HomeMy WebLinkAboutContract 43107 (2)C1TY SECRETI�RY
CONTRACT N0. �iJi �- � �
STATE OF TEXAS
COUNTY OF TARRANT
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KNOWN ALL BY THESE PRESENTS:
THIS AGREEMENT, entered into the ;� day of �!� , 20�� , by and
between the City of Fort Worth, a Texas home-rule municipality, acting herein by and through
its duly authorized Assistant City Manager, hereinafter called the "City", and CDM Smith Inc.
formerly lcnown as Camp Dresser and McKee Inc. (CDMS), an independent contractor
"Consultant" authorized to do business in Texas. City and Consultant may be refei-��ed to herein
individually as a Party, or collectively as the Parties.
WITNESSETH
That for and in consideration of mutual covenants and agreements herein contained, the Parties
hereto mutually agree as follows:
ARTICLE 1
SERVICES
Section 1.
Consultant hereby agrees to perfoim as an independent contractor the services set forth in the
Scope of Services attached hereto as Attachment "A". These services shall be perfoimed in
connection with Little Fossil Creek Floodplain Study SWS-046 ("Study").
Section 2.
Additional services, if any, will be requested in writing by the City. City shall not pay for any
worlc performed by Consultant or its subconsultants, subcontractors and/or suppliers that has not
been ordered in writing. It is specifically agreed that Consultant shall not be compensated for
any alleged additional worlc resulting from oral orders of any person.
ARTICLE 2
COMPENSATION
Consultant shall be compensated in accordance with the Fee Schedule shown in Attachment "B".
Payment shall be considered full compensation for all labor, materials, supplies, and equipment
necessary to complete the services described in Attachment "A". However the total fee paid by
the City shall not exceed a total of $366,880.00 unless the City and the Consultant mutually
agree upon a fee amount for additional services and amend this Agreement accordingly.
The Consultant shall provide monthly invoices to the City. Payment for services rendered shall
be due within thirty (30) days of the uncontested perfoimance of the particular services so
ordered and receipt by City of Consultant's invoice for payment of same.
OFFICIAL RECORD �
CITY SECR@TARY �
FT. WORTH, TX
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connection with the services for which payment is made, including any act or omission of the
City in connection with such services.
AItTICLE 3
TERM
Unless terminated pursuant to the terms herein, this Agreement shall be for a term of 12 months,
beginning upon the date of its execution, or until the completion of the subject matter
contemplated herein, whichever occurs first.
ARTICLE 4
I1�IDEPENI)E1�1T CONTRACTOR
Consultant shall operate hereunder as an independent contractoi�, and not as an officer, agent,
servant, or employee of the City. Consultant shall have exclusive control of and the exclusive
right to control the details of its work to be performed hereunder and all persons performing
same, and shall be solely responsible for the acts and omissions of its officers, agents,
employees, contractors and subcontractors. The doctrine of respondent superior shall not apply
as between City and Consultant, its officers, agents, employees, contractors, and subcontractors,
and nothing herein shall be construed as creating a partnership or joint venture between City and
Consultant.
ARTICLE 5
PROFE�SIONAL COIVIPETENCE AND INDEMNIFICATION
Section 1.
Work performed by Consultant shall comply in all aspects with all applicable local, state and
federal laws and with all applicable rules and regulations promulgated by the local, state and
national boards, bureaus and agencies. Approval by the City shall not constitute or be deemed to
be a release of the responsibility and liability of Consultant or its officers, agents, employees,
contractors and subcontractors for the accuracy and competency of its services performed
hereunder.
Seciion 2.
In accordance with Texas Local Government Code Section 271.904, the Consultant shall
indeinnify, hold harinless, and defend the City against liability for any damage caused by or
resulting from an act of negligence, intentional tort, intellectual property infringement, or failure
to pay a subcontractor or supplier committed by the Consultant or Consultant's agent, consultant
under contract, or another entity over which the Consultant's exercises control.
ARTICLE 6
INSURANCE
Section 1.
Professional Services
Consultant Agreement
Rev 1011.2011
Page 2 of 10
Consultant shall not commence work under this Agreement until it has obtained all insurance
required under this Article and the City has approved such insurance, nor shall Consultant allow
any subcontractor to commence work on its subcontract until all similar insurance of the
subcontractor has been so obtained and approval given by the City; provided, however,
Consultant may elect to add any subconsultant as an additional insured under its liability
policies.
Professional Liability
$1,000,000 per claim and aggregate.
Professional Liability insurance may be written on an occurrence or claims-
made basis. If coverage is written on a claims-made basis, the retroactive
date shall be coincident with or prior to the date of the contractual
agreement. The certificate of insurance shall state that the coverage is
claims-made and include the retroactive date. The insurance shall be
maintained for the duration of the contractual agreement, and for five (5)
years following completion of the service provided under the contractual
agreement, or for the warranty period, whichever is longer. An annual
cei�tificate of insurance submitted to the City shall evidence coverage.
Commercial General Liability
$1,000,000 each occurrence
$1,000,000 aggregate
Automobile Liability
$1,000,000 each accident (or reasonably
coverage if written on a split limits basis).
any vehicle used in the course of the Project.
Worker's Compensation
Coverage A: statutory limits
Coverage B: $100,000 each accident
$500,000 disease - policy limit
$100,000 disease - each employee
Section 2.
Additional Insurance Requirements
equivalent limits of
Coverage shall be on
a. Except for employer's liability insurance coverage under Consultant's workei's
compensation insurance policy, the City, its officers, employees and servants shall be
endorsed as an additional insured on Consultant's insurance policies.
b. Certificates of insurance shall be delivered to the City of Fort Worth, Attention: Ranjan
S. Muttiah, 1000 Throckmorton Street, Fort Worth, TX 76102, prior to commencement
of work.
Pirofessional Seivices
Consultant Agreement
Rev 10.11.20 ] 1
Page 3 of 10
c. Any failure on part of the City to request required insurance documentation shall not
constitute a waiver of the insurance requirements specified herein.
d. Each insurance policy shall be endorsed to provide the City a minimum thirty days
notice of cancellation, non-renewal, and/or material change in policy terms or coverage.
A ten days notice shall be acceptable in the event of non-payment of premium.
e. Insurers must be authorized to do business in the State of Texas and have a current
A.M. Best rating of A: VII or equivalent measure of financial strength and solvency.
f. Other than worker's compensation insurance, in lieu of traditional insurance, City
may consider alternative coverage or risk treatment measures through insurance pools
or risk retention groups. The City must approve in writing any alternaiive coverage.
g. Workers' compensation insurance policy(s) covering employees employed on the
Project shall be endorsed with a waiver of subrogation providing rights of recovery in
favor of the City.
h. City shall not be responsible for the direct payment of insurance premium costs for
Consultant's insurance.
i. Consultant's insurance policies shall each be endorsed to provide that such insurance
is primary protection and any self-funded or commercial coverage maintained by City
shall not be called upon to contribute to loss recovery.
j. In the course of the Agreement, Consultant shall report, in a timely manner, to City's
officially designated contract administrator any known loss occurrence v✓hich could
give rise to a liability claim or lawsuit or which could result in a property loss.
k. Consultant's liability shall not be limited to the specified amounts of insurance
required herein.
l. Upon the request of City, Consultant shall provide complete copies of all insurance
policies required by these Agreement documents.
ARTICLE 7
TRANSFER OR ASSIGNMENT
City and Consultant each bind themselves, and their lawful successors and assigns, to this
Agreement. Consultant, its lawful successors and assigns, shall not assign, sublet or transfer any
interest in this Agreement without prior written consent of the City.
A,RTICLE �
TERMINATION OF CONTRACT
Section l.
Professional Services
Consultant Agreement
Rev 10.11.2011
Page 4 of 10
City may terminate this Agreement for its convenience on 30 days' written notice. Either the
City or the Consultant for cause may terminate this Agreement if either Party fails substantially
to pei-form through no fault of the other and does not commence correction of such
nonperformance with 5 days of written notice and diligently complete the correction thereafter
Section 2.
If City chooses to terminate this Agreement under Article 8, upon receipt of notice of
termination, Consultant shall discontinue services rendered up to the date of such termination
and City shall compensate Consultant based upon calculations in Article 2 of this Agreement and
Exhibit "B" attached hereto and incorporated herein.
Section 3.
All reports, whether partial or complete, prepared under this Agreement, including any original
drawings or documents, whether furnished by the City, its officers, agents, employees,
consultants, or contractors, or prepared by Consultant, shall be or become the property of the
City, and shall be furnished to the City prior to or at the time such services are completed, or
upon termination or expiration of this Agreement.
,� ,
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(a) Consultant agrees that the City shall, until the expiration of three (3) years after final
payment under this Agreement, have access to and the right to examine any directly pertinent
books, documents, papers and records of Consultant involving transactions relating to this
Agreement. Consultant agrees that the City shall have access during normal working hours
to all necessary facilities and shall be provided adequate and appropriate workspace in order
to conduct audits in compliance with the provisions of this section. City shall give
Consultant reasonable advance notice of intended audits.
(b) Consultant further agrees to include in all its subcontracts hereunder, a provision to the effect
that the subcontracting consultant agrees that the City shall, until the expiration of three (3)
years after final payment under the subcontract, have access to and the right to examine any
directly pertinent books, documents, papers and records of such subconsultant, involving
ri•ansactions to the subcontract, and further, that City shall have access during normal
working hours to all subconsultant facilities, and shall be provided adequate and appropriate
work space in order to conduct audits in compliance with the provisions of this article. City
shall give Consultant and any subconsultant reasonable advance notice of intended audit.
(c) Consultant and subconsultants agree to photocopy such documents as may be requested by the
City. The City agrees to reimburse Consultant for the cost of copies at the rate published in the
Texas Administrative Code in effect as of the time copying is perfoi�rned.
ARTICLE 10
MINORITY AND WOMAN BUSINESS ENTERPRISE
(M/WBE) PARTICIPATION
Professional Seivices
Consultant Agreement
Rev 10.11.2011
Page 5 of 10
In accordance with City Ordinance No. 15530, the City has goals for the participation of
minority business enterprises and woman business enterprises ("M/WBE") in City contracts.
Consultant acknowledges the M/WBE goal established for this Agreement and its commitment
to meet that goal. Any misrepresentation of facts (other than a negligent misrepresentation)
and/or the commission of fraud by the Consultant may result in the termination of this
Agreement and debarment from participating in City contracts for a period of time of not less
than three (3) years.
A1tTICLE 11
OBSERVE AND COMPLY
Consultant shall at all times observe and comply with all federal, state, and local laws and
regulations and with all City ordinances and regulations which in any way affect this Agreement
and the work hereunder, and shall observe and comply with all orders, laws ordinances and
regulations which may exist or may be enacted later by governing bodies having jurisdiction or
authority for such enactment. No plea of misunderstanding or ignorance thereof shall be considered.
Consultant agrees to defend, indemnify and hold harmless City and all of its officers, agents and
employees from and against all claims or liability arising out of the violation of any such order, law,
ordinance, or regulation, whether it be by itself or its employees.
ARTICLE 12
VEloTUE AND JURISI)ICTION
If any action, whether real or asserted, at law or in equity, arises on the basis of any provision of
this Agreement, venue for such action shall lie in state courts located in Tarrant County, Texas or
the United States District Court for the Northern District of Texas — Fort Worth Division. This
Agreement shall be construed in accordance with the laws of the State of Texas.
