Item 4F-4G Attachement CPage 1
AGREEMENT FOR ENGINEERING SERVICES
THIS AGREEMENT is made this _____ day of ____________, 2023 by and
between the City of Southlake, Texas (hereinafter referred to as “CITY”), and Freese
and Nichols, Inc. (hereinafter referred to as “ENGINEER”).
WHEREAS, CITY contemplates the need to proactively plan for the ultimate
buildout conditions with respect to water supply and distribution, and 2012 being the
last comprehensive update to the CITY’s water model and Capital Improvements Plan,
this project is to be known as the 2023 Water Master Plan Update project and
hereinafter referred to as the “Project”.
WHEREAS, ENGINEER is qualified, able, and desirous of performing the
necessary engineering work upon which the Project is based and is willing and able to
work with CITY staff to organize and coordinate the professional services necessary to
complete the Project.
NOW, THEREFORE, CITY engages ENGINEER to perform, and ENGINEER
agrees to perform, the engineering work for the Project, as more fully described herein
below, and CITY agrees to pay as compensation, and ENGINEER agrees to accept as
compensation, the payments on the dates and in the amounts herein specified, all in
accordance with the terms more fully set out below and as provided in Attachment A
which is attached hereto and incorporated by reference as if fully set forth herein.
I. ARTICLE
ENGINEERING SERVICES
A. Scope of Work
ENGINEER will provide the supervision, direction, personnel and equipment to
perform the engineering Services outlined in Attachment A in accordance with the terms
set forth in this Agreement and in Attachment A.
B. Definitions
Services refer to the professional services performed by ENGINEER pursuant to
this Agreement.
C. Changes
CITY, without invalidating the Agreement, may order changes within the general
scope of the work required by the Agreement by altering, adding to and/or deducting
from the work to be performed. If any change causes an increase or decrease in
ENGINEER’s cost of, or the time required for, the performance of any part of the
Services under the Agreement, an equitable adjustment will be made by mutual
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agreement and this Agreement shall be modified in writing accordingly.
D. Coordination with Owner
The CITY shall make available to ENGINEER for use in performing Services
hereunder all existing plans, maps, field notes, statistics computations and other data in
the CITY’s possession relative to existing facilities and to the Project.
E. Site and Local Conditions
ENGINEER has the right to examine the site in order to become acquainted with
local conditions and accepts conditions at the site unless otherwise noted in writing to
the CITY. Any coordination or scheduling of work by CITY shall not relieve ENGINEER
from its responsibilities specified hereunder. Necessary arrangement for access to any
site by ENGINEER’s employees will be made with CITY.
F. Assignment and Subcontractors/Third Party Rights
The rights and obligations covered herein are personal to each party hereto and
not to any third party and for this reason neither this Agreement nor any contract
hereunder shall be assigned by either party in whole or in part; nor shall ENGINEER
subcontract any of its obligations under this Agreement without the prior written consent
of CITY.
G. Independent Contractor
ENGINEER covenants and agrees that it will perform the work hereunder as an
independent contractor, and not as an officer, agent, servant, or employee of CITY; that
ENGINEER shall have exclusive control of and exclusive right to control the details of
the work performed hereunder, and all persons performing same, and shall be solely
responsible for the acts and omissions of its officers, agents, employees, contractors,
subcontractors, and consultants; that the doctrine of respondent superior shall not apply
as between CITY and ENGINEER, its officers, agents, employees, contractors,
subcontractors, and consultants, and nothing herein shall be construed as creating a
partnership or joint enterprise between CITY and ENGINEER.
H. Disclosure
By signature of this contract, ENGINEER warrants to CITY that it has made full
disclosure in writing of any existing conflicts of interest or potential conflicts of interest,
including personal financial interests, direct or indirect, in property abutting the
proposed Project and business relations with abutting property owners. ENGINEER
further warrants that it will make disclosure in writing of any conflicts of interest that
develop subsequent to the signing of this contract and prior to final payment under the
contract. Finally, Engineer warrants that it has submitted to the City a completed
Conflicts of Interest Questionnaire as required by Chapter 176 of the Texas Local
Government Code.
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I. Approval by CITY
Approval by CITY of this Agreement shall not constitute or be deemed to be a
release of the responsibility and liability of ENGINEER, its officers, agents, employees,
and subcontractors for the accuracy and competency of the Services performed under
this Agreement, including but not limited to surveys, designs, working drawings and
specifications and other engineering documents.
