04 22 25 DS - First Amendment to Agreement - Haydon Companies

City of Tolleson — City Council (2025-04-22)

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AMENDMENT NO. 1 TO 
AGREEMENT FOR DESIGN-BUILD SERVICES 
This Amendment No. 1 to Design-Build Contract (the “Amendment”) between City of 
Tolleson, an Arizona municipal corporation (“CITY”) and Haydon Companies, LLC, an Arizona 
limited liability company (the “Design-Builder”) 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 entered into a Design-Build Agreement dated July 22, 2024 with Design-
Builder (“Agreement”).  
B. 
Pursuant to the Agreement, the purpose of this Amendment is to establish a scope 
of work and fee schedule for the design phases, which are renamed herein. 
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 Design-Builder hereby agree as follows: 
1. 
The parties agree to amend Section 1.2.2 of the Contract, as follows: 
1.2.2.  
Pre-Construction Phase. The Pre-Construction Phase includes both the 
Pre-Design Phase and the Design Phase. During the Pre-Design Phase, the 
Design-Builder shall provide a 15% Cost Model and Design (CMD) as 
provided in Exhibit B.1. Once the 15% CMD is complete, the Parties may 
proceed to the Design Phase, which shall consist of: (i) 30% Schematic 
Design (SD); (ii) 60% Design Development (DD); (iii) 95%-100%  60%, 
90% and 100% design and budget for the pedestrian bridge, 
Construction Documents and (iv) Final Plans (CD), unless otherwise 
agreed to by the Parties. Design-Builder shall be compensated on a lump 
sum basis for each Design Phase. The Design-Builder shall not commence 
the next sequential design interval without first establishing a scope of 
work and fee schedule with the CITY. 
The CITY is under no obligation, legally or otherwise, to utilize the 
services of the Design-Builder following the conclusion of each design 
interval. The CITY does not guarantee any maximum or minimum 
services to be purchased. 
2.  
The parties agree to the amendments to Exhibit B as set forth in the attachments 
included herewith and incorporated herein by this reference.

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3. 
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. 
 
IN WITNESS WHEREOF, the Parties have executed this Contract as of the date first above 
written. 
CITY OF TOLLESON, ARIZONA 
a municipal corporation  
 
 
By:  
 
 
 
 
 
Its:  
 
 
 
 
 
ATTEST: 
______________________________ 
Crystal Zamora, City Clerk 
 
APPROVED AS TO FORM: 
_______________________________ 
Justin Pierce, City Attorney 
HAYDON COMPANIES, LLC.,  
an Arizona limited liability company 
 
By: _________________________________ 
Its: _________________________________

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EXHIBIT B 
PRE-CONSTRUCTION PHASE SERVICES 
Exhibit B.1 – 15% Cost Model and Design Scope of Services and Fee Proposal 
Exhibit B.2 – 60%, 90% and 100% design and budget for the pedestrian bridge 
 
Exhibit B.2 – 30% Schematic Design Scope of Services and Fee Proposal  
Exhibit B.3 – 60% Design Development Scope of Services and Fee Proposal 
Exhibit B.4 – 95% - 100% Construction and Final Documents Scope of Services and Fee 
Proposal

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EXHIBIT B.2 
60%, 90% and 100% design and budget for the pedestrian bridge 
 
The CITY agrees to compensate Design-Builder $713,561 for 60%, 90% and 100% design 
and budget for the pedestrian bridge.

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