01 13 26 UT - First Amendment to PSA - GHD Inc. - End Date 06 30 26

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AMENDMENT NO. 1 TO THE PROFESSIONAL SERVICES AGREEMENT 
BETWEEN 
THE CITY OF TOLLESON 
AND 
GHD INC. 
 
THIS AMENDMENT NUMBER NO. 1 TO THE PROFESSIONAL SERVICES AGREEMENT (this 
“First Amendment”) between the CITY OF TOLLESON, an Arizona municipal corporation (the 
“City”) and GHD INC., a California corporation (the “Consultant”), (collectively, the “parties”), is 
hereby entered into and shall be effective on the last signature date set forth below.   
Note: Amendment changes are noted with additions in bold font and deletions in strikeout font. 
RECITALS 
A. 
The City and the Consultant entered into a Professional Services Agreement on 
October 10, 2024 (the “Agreement”) for Consultant to assist the City in utilizing excess capacity 
at its Wastewater Treatment Plant (WWTP) (the “Services”).  The terms of the Agreement are 
incorporated herein by reference. 
 
B. 
The parties desire to amend the Agreement to increase the compensation limit in 
the Agreement. 
AGREEMENT 
NOW, THEREFORE, in consideration of the foregoing introduction and recitals, which are 
incorporated herein by reference, the following mutual covenants and conditions, and other 
good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, 
the City and the Consultant hereby agree as follows: 
 
1. 
The parties agree to amend the second sentence of Paragraph 3 Compensation 
of the Agreement, as follows: 
 
“Commencing with the fiscal year July 1, 2024 through June 30, 2025June 30, 2026, the 
City’s payments to the Consultant, if any, shall not exceed an aggregate amount of 
$100,000$200,000.00 for each fiscal year, for the Services at the rates that shall be 
agreed upon by the parties.” 
 
2. 
The parties agree to amend Pierce Coleman PLLC notice address in Paragraph 
14.14 of the Agreement as follows:  
 
With copy to: 
 
Pierce Coleman PLLC 
7730 East Scottsdale Road, Suite 105 
17851 N. 85TH STREET, SUITE 175 
Scottsdale, Arizona 8526085255.  
Attn: Justin Pierce, City Attorney

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3. 
Effect of Amendment. In all other respects, the Agreement is affirmed and ratified 
and, except as expressly modified herein, all terms and conditions of the Agreement shall remain 
in full force and effect. 
4. 
Non-Default. By executing this First Amendment, the Consultant affirmatively 
asserts that (i) the City is not currently in default, nor has it been in default at any time prior to 
this First Amendment, under any of the terms or conditions of the Agreement and (ii) any and all 
claims, known and unknown, relating to the Agreement and existing on or before the date of this  
First Amendment are forever waived. 
5. 
Conflict of Interest. This First Amendment and the Agreement may be canceled by 
the City pursuant to A.R.S. § 38-511. 
 
[SIGNATURES ON THE FOLLOWING PAGE(S).] 
[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.]

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IN WITNESS WHEREOF, the parties hereto have executed this First Amendment as of the 
date and year last set forth below. 
 
“City” 
 
CITY OF TOLLESON,  
an Arizona municipal corporation 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Reyes Medrano, Jr., City Manager 
 
 
 
Date 
 
ATTEST: 
 
 
 
 
 
 
 
 
 
Crystal Zamora, City Clerk 
 
APPROVED AS TO FORM: 
 
 
 
 
 
 
 
 
 
Justin S. Pierce, City Attorney 
 
 
“Consultant” 
 
GHD INC.,  
a California corporation   
 
 
By:  
 
 
 
 
12/29/2025 
 
 
 
 
Name:  Bhaskar Kolluri 
 
 
 
DATE 
 
Its:  
Business Group Leader