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CITY OF KALISPELLKalispell | Flathead County, MT
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Page 1
PROPOSAL FORWATER AND SANITARY SEWER FACILITY PLAN UPDATE
City of Kalispell
December 9, 2024
www.ae2s.com
Advanced Engineering and Environmental Services, LLC
690 North Meridian Road, Suite 218 • Kalispell, MT 59901 • P: 406-257-8990 • F: 701-746-
December 9, 2024
Keith Haskins
Deputy Director of Public Works
City of Kalispell
Via: QuestCDN
RE: Aligning Priorities for your Water and Wastewater Facilities
Dear Mr. Haskins and Selection Committee Members,
We are excited to continue working with you to proactively and efficiently plan Kalispell’s water and wastewater utilities. Your Public
Works Department has set the bar in Montana for establishing comprehensive and defensible capital improvement plans AND for
delivering those improvements. We have truly appreciated assisting you through these efforts since 2017.
By continuing to partner with the AE2S team, you will benefit from:
Unmatched Institutional System Knowledge. We understand your distribution and collection systems almost as well as you do. Since
2017, we have helped you develop hydraulic models for each system and maintain those models with annual system-wide updates as well
as over 20 specific evaluations to help inform development and capital improvement decisions. While our experience with your Advanced
Wastewater Treatment Plant (AWWTP) is still growing, we are rapidly gaining insight into your needs through our work on the biosolids
alternatives project. This expanding knowledge, combined with our expertise, will ensure the efficient development of your updated
Facility Plan.
National Utility Planning Expertise. Our Utility Planning Practice works with communities across the Midwest and mountain-
west ranging in size from very small to over 200,000 people. We are considered an expert hydraulic modeling and utility planning firm
throughout our footprint because we are continually looking to improve our services by keeping up with industry trends and the latest
tools and technologies. We know you seek and expect top-notch modeling expertise but also want to avoid being on the “bleeding edge” of
new technologies. We have already done the upfront work on the City’s behalf to compare your systems across various modeling platforms
to ensure future recommendations are consistent with previous efforts.
Recent Successes with other Montana Communities. One of the primary drivers for this Facility Plan Update is to ensure recent
State legislation is considered and requirements met. Senate Bill 382, Montana Land Use and Planning Act, stipulates communities
over 5,000 people relax their zoning regulations to allow for higher densities. The legislation also requires public engagement through
planning efforts – we will work with your selected Public Outreach Consultant to help prepare informational materials communicating
the recommendations and findings from the Facility Plan Update. We have recently helped, or are currently helping, Bozeman, Great Falls,
Whitefish, Helena, and Belgrade with their water and/or wastewater facility plans partially in response to SB 382 and we understand its
implications on public utilities. You can have confidence Kalispell’s Facility Plan Update will benefit from our success and experience with
these other communities.
Thank you for the opportunity to present our approach to accomplishing your Facility Plan objectives. If you have any questions or require
additional information, please don’t hesitate to reach out to me at 406-595-1979 or zach.magdol@ae2s.com.
Submitted in Appreciation,
AE2S
Zach Magdol, PE
Project Manager
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 1
BUNDERSTANDING OF SERVICES
1. GENERALINFORMATION
About AE2S
Kalispell
Office with Team of 4 and Growing!
1991
Founded
100+Facility Plans Successfully Completed
Knowledge
Unmatched Understanding of your Utilities
Montana
Zach Magdol, PE
Project Manager &
Primary Contact
Zach.Magdol@ae2s.comT: 406-219-2633C: 406-595-1979
Nate Weisenburger, PE
Principal-In-Charge &
Secondary Contact
Nate.Weisenburger@ae2s.comT: 406-268-0626C: 406-217-3711
35 Montana-based Staff and 350+ Company-wide to Support You
MEET YOUR KEY TEAM MEMBERS!
Senior QA/QC Team
Miranda Kleven, PEUtility Rate/Financial Lead
Scott Schaefer, PEWastewater Treatment Systems
James SlettenI&C Systems and Integration
Adam Wahler, PE
Facility Electrical Systems
Kirk Ehlke, PEFacility Structural Design
Horizontal Asset Team
Trevor Datwyler, PECollection and Distribution Facility Planning Lead
Donovan Voeller, PEHydraulic Modeling Lead Travis McStraw, EITAsset Management and Risk Assessment Lead
Wastewater Treatment Team
Jason Benson, PEProcess Analysis Lead Zach Frieling, EITOperations Optimization Lead
Scott Buecker, PEAdvanced Wastewater Treatment Plant (AWWTP) Lead
Support Staff
Alan Wendt, PEInfrastructure Concept and CIP Costing
Aidan Scheffel, EITHydraulic Modeling, Risk Assessment Modeling, and Facility Planning
Jacob Calhoon, EITHydraulic Modeling, Risk Assessment Modeling, and Facility Planning
We have assembled a cohesive team comprising both familiar faces and our firm’s top senior-level experts to support this substantial effort and deliver a comprehensive Facility Plan by August 2025.
Zach Magdol, PE - Project Manager
Zach will lead the overall project as Project Manager. As you have experienced with
his management of your regional stormwater management and treatment projects,
he maintains an open dialogue with Public Works staff which will ensure you won’t be
caught off guard by potential roadblocks during the project and will be kept abreast of
progress. He has worked on several water, wastewater, and stormwater facility plans
for Montana cities and has a knack for keeping an even keel through what can often
be a complex and unclear process.
Nate Weisenburger, PE - Principal-in-Charge
Nate, AE2S’ Drinking Water Practice Leader, specializes in developing strategic
roadmaps to guide municipalities in the short-, near-, and long-term management
of capital improvements for water systems. He played a similar role in your 2018
Water Facility Plan Update, equipping him with firsthand knowledge of the City’s key
challenges and priorities. This experience ensures a deep understanding of your
system’s unique needs and a tailored approach to addressing them effectively.
Trevor Datwyler, PE - Collection and Distribution Facility Planning
Trevor, our Utility Planning Practice Leader, will lead the horizontal asset team.
With over 18 years of experience, he helps utilities optimize capital spending using
maintenance data and failure probability models. As the QA/QC engineer for your
2018 Water Facility Plan, Trevor’s familiarity with the City’s infrastructure ensures a
targeted and effective approach.
Scott Buecker, PE - AWWTP Lead
Scott, our Wastewater Practice Leader, brings over 25 years of wastewater consulting
experience across the western United States. He will guide the wastewater treatment
team such that the facility plan trajectory aligns with your big picture needs for your
wastewater facility.
Senior QA/QC Team
The Senior QA/QC team will remain engaged throughout the project, providing both technical
leadership and quality assurance/quality control (QA/QC) oversight. They will focus on maintaining
technical standards, addressing potential issues early, and reviewing key project milestones to ensure
quality is upheld throughout the design and implementation process.
Support Staff
Support staff will draw upon our team’s well-honed processes and standards to maximize efficiency,
collaboration, and quality.
Clay Martins, EITLocal Project Engineer
2. RELEVANT COMPANYEXPERIENCE
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 2
We have extensive experience in modeling and analyzing water systems, wastewater collection, and wastewater treatment systems,
as well as coordinating and implementing permitting and public/private agency requirements, including MDEQ. To demonstrate this
experience, we’ve highlighted several projects below and on the following pages. Each project involved key personnel listed in the previous
section and reflects the breadth of services needed for your plan updates.
We invite you to contact our listed references to learn more about the projects and how AE2S and our team members helped each
client, all while remaining on budget and meeting schedule requirements!
WASTEWATER COLLECTION FACILITY PLAN
Bozeman, Montana
The City of Bozeman’s rapid growth prompted the need to
update its wastewater collection model. AE2S was selected for
the update, which included identifying six new flow monitoring
locations, deploying area velocity meters, and surveying trunk sewers
10 inches and larger.
Approximately 1,500 of the City’s 4,900 manholes were
surveyed, with additional elevation data updated using as-built and
DEM data. Wastewater flows were characterized using land use
maps, water meter data, and duty factors to project future system
loading. Inflow and infiltration were also analyzed to develop
planning numbers.
The updated hydraulic model, incorporating new survey data
and flow information, was used to assess the current system and
plan for future needs. Phase 2 includes a Collection System Risk
Assessment to prioritize improvements, a Capital Improvements
Plan outlining near- and long-term projects with cost estimates and
an interactive map, and a Comprehensive Facility Plan compiling
findings from both phases.
Client: City of Bozeman
Client Contact:
Lance Lehigh, PE - Engineer
406-582-2284
Proposed Completion Date:
December 2024
Actual Completion Date:
In progress and on track
Original Contract Cost:
$612,000
Final Project Cost:
In progress and on track
Key Team Members:
Zach Magdol, Project Manager
Trevor Datwyler, Risk Lead
Donovan Voeller, Lead Modeler
Travis McStraw - Risk and Model
Support
Jacob Calhoon- Risk and Model
Support
Key Project Elements Related to this Project:
• Collection System Model Update
• Model Scenario
Development
• Existing and Future
Collection System Analysis
• I&I Calculation and
Allocation
• Risk Assessment
• Capital Improvement Plan
WATER SYSTEM FACILITY PLAN
Helena, Montana
The City of Helena operates a complex water system with
13 pressure zones, two primary water sources, numerous booster
pump stations, and multiple storage tanks. To maintain an accurate
hydraulic model, the City routinely updates it to reflect current
infrastructure and operations.
AE2S conducted a detailed calibration of this model, which is
now used to identify system deficiencies, determine optimal pressure
zone divisions, and evaluate potential storage facility sites. The
City’s GIS data, including historical work orders, is also utilized for a
system-wide risk assessment of the water distribution network.
The findings from the risk assessment, along with the hydraulic
model’s performance analysis, will guide recommendations for
improving system performance and inform the City’s future capital
improvement projects. This integrated approach ensures the City can
meet current demands while preparing for future growth.
Client: City of Helena
Client Contact:
Jamie Clark, PE - Civil Engineer
406-447-8000
Proposed Completion Date:
December 2021
Actual Completion Date:
December 2021
Original Contract Cost:
$310,000
Final Project Cost:
$310,000
Key Team Members:
Trevor Datwyler, Project Manager
Key Project Elements Related to this Project:
• Model Calibration
• Risk/Consequence Analysis
• Identification of System
Deficiencies
• Water Storage Evaluation
2RELEVANT COMPANY EXPERIENCE
WATER AND WASTEWATER FACILITY PLAN
Belgrade, Montana
Facing rapid growth, the City of Belgrade, MT, must meet
unprecedented demands on its water and wastewater infrastructure.
To address these challenges, Belgrade has partnered with AE2S to
ensure sustainable and reliable utility services.
Belgrade’s water distribution system is currently at capacity,
particularly during peak summer demands. Our efforts started with a
calibrated distribution model that will guide future assessments and
decisions. AE2S will also evaluate the oldest parts of the system that
need repair, aiming to enhance public health, conserve resources,
and ensure equitable access to water while complying with State and
EPA regulations.
In terms of wastewater, Belgrade’s system, especially the
Bolinger Lift Station, faces capacity challenges due to growth.
AE2S is focused on strategic upgrades and reducing reliance on
septic tanks that threaten groundwater quality. Despite community
concerns about rate increases, we are committed to balancing growth
with effective capital management.
AE2S’ expertise in hydraulic modeling and strategic planning
has supported Belgrade during this growth phase, enhancing utility
reliability, public health, and environmental stewardship.
Client: City of Belgrade
Client Contact:
Camaree Uljua, Director of Public
Works
406-388-3578
Proposed Completion Date:
December 2025
Actual Completion Date:
In progress and on track
Original Contract Cost:
$134,678
Final Project Cost:
In progress and on track
Key Team Members:
Zach Magdol, QA/QC
Trevor Datwyler, Technical Lead
Aidan Scheffel - Model Support
Key Project Elements Related to this Project:
• Streamlined GIS Process for Model Updates
• Collaboration with Airport
over Shared Water Sources
and Metering Challenges
• Public and Stakeholder
Engagement in Master Plan
Update
• Flow monitoring for I/I
Analysis and Model
Calibration
WATER MODEL UPDATE AND SANITARY CAPACITY MODEL
Great Falls, Montana
The City selected AE2S to update its water model and provide
staff training. The water model features very detailed and customized
operational procedures to help develop operational strategies that
allow the City to model scenarios to identify and test potential
system improvements and operational changes - for instance taking
the 33rd Street Tank offline for repairs/replacement. The model
will prove to be extremely useful when assessing the resiliency of the
water system.
Following successful completion of the water model update,
the City selected AE2S to complete its sanitary sewer capacity
model. Though in it’s initial stages (we are currently completing a
three month City-wide flow monitoring program), the model will
identify system deficiencies and future growth scenarios and feed
improvement recommendations into the City’s CIP.
Client: City of Great Falls
Client Contact:
Jesse Patton, PE, City Engineer
406-455-8124
Proposed Completion Date:
October 2024
Actual Completion Date:
October 2024
Original Contract Cost:
$409,858
Final Project Cost:
$409,858
Key Team Members:
Trevor Datwyler, Project Manager
Donovan Voeller, Hydraulic
Modeler
Key Project Elements Related to this Project:
• Water System Model Update
• Collection System Model
Update
• Model Scenario
Development
• Existing Collection System
Analysis
• Risk Assessment
• Capital Improvement Plan
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 3
2RELEVANT COMPANY EXPERIENCE
WASTEWATER TREATMENT PLANT MASTER PLAN
Medicine Hat, Alberta
The City of Medicine Hat treated about seven million gallons
per day of municipal and industrial wastewater at its treatment plant.
To address potential regulatory changes, capacity needs, and aging
infrastructure, the City selected AE2S and a local teaming partner to
develop a master planning document.
The master plan aimed to serve as a comprehensive roadmap
for wastewater treatment over the next three decades. The team,
which included engineers, scientists, technologists, and operators,
created a plan that was understandable and achievable, considering
the regulatory uncertainty and budget constraints at the time. Their
approach focused on finding creative, cost-effective solutions for
immediate challenges while planning for larger-scale upgrades.
The Master Plan included five key components:
• Data collection, analysis, and projections
• Comprehensive facility review, including capacity and
biological modeling
• Detailed assessment of processes and infrastructure
• Regulatory review and water quality modeling
• Capital improvement plan with an implementation
strategy.