Such approval shall not be deemed to be a waiver or an assumption of such
responsibility and liability by CITY for any negligent act, error, or omission in the
performance of ENGINEER’s professional services or in the conduct or preparation of
the subsurface investigations, surveys, designs, working drawings and specifications or
other engineering documents by ENGINEER, its officers, agents, employees and
subcontractors, it being the intent of the parties that approval by CITY signifies the
CITY’s approval of only the general design concept of the Improvements to be
constructed.
J. Indemnification
ENGINEER SHALL AND DOES HEREBY AGREE TO INDEMNIFY AND HOLD
HARMLESS CITY, ITS OFFICERS, AGENTS, AND EMPLOYEES FROM ANY AND
ALL DAMAGES, LOSS OR LIABILITY OF ANY KIND WHATSOEVER, BY REASON
OF DEATH OR INJURY TO PROPERTY OR PERSON CAUSED BY ANY OMISSION
OR NEGLIGENT ACT OF ENGINEER, ITS OFFICERS, AGENTS, EMPLOYEES,
INVITEES, OR OTHER PERSONS FOR WHOM IT IS LEGALLY LIABLE, WITH
REGARD TO THE PERFORMANCE OF THIS CONTRACT, AND ENGINEER WILL,
AT ITS COST AND EXPENSE, DEFEND, PAY ON BEHALF OF, AND PROTECT CITY
AND ITS OFFICERS, AGENTS, AND EMPLOYEES AGAINST ANY AND ALL SUCH
CLAIMS AND DEMANDS. THE PROVISIONS OF THIS SECTION ARE SUBJECT TO
THE LIMITATIONS OF TEXAS LOCAL GOVERNMENT CODE SECTION 271.904
AND SHALL BE CONSTRUED TO THAT EFFECT.
K. No Third Party Beneficiary
For purposes of this Agreement, including its intended operation and effect, the
parties specifically agree and contract that: (1) this Agreement only affects
matters/disputes between the parties to this Agreement, and is in no way intended by
the parties to benefit or otherwise affect any third person or entity (except the
indemnitees identified or described in Article I, Section J., above), notwithstanding the
fact that such third person or entities may be in a contractual relationship with CITY and
ENGINEER, or both; and (2) the terms of this Agreement are not intended to release,
either by contract or operation of law, any third person or entity from obligations they
owe to either CITY or ENGINEER.
L. Successors and Assigns
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CITY and ENGINEER each bind themselves and their successors, executors,
administrators and assigns to the other party to this Agreement and to the successors,
executors, administrators and assigns of such other party with respect to all covenants
of this Agreement. Neither CITY nor ENGINEER shall assign or transfer its interest in
this Agreement without prior written consent of the other.
II. ARTICLE
CITY’S RESPONSIBILITIES
CITY will:
1. Provide full information as to CITY’s requirements for the Project;
2. Assist ENGINEER by placing at ENGINEER’s disposal all information in
CITY’s control or knowledge which is pertinent to the Project, including
executed right-of-way easements and final field survey data;
3. Examine all work presented by ENGINEER and respond within
reasonable time and in writing to the material submitted by ENGINEER;
4. Pay all costs incident to advertising for obtaining bids or proposals from
Contractors;
5. Give prompt written notice to ENGINEER whenever CITY observes or
otherwise becomes aware of any defect in ENGINEER’s work or in
Contractor’s work;
6. Designate in writing a person to act as its representative with respect to
this Agreement, such person having complete authority to transmit
instructions, receive information, and make or interpret the CITY’s
decisions;
7. Provide all information and criteria as to the CITY’s requirements,
objectives, and expectations for the Project including all numerical criteria
that are to be met and all standards of development, design, or
construction.
8. Provide to the ENGINEER all previous studies, plans, or other documents
pertaining to the Project and all new data reasonably necessary in the
ENGINEER’s opinion, such as site survey and engineering data,
environmental impact assessments or statements, zoning or other land
use regulations, etc., upon all of which the ENGINEER may rely; and
9. Arrange for access to the site and other private or public property as
required for the ENGINEER to provide its services.
10. Provide any other information or assistance as outlined in Attachment B
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through Attachment F3 hereto.
