04 15 26 DS - Amendment and Change Order to Construction Manager at Risk Agreement - Chasse Building Team, Inc.

City of Tolleson — City Council (2026-04-15)

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AMENDMENT AND CHANGE ORDER TO CONSTRUCTION SERVICES CONTRACT 
FOR CONSTRUCTION MANAGER AT RISK PROJECT 
 
 
THIS AMENDMENT AND CHANGE ORDER TO CONSTRUCTION SERVICES 
CONTRACT FOR CONSTRUCTION MANAGER AT RISK PROJECT 
(this “Amendment”) between the City of Tolleson, a municipal corporation (“CITY”) and 
Chasse Building Team, Inc., an Arizona domestic for profit (business) corporation 
(“CM@R”), (collectively, “the Parties”), is hereby entered into and shall be effective on 
the last signature date set forth below (the “Effective Date”). 
 
RECITALS: 
 
A. On or about August 26, 2025, the City and CM@R entered into that certain 
CONSTRUCTION SERVICES CONTRACT FOR CONSTRUCTION MANAGER 
AT RISK PROJECT (the “Contract”). 
 
B. The parties now desire to amend and change order the Contract as set forth in 
this Amendment. 
 
NOW, THEREFORE, for good and valuable consideration, the CITY and CM@R agree 
as follows: 
 
1. CHANGE ORDER AND AMENDMENT. The parties agree that the scope of the 
Project (as that term is used in the Contract) is amended and change ordered to 
include the addition of the design and construction of a retail building as shown 
and described on “Exhibit A” attached hereto and made a part hereof by this 
reference. The total cost of this amendment and change order (including all 
design and architecture services as well as construction costs) shall not exceed 
Three Million Dollars ($3,000,000).  
 
2.  ALL OTHER TERMS REMAIN UNCHANGED. All other terms and conditions of 
the Contract not expressly amended or revised by this Amendment shall remain 
in full force and effect except as otherwise provided for herein. 
 
IN WITNESS WHEREOF, the parties hereto have executed this instrument as of 
the 15th day of April, 2026.

CITY OF TOLLESON, an Arizona 
municipal corporation  
 
By: 
 
 
 
 
 
 
Name: 
 
 
 
 
 
Its: 
 
 
 
 
 
 
 
ATTEST: 
 
APPROVED AS TO FORM: 
 
 
 
 
 
 
 
  
 
 
__________________________ 
Crystal Zamora, City Clerk  
 
 
 
Justin Pierce, City Attorney  
 
CONSTRUCTION MANAGER AT RISK 
_________________________________ 
By: ______________________________ 
Title: _____________________________

EXHIBIT A 
TO 
AMENDMENT AND CHANGE ORDER TO  
CONSTRUCTION SERVICES CONTRACT 
BETWEEN 
THE CITY OF TOLLESON 
AND 
CHASSE BUILDING TEAM, INC. 
[Retail Building Conceptual Estimate] 
See following pages.

CITY OF TOLLESON
CONCEPTUAL ESTIMATE
PREPARED FOR: The City of Tolleson 
RETAIL BUILDING

Owner Name: City of Tolleson
Project Name: Retail Building for City of Tolleson
Estimate Type: Conceptual ROM
Low-Range
Mid-Range
High-Range
Element #1: Retail Building
Program Area
5,760 SF
Cost
$1,912,531
$2,125,034
$2,337,538
Cost / SF
$332
$369
$406
Element #2: Site Work
Program Area
12,356 SF
$352,177
$391,308
$430,439
Cost
$29
$32
$35
Cost / SF
TOTAL CONSTRUCTION COST
$2,264,708
$2,516,342
$2,767,977
Design / Preconstruction
$150,650
$150,650
$150,650
Design / Estimating Contingency
$74,702
$82,484
$90,267
CONSTRUCTION & DESIGN TOTAL
$2,490,060
$2,749,477
$3,008,893
3.5% Recommended Escalation For 2026-2027
3.5% Recommended Escalation For 2027-2028

5,760
12,356
SF
DIV
DESCRIPTION
Building
Sitework
Total Cost
$ / SF
1A
Project Requirements
21,250
3,913
25,163
4.37
$                           
1B
Survey, Layout, Locating & Potholing
1,728
3,775
5,503
0.96
$                           
3A
Concrete
128,160
11,802
139,962
24.30
$                         
4A
Masonry
278,905
0
278,905
48.42
$                         
5A
Structural Steel
181,440
0
181,440
31.50
$                         
6A
Rough Carpentry
18,432
0
18,432
3.20
$                           
7A
Insulation
17,280
0
17,280
3.00
$                           
7B
Roofing & Sheet Metal
103,680
0
103,680
18.00
$                         
7C
Metal Panels
59,400
0
59,400
10.31
$                         
7F
Caulking & Sealants
4,320
618
4,938
0.08
$                           
8A
Doors Frames & Hardware
33,120
0
33,120
5.75
$                           
8C
Glass & Glazing
65,520
0
65,520
15.17
$                         
8D
Operable Glass Partitions
57,600
0
57,600
1.74
$                           
9A
Framing & Drywall
74,016
0
74,016
12.85
$                         
9B
Stucco/EIFS
46,464
0
46,464
0.71
$                           
9F
Paint
25,920
0
25,920
4.50
$                           
10A
Specialties
2,950
0
2,950
0.51
$                           
10B
Signage
7,260
0
7,260
1.26
$                           
21A
Fire Protection
40,320
0
40,320
7.00
$                           
22A
Plumbing
126,720
0
126,720
22.00
$                         
23A
HVAC
76,320
0
76,320
13.25
$                         
26A
Electrical/Dry Utilities
172,800
79,780
252,580
6.26
$                           
26B
Fire Alarm & Emergency Responder Radio
17,280
0
17,280
0.14
$                           
27A
Special Systems 
0
0
0
0.00
$                           
31A
Earthwork & Paving
0
98,848
98,848
0.57
$                           
31B
Termite Control
576
0
576
0.03
$                           
32B
Landscaping
0
30,890
30,890
2.50
$                           
33A
Site Utilities
0
55,602
55,602
4.50
$                           
80A
General Conditions
148,752
27,392
176,144
14.26
$                         
Materials Testing & Special Inspections
6,500
3,500
10,000
1.74
$                           
Contingency
127,502
23,478
150,981
26.21
$                         
Liability Insurance
25,500
4,696
30,196
5.24
$                           
Builder's Risk Insurance
21,250
3,913
25,163
4.37
$                           
Payment & Performance Bond
23,375
4,304
27,680
4.81
$                           
Contractor Fee
95,717
17,626
113,343
19.68
$                         
Gross Receipts Tax
114,975
21,172
136,147
23.64
$                         
TOTAL CONSTRUCTION COSTS:
2,125,034
391,308
2,516,342
436.87
$                       
DESIGN / PRECONSTRUCTION:
150,650
DESIGN / ESTIMATING CONTINGENCY:
82,484
CONSTRUCTION & DESIGN TOTAL:
2,749,477
City of Tolleson
Retail Building for City of Tolleson
February 5, 2026
Mid-Range Cost Model