Client: City of Medicine Hat
Client Contact:
John Michalopoulos
Manager of Treatment Plants
403-502-0897
Proposed Completion Date:
February 2021
Actual Completion Date:
February 2021
Original Contract Cost:
$309,473
Final Project Cost:
$309,473
Key Team Members:
Scott Buecker, Process Engineer
Jason Benson, Process Engineer
Scott Schaefer, Technical Advisor
Key Project Elements Related to this Project:
• Wastewater Treatment Plant Master Planning
• Future Flow and Load
Generation Estimates
• Kepner-Tregoe Decision
Analysis
• Treatment Capacity
Modeling
• Capital Improvements Plan
with Near-and-Long-Term
Recommendations
WEST END SEWAGE TREATMENT PLANT FACILITY PLAN
Winnipeg, Manitoba
Developed a comprehensive facility plan to address capacity,
condition, and regulatory requirements for the next 30 years. Using
City-provided growth projections and historical data, a realistic
estimate of future treatment capacity needs was created. This was
paired with a detailed analysis of existing treatment unit capacities
and bottlenecks to establish a framework for future upgrades.
AE2S and a local teaming partner conducted an in-depth
condition assessment of process equipment and developed a risk
and criticality matrix to prioritize rehabilitation and replacement
of critical infrastructure. The plan includes a regulatory review to
account for anticipated, more stringent effluent requirements.
A Capital Improvements Plan was then created to address
the City’s long-term capacity, condition, and compliance needs.
Innovative solutions, such as Membrane Aerated Biological Reactors
and Dense Activated Sludge, were incorporated, providing a cost-
effective pathway projected to save the City of Winnipeg millions of
dollars in treatment improvements over the coming years.
Client: City of Winnipeg
Client Contact:
Arash Kiayee, Project Engineer
204-918-1391
Proposed Completion Date:
December 2023
Actual Completion Date:
December 2023
Original Contract Cost:
$322,550
Final Project Cost:
$322,550
Key Team Members:
Scott Buekcer, Technical Support
Zach Frieling, Operations and
Optimization
Key Project Elements Related to this Project:
• 30-Year Comprehensive Facility Plan
• Condition Assessment and
Risk Prioritization
• Regulation Readiness
• Innovative, Cost-Effective
Solutions
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 4
2RELEVANT COMPANY EXPERIENCE
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 5
WRRF IMPROVEMENTS AND EFFLUENT
Big Sky, Montana
AE2S was selected by the Big Sky County Sewer and Water
District to provide an Effluent Disposal and Reuse Study, along
with planning, design, and construction administration services to
upgrade the District’s Water Resource Recovery Facility (WRRF)
for advanced nutrient removal using membrane bioreactor (MBR)
technology.
Since 1996, the District has recycled 100% of its treated
effluent for irrigation, but rapid growth and strong opposition to
surface water discharge require additional reuse capacity. AE2S
designed an upgraded WRRF with MBR technology capable of
serving 10,700 single-family equivalents while significantly reducing
nitrogen and phosphorus discharge. The high-altitude location at
6,200 feet created unique design challenges, including cold-weather
considerations.
AE2S also developed a Reuse Management Plan estimating
effluent generation and reuse demands for decades ahead,
identifying opportunities like snowmaking and groundwater
discharge with nutrient offsets for decentralized septic systems. In
addition, a Potable Reuse Study is underway to assess options if
other reuse methods cannot meet future growth needs. Potable reuse
could provide dual benefits by enhancing the community’s water
supply and addressing effluent management, ensuring long-term
sustainability for the District.
Client: Big Sky Water and Sewer
District
Client Contact:
Johnny O’Connor
Executive Director
785-639-5564
Proposed Completion Date:
September 2024
Actual Completion Date:
In progress
Original Contract Cost:
$41.8 Million
Final Project Cost:
In progress
Key Team Members:
Scott Buecker, Project Manager
Jason Benson, Process Engineer
Scott Schaefer, Technical Advisor
Adam Wahler, Electrical Engineer
Kirk Ehlke, Structural Engineer
James Sletten, I&C/SCADA
Zach Frieling, Operations and
Optimization
Key Project Elements Related to this Project:
• WWTF Expansion with Limits-of-Technology Treatment
• Very Low Nutrient Limits
• Discharge Permitting
• Effluent Reuse and Disposal
Study
• Treatment Process Modeling
• Utility Planning, Modeling, Design, Bidding, Construction Oversight, and Post-Construction
DRINKING WATER MASTER PLAN AND TREATMENT
Otsego, Minnesota
AE2S was retained in 2019 to develop a long-range Master Plan
for the City’s drinking water system and continues to work with
the City to implement improvements and adjust plans as needed.
The Master Plan provides a roadmap for future infrastructure
investments, including system assessments, treatment goals, storage
benchmarks, distribution planning, treatment alternatives, and a 20-
year capital improvement plan.
Otsego’s water system includes eight municipal wells, four well
houses with chemical addition, four elevated storage tanks, and two
pressure zones. Key projects under design or construction include:
• East-West System Interconnect (completion expected late 2023)
• Booster Station Improvements (completion expected late 2023)
• Conventional filtration pilot study at Well 4 (completed in 2023)
• Design and planning for iron, manganese, and radium removal
plants at Wells 3 and 4
• Ongoing well siting (two new wells drilled to date)
Client: City of Otsego
Client Contact:
Kurt Neidermeier
Utility Manager
763-458-4219
Proposed Completion Date:
December 2019
Actual Completion Date:
February 2020
Original Contract Cost:
$96,000
Final Project Cost:
$96,000
Key Team Members:
Donovan Voeller, Hydraulic
Modeler
Scott Schaefer, Advisor
Key Project Elements Related to this Project:
• 30-Year Comprehensive Facility Plan
• Condition Assessment and
Risk Prioritization
• Regulation Readiness
• Innovative, Cost-Effective
Solutions
3. COMPANYQUALIFICATIONS
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 6
Our extensive experience in municipal facility planning and water/wastewater
treatment allows us to deliver proven solutions that enhance efficiency and reduce costs.
Additionally, our knowledge of regional utility best practices equips us to provide valuable
resources and insights, ensuring your utilities operate at peak performance
The following matrix highlights professional services AE2S provides to similar clients.
As with the contract references in the previous section, we invite you to contact our
references to discuss our performance, the solutions we provided to address their unique
challenges, and our level of client service. Additional details on our team’s qualifications
and expertise can be found in the resumes provided in Appendix A.
Client Service Duration Distribution Modeling Collection Modeling Water Supply Planning
Water Treatment Planning
Wastewater Treatment Planning
City of Belgrade, MTCamaree UljuaDirector of Public Works406-388-3578culjua@belgrademt.gov
2016 - Present ✔✔✔✔✔
City of Bozeman, MTShawn Kohtz, Director Of Utilities406-582-2929skohtz@bozeman.net
2011 - Present ✔✔✔✔
Big Sky Water and Sewer District, MTJohnny O’ConnorExecutive Director785-639-5564johnny@wsd363.com
2017 - Present ✔✔✔✔✔
City of Helena, MTJamie Clark, City Engineer406-447-8000jclark@helenamt.gov
2017 - Present ✔✔✔
City of Whitefish, MTCraig WorkmanDirector Of Public Works406-863-2455cworkman@cityofwhitefish.org
2016 - Present ✔✔✔
City of Fargo, NDTroy Hall, Water Utility Director701-476-6741thall@fargond.gov
2002 - Present ✔✔✔✔✔
Don’t just take our word for it, hear it from our clients!
“Our team has had extremely valuable discussions as a result of all the work the AE2S team has put
into our draft recommendations. It was clear to everyone in the Engineering group that the format
and level of analysis will be the new standard moving forward. We can’t thank them enough for all
the knowledge and experience they bring to the table, as we look forward to a more formal review in
the weeks ahead. I am confident that the citizens of Bozeman will benefit for years to come.”
- Jon Henderson,
City of Bozeman Strategic Services Director
AE2S holds the necessary business licenses to operate in Kalispell, and the majority of our team members are licensed professional engineers in the
Montana.
4. CONTRACT UNDERSTANDING AND APPROACH
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 7
The 2018 Water Facility Plan Update, 2019 Wastewater Facility Plan Update, and 2019 AWWTP Facility Plan Update provided valu-
able roadmaps for the City, outlining near-, mid-, and long-term capital improvement projects. In the approximately six years since these
Plans were finalized, the City has grown to 30,000 people, experienced economic uncertainties from COVID-19, and yet has still accom-
plished many of the recommendations laid out in those Plans, a testament to the resiliency and initiative of City staff. As you continue to
make progress toward completing additional capital improvement projects, it is now time to verify and re-prioritize known project needs,
and to develop a new set of recommended projects. Some of the key factors prompting the need for Facility Planning updates include:
Factors Driving the Need for a Facility Plan Update
Growth
The City has grown by 7,000 people since 2016, with an average annual population increase of 3.8%. This high growth necessitates updating your demand projections. The 2019 WWFPU anticipated a population of 30,000 by 2033, but this milestone may be reached sooner. And more than ever, Kalispell is the business hub for the Flathead Valley, with daily workforce influx relying on City infrastructure.
Progress
The City has completed many projects from previous Plans, with our proposed team directly involved in planning and designing several of them. For example, we assisted in sizing Lift Station (LS) 9 and 36 upgrades and provided structural and electrical design for these facilities, gaining valuable experience in the City’s processes from planning to project delivery.
Aging Infrastructure
The risk assessment and R&R programs from previous Plans have addressed critical aging infrastructure needs, but more work remains. Water and wastewater environments are tough on equipment, making regular facility checks essential to prevent service loss.
Regulatory Changes
Water and wastewater regulations are constantly evolving, and Kalispell remains proactive in shaping its future. Facility Plans must account for recent and anticipated regulatory changes to ensure improvements meet performance targets without over- or under-shooting.
Neighboring Community Changes New Legislation
Evolving Technology Construction Inflation
Evergreen Water and Sewer District is is in a similar master planning process, while Flathead County has postponed a regional biosolids project that would have benefited Kalispell. These agencies influence, and are influenced, by Kalispell’s plans, requiring adaptable Facility Plans to respond to changing conditions.
Advancements in hydraulic modeling, decision-making tools, and AI are transforming the engineering industry. AE2S stays on the cutting edge, carefully adopting technologies that
deliver the best cost-benefit to clients.
The recent Montana Land Use and Planning Act requires communities over 5,000 to comply with several new planning requirements. Most impactful of these requirements to water and wastewater planning is the need to consider higher densities.
Since 2020, infrastructure construction costs have surged 30-50%, outpacing most sectors. Our team addresses these challenges with strategic planning, including project phasing, consolidation,
and leveraging combined funding sources—proven methods that have saved costs for Montana communities while adapting to economic shifts.
With extensive experience navigating the complex interplay of these factors, we bring a comprehensive, forward-thinking approach to Facility Planning, ensuring your investments are resilient, adaptive, and aligned with future demands.
Water Distribution Modeling Software
Considerations
Our project team has experience using
a variety of water distribution software
packages from several suppliers. Each
software offers the same basic functionality,
with each provider having enhancements
with various functions of the model. For
example, one supplier’s user interface may
be more graphically driven, while another
may be more data management focused,
and they all have different user-interface
platforms.
The primary options for software
and providers include AquaTwin Water
by Aqanuity, InfoWater Pro by Autodesk,
EPANet, and WaterCAD and WaterGEMS
by Bently. The table to the right
summarizes the five most prominent water
distribution system modeling platforms.
At the end of the day, AE2S can create the City’s distribution system
model in any of the software listed above. While InfoWater Pro has been
the workhorse behind Kalispell’s model analysis for the past several
years, AquaTwin Water is our recommendation. The Aquanuity suite
provides best-in-class water and collection system modeling platforms,
providing efficiency to the modeler and ultimately the City.
Recommendations for Modeling Software
Wastewater Collection System
Modeling Software Considerations
Our project team has experience using
a variety of wastewater collection software
packages from several suppliers. The
primary options for software and providers
are summarized in the table to the right
and include AquaTwin Sewer by Aqanuity,
InfoSewer, InfoSWMM, InfoWorks ICM,
and XPSWMM by Autodesk (formerly
Innovyze), PCSWMM by Computational
Hydraulics Institute, and SewerCAD and
SewerGEMS by Bentley.
Software User Interface Software Support Scenario Management
Ease of Conversion from Current City Model
GIS Integration Cost
AquaTwin Water ✓ ✓ ✓✓ ✓ ✓✓ ✓ ✓✓ ✓ ✓✓ ✓ ✓$$
InfoWater Pro ✓ ✓✓ ✓✓ ✓ ✓ N/A ✓ ✓$$
EPANet ✓✓ ✓✓ ✓Free
WaterCAD ✓ ✓✓ ✓✓ ✓✓ ✓✓$$$
WaterGEMS ✓ ✓ ✓ ✓ ✓✓ ✓✓ ✓✓ ✓$$$
Water Distribution System Modeling Software Comparison
4CONTRACT UNDERSTANDING AND APPROACH
Software User Interface Software Support Scenario Management
Ease of Conversion from Current City Model
GIS Integration Cost
AquaTwin Sewer ✓ ✓ ✓✓ ✓ ✓✓ ✓ ✓✓ ✓✓ ✓ ✓$$
InfoSewer ✓ ✓None ✓ ✓ ✓ N/A ✓ ✓Free
InfoSWMM ✓ ✓None ✓ ✓ ✓N/A ✓ ✓ Free
InfoWorks ICM ✓ ✓ ✓✓ ✓✓ ✓✓$$
PCSWMM ✓ ✓✓ ✓ ✓ ✓✓ $
SewerCAD ✓ ✓✓ ✓✓ ✓✓✓ $$$
SewerGEMS ✓ ✓ ✓ ✓ ✓✓ ✓✓✓ ✓ $$$
XPSWMM ✓ ✓✓ ✓✓ ✓ ✓✓✓ ✓ $
Wastewater Collection System Modeling Software Comparison
AE2S is experienced with all the listed modeling software, but the discontinuation of InfoSewer and InfoSWMM support requires a platform change. For its scalability, scenario analysis, growth planning, ease of use, and robust computational engine, AquaTwin Sewer is our top choice, offering excellent GIS integration and customer support.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 8
* AE2S has software licenses and experience in all of these platforms.
4CONTRACT UNDERSTANDING AND APPROACH
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 9
Hydraulic Modeling Challenges and Opportunities
Hydraulic models for distribution and collection systems are inherently data-intensive and complex. However,
their ultimate purpose is to provide clear value for utility planning and decision-making. While sophisticated
models may be necessary in some cases, their long-term utility diminishes without clear, concise guidance on their
use, modification, and regular updates.