III. ARTICLE
COMPENSATION FOR ENGINEERING SERVICES
The CITY shall compensate ENGINEER for services rendered under this
Agreement, in accordance with the following:
For the completion of the work contemplated in Article I, the ENGINEER shall be
paid on a lump sum basis in the amount of $202,400 for Basic Services and on an
hourly basis plus expenses in an amount not to exceed $0 (as outlined in the attached
proposal) with a total not to exceed cost ceiling of $202,400 as billed monthly by
ENGINEER.
IV. ARTICLE
TIMES OF BILLING AND PAYMENT
The ENGINEER shall bill CITY monthly for any services and expenses incurred
in accordance with the work performed subject to the limits set out in Article III.
Payment shall be due within thirty (30) days of receipt by CITY of a properly prepared
and correct invoice from ENGINEER. ENGINEER’s invoices shall be accompanied by
such records or other written proof as CITY deems necessary to verify the billings.
Invoices shall be made to City Finance Department’s office at 1400 Main Street,
Suite 440, Southlake, Texas 76092.
If CITY fails to make payment due ENGINEER within thirty (30) days of the day
when payment for services and expenses is due under the terms of this Agreement,
ENGINEER shall be entitled to interest on such unpaid sums at the rate provided in
Chapter 2251 of the Texas Government Code.
V. ARTICLE
ADDITIONAL ENGINEERING SERVICES
In addition to performing the engineering services set out in Article I, hereof,
ENGINEER agrees to perform additional services as requested by CITY from time to
time and CITY agrees to compensate ENGINEER for such services in accordance with
ENGINEER’s standard hourly fee and expenses (see Appendix 1) for actual time
expended and actual out-of-pocket sums expended, such services to be one or more of
the following:
1. Make or prepare detailed description of sites, maps, or drawings related
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thereto and outside the scope of the Project;
2. Appearances before courts or boards on matters of litigation or hearings
related to the Project;
3. Preparation of environmental impact assessments or statements for any
governmental agency;
4. Miscellaneous engineering work for CITY not related to the Project;
5. To provide resident project construction inspection, unless such
inspection is not required, in writing, by the CITY;
6. Other services agreed to by the parties in writing and incorporated herein.
VI. ARTICLE
STANDARD OF CARE
In performing its professional services, the ENGINEER will use that degree of
care and skill ordinarily exercised, under similar circumstances, by reputable members
of its profession in the same locality at the time the services are provided and in
accordance with any applicable governmental laws, regulations and ordinances.
VII. ARTICLE
PERIOD OF SERVICE
This Agreement shall be effective upon execution by CITY and ENGINEER, and
shall remain in force until work is completed on the Project or until terminated under the
provisions hereinafter provided in Article VIII.
VIII. ARTICLE
TERMINATION
The CITY may terminate this Agreement at any time for convenience, with or
without cause by giving written notice to the ENGINEER. Such termination may be
made effective on such future date as agreed by the parties, but absent such
agreement shall be immediate. Upon receipt of such notice the ENGINEER shall
immediately discontinue all services and work and the placing of all orders or the
entering into contracts for supplies, assistance, facilities, and materials in connection
with the performance of this Agreement and shall proceed to cancel promptly all
existing contracts insofar as they are chargeable to this Agreement.
The ENGINEER, upon termination, shall be paid for all services rendered
through the date of termination together with any additional reimbursable expense then
due.
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IX. ARTICLE
OWNERSHIP OF DOCUMENTS
1. All completed or partially completed reports prepared under this
Agreement, including the original drawings in both paper and electronic
formats, shall become the property of CITY if this Agreement is
terminated. Upon completion and payment of the contract, the final
design, drawings, specifications and documents in both paper and
electronic formats shall be owned by CITY.
2. Reuse, change or alteration by CITY or others acting by or on behalf of
CITY of such documents without the permission of ENGINEER shall be at
CITY’s sole risk.
X. ARTICLE
INSURANCE
ENGINEER shall carry and maintain at all times relevant hereto, at ENGINEER’s
expense, insurance of the type and of minimum coverage limits as follows:
1. Workers Compensation - Statutory Employer’s Liability - Limits as
required by the State of Texas.
2. Comprehensive General Liability, Bodily Injury and Property Damage
including contractual liability in a combined single limit - $500,000 per
occurrence.
3. Comprehensive Automotive Liability, Bodily Injury and Property Damage
in a combined single limit - $1,000,000 per accident.
