HomeMy WebLinkAboutC2020-359 - 8/25/2020 - ApprovedAmendment No. 1
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CITY OF CORPUS CHRISTI
Service Agreement No. 1986
AMENDMENT NO. 3 to the
CONTRACT FOR PROFESSIONAL SERVICES
The City of Corpus Christi, Texas, hereinafter called “CITY,” and Texas A & M University
Corpus Christi, hereinafter called “TAMU-CC,” agree to the following amendment to the
Contract for Professional Services for Packery Channel Monitoring Project (Project No. 18140A)
as authorized and administratively amended by:
Original Contract November 2, 2018 Administrative Approval $49,991.00
Amendment No. 1 March 26, 2019 Motion No. M2019-044 $188,123.00
Amendment No. 2 May 13, 2019 Administrative Approval $6,865.00
IN THE ORIGINAL CONTRACT, EXHIBIT A, SCOPE OF SERVICES, shall be modified as shown in
the attached Exhibit A.
IN THE ORIGINAL CONTRACT, COMPENSATION shall be modified as shown in the attached Exhibit
A for an additional fee not to exceed $156,472.00 for a total restated fee not to exceed $401,451.00.
All other terms and conditions of the November 2, 2018 contract between the “CITY” and “TAMU-CC”
and of any amendments to that contract which are not specifically addressed herein shall remain in full
force and effect.
CITY OF CORPUS CHRISTI TEXAS A & M UNIVERSITY CORPUS CHRISTI
_____________________________ _________________________________
Michael Rodriguez Date Ahmed Mahdy, Ph.D. Date
Chief of Staff Vice President for Research and Innovation
6300 Ocean Drive, Unit 5844
Corpus Christi, TX 78412-5844
(361)825-3881 Office
Ahmed.mahdy@tamucc.edu
Deidre.Williams@tamucc.edu
APPROVED AS TO FORM
________________________________
Legal Department Date
ATTEST
________________________________
City Secretary Date
________________Authorized By:
Council____________________
DocuSign Envelope ID: 6CC2853B-A098-4EE0-BCB8-091F533DEFE0
8/17/2020
8/17/2020
M2020-146
08/25/2020
8/27/2020
8/28/2020
Packery Channel Monitoring Program
Post-Storm (Hurricane Hanna)
Survey, Analysis, and Assessment
and
Structural Surveys
Statement of Work:
28 July 2020 (Revised 13 Aug 2020)
Submitted to:
City of Corpus Christi
Department of Engineering Services
Submitted by:
Deidre D. Williams
Deidre.Williams@tamucc.edu
The Conrad Blucher Institute for Surveying and Science
Texas A&M University-Corpus Christi
Introduction
Packery Channel and the adjacent beaches within the project footprint along Mustang Island and
North Padre Island were impacted by Hurricane Hanna on 25 and 26 July 2020. This proposal
outlines the Packery Channel Monitoring Program (PCMP) tasks that will be applied to assess
changes driven by the hurricane and how these changes impact ongoing plans for
dredging/nourishment and revetment repairs. This proposal also provides a task to acquire surveys
for application to structural assessment and debris/obstacle identification in the channel by coastal
engineers selected by the City of Corpus Christi.
The City of Corpus Christi is charged with the management and operation and restoration of
Packery Channel and the adjacent beaches along Mustang Island and North Padre Island as per
agreement with the Department of the Army (DOA 2003) . The information gathered from the
emergency post-hurricane survey will support the City of Corpus Christi in decision making
related to post-storm restoration and possible FEMA reimbursement for damage. In addition the
information gathered from the study will support the City Staff in; 1) revisions to dredge planning,
2) beach nourishment planning including Beneficial Use Dredge Material (BUDM) placement, 3)
bollard relocation along North Padre Island (NPI) Seawall, 3) navigation safety (public notices),
and 4) forward planning toward long-term sustainable management of coastal resources (channel
and beach).