ARTICLE 13
CONTRACT CONSTRUCTION
The Parties acknowledge that each party and, if it so chooses, its counsel have reviewed and
t•evised this Agreement and that the normal rule of construction to the effect that any ambiguities
are to be resolved against the drafting party must not be employed in the interpretation of this
Agreement or any amendments or exhibits hereto.
ARTICLE 14
SEVERABILITY
The provisions of this Agreement are severable, and if any word, phrase, clause, sentence,
paragraph, section or other part of this Agreement or the application thereof to any person or
circuinstance shall ever be held by any court of competent jurisdiction to be invalid or
unconstitutional for any reason, the remainder of this Agreement and the application of such
word, phrase, clause, sentence, paragraph, section, or other part of this Agreement to other
persons or circumstances shall not be affected thereby and this Agreement shall be construed as
if such invalid or unconstitutional portion had never been contained therein.
ARTICLE 15
Professional Services
Consultant Agreement
Rev 10.11.2011
Page 6 of 10
IVOTICES
Natices to be provideci hereunder shall be sufficient if forwarded to the other Party by hand-
delivery or via U.S. Postal Service certified mail return receipt requested, postage prepaid, to the
address of the other Party shown below:
City of Fort Worth
Attn: Ranjan S. Muttiah
Storm Water Management dept
1000 Throckmorton Street
Fort V�Iorth, Texas 76102
Consultant:
CDM Smith Inc.
Douglas L. Varner, P.E.
777 Taylor Street, Suite 1050
Fort Worth, Texas 76102
l�RTICLE 16
•1 -
The headings contained herein are for the convenience in reference and are not intended to
define or limit the scope of any provision of this Agreement
ARTICLE 17
, � � , � V
This Agreement may be executed in one or more counterparts and each counteipart shall, for all
puiposes, be deemed an original, but all such counterparts shall together constitute but one and
the same instrument.
(Remainder of Page Intentionally Left Blank)
Professional Seivices
Consultant Agreement
Rev 10.11.2011
Page 7 of 10
IN WITNESS THEREOF, the parties hereto have made and executed this Agreement in
multiple originals the day and year first above written, in Fort Worth, Tanant County, Texas.
CITY OF FORT WORTH:
- �,��• . _
Assistant City Manager
RECOMMENDED:
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Douglas . Wiersig, P.E., Direc�or
Department of Transportation and Public Works
APPROVED AS TO FORM AND
LEGALITY:
Douglas W. Blacic
Assistant City Attorney
M&C Na L�" 2�� �`� 5
M&C Date: Z 2 i. r z
ATTEST:
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Maiy
City :
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Date
Professional Services
Consultant Agreement
Rev 1 Q I 1.2011
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4FFICIAL RECORD
CITY SECRETARY
Page 8 of 10
FT. WORTH, TX
Form 406
(Revised 05/11)
Submit in duplicate to:
Secretary of State
P.O. Box 13697
Austin, TX 78711-3697
512 463-SS55
PAX; 5121463-5709 �
Filia� Fee: See instructions
space reserved for office use.
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In the Offic� of the
�ecretar�� aF �t�ie of Texas
Amendment to Registration
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�vrpo���i�ns ��c�io.�
Entity Information
1. The legal name of the filing entity is:
Camp Dresser & McKee Iac.
State the name of the entiry a's currently shown in the records of 1he secretary of state.
2. z�' the entity attained its registration under an assumed name, the quatifying assumed name as
shown on the records of the secretary of state is: .
3. The registration was issued to ttte entiry on: 11/22/1976 �
_ • , . mm/d�Ljryyy .
The file number issued to the fling entity by the secretary of state is:
Amendments �to Appfication
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4, The registz�ation is amended. to change the legal name of the entity as amended . iri the entity's
jurisdiction oi formation. The new name is: .
CDM Smith 1nc, � �
� S, The new name of the entity is not avaitable for use in Texas or faifs to include� an apprapriate
; organizational designation. Or, the entity wishes to amend the qualifying assumed name stated on its
� application for registration ar amended registration. The assumed name the entity elects.to adopt for
� purposes of maintaining its registration is: . �'
6. The registration is amended to change the business or acti�vity stated in its application for
registration or amended registration, The business or activity that the entity proposes to pursue in this
state is: , �
The entity certifies that.it is authorized to pursue the same business or activiiy under the laws of the
entity's jurisdiction of formation.
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O#her Changes to the Application for Registration
7. The foreign filing entity desires to amend its �applicatinn far registration to make changes othex
than or in addition to those stated above. Statements contained in the original application or any
amended apptication are identified by num6ex or description and changed to read as follows: ._ �
E��BCNVCIICSS Of F1IlI1� (Select either A, B, or CJ
A. � This document becomes effeetive when the doeument is filed by the secretary of state.
B. ❑ This document becomes effective at a later date, which is not more than ninety (90) days from
the date of signing. The delayed effective date is: �
C. Q This document takes effect upon the occurrence of a future event or fact, other than the
passage of rime. The 90`h day after the date of signing is:
The fotlowinQ event or fact will cause the document to take eff'ect in t6e manner described below:
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Execution ..
The undersigned signs this document subject to the penalties imposed by law for the submission oi a
materially false or fraudulent instrument and certifies under penalty of perjury that the undersigned is
authorized under the provisions of law governing the. entity to execute the filing instrument.
Date: December 9, 201.1
: ' ' Sigqa�%f euthorized por�on (see
Jamea S: I.ackman
Pr;nted or typed name of aattariud person,
Form 406
5
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1
ATTACHMENT "A"
Little Fossil Creek Floodplain Study
Study No. SWS-046
SCOPE OF WORK
Preface
Over the years, the City of Fort Worth has experienced growth and development
throughout. As a result, some of the current floodplain delineations and studies may be
outdated. Some streams within the City were never studied in detail. The purpose of
these open channel studies is to assess the existing conditions of select open channels
and to develop a master plan of improvements as needed. The existing conditions
analysis includes detailed hydrologic and hydraulic analyses to determine probable
flooding areas during exceedance storms and a comparison of results to existing
studies (if available). The revision or development of a master plan of improvements for
the study area will include a set of conceptual improvement alternatives to minimize
flood impacts to homes and buildings. These studies may require the submittal of a
LOMR to FEMA if the resultant flood analysis is significantly different from the current
flood insurance study delineation and base flood elevations. Because of the number of
studies that will be conducted, the City would like to develop a standardized approach
for consistent data management and model development. The City has embarked on
the development of a GIS inventory of the existing storm water management system.
These studies will have data that will be relevant to the City's ongoing GIS inventory.
Therefore, the submittal of GIS data to the City is required. For data management
purposes, all of the reports and detailed analyses will be submitted to the City in an
approved format. A standardized approach to documentation, submittals and approach
will assist the City with data management of these and future studies.
ATTACHMENT "A"
Page 1 of 19
Little Fossil Creek Floodplain Study
Study No. SWS-046
Study Summary
a. Purpose of Study
This study will combine newly collected data with information from available LOMRs,
previous studies and other known system modifications to produce updated floodplain
maps for Little Fossil Creek and seven of its tributaries within the City of Fort Worth. The
study will result in a combined, up-to-date hydrologic model of the watershed using the
HEC-HMS software. It will also produce new HEC-RAS models of Little Fossil Creek
and its major tributaries. The hydrologic and hydraulic modeling will be coordinated with
ongoing work being completed by the Corps of Engineers downstream of the study area
as well as consultants currently performing floodplain map updates within the study
area. The results will be used to prepare a LOMR application to be submitted to FEMA
on the City's behalf. The models prepared during this study will also be used to identify
flood risk structures and potential mitigation alternatives. Most of the structures and
channel segments will be resurveyed. The overbank areas will be updated using the
City's 2009 Lidar. Recent surveys on Tributaries �FC-2, LFC-2A, LFGC and LFC-D will
be used rather than conducting new surveys on these streams. Likewise available
hydrologic analysis completes by others will be incorporated into this study.
The ENGINEER's services and products resulting from this study shall be referred to as
" Little Fossil Creek Open Channel Study". The ENGINEER shall perForm the Study
services in accord with (1) the Federal Emergency Management Agency floodplain
modeling and mapping specifications and guidelines, (2) the City of Fort Worth Storm
Water Management Design Manual, and (3) specific requirements and technical
guidelines in this scope document. The City of Fort Worth Storm Water Management
Design Manual shall be the prevailing document.
b. Pertinent Data
The study covers the entire reach of Little Fossil Creek within the City of Fort Worth
extending approximately 6.2 miles from Beach Street at the Downstream end to the
Blue Mound City Limit upstream of Industrial Avenue on the upstream end. Nine
tributaries and one tributary to a tributary will also be modeled and remapped. The
stream reaches to be included are shown in Attachment E-1 and listed in Table 1 below.
All of these streams are currently mapped on the effective FEMA maps shown on Map
numbers 48439C0180K, 185K, and 195K dated September 25, 2009. All currently
mapped areas will be restudied but floodway analysis will be limited to the streams with
existing floodways. Attachment E-1 indicates the limits of study for each open channel.
Limits of study were selected based on areas of existing development and extent of
effective maps, whichever is greater. Detailed study will not be extended into
undeveloped areas.
ATTACHMENT "A"
Page 2 of 19
Table 1. Little Fossil Creek Study Reaches
No. of Existing
Modeled Floodway '
Stream Length (mi) Structures (Y/N) ' Comments
Little Fossil Creek 6.18 19 Y
LFC-1 2.32 5 Y
LFC-2 1.10 3 Y
LFC-2A 0.46 1 N
LFC-A 0.52 4 N
LFC-B Not in Study Enclosed
LFC-C 0.38 2 N Modeling by LAN
LFC-D 0.50 0 N Modeling by �AN
LFC-E Not in Study TxDOT ROW only
LFC-F Not in Study Undeveloped
Un-named Tributary 1 0.35 1
�FC-G Not in Study 0 N Outside City
Total 11.73 35 3
Task 1: Studv Manactement
The ENGINEER's Study management activities shall include task leadership and
direction, telephone and written communication, bi-monthly Study update meetings,
Study status reports, Study schedule and updates, and personnel and data
management among other general Study management activities. Any delays to the
Study schedule shall be in writing to the City of Fort Worth for review and approval. The
ENGINEER shall attend the Study kickoff meeting with a proposed schedule for task
sequence and completion. The ENGINEER's Project Manager shall schedule and lead
all project meetings. Meeting notes shall be submitted to the City of Fort Worth's
Project Manager within five working days after each meeting. The ENGINEER shall
attend One public meeting to present what possible mitigation alternatives are being
explored. The ENGINEER will provide to the City Study information regarding proposed
mitigation alternatives (if applicable) for public outreach.
The ENGINEER will fully document all relevant hardware,
data formats used during the Study. The details and
software, file structures, and
structure to be followed are
included in EXHIBIT A-1. The draft and final report format to be followed is included in
EXHIBIT A-2. Other than intermittent meetings, all of the individual Task deliverables
shall be submitted with the draft and final report at the conclusion of the study. The
ENGINEER shall update a Study Certification and Decision Log to be submitted at the
completion of the study.
�ENGINEER: Add to project task unique activities particular to study that are beyond
the standard scope.)
