the Agreement in order to expand the Scope of Services, extend the term of the Agreement and increase the total amount of compensation under the Agreement.
2.4 Third Amendment. The Parties now desire to amend the Agreement in order to extend the term of the Agreement.
Terms.
Term. Section 3.4 of the Agreement is hereby amended in its entirety to read as follows:
“Unless earlier terminated in accordance with Article 7 of the Agreement, this Agreement shall continue in full force and effect until completion of the Services but not later than May 28th, 2024” Remaining Provisions of Agreement. Except as otherwise specifically set forth in this Second Amendment, the remaining provisions of the Agreement shall remain in full force and effect.
CITY OF SIGNAL HILL
TETRA TECH, INC.
By:
Carlo Tomaino, City Manager
By:
Steve Tedesco, Senior Vice President
[If Corporation, TWO SIGNATURES, President OR Vice President AND Secretary OR Treasurer REQUIRED] ATTEST:
By:
Daritza Gonzalez
City Clerk
By:
Tom Epperson, Vice President
APPROVED AS TO FORM:
By:
Matthew E. Richardson
City Attorney
ATTACHMENT “1” TO FIRST AMENDMENT TO
AGREEMENT FOR PROFESSIONAL SERVICES
Exhibit “A” Scope of Services is hereby amended to include the following additional services:
Revise DDW Memorandum
Tetra Tech will revise the DDW memorandum. The following is a brief description of the scope to be performed:
Review and address in writing all DDW comments.
Water quality table will be revised based on DDW comments and information provided by the City. Chemical feed systems will be reviewed and evaluated as requested by DDW. Plant operations will be checked as requested by DDW. Develop conclusions and revise the DDW memorandum.
Provide Updated OMMP
Tetra Tech will provide an updated OMMP. The following is a brief description of the scope to be performed:
Review and address in writing all DDW comments.
Provide any information about Well 10 that would change operation of the treatment plant including chemicals and/or new equipment.
Update the OMMP.
Miscellaneous Questions
Tetra Tech will provide the following support in answering several miscellaneous questions:
Contact Well 10 manufacturers for NSF 61 certifications, if available. Respond to questions regarding ductile iron pipe usage. Assist the City with responses to remaining DDW questions and provide draft written response to City.
Provide Assistance for SCADA Integration
Tetra Tech will provide assistance to the City to have communication between Well 10 and the Gundry Treatment Plant. The following is a brief description of the scope to be performed:
Site visit to Well 10 and Gundry Treatment Plant with Trimax (City’s Integrator). Verify the new equipment at Well 10 was installed per plans and shop drawings. Assist Trimax in troubleshooting the communicate between Well 10 and Gundry which is operating on an older system using Windows 7.
Exhibit “C” Schedule of Compensation is hereby amended to include:
Add the following Task to Part I of Exhibit “C”:
DDW Memorandum revisions, Update OMMP, Research and respond to DDW requests for additional information, and provide SCADA system installation troubleshooting with City’s SCADA installer: $17,000 - 2 -
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Exhibit “A-I”-1
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