HomeMy WebLinkAboutResolution - 2021-R0188 - Amendment No. 6 to Contract 12113 with Halff Associates 5.25.2021Resolution No. 2021-R0188
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May 25, 2021
RESOLUTION
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF LUBBOCK:
THAT the Mayor of the City of Lubbock is hereby authorized and directed to execute
and on behalf of the City of Lubbock, Amendment No. 6 to Agreement No. 12113, dated April
2015, for Professional Services related to the Stormwater Master Plan, by and between the City
Lubbock and Halff Associates, Inc., a Texas Corporation, and related documents. S1
Amendment is attached hereto and incorporated in this resolution as if fully set forth herein a
shall be included in the minutes of the City Council.
Passed by the City Council on
May 25, 2021
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DANIEL M. POPE, M YOR
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Jesica McEachern, Assistant City Manager
elli Leisure, Assistant City Attorney
ccdocs/RES.Amendment 6 to Agreement 12113 — Stormwater Master Plan
05.05.21
Resolution No. 2021-R0188
Amendment 6
To Agreement Between
The City of Lubbock, TX
And
Halff and Associates, Inc.
CONTRACT 12113
THIS IS THE SIXTH AMENDMENT TO THE AGREEMENT, Contract No. 12113, dated
April 9, 2015 by and between the City of Lubbock ("City") and Halff Associates, Inc., a Texas
Corporation ("Engineer").
The Consultant has entered into the Agreement with the City for performing professional
services related to the Stormwater Master Plan.
This Amendment No. 6 shall enlarge the scope of work of the Original Agreement to include
additional services for updates to the Master Drainage Plans for playa basins and design services
related to studies performed as part of the City of Lubbock Stormwater Master Plan as set forth
in Exhibit "D7" ("Task Order #7"), attached hereto and incorporated herein, increases the
compensation by an additional two hundred fifty thousand dollars and NO/100 ($250,000.00),
and extends the term of the Agreement for an additional eighteen (18) months.
The original contract amount of $500,000 with this amendment will be $2,927,080.
All other portions of the original Agreement and previous Amendments shall remain in place and
are not altered by this amendment.
IN WITNESS HEREOF, the parties have executed this Amendment as of this25thday of
May 2021.
CITY OF LUBBOCK:
Daniel M. Pop , Mayor
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ENGINEER:
Be in B. Pylank, PE, CFM, Vice
President of Halff Associates, Inc.
APPROVED AS TO CONTENT:
Michael Keenum, P.E., CFM, Division Director
Engineer/Capital of Engineering/City Engineer
F� D -I/
Jesica WOalchem, Assistant City Manager
APPROVED AS TO FORM:
elli Leisure, Assistant City Attorney
Page 2 of 2
Exhibit "D7"
City of Lubbock
Stormwater Master Plan
Task Order#7
This Task Order is made as of 2021, under the terms and conditions
established in the PROFESSIONAL SERVICES CONTRACT (Task Order Basis) between the City of
Lubbock, Texas (CITY) and Halff Associates, Inc. (ENGINEER), dated Aoril 9. 2015_ (the
Agreement). This Task Order is made for the following purpose, consistent with the Project defined in
the Agreement:
Task Order 7 will provide professional services related to updating the Master Drainage Plans for
playa basins as part of the City of Lubbock Stormwater Master Plan. The consultant will coordinate with
the City to determine the playa basins that will receive updated Master Drainage Plans; and continue to
provide professional services related to analyzing and designing playa restoration options to increase the
storage volume of Lake 45 (Higinbotham Park); and provide professional services related to analyzing and
designing drainage improvements for the North Quaker Avenue to Clovis Road Drainage Project.
Section A. — Scope of Services
ENGINEER shall perform the following Services:
MASTER DRAINAGE PLAN UPDATES
1. MASTER DRAINAGE PLAN UPDATES
Master Drainage Plan Updates were initiated and conducted as part of Task Orders 3, 5, and 6. Task
Order 7 will continue the MDP update process for additional playa basins. The MDP update
process used for Task Order 3 will be continued and the updates will focus on developing areas of
the City and locations of potential future annexation.
1.1 Prioritize Playa Systems
a. The ENGINEER will meet with the CITY's staff in order to rank each playa basin based on
current and predicted growth. The prioritization list will be presented to the City to determine
which basins will be prioritized for an MDP update.
1.2 Perform ICPR Modeling
a. The ENGINEER will conduct hydrologic and hydraulic modeling on the prioritized playa
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basins using ICPR software, which is capable of 1 D and 2D modeling analysis. The playa
basins will be modeled based on assumed future fully developed conditions based on City
planned land use and typical development patterns. The objectives of modeling will be to
identify expected stormwater runoff volumes and the impacts of runoff to the major
thoroughfare crossings.
1.3 Develop MDP Mapping
a. The ENGINEER will compile the datasets used to develop the MDP models into a standardized
GIS database for use by the development community and other stakeholders. Additionally, the
results of the hydraulic modeling will be used to develop inundation areas and expected
flowpaths of the stormwater runoff.
1.4 Document MDP Final Report
a. The ENGINEER will prepare MDP Final Reports for each playa basin documenting the
assumptions, model parameters, and results. As well as prepare FEMA submittals and
coordinate review comments for specified locations.
Section B. - Schedule
Perform the Services and deliver the identified tasks according to the following schedule:
The schedule of services performed will be completed within 12 months of task order notice to proceed.
Section C. - Compensation
In return for the performance of the foregoing obligations, City agrees to pay to ENGINEER the
amount of $ 250,000` , payable in accordance with the Professional Services Contract (Task Order
Basis) and this Task Order # 7 .
Task/Description
Estimated Budget
MASTER DRAINAGE PLAN
1. Master Drainage Plan Updates
1.1. Prioritize Playa Basins
$250,00
1.2. Perform ICPR Modeling
1.3. Develop MDP Mapping
1.4. Document MDP Final Report
Total Estimated Fee
$250,000
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Section E. - City's Responsibilities
In addition to the list of activities contained in Exhibit "C" of the Professional Services Contract (Task
Order Basis), the City shall perform and/or provide the following:
No additional activities to Exhibit C are required for Task Order #7.
This task order does not waive the parties' responsibilities and obligations provided under the
PROFESSIONAL SERVICES CONTRACT (Task Order Basis) between City and ENGINEER.
IN WITNESS WHEREOF, City and ENGINEER have executed this Task Order.
City of Lubbock, Texas
(City)
Signature
Name Josh Kristinek, PE
Title Assistant City Engineer
Date
Halff Associates, Inc.
(ENGINEER)
Signature
Name Benjamin Pylant, PE
Title Vice President
Date 3 2�
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