The City has already made substantial investments in model development and enhancements through previous
master planning efforts and ongoing annual updates. As you continue leveraging these tools to guide infrastructure
decisions, we are committed to supporting your efforts with accurate, well-maintained models that illuminate both
current and future system needs.
Our approach places the importance of hydraulic modeling at the forefront, ensuring these tools remain
practical and actionable. We are prepared to navigate the complexity of maintaining and updating your models,
ensuring they remain reliable assets for your planning and operational strategies.
CHALLENGE AE2S VALUE AND APPROACH
Data Loss
During Model
Conversions
No matter how much the software
vendors promise a smooth conversion
to their modeling platforms, there is
going to be a high risk of data loss.
The scenarios and GIS attributed
data will not directly transfer from
one modeling platform to another
unfortunately.
• While there is not a simple solution to eliminate the risk of
data loss, AE2S is intimately familiar with your models and will
ensure that this data that represents a significant amount of
time and resources is not lost during the software transition.
We will carefully export/import, and re-associate asset
information using GIS tools.
Model Updates With the rate at which the City is currently growing, it does not take long for a utility model to become outdated without intentional routine updates.
• Your AE2S team is very experienced in updating both your water and sewer models. This process has become a very well-oiled machine with Donovan working closely with your staff to routinely incorporate new infrastructure. If the pace of updates accelerates and the City wishes to consider automated tools, Esri has released some simplified FME tools recently that could expedite the model update process.
Modeling for Growth and Incorporating Existing Efforts
Managing model network elements for the facility plan as well as growth and development assessments results in multiple data sets, creating the potential for data loss/corruption.
• AE2S utilizes the scenario management features within the modeling software to differentiate between existing, short-term, and long-term scenarios. We will collaborate with the City to identify, name, and describe the required modeling scenarios. Our recommended use of the activation features readily calls on “active” model elements from the GIS database so the City can be confident the model is correctly analyzing the existing system. Additionally, the element activation features will call on “short-term” and “long-term” model elements for the City to assess future scenarios.
4CONTRACT UNDERSTANDING AND APPROACH
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 10
CHALLENGE AE2S VALUE AND APPROACH
Complex Model
Results
Hydraulic models provide a substantial
amount of results and data that need
to be consumed and understood by
City staff and community members.
Hydraulic models and their output
can be very complex and often fail to
provide actionable easily-accessible
information. The City recognizes the
value of deliverables that effectively
communicate hydraulic model results
and recommendations.
• The previous facility plans we developed included clear,
visual graphics that helped both City staff and the public
understand the rationale behind our recommendations and
the timing of their implementation. To streamline the creation
of these high-quality deliverables, we use a one-to-one
relationship between GIS data and hydraulic models (asset
IDs) to integrate model results seamlessly.
• In addition to the familiar Graphical Executive Summaries, we have now developed new interactive tools for the CIP and Facility Plan. These tools offer greater detail and functionality compared to traditional PDFs, providing an enhanced, user-friendly way to explore and understand the plan’s components.
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Upper Zone - Criteria 1 Storage Requirements
Lower Zone - Criteria 1 Storage Requirements
Criteria 1 Storage Requirements:Each zone must have adequate operational and fire storage
Graphic developed for the 2018 WFPU Executive Summary and report showing the timing of additional water storage needs.
We have created new interactive tools for the CIP and Facility Plan, offering more detail and functionality than traditional PDFs. These tools provide a user-friendly, enhanced experience for exploring and understanding the plan’s components.
Hydraulic Modeling Challenges and Opportunities
4CONTRACT UNDERSTANDING AND APPROACH
The City’s Advanced Wastewater
Treatment Plant (AWWTP) is an
exceptional treatment facility with
excellent nutrient removal performance.
We understand that the City has
had recent success with Montana
Department of Environmental Quality
(DEQ) on effluent permitting in Ashley
Creek. This may enable the City to
delay any potentially expensive and only
marginally beneficial improvements to
the treatment process. Improvements to
Biosolids Management are needed with
the eventual closure of Glacier Gold
Composting’s facility in Olney, and the
planning of those improvements is being
finalized.
The City of Kalispell has grown
substantially since the last Facilities
Plan Update was completed in 2019. A
comprehensive update is needed to the
wastewater flows and loading (BOD/
COD, TSS, Nitrogen and Phosphorus)
to the AWWTP.
The AWWTP liquids treatment
process includes screening, grit removal,
primary clarification, a Modified
Johannesburg process for biological
nutrient removal (BNR), secondary
clarification, secondary effluent sand
filtration, UV disinfection, and effluent
reaeration.
The biosolids treatment train includes
fermentation of primary sludge, anaerobic
digestion of primary sludge, and digested
sludge and WAS dewatering for ultimate
disposal. Historically approximately 75%
to 80% of the dewatered biosolids has been
provided to Glacier Gold Composting, with
the remainder being landfilled at the Flathead
County Landfill.
The following page highlights critical
components and foreseeable needs at the
AWWTP. We have identified potential
challenges and possible solutions associated
with each identified need. We have mined the
contents of the 2019 Facilities Plan updates
so we don’t “reinvent the wheel” and provide
the City with efficient delivery of the updated
Facility Plan, but we will also bring our own
unique ideas and problem solving know-how
for this new facilities plan.
Key Challenges the City is Facing
Biosolids Management
Address the impact of Glacier Gold Composting’s closure on disposal methods.
Increased Wastewater Loads
Update analysis of flows and loading due to Kalispell’s significant growth.
Deferred Upgrades
Plan for future treatment improvements despite current permitting flexibility.
Aging Infrastructure
Evaluate and address critical AWWTP components and
foreseeable needs.
Disposal Alternatives
Develop strategies to manage biosolids previously sent to composting.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 11
New Primary Clarification: Clarifier or Primary Filtration
Consider the potential advantages of installing primary
filters instead of new primary clarifiers. Primary filters
offer several benefits:
• Lower Cost: More affordable to construct and
install compared to primary clarifiers.
• Enhanced Fermenter Efficiency: Reduce the
volume of clean water sent to the fermenter,
improving fermenter operations.
• Space Savings: Require significantly less space,
offering flexibility in facility design or expansion.
• Improved Solids Capture: Provide better
operational control, resulting in more effective
solids removal.
While clarifiers remain a viable option, incorporating
primary filtration into future analyses offers an alternative
worth exploring to optimize performance and cost-
efficiency.
Primary ClarifiersIf primary filtration is determined to be the most viable option, it could unlock further advantages:• Repurpose Existing Infrastructure: Decommissioning primary clarifiers would free up space to convert them into additional equalization (EQ) volume.
• Enhanced Biological Nutrient Removal (BNR): A
portion of the new EQ volume could be repurposed
as an in-line fermenter, similar to Cell 1, to support
and improve BNR processes at the AWWTP.
This approach not only optimizes current assets but
also enhances overall plant performance and process
efficiency.
Secondary Treatment ProcessThe following strategies collectively aim to enhance treatment efficiency, meet future regulatory requirements, and ensure the long-term sustainability of the AWWTP:• Process Intensification: -Membrane Aerated Biofilm Reactor (MABR): Install MABR technology in the Anoxic Zones of the bioreactor. This system uses submerged membranes and low-pressure air to enable simultaneous nitrification and denitrification. MABR can increase total nitrogen treatment capacity by up to 50% without requiring additional reactor volume, making it a highly attractive intensification option. -Sludge Densification: Implement sludge densification equipment such as InDense to improve sludge settleability and increase overall treatment capacity. -Super-Intensification: Consider a novel approach that combines MABR with sludge densification,
leveraging the benefits of both strategies for maximum performance gains.• New Bioreactors: -The AWWTP currently processes all wastewater through a single biotrain. To achieve full redundancy, additional bioreactor volume could be constructed, and existing flow splits reconfigured to divide the single bioreactor into two independent reactors. -This configuration provides operational redundancy and enhances future treatment capacity, addressing the challenge of maintaining effluent limits as flows and loads increase.• New Post-Anoxic Zones: -Modify the final aerobic Cells 14 and 15 into a Post-Anoxic Cell and a Reaeration Cell to enhance nitrogen removal. -Introduce a step-feed of carbon-rich primary effluent or an external carbon source such as MicroC to boost nitrogen treatment capacity. -This approach, recommended in the 2019 Facility Plan Update (FPU), will be further evaluated alongside other upgrades to balance financial and nutrient removal goals.
Secondary ClarifiersWe will perform a state point analysis of the secondary clarifiers to determine their optimal operating range and predict when additional clarifier capacity may be needed. If sludge densification is pursued, we will also assess its impact on clarifier capacity and operational efficiency. In addition, operators have highlighted challenges such as algae growth and waterfowl activity, which negatively affect effluent quality. To address these issues, we will evaluate potential solutions, including the installation of dome clarifier covers as recommended in the 2019 Facility Plan Update (FPU). Our goal is to optimize clarifier performance while addressing operational challenges to improve overall plant efficiency and effluent quality.
Headworks and Influent PumpingThe lack of redundancy in screening and grit removal has been identified as a significant concern by AWWTP operators. Understanding and addressing the insights of operators and staff is critical for effectively diagnosing and anticipating facility challenges. These perspectives will be carefully integrated into the road map for the updated facility plan. Additionally, we will analyze updated future flow projections to identify the necessary upgrades for maintaining optimal firm capacity of the influent pumps. These pumps are vital for wastewater conveyance and the reliable operation of the City’s sewer system, making their performance a priority in the planning process. By combining operator input with forward-looking capacity analysis, we aim to
deliver a comprehensive and actionable facility plan update.
Anaerobic DigestersUpdated projections of future primary solids loading to the anaerobic digesters will guide predictions on when additional digestion capacity will be required. We will also evaluate aging equipment, including the heat exchanger and sludge pumps, to identify performance limitations. Using operator input, we will develop targeted recommendations for remediation or upgrades to ensure reliable and efficient operations. This proactive approach will help maintain system performance while preparing for future demands.
Primary FermenterThe fermenter is essential to reaching low effluent levels of
total phosphorus and nitrogen. We will evaluate its optimal operational
strategies and, using future solids loading projections, determine when
additional fermentation capacity may be required. Our analysis will include a
comparison of the financial and biological aspects of additional fermentation
versus external carbon (MicroC) addition. Additionally, if primary filtration is
implemented, we will assess its impact on fermenter capacity and efficiency.
Primary filtration could enhance fermentation performance, potentially
increasing capacity and delaying the need for an additional fermenter. This
comprehensive evaluation will ensure a balanced approach to optimizing
nutrient removal and cost efficiency.
Solids Handling
Currently, Waste Activated Sludge (WAS) and digested solids are dewatered
and either hauled to the landfill or sent to Glacier Gold. With the anticipated
closure of Glacier Gold and the landfill’s requirement for a minimum 25%
Total Solids (TS) product, we are collaborating with City staff to evaluate
necessary upgrades to the solids handling process. This effort will be
seamlessly integrated into the facility plan update, incorporating updated
future solids production projections to ensure the City is prepared for
evolving disposal requirements and maintains effective solids management.
Effluent Sand Filter and UV
We recognize that the existing sand filters are nearing the end of their
service life and that replacing the sand media is neither recommended
nor financially feasible. To address this, we will evaluate alternative tertiary
filtration technologies, such as deep-pile cloth filters, as a cost-effective and
efficient solution. The existing sand filters also present a hydraulic bottleneck
during peak flows. To mitigate this, we will model the system hydraulics and
design a new filtration facility capable of accommodating future hydraulic
demands while avoiding existing constraints. Additionally, we will assess
the capacity of the UV disinfection system to manage current and projected
flows. Using this analysis, we will develop a timeline for incorporating
additional UV banks to ensure adequate disinfection capacity in the future.
Re-aeration Basin
The reaeration basin faces several challenges, including its location in a
floodplain, past flooding incidents, exposure to environmental conditions
leading to elevated summer temperatures, and algae growth similar to
that observed in the secondary clarifiers, which can impact effluent quality.
To address these issues, we will collaborate with operators and City staff,
following the 2019 FPU recommendations to raise the basin walls above the
floodplain and install a cover. These measures will mitigate flood risks, reduce
temperature variability, and minimize algae growth. Additionally, we will
analyze the hydraulics of the reaeration basin in conjunction with the tertiary
filtration system design to ensure that the updated hydraulic requirements
associated with tertiary filtration do not conflict with the proposed basin wall
modifications. Our approach ensures a comprehensive solution that improves
basin performance and aligns with long-term facility planning.
Aeration Blowers
We will evaluate the existing blowers to determine their capacity to meet
future air demands at the AWWTP and conduct a life cycle cost analysis for
newer, more efficient technologies that may be more economical for the
City to install. Additionally, we will assess the air piping from the blowers to
the bioreactors, incorporating feedback from operators and staff, to identify
potential improvements in air routing for more efficient blower operations
and to address process air temperature variations.
Foul Air Biofilter
The biofilter has been operating effectively; however, we recognize that the
concrete bunker housing the biofilter requires rehabilitation. We will assess
the biofilter’s capacity to manage future odors.
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AWWTP Opportunities and Challenges
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Potential new facility footprint
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 12
5. APPROACH TO CONTRACT MANAGEMENT
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 13
Project Organization and Execution Plan
We have assembled a highly skilled, cohesive team comprising
both familiar faces and our firm’s top senior-level experts to take on
this substantial effort and deliver a comprehensive Facility Plan by
August 2025. Our team will be structured into two primary focus
areas: horizontal assets and wastewater treatment.
• Horizontal Assets: This branch will be led by Trevor
Datwyler, our Utility Planning Practice Leader, with
Donovan Voeller managing or overseeing all hydraulic
modeling tasks.
• Wastewater Treatment: Scott Buecker, our Wastewater
Practice Leader, will lead this team. With over 25 years of
wastewater consulting experience across the western U.S.,
Scott brings a wealth of expertise to the project.
Zach Magdol will serve as the overall Project Manager.
Known for his collaborative approach, Zach maintains an open and
transparent dialogue with Public Works staff, ensuring potential
roadblocks are addressed proactively and progress is consistently
communicated. His extensive experience developing water,
wastewater, and stormwater plans for Montana cities positions him
as an effective leader in navigating the complexities of this project.
To further strengthen our efforts, our organizational chart
includes key support staff with specialized expertise:
• Miranda Kleven, a Financial Analyst with over 30 years
of experience working with public utilities, will provide
critical financial insights to ensure a comprehensive and
practical plan.
• Alan Wendt, a Senior Project Engineer, brings a well-
established network of construction and engineering
professionals in the Flathead Valley, ensuring realistic
project cost estimates.
This cohesive team, backed by strong leadership and diverse
expertise, is well-equipped to meet the challenges of this project
and deliver reliable and actionable plans.