Basis for Monitoring Plan
A successful management plan for inlet and beach systems is location specific and takes into
account the following; 1) dynamic needs of each individual location (no two plans are alike as no
two systems are identical), 2) inlet age and history of inlet performance, 3) management approach
and funding sources, 4) obligations to formal agreements such as with the Department of the Army
(DOA) and Texas General Land Office (TGLO), 5) need for periodic public safety (navigation)
advisories, 6) application to FEMA’s reimbursement process, and 7) support of City Staff in
EXHIBIT A
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planning and long-term management decision making on a broad spectrum of management
concerns. In addition, plans must be adaptable to support adaptable management in response to
gradual and episodic (storms) change in conditions and need for restoration and adaptive design
changes for long-term success and resiliency. Packery Channel is a unique case in inlet
management as its primary purpose was environmentally specific and focused with recreational
(non-commerce related) navigation and recreational development added to complement the project
by the City. The channel was constructed as an environmental restoration project with two goals;
1) provide for increased water exchange between the Gulf of Mexico and the Upper Laguna
Madre/Corpus Christ Bay and 2) provide a source of BUDM sand to periodically nourish the beach
fronting the NPI Seawall toward reducing storm damage to the landward infrastructure. In
addition, the inlet is constructed along a path of a former ephemeral inlet rather than long standing
naturally open inlet with no long-term performance history to apply to management guidance. The
channel serves a tertiary purpose of providing recreational benefits such as navigation between the
Gulf and the Upper Laguna Madre for tourists and the local community. The Monitoring Program
meets the management needs of the unique inlet. The PCMP initiated as a collaboration between
TAMU-CC, the Galveston District United States Army Corps of Engineers (USACE), and the
Engineering Research and Development Center (ERDC). The proposed 2020/2021 monitoring
plan represents the contributions and recommendations from City Staff, committees such as the
Watershore Beach Advisory Committee (WBAC) and the Island Strategic Action Committee
(ISAC) and the Conrad Blucher Institute (CBI). The modifications in the program have, to date,
been in response to requests from the ISAC to reduce the annual cost of the monitoring program.
The PCMP has performed seasonal assessments of the channel and adjacent beaches since
construction was completed in 2006 with baseline monitoring conducted since 2003. The USACE
sponsored the PCMP from 2003-2008 with the City of Corpus Christi sponsoring from 2008 to
present. In recent years, the number of survey/assessments was reduced from four to three with
sub tasks eliminated at the request of City Staff. Each seasonal assessment provides information
that City Staff apply to specific aspects of coastal resource management. The proposed annual
effort includes: 1) seasonal channel surveys, 2) annual beach profile surveys, 2) trend analysis and
3) assessment of performance. Three channel surveys are proposed to document change in volume
and shoal location and extent. The channel surveys document changes over the winter, spring and
summer seasons. Each channel survey/assessment serves a specific purpose. The peak summer
seasonal survey 1) marks the anniversary of channel construction in 2006 for long-term
performance assessment, 2) documents the peak in annual net shoaling in the channel for
application to dredge and beach nourishment planning, and 3) provides guidance to mariners
regarding navigation safety due to increases in shoaling that area typical over the summer months.
The peak winter seasonal survey documents the season when channel scour (removal) dominates
and sand is actively transported out of the channel into the Gulf of Mexico. The peak winter
survey/assessment has been applied by City Staff to justify dredge deferment in the past. Deferral
of dredging has resulted in significant cost savings to the City. The transitional spring seasonal
survey/assessment documents a seasonal period of rapid shoaling and the potential for depth
limited navigation at the start of the busy summer season and peak usage that has resulted in the
City issuing navigation public safety warnings four (4) times since 2006.
Although conducted seasonally in the past, the 2020/2021 monitoring program includes just one
annual beach profile survey (since 2018). This survey is conducted during the late summer and
EXHIBIT A
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early fall to capture the peak summer condition. The peak summer survey typically documents a
more stable beach along Mustang Island and North Padre Island, in the absence of tropical storm
activity. Beach profile data is applied to 1) calculate the total beach volume, 2) determine the
annual rate of erosion, and 3) to apply as a template to calculate the needed beach nourishment
volume to restore the beach to design width (200 ft). Previously additional surveys have been
conducted during March/April to document the winter condition and assess BUDM placement
performance. The beach profile data is also archived as the pre-storm data for application to
FEMA’s reimbursement process should the area be damaged by a hurricane. Monitoring and
assessment are also included in proposals for CEPRA funding nourishment the beach south of
Whitecap Blvd.