ATTACHMENT "A"
Page 3 of 19
Task 1 Deliverables:
• Documentation
o Summary of Tasks
o Study Schedule
o Support Data — Relevant meeting notes and email correspondence, Study
status updates, and action items for ENGINEER, sub-consultants, and the
City of Fort Worth.
o Completed Study Certification and Decision Log upon completion of the
study.
Task 2: Data Search, Collection, Field Reconnaissance, Stream Condition
Assessment, and Survevs
a. Dataset Search and Collection
The City of Fort Worth will provide the ENGINEER with the following watershed data in
GIS format, in addition to the available models and reports: stream centerlines, street
centerlines, 2007 aerial imagery, 2007 terrain surface in LAS format, existing and future
land use data, 2007 subbasin delineations (may not be delineated for each site), high-
water marks (if available), and zoning maps. Historical rainfall data and the as-built
drawings of the hydraulic structures may be available from the City. The ENGINEER
shall submit a written request to FEMA for all relevant available data from the effective
Flood Insurance Study (FIS) including but not limited to: LOMRs, hydrologic and
hydraulic data, reports, working maps, etc. The City shall determine the extent of the
study along the stream.
The ENGINEER shall use the City-provided watershed description, stream centerline,
and 2007 terrain surface as part of the base data for modeling and mapping. If
necessary, the ENGINEER may modify the stream centerline alignment during Tasks 3
and 4 according to topography, 2007 aerial imagery, or new survey data. Any errors
identified or revisions made to the City's stream centerline and watershed boundary
datasets shall be reported and discussed with the City's Project Manager.
The ENGINEER will review and identify known flooding and drainage issues referred to
as "hot spots" within the study area. The City will provide available drainage complaint
reports to the ENGINEER. The identified "hot spots" shall be compiled into a GIS
geodatabase.
The City of Fort Worth's Storm Water Management Division shall assist the ENGINEER
in locating required data available from the City, but the ultimate responsibility for
identifying data needs and for finding, collecting, developing, analyzing, and creating all
necessary data shall reside with the ENGINEER. If required data is unavailable, the
ENGINEER shall inform the City in writing and discuss with the City's Project Manager
for actions or determination.
ATTACHMENT "A"
Page4of19
b. Field Reconnaissance
The ENGINEER shall perform field reconnaissance to become familiar with the main
stem and the appropriate tributaries, the hydraulic and hydrologic structures, land use,
vegetative cover conditions of the floodplain, and special features and problems within
the watershed. The ENGINEER is aware that not all natural channels are contained
within City easements therefore property owner permission must be obtained by the
ENGINEER to access private property. The ENGINEER shall document their
reconnaissance efforts findings with labeled digital photographs. Typical channel and
over-bank types shall be photographed and labeled with location and Manning "n" value
assumptions.
The ENGINEER shall document physical characteristics of the watershed relevant to
modeling, including but not limited to: specific features of all major detention ponds and
outlet discharge structures, vegetative and built structure conditions along the
floodplains, types and number of hydraulic structures involved, apparent maintenance
condition of channels, over-banks and existing hydraulic structures, locations and
descriptions of stream cross-sections to be surveyed (including bridge railings and
obstructed flow areas).
c. Stream Condition Assessment
The ENGINEER shall perform a stream condition assessment as a result of field
reconnaissance efforts and document the locations of observed erosive conditions,
channel stability issues, channel side-slope failure, failed channel protection, sediment
transport, and/or other observed failures. The ENGINEER may assign a rating of
"Excellent", "Good", "Fair", or "Poor". The ENGINEER shall document the stream
conditions assessment efforts with labeled digital photographs. The ENGINEER shall
populate a GIS geodatabase of identified areas of concern.
d. Field Surveys
All bridges, culverts, and critical stream cross-sections (having substantial change in
channel geometry and/or bed slope in contrast to upstream or downstream cross-
sections) should be surveyed. The field surveys shall include any headwalls and
outFalls along the channel. The maximum stream length distance between any two
surveyed cross-sections shall not exceed approximately 1,500 feet. The City's Project
Manager shall review the number of open channel cross-section and hydraulic structure
surveys prior to a final scope of work. �7'he ENGINEER is to include the number of
open channel cross-section and hydraulic structure surveys in the final scope.] The
ENGINEER shall follow the current version of FEMA Guidelines and Specifications for
Flood Hazard Mapping Partners Appendix N: Data Capture Guidelines to collect field
survey data for open sections, bridges, culverts, and dams.
Benchmarks shall be located and recorded for survey control. Available elevation
reference marks shall be located and recorded at surveyed hydraulic structures. If
elevation reference marks can not be located, they may be set at each surveyed
hydraulic structure as a chiseled mark in a headwall, wingwall, bridge deck, etc in a
manner suitable for future reference. The ENGINEER shall establish primary and
secondary control points for survey. Primary control points are typically iron rods that
are suitable for future reference. Secondary control points are set at each surveyed
ATTACHMENT "A"
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cross-section and are intended to establish the primary control data at each cross-
section. Secondary control points are typically nails and are not intended to be
permanent. The current version of FEMA Appendix M: Data Capture Standards shall
be used a guide to setting elevation reference marks.
Field surveys of stream cross-sections shall be representative of the natural ground of
the channel and overbanks. Surveys of bridges, culvert, dams or other hydraulic
structures shall be representative of the hydraulic structure's geometry. A typical
ground cross-section shall be surveyed upstream of the structure. Measurements and
survey points defining the geometry of the hydraulic structures shall all be recorded in
field notes.
Field survey notes shall represent graphically and clearly, in plan and profile view, what
was surveyed, photographed, and recorded. All of the sketches should depict the
upstream face of the structure as well as the direction of flow.
Digital photos shall be taken at each surveyed stream cross-section looking upstream
and looking downstream at the channel. Photos of the upstream and downstream faces
of the hydraulic structures shall be taken along with the upstream and downstream
channel. Wherever possible, the pictures should contain the entire face of the structure.
The ENGINEER will use the survey codes and format outlined in the FEMA Appendix
M: Data Capture Standards for survey text files. The text files shall include point
number, northing, easting, elevation, and description. The ENGINEER shall submit the
survey data as text files and in a GIS shapefile format.
It is the responsibility of the ENGINEER to obtain property owner permission to perform
surveys outside of City easements. The ENGINEER shall notify the local property
owners that surveys and field reconnaissance will be conducted for a certain period
time.
e. Finished Floor Elevations
The ENGINEER shall determine the finished floor elevations and lowest adjacent
grades of buildings and residential homes within the current effective floodplain and
anticipated revised areas. The ENGINEER shall meet with the City's Project Manager
and discuss which buildings and homes will be surveyed prior to a final scope of work.
Finished floor elevations shall be a separate budget item from the field surveys.
('ENGINEER: Add to project task unique activities particular to study that are beyond
the standard scope.]
Task 2 Deliverables:
• Documentation
o Data Collection — Summary of Data Collection efforts and methodology
including a list of data collected and sources and locations of reported
flooding "hot spots" within the immediate study area.
o Field Reconnaissance — Summary of Field Reconnaissance efforts
including labeled digital photos and locations of special physical
ATTACHMENT "A"
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characteristics relevant to modeling and number and locations of
crossings.
o Stream Condition Assessment — Summary of assessment including
labeled digital photos and locations of observed areas of concern. The
ENGINEER shall include labeled digital photos and comments on
conditions.
o Field Surveys — Summary of field survey efforts including primaty control
points and locations, elevation reference marks, and locations of surveyed
roadway crossings and open sections.
o Finished Floor Elevations — Summary of finished floor elevation survey
efforts including homes and structures surveyed, finished floor elevations,
and lowest adjacent grade.
• Digital Data
o Data Collection — Data collected from the City and other sources for the
study.
o Field Reconnaissance — Labeled digital photos and locations of areas of
concern.
o Stream Conditions Assessment — Labeled digital photos and locations of
areas of concern and a GIS geodatabase of identified areas of concern.
o Field Surveys
■ Text Files: Survey text files in ASCII format of primary control
points, secondary control points, elevation reference marks,
surveyed hydraulic structures and stream cross-sections.
■ Field Notes: Field notes in PDF format of surveyed hydraulic
structures and stream cross-sections.
■ Photos: Labeled digital photos of surveyed hydraulic structures and
stream cross-sections.
■ GIS Files: Shapefiles of survey data of primary control points,
elevation reference marks, and hydraulic structures and stream
cross-sections.
■ Work Maps: Work maps depicting survey data and locations.
o Finished Floor Elevations
■ Text Files: Survey text files in ASCII format of finished floor
elevations and lowest adjacent grade.
■ Field Notes: Field notes in PDF format taken during survey efforts.
■ GIS Files: Shapefiles of survey data of finished floor elevations and
lowest adjacent grade.
■ Work Maps: Work maps depicting survey data and locations.
o ENGINEER will provide all the finished floor survey data including control,
finished floor elevations lowest adjacent grade elevations and locations,
GIS files, field notes, and ASCII text files.
• One set of CD/DVDs containing electronic versions of all information
(intermediate and final data and photos) gathered in this Task.
ATTACHMENT "A"
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Task 3: Development of Detailed Hvdroloqic Models
The ENGINEER shall develop detailed existing land-use conditions (and/or ultimate-
development land-use conditions based on 2009 comprehensive plan if applicable)
HEC-HMS models for the watershed. The City will determine if ultimate development
land-use conditions are warranted for the study. The ENGINEER may use HEC-
GeoHMS as a preprocessor to provide base information for the new hydrologic model.
The hydrologic model shall be fully geo-referenced for seamless incorporation into the
City's GIS inventory. The ENGINEER shall fully annotate the HEC-HMS model,
including descriptive comments in all relevant fields, and clearly label the simulation
runs with respect to the return period. The ENGINEER shall coordinate any occurrence
of inter-basin transfer of flow with the City's Project Manager. If knowledge of inter-
basin transfer of flows is known during the preparation of the scope, the ENGINEER
shall provide details on how the hydrology and hydraulics will be modeled.
The ENGINEER shall use the 2-, 5-, 10-, 25-, 50-, 100-, and 500-year return events to
develop hydrologic and hydraulic models, water surface elevation profiles, and
floodplain maps. If the basin is fully developed then ultimate land-use conditions will be
assumed as "Existing Conditions". The ENGINEER shall model the 100-yr return event
for ultimate conditions if existing conditions in the basin are not fully developed. The
ENGINEER shall use representative historical rainfall data to perform hydrological
analysis to perform a high water mark simulation/validation with hydraulic models.
a. Rainfall
The ENGINEER shall use a 24-hour duration storm (SCS Type II or frequency) for the
meteorological model and shall use the City of Fort Worth Storm Water Management
Design Manual Appendix A rainfall depth-duration-frequency tables.
b. Data Sources
The ENGINEER shall review the current effective hydrologic and hydraulic models,
�etters of Map Revision (LOMRs) approved after the current effective FIS study and
City of Fort Worth land development projects and incorporate them into the study as
appropriate.
The ENGINEER may obtain "as built" drawings from the City (if available) for
constructed regional ponds and other large residential and commercial ponds to be
modeled. The stage-storage-discharge (SSD) rating curve for these ponds used in the
model shall be verified as being accurate. If necessary, the SSD curves may be re-
developed. In all cases, the SSD rating curve shall be the same for both the hydrologic
and hydraulic models.
The existing land-use conditions data, the 2009 projected future (ultimate) development
land-use conditions data, topographic data (2007 ACS surface data), and the latest
Natural Resources Conservation Service (NRCS) Soil Survey Geographic (SSURGO)
database shall be used in the hydrologic model development.