Service Initiation and Alignment with City Needs
Upon selection, our team will promptly transition into the
project scoping phase. Thanks to our recent work under the on-call
modeling contract and the efforts completed for this proposal, the
City can significantly reduce time spent on contract negotiations.
To streamline the process, we have included a detailed scope of
work and task descriptions with this proposal, identifying optional
scope items that can be adjusted or omitted to accommodate
budgetary and scheduling needs.
Basis of Planning
The Basis of Planning establishes the foundation for
the entire planning effort by defining key assumptions,
planning horizons, and objectives.
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Proposed Scope of Work
The following scope of work is informed by our extensive
experience with similar projects, the insights and lessons learned
during the development of the previous Water and Sewer Facility
Plan, and the requirements outlined in the RFP.
Water Facility Plan Update
The primary goal of the Water Facility Plan Update
(WFPU) is to identify and prioritize capital improvement
needs to accommodate near-, mid-, and long-term
growth.
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Wastewater Collection System Facility Plan Update
The main objective of the Wastewater Facility Plan
Update (WWFPU) is to assess and prioritize capital
improvement requirements to support short-, medium-,
and long-term growth.
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Wastewater Treatment Facility Plan Update
The goals of a Wastewater Treatment Plant Facility
Plan Update are to evaluate the current system’s
performance, identify future infrastructure needs, ensure
regulatory compliance, and develop a prioritized plan for
capital improvements.
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Basis of Planning
The Basis of Planning establishes the foundation for the entire planning effort by defining key assumptions, planning horizons, and objectives. While it is
often the least technical aspect of facility planning, it is undoubtedly the most critical to ensuring a successful outcome. Our experience working with the
City of Kalispell demonstrates that this foundational step can be both collaborative and efficient, setting the stage for a well-aligned and effective plan.
1
Task 1.1 Service Boundary and Planning Horizons
• Develop Existing Land Use Map: Create a map detailing zoning categories within the current city limits.
• Develop Infill Zoning Map: Identify areas for potential redevelopment with increased density. This growth scenario will consider Tax Increment Financing Districts as well as the Core Area, Downtown, and Core & Rail Development Plans.
• Develop Future Land Use Map: Establish water and wastewater growth model scenarios based on Growth Policy Future Land Use categories within the Annexation Policy Boundary. We will collaborate with you to understand the anticipated changes to the 2017 Growth Policy Plan and their implications for this effort.
• Propose Future Densities: Define proposed densities for each future land use category in consultation with the Public Works and Development Services departments.
• Define Planning Horizons: Coordinate with Public Works and Development Services to define near-term (5 years), mid-term (6–15 years), and long-term (>15 years) planning horizons, aligning with the predicted timing of development and growth in various areas.
• Project Future Population Growth: Analyze recent population trends and collaborate with City staff to project future growth. While the 2019 AWWTP Facility Plan assumes a 2% growth rate, this will be reassessed using updated data to ensure accuracy.
Task 1.2 Water Supply and Demand Evaluation
• Assess 5-Year Water Demand: Use customer meter data to characterize water demand over the past five years.
• Analyze Non-Revenue Water: Compare well production data to metered demand to quantify and analyze non-revenue water.
• Summarize Current Water Rights: Provide a detailed summary of existing water rights.
• Determine Future Water Duty Factors: Establish duty factors for allocating water demand in the hydraulic model, based on future land use scenarios.
Task 1.3 Wastewater Flows and Loads Evaluation
• Analyze Wastewater Flow Data: Summarize five years of flow data from the AWWTP, including dry- and wet-weather flows.
• Evaluate Collection System Monitoring Data: Review existing monitoring data and recommend additional data collection for model calibration.
• Allocate Inflow and Infiltration (I&I): Develop an approach for assigning I&I in the collection system hydraulic model. Drawing on recent experience with the City of Bozeman, we can use a dry-weather base inflow value to simulate areas with high groundwater. Additionally, we will create a conceptual hydrograph to visually represent the components of wastewater flow, aiding communication with City officials and the public.
• Develop Duty Factors and Analyze System Data: Duty factors (gallons per acre per day) will be developed for future land use categories identified in Task 1.1 using existing customer meter data.
• AWWTP Influent Data Summary: Review and summarize five years of influent data for key parameters, including BOD₅, TKN, TP, and TSS.
Elective Tasks:
• Deploy collection system flow monitoring for I&I characterization and model calibration. (Note: Spring monitoring is recommended for scheduling purposes.)
• Evaluate lift station SCADA data to determine peak inflow for model calibration and validation.
• Validate the BioWin model for current AWWTP performance.
1.4 Design Parameters and Performance Criteria Evaluation
• Compare the City’s development design standards with duty factors established in Tasks 1.2 and 1.3.
• Evaluate standards against performance criteria from the 2018 WFPU and 2019 WWFPU, recommending updates as needed.
Water Facility Plan Update
We will develop and rank capital improvement projects aimed at optimizing your existing system. The previous WFPU identified over 24
short-term capital improvement projects, several of which have already been successfully completed. For the remaining projects, we will
conduct a focused reevaluation to validate their costs, necessity, and effectiveness, incorporating updates to the planning boundary and
horizon to ensure alignment with current and future needs.
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Task 2.1 Hydraulic Model Update and Existing Conditions Validation Task 2.2 Future System Analysis Task 2.3 Risk Assessment
• Transition to AquaTwin Water Platform: Convert the existing InfoWater Pro model to the AquaTwin Water platform. This task has already been completed, with results validated against previous model versions.
• GIS Network Integration: Update the model using the most recent distribution system GIS data. Lessons from three years of annual updates will streamline this process, maximizing efficiency and ensuring accuracy. The model will also incorporate the new water tower, wells, and control systems slated to come online next year.
• Demand and Pattern Updates: Review diurnal patterns during recent dry weather periods to assess model accuracy. Demand allocation will be based on 2024 peak metered billing data to spatially distribute demand across the network. Updated average and peak day demands will inform adjustments, with proposed changes reviewed with City staff.
• Model Validation: Validate model accuracy by comparing extended simulation results for average and peak usage days to SCADA data, including observed tank levels, system pressures, and well production. This step, not addressed in past annual updates, is critical.
• Scenario Analysis: Assess the system under three scenarios: average day, peak day, and fire flow. Identify deficiencies using the performance criteria from the 2018 WFPU and any recommended updates from the Basis of Planning.
Deliverables• Updated water distribution system hydraulic model, existing conditions model result maps (PDF), GIS shapefile of the existing distribution system with attributed model results.
• Modeling Scenarios for Growth: Develop three long-term scenarios—average day, maximum day, and fire flow—and two interim maximum day scenarios to prioritize short- and mid-term improvements. Model results will guide the sizing of supply, storage, transmission, and pressure zone infrastructure to align with City and State standards.
Deliverables• Updated hydraulic model, recommended improvement project draft maps (PDF), GIS shapefiles of proposed distribution system with attributed model results.
AE2S VALUE Our on-call modeling efforts have given us valuable insights into key growth areas, which will serve as a foundation for this project. We will build on previous efforts as we look to expand the previously envisioned distribution system.
• Criteria Updates: Update the 2018 WFPU risk assessment with the latest City data, including CityWorks, completed projects, and updated GIS. Incorporate new regulatory requirements.
• Asset Evaluation: Analyze asset conditions based on maintenance records, work orders, and system failures.
• City Collaboration: Refine risk criteria, scoring, and weighting in consultation with City staff.
Deliverables• Risk evaluation criteria summary, risk model maps (PDF), and GIS shapefiles of the updated assessment.
Task 2.4 Capital Improvement Program (CIP)
• Project Prioritization: Determine costs for all recommended improvement projects. Establish anticipated timeframes and prioritization for projects.
Deliverables• CIP schedule (summary table), shapefiles to incorporate into City GIS platform showing recommended improvement projects. Excel workbook with improvement project cost estimates and simple graphics showing concept design.
Task 2.5 Water Facility Plan Update
• Comprehensive Report: Compile all analysis, methods, and recommendations into a report. The report will include a summary of the Basis of Planning, Model Update, Existing System Conditions Evaluation, Future System Recommendations, Risk Assessment, and the CIP.
• Executive Summary: Develop a graphical summary to communicate findings to City officials and the public.
Wastewater Inflow and Infiltration Hydrograph
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 14
Wastewater Collection System Facility Plan Update
The primary goal of the Wastewater Facility Plan Update (WWFPU) is to identify and prioritize capital improvement needs to accommodate near-, mid-,
and long-term growth. Additionally, the WWFPU will outline projects to optimize the current wastewater collection system. Your previous WWFPU
identified more than 25 short-term capital improvement projects, several of which have already been completed. Remaining projects will be reevaluated
to confirm their cost-effectiveness and relevance within the updated planning boundary and timeline.
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3.1 Hydraulic Model Update and Validation
• Platform Transition: Convert InfoSWMM and InfoSewer models to the AquaTwin Sewer platform. We have taken preliminary steps to complete this task to verify that model results are consistent with previous model versions.
• GIS Integration: Update the network model with current GIS data and recently completed lift station improvements.
• Wastewater Loading Update: Incorporate SCADA-derived diurnal patterns and 2023/2024 winter billing data to spatially allocate loads. Updated average and peak conditions will inform model adjustments, reviewed with City staff.
• Analysis and Validation: Compare modeled results to SCADA data for average and wet weather conditions. Evaluate system performance against 2019 WWFPU criteria and updated standards. While this has been updated for a number of lift stations within the system it is still a critical task because it has not been completed at the AWWTP beyond annual model updates.
Deliverables• Risk evaluation criteria summary, risk model maps (PDF), and GIS shapefiles of the updated assessment.
Task 3.2 Future System Analysis
• Growth Modeling: Develop average day and wet weather scenarios for the long-term buildout. Two interim wet weather scenarios will also be developed to assist with prioritizing the short and mid-term improvement projects.
• Capital Project Planning: Develop and size wastewater collection system infrastructure (gravity main, lift station, force main) to meet each growth horizon and maintain City and State standards. Develop logical capital improvement projects using model results.
Deliverables• Updated hydraulic model, recommended improvement project draft maps (PDF), GIS shapefiles of the proposed collection system with attributed model results.
Task 3.3 Risk Assessment
• Criteria Updates: Review and update the existing risk assessment from the 2018 WWFPU using the latest information provided by the City including information from CityWorks, projects completed since the last WWFPU, and updated City GIS. New regulatory requirements will also be considered while evaluating existing risk criteria.
• Risk Analysis: Review asset conditions using updated work orders, maintenance history, sewer overflows, and records of breaks and failures.
• Collaboration: Work with City staff to update existing risk criteria, scoring, and weighting for the risk assessment.
Deliverables• Updated risk evaluation criteria summary for risk assessment, risk model result maps (PDF), GIS shapefiles of the updated risk assessment.
Task 3.4 Capital Improvement Program (CIP)
• Project Development: Identify risk- and growth-driven projects, estimate costs, and work with City staff to define priority and timing.
Deliverables• CIP schedule (summary table), shapefiles to incorporate into City GIS platform showing recommended improvement projects. Excel workbook with improvement project cost estimates and simple graphics showing concept design.
Wastewater Treatment Facility Plan Update
The goals of a Wastewater Treatment Plant Facility Plan Update are to evaluate the current system’s performance, identify future infra-
structure needs, ensure regulatory compliance, and develop a prioritized plan for capital improvements.
4
Task 4.1 Future Flow and Loading Assessment
• Growth Projections: Use population growth projections from the Basis of Planning and specific per capita flow and loading estimates to develop future flow and loading projections. These projections will be used to assess the utilization of existing AWWTP infrastructure and the ability of the existing processes to successfully treat projected loading as well as determine the effectiveness of upgrade alternatives.
Task 2.2 Future System Analysis
• Model Refinement: Update the BioWin model of the AWWTP with the most recent default and facility specific values. We already have the BioWin model and have updated the model for current operations and will be able to quickly use the model for predicting future treatment scenarios.
• Model Validation: Validate model results with actual effluent data collected at the AWWTP for better calibration of the model to the most recent values.
Task 4.3 Effluent Permit and Regulatory Review
• Regulatory Analysis: Review the existing NPDES permit for the AWWTP and use our understanding of industry trends and Montana DEQ to predict what may be coming in terms of future regulatory changes. This is crucial for assessing the performance of the AWWTP as meeting the future regulations is essential and drives the alternatives that are evaluated for treatment upgrades.
Task 4.6 Capital Improvement Program (CIP)
• Cost and Prioritization: Determine costs for all recommended improvement projects. Work with City staff to prioritize anticipated projects for implementation and phasing. It is essential to identify and prioritize projects in a timeframe that is most efficient and is the best use of the City’s budget.
Task 4.7 AWWTP Facility Plan Update Report
• Comprehensive Report: Compile a report detailing the full Facility Plan Update including all assumptions, analysis methods, alternatives evaluated, recommendations.
• Graphical Decision Tree: Provide a decision-making tool for City officials to plan future upgrades effectively.
SWMM Versus TwinSewer Results
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 15
AE2S VALUE Similar to the water future system analysis, our on-call modeling efforts have given us valuable insights into key growth areas, which will serve as a foundation for this project. Leveraging these prior efforts, we will further refine and expand the previously envisioned collection system to meet future demands.
3.5 Wastewater Collection Facility Plan Update
• Comprehensive Report: Compile all analysis, methods, and recommendations into a report. The report will include a summary of the Basis of Planning, Model Update, Existing System Conditions Evaluation, Future System Recommendations, Risk Assessment, and the CIP.
• Executive Summary: Develop a graphical summary to communicate findings to City officials and the public.
Task 4.4 Risk and Condition Assessment
• Workshop and Matrix Development: We will conduct a risk assessment workshop with City staff to identify current risks, concerns, and the condition of existing facilities. This will help develop a risk assessment matrix that can be used as a tool for establishing risk mitigation strategies.
Task 4.5 Detailed Process Evaluation and Alternatives Screening
• Process Review: We will evaluate the existing process, work with operations staff, and utilize the work completed in the 2019 AWWTP FPU to identify any deficiencies in the process. We will analyze upgrades identified in the 2019 AWWTP FPU to determine the feasibility and effectiveness of these upgrades in the face of current conditions and use this existing work when appropriate.
• We will build upon this work to develop upgrade alternatives that meet the long-term objectives of the City. We have already begun brainstorming possible upgrade alternatives that may benefit the City in achieving these goals as highlighted in this proposal, and look forward to discussing these with City staff.