The post-storm survey tasks are identical to the end of summer annual survey conducted since
2008 and most recently Nov 2019; with one exception that additional beach profiles were added
north of Packery Channel in order to support the permitting of planned alongshore redistribution
of sand. This allows a determination of change along the entire channel and adjacent beaches due
to storm focusing to be assessed. In addition to conducting the survey tasks outlined below, the
CBI principal investigator provides, data, assessment, graphics and consultation with the structural
engineers for the following 1) post-storm restoration actions, 2) revisions pertinent to permit
process, 3) revisions pertinent to restoration process and 4) development of long-term resource
management plans toward alternate sand management strategies to supplement BUDM placement
along NPI. In addition, the CBI principal investigator supports the FEMA reimbursement process
and has served as a primary contact for FEMA representatives following hurricanes in the past
(Ike and Harvey) and is able to provide concise answers to FEMA questions in the wake of storm
impact to the inlet and beach system.
Structural Surveys
Packery Channel and the adjacent wetlands and beaches were inundated with overbank flooding
due to sustained onshore flow into the channel occurring between 25 and 27 July 2020. This
proposal outlines the abbreviated (due to funding limitations) emergency post-storm survey of the
structures and identification of debris/obstacles in the channel. The surveys will document the
physical change of the jetties, revetment and structures surrounding the Packery Channel boat
ramp as well as identify submerged obstacles within the channel from the Deposition Basin to the
channel mouth. Although proposed, no elevation surveys are included at this time due to funding
limitations. The deliverable is suitable for visual interpretation of change and comparison to
previous similar surveys conducted following Hurricane Harvey.
The City of Corpus Christi is charged with the management and operation and restoration of
Packery Channel and the adjacent beaches along Mustang Island and North Padre Island as per
agreement with the Department of the Army (DOA 2003). This data will be provided for
application to the initial review of structural integrity and identification of obstacles in the channel
for both navigation safety and for dredge planning by coastal engineers contracted by the City of
Corpus Christ. The data supports assessment of the need for revisions in repair design and dredge
planning and basis for identifying the need for more detailed future surveys.
EXHIBIT A
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Packery Channel Monitoring Program Statement of Work:
Post-Storm Emergency Survey Analysis and Assessment of Packery Channel and Adjacent
Beaches along Mustang and North Padre Island
The 2020/2021 monitoring Program plan consists of the following tasks. For this emergency
survey Task 5 and Task 6 were added to the scope.
