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4/29/2021
C22-0746 - 1
AMENDMENT NO. 1
On-Call Water/Wastewater Modeling - Immediate Needs
(COG Project No. 212237, Contract No. C22-0746)
This Amendment No. 1 (“Amendment”) to the Professional Services Agreement
(“Agreement”) is made this ______ day of ________, 20 , (“Effective Date”), by and
between the City of Glendale, an Arizona municipal corporation (“City”) and Black &
Veatch Corporation, a Delaware Corporation authorized to do business in Arizona
(“Contractor”).
RECITALS
A.
City and Black & Veatch Corporation (“Contractor”) previously entered into
Professional Services Agreement, Contract No. C22-0746, dated July 27, 2022
(“Agreement”); and
B.
Contractor shall continue to provide on-call Water and Wastewater Modeling
services on an as requested basis to confirm and/or identify water distribution or
collection system improvements needed to support intermediate and planned
development. Findings will be incorporated into a letter memo to the City with
recommendations for improvements.
C.
Contractor shall meet with the City annually to review and update both hydraulic
models and provide the City with an update model for record.
D.
All annual updates shall coincide with the City's fiscal calendar year, which is July 1
to June 30 of the following year. All annual updates shall be delivered at the end of
each fiscal year.
E.
City and Contractor wish to modify and amend the Agreement subject to and strictly
in accordance with the terms of this Amendment.
AGREEMENT
In consideration of the mutual promises set forth herein and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the City and
Contractor hereby agree as follows:
1.
Recitals. The recitals set forth above are not merely recitals, but form an integral
part of this Amendment.
2.
Term. The term of the Agreement is unchanged and shall expire on July 26, 2024.
3.
Scope of Work. See attached exhibit.
4.
Compensation. Including allowances, On-Call Water/Wastewater Modeling -
Immediate Needs resulted in a previous compensation of $44,900. Amendment 1
4/29/2021
compensation will result in an additional increase in compensation of $200,000 and
as shown in the attached Exhibit D (for a total compensation including allowances,
of $244,900.
5.
Insurance Certificate. Current certificate will expire on October 31, 2023 and a
new certificate applying to the extended term must be provided prior to this date to
Materials Management and the Contract Administrator.
6.
Non-discrimination. Contractor must not discriminate against any employee or
applicant for employment on the basis of race, color, religion, sex, national origin,
age, marital status, sexual orientation, gender identity or expression, genetic
characteristics, familial status, U.S. military veteran status or any disability.
Contractor will require any Sub-contractor to be bound to the same requirements as
stated within this section. Contractor, and on behalf of any subcontractors, warrants
compliance with this section.
7.
No Boycott of Israel. To the extent A.R.S § 35-393 through § 35-393.03 are
applicable, the parties hereby certify that they are not currently engaged in, and agree
for the duration of the Agreement to not engage in, a boycott of goods or services
from Israel, as that term is defined in A.R.S § 35-393.
8.
Attestation of PCI Compliance. When applicable, the Contractor will provide the
City annually with a Payment Card Industry Data Security Standard (PCI DSS)
attestation of compliance certificate signed by an officer of Contractor with oversight
responsibility.
9.
Ratification of Agreement. City and Contractor hereby agree that except as
expressly provided herein, the provisions of the Agreement shall be, and remain in
full force and effect and that if any provision of this Amendment conflicts with the
Agreement, then the provisions of this Amendment shall prevail.
[Signatures on the following page.]
4/29/2021
CITY OF GLENDALE, an Arizona
municipal corporation
___________________________________
Kevin R. Phelps, City Manager
ATTEST:
____________________________________
Julie K. Bower, City Clerk (SEAL)
APPROVED AS TO FORM:
____________________________________
Michael D. Bailey, City Attorney
Black & Veatch Corporation
A Delaware Corporation
By:
Lisa Jackson, P.E.
Its:
Vice President
COG On-Call Water and Wastewater Modeling | CITY OF GLENDALE
BLACK & VEATCH CORPORATION | City of Glendale – On-Call Water and Wastewater Modeling | 10/05/22
1
EXHIBIT A – PROJECT SUMMARY
After the completion of the 2021 Integrated Water Master Plan (IWMP), the City of Glendale (City) has
desires confirmation the water and wastewater hydraulic models will confirm existing infrastructure is
adequate to support the new / proposed development plans throughout the City. In addition, the City
desires the water and wastewater hydraulic models be updated annually to include changes made to
the distribution and collections systems to incorporate on-going improvements throughout the system.
