HomeMy WebLinkAbout2025-262ENGINEERING SERVICES WORK ORDER 10
This Work Order Number _10_ is entered into as of this18thday of November , 2025
pursuant to that certain Continuing Contract Agreement, dated May 2, 2023, ("Agreement"), by and
between INDIAN RIVER COUNTY, a political subdivision of the State of Florida ("COUNTY") and
Atkins North America, Inc. ("Consultant").
The COUNTY has selected the Consultant to perform the professional services set forth on
Exhibit A (Scope of Work), attached to this Work Order and made part hereof by this reference. The
professional services will be performed by the Consultant for the mutually agreed upon lump sum or
maximum amount not -to -exceed professional fee. Any additional costs must be approved in writing,
and at a rate not to exceed the prices set forth in Exhibit B of the Agreement (Rate Schedule) for RFQ
2023015, made a part hereof by this reference. The Consultant will perform the professional services
within the timeframe more particularly set forth in Exhibit A (Time Schedule), attached to this Work
Order and made a part hereof by this reference all in accordance with the terms and provisions set
forth in the Agreement. Pursuant to paragraph 1.4 of the Agreement, nothing contained in any Work
Order shall conflict with the terms of the Agreement and the terms of the Agreement shall be deemed
to be incorporated in each individual Work Order as if fully set forth herein.
IN WITNESS WHEREOF, the parties hereto have executed this Work Order as of the date first
written above.
CONSU NT:
By:. -gym _
Name: Daniel Parsons
Title: Division Manager
'r(�ti�Vljs'S, •.
BOARD OF COUNTY COMMISSONER OF...... •..
INDIAN RIVER COUNTY:
By:
Chairman
BCCAppr vaI Date: November .1$'; ? '"
By: " I ✓�r^ r 1
�11 /-�:-
John A. Ti kanich, Jr., County Administrator
Approved as tojgrm and Legal Sufficiency:
Ch oper A. Hicks, Assistant County Attorney
Ryan ` B r, Clerk of Court and Comptroller
Attest: /1
Deputy Clerk
(SEAL)
Exhibit B
Cost Detail
Work Order No. 10
NX AtkinsRealis
INDIAN RIVER COUNTY
DEPARTMENT OF UTILITIES SERVICES
CITY OF SEBASTIAN BUILDOUT OF
SEPTIC TO SEWER CONVERSION
FEASIBILITY STUDY
IRCDUS PID 21.26.502
OCTOBER 15, 2025
EXHIBIT A - SCOPE OF SERVICES
BACKGROUND
Over the past decade, public awareness of the need to improve the water quality of the Indian
River Basin has grown significantly. This has led to increasing regulatory pressure on utilities to
reduce pollution and improve the quality of discharges into the Lagoon. One major initiative is the
recently established Indian River Lagoon Protection Program (Florida State Statute 373.469).
Under this statute, all existing conventional septic systems in the Indian River Lagoon Basin are
required to either connect to sewer systems or upgrade to enhanced nutrient -reducing onsite
sewage treatment and disposal systems by July 1, 2030.
Fortunately, Indian River County Department of Utilities Services (IRCDUS) has been ahead of
the curve in proactively expanding sewer collection systems throughout their service area,
including customers currently relying on onsite sewage treatment and disposal (septic) systems.
In September 2025, IRCDUS engaged AtkinsRealis to provide technical services for their current
phase of septic to sewer conversions in the City of Sebastian.
Septic to sewer conversions are necessary to limit the amount of nutrients, particularly nitrogen
and phosphorus, released into the ground by septic systems, which can contaminate groundwater
and nearby water bodies. In areas with porous soil, septic systems often fail to adequately filter
these nutrients, leading to environmental issues such as harmful algal blooms and health risks
from polluted drinking water. The proposed sewer systems, by contrast, will transport wastewater
to a centralized treatment plant that more effectively removes nutrients, protecting ecosystems
and public health while offering greater resilience during storms and floods
To support this effort, a comprehensive study will be conducted to evaluate whether the existing
infrastructure including lift stations, gravity sewers, and force mains can accommodate the
increased wastewater flow resulting from the transitions.
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study
Page 2 of 12
Exhibit B
Cost Detail
Work Order No. 10
}
SCOPE OF SERVICES
Cl AtkinsRealis
version A within , lastian City Limits
[.J
C
The following Scope of Services is for professional services relating to the feasibility study
associated with the septic to sewer conversion in the City of Sebastian as shown in Figure 1.