Task 1. Annual Fall (Peak Summery) Seasonal Survey, Analysis and Assessment:
N/A
Task 2. Peak Winter Seasonal Survey (Task 1):
N/A
Task 3. Transitional Spring Seasonal Survey:
N/A
Task 4. Meetings: Based on 2019/2020 Requests
•City Engineering/Admin Briefing (1)
•Committee meetings (2) Island Strategic Action Committee (ISAC) and (2) Watershore
Beach Advisory Committee (WBAC)
•Beach Operations Staff (1)
Total = 4
Task 5. Shoreline Survey and Assessment
N/A
Task 6. Emergency Post-Storm Survey and Assessment of Packery Channel and the
Adjacent Beaches of Mustang and North Padre Island
Full Extent Bathymetric Survey (1) Multibeam sonar (channel) single-beam sonar (Gulf)
-Extent: Entire Channel footprint from the intersection of the Gulf Intracoastal
Waterway (GIWW) to and including the nearshore around the channel mouth
-Purpose/Application:
1) Emergency post-storm assessment
2) Post-storm Revisions to Planning: Dredge and BUDM beach nourishment
2)Post-Storm Navigation Safety and Public Safety update: ID of peak shoaling and
potential for depth limited navigation
Supports: Post-storm maintenance, post-storm restoration planning and repair and
operation (EIS, DOA Cooperative Agreement) as well as guidance for public safety
•Beach Profile Survey (1)
-Extent A (Study Area): Adjacent beaches along Mustang Island and North Padre Island
from north of Fish Pass to approximately 0.5 mile south of Bob Hall pier along previously
occupied transects
-Extent B (Seawall Focused) Dense transect grid along the NPI Seawall for accurate
nourishment planning
Purpose/Application:
1)Identify areas of storm driven erosion and deposition (resource management planning)
2)Calculate rate of erosion and volume loss due to Hurricane Hanna
EXHIBIT A
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3)Calculate volume estimated to restore beach elevation and design width (200 ft)
4)Apply as post-storm documentation for FEMA reimbursement process or for alternate
funding resources TBD
5)Apply to support Beach Operations in recovery and restoration process
6)Apply to long-term sand management strategies and beach nourishment planning over
the post-storm recovery period
Supports: City Ordinance (028494), EIS, DOA Cooperative Agreement and TGLO
(CEPRA), joint City/Nueces County Erosion Response Plan (2012), City of Corpus Christi
Beach and Dune Management Plan
•Shoreline Position Survey (1)
-Extent: Mustang Island and North Padre Island
(Fish Pass to 1 mile south of Bob Hall Pier)
-Purpose/Application:
1)Document storm driven change in beach width that trigger nourishment and
management planning and action by Beach Operations
2) Identify where the beach is less than 150 ft wide to trigger and guide Bollard relocation
along NPI Seawall
3)Document areas of storm deposition sand redistribution along seawall or other areas of
loss due to storm damage/erosion
4)Redefine post-storm lateral limits of shoreline widths in excess of 200 ft for permit
applications
Supports:
-Post storm recovery efforts
-Bollard Relocation: City Ordinance (028494)
-Long-term beach management planning (joint City/Nueces County Erosion Response
Plan (2012), City of Corpus Christi Beach and Dune Management Plan)
-Permit process
•Analysis and Assessment
-Channel:
Purpose/Application:
1. Support modification of Dredge/Nourishment Planning based on changes due to storm
forcing during Hurricane Hanna and long-term management strategies
2) Identify storm driven increases in shoaling along the entire channel and at the channel
mouth for dredge planning and navigation safety
3.Calculate post-storm channel volume change
3)Revise guidance reporting for application to dredge and nourishment planning
4)Post-storm reporting/presentations: Information and education of staff and community
Committees (ISAC, WBAC, City Council, Engineering Dept, Parks and Recreation)
-Channel: Navigation Safety 1) ID peaks in shoaling, 2) Public warnings
-Beach: 1) Document status and performance of beach nourishment and maintenance
Task 7. Emergency Post-Storm Survey of Coastal Structures and Identification of Debris/
Obstacles in Packery Channel from the Deposition Basin to the Channel Mouth
1. Side scan survey:
Purpose: Identify debris and obstacles as well as displaced stone or revetment material
Cost: $5,850
EXHIBIT A
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2. UAS Flight-jetties and revetment (High Resolution Orthorectified Aerial Image) Note: No
elevation data
Purpose: Visual structural assessment jetty (may be applied to recommend additional more
detailed elevation surveys
Cost: $6,450
Performance Period and Schedule
This survey is an emergency survey and assessment to provide guidance following damage during
Hurricane Hanna. The survey will be scheduled as soon as possible upon authorization to proceed
and be conducted within the scheduling constraints of the surveyors and weather/seas limitations.
Analysis and reporting will follow with updates to provide most relevant findings in email and
presentation format
Deliverables:
• xyz data and shapefiles (ESRI .shp) files
• Summary report and briefing
• Meetings: (1) City Briefing (1) Beach Operations (2) Committee
Structural Surveys
• Map and Debris Report (no elevation measurements)
• Orthorectified Mosaic Aerial Image (no elevation measurements)
Emergency Event Total Estimated Cost: $156,472
Signature:
Dr. Ahmed Mahdy
Vice President for Research & Innovation
Estimated Budget Next Page
EXHIBIT A
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Table 1.
