SECOND AMENDMENT
TO
CONSULTANT SERVICES AGREEMENT
This Second Amendment to Consultant Services Agreement (“Second Amendment”) is made and entered into as of July 1, 2025, by and between the City of Diamond Bar, a municipal corporation (“City”), and Willdan Engineering, a California Corporation (herein referred to as the “Consultant”) with reference to the following:
A. The City and the Consultant entered into that certain Consultant Services Agreement dated as of December 2, 2024, which is incorporated herein by this reference (the “Original Agreement”); and
B. The City and the Consultant entered into that certain First Amendment to the Original Agreement dated as of April 1, 2025, which is incorporated herein by this reference (“First Amendment”), which First Amendment and Original Agreement collectively are referred to as the “Agreement”; and
C. The City and the Consultant desire to amend the Agreement to modify, amend and supplement certain portions thereof.
NOW, THEREFORE, the parties hereby agree as follows:
1. Defined Terms. Except as otherwise defined herein, all capitalized terms used herein shall have the meanings set forth for such terms in the Original Agreement.
2. Term. The term of the Agreement was from December 9, 2024 through June 30, 2025. This Second Amendment hereby extends the term of the Agreement through December 31, 2025.
3. Reserved.
4. Compensation. The total not-to-exceed compensation set forth in Section 3 of the Original Agreement was the sum of Forty-Four Thousand, Nine Hundred NinetyNine Dollars ($44,999). The First Amendment amended Section 3 of the Original agreement to provide for a not-to-exceed compensation in the sum of Ninety Thousand Dollars ($90,000). The total not-to-exceed compensation of the Agreement is hereby amended to provide for an increase of Ninety Thousand Dollars ($90,000) so that the total not-toexceed compensation, as amended by this Second Amendment shall not exceed One Hundred Eighty Thousand Dollars ($180,000) without the prior authorization of the City.
5. Integration. This Second Amendment and all attachments hereto (if any) integrate all of the terms and conditions mentioned herein, and supersede all negotiations with respect hereto. This Second Amendment amends, as set forth herein, the Original Agreement and except as specifically amended hereby, the Original Agreement shall remain in full force and effect. To the extent that there is any conflict or inconsistency between the