Upon Notice to Proceed, AtkinsRealis will provide professional services to include project
management and engineering services as described herein.
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 3 of 12
Exhibit B
Cost Detail
Work Order No. 10
TASK 01 Project Management
i.l AtkinsRealis
Task 01 consists of the overall management of the project to completion. This includes contract
administration, management of the project action list, schedule, budget, and ensuring that all team
members understand their roles and responsibilities. The project manager will facilitate effective
communication with City of Sebastian and IRCDUS representatives. Regular monitoring and
reporting will be conducted to deliver the project on time, within budget, and to high quality
standards.
Project Status Reports will be supplied to IRCDUS with each invoice or upon request and will
detail any changes in schedule along with supporting justification for the change.
AtkinsRealis anticipates to attend four in-person Workshops with IRCDUS Staff to kick off the
project, review collected data and proposed conversion areas, review the draft report comments,
and review the final report. In addition, the AtkinsRealis team will facilitate up to eight bi-weekly
progress meetings with the County, including scheduling, preparing agendas, and distributing
meeting minutes. A site visit will be conducted on the same day as the Project Kickoff Workshop.
Deliverables: Invoices, meeting and workshop coordination, site visit coordination, facilitation of
meetings and workshops, meeting agendas and summaries
TASK 02 Data Collection
AtkinsRealis will perform the following subtasks as part of the Data Collection Task:
• Review as -built information provided by the County or the County Master plan team
• Review of County Standards, local codes, and regulatory requirements
• Coordinate with the County's Hydraulic Modeler to acquire potable water demands
• Coordinate with the City of Sebastian staff for the purpose of acquiring a list of planned
annexations, developer projects under review or in progress incorporating the extension
of sanitary sewer service, and septic systems that have been converted to advanced type
• Coordinate with IRCDUS to obtain:
o Existing and proposed distribution and collections systems in GIS format
developed by the County Hydraulic Modeler
o Available as-builts and record drawings (hard copies or GIS format) of utility
information not yet incorporated into the finished hydraulic model
o Subdivision, parcel data, and owner information in GIS
o Active OSTDS within Sebastian City limits in GIS
o Planned changes in land use in GIS
o Flooding and storm surge areas in GIS
o Proposed developments near Sebastian City limits incorporating sanitary sewer
extensions in GIS
AtkinsRealis will develop a comprehensive geodatabase to include the provided information that
will serve as a basis for the feasibility study. The compiled geodatabase will be used to estimate
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 4 of 12
Exhibit B
Cost Detail
Work Order No. 10
AtkinsRealis
flows, develop tables, define limits of septic to sewer conversion areas, and develop schematic
designs of the collection system.
Deliverables: Compiled geodatabase of relative information, summary of permitting and
regulatory requirements
TASK 03 Define Flow Rates
The conversion from septic to centralized sewer systems will increase sanitary flows, creating a
need for infrastructure improvements. Proper sizing of the sewer collection system will ensure
that the system is adequately sized to handle the projected flows, minimize risks of overflow and
inefficiency, and provide for long-term sustainability and regulatory compliance.
This task involves calculating the cumulative flows from each user, overall and by area, and then
designing schematic sewer systems to convey those flows to the receiving facilities. Based on
the information provided by the County and the Master Plan team AtkinsRealis will conduct a
thorough assessment of the project area, including factors such as zoning, topography, flooding
and storm surge that will impact the schematic design. AtkinsRealis will coordinate with County
Staff, including the assigned project manager and GIS Manager, and with the County Hydraulic
Modeler in relation to the Wastewater Master Plan under development to ensure the conversion
areas and schematic design is consistent with proposed capital improvement projects.
Deliverables: Projected flow rates and preliminary sewer network layout
TASK 04 Hydraulic Modeling Coordination
AtkinsRealis will coordinate with the County's assigned Hydraulic Modeler to evaluate the
proposed schematic designs. This analysis will determine the feasibility of integrating the
proposed improvements into the current wastewater system.
AtkinsRealis will support the County's Hydraulic Modeler in implementation of the septic -to -sewer
conversions, and review recommendations for changes in the schematic design. The County's
Hydraulic Modeler may determine that improvements are needed in the existing collection system
to accept the flows from the proposed septic to sewer conversion. Upon County acceptance,
recommendations on improvements to the existing system from the County's Hydraulic Modeler
will be incorporated into the schematic design.
