01 27 26 UT - Third Amendment to CPA - West Yost & Associates, Inc. - End Date 04 20 27

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AMENDMENT NO. 3 TO THE COOPERATIVE PURCHASING AGREEMENT 
BETWEEN 
THE CITY OF TOLLESON 
AND 
WEST YOST & ASSOCIATES, INC. 
THIS AMENDMENT NO. 3 TO THE COOPERATIVE PURCHASING AGREEMENT (this “Third 
Amendment”) between the CITY OF TOLLESON, an Arizona municipal corporation (the “City”) and 
WEST YOST & ASSOCIATES, INC., a California corporation (the “Contractor”), (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 Contractor entered into a Cooperative Purchasing Agreement on 
July 10, 2024 (the “Agreement”) based upon the City of Tempe Contract No. T23-107-01, as 
amended (collectively, the “Cooperative Contract”), for Contractor to provide Program 
Management and Implementation Services to Operationalize SCADA Master Plan services 
(“Services”).  The terms of the Agreement and the Cooperative Contract, and any amendments 
thereto, are incorporated herein by reference. 
 
B. 
The City has determined that additional Services are necessary and desires to 
increase the compensation paid to Contractor. 
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 Contractor hereby agree as follows: 
 
1. 
The parties agree to amend Paragraph 3 Compensation of the Agreement, as 
follows: 
 
3. 
Compensation  Commencing with the fiscal year July 1, 20245 through 
June 30, 20256, the City’s payments to the Contractor, if any, shall not exceed an 
aggregate amount of $200,000.00$350,000.00 for each fiscal year, for the Services 
at the rates that shall be agreed upon by the parties. If an entire fiscal year does 
not fall within the Term of this Agreement, the aggregate compensation limit for 
that partial year shall be reduced to an amount equal to the compensation limit 
multiplied by a factor having as its numerator the number of days in the partial 
fiscal year and as its denominator the number three hundred sixty-five (365).

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2. 
The parties agree to amend Pierce Coleman PLLC notice address in Paragraph 15 
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 
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 Third Amendment, the Contractor affirmatively 
asserts that (i) the City is not currently in default, nor has it been in default at any time prior to 
this Third 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 Third Amendment are forever waived. 
5. 
Conflict of Interest. This Third Amendment and the Agreement may be canceled 
by the City pursuant to A.R.S. § 38-511. 
 
 
 
 
 
 
 
[SIGNATURE APPEAR ON FOLLOWING PAGE.]

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IN WITNESS WHEREOF, the parties hereto have executed this Third 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 
 
 
“Contractor” 
 
WEST YOST & ASSOCIATES, INC., 
a California corporation  
 
 
By:  
 
 
 
 
 
 
 
 
 
 
 
 
Name:  
 
 
 
 
 
 
DATE 
Its: