HomeMy WebLinkAbout#08 - Baywest Access Agreement
STAFF REPORT
DATE: 2/04/2025
Regular
TO: CITY COUNCIL
AGENDA ITEM: Approve Access Agreement with Bay West to conduct PFAS Destruction
Research on city owned property
FROM: Nicole Miller, City Administrator
REVIEWED BY: Marty Powers, Public Works Director
BACKGROUND:
The City of Lake Elmo supports research focused removing and destroying per- and polyfluoroalkyl
substances (PFAS) to provide safe drinking water to our community and the entire East Metro.
The City has been a proud partner with MPCA mobilizing a (surface activated foam fractionation) SAFF
system at Tablyn Park. The system captures PFAS as foam that is then separated from the water. The
foam is then removed and the water is returned to the environment.
Bay West in partnership with General Atomics and the US Army Engineer Research and Development
Center (ERDC), have proposed conducting testing and research to destroy PFAS substances such as the
foam concentrate that was removed from the water using the SAFF system within city limits. Bay West
has identified city owned land adjacent to our Public Works department located at 3445 Ideal Avenue as
their preferred site.
PROPOSAL DETAILS/ANALYSIS:
This access agreement will allow Bay West to enter city owned property to mobilize the temporary testing
facilities for a timeline of approximately 4-5 weeks beginning mid April 2025. Below are some key
considerations regarding this agreement:
Access to Public Works facility:
Public Works access road will remain open and accessible to employees and visitors.
Site improvements that are made will be restored to their original condition with the exception of the gravel
pad that will remain in place after Bay West vacates the site.
Hours of Operation:
The hours for testing will be conducted during the hours of 8 AM to 6 PM that is consistent with the city
code. Our city code allows for construction activities exceeding ambient noise levels to be operated between
the hours of 7:00 a.m. to 7:00 p.m. on weekdays and on Saturdays from 8:00 a.m. to 6:00 p.m
Noise:
The noise decibel level from the research equipment as well as on site generators are within the guidelines
of the city code and are not expected to disturb residents. There are no structures located within the 40
decibel noise perimeter. For comparison, our city code allows for heavy equipment usage as long as the
sound level from the operation exceeds doesn’t exceed 100 decibels measured along any property line.
Public Tours and Education
Bay West will work with staff to communicate the research and testing being conducted as well as
informing the public when tours are available.
Permits:
Bay West is working with staff to identify and apply for all necessary permits.
The access agreement has been reviewed by our City Attorney.
ISSUE BEFORE COUNCIL:
Should the City Council approve access agreement with Bay West to allow them to conduct PFAS
destruction research at the Public Works location 3445 Ideal Avenue?
FISCAL IMPACT:
No fiscal impact.
RECOMMENDATION:
“Motion to approve the Access Agreement with Bay West to conduct PFAS Destruction Research at
city owned land located at 3445 Ideal Avenue.”
ATTACHMENTS:
• Access Agreement
• Bay West PFAS Destruction Research Presentation
Doc# 2596240
Temporary Easement and Access Agreement
This Temporary Easement and Access Agreement (“Agreement”) dated as of
____________________, 2025 (the “Effective Date”), is entered into by and between the City
of Lake Elmo (“Property Owner”); and Bay West, LLC (together with its successors and
assigns, “Bay West”).
RECITALS
A. Property Owner owns the real property situated within Washington County, State of
Minnesota more particularly known as 3445 Ideal Ave, Lake Elmo, MN 55042 (the “Property”).
B. Bay West wishes to perform per- and polyfluoroalkyl substances (PFAS)
destruction tests as part of a federally funded research project (the “Project”) on the Property.
Bay West intends to install certain temporary improvements, including but not limited to
reinforcement of an existing access road, installation of testing equipment, including , but not
limited to an air compressor and the mobile research unit, piping and conduit to provide
temporary electrical and water services to the Property and secondary containment for liquid-
holding totes and tanks (collectively and as more particularly described below and as generally
depicted in the attached Exhibit A (the “Site Plan”), attached hereto and made a part hereof, the
“Testing Facilities”) in connection with the Project.
C. Bay West desires to obtain a temporary construction and access easement on the
Property to be used during the construction, maintenance, repair, replacement, relocation, use and
removal of the Testing Facilities from the Effective Date until 11:59 P.m. on October 1, 2025 (the
“Term”).
D. Property Owner is willing to grant Bay West certain rights pursuant to the terms and
conditions set forth in this Agreement.
AGREEMENT
1. Parties. The Parties to this Agreement are:
A. Bay West located at 5 Empire Drive, St Paul MN 55103: and
B. City of Lake Elmo located at 3880 Laverne Ave North, Lake Elmo, MN 55042.
2. Access. The Property Owner hereby consents and provides authorization and a
temporary easement to Bay West, its employees, agents, contractors, members of the
public on tours of the Project, and state and federal entities overseeing the Project to
enter the Property for the following purposes:
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• Documentation of the work associated with the Project via note taking, surveying,
photography, and painting of utility locations
• Evaluation of the Property to prepare for the Testing Facilities;
• Grading and ground preparation along the Property Owner’s existing gravel road
on the Property to the Testing Facilities and the area on which the Testing
Facilities will be placed ,conducted in accordance with reasonably agreed-upon
procedures and materials such as Class V road base to reinforce the gravel
driveway and the Testing Facilities work area.
• Staging of materials, supplies, and the Testing Facilities
• Daily access during the duration of staged onsite equipment, testing, and site
restoration activities during the Term of this Agreement.
• Access during the Term of this Agreement for tours as described in Section 4
herein. Visitor parking is noted on the site plan in Appendix A.
• The Property Owner’s Public Works Department will have access for public
works operations at all times.
3. Bay West obligations. Prior to the initial start of the work on the Property, Bay West
will notify the Property Owner at least two business days prior to starting such initial work
actions. Work will be conducted during the hours of 8:00 a.m. to 6:00 p.m. unless Bay
West receives permission to conduct work during different hours. Bay West is
responsible for overseeing, coordinating, and completing site activities from start of
ground preparation to completion of agreed-upon site restoration activities.
4. Bay West support of public outreach. Bay West will prepare and provide agreed-
upon draft materials to the Property Owner for the purpose of public outreach. It is
anticipated that such materials will be discussed and agreed upon 1) prior to start of any
onsite work, 2) after completion of site activities, and 3) upon completion of the work
associated with the research contract and grant. Bay West and its subcontractor General
Atomics will arrange public tours, anticipated to take place after installation of the
Testing Facilities and system checks and once a week during testing.
5. Bay West and Property Owner precautions regarding work.
A. Bay West will conduct its activities so as to avoid unreasonable interference with the
use of the Property by Property Owner, provided Property Owner understands and
agrees the work contemplated and authorized by this Agreement in the locations
generally depicted on the attached Site Plan shall not constitute unreasonable
interference with the Property Owner’s use of the Property. If a portion of the
Property, significantly outside of the area to be used for the Project, as depicted in
the Site Plan, must be disturbed as a result of Bay West’s activities, Bay West will
discuss the proposed disturbance with the Property Owner and agree upon actions
and restoration. Bay West will restore