Certificates of insurance for the above coverage in a form acceptable to CITY,
evidencing the coverage required above, shall be provided to CITY within ten (10)
business days after execution of this Agreement and prior to issuing Notice to Proceed.
Such certificates shall provide that the insurer will give CITY not less than ten (10) days
notice of any material changes in or cancellation of coverage. In the event any
subcontractor of ENGINEER, with or without CITY’s consent, provides or renders
services under this Agreement, ENGINEER shall ensure that the subcontractor’s
services are covered by the same insurance limits as set forth above.
ENGINEER shall not commence work under this Agreement until it has obtained
Professional Liability (Errors and Omissions) Insurance as required hereunder and such
insurance coverage has been approved by CITY. Such insurance shall be in the
minimum amount of $1,000,000 and shall include coverage of Contractually Assumed
Liability. The insurance coverage prescribed herein shall be maintained until one (1)
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year after CITY’s acceptance of the construction project and shall not be canceled
without prior written notice to CITY. In this connection, upon the signing and return of
this Agreement by ENGINEER, a Certificate of Insurance shall be furnished to CITY as
evidence that the insurance coverage required herein has been obtained by
ENGINEER, and such certificate shall contain the provision that such insurance shall
not be cancelled or modified without thirty (30) days prior written notice to CITY.
ENGINEER shall notify CITY within ten (10) days of any modification or alteration in
such Professional Liability (Errors and Omissions) Insurance.
XI. ARTICLE
AUTHORIZATION, PROGRESS AND COMPLETION
CITY and ENGINEER agree that the Project is planned to be completed as
expeditiously as possible. ENGINEER shall employ manpower and other resources,
and use professional skill and diligence to meet the schedule; however, ENGINEER
shall not be responsible for schedule delays resulting from conditions beyond its
control. By mutual agreement, CITY and ENGINEER may modify the Project schedule
during the course of the Project and if such modifications affect ENGINEER’s
compensation, it shall be modified accordingly, subject to CITY’s approval.
It is understood that this Agreement contemplates full and complete engineering
services for this Project, including any and all Services necessary to complete the work.
For additional Engineering Services, the authorization by CITY shall be in writing and
shall include the definition of the services to be provided, the schedule for commencing
and completing the services, and the basis for compensation as agreed upon by CITY
and ENGINEER.
XII. ARTICLE
NOTICE
Any notice required under this Agreement will be in writing and given either
personally, by registered or certified mail, return receipt requested, or by a nationally
recognized overnight courier service, addressed to the parties as follows:
If to CITY: Shana Yelverton
City Manager
City of Southlake
1400 Main Street, Suite 460
Southlake, Texas 76092
Phone: 817-748-8400
Fax: 817-748-8010
If to ENGINEER: Scott Cole, P.E.
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Principal | Vice President
Freese and Nichols, Inc.
4055 International Plaza, Suite 200
Fort Worth, Texas 76109
Phone: (817) 735-7300
Email: sac@freese.com
All notice shall be effective upon the date of receipt.
XIII. ARTICLE
SEVERABILITY
In the event that any provision of this Agreement shall be found to be void or
unenforceable, such finding shall not be construed to render any other provisions of this
Agreement either void or unenforceable. All provisions, which are void or
unenforceable, shall not substantially affect the rights or obligations granted to or
undertaken by either party.
XIV. ARTICLE
VENUE-LAW
Venue of any suit or cause of action under this Agreement shall lie exclusively in
Tarrant County, Texas. This Agreement shall be construed in accordance with the laws
of the State of Texas.
IN WITNESS WHEREOF the parties have caused this Agreement to be
executed in two equal originals on the date and year first above mentioned.
CITY OF SOUTHLAKE:
By: _________________________________
John Huffman, Mayor
ATTEST:
By: _________________________________
City Secretary
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ENGINEER: FREESE AND NICHOLS, INC.
By: _____________________________________
Scott A. Cole, P.E., Principal | Vice President
THE STATE OF TEXAS §
COUNTY OF TARRANT §
Before me on this day personally appeared ______________ known to me [or
proved to me on the oath of _______________ or through ___________________
(description of identity card or other document)] to be the person whose name is
subscribed to the foregoing instrument and that he/she is the duly authorized
______________________ of _____________________________, and acknowledged
to me that he/she executed the same for the purposes and consideration therein
expressed.