AITACHMENT "A"
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c. Model Development
The ENGINEER shall coordinate watershed boundaries with other concurrent studies.
The subbasin size shall not exceed one-third of a square mile. Use of larger subbasins
shall be discussed with the City's Project Manager. Break points (junctions) may be set
at certain locations if requested by City's Project Manager. The ENGINEER shall
conduct a"working session" with City staff to finalize watershed basin boundaries and
junctions.
If a conflict exists on a watershed boundary determination, it is usually the topographic
data, not the storm drain system, that determines the watershed boundaries. However,
if storm drain trunk lines or any other diversion/by-pass hydraulic structures exist in the
watershed and divert a significant amount of flow from one basin to another, those
hydraulic structures shall be modeled in the study.
The SCS unit hydrograph shall be utilized for developing the HMS model.
The TR-55 equations and curves for estimating the time of concentration for overland
(sheet) flow, shallow concentrated flow, and channel flow shall be used. Overland
(sheet) flow length shall be no more than 50 — 100 feet for urban land-use conditions.
The ENGINEER shall delineate and depict the longest flow path per subbasin and
include the length and time of concentration per segment.
The SCS curve number method shall be used for loss rate estimation. The ENGINEER
shall prepare a table of impervious cover percentages and curve numbers for various
land uses and soil conditions based on the City of Fort Worth Storm Water Management
Design Manual. The runoff curve numbers for open space and undeveloped areas shall
be based on the cover type and hydrologic condition of "Open Space, Good Condition."
The composite curve number for each subbasin shall be computed based on a
composite percentage of soil types.
For modeling the existing land-use conditions of a suburban watershed, the impervious
cover percentage shall be determined based on zoning districts. Impervious cover
percentages per zoning district are listed in Table 1.
The ENGINEER shall use the NCTCOG existing land-use spatial data and City 2007
aerial imagery to confirm that the current zoning districts have an accurate land use
assignment. It is the ENGINEER's responsibility to properly determine the impervious
cover percentage for sparsely located farmland houses which may or may not be
directly connected to a surface drainage system. The ENGINEER shall use the City
2009 comprehensive plan to determine the impervious cover percentage for ultimate
conditions for future growth and development. The composite impervious cover
percentage and soil-based composite runoff curve numbers for each subbasin shall be
summarized in a table of subbasin parameters.
ATTACHMENT "A"
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Table 1. City of Fort Worth Suburban Existin Land Use Impervious Cover
Land-use Code Land-use Description Average Percent Impervious
AG A riculturai 35
CF Communit Facilities 85
DD Demolition Dela 85
HC Historic and Cultural 85
HSE Hi hl Si . Endan e. 85
MH Manufactured Housin 65
PD Planned Development 85
A-2.5A One Family (min 2.5 acre) 35
A-43 One Family (min 1 acre) 35
A-21 One Family (min 0.5 acre) 37
A-10 One Family (min 10,000 sq. ft.) 49
A-7.5 One Famil min 7,500 s. ft. 55
A-5 One Famil min 5,000 s. ft. 61
AR One Famil Restricted min 3,500 s. ft. 65
B Two Famil 65
R1 Zero Lot Line/Cluster 65
R2 Townhouse/Cluster 65
CR Low Densit Multifamil 40
C Medium Densit Multifamil 55
D Hi h Densit Multifamil 65
MU-1, MU-1G Low Intensity Mixed-Use 96
MU-2, MU-2G Hi h Intensit Mixed-Use 96
TU Trinit U town 96
ER Nei hborhood Commercial Restricted 96
E Nei hborhood Commercial 96
FR General Commercial Restricted 96
F General Commercial 96
G Intensive Commercial 96
H Central Business 96
I Li ht Industrial 96
J Medium Industrial 96
K Heavy Industrial 96
d. Routing
The ENGINEER shall use the Modified Puls or the Muskingham-Cunge routing methods
to attenuate the
the City.
runoff hydrograph. Other routing methods shall require the approval of
e. Depth-Area Analysis
Depth-Area Analysis (areal reduction) shall be used for watersheds with a drainage
area of 9.6 square miles or greater. If necessary, peak flow tables for each return
ATTACHMENT "A"
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period and for both existing and future land-use conditions will be provided with peak
flows computed at all subbasin outlets and hydrologic junction points with areal
reduction for drainage areas (in square miles) of 0.0, 10, 20, 30, etc. up to the total
watershed area. The peak discharge will be interpolated based on the drainage area at
the appropriate junction location. The following is an example of the table:
100-Year Peak Flows (cfs) Under Existing Land-Use
Conditions
Drainage Storm '��c:��Yr� �torrn Storm
Hydrologic Area Area Are� Area Area
Element (sq mi 0 mi2 10 mi2 �0 miz 30 mi2
J160W 7.576 12140 11610 11150 10770
J160K 8.011 12160 11750 11360 11030
JWCR160 15.587 22230 21460 20770 20190
WCR160 15.587 22070 21320 20620 20020
J130VV 1�.7h7 22110 ?_1350 20660 20060
JWCR130 17.91 24390 23570 22810 22090
JWCR120 18.364 24820 23990 23210 22470
WCR1100 18.364 24680 23840 23050 22350
JWCR1170 18.78 24790 23950 23160 22450
WCR120 18.78 24730 23890 23100 22410
To estimate the 100-year peak flow at the junction J130W, one may code a linear
interpolation formula in an Excel Spreadsheet to linearly interpolate the 100-yr peak flow
at this junction location, e.g., Q(J130W)=21350+(15.767-10)/(20-10)*(20660-
21350)=20952 cfs.
f. Results
The model results shall be compared to available reliable recorded/historical rainfall-
runoff data, including historic storm events. If no reliable recorded/historical rainfall-
runoff data is available, the ENGINEER may run checks with other sources of data such
as the local/regional regression equations, Current Flood Insurance Study, or the
USGS's frequency-based 100-year peak flow versus watershed drainage area curve for
similar watersheds. If significant differences are found, adjustments to the hydrologic
model may be required.
The ENGINEER shall prepare a table of peak flow rates for each of the return events
analyzed. The ENGINEER shall compare the peak flows from the new study to those of
the current effective (if available). The comparisons shall be summarized in the report.
The ENGINEER shall document the methodologies and assumptions for each subbasin,
details of calculating the time of concentration, subbasin and longest flow path
delineations, creek centerline, software, and data sources used, any significant changes
in flows between the old and new hydrologic models with an explanation of differences,
and a table containing peak flows at each subbasin, junction, and pond location with
areal reduction (if applicable), and any special technical issues and resolutions.
ATTACHMENT "A"
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�ENGINEER: Add to task project unique activities particular to study that are beyond
the standard scope.]
Task 3 Deliverables:
• Documentation
o A summary of the Task and a description of inethodologies and
assumptions used. The detailed summary shall include design criteria,
software used, source data, watershed delineation method, watershed
parameters, modeling considerations, and any special technical issues
and resolutions.
o A summary of results and a comparison with effective discharges.
o Any relevant correspondences, discussions, and technical decisions
regarding model development including review comments and special
issues.
• Digital Data
o Hydrologic Model: One digital copy of the final, working, and fully-
annotated HEC-HMS hydrologic model that provides peak flow rates for
the 2-, 5-, 10-, 25-, 50-, 100-, and 500-year floods together with all
supportive GIS and modeling data (including DSS files) for the HEC-HMS
models (current non-beta HEC-HMS version at time of delivery).
o GIS Data: Supportive GIS and modeling data including the watershed
delineation, longest flow path. (lf applicable) An ArcGIS 9.2 or later
version of a personal geodatabase containing all final vector information
developed under this task.
o Support: Electronic versions of all information gathered, supporting
materials and data in developing the hydrologic models, and work
products created in this task, such that the models can essentially be
duplicated with the backup data.
• The ENGINEER shall submit two sets of DVDs containing electronic versions of
all information gathered and work products created in this task.
Task 4: Development of Hvdraulic Models and Floodplain Maps
The ENGINEER will use the latest HEC-RAS model software to develop hydraulic
models for the study. The ENGINEER may use HEC-GeoRAS as a preprocessor to
provide base information to the hydraulic model and as a post-processor to map the
floodplains. The ENGINEER shall fully annotate the HEC-RAS model, including
descriptive comments in all relevant fields, and clearly label the flow data profiles with
respect to return period. Cross-sections or bridge/culvert structures that incorporate
survey data shall include the survey data source, date and hydraulic structure name in
the cross section data description. The ENGINEER may use FEMA's CHECK-RAS
program to do an initial verification of the HEC-RAS models and address the issues it
finds or provide an explanation of why a correction was unnecessary. The hydraulic
model will be fully geo-referenced for seamless incorporation into the City's GIS
inventory.
ATTACHMENT "A"
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a. Model Development
The ENGINEER shall prepare the models to run under steady state conditions. The
ENGINEER will meet with the City's Project Manager to determine whether an unsteady
state model is warranted.
Surveyed bridges, culverts, and critical stream cross-sections (having substantial
change in channel geometry or slope) shall be incorporated into the HEC-RAS model.
Other non-critical stream cross-sections shall be cut from the City's topographic data (if
available) or the most accurate topographic data available. The cross-section layout
shall be set in a reasonable manner consistent with the respective DFIRM (if available)
taking into consideration hydraulics and floodplain mapping. As a general guideline,
spacing between any two cross-sections shall not exceed approximately 200 ft unless
directed by the City's Project Manager. The ENGINEER will conduct a"working
session" with the City staff to review cross-sectional cut-line locations and layout. The
ENGINEER will proceed with detailed hydraulics following City's review of the cross-
section cut-line layout or as directed by the City's Project Manager. The ENGINEER
shall discuss with the City's Project Manager whether channel invert interpolation
between surveyed cross-sections is required. Interpolated cross-sections shall be kept
to a minimum. If interpolated cross-sections are used in the development of the
models, each section shall be labeled and described in the model and identified on a
work map of the cross-section layout. The ENGINEER shall describe in the written the
report the purpose of the interpolated cross-sections. All cross-section stations and
reach lengths shall be rounded to the nearest foot.
The ENGINEER shall assign Manning's n-values to a specific channel or over-bank
area based on actual physical conditions using information from field reconnaissance,
aerial photos, and the City of Fort Worth Storm Water Management Design Manual n-
value reference tables. Composite n-values are recommended for the left overbank,
channel, and right overbank. Caution will be exercised not to over- or under-estimate
the "n" values. The composite "n" value in over bank flow areas shall be limited to 0.15.
For any "n" value exceeding 0.15, the ENGINEER shall inform and discuss with the
City's Project Manager for a final decision. It is recommended that the ENGINEER use
the HEC-RAS functions of "blocked obstruction" and "ineffective flow area" whenever to
enhance the model.
The ENGINEER shall recreate or confirm the limits of the floodway. A floodway will not
be evaluated or created for study areas that do not have an existing floodway.
b. Flow Data
Peak flows computed from a hydrologic model with proper areal reduction (if applicable)
shall be put into the hydraulic model as close as possible in terms of location, e.g.,
subbasin junction location in HEC-HMS versus cross-section location in HEC-RAS. A
table showing the HEC-RAS cross-section flow change locations and the corresponding
HEC-HMS junction name shall be provided. The peak flow shall be the same in both
models. In the case that a creek or channel runs through a subbasin in a hydrologic
model (see an example attached below), the additional outFlow from the subbasin shall
be proportionally inserted in one of the following two methods: (Method 1) at 1/3 or at
ATTACHMENT "A"
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2/3 of the channel segment within the subbasin, or (Method 2) approximately at middle
of the channel segment (Figure 1).