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6. OTHERFACTORS
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL 17
We value building strong relationships
with the people we work with, and a core
part of that is delivering on our promises.
While project schedules can occasionally
be affected by industry challenges like
equipment delays or owner-requested scope
changes, we pride ourselves on maintaining
discipline in adhering to schedules and
budgets. Our team excels at aligning
resources to fulfill our commitments, as
reflected in the trust of repeat clients who
rely on us for their most critical projects.
Section 2 - Relevant Company Experience
highlights our proven track record, with
detailed schedule and budget performance
from previous projects.
Commitment to Budget and Professional Service
Methods to Maintain Schedule and Budget -
Always Knowing Where We Are!
Our project managers use Deltek VantagePoint to efficiently manage budgets, schedules, workloads, and resources across multiple projects from a single platform.
Project PlanProject execution, including a detailed breakdown of tasks with level of effort to complete.
MonitoringWeekly monitoring of budget expended, results, and effort needed for completion.
Assignment
Delegation
Current Contracts and Ability to Proceed Promptly
Our utility planning team is recognized
for handling a high volume of work across
Montana and the surrounding regions.
Currently, we are leading utility planning
studies for communities including
Whitefish, Bozeman, Belgrade, Great Falls,
Big Sky, and Helena. In anticipation of this
workload and other projects throughout
our service areas, we’ve increased our
team’s capacity by 25% over the past year.
This proactive approach ensures we remain
well-positioned to meet the needs of all our
clients, including Kalispell.
The bottom line is we are here to serve you. AE2S and the City have worked collaboratively during the last few years to deliver successful infrastructure improvement projects. Our comprehensive understanding gained from this work allows us to efficiently continue moving forward with the next step of facility planning.
We will continue to prioritize the City and dedicate the same AE2S team you have come to rely on and trust, ensuring continuity and a deep understanding of your needs. This continuity ensures a seamless transition, efficient execution, and builds upon the work already completed, reinforcing the strong foundation of our collaboration.
Appendix A - Resumes
Zach Magdol, PE............................................................................................................A.1
Nate Weisenburger, PE, ENV-SP.................................................................................A.2
Trevor Datwyler, PE......................................................................................................A.3
Scott Buecker, PE..........................................................................................................A.4
Miranda Kleven, PE......................................................................................................A.5
Scott Schaefer, PE........................................................................................................A.6
James Sletten...............................................................................................................A.7
Adam Wahler, PE..........................................................................................................A.8
Kirk Ehlke, PE................................................................................................................A.9
Donovan Voeller, PE....................................................................................................A.10
Travis McStraw EIT......................................................................................................A.11
Jason Benson, PE.........................................................................................................A.12
Zach Frieling, EIT..........................................................................................................A.13
Alan Wendt, PE.............................................................................................................A.14
Aidan Scheffel, EIT.......................................................................................................A.15
Jacob Calhoon, EIT.......................................................................................................A.16
Clay Martins, EIT..........................................................................................................A.17
ARESUMES
WHY ZACH?
As you have
experienced with his
management of your
regional stormwater
management and
treatment projects,
he maintains an open
dialogue with Public
Works staff which will
ensure you won’t be
caught off guard by
potential roadblocks
during the project and
will be kept abreast
of progress. He has
worked on several
water, wastewater, and
stormwater facility
plans for Montana
cities and has a knack
for keeping an even
keel through what can
often be a complex and
unclear process.
EDUCATION
Master of Science, Civil/
Environmental Engineering Water
Resources Engineering, University
of Utah; Bachelor of Science,
Environmental Engineering,
University of New Hampshire
REGISTRATIONS
Professional Engineer: Montana,
Utah, Oregon, Minnesota
CONTACT
Zach.Magdol@ae2s.com
T: 406-219-2633
C: 406-595-1979
Zach’s background in water resources and utility planning and his dedication to acting
as an extension of City staff will allow him to effectively manage the consulting team
and maintain an open channel of communication. Zach’s recent work on water and
wastewater planning projects for the City of Bozeman and the Big Sky County Water
and Sewer District has provided valuable lessons learned that will be implemented
on this project - for example, the power of simple and consensus-based planning
assumptions.
SPECIFIC RELEVANT EXPERIENCE
• Wastewater Collection and Distribution System On-Call Hydraulic Modeling
Maintenance, Kalispell, MT - Project Manager. Following completion of facility
plan updates, we have continued to assist the City in assessing water and wastewater
system needs by providing on-call modeling services. Tasks include review of
subdivision impacts to distribution and collection system networks and providing
recommendations.
• Wastewater Collection System Model Update, Bozeman, MT - Project Manager.
Updating the City’s wastewater collection system model. The model will be used
to help evaluate existing infrastructure capacity, identify system deficiencies,
determine future infrastructure needs, and ultimately aide in the development
of a comprehensive facilities plan that addresses both present and future system
requirements. Specific tasks include completing a sanitary sewer manhole vertical
survey and condition assessment, assessing land use planning maps for model
scenario development, calculating and allocating wastewater generation, calculating
and allocating inflow and infiltration, developing wet weather and dry weather flow
scenarios for existing and future system model analyses, and updating and calibrating
the hydraulic model.
• Water Supply Optimization and Management Tool, Bozeman, MT -
Project Manager. AE2S (prime) and Jacobs (subconsultant) teamed to
help the City of Bozeman evaluate its reliable water supply and projected
demand to help the utility plan for improvements. The City’s three sources
of raw water each have unique hydrologic, legal, and infrastructure
constraints. We have condensed these complex systems into easy-to-
use supply and demand analysis tools so the City can compare various
growth scenarios and improvement approaches.
• Regional Stormwater Management, Kalispell, MT - Project
Manager. Stormwater facility planning and design for over 2,000 acres
of rapidly developing area within the City of Kalispell. Project included
the development of InfoSWMM models for two large watersheds covering
undeveloped foothills as well as urban areas. AE2S worked with the City to
develop updated stormwater criteria specific to the Master Planned area as well
as designed multi-purpose regional detention facilities and storm trunk lines to
serve new development.
Zach Magdol, PE
Project Manager and Primary Contact
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.1
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.2
ARESUMES
Nate Weisenburger, PE, ENV-SP
Principal-in-Charge and Secondary Contact
EDUCATION
Master of Engineering, Civil
Engineering with Environmental
Emphasis, University of North
Dakota; Bachelor of Science, Civil
Engineering, University of North
Dakota
REGISTRATIONS
Professional Engineer: Montana,
North Dakota, Colorado, Idaho,
Alberta, Saskatchewan
CONTACT
Nate.Weisenburger@ae2s.com
T: 406-268-0626
C: 406-217-3711
Nate is the Drinking Water Practice Leader at AE2S and provides valuable insight
to projects in the roles of QA/QC, Technical Resource, and Project Director. He
has led comprehensive master planning and asset management projects that set
the stage for the future success for multiple utilities, as well as the development
of large, complex projects requiring phased implementation. His 28 plus years of
experience include preliminary engineering reports, feasibility studies, and facility plan
documents primarily geared toward developing grant and loan funding to address
regulatory compliance issues, community growth, process improvements, and system
optimization.
SPECIFIC RELEVANT EXPERIENCE
• Water Facility Plan Update, Kalispell, MT - Technical Resource. Developed
a long-term planning tool consisting of a water distribution system model update,
fire flow analysis, storage evaluation, risk assessment (horizontal assets), and CIP
development and prioritization.
• Water System Planning and Optimization, Bozeman, MT - Technical Resource/
Management. Directed teams to complete: an Integrated Water Resources Plan to
address climate and growth impacts on available water sources and identify strategies
to secure additional water supply capacity; a risk-based condition assessment and
related facility planning effort to prioritize capital improvements to address growth
and maintain best-in-class service objectives; optimization of the Lyman Creek
spring system to increase yield; and a Drought Management Plan and Water
Supply Optimization and Management Tool to monitor and maximize the use of
existing water rights.
• Water System Master Plan, Helena, MT - Project Manager. Managed
the creation of a risk-based Master Plan to identify solutions to existing
and future water system deficiencies and constraints and to guide the
implementation of capital water system improvements for a 20-year
planning period.
• Water Treatment Facility Planning, Great Falls, MT - Project
Manager. Conducted a series of planning projects to evaluate the
clarification and filtration processes, high service pumps, and residuals
management system and recommend optimization strategies and
establish implementation plans for the recommended improvements.
• Water Model Update and Asset Management Program
Development, Great Falls, MT - Technical Resource. Development
and calibration of a hydraulic model of the water distribution system.
Developed a risk assessment of the water distribution system to help the
City prioritize budgets on their highest risk assets.
• Sewer Model Update, Great Falls MT - Technical Resource. Complete
overhaul of the sewer model for the City of Great Falls including flow
monitoring at 15 locations, calibration, deficiency identification, and future
growth scenarios.
WHY NATE?
Nate specializes in
developing strategic
roadmaps to guide
municipalities in the
short-, near-, and long-
term management of
capital improvements
for water systems. He
played a similar role in
your 2018 Water Facility
Plan Update, equipping
him with firsthand
knowledge of the
City’s key challenges
and priorities. This
experience ensures a
deep understanding
of your system’s
unique needs and
a tailored approach
to addressing them
effectively.
ARESUMES
WHY TREVOR?
Trevor will lead the
horizontal asset team.
With over 18 years of
experience, he helps
utilities optimize
capital spending using
maintenance data and
failure probability
models. As the QA/QC
engineer for your 2018
Water Facility Plan,
Trevor’s familiarity with
the City’s infrastructure
ensures a targeted and
effective approach.
EDUCATION
Master of Science, Civil &
Environmental Engineering, Utah
State University; Bachelor of
Science, Civil Engineering, Utah State
University
REGISTRATIONS
Professional Engineer: Utah, Idaho,
North Dakota, Colorado, Michigan,
Illinois
CONTACT
Trevor.Datwyler@ae2s.com
T: 801-331-8489
C: 435-760-6306
Trevor Datwyler, PE
Collection and Distribution Facility Planning Lead
Trevor leads our Utility Planning Practice and has a passion for optimizing utilities.
His ability to see the big picture helps lead successful project teams and ensure that
complex models and analyses stay on track and answer the right questions. He has
served many communities across the State of Montana and understands both the
challenges and opportunities.
SPECIFIC RELEVANT EXPERIENCE
• Water Facility Plan Update, Kalispell, MT - QA/QC Engineer. Developed a
long-term planning tool consisting of a water distribution system model update,
fire flow analysis, storage evaluation, risk assessment (horizontal assets), and CIP
development and prioritization.
• Water System Evaluation, Whitefish, MT - Project Manager. Performed a detailed
water usage and water distribution system analysis to determine the optimum size,
location, and timing of future storage within the distribution network. Detailed
coordination with the State Department of Environmental Quality was essential to
help ensure the City’s needs were addressed while complying with the governing
agency requirements.
• Sanitary Sewer Collection System Master Plan, Bozeman, MT - Project
Engineer. Developed a calibrated hydraulic model and condition-based risk
assessment of the sewer collection system and prioritized capital improvement needs
for the City of Bozeman. This project included analyzing densification impacts
created by Senate Bill 382. With capital needs identified, detailed cost estimates
were provided for both the near- and long-term priorities.
• Water System Master Plan Update, Bozeman, MT - Project Engineer.
Developed a Facility Plan Update which included a water distribution system
model update, fire flow analysis, pressure zone and pressure reduction study,
existing/future storage facility assessment, water audit, CIP development,
and a non-potable irrigation system study.
• Water Model Update and Asset Management Program Development,
Great Falls, MT - Project Manager. Development and calibration of
a hydraulic model of the water distribution system. Developed a risk
assessment of the water distribution system to help the City prioritize
budgets on their highest risk assets.
• Water System Storage and Distribution System CIP, Helena, MT
- Project Manager. Led the development of the Water Distribution
System Master Plan and CIP. The hydraulic analysis included the update
and calibration of the water distribution system model, development of
pressure zone modifications, recommendations for future storage sites, and
other transmission main improvements. A system-wide risk assessment of the
horizontal assets was completed to help drive the improvements included in the
Capital Improvements Plan, and promote data-driven decision making.
• Water System Master Planning and Hydraulic Modeling, Eagle River Water and
Sanitation District, Vail, CO - Project Manager. Developed a hydraulic model and
10-year Master Plan, including risk assessment, GIS updates, land planning, facility
needs, and capital improvements with cost estimates to forecast rate impacts.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.3
ARESUMES
WHY SCOTT?
Scott has made a
career of completing
wastewater projects
having a high degree
of difficulty, requiring a
broad spectrum of skill
sets including funding
procurement, permit
acquisition, advanced
treatment design,
and complex and
difficult construction
administration.
His experience and
guidance will be an
invaluable asset to
the City of Kalispell
throughout delivery of
this critical project.
EDUCATION
Master of Science, Civil and
Environmental Engineering,
University of Wisconsin
REGISTRATIONS
Professional Engineer: Montana,
California
CONTACT
Scott.Buecker@ae2s.com
T: 406-219-2633
C: 406-570-5184
Scott is a wastewater and water process design and consulting engineer with 23
years of experience in the wastewater treatment sector. He has progressively worked
as a project engineer, design team manager, project manager, and senior process
engineer, and currently leads AE2S’ Wastewater Practice. His work experience
includes permitting, funding procurement, treatability and treatment capacity analyses,
treatment process optimization evaluations, energy efficiency studies, NPDES
permit consultations, facility and master planning, effluent disposal and/or reuse
studies, WRRF operations guides and final WRRF plans and specs, and construction
documents for a broad range of wastewater treatment projects.
SPECIFIC RELEVANT EXPERIENCE
• AWWTP Biosolids Treatment and Disposal, Kalispell, MT - Project
Manager. The Kalispell Biosolids Treatment and Disposal project aims to add
resiliency to the AWWTP in Kalispell to reliably treat and dispose of biosolids
in the face of changing regulations and risks about the current disposal options.
Innovative and novel solutions such as pyrolysis and gasification and super
critical water oxidation as well as biosolids drying and onsite composting are
being investigated to determine the best solution for Kalispell.
• Wastewater Treatment Facility Expansion and Upgrade, Evans, CO - Senior
QA/QC Engineer. Guiding design of expansion and upgrades to the City’s 5
MGD A2O treatment facility, including modifications to existing headworks,
BNR basins and clarifiers; process intensification process selection; and a
new AutoThermal Aerobic Digestion facility to replace a portion of the City’s
facultative biosolids storage lagoons.
• Water Reclamation Facility Upgrade, Livingston, MT - Project Manager.