Packery Channel Monitoring Program:
Seasonal Surveys, Analysis and
Assessment 2020/2021
Estimated Cost
Year 1
Task 1 – Annual Full Survey and
Analysis/Assessment (Peak Summer)
Channel Bathymetry (GIWW to Gulf)
Beach Profile
Shoreline Position Survey
$ 0.0
Task 2 – Abbreviated Peak Winter Survey
and Analysis/Assessment
Channel Bathymetry (Basin to Entrance
Channel and nearshore Gulf)
$0.0
Task 3- Transitional/Spring Navigation
Hazard Survey and Analysis/Assessment
Channel Bathymetry (Basin to Entrance
Channel and nearshore in Gulf)
$0.0
Task 4 – Meetings: Beach Operations and
Committee Meetings/presentations
1 Beach Operations
1 Committee Meetings
2 City Staff or Council Briefing
$3,166
Task 5 – Shoreline Survey and
Assessment
$ 0.0
Task 6 – Emergency Post-Storm Survey
Analysis/Assessment (Hurricane Hanna)
Channel Bathymetry (GIWW to Gulf)
Beach Profile
Shoreline Position Survey
$ 141,006
Task 7 – Structural Surveys for
Assessment of Damage
Aerial Mosiac
Side Scan
$12,300
Total Authorized Fee Emergency
Survey/Assessment
$ 156,472
EXHIBIT A
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References:
Williams, D.D, 2018a. Packery Channel Monitoring Program, Statement of Work: 2018/2019,
Project Tasks and Cost Estimate, Proposal submitted July 2018.
Williams, D.D. 2018b. SOQ for FY2018 Capital Improvement Projects, Group C, Project 3,
Packery Channel Monitoring Program submitted Feb 2018
DOA 2003. Project Cooperation Agreement for Construction of the North Padre Island Storm
Damage Reduction and Environmental Restoration Project, Department of the Army and
City of Corpus Christi
Environmental Impact Statement (EIS) 2003. North Padre Island Storm Damage Reduction and
Environmental Restoration Project, Nueces County Texas, Final Environmental Impact
Statement, 313 pp and appendices.
EXHIBIT A
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THE TEXAS A&M UNIVERSITY SYSTEM
System Risk Management
200 Technology Way, Suite 1120 • College Station, Texas 77845-3424
979.458.6330 • 979.458.6247 fax • www.tamus.edu
To Whom It May Concern:
The above-mentioned Member of the Texas A&M University System has requested we
provide you with information regarding the insurance provisions of The Texas A&M
University System.
The Texas A&M University System is self-insured for Workers' Compensation
Insurance provided by Chapter 502 of the Texas Labor Code. Benefits are provided in
accordance with the provisions of that law.
State-owned vehicles of universities and agencies of the Texas A&M University System
are exempt from compulsory liability insurance requirements of the State of Texas. This
exemption appears in Subtitle D Motor Vehicle Safety Responsibility; Chapter 601
Motor Vehicle Safety Responsibility Act; Subchapter A General Provisions; Section 007
Applicability of Chapter to Government Vehicle.
The liability of The Texas A&M University System for personal injury and property
damage is controlled by the Texas Tort Claims Act, V.T.C.A. Civil Practice and
Remedies Code, Chapter 101, Section 101.021. The limits of liability are $250,000 for
each person, $500,000 for each single occurrence for bodily injury or death and
$100,000 for each single occurrence for injury to or destruction of property. Following
this limited exposure, the System as a state agency, is protected by the doctrine of
sovereign immunity, and as such, is self-insured up to the aforementioned limits.
We trust the above information will provide the necessary insurance information needed by
your organization. If we can be of any further assistance, please let us know.
Sincerely,
Henry D. Judah, CPCU CLU ChFC
Risk Manager
Campus MS 1262
Print Form
Texas A&M University Corpus Christi
10/31/11
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