If the ENGINEER determines that either procedure will not accurately represent the
additional flow between hydrologic analysis points, the ENGINEER shall inform and
discuss with the City's Project Manager flow change locations.
c. Results
If data is available, model results shall be compared with recorded stage levels or
checked against known high water marks. The model results shall also be compared to
known flooding events. If significant differences are found, adjustments to the hydraulic
model may be required.
The ENGINEER shall document all methodologies and assumptions, software used,
data sources, problem areas, and significant changes in water surface elevations
between the old and new hydraulic models.
The ENGINEER will eliminate crossing profiles; however, given the number of profiles
(for existing and future conditions) and the potential for minimal differences in computed
flow rates, it is possible that some minor crossing of profiles cannot be resolved. The
ENGINEER will coordinate these issues with the City staff.
The ENGINEER shall produce an updated or new floodway data table. The lettered
section should correspond with the locations of the effective study,
ATTACHMENT "A"
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Figure 1. Flow Change Locations
The ENGINEER will produce water surface elevation profile plots for the 10-, 50-, 100-,
and 500-year flood frequencies using FEMA RASPLOT 2.5 or later. The ENGINEER
shall reference the existing Flood Insurance Study profile plots for plot scale.
The ENGINEER shall delineate the floodway and the 100- and 500-yr floodplains
through the study area. If applicable, the 100-yr floodplain for ultimate conditions will
also be delineated. The ENGINEER shall produce work maps that show the following
minimum information in and near the floodplains: (1) Cultural features, such as
railroads, airfields, streets, roads, public schools, highways, levees, dikes, dams and
other flood-control structures, and other prominent man-made features and landmarks;
(2) Hydrographic features, such as rivers, streams, lakes and ponds, and channels
(including both banks of a stream when graphically possible); (3) Corporate limits,
extraterritorial jurisdiction limits, and boundaries of excluded areas; (4) Elevation
reference marks (ERM), and (5) Grid lines (State Plane North Central Texas Survey
Feet) with appropriate values annotated.
Base Flood Elevations (BFEs) will be generated and shown by wavy line contours
drawn normal to the direction of the flow of water, perpendicular to the floodplain, but
not necessarily perpendicular to the stream centerline. They shall extend completely
across the existing conditions 100-year floodplain. Each BFE notation shall indicate its
elevation (NAVD88) to the nearest whole foot.
�ENGINEER: Add to task project unique activities particular to study that are beyond
the standard scope.]
Task 4 Deliverables:
• Documentation
o A summary of the Task and a description of inethodologies and
assumptions used. The detailed summary shall include design criteria,
software used, source data, cross-sections, modeling considerations, and
any special technical issues and resolutions.
o A summary of results and a comparison with effective water surface
elevations. Include floodplain and floodway delineations and BFEs. One
set of hard copies of the floodplain maps, separated by existing and future
land use conditions, preferably printed in the format of DFIRM panels.
o Any relevant correspondences, discussions, and technical decisions
regarding model development including review comments and special
issues.
• Digital Data
o Hydraulic Model: One digital copy of the final, working, geo-referenced,
and fully-annotated HEC-RAS hydraulic model that provides peak flow
rates for the 2-, 5-, 10-, 25-, 50-, 100-, and 500-year floods together with
all supportive GIS and modeling data for the RAS models (current non-
beta HEC-RAS version at time of delivery).
o GIS Data: Supportive GIS and modeling data including the stream
centerline, cross-sections, floodplain delineations, and BFE's. (/f
applicable) An ArcGIS 9.2 or later version of a personal geodatabase
containing all final vector information developed under this task.
ATTACHMENT "A"
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o Support: Electronic versions of all information gathered, supporting
materials and data in developing the hydraulic models, and work products
created in this task, such that the models can essentially be duplicated
with the backup data. PDF format files of the floodplain maps, separated
by existing and ultimate land use conditions, preferably in the format of
DFIRM panels. PDF format files and DWG files of the RASPLOT profiles.
• The ENGINEER shall submit two sets of DVDs containing electronic versions of
all information gathered and work products created in this task such that the
models and floodplain maps can essentially be duplicated.
Task 5: Watershed Flood Hazard Assessment
The ENGINEER shall assess the capacity of stream roadway crossings and summarize
flooding hazards at the stream roadway crossings. The ENGINEER shall provide an
estimate of the number of roadway crossings inundated and depth of inundation for
each return event analyzed. The ENGINEER shall document the results from the
watershed flood hazard assessment.
�ENGINEER: Add to task project unique activities particular to study that are beyond
the standard scope.]
Task 5 Deliverables:
• Documentation
o A summary of the flood hazards within the watershed including all of the
stream roadway crossings with general address, description of roadway
crossing, roadway crest elevation, reach, HEC-RAS river station, and
depth of flooding for the existing and fully developed storms.
• Digital Data
o(If applicable) An ArcGIS 9.2 personal geodatabase containing all final
vector information developed under this task.
Task 6: Proposed Flood Mitiqation Alternative Analvsis
The ENGINEER shall assess the conditions of the study area and revise or develop a
master plan of proposed improvements and flood hazard mitigation. Alternatives to be
considered will include but are not limited to open channel improvements, detention,
and property buy-outs and building/house removal. This task will consider flooding
issues identified in Task 5 to determine the potential flood reduction benefits of flood
mitigation. The ENGINEER shall determine appropriate acquisition data based on
current available appraisal district data. �ENG/NEER to estimate the number and type
of alternatives to be included in the analysis in conjunction with City staff.]
The ENGINEER shall develop and discuss realistic preliminary alternatives with the
City's Project Manager prior to analysis. The ENGINEER shall then evaluate the
preliminary alternatives discussed and make necessary revisions. The ENGINEER
shall discuss the revised alternatives with the City's Project Manager before finalizing
the conceptual mitigation alternatives. The alternatives may be finalized prior to the
ATTACHMENT "A°
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public meeting discussed in Task 1. City utility crossing potential conflicts shall be
considered and identified in the development of the alternatives.
The ENGINEER shall document all methodologies and assumptions used to analyze
the conceptual flood mitigation alternatives and significant changes in water surface
elevation between the existing conditions model and the improvement alternatives
model. Any modifications to the hydrologic features developed for Task 3 as a result of
the improvements shall be discussed with the City's Project Manager. The ENGINEER
shall rerun routing for the alternatives.
A benefit cost analysis (BCA) shall be conducted using the FEMA Mitigation BCA
Toolkit Version 3.0 (July 2006). The ENGINEER shall use a discount rate of 7% and a
project life of 50 years. The ENGINEER will evaluate the BCA based on the storm
events outlined in Table 1 and the potential damages to residential, commercial, and
industrial structures. The benefit cost analysis may be used to prioritize the mitigation
alternatives. The conceptual opinions of probable cost shall include a contingency cost
of thirty (30) percent and engineering and surveying cost of ten (10) percent.
�ENG/NEER: Add to task project unique activities particular to study that are beyond
the standard scope.]
Task 6 Deliverables:
• Documentation
o A summary of the Task and a description of inethodologies and
�
�
assumptions used. The detailed summary shall include design criteria,
software used, source data, cross-sections, modeling considerations, and
any special technical issues and resolutions.
A summary of results and a comparison with existing water surface
elevations from Task 4.
Any relevant correspondences, discussions, and technical decisions
regarding model development including review comments and special
issues.
• Digital Data
o Hydrologic Model: (if applicable) One digital copy of the final, working, and
fully-annotated HEC-HMS hydrologic model (if different from Task 3) that
provides peak flow rates for the 2-, 5-, 10-, 25-, 50-, 100-, and 500-year
floods together with all supportive GIS and modeling data (including DSS
files) for the HEC-HMS models (current non-beta HEC-HMS version at
time of delivery)
o Hydraulic Model: One digital copy of the final, working, geo-referenced,
and fully-annotated HEC-RAS hydrologic model that provides peak flow
rates for the 2-, 5-, 10-, 25-, 50-, 100-, and 500-year floods together with
all supportive GIS and modeling data for the RAS models (current non-
beta HEC-RAS version at time of delivery).
o GIS Data: Supportive GIS and modeling data including the stream
centerline, cross-sections, floodplain delineations, and proposed
conceptual alternatives. (If applicable) An ArcGIS 9.2 or later version of a
ATTACHMENT "A"
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personal geodatabase containing all final vector information developed
under this task.
o Support: Electronic versions of all information gathered, supporting
materials and data in developing the hydraulic models, and work products
created in this task, such that the models can essentially be duplicated
with the backup data. PDF format files of the floodplain maps preferably in
the format of DFIRM panels.
• The ENGINEER shall submit two sets of DVDs containing electronic versions of
all information gathered and work products created in this task such that the
models and floodplain maps can essentially be duplicated.
Task 7: Quality Assurance and Qualitv Control Procedures
The ENGINEER shall develop a QA/QC procedure meeting or exceeding the
requirements of FEMA for FEMA Digital Floodplain Insurance Rate Mapping projects.
The QA/QC program shall include a multi-level approach to ensure that senior members
of ENGINEER's staff review, comment, and approve the completed work. Quality
control check lists shall be created for the survey, hydrology, hydraulics, and mapping
elements of the work. Each checklist shall include milestone review events that
describe the items to be reviewed and include documentation of the comments by the
reviewer and responses from the ENGINEER's Project Manager. All Study materials
presented to the City as draft or final products must be accompanied by QA/QC
certification or they will be rejected by the City. Work on a task shall not proceed until
the milestone event has been reviewed and all necessary revisions to the data are
complete. The checklists shall be signed by the senior task leader, Project Manager,
and the Principal, and are included in the FINAL REPORT. The ENGINEER shall
provide copies of their QA/QC efforts to the City of Fort Worth.
The ENGINEER shall retain all work products generated and information gathered and
used during the course of the Study. This includes, but is not limited to, base data
(such as City of Fort Worth's base terrain data) as well as intermediate work products
(e.g. the fill grid used in the hydrologic preprocessor, draft reports, etc.). These items
shall be transmitted to the City of Fort Worth Project Manager by the end of the Study.
Task 7 Deliverables:
• Documentation
o Upon completion of the Study, the ENGINEER shall submit signed digital
and hard copies of the QA/QC checklists.
Task 8: Letter of Map Revision Application and Support
The ENGINEER shall prepare a �OMR application package with complete supporting
documentation. Following the City`s review and approval, the ENGINEER shall
represent the City to submit the LOMR application to FEMA. The ENGINEER will
provide the City two copies of the final LOMR application package. The City will be
responsible for the payment of FEMA's LOMR review and processing fees. The LOMR
application typically includes the following forms although others may be required for the
floodplain restudy:
ATTACHMENT "A"
Page 18 of 19
Form 1
Form 2
Form 3
Overview & Occurrence
Riverine Hydrology and Hydraulics Form
Riverine Structures Form
The ENGINEER shall respond to comments made by FEMA on the LOMR application
package. Based on the comments received, the ENGINEER shall make necessary
revisions to the LOMR submittal package and address all comments and provide
additional required information to fulfill FEMA requirements for issuance of a of the
FEMA LOMR for this study, if applicable.