COG On-Call Water and Wastewater Modeling | CITY OF GLENDALE
BLACK & VEATCH CORPORATION | City of Glendale – On-Call Water and Wastewater Modeling | 10/05/22
1
EXHIBIT B DESIGN SCOPE OF SERVICES
CITY OF GLENDALE – ON-CALL WATER AND WASTEWATER MODELING
BACKGROUND
The City of Glendale (City) has recently completed the 2021 Integrated Water Master Plan (IWMP) and is
currently having Black & Veatch (Engineer) complete immediate updates to the water and wastewater
hydraulic models to confirm that the 2021 IWMP Infrastructure is adequate to support immediate
development plans associated with various developments.
The purpose of this project is for the Engineer to provide as-requested analysis is to identify any
distribution system and/or collection system modifications which may be required due to the changes in
development plans and include:
1. Review and revise demands and flows as necessary for the proposed development
2. Update the Water Distribution Model and analyze system hydraulics (2025 and 2055 Maximum
Day and Fire Flow)
3. Update Collection System Model and evaluate system capacity (2025 and 2055)
4. Prepare brief letter memo with the results of the hydraulic analysis and infrastructure
recommendations (if needed)
In addition, the Engineer will annually update each hydraulic model (water and wastewater) to
incorporate additional projects undertaken by the City that may not have been incorporated.
The following work task are included in this scope of work.
SCOPE
PHASE 100 TASK: ON-CALL HYDRAULIC MODELING ANALYSIS
Engineer will be available to the City to provide on-call hydraulic modeling as requested. For each City
request, Engineer will provide the following sub-tasks. Engineer will utilize the latest version of the
InfoWater distribution and InfoSWMM collection models (initially will start from the 2021 IWMP models
and then utilize updated models as City-identified developments are completed and included as part of
Tasks 100 and 200).
Additionally, the hydraulic model could be used to analyze system operation alternatives, including, but
not limited to, the following:
•
Supply utilization – SRP/CAP supply balance (on/off project demands)
•
Drought impacts – including well improvements, etc.
•
Zone boundary valve operation / verification
SUBTASK A: DEMAND AND FLOW ANALYSIS
The City will provide Engineer with updated development plans (water and/or wastewater) for each
development / redevelopment.
Engineer will review development plans and will develop the corresponding water demands and
wastewater flow for the development using the unit rates from the 2021 IWMP. Wastewater flows will
COG On-Call Water and Wastewater Modeling | CITY OF GLENDALE
BLACK & VEATCH CORPORATION | City of Glendale – On-Call Water and Wastewater Modeling | 10/05/22
2
be estimated based on projected water demands and a selected water to wastewater return factors
from the 2021 IWMP. Engineer will compare the updated projected water demands / wastewater
loadings to the values used in the IWMP and will tabulate the differences noted from the IWMP and
developer values. Engineer will assess the impact of any changes on the water supply requirements and
wastewater treatment and flow path requirements.
SUBTASK B: DISTRUBTION HYDRAULICS
Using the current InfoWater distribution model as the starting basis, Engineer will:
1. Adjust demands in the model to reflect revised demands as determined in Subtask A.
2. Update hydraulic model to include and proposed water infrastructure to be completed as part of
the development.
3. All other assumptions developed as part of the IWMP will be used (demands, controls, etc.).
The model will be run under 2025 and 2055 demands to determine if adequate service (pressure and flow)
can be provided to the development and adjacent areas under maximum day (MD) and fire flow
conditions. Engineer will determine the extent (diameter and configuration) to which infrastructure must
be revised, if at all, to accommodate the revised demands. Engineer will incorporate distribution system
improvements if deficiencies are found in either MD or fire flow performance and re-run the model to
ensure that adequate performance has be achieved. Engineer will prepare focused output plots and
tables showing the MD pressure and available fire flow.
SUBTASK C: COLLECTION SYSTEM HYDRAULICS
Using the current InfoSWMM collection system model as the starting basis, Engineer will:
1. Adjust loadings in the model to reflect revised demands as determined in Subtask A.
2. Update hydraulic model to include any proposed wastewater infrastructure to be completed as
part of the development.