Led the design and construction administration of the upgrade and
expansion of the City’s 1.8 MGD WRF. Upgrade and expansion
included second mechanical screen, conversion of primary clarifiers
to WAS holding basins, demo of rotating biological contactors and
secondary clarifiers with continuous sequencing batch reactors,
conversion and rehab of anaerobic digesters to thickened WAS
aerobic digesters, replacement of UV disinfection system, and
upgrades to the compost system controls. His work included
funding procurement from four agencies and extensive permitting
for RCRA Superfund Site.
• Big Sky Water Resource Recovery Facility, Big Sky Water and
Sewer District, Big Sky, MT - Senior Project Manager. Led
the design and construction administration for replacement of the
District’s sequencing batch reactors and granular media filtration
with membrane bioreactor technology, including a new dual
screen (6 mm and 2 mm) and grit removal Headworks Building,
new 5-stage biological nutrient removal basins with an inline/offline
fermenter, MBR Building and expanded aerobic digestion. Project also
includes reconfiguration of reuse storage reservoir piping.
Scott Buecker, PE
Advanced Wastewater Treatment Plant (AWWTP) Lead
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.4
ARESUMES
WHY MIRANDA?
Miranda is a Financial
Analyst with over 30
years of experience
working with public
utilities, will provide
critical financial
insights to ensure a
comprehensive and
practical plan.
Miranda has extensive experience working with utilities on financial management
issues, such as cost of service, revenue adequacy, CIP planning, funding development
and administration, and rate design. She helps clients develop fair and equitable utility
rates using cost of service and revenue adequacy methodologies that are reflective
of industry standards. Depending on the sophistication of rate structures in place for
each client and the desired outcome of the financial analysis, she has experience
using both complicated spreadsheets as well as simplified spreadsheets to meet each
utility’s specific needs.
SPECIFIC RELEVANT EXPERIENCE
• Water and Wastewater Financial Plan and Rate Structure Study, Whitefish, MT -
Financial Analyst. Study involved completion of cost of service rate analyses for the
Water and Wastewater Utilities, review and development of potential modifications
to the existing rate structures, and forecasted revenue adequacy for both utilities.
Specifically, the study evaluated the financial impacts to the City’s user base coinciding
with the study of multiple wastewater treatment facility alternatives that were under
consideration to address new numeric criteria for nitrogen and phosphorus removal.
• Service Line and Meter Sizing, Whitefish, MT - Project Engineer.
Design of a user-friendly calculator to determine the minimum water
service line and meter sizes based on available pressure, fixture count, and
service line length.
• Utility Financial Planning, Big Sky County Water and Sewer District,
Big Sky, MT - Financial Analyst. Constructed a long-term rate model
that incorporated ongoing capital and operational needs. Developed a rate
strategy designed to both generate adequate revenue and equitably charge
utility users and new growth for appropriate revenue requirements.
• Water and Wastewater Rate Analyses, Bozeman, MT - Lead Analyst.
Comprehensive cost of service-based water rate design and revenue
adequacy project. Evaluated water use patterns for the basis of establishing
a conservation-oriented rate structure, including implementation of
a drought surcharge component to address critical anticipated water
shortages. In addition to developing rate projections for both water and
wastewater, AE2S prepared policy papers to assist the City’s leaders in
adopting policy changes supportive of the short- and long-term objectives
of the utilities.
• Water and Wastewater Rate Study Update, Billings, MT - Financial
Analyst. Comprehensive updates to the water and wastewater rate models,
including verification of all previous assumptions, and developing rate
recommendations. This work has been completed repeatedly for two-year
intervals – for FY16 and FY17, FY18/FY19, FY20/21, FY22/23 and most
recently for FY24/25. The project also included updating both the water
and wastewater SDF models.
Miranda Kleven, PE
Utility Rate/Financial Lead
EDUCATION
Bachelor of Science, Chemical
Engineering, University of North
Dakota
REGISTRATIONS
Professional Engineer: North Dakota
MSRB Series 50 Qualified Municipal
Advisor Representative
CONTACT
Miranda.Kleven@ae2s.com
T: 701-746-8087
C: 701-740-3388
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.5
ARESUMES
WHY SCOTT?
As AE2S’ Practices
Director, Scott stands
at the forefront of
industry advancements,
actively engaging
with the Water
Environment Federation
to shape cutting-edge
PFAS management
strategies. Through his
extensive experience,
he is adept at
taking the lead in
tackling emerging
environmental
challenges with
innovative and
effective solutions.
EDUCATION
Master of Science, Civil Engineering,
Iowa State University; Bachelor of
Science, Civil Engineering, Iowa State
University
REGISTRATIONS
Professional Engineer: Montana,
North Dakota, South Dakota,
Minnesota, Iowa, Wisconsin, Arizona
CONTACT
Scott.Schaefer@ae2s.com
T: 763-463-5036
C: 763-248-2929
Scott specializes in wastewater planning, alternatives development, design, and regulatory permitting. He has managed collection and treatment planning efforts for many municipalities as both a project manager and a technical expert. He will bring a comprehensive knowledge of wastewater issues and opportunities from his experience assisting communities throughout the region as well as coast-to-coast.
SPECIFIC RELEVANT EXPERIENCE
• PFAS Strategy and Organization, Water Environment Federation – Multiple Roles.
Involvement and leadership for the Water Environment Federation (WEF) PFAS strategy since
2020. Through his role as the chair of the Disinfection and Public Health Committee, Scott
was a reviewer for WEF’s PFAS position statement that was released in 2020. He was then part
of the technical committee team that formed the WEF PFAS Task Force and initially served as
the vice chair (2021) prior to becoming chair (2022). Scott remains involved as a member of
the PFAS Task Force after serving as the chair. He now oversees the PFAS Task Force as the
“Initiatives” director for WEF’’s Community Leadership Council. Scott has also participated in
water sector education by leading an annual PFAS education seminar through Minnesota Rural
Water the past three years in addition to providing conference presentations.
• Wastewater Treatment Facility Improvements Design, Havre, MT - Lead Process
Engineer. Design of biological nutrient removal (BNR) upgrades for nitrogen and
phosphorus removal, as well as new RAS/WAS pumping, new diffused aeration, new
blowers, digester supernatant management upgrades, clarifier rehabilitation, retrofit
of gas chlorination/dechlorination to UV disinfection, and other miscellaneous
facility improvements/upgrades. Included preliminary UVT monitoring to assess
the impact of intermittent industrial discharges on future ultraviolet disinfection
equipment.
• East WWTF Biosolids Building, Otsego, MN - Project Manager. Design
and construction administration for a new Biosolids Building at Otsego’s East
wastewater treatment facility, including new building sized for buildout,
phase 1 equipment for dewatering and lime stabilization, pumping
systems, chemical systems, thickened WAS receiving, aerated thickened
WAS storage, solids conveyance, solids loadout, odor control, related
electrical/mechanical systems, related site improvements, locker
rooms, breakroom and meeting/training space.
• Wastewater Treatment Plant Upgrade, Livingston, MT - QA/
QC Engineer. Preliminary and final design, funding procurement
assistance, and bid services for upgrades to the City of Livingston’s
1.8 MGD WWTP. Upgrades included a second mechanical screen,
replacement of the existing primary clarifiers, replacement of rotating
biological contactors and secondary clarifiers with sequencing batch
reactor technology, improvements to the existing UV disinfection system,
and replacement of the existing anaerobic digester system with aerobic
digestion.
• Renewable Natural Gas Facility, Heyburn, ID - Process Engineer and
Technical Advisor. A waste-to-energy renewable natural gas facility is
being proposed, and the fast-track preliminary engineering design was
undertaken to determine project costs for a project viability assessment prior
to the expiration of tax credits at the end of 2024. The project includes a
very aggressive schedule to begin construction prior to the expiration of tax
credits, which are important to the financial viability of the project.
Scott Schaefer, PE
Wastewater Treatment Systems
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.6
ARESUMES
WHY JAMES?
James has the wide
variety of experience
with SCADA and
telemetry systems
that it takes to
support your needs.
He is well experienced
with configuring
and troubleshooting
industrial control
system networks and
his aptitude for setup
and maintenance
provides excellent
perspective for this
project.
EDUCATION
Bachelor of Science, Industrial
Technologies, University of North
Dakota
CONTACT
James.Sletten@ae2s.com
T: 406-219-2633
C: 218-230-5723
James’ experience includes water/wastewater instrumentation and controls services,
serving clients throughout Montana, Idaho, North Dakota, and South Dakota in a
variety of civil and environmental engineering projects. He is heavily involved in the
development, testing, and integration of distributed control systems, as well as their
maintenance.
SPECIFIC RELEVANT EXPERIENCE
• Water Distribution SCADA, Kalispell, MT - I&C Technician. Project consists of
upgrading 11 distribution sites and bringing then into a central Wonderware SCADA
system. Antiquated Siemens LC3000 PLCs, OITs, and CalAmp radios were replaced
with new Allen Bradley PLCs, OITs, and GE MDS Orbits radios. All automation
software was redone to match the City’s vision and provide a scalable solution
allowing the City to easily add new systems to its infrastructure.
• Buffalo Hills and Section 36 Well Instrumentation and Controls Services,
Kalispell, MT - I&C Technician. Provided I&C system services to integrate a new
well with existing infrastructure. Two new Allen-Bradley Micro1400 PLCs were
added to Buffalo Hills and Section 36 to aggregate data from Section 36. After that
was accomplished, and through the use of Modbus TCP/IP, the existing control
system was able to read and write data to Section 36 for control and allowed the
InTouch SCADA system to display information to the staff.
• Upper Zone Well and Storage Tank, Kalispell, MT - I&C Technician. AE2S
partnered with RPA to program the PLCs, OITs, radios, and SCADA systems
needed to integrate these new wells with existing water system assets. Phase 2 of the
project will add a new 1 MG water tower, well, and valve control building to the
system, allowing staff to efficiently fill the existing Sheepherder Reservoir
and 1 MG tower.
• Instrumentation and Controls Upgrade, Flathead County
Water and Sewer District No. 1 - Evergreen, Kalispell, MT
- Instrumentation & Controls Project Manager. Replaced
30 antiquated PLCs, radios, and Operator Interface Terminals
(OITs) with a modern Allen-Bradley PLCs, GE MDS Radios,
and Automation Direct OITs. Information from each site is now
aggregated at a central communication hub. From there Inductive
Automations Ignition SCADA platform provides centralized
control, data acquisition, and alarming functions allowing
operations staff to control all 30 sites quickly and efficiently.
• WRRF Expansion and Upgrade, Big Sky Water and Sewer
District, Big Sky, MT - I&C Technician. Managed, programed,
and integrated several processes into a new state-of-the-art control
system comprised of hundreds of sensors, motor controllers, Allen-
Bradley PLCs, and a new SCADA platform. Programming included the
configuration and validation of each control system asset ensuring accurate
control of each process. The new control system utilizes a site-wide fiber-optic
network allowing for fast reliable communication between each sensor, building,
PLC, and other networked assets.
James Sletten
I&C Systems and Integration
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.7
ARESUMES
WHY ADAM?
Adam has extensive
knowledge working
with water and
wastewater electrical
systems. He
approaches each facility
with a big picture
approach and tackles
challenges with creative
and cost-saving
solutions. His extensive
experience in delivering
electrical designs
for facility projects
showcases a wealth
of expertise, ensuring
a comprehensive
and adept approach
to handling diverse
electrical engineering
challenges.
EDUCATION
Bachelor of Science, Electrical
Engineering, North Dakota State
University; Associates of Science,
Electrical Technology, North Dakota
State College of Science
REGISTRATIONS
Professional Engineer: Montana,
Idaho, North Dakota, South Dakota,
Minnesota, Utah, Arizona, New
Mexico, Texas, Oklahoma
CONTACT
Adam.Wahler@ae2s.com
T: 701-364-9111
C: 701-640-3282
Adam’s experience includes the electrical design in support of water treatment plants
including filtration, lime softening, and membrane technologies, raw water pumping
stations, high service pumping stations, ground storage reservoirs, elevated water storage,
medium voltage distribution systems through 25kV, stormwater pumping stations, sanitary
sewer pumping stations, wastewater treatment plants, and aircraft hangers. Mr. Wahler is
an expert in construction cost estimating, project management, computer aided drafting
and design, construction observation and administration, and electrical system modeling.
SPECIFIC RELEVANT EXPERIENCE
• Livingston Water Reclamation Facility Upgrades, Livingston, MT - Lead Electrical
Engineer. Plant expansion with numerous electrical upgrades, including installation of
a new 1600A electrical service with a closed transition automatic transfer switch and a
1000KW emergency stand-by generator. Other key electrical improvements included
fiber optic communications enhancements, instrumentation and control system
upgrades, site hazardous area determinations and safety improvements, networking
additions/improvements, and provisions to integrate a future solar array.
• Wastewater Treatment Facility Improvements, Havre, MT - Electrical Engineer.
Designed electrical and controls systems for BNR upgrades, new RAS/WAS pumping,
new diffused aeration, new turbo blowers, digester supernatant management upgrades,
clarifier rehabilitation, new UV disinfection, and many miscellaneous facility
improvements/upgrades. Detailed design, equipment selection, specifications,
and construction administration. The design included in-depth hazardous area
review and safety improvements (NFPA 820).
• Water Resource Recovery Facility Improvements, Big Sky, MT - Electrical
Engineer. New centralized 3000A 277/480V electrical service with a 2000
kW diesel generator and associated automatic transfer switch. The
centralized electrical service provided both normal and emergency
backup power to various facilities throughout the campus. The
system also included multiple motor control centers, enclosed
variable frequency drives, plant uninterruptable power supplies
and equipment control panels. Improvements incorporated safety
upgrades necessary to achieve compliance with NFPA 820 in both
existing and new facilities, LED lighting upgrades to site lighting
and existing buildings, as well as the installation of a robust fiber
optic communication network for the plant SCADA system.
• West Wastewater Treatment Facility Phase 1 MBR, Otsego, MN
- Electrical Engineer. New centralized 3000A 277/480V electrical
service with a 1000kW Diesel Generator and associated automatic
transfer switch. The centralized electrical service provided both normal
and emergency backup power to various facilities throughout the campus.
The system also included multiple motor control centers, enclosed variable
frequency drives, plant uninterruptable power supplies and equipment
control panels. Improvements incorporated safety upgrades necessary to
achieve compliance with NFPA 820 in both existing and new facilities,
LED lighting upgrades to site lighting and existing buildings, as well as the
installation of a robust fiber optic communication network for both the plant
SCADA and fire alarm systems.