Task 8 Deliverables:
• Documentation
o Two copies of the completed LOMR application package.
• Digital Data
o Digital copy of the completed LOMR application package
STUDY Schedule
The Study (excluding FEMA review of LOMR if required) should be completed within
twelve months after receiving the Notice to Proceed letter from the City. The
ENGINEER has attached a schedule of tasks within a time frame of 12 months.
ATTACHMENT "A"
Page 19 of 19
EXHIBIT "A-1"
(SUPPLEMENT TO ATTACHMENT A)
Little Fossil Creek Floodplain Study
Project No. SWS-046
SOFTWARE AND DATA FILE STANDARDS
The following standards and specifications for hardware, software, file structure,
and data format are specified for consistent data management and model
development. Any other hardware, software, file structure, and data formats
must be compatible with the applications currently used by the City and require
the approval of the City.
Software:
Operating System: Microsoft Windows XP Professional SP2 (32-bit) or
later version
Office Productivity: Microsoft Office 2003 or later
Document Imaging: Adobe Acrobat 7.0 or later
GIS Packages: ESRI ArcGIS Desktop 9.2 or later
GIS Extensions: Spatial Analyst, 3D Analyst
Hydrologic Model GIS Preprocessor: HEC-GeoHMS 1.1 or later
Hydraulic Model GIS Preprocessor: HEC-GeoRAS 4.1 or later
Hydrologic Model: HEC-HMS 3.0.1 or later
Hydraulic Model: HEC-RAS 3.1.3 or later
FEMA Preparation Software: CHECK-RAS 1.4, RASPLOT 2.5 or later
Others if specified, must be agreed upon by the City
Data File Formats:
Reports: Reports will be provided in Microsoft Word 2003 format or later,
with all images, maps, graphs, tables, etc. embedded in the document so
that an exact duplicate of hard copy reports can easily be created. Also, a
duplicate PDF version of the report shall be created for archival purposes.
Graphs and Tables: Tabular information will be provided in Excel 2003
format (or later) and in Access 2003 database format (or later) when a
small database is required. If an enterprise database is deemed
necessary, Oracle 91 or later shall be used.
ASCII Text Files: All ASCII text files (other than model inputs and
outputs) will be encoded using ANSI-encoding and will have the file
extension ".TXT". Text files containing comma-delimited information will
have the file extension ".CSV".
Digital Photographs: All photographs taken for the project will be in
digital form, at least 1600 X 1200 resolution, full color, and saved in the
JPG file format. Dates and times will be saved in the image, and file
names will be descriptive (i.e. WMS XS_20343_US.JPG, not
EXHIBIT "A-1"
Page 1 of 3
IMG014.JPG). Photos of the channel or cross-sections shall be labeled
as to direction of flow.
Scanned Documents: Scanned documents will be provided in Adobe
PDF format, with the entire document appearing in a single file (not
individual PDFs for individual pages or for chapters). Bookmarks to
chapter beginnings and other important pages will be provided in the PDF.
GIS Spatial Data File Formats:
All GIS vector data layers (points, lines, polygons, etc.) shall be provided
in one of the following three ArcGIS compatible formats: personal or
file geodatabase (preferred), shapefile, or coverage. Continuous surFace
model data (i.e. DEMs or DTMs) shall be in ESRI's GRID or TIN format.
The City will provide the elevation data for each study area plus a 500 foot
buffer in the LIDAR �AS binary file format. Aerial photography or other
raster imagery will be provided in a common GIS image format (preferably
GeoTIFF), with appropriate header information and a world file for
georeferencing. If large amounts of raster images are required for the
project, and image catalog will be created and provided to the city.
All GIS data, and other files containing coordinates, shall use the State
Plane coordinate system set to the Texas North Central (4202) zone. The
horizontal datum shall be the North American Datum of 1983 (NAD83) and
the vertical datum shall be the North American Vertical Datum of 1988
(NAVD88), both the horizontal and vertical units shall be in feet. All
surveyed data shall be captured or converted to grid coordinates. If
conversion is required, the surface to grid conversion factor shall also be
provided. All GIS datasets shall have the projection defined either
internally (geodatabases) or with a projection file (shapefiles).
A FGDC compliant metadata file shall be provided for each GIS dataset.
This metadata will be compatible with ArcCatalog and saved in XML
format.
Data accuracy shall be reported and checked using NSSDA standards
instead of other older standards like NMAS or ASPRS.
All submitted data files must not contain any server link references to the
server network and file folders.
File Structure and File Names:
All files created in this project will be descriptively named, within the limits
of the software. Underscores will be used in place of spaces in file
names. File structure should look like the following:
EXHIBIT "A-1"
Page 2 of 3
i=1 '� � . -
EI I� Ol_Report
i� Correspondence
I� Data_Collected
i� Figures
li� Misc
i; j Photos
I� Tables
O Ij� 02_Survey
Ij� Field_Notes
i;� Photos
i� Spatial Data
I;� Text_Files
O I� 03_Models
i;� Hydraulic_Models
i� Hydrology_Models
�-J I� 04 Spatial_Data
I� Hydraulic
i,� Hydrology
I� OS_ProFiles
i� 06_Flood_Maps
EXHIBIT "A-1"
Page 3 of 3
EXHIBIT "A-2"
(SUPPLEMENT TO ATTACHMENT A)
Little Fossil Creek Floodplain Study
Project No. SWS-046
OPEN CHANNEL STUDY REPORT FORMAT
Table of Contents
Task 1: Project Management
• Summary of Tasks
• Support Data
• Project Certification and Decision Log.
Task 2: Data Search, Collection, Field Reconnaissance, Stream Conditions
Assessment, and Surveys
• Data Search and Collection
o Methods
o Hot Spots
o Data Sources
o LOMC
• Field Reconnaissance
o Methodology
o Special Physical Characteristics
• Stream Conditions Assessment
o Methodology
o Identified Areas of Concern
• Surveys
o Control
o Field Survey Methodology
o Finished Floor Elevations
Task 3: Development of Detailed Hydrologic Models
• Task Summary
o Introduction
o Performance Work Statement
o LOMC Incorporation
• Methodology
o Detailed Summary
■ Summary of Methodology
■ Design Criteria
■ Software
o Drainage Basin Delineation
■ Topographic Data
EXHIBIT "A-2"
Page 1 of 5
■ Delineation Method
o Collected Data
■ Precipitation
■ Structure Outflow, Elevation, Storage Curves
o Modeling Considerations
■ Drainage Area Parameters
■ Soil Types and Land-use
■ Runoff Losses
■ Time of Concentration
■ Unit Hydrograph
■ Channel Routing
• Result and Conclusions
o Summary of Results
o Comparison of Effective Discharges with Study Discharges
Task 4: Development of Hydraulic Models and Floodplain Maps
• Task Summary
o Introduction
o Performance Work Statement
o LOMC Incorporation
• Methodology
o Detailed Summary
■ Summary of Methodology
■ Design Criteria
■ Software
o Cross-Sections
■ Locations and Layout Considerations
■ Method to Obtain Cross-Sections
■ Bridges, Culverts, and Road Crossings
o Modeling Considerations
■ Starting Water Surface Elevation
■ Structure and Road Crossing Modeling
■ Islands and Split Flows
■ Ineffective Flow Areas
■ Calibration
■ Floodway
■ Special Problems
• Results and Conclusions
o Floodplain Delineation and Mapping
■ Method of Delineation
■ Base Flood Elevations Results
o Summary of Results
o Comparison of Existing WSELs with Study WSELs
Task 5: Watershed Flood Hazard Assessment
• Task Summary
EXHIBIT "A-2"
Page 2 of 5
• Findings
Task 6: Proposed Flood Mitigation Alternative Analysis
• Task Summary
o Introduction
o Performance Work Statement
• Methodology
o Detailed Summary
■ Summary of Methodology
■ Design Criteria
■ Software
o Cross-Sections
■ Locations and Layout Considerations
■ Method to Obtain Cross-Sections
■ Bridges, Culverts, and Road Crossings
o Modeling Considerations
■ Starting Water Surface Elevation
■ Structure and Road Crossing Modeling
■ Islands and Split Flows
■ Ineffective Flow Areas
■ Calibration
■ Floodway
■ Special Problems
• Results and Conclusions
o Floodplain Delineation and Mapping
o Summary of Results
o Comparison of Existing WSELs with Study WSELs
Task 7: Quality Assurance and Quality Control Procedures
• Task Summary
• QA/QC Procedure
o Task 1
o Task 2
o Task 3
o Task 4
o Task 5
o Task 6
o Task 8
• City Notification
Task 8: Letter of Map Revision Application and Support
• Task Summary
• Application Forms
EXHIBIT "A-2"
Page 3 of 5
APPENDICES
APPENDIX A - Figures
• Task 2 — Figures
o Stream Condition Assessment Photos
o Stream Condition Assessment Locations
o Control Points
o Surveyed Structures and Cross-sections
o Surveyed Finished Floor Elevations
• Task 3 — Figures
o Overall Study Area
o Drainage Area Map
o Hydrologic Soils Map
o Land-Use/Zoning Map
o Longest Flow Paths and Time of Concentrations
o Peak Discharge Vs. Drainage Area
• Task 4 — Figures
o Overall Study Area
o Floodplain Maps
o Profiles
• Task 5 — Figures
o Crossings
• Task 6 — Figures
o Overall Study Area
o Floodplain Maps
o Profiles
APPENDIX B — Supporting Documents
• Task 1 — Supporting Documents
• Task 2 — Supporting Documents
o GPS Survey Documentation
• Task 3 — Supporting Documents
o Land-use Classifications
o Composite Curve Number Calculations
o Lag Time Calculations
o Routing Parameters
o Curves
o Results
• Task 4 — Supporting Documents
o As-Built plans
o Summary of Discharges
o Floodway Data Table
o Results
• Task 5 — Supporting Documents
o Table of crossings inundated per study storms
• Task 6 — Supporting Documents
EXHIBIT "A-2"
Page 4 of 5
o As-Built plans
o Summary of Discharges
o Floodway Data Table
o Resuits
• Task 8 — Supporting Documents
o Completed LOMR application package (if applicable, however, may be
submitted at a later date.)
• PDF of final report
APPENDIX C — QA/QC
• Task 2 — QA/QC Forms
• Task 3 — QA/QC Forms
• Task 4 — QA/QC Forms
• Task 5 — QA/QC Forms
APPENDIX D — Digital Data
• Task 2— Digital Supporting Data
o Stream Conditions Assessment Data
o Survey Data
o Spatial Data
o Figures
• Task 3— Digital Supporting Data
o Hydrologic Models
o Spatial Data
o Figures
• Task 4— Digital Supporting Data
o Hydraulic Models
o Spatial Data
o Figures and Maps
• Task 5— Digital Supporting Data
o Figures and Maps
o Spatial Data
o Support Data
• Task 6— Digital Supporting Data
o Hydraulic Models
o Spatial Data
o Figures and Maps
• Task 8— Digital Supporting Data
o Completed LOMR application package
submitted at a later date.)