3. All other assumptions developed as part of the IWMP will be used (loadings, controls, etc.).
The model will be run under 2025 and 2055 flows to determine if adequate capacity exists to serve the
development and adjacent areas under peak wet weather flows. Engineer will assess the performance of
the collection system considering the new loads developed in Subtask A. Engineer will determine the
adequacy of the current master plan collection system and modifications, if any, which would be
recommended for sewer diameter, slope, and or configuration to accommodate the planned
development. Engineer will prepare focused model output showing the flow path and d/D loading of the
related sewer lines.
SUBTASK D: DEVELOPMENT CONCLUSION AND RECOMMENDATIONS
Engineer will provide initial model results and draft of the letter memo with recommended improvements
to the City for review and comment. Letter memo / email will include model plots and tables to provide
the City and Developers with pertinent information. Following discussions, Engineer will revise and re-
run the model set-up if necessary, to incorporate City comments and produce a final letter memo / email
with modeling results and recommendations.
COG On-Call Water and Wastewater Modeling | CITY OF GLENDALE
BLACK & VEATCH CORPORATION | City of Glendale – On-Call Water and Wastewater Modeling | 10/05/22
3
PHASE 200 – ANNUAL HYDRAULIC MODEL UPDATES
While it is anticipated each hydraulic model will be regularly updated as a result of City requested
inquiries in Phase 100, annual hydraulic model updates are still anticipated. Annually, City and Engineer
will meet to identify linear infrastructure and other projects / improvements that have been or will soon
be completed to update each hydraulic model (water and wastewater). After the meeting, the Engineer
will update the hydraulic model to include the identified infrastructure projects. Upon completion,
Engineer will provide the City with a copy of each updated model for record. Effort associated with each
annual update will be dependent upon the amount of construction completed during the fiscal year.
Following submittal of the updated annual model task, Engineer will utilize that version of the model as
basis for subsequent Phase 100 requests.
PHASE 300 – PROJECT MANAGEMENT
Engineer will provide overall contract administration for the project services presented herein. Monthly
invoices will be prepared and submitted to the City’s project manager. Status reports will be prepared
and submitted along with each monthly invoice. The status reports will identify what work has been
performed during the billing period and the completion status of major tasks.
SUPPLEMENTAL SERVICES
Owner’s Allowance (A-1) – If additional work requested by City to conduct hydraulic or flow analysis using
either the water or wastewater model that extends beyond the contract value, the work will be completed
under the Allowance or project amendment. Engineer will not move forward with any additional work
until receipt from the City in writing to perform the work.
EXHIBIT C - SCHEDULE
Engineer will confirm the City with the anticipated schedule to complete each requested Task 100 at the
time of the request, but tasks are anticipated to take two (2) to four (4) weeks after receipt of requested
information.
Task 200 will be completed annually to correspond with the end of the City’s fiscal year; work anticipated
to start 8-12 weeks prior to end of the fiscal year to provide adequate time for City review and comment.
Task 300 is concurrent for the duration of the project.
EXHIBIT D - BUDGET
See attached Level of Effort in Exhibit D; original agreement method (time and materials, not-to-exceed
basis) for contract C-22-0746 remains in place.
EXHIBIT D
Owner:
Project: On-Call Water & Wastewater Modeling - Amendment #1
PHASE/Task
SUBTOTAL,
Billings $
SUBTOTAL,
EXPENSES
SUBTOTAL,
SUBS
TOTAL Billings
(Billing Rate, $$,Hr.)
WORK BREAKDOWN STRUCTURE
PHASE
On-Call Hydraulic Modeling
0100
108,180
$
1,176
$
-
$
109,356
$
Annual Hydraulic Model Updates
0200
32,994
$
366
$
-
$
33,360
$
Project Management
0300
7,180
$
104
$
-
$
7,284
$
Total, Hours
Total, Billings
FALSE
148,354
$
1,646
$
-
$
150,000
$
Owner's Allowance
50,000
$
Total, Billings Amendment #1 with Owner's Allowance
200,000
$
Original Contact Amount (C-22-0746) for Immediate Needs
44,900
$
Total, Contract Amount (Original Contact + Amendment #1 + Owner's Allowance)
244,900
$
City of Glendale
Black & Veatch Corporation
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