Areas will be evaluated for water service requirements where sanitary connections are to be
provided. AtkinsRealis will coordinate with the County's Hydraulic Modeler who will provide water
distribution extensions to these areas. The County's Hydraulic Modeler will provide this
information in GIS format to be included with the compiled geodatabase and noted in the study.
Deliverables: Summary of hydraulic model results and upgrades to the existing system.
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 5 of 12
Exhibit B
Cost Detail
Work Order No. 10
TASK 05 Feasibility Report
Draft Feasibility Report
AtkinsRealis
AtkinsRealis will prepare a Draft Feasibility Report which will consider key assumptions and
design constraints, summarize the customer base, detail projected flow rates, and provide a
schematic collection system design by area given with a unique identifier. The collection system
design will include:
• Gravity sewer mains and anticipated diameter
• Force mains and anticipated diameter
• Approximate locations of proposed sewer network
• Approximate locations of public lift stations
• Recommended improvements to existing infrastructure provided by the County's
assigned Hydraulic Modeler
• Connection points to existing sanitary sewer infrastructure as recommended by the
County's Hydraulic Modeler
A general and preliminary Project Schedule will be developed to outline the key areas of the
initiative, including development of Construction Documents, Bid Phase, and Construction. This
schedule is intended solely for planning purposes and is representative of all conversion areas.
As the project progresses, the schedule will require updates to accommodate evolving project
requirements, regulatory considerations, and coordination with key stakeholders.
A feasibility level estimate representing the anticipated construction bid amounts will be
developed for each conversion area using the most current information available. These cost
estimates are intended to provide a preliminary understanding of the financial implications
associated with the recommended collection system and serve as a foundational reference for
further decision-making and budgeting.
Upon submitting the electronic version of the Draft Feasibility Report, AtkinsRealis will schedule
a workshop with County Staff and their Hydraulic Modeler to review the document and discuss
their comments.
Final Feasibility Report
Following the Draft Feasibility Report Workshop, the report will be updated to address review
comments. Final deliverables will include an electronic copy and twelve hard copies of the Final
Report. An electronic version of the adjudicated review comments will be provided to the County
PM for distribution.
Upon submitting the electronic version of the Final Feasibility Report, AtkinsRealis will schedule
a Workshop with County Staff to discuss attendance and presentations to be made with the Board
of County Commissioners and City of Sebastian Council.
Deliverables: Draft Feasibility Report, Workshop agenda and notes, Final Feasibility Report with
adjudicated review comments.
-- -- - - -
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 6 of 12
Exhibit B AtkinsRealis
Cost Detail
Work Order No. 10
ASSUMPTIONS AND EXCLUSIONS
The following assumptions have been made in the development of this scope of work, schedule,
and fee:
1. Subsurface utility engineering, geotechnical services, environmental assessments, and
survey services are not required.
2. Neighborhood and community meetings are not anticipated or included.
3. Permitting is not required for this study.
4. The conceptual design will be based on the federal, state, and local codes and standards
in effect at the start of the project.
5. IRCDUS will provide requested information and project reviews in a timely manner.
6. Attendees of the review meetings are designated as decision makers.
7. The County's Hydraulic Modeler will provide potable water demand patterns in the area
and collaborate with AtkinsRealis on the determination of flow rates and proposed options
for the anticipated collection system.
8. Any improvements to the existing collection system that are needed for acceptance of the
additional flow from the conversion areas that have been or will be developed by the
County's Hydraulic Modeler, will be communicated to AtkinsRealis and IRCDUS by the
County's Hydraulic Modeler on completion of Task 03 according to the proposed schedule.
9. The project schedule and feasibility level estimates are intended solely for planning
purposes and exclude escalation factors over time intervals.
10. IRCDUS will contract separately with the Hydraulic Modeler.
11. The County PM will verify the availability of County Staff to attend meetings and workshops
as well as provide timely requests for rescheduling as needed. Attendees of the review
meetings are designated as decision makers.
12. Lift station and treatment facility design calculations are excluded.
13. Laterals to existing and proposed homes and developments will be included as a line item
within the feasibility level estimate but excluded in schematic design.
14. Costs, schematic design, and evaluation of annexed areas and developer projects, both
current and future are excluded.
15. This scope of work will not include priority phasing of conversion areas.
16. This scope excludes design, costs, and scheduling for water distribution to conversion
areas requiring water service. It is assumed that water distribution to conversion areas is
being evaluated in the County's Master Plan (in development at the time of this proposal).