(if applicable, however, may be
EXHIBIT "A-2"
Page 5 of 5
EXHIBIT "A-3"
Little Fossil Creek Floodplain Study
Study No. SWS-046
AMENDMENTS TO THE STANDARD SCOPE OF SERVICES, ATTACHMENT "A"
Task 1: Proiect Manaqement
After the first paragraph, add the following
Specifically, the ENGINEER will:
a. Conduct twelve (12) monthly meetings of the ENGINEER's project team
b. Conduct a Kick-off meeting with the City PM and invited staff and agencies and
provide a proposed schedule for task sequence and completion.
c. Conduct six (6) progress meetings with the City PM and prepare meeting notes
d. Conduct a LOMR pre-submittal meeting with City staff to review the LOMR
documents
e. Maintain and update the Study schedule as needed. Any delays to the project
schedule shall be in writing to the City of Fort Worth for review and approval.
f. Maintain and update a study decision log documenting decisions affecting the
project outcome.
g. Prepare monthly progress reports and MWBE reports
h. The ENGINEER shall attend one (1) public meeting to present the proposed
floodplain/floodway modifications. The ENGINEER will provide to the City Study
information regarding proposed map changes for public outreach.
Task 2: Data Search, Collection, Field Reconnaissance, Stream Condition
Assessment, and Survevs
Subtask 2. a. Dataset Search and Collection
After the first paragraph, insert the following.
The ENGINEER will obtain and review modeling prepared by other consulting firms to
update the floodplain mapping on LFC-2, LFC-2A, LFC-C, LFC-D and LFC-G. The
CITY will assist in requesting and obtaining the hydrologic and hydraulic models and
underlying data. The data will be incorporated into the Little Fossil Creek study to the
extent possible with minimal modification with the intent that the floodplains resulting
from these consultant studies will not need to be revised. The ENGINEER will
participate in three meetings with the consultants conducting these studies and will
coordinate with them as their work is incorporated into the Little Fossil Creek Study.
Subtask 2. d. Field Surveys
Delete 1 St two sentences and insert the following.
EXHIBIT "A-3"
Page 1 of 4
Existing surveys and structure record drawings will be employed for model development
and documentation. The ENGINEER will review existing models, LOMR submittals
drawings and available survey records and develop an approximate cross-section
location map and indicate structures requiring survey. ENGINEER will coordinate with
City staff to determine additional survey needs to meet the requirements of the project.
This project includes an allowance of $61,500 sufficient to obtain to establish control
and obtain survey data for twenty-four (24) stream crossings, fifty-four (54) channel
cross-sections and three (3) control structures (weirs, dams or outlet structures).
Approximate locations of the cross-sections and structures proposed to be surveyed are
shown in Exhibit E-2.
Subtask 2. e. Finished Floor Elevations
The estimated budget for this task assumes that 50 building elevations will be surveyed
in the watershed. The approximate locations of these buildings are shown in Exhibit E-
3.
Task 3: Development of Detailed Hvdroloqic Models
After the second sentence add the following:
The ENGINEER shall use the existing US Army Corps of Engineers (USACE) HEC-1
hydrologic model as a starting point for creating a HEC-HMS model of the Little Fossil
Creek System. The model will be reviewed for possible changes in basin delineation,
land use and physical system changes that would materially affect computed flows.
Approved hydrology associated with the 2008 LFC-2 CLOMR will also be considered for
incorporation into the overall model for this study. CDM will coordinate with the City and
the USACE to reach agreement on Loss, Unit hydrograph and routing methods to be
used in the models. Written memoranda among these parties in the form of ineeting
minutes will supersede the City standards and procedures described in this Task.
Task 4: Development of Hvdraulic Models and Floodplain Maps
a. Model Development
After the second sentence add the following:
The ENGINEER will compile and document all available models or portions of models
from LOMR's and other sources. A graphical or tabular depiction of the areas covered
and perceived reliability will be prepared and presented to the City Project Manager. A
gap analysis will be perFormed to determine additional data needs and a plan will be
proposed to fill the data gaps. Data gaps will be filled using field surveys, addition
requests for hydraulic structure plans and GIS topographic data. The models will then
be constructed from the available data.
Add task 4. d. as follows
d. 75% Report
EXHIBIT "A-3"
Page 2 of 4
The ENGINEER will prepare a report summarizing the activities and analysis results
associated with Tasks 1-4 of the Study. The report will provide information on the data
collection effort and the hydrologic and hydraulic model development along with the
modeled flows and elevations at each surveyed cross-section and system confluence.
The report will also present the preliminary floodplain and floodway delineation and BFE
profile. The ENGINEER will meet with the City to review the report and receive
comments for incorporation in the 90% report.
Add additional deliverables as follows
Five (5) copies of a 75% Draft report describing work completed under tasks 1-4 and
associated results
Task 6: Proposed Flood Mitiqation Alternative Analvsis
After the first paragraph replace "�ENGINEER to estimate
alternatives to be included in the analysis in conjunction
following:
a. Alternatives Development
the number and type of
with City staff.]" with the
ENGINEER will develop three structural flood mitigation alternatives to address three
known flooding problems on Little Fossil Creek. These problems are commercial
building flooding at the Mark IV Industrial Park south of Loop 820, commercial building
flooding along LFC-2 at Northern Crossing Blvd. and residential flooding north of Long
Ave in the SE part of the study area. Each alternative will incorporate a combination of
conveyance and storage solutions. One additional non-structural alternative utilizing
buy-outs and floodproofing will also be considered for each flooding problem.
b. Alternatives Evaluation
Alternatives will be evaluated based on cost-benefit and other criteria such
environmental and aesthetic improvements and the degree of disruptive construction
activity. The cost benefit analysis will include preparation of an opinion of probable
implementation cost and an assessment of project benefits determined using the FEMA
BCA tool version 3.0 or 4.5. A score or ranking will be prepared for each alternative
using aa methodology approved by the City project manager.
c. 90% Report
The ENGINEER will prepare a report summarizing the activities and analysis results
associated with Tasks 1-6 of the Study. The report will combine the report prepared
under task 4.d. with any comments received from the city and the results of the
watershed hazard assessment and alternatives analysis. The ENGINEER will meet
with the City to review the report and receive comments for incorporation in the Final
report.
EXHIBIT "A-3"
Page 3 of 4
d. Final Report
The ENGINEER will incorporate comments received on the 90% report and prepare a
Final report summarizing the activities and analysis results associated with Tasks 1-6 of
the Study. Documentation of the disposition of all comments will also be prepared and
submitted to the City for approval prior to completing the report.
Add additional deliverables for Task 6 as follows
Five (5) copies of the 90% Draft report describing work completed under tasks 1-6 and
associated results
Ten (10) copies of the Final Report describing work completed under tasks 1-6.
Task 8: Letter of Map Revision Application and Support
Replace the last sentence with the following.
CDM will map the base flood elevation results based on a DEM provided by the City in a
raster file format such as GRID. Preparation of the LOMR application will include the
following forms and documents which the ENGINEER will develop using project data.
a. Project Work map showing FEMA-required information including cross-
section locations and Floodplain, floodway delineations
b. FEMA Forms:
Form 1 Overview & Occurrence
Form 2 Riverine Hydrology and Hydraulics Form
Form 3 Riverine Structures Form
c. Model documentation
d. The ENGINEER will assemble and print two copies of the submittal package
and present it to the City for signatures and mailing
e. The ENGINEER shall respond to comments made by FEMA on the LOMR
application package. Based on the comments received, the ENGINEER shall
make necessary revisions to the LOMR submittal package
comments and provide additional required information
and address all
to fulfill FEMA
requirements for issuance of a of the FEMA LOMR for this study, if
applicable.
EXHIBIT "A-3"
Page 4 of 4
ATTACHMENT "B"
Little Fossil Creek Floodplain Study
Project No. SWS-046
COMPENSATION AND PAYMENT SCHEDULE
A. The Engineer shall be compensated a total project fee of $366,880.00. Payment
of the total lump sum fee shall be considered full compensation for the services
described in Attachment "A" for all labor materials, supplies and equipment
necessary to complete the project.
B. The Engineer shall be paid in accordance with "Exhibit B-1", Supplement to
Attachment B. Each invoice from the Engineer shall be verified as to its accuracy
and compliance with the terms of this contract by an officer of the Engineer.
C. Additional Tasks that may be assigned, not currently included in the Scope, may
be billed and paid on an hourly basis for actual hours worked and expenses
incurred, at an hourly billing rate as provided in Exhibit "B-2". No additional
Tasks will be performed without prior written authorization from the City.
D. Professional Services Fee summary is provided in Exhibit "B-3"
E. Total project fees including MWBE participation is provided in Exhibit "B-3A".
F. A detailed Level of effort analysis is Provided in Exhibit "B-2"
I. Schedule
The intent of the schedule is to complete the effort described in Attachment "A" and
amended in Exhibit "A-1" and deliver a final report within 365 calendar days after the
"Notice to Proceed" letter is issued.
A. A concept report reflecting the data collection (Task 2) will be submitted within 90
calendar days after the "Notice to Proceed" letter is issued.
B. A preliminary report describing the initial hydrologic and hydraulic analysis
(Tasks 3 and 4) will be submitted within 150 calendar days after the submittal of
the concept report.
C. A final report will be submitted 120 calendar days after the submittal of the
preliminary report.
ATTACHMENT "B"
Page 1 of 1
EXHIBIT "B-1"
(SUPPLEMENT TO ATTACHMENT B)
Little Fossil Creek Floodplain Study
Project No. SWS-046
METHOD OF PAYMENT
&
PROGRESS REPORT REQUIREMENTS
Method of Payment
Partial payment shall be made to the Engineer monthly upon City's approval of an
invoice from the Engineer outlining the current labor and expenses of the total
project. The aggregate of such monthly partial fee payments shall not exceed the
following:
The estimated aggregate percent comp/ete of the project tasks times the total fee
payable under this agreement.
The balance of fees, less previous payments, shall be payable after delivery of the
FINAL report and electronic files.
II. Progress Reports
A. The Engineer shall submit to the designated representative of the Director of
the Department of Transportation/Public Works monthly progress reports
covering all phases of the analysis in the format required by the City.
B. Periodic reports concerning MWBE participation shall be submitted as required
by the MWBE Office.