Given under my hand and seal of office this _____ day of __________,
A.D.______.
______________________________________
(SEAL) Notary Public, State of Texas
____________________________________
Notary’s Name Printed
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City of Southlake
Water Master Plan Update - Scope of Services DRAFT
April 5, 2023 UPDATED
Project Background: This project is an update to the City’s 2012 Water Master Plan in order to proactively
plan for the future of the distribution system in the City of Southlake. The master plan process will update
the future demand projections, update the hydraulic water model, and provide an updated Capital
Improvements Plan. As the City approaches its ultimate buildout conditions, the Master Plan update will
focus more on operational optimization, water quality measures, and long-term sustainability rather than
growth or facility expansion drivers. FNI will compare proposed projects to projects in the 2012 Master
Plan to determine if they are still needed or can be removed from the City’s long-term plan.
BASIC SERVICES
Task A. Project Management and Data Collection
A.1 Administration: Perform general administration duties with the project, including progress
meeting scheduling, general correspondence, office administration, and monthly invoicing.
A.2 Project Kick-off Meeting: FNI will conduct a kick-off meeting with the City to discuss and solicit
input for objectives and goals of the project. The team will also review project scope, schedule,
communication, and present a data request memorandum.
A.3 Document Control: FNI has established Document Control procedures to enable proper
recordkeeping and retrieval. The Document Control procedures use a standardized electronic and
paper file index, set up at the outset of the project. Protocols are observed for electronic and
paper records, confidentiality and security, and proper distribution and retention. Documents will
be assigned unique names and the filename and path included in the footer of each document.
A.4 Monthly Progress Reports: A Monthly Status Report will be submitted, summarizing progress
against specific tasks and scheduled tasks to be accomplished in the upcoming month; outlining
upcoming key decisions which will require input from, or discussion with, City staff; and listing any
problems or unresolved issues.
A.5 Data Collection: FNI will compile information from the City including GIS files, as-built, work order
data and preliminary design drawings for projects currently under design. FNI will review the data
request memorandum with the City to determine what data and data format is available from the
City. FNI will obtain input on customer complaints to determine areas of pressure concerns during
summer and winter conditions.
Task B. Water Demand Projections for Existing and Future Conditions
B.1 Utilize Data from City to Update Existing Population and Commercial Development and Water
Demands: FNI will geocode the water billing meter data. FNI will utilize existing water meters,
water account data, aerial mapping, and planning data from the City to estimate existing
population and commercial development and distribution throughout the water service area. FNI
will review historical water demand to estimate existing average and peak water demand and
allocate these needs throughout the system.
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B.2 Utilize City-Provided Land Use Assumptions for Future Conditions: FNI will utilize the City’s
Comprehensive Plan and other recent updates to document land use assumptions for residential
and commercial growth for existing, 5-year, 10-year, and ultimate buildout conditions based on
the delineated service areas. City staff will provide FNI with updated Future Land Use
Assumptions through the buildout planning condition.
B.3 Develop Water Demand Projections: FNI will use the land use assumptions, historical usage data
and input from the City’s staff to develop water demands for existing, 5-year, 10-year and ultimate
buildout conditions for residential and commercial land uses. FNI will develop the water demands
utilizing per-capitas, peaking factors values comparable to those used for modeling and planning
in other cities in the region, and in accordance with TCEQ guidelines.
B.4 Meet with the City to Review the Updated Demand Projections: FNI will prepare for and conduct
a meeting with City staff on the updated population and water demand projections.
Task C. City-wide All Pipes Water Model Rebuild and Calibration
C.1 Evaluate GIS for Completeness for Developing All-Pipes Water Model: FNI will analyze the most
recent water GIS information and historical mapping data to determine additional attribute data
needs or connectivity corrections needed for water model development.
C.2 Conduct Modifications to GIS Data to Fix Connectivity Problems throughout Selected Water
Lines: FNI will run node connection routines on all selected lines to be modeled and conduct
adjustments to fix all connectivity problems.
C.3 Develop Water System Model to Include All Pipes: FNI will update the water model using the
Innovyze InfoWater software using the current GIS lines and as-built drawings of pumping,
storage and control valve facilities. The all-pipes model will consist of all lines that are currently
in the GIS plus recently constructed lines that may not appear in the GIS.