If available, the County's Hydraulic Modeler will provide this information to AtkinsRealis
for incorporating with the feasibility study.
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 7 of 12
Exhibit B 11:1 AtkinsRealis
Cost Detail
Work Order No. 10
QUALITY CONTROL
AtkinsRealis will be responsible for the professional quality of all deliverables. This includes an
internal Quality Assurance Plan that, as a minimum, provides review of all deliverables and
significant calculations by a qualified professional that was not responsible for project execution.
SCHEDULE
The anticipated schedule shown below is based on the number of weeks after the formal issuance
of the signed Work Order and a Notice to Proceed by the County.
Task No.
01
02
03
04
05
05
Task Title
Kick- Off Workshop
Data Collection
Define Flow Rates
Hydraulic Modeling Coordination
Draft Feasibility Report
Final Feasibility Report
COMPENSATION
Duration from NTP
2 weeks
6 weeks
10 weeks
12 weeks
20 weeks
30 weeks
The AtkinsRealis Team proposes to perform all services within this scope of work on a Lump Sum
basis, with budgets between tasks and expenses being interchangeable. All invoices will include
a detailed progress report in support of the invoice amount.
The estimated total engineering fee including all labor and expenses associated with the scope
of work is not to exceed $288,132.00, as presented below and detailed in Exhibit B.
Task No.
Task Title Fee
01
Project Management
$ 44,980.00
$ 16,624.00
02
Data Collection
03
Define Flow Rates
$ 29,760.00
$ 29,600.00
$ 161,168.00
$ 6,000.00
$ 288,132.00
04
Hydraulic Modeling Coordination
05
EXP
Feasibility Report
Expenses
Total
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 8 of 12
Exhibit B 01"AtkinsRealis
Cost Detail
Work Order No. 10
. i .
Cost Detail
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 9 of 12
Exhibit B
Cost Detail
Work Order No. 10
AtkinsRealis
City of Sebastian Septic to Sewer Feasibility Study
Indian River County
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study
O AtkinsRealis
Contract Bill Rate
$ 330.00
$ 260.00
$ 290.00
$ 260.00
$ 131.00
$ 125.00
$ 196.00
$ 208.00
$ 95.00
$ 29,600.00
$161,168.00
$161,168.00
$2,000.00 $ 4,000.00 $ 6,000.00
oM
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Task#
Description
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01
Project Management
7.0
122.0
24.0
40.0
0.0
128.0
0.0
0.0
42.0
363.0
02
Data Collection
3.0
12.0
0.0
24.0
64.0
16.0
0.0
0.0
24.0
143.0
03
Define Flow Rates
0.0
19.0
0.0
76.0
80.0
80.0
0.0
0.0
0.0
255.0
04
Hydraulic Modeling Coordination
3.0
8.0
16.0
96.0
104.0
0.0
200.0
24.0
0.0
451.0
05
Feasibility Report
6.0
70.0
52.0
302.0
412.0
246.0
124.0
41.0
44.0
1,297.0
EXP
Reimbursable Expenses
Grand Totals
19.0
231.0
92.0
538.0
660.0
470.0
324.0
65.0
110.0
2,509.0
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study
O AtkinsRealis
$282,132.00 $2,000.00 $ 4,000.00 $288,132.00
Page 10 of 12
Total
Labor
Travel ODCs Price
$ 44,980.00
$ 44,980.00
$ 16,624.00
$ 16,624.00
$ 29,760.00
$ 29,760.00
$ 29,600.00
$ 29,600.00
$161,168.00
$161,168.00
$2,000.00 $ 4,000.00 $ 6,000.00
$282,132.00 $2,000.00 $ 4,000.00 $288,132.00
Page 10 of 12
Exhibit C
Schedule
Work Order No. 10
EXHIBIT C
Schedule
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study
I AtkinsRealis
Page 11 of 12
Exhibit C
Schedule
Work Order No. 10
SCHEDULE
AtkinsRealis
The anticipated schedule shown below is based on the number of weeks after the formal issuance
of the signed Work Order and a Notice to Proceed by the County.
Task No. I Task Title
01
Kick- Off Workshop
02
Data Collection
03
Define Flow Rates
04
Hydraulic Modeling Coordination
05
Draft Feasibility Report
Final Feasibility Report
05
Duration from NTP
2 weeks
6 weeks
10 weeks
12 weeks
20 weeks
30 weeks
City of Sebastian Buildout of Septic to Sewer Conversion
Feasibility Study Page 12 of 12