EXHIBIT "B-1"
Page 1 of 1
Exhibit B2. (Supplement to Attachment B)
Task/hour breakdown and Level of Effort
Little Fossill Creek Study
City Study No. SWS-046
Little Fossil Creek LOE
12/20/2011
Page 2
Exhibit B2. (Supplement to Attachment B)
Task/hour breakdown and Level of Effort
Little Fossill Creek Study
City Study No. SWS-046
Labor (hours) Expense
Task Description Principal in Professional Reproduction/O Total Expense
Task No. Charge Senior Engineer Project Manager Engineer EIT Engineer GIS Technician Administrative Total Labor Subconsultant Travel her Cost Task Subtotal
Rate $195 $195 $195 $120 $96 $75 $63 MWBE Non-MWBE 5%Admin
1.0 Pro ect Management an eetings 36 0 72 46 12 20 44 32,004 0 0 0 0 0 0 32,OU4
1.a Internal Team Meelings (12) 6 �2 �2 �2 g
1.b Pre-project Coordination Meeting 2 4 6 2 $6,552 $0 $6,552
1.c StudyUpdate Meetings (6) 8 18 12 6 12 $7,716 $0 $2,016
1.d LOMR Submittal Review Meeiing 2 q q 2 $� 776 $0 $7,716
1.e Prepare/Maintain Baseline Schedule � 3 $0 $1,776
1.f Pre arelMaintain decision l0 1 3 � 6 $1,158
P 9 0 6 $1,158 $0 $1,158
1.g Prepare Monthly Progress & MWBE Reports 12 12 12 $5,436 $0 $1,158
1.h Public Meeting 4 16 12 8 4 $6,192 $0 $5,436
$0 $6,192
2.0 Data Collection and Field Recon 14 0 60 36 120 30 22 �33,906 81,000 $0 b4,050 $750 250 86,050 119,956
2.a Dataset Search and Collection 0 16 0 80 24 8 $13,104 $100 $150 $250 $13,354
2.a Coordination with Consullants 6 16 8 0 6 6 $6,078 $250 $250 $6,328
2.b Field Reconnaissance 4 8 16 32 0 4 $7,584 $400 $400 $7,984
2.c Stream Condition Assessment 0 4 0 0 0 0 $780 $7,000 $350 $7,350 $8,130
2.d Field Survey 2 8 12 0 4 $3,642 $61,500 $3,075 $100 $64,675 $68,317
2.e Finished Floor Elevations 2 g g
$2,718 $12,500 $625 $13,125 $15,843
$� $0
3.0 H drologic Model 0 0 32 98 36 36 0 24,156 0 0 0 0 0 0 24,156
3.a Rainfall 0 2 g
3.b Data sources (USACE and other models) 0 g 16 $1,350 $0 $1,350
3.c Convert HEC-1 model to HEC-HMS 0 4 16 $3,480 $0 $3,480
$2,700 $0 $2,700
3.c Subbasin Delineation and Review 0 8 12 8 8 $4,368 $0 $4,368
3.c Runoff Parameter Review 0 2 4 12 12 $2,922
3.d Routing review p z �g $ $0 $2,922
3.e Depth Area analysis p 2 �p 8 $2'910 $0 $2,910
3.f Resulis/Validation 0 4 16 16 $2�190 $0 $2,190
$4,236 $0 $4,236
4.0 Hydraulic Models 4 8 80 208 204 152 20 75,144 0
4.a Compile Models/ conduct gap analysis 0 12 40 16 S� 0 0 250 250 75,394
4.a Construct HEC-RAS models 0 20 80 60 56 $8,340 $0 $8,340
4.b Flow Assignments 0 4 0 Zp $23,460 $0 $23,460
$2.700 $0 $2,700
4.c Debug/Compile results/compare to previous 0 12 20 48 $9,348 $0 $9,348
4.c Floodway Analysis 0 8 16 32 $6,552 $0 $6,552
4.c. Delineations, Profiles and BFE's 0 12 12 24 64 4 $11,136 $0 $11,136
4.d. 75% Draft Report 4 8 12 40 20 16 16 $13,608 $250 $250 $13,858
5.0 Flood Hazard Assessment 2 0 8 16 24 0 4 6,426 $0 0 0 0 �0 0 56,426
5 Flood Hazard Assessment 2 8 16 24 4 $6,426
$0 $6,426
6.0 Flood Mitigation Alternative Analysis 12 76 84 728 88 64 40 552,968 �0 0 0 0 750 750 553,718
6.a Flood Mitigation Alternative Development 4 24 48 48 24 $17,628 $0 $17,628
6.b Flood Mitigation Alternative Analysis 0 24 40 40 $13,320 $0 $13,320
6.c 90% Drafl Report 4 8 24 24 24 16 $12,708 $250 $250 $12,958
6.d Final Report 4 8 12 16 16 24 $9,312 $500 $500 $9,812
7.0 QAIQC Procedure 4 40 20 76 4 4 12 15,840 0 0 0 SO 500 500 516,340
7.1 PQM Initiation 4 8 4 4 4 4 8 $4,788 $500 $500 $5,288
7.2 Checklist Preparation and Execution 8 8 12 4 $4,812 $0 $4,812
7.3 Model Review Z4 g
$6,240 $0 $6,240
8.0 LOMR Application 0 12 28 80 132 84 28 $38,136 b0 0 0 0 750 750 38,886
8.a Digital Work Map 0 8 8 20 60 60 $15,780 $200 $200 $15,980
8.b Forms 1,2,3 0 4 8 40 8 $6,084
S.c Documentation 0 4 8 24 4 $4,296 $0 $6,084
8.d Assembly, Printing 0 4 4 g 12 $Z �84 $0 $4,296
$300 $300 $3,084
S.e Comments and Follow-up 0 12 40 24 4 $9,192 $250 $250 $9,442
$0 $0 $0
Totals 72 76 384 628 620 390 170 § 278,580 $ 81,000 b - S 4,050 a 750 a 2,500 5 88,300 5 366,880
Liflle Fossil Creek LOE
12/20l2011
Page 1
EXHIBIT "B-3"
(SUPPLEMENT TO ATTACHMENT B)
Little Fossil Creek Floodplain Study
Project No. SWS-046
PROFESSIONAL SERVICES FEE SUMMARY
TASK FEE
Task 1: Project Management and Meetings $32,004
Task 2: Data Collection and Field Reconnaissance
Task 2a-c: Field Reconnaissance and date review $35,796
Task 2d: Field Survey (stream data) $68,317
Task 2e: Finished Floor Elevation Survey $15,843
Task 3: Development of Detailed Hydrologic Models $24,156
Task 4: Development of Hydraulic Models and $75,394
Floodplain Maps
Task 5: Watershed Flood Hazard Assessment $6,426
Task 6: Proposed Flood Mitigation Alternative $53,718
Analysis
Task 7: Quality Assurance and Quality Control $16,340
Procedures
Task 8: Letter of Map Revision Application and $38,886
Support
SERVICE TOTAL $366,880
EXHIBIT "B-3"
Page 1 of 1
EXHIBIT "B-3A"
(SUPPLEMENT TO ATTACHMENT B)
Little Fossil Creek Floodplain Study
Study No. SWS-046
SUMMARY OF TOTAL PROJECT FEES
Consultinq Firm Prime Responsibilitv Amount Percent
Camp Dresser & McKee Inc.:
Model Development and LOMR
Marshall Lancaster & Associates, Inc.:
Surveying
,
� : ::1
'�: ���
77.9%
22.1 %
Proiect Description Scope of Services Total Fee MWBE Fee Percent
Surveying
(see below) $85,050 $81,000
95.2%
SUB ENGINEER. shall participate in performing portions of the following Tasks as
outlined in Attachment "A":
Task 2d. Field Survey
Task 2e. Floor Elevation Survey
Task 2c Stream Condition Assessment
Non-MWBE Participation
None
0%
EXHIBIT "B-3A"
Page 1 of 1
ATTACHMENT "C"
Little Fossil Creek Floodplain Study
Project No. SWS-046
AMENDMENTS TO STANDARD AGREEMENT FOR ENGINEERING SERVICES
<No changes or amendments have been made as of July 18, 2011>
ATTACHMENT "C"
Page 1 of 1
ID Task Name
_ _..
1 Study Initiation
2 'Project Management
3 'Team Meetings
10 'PQM Initiation
11 Data Collection
12 'Field Reconnaissance
_ .. ___.
13 ;Field Survey
_
14 Hydrologic Model
15 ',Hydraulic Modeling
_ _.
16 '75% Report
17 Model TR
18 ;Alternative Analysis
19 ;90°/a Report
20 LOMR Application
21 Submittal
22 ;Complete except Comments
_' _ __ ._ _ _
Project: LFCSchedule
Date: Wed 3/28/12
Duration
1 day
260 days
250 days
Start
Mon 4/2/12
Mon 4/2/12
Mon 4/2/12
3 days Wed 4/11/12
20 days
Mon 4/16/12
10 days
40 days
30 days
45 days
30 days
10 days
60 days
Mon 5/14/12
Mon 5/28/12
Mon 5/14/12
Mon 5/28/12
Mon 7/30/12
Mon 9/10/12
Mon 9/24/12
30 days Mon 12/17/12
40 days
Mon 1/28/13
5 days
1 day
Task
Split
Progress
Attachment D - Study Schedule
Little Fossil Creek LOMR
Study SWS-046
; April Ma ;_June ; July August Septem! October Novem : Decem : January Februa' March ! April '
Finish y _ _ _ _
Mon 4/2/12 � 4/2
Fri 3/29/13
Fri 3/15/13
Fri 4/13/12.
Fri 5/11/12i
Fri 5/25l12
Fri 7/20/12
Fri 6/22/12�
Fri 7/27/12:
Fri 9/7/12:
Fri 9/21 /12
Fri 12/14/12
Fri 1/25/13
Fri 3/22/13
I
Mon 3/25/13 Fri 3/29/13i
Mon 4/1/13 Mon 4/1/13;
I
I
- __-_ _ _ Milestone p External Tasks --
�� ���������������������������������
Summary ��- ���� External Milestone
Project Summary -- - - Deadline b
�
I�I
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M&C Review
r , � , ',
Page 1 of 1
O�cial site of the City of torc worm, Texas
�� ��{
COUNCIL ACTION: Approved on 2/21/2012
DATE:
���
2/21 /2012
��
,
REFERENCE
NO..
TYPE:
"*C-25445 LOG NAME: 20SWMLITTLEFOSSILCREEK
CONSENT PUBLIC NO
HEARING:
SUBJECT: Authorize Execution of An Agreement with Camp Dresser & McKee, Inc., in the Amount of
$366,880.00 for the Littie Fossil Creek Floodplain Study (COUNCIL DISTRICTS 2 AND 4)
����,.�-�_�����.w���3.��� ���,�_ � .:��u_�_,�-.���,�,�.�., . ��.� _��Y�,,y d,:}� ,_r_� __.._, _.,�..w�r, .�,
RECOMMENDATION:
It is recommended that the City Council authorize execution of an Agreement with Camp Dresser &
McKee, Inc., in the amount of $366,880.00 for the Little Fossil Creek Floodplain Study.
DISCUSSION:
The Study recommended by this Mayor and Council Communication will evaluate flood mitigation
alternatives for the purpose of protecting structures from flooding in the Little Fossil Creek watershed
in North Central Fort Worth. There are 99 buildings in the floodplain of the creek. This Study will
include development of a comprehensive model and map of the floodplain. This data has not been
updated since the last Flood Insurance Study (FIS) in 1986.
Camp Dresser & McKee, Inc., was one of 23 submitting firms and was selected on the basis of
demonstrated competence and qualifications to perform the services for this Project through a
general Request for Qualifications (RFQ) selection process. Camp Dresser & McKee, Inc., proposes
to perform this Study for a lump-sum fee of $366,880.00. City Staff considers this fee to be fair and
reasonable for the scope of services proposed based on the size of the watershed and length of the
stream. The Stormwater Utility Fund will be used to fund this study.
Camp Dresser & McKee, Inc., is in compliance with the City's M/WBE Ordinance by committing to 22
percent M/WBE participation. The City's goal for this project is 22 percent.
This project is located in COUNCIL DISTRICTS 2 AND 4.
FISCAL INFORMATIOWCERTIFICATION:
The Financial Management Services Director certifies that funds are available in the current operating
budget, as appropriated, of the Stormwater Utility Fund.
TO Fund/AccounUCenters
FROM Fund/AccounUCenters
PE69 531200 0209202 $366.880.00
Submitted for City Manager's Office bk
Ori iq nating Department Head:
Additional Information Contact:
ATTACHMENTS
SWS-046 Little Fossil.ipa
Fernando Costa (6122)
Douglas W. Wiersig (7801)
Ranjan S. Muttiah (7919)
http://apps.cfwnet.org/council_packet/mc_review.asp?ID=16294&councildate=2/21/2012 3/30/2012