C.4 Assign Attribute Data to Water Model Pipes and Nodes: FNI will assign GIS based IDs to all nodes
and pipes in the hydraulic model based on GIS IDs to maintain a 1:1 relationship. Nodes will be
attributed to provide data flagging for source reference. Nodes will also be assigned a point
type, elevation, pressure plane, and installation year if available. Each pipe in the hydraulic
model will be assigned a diameter, roughness coefficient, and pressure plane. Additional
information will include, if available, installation year, and waterline material.
C.5 Update Facilities Data in Model: FNI will update the water model to include most current facility
information such as on-site piping configuration, pump curves, pumping rates, storage tank
dimensions, and valve types/operating parameters.
C.6 Update Diurnal Curves in Model: FNI will update the diurnal curve information for each model
node in the hydraulic model. Curves include residential and non-residential curves, and large
users for each pressure plane.
C.7 Update Demand Distribution Based on Available Geocoding Billing Meter Data: FNI will assign
and distribute water demands based on the latest round of geocoded billing meter data. FNI will
utilize the data to assign demand for up to three different demand scenarios. Nodes will be
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attributed to provide data flagging for future reference.
C.8 Update Model Scenario Controls: FNI will replicate pump and valve controls for up to three
demand scenarios to simulate operating conditions in the distribution system. FNI will use the
existing GIS pressure plane value statuses to identify pipes to be closed acting as divider valves
between pressure planes.
C.9 Distribute Future Water Demands throughout the City in the Model: FNI will distribute the water
demands for each planning period throughout City using the information developed in Task B.
Identified large industrial and commercial demands will be distributed as point loads in the
water system model.
C.10 Conduct EPS Model Calibration: FNI will conduct a 24-hour extended period simulation model
calibration by adjusting c-factors, peaking factors, diurnal curves, and demand distribution until
modeling results match the field pressure measurements and pump/tank operation. FNI will
provide comparison graphs and mapping to document model calibration results.
Task D. Conduct Water System Performance Analysis for Existing and Future Conditions
D.1 Perform Average Day EPS Modeling of Existing System: FNI will utilize SCADA data from typical
average day demand system operation to develop an existing system average day EPS simulation.
FNI will conduct EPS modeling of the existing water system for average day operating conditions
to evaluate tank cycling, system pressures and deficiencies within the existing water system.
D.2 Perform Maximum Day EPS Modeling of Existing System: FNI will utilize SCADA data from typical
maximum day demand system operation to develop an existing system maximum day EPS
simulation. This scenario will include the peak hour demand condition. FNI will conduct EPS
modeling of the existing water system for maximum day operating conditions to evaluate tank
cycling, system pressures, and deficiencies within the existing water system.
D.3 Conduct Fire Flow Analysis for Existing System: FNI will utilize the existing water system model to
conduct fire flow analysis under existing maximum day demands to identify areas with less than
adequate fire flow capacity. A minimum fire flow of 1,000 gpm will be used for analysis. The City
will provide fire flow requirements for customers with required fire flows greater than 2,000 gpm,
where available. Mapping of available hydrant fire flows will be overlaid on the existing water
system mapping.
D.4 Evaluate TCEQ Capacity Requirements Compliance: FNI will evaluate the system by pressure
plane for compliance with the TCEQ Chapter 290 water system capacity requirements. FNI will
analyze production capacity, pumping capacity, elevated storage capacity, and total storage
capacity by pressure plane to determine if any deficiencies exist.
D.5 Evaluate Existing Pressure Plane Delineation: FNI will analyze existing pressure plane delineation
based on modeling results, field testing data and water supply locations. Evaluate and
recommend modifications to the existing pressure plane boundaries. FNI will present mapping
showing proposed water system pressures throughout City under new pressure plane boundary
alternatives vs. existing pressure plane delineation if boundary adjustments are recommended.
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D.6 Meet with the City on Existing Distribution System Performance Analysis: FNI will develop
mapping associated materials on the existing system analysis, including calibration results, system
deficiencies, and fire flow results. FNI will meet with the City to discuss the results of the existing
system evaluation and identify potential level of service targets.
D.7 Develop Water System Improvement Alternatives for Future Conditions: FNI will develop the
following future scenarios to identify water infrastructure needs:
· Future water scenarios include:
o 5-year maximum day + peak hour model
o 10-year maximum day + peak hour model
o Buildout average day model
o Buildout maximum day + peak hour model
FNI will utilize these models to simulate a number of system improvement alternatives to meet
future planning periods. Water system facilities and lines will be sized to meet maximum day
demands, peak hour demands and to provide adequate fire flows of at least 1,000 gpm under
maximum day demand conditions.