Adam Wahler, PE
Facility Electrical Systems
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.8
ARESUMES
Kirk Ehlke, PE
Facility Structural Design
EDUCATION
Master of Science, Civil and
Environmental Engineering, South
Dakota School of Mines and
Technology; Bachelor of Science,
Civil and Environmental Engineering,
South Dakota School of Mines and
Technology
REGISTRATIONS
Professional Engineer: Montana,
Utah, North Dakota, Idaho,
Minnesota, Colorado, Kentucky
CONTACT
Kirk.Ehlke@ae2s.com
T: 801-331-8489
C: 605-421-8489
Kirk is a Structural Project Engineer responsible for the preparation and coordination
of various structural projects, which include calculations, design, detailing, drafting, and
specifications. His design experience includes water bearing structures and related
facilities, industrial structures, and commercial buildings with structural systems of
steel, cast-in-place concrete, precast/prestressed concrete, wood, cold formed steel,
and reinforced concrete masonry units.
SPECIFIC RELEVANT EXPERIENCE
• Lift Station 9 Replacement, Kalispell, MT - Structural Engineer. Wet well and
lift station replacement project. A new 25 foot deep by 10 foot wide cast-in-place wet
well was located adjacent to a new above grade pump house building. Additionally, a
excavation shoring system was required for wet well construction.
• Lyman and Sourdough Reservoir Condition Assessment, Bozeman, MT -
Structural Engineer. As part of the City of Bozeman’s water storage assets, the
Sourdough Reservoir is approximately 70 years old, while the Lyman Reservoir’s
more than 110 years old. Due to age, both receive condition assessments performed
by divers on a regular basis. For the most recent condition assessment performed,
AE2S elaborated on the report provided by divers, and provided a multi-discipline
evaluation of the reservoirs to recommend rehabilitation work (in the case of
Sourdough Reservoir) and replacement (in the case of Lyman Reservoir). The
recommendations considered a full life-cycle cost analysis since the alternatives
considered (rehabilitation vs. replacement) had such drastically different usable
lifespans. The recommended improvements also considered funding strategies to
minimize the City’s debt obligations over the payback period.
• Water Reclamation Facility Improvements, Rapid City, SD - Structural
Engineer. Reviewed existing tank structural integrity and condition of an existing
post tensioned tank. Modifications were needed to improve the process of flow.
Structural design was provided for additional cast-in-place concrete baffle
walls in the existing tank.
• Wastewater Treatment Facility Phase 2, Grand Forks, ND - Structural
Engineer. Provided structural design for upgrades to the Grand Fork
Wastewater Treatment Facility. The project upgrade to the system includes
a new membrane bioreactor (MBR) parallel treatment train, with fine
screening building, secondary biological treatment (SBT) trains, and MBR
building. The structures utilize a deep foundation system of helical piles
to support concrete basins, concrete foundation walls, precast walls, and
precast roof members.
• Water Resource Recovery Facility Expansion and Upgrade, Big
Sky Water and Sewer District, Big Sky, MT - Structural Engineer.
Provided structural design for upgrades to the Big Sky County Water and
Sewer District’s Water Resource Recovery Facility (WRRF). Work included
design of modifications the District’s Sequencing Batch Reactor (SBR) based
treatment plant to membrane bioreactor (MBR) technology. Structural Design
also included design of new WRRF process with alternatives consideration.
Design included below grade cast-in-place basins, precast walls and roofing,
and a steel joist roof in some locations.
WHY KIRK?
Kirk has extensive
experience in the Rocky
Mountain region and
throughout the Upper
Midwest. He brings
knowledge, experience,
and practical solutions
to structural design,
and has a proven track
record of making
certain his designs
meet all codes, safety,
and owner needs.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.9
ARESUMES
WHY
DONOVAN?
Donovan has already
been in the planning
trenches with you for
years on your water
distribution and sewer
collection systems
and brings a wealth
of experience with
master planning
efforts across
Montana. This
relevant local
experience will
ensure your planning
efforts are not
only efficient, but
effective tools to
guide your utilities
into the future.
EDUCATION
Bachelor of Science, Civil Engineering,
University of North Dakota
REGISTRATIONS
Professional Engineer: Montana, North
Dakota, Minnesota, Wisconsin,
Colorado
CONTACT
Donovan.Voeller@ae2s.com
T: 701-746-8087
C: 701-741-4321
Donovan’s experience includes hydraulic modeling of water distribution systems,
stormwater collection systems, and wastewater collection system for numerous
communities. His modeling experience includes hydraulic model development, field
testing, model calibration, existing and future system analysis, master planning, and
capital improvements planning. Project experience has also included water supply
planning, water treatment plant design, wastewater treatment facility design, water
tower design, preliminary engineering, design, and construction administration services.
SPECIFIC RELEVANT EXPERIENCE
• On-Call Model Maintenance, Kalispell, MT - Hydraulic Modeling Engineer.
Following completion of facility plan updates, Donovan has continued to assist the City
in assessing water and wastewater system needs by providing on-call modeling services.
Tasks include review of subdivision impacts to distribution and collection system
networks and making recommendations regarding sizing, layout, and connection to the
system.
• Water Facility Plan Update, Kalispell, MT - Project Engineer. Developed a long-
term planning tool consisting of a water distribution system model update, fire flow
analysis, storage evaluation, risk assessment (horizontal assets), and CIP development
and prioritization.
• Wastewater Facility Plan Update, Kalispell, MT - Hydraulic Modeling
Engineer. Developed a long-term planning tool consisting of a wastewater
collection system model update, risk assessment (horizontal assets), and CIP
development and prioritization. An InfoSWMM model was developed and
calibrated. Various storm events were analyzed to assess existing system
capacity and develop recommended improvements. Since the initial
update, the model has been used to assess new development and the
model was updated with new GIS information as requested by the City.
• Wastewater Collection System Facility Plan Update, Bozeman,
MT - Hydraulic Modeling Engineer. Work included surveying
inverts, updating the wastewater collection system model, calibrating
the dynamic model to storm events, and analyzing the existing system
conditions for system capacity. Work also included refining a workflow
process for periodically updating the wastewater collection system
model. Future growth has been incorporated into the model and
recommended improvements have been compiled. Additional project
work includes developing a risk assessment and CIP for infrastructure
improvements.
• Water System Master Plan Update and Training, Bozeman, MT -
Hydraulic Modeling Engineer. Developed a facility plan, which included
a water distribution system model update, fire flow analysis, pressure
zone and pressure reduction study, water audit, CIP development, and a
non-potable irrigation system study. Work has since included refining a
workflow process for periodically updating the water distribution system
model. A training session was held with the City to review the model update
documentation and update workflow process.
Donovan Voeller, PE
Hydraulic Modeling Lead
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.10
ARESUMES
WHY TRAVIS?
Travis specializes in
developing risk and
lifecycle models,
financial forecasting,
and condition
assessments for
utility assets, helping
clients make data-
driven decisions
for infrastructure
investments and
operational planning.
EDUCATION
Master of Science, Civil Engineering,
Brigham Young University; Bachelor
of Science, Civil and Environmental
Engineering, Brigham Young
University
REGISTRATIONS
Engineer-in-Training: Utah
Certified Floodplain Manager
MODELING SOFTWARE
SMS, HEC-RAS 1D, SRH-2D, TUFLOW-2D
CONTACT
Travis.McStraw@ae2s.com
T: 303-503-8307
Travis has six years of civil and environmental engineering experience in both private
consulting and municipal engineering arenas. He is knowledgeable in various
types of hydraulic and hydrologic modeling software and has worked as a modeling
software trainer for various government and private organizations across the country.
With experience in private and municipal work, he understands the client and service
provider perspectives. He also has experience in on-site materials testing and project
management allowing him to offer a much-needed practical perspective to design and
modeling of water systems/environments.
SPECIFIC RELEVANT EXPERIENCE
• Long-Term System Renewal Planning, Eagan, MN - Project Engineer. Project
focused on developing a comprehensive Rehabilitation and Renewal (R&R) plan
for infrastructure associated with the City’s five utilities (water, sanitary sewer, storm
sewer, water quality, and streetlights). The R&R Plan included the development of
multiple risk models and lifecycle models for all the utility assets. This information
fed into an adaptable financial model for each utility that included cost forecasting
for infrastructure, operations, maintenance, equipment, and future staffing needs.
The study recommended a doubling of R&R investments in the next five-years and
programmed future R&R projects and activities for the utilities.
• Infrastructure Rehabilitation and Replacement Planning, Minnetonka,
MN - Project Engineer. Development of a comprehensive (R&R) plan for City
infrastructure (water, sanitary sewer, storm sewer, water quality, streetlights, trails,
bridges, irrigation systems). Risk models were developed to prioritize capital needs
for the 15-year capital improvement plan.
• Asset Management, Herriman, UT - Project Engineer. Developed a complete
asset management plan according to the State of Utah’s 2023 standards for the City’s
Culinary Water, Secondary Water (pressurized irrigation), stormwater, and
Parks Department assets. Developed remaining useful life analysis, life
cycle costs, and rehab and replacement plans for all the City’s vertical and
horizontal assets. Developed a risk model for each utility that included
components of pipe criticality. Developed and delivered a flexible, web-
based, long-term financial model to help inform future rate studies and
planning operations.
• Asset Management Plan, Lehi, UT - Technical Lead. Developed
remaining service life and risk models for water, wastewater, pressurized
irrigation, streets and stormwater utilities which included all vertical and
horizontal assets. Developed corridor replacement plan to foster better
collaboration between City departments and staff.
• Water Supply Optimization and Management Tool, Bozeman, MT - Project
Engineer. Developed a spreadsheet tool to determine future water demand
projections for the City. The tool accounted for existing water rights and supply
limitations and analyzed supply vs projected demand based on both population
growth and future land use planning for the City. Developed tool to be flexible
and accommodate future updates to available water rights and changes in land use
zoning for the City allowing them to compare and contrast various scenarios.
Travis McStraw, EIT
Asset Management and Risk Assessment Lead
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.11
ARESUMES
WHY JASON?
Jason exhibits
incredible technical
skills and straight
forward design
methods to provide
the best insight and
solutions to every
project. He continues
to demonstrate
attention to detail,
thorough design
approach, and an
unwavering emphasis
on quality.
EDUCATION
Bachelor of Science, Civil
Engineering, University of Minnesota
REGISTRATIONS
Professional Engineer: Montana,
North Dakota, Minnesota
CONTACT
Jason.Benson@ae2s.com
T: 763-463-5036
C: 612-280-2273
Jason has been involved in all phases of project development including project
planning, report preparation, preliminary and final design, preparation of plans and
specifications, operations, construction observation, and contract administration.
Design work has been completed for wastewater treatment facilities ranging in size
from 0.15 MGD to 250 MGD.
SPECIFIC RELEVANT EXPERIENCE
• AWWTP Biosolids Treatment and Disposal, Kalispell, MT - QA/QC. The
Kalispell Biosolids Treatment and Disposal project aims to add resiliency to
the AWWTP in Kalispell to reliably treat and dispose of biosolids in the face of
changing regulations and risks about the current disposal options. Innovative
and novel solutions such as pyrolysis and gasification and super critical water
oxidation as well as biosolids drying and onsite composting are being investigated
to determine the best solution for Kalispell.
• Biosolids Building Design, Otsego, MN - Lead Process Engineer. Designed a
new Biosolids Building at Otsego’s East Wastewater Treatment Facility, including new
building sized for future buildout of 60,000 population equivalent, Phase 1 equipment
for dewatering and lime stabilization, pumping systems, chemical systems, thickened
WAS receiving, aerated thickened WAS storage, solids conveyance, solids loadout, and
odor control. Pre-design included piloting of dewatering technologies (centrifuges and
screw presses).
• Wastewater Treatment Facility Expansion, Owatonna, MN - Biosolids Project
Manager. The Owatonna WWTF project, currently in construction, includes a major
expansion and rehabilitation of both the liquids and solids facilities. AE2S served as a
subconsultant on the project with the primary focus on the solids treatment systems.
Jason served as the AE2S project Wastewater Manager including oversight
of the solids design, review of the liquids design, and coordination of the
disciplines to deliver those designs. The Biosolids upgrades will be a major
update to the facilities while also expanding the capacity and bringing the
system up to the current codes. The biogas from the anaerobic digesters
will be processed to produce a renewable natural gas that will be utilized
in the local natural gas grid for Owatonna.
• Wastewater Facility Improvements, Grand Rapids Public Utilities
Commission, Grand Rapids, MN - Project Manager. This $30M
project included a new aerated influent channel, effluent heat recovery
system, two new primary clarifiers, a new primary clarifier sludge
pump station, WAS storage, and a new solids processing building which
included sludge blending, rotary drum thickening, screw press dewatering,
and cake loadout facilities. Prior to design, the screw presses were piloted and
the screw press equipment was pre-procured. The solids processing facility has
the capability to process a peak solids production of 250 dry tons per day and
meet the highly variable conditions of a major industrial user.
• Water Resource Recovery Facility, Williston, ND - Project Manager. Long-
term planning and design for a new mechanical wastewater treatment facility.
Major project components included influent pumping, headworks, oxidation
ditches, clarifiers, RAS/WAS pump station, tertiary filtration, UV disinfection,
effluent pumping, solids thickening, ATAD solids digestion (Class A biosolids
for land application), solids dewatering, and cake solids storage.
Jason Benson, PE
Process Analysis Lead
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.12
ARESUMES
Zach Frieling, EIT
Operations Optimization Lead
EDUCATION
Master of Science, Chemical
Engineering, Montana State
University; Bachelor of Science,
Chemical Engineering, Minor in
Microbiology, Montana State
University
REGISTRATION
Engineer-in-Training: Montana
CERTIFICATION
Class 1C Wastewater Treatment Plant
Operator Certification
CONTACT
Zach.Frieling@ae2s.com
T: 406-219-2633
C: 701-314-9409
Zach has over eight years of experience as a wastewater treatment facility operator.
He has experience in analyzing water samples adhering to MPEDS permitting, process
control strategy, and the ability to manage the operations and maintenance functions
of a large wastewater treatment facility.
SPECIFIC RELEVANT EXPERIENCE
• AWWTP Biosolids Treatment and Disposal, Kalispell, MT - Operations
Services. The Kalispell Biosolids Treatment and Disposal project aims to add
resiliency to the AWWTP in Kalispell to reliably treat and dispose of biosolids
in the face of changing regulations and risks about the current disposal options.
Innovative and novel solutions such as pyrolysis and gasification and super
critical water oxidation as well as biosolids drying and onsite composting are
being investigated to determine the best solution for Kalispell.