D.8 Perform Water Age Modeling for the Distribution System: FNI will conduct water age modeling
for the distribution system for up to three different operational scenarios using the operational
controls developed in the performance modeling. FNI will run the EPS water age model for
adequate simulation duration to ensure a repeating pattern of water age. FNI will use the EPS
model to investigate potential operational modifications to reduce water age in areas of
concern. FNI will prepare large scale color-coded mapping showing the water age throughout
the system.
D.9 Conduct Source Trace Modeling: FNI will conduct source trace modeling for up to three
operational scenarios to identify mixing zones within the distribution system. FNI will prepare
large scale color-coded mapping showing the predicted mixing zones throughout the system.
This task does not include any chemical or chlorine residual analysis.
D.10 Utilize Water System Model to Evaluate System Reliability and TW King to Upper Pressure Plane
Evaluation: FNI will utilize the water model with proposed improvements to determine system
capacity for up to three outage scenarios and the specific scenario of infrastructure
requirements to supply the Upper Pressure Plane from TW King for redundancy. FNI will
evaluate the potential for additional wholesale supplier connections from neighboring utilities.
FNI will present reliability modeling results to the City and adjust the proposed system
improvements as needed to reduce the water system vulnerability from system outages.
D.11 Meet with City to Review Future System Analysis Results: FNI will meet with City to review
alternatives for future system improvements for the water system and proposed system
improvements to meet future water needs. FNI will prepare mapping to identify the need for
the improvements based on future system analysis results.
Task E. Water System CIP and Master Plan Report
E.1 Develop Draft Water Capital Improvement Plan (CIP) Costs, Phasing Plan and Mapping: FNI will
develop a draft CIP for the water system to address existing deficiencies while planning for
future buildout conditions. The developed projects will be compared to the 2012 Water Master
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Plan CIP list to determine if modifications are needed to the existing CIP list. The CIP will include
the scheduling of projects based upon water modeling requirements and reliability needs, and
mapping showing project locations. The CIP will also incorporate the recommendations from the
City’s Risk and Resiliency Assessment, where applicable. FNI will develop draft sets of
improvements in 5-year, 10-year, and ultimate buildout periods. FNI will develop planning level
costs for each proposed project. Costs will be in current year dollars and will include allowances
for engineering design, surveying, and contingencies.
E.2 Meet with the City to Discuss Draft Capital Improvement Plan: FNI will meet with the City to
discuss the recommended water system improvements for 5-year, 10-year, and ultimate
buildout planning periods.
E.3 Revise CIP and Prepare Draft Water System Master Plan Update Report: FNI will revise the
hydraulic modeling and CIP based upon the City’s comments and feedback and prepare a master
plan report discussing field test results, assumptions, water demand projections and
recommended capital improvement plans including phasing and costs of improvements. The
report will include colored maps showing proposed system improvements as well as GIS digital
copies. FNI will provide the City with three (3) copies of the draft report for review plus an
electronic PDF copy.
E.4 Finalize Water System Master Plan Update Report: FNI will conduct a comments review meeting
with City staff and will finalize the Master Plan Report based on feedback received. FNI will
provide the City with five (5) copies of the final report, and electronic PDF copy, and any
requested modeling/GIS files.
E.5 Public Involvement and Presentations: FNI will prepare for and attend up to four (4) public
meetings with various stakeholder groups to review and discuss the results and
recommendations of the Water Master Plan Update.
Task Task Name Labor Cost Expense Cost Total Cost
A Project Management and Data Collection $17,187 $1,144 $18,331
B Water Demand Projections for Existing and Future Conditions $17,233 $1,279 $18,511
C City-wide All Pipes Water Model Rebuild and Calibration $28,624 $1,833 $30,457
D Conduct Water System Performance Analysis for Existing and Future Conditions $73,827 $4,958 $78,785
E Water System CIP and Master Plan Report $49,993 $6,323 $56,317
$186,864 $15,537 $202,400
$186,864 $15,537 $202,400
Basic Services Total
GRAND TOTAL
City of Southlake
Water Master Plan Update
UPDATED 4/5/2023
Summary by Task DRAFT
Basic Services