• WRF Operator, Bozeman, MT - Zach worked as an operator at the Bozeman WRF
for three years helping the WRF to maintain its long history of excellent effluent
quality. He actively participated in optimization projects around the WRF, and
intimately understands all processes, big and small, at the Bozeman WRF. He cares
deeply about the success and well-being of the WRF and provides our team with a
unique perspective and value critical to the success of the project.
• WRRF Expansion and Upgrade, Big Sky, MT - Operator Services. Preliminary
and final design, bid, and construction administration of biological nutrient removal
(BNR) and membrane bioreactor (MBR) improvements for nitrogen
and phosphorus removal and increased treatment capacity. The project
included new aerobic digesters, new Headworks building, new treatment
process basins, new Membrane Treatment Building, new aerobic
digesters and flow EQ tank, new blowers, effluent reuse water system,
site improvements, process modeling, centrifuge dewatering, controls
improvements and many miscellaneous facility improvements/upgrades.
• Water Resource Recovery Facility Improvements, Manhattan,
MT - Operator Services. This project includes location of screw press
dewatering equipment in the sludge loading bay area, including alarm
system and HVAC upgrades, additional of a second coarse screen to the
headworks area of the existing control building, addition of a second UV
channel and disinfection equipment to the exiting UV building.
• Wastewater Treatment Facility, Upper Thompson Sanitation
District, CO - Operator Services. Design services for new wastewater
treatment facility, lift station, and interceptor improvements.
• Wastewater Resource Reclamation Facility, Belgrade, MT -
Operator Services. Design of a new WRRF facility for the City of
Belgrade. The City is transitioning from lagoons to oxidation ditch
treatment facility and currently have only part-time lagoon operators.
The City has a USDA-RD Grant/Load and in the Letter of Conditions
from USDA, the City has budgeted for $250,000 in “Operator Training.”
WHY ZACH?
Zach has an invaluable
mix of process
engineering expertise
and Bozeman WRF
operation experience,
making him the ideal
candidate to evaluate
and recommend
optimization strategies
at the AWWTP.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.13
ARESUMES
Alan Wendt, PE
Infrastructure Concept and CIP Costing
EDUCATION
Bachelor of Science, Civil
Engineering, University of Nevada
REGISTRATIONS
Professional Engineer: Montana,
Idaho, Colorado, Nevada, Arizona,
North Dakota
CFM: ASFPM and AMFM
CONTACT
Alan.Wendt@ae2s.com
T: 406-257-8990
C: 406-871-1675
Alan has a wide variety of experience, expertise, and local relationships that makes
him an invaluable technical resource through all phases of water and wastewater
master planning. His extensive experience with planning, design, funding and
construction experience provides indispensable understanding of the needs of the
master planning and Capital Improvement Plan (CIP) development process.
SPECIFIC RELEVANT EXPERIENCE
• Section 36 Municipal Well, Kalispell, MT - Project Engineer. Performed
preliminary and final design to construct a 1,050-square foot precast well pumphouse,
200 hp lineshaft turbine pump, chemical and electrical rooms, disinfection system,
site work, and drainage design.
• South Water Evaluation and Water Storage, Whitefish, MT - Project Manager.
Water system modeling, analysis and series of Technical Memorandums presenting
summary of the existing water system and alternatives for improvements. Water
storage type, size and location recommendations provided. Design of 1MG elevated
water storage reservoir, pump station, 1,300 feet of 18-inch watermain and 3,200 feet
of 12-inch water main, three PRV stations to break the main pressure zone, electrical
and SCADA to control tower, pump station and PRVs. As part of this project
worked with City staff to develop a Water Conservation Ordinance to keep the
City in compliance with DEQ Order on Consent.
• Water and Wastewater Systems PER, Libby, MT - Project Manager.
Performed a Preliminary Engineering Report to apply for funding from the State
of Montana (TSEP, RRGL, USDA/RD, etc.). This included addressing and
prioritizing distribution and collection system needs, metering concepts,
and treatment plans.
• Cabinet Heights Transmission Main, Libby, MT - Project Manager.
Design and construction of approximately 2,500 feet of 12-inch C900
PVC water transmission main. The Cabinet Heights area suffered from
inadequate fire flow for years. Modeling and future growth dictated
the abandonment of the existing steel 6-inch line to alleviate fire flow
issues.
• Water Supply Transmission Main, Libby, MT - Consultant Project
Manager. Design and construction of the replacement of 800 feet of 20-
inch above ground steel pipe with a 600-foot 24-inch HDPE directionally-
drilled bore and 20-inch C900 PVC.
• South Water Evaluation, Whitefish, MT - Project Manager. Potable
water storage analysis to determine size, location, and reservoir type.
Included an update of the hydraulic model to represent existing conditions
and to run alternative scenarios for potential reservoir locations and sizes.
Coordinated with City staff to project growth and development to update the
model for reservoir locations, sizes, and types.
• Lakeside Lift Station, Whitefish, MT - Construction Manager. New
sanitary sewer lift station construction for the City of Whitefish, including
construction meetings, material submittal review, construction inspection and
recordation, certified payroll review, ARRA funding reporting, coordination
between client, contractor and funding agencies (MDEQ and TSEP), record
drawings, and project closeout.
WHY ALAN?
Alan brings a well
established network
of construction
and engineering
professionals in
the Flathead Valley,
ensuring realistic
project cost estimates.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.14
ARESUMES
Aidan Scheffel, EIT
Hydraulic Modeling, Risk Assessment Modeling, and Facility Planning
EDUCATION
Master of Science, Environmental
Engineering, Montana State
University; Bachelor of Science,
Chemical Engineering, Montana
State University
REGISTRATIONS
Engineer-in-Training: Montana
CONTACT
Aidan.Scheffel@ae2s.com
T: 801-331-8489
C: 406-679-1926
Aidan provides services primarily in AE2S’ wastewater and utility planning practices.
His work includes technical engineering, modeling services, and long-term planning
exercises. His diverse project experience covers long-range planning efforts for large-
scale infrastructure improvements to short-term improvements for small community
systems.
SPECIFIC RELEVANT EXPERIENCE
• On-Call Model Maintenance, Kalispell, MT - Project Engineer. Following
completion of facility plan updates, Aidan has supported Donovan in assisting the City
in assessing water and wastewater system needs by providing on-call modeling services.
Tasks include review of subdivision impacts to distribution and collection system
networks and making recommendations regarding sizing, layout, and connection to the
system.
• Water, Sanitary Sewer, and Stormwater Master Plan Development, Belgrade, MT -
Project Engineer. Currently developing water, sewer, and stormwater master plans for
the City of Belgrade including comprehensive models.
• Wastewater Model Development, Big Sky Water and Sewer District, Big Sky,
MT - Project Engineer. To date, project work has included development of a static
model of the wastewater collections system. The next phases of the project will include
existing system capacity assessment, applying future growth loading, and determining
recommended system improvements to address existing deficiencies and future
extensions.
• Water Model Update, Big Sky Water and Sewer District, Big Sky, MT - Project
Engineer. Updated the existing hydraulic model to InfoWater and completed a
fire flow analysis for the entire system. Donovan continues to assist the District
by evaluating subdivision impacts to the distribution network and making
recommendations regarding sizing, layout, and connection to the system.
• Asset Management, Herriman, MT - Project Engineer. Development
of an Asset Management Program that will assist the City in budget
planning based on the useful life of critical infrastructure.
• Water and Wastewater Systems PER, Libby, MT - Project
Engineer. Performed a Preliminary Engineering Report to apply
for funding from the State of Montana (TSEP, RRGL, USDA/RD,
etc.). This included addressing and prioritizing distribution and
collection system needs, metering concepts, and treatment plans.
• Water System Evaluation, Whitefish, MT - Project Engineer.
Performed a detailed water usage and water distribution system
analysis to determine the optimum size, location, and timing
of future storage within the distribution network. Detailed
coordination with the State Department of Environmental Quality was
essential to help ensure the City’s needs were addressed while complying
with the governing agency requirements.
WHY AIDAN?
Aidan serves as Trevor
and Donovan’s right-
hand man, leveraging
his background in
research and academia
to excel behind the
scenes on hydraulic
modeling and facility
planning projects
across Montana.
His ability to tackle
complex problems in
manageable chunks and
distill intricate analyses
into concise, articulate
insights makes him an
invaluable asset to the
team.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.15
ARESUMES
EDUCATION
Bachelor of Science, Civil and
Environmental Engineering, Brigham
Young
REGISTRATIONS
Engineer in Training: Utah
CONTACT
Jacob.Calhoon@ae2s.com
T: 801-331-8489
C: 385-248-8269
SPECIFIC RELEVANT EXPERIENCE
• Utility Risk Assessment and Asset Management Program, Lehi, UT - Project
Engineer. Assessment risk of failure for Lehi City’s culinary water, pressurized
irrigation, sanitary sewer, storm sewer, and street utilities. Results of the comprehensive
risk model will be used to develop asset prioritization strategies and allow the City to
focus their time and resources on their most critical needs.
• Wastewater Collection Facility Plan, Bozeman, MT - Project Engineer. Built two
custom risk models from parsed data provided by the client and gathered from various
online sources to assist the City in future planning. Identified and developed cost
sheets for 61 capital improvement projects, and provided risk model deliverables on
experimental Esri Insights Dashboards. In addition, provided training to the client on
how to use the risk model software.
• Water Model and Asset Management Program, Great Falls, MT - Project Engineer
Calculated peak factor and diurnal curves for winter, average, and summer day patterns
in four pressure zones as well as the complete system. Developed and calibrated a
water distribution model using data from fire flow tests, pressure monitoring, demand
allocations, and existing GIS data. Developed existing model scenarios using the
calculated diurnal demands, as well as two risk models for the City to identify key areas
of weakness or risk in the system. Provided two training sessions in the use of
InfoWater Pro, and developed additional scenarios to test the system’s resiliency.
• Wastewater Facility Plan, Big Sky, MT - Project Engineer. Integrated manhole
depths and connections into the wastewater model. Worked with operators to
identify and correct GIS data gaps and provided locations where surveyors would
need to return to gather the additional information.
• Sewer Model Update, St. Louis Park, MN - Project Engineer.
Converted existing hydraulic model to new software. Updated base
loading flows and analyzed changes in flow patterns and loading
conditions.
• Water and Wastewater Model Update, Dillon, CO - Project
Engineer. Built a collection system model from scratch using
existing as-built record drawings, existing GIS, and meter flow data.
Performed a steady-state analysis to establish current Average Day
and Peak Day loading patterns. Analyzed full build out and rehab and
renewal scenarios to determine loading impacts on the current system.
• Rehabilitation and Renewal Plan, Minnetonka, MN - Project
Engineer. Parsed all data sources to identify lifecycle and replacement
cost estimates for non-water type assets, that include streets, curbs, street/
trail/traffic lights, traffic signs, trails, bridges, sirens, and retaining walls.
Developed a comprehensive 50-year R&R schedule for non-water type
assets and vertical water/wastewater/storm assets.
Jacob has experience in hydraulic and hydrologic modeling, asset management, and
risk assessment in the public and research sectors. His experience includes modeling
water distribution and collection systems, developing flood and drought models, and
performing criticality analyses.
Jacob Calhoon, EIT
Hydraulic Modeling, Risk Assessment Modeling, and Facility Planning
WHY JACOB?
Jacob is a powerhouse
in AE2S’ Utility
Planning Practice,
bringing expertise to
hydraulic modeling
and facility planning
projects. Working
closely with Trevor and
Donovan, he plays a
key role in delivering
innovative solutions in
infrastructure planning
for communities across
Montana and beyond.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.16
ARESUMES
Clay Martins, EIT
Local Project Engineer
EDUCATION
Bachelor of Science, Civil
Engineering, Montana Technological
University
REGISTRATIONS
Engineering-in-Training: Montana
CONTACT
Clayton.Martins@AE2S.com
T: 406-257-8990
C: 406-697-6598
Based out of Kalispell, Clay has served as a stormwater, water, water resources, and
site development project engineer in the greater Flathead area. He has experience in
preliminary design reports, preparation of plans and specifications, and construction
observation.
SPECIFIC RELEVANT EXPERIENCE
• Stormwater Treatment Facilities Project, Kalispell, MT - Resident Project
Representative. Conducted post-construction GPS survey and produced record
drawings. The treatment facilities consist of offline hydrodynamic separators that remove
pollutants from stormwater before discharging to public waterways. Project included
installation of three treatment units which treat stormwater from a large urban drainage area.
• Auxiliary Bar Screen, Libby, MT - Resident Project Representative. Provided
post-construction inspection services. The auxiliary bar screen was installed at the City’s
wastewater treatment facility to intercept solids at the primary lift station where sewage
flows enter the treatment plant. The project involved installing a new bar screen in the
existing wet-well which fed contents to a compactor, thus allowing the solid material to be
removed from the treatment stream and taken to a separate disposal facility. This improved
process performance downstream and helped the aging plant accommodate increased
flows.
• Cabinet Heights Transmission Main, Libby, MT - Project Engineer.
Design and construction of approximately 2,500 feet of 12-inch C900
PVC water transmission main. The Cabinet Heights area suffered from
inadequate fire flow for years. Modeling and future growth dictated the
abandonment of the existing steel 6-inch line to alleviate fire flow issues.
• Elmo Sewer Lagoons, Confederated Salish and Kootenai Tribes,
Lake County, MT - Project Engineer. Provided design services
for a wastewater treatment lagoon liner replacement project. Existing
lagoon had deteriorated to the point of failure and required replacement.
Specified a new geomembrane liner to contain wastewater in the treatment
lagoons and provided recommendation for demolition of existing liner.
Recommended plan for keeping treatment lagoons in operation during
liner replacement project using geo-bags and flexibility of existing process
piping.
• Cody Drive Stormwater Modeling, Billings, MT - Project
Engineer. Built a hydrologic and hydraulic model of the existing
urban stormwater system using a proprietary version of EPA SWMM
software. The purpose of the model was to determine possible alternative
solutions to periodic flooding issues faced by the City. Design solutions
included upsizing storm sewer mains and construction of a new stormwater
detention pond to attenuate peak runoff flows from the drainage area.
WHY CLAY?
Clay is a young
ambitious engineer
who will provide cost
effective support
throughout the project.
Working from our
Kalispell office, he’s the
perfect team member
to assist with any
condition assessment
inspections.
AE2S KALISPELL WATER AND SANITARY SEWER FACILITY PLAN UPDATE PROPOSAL A.17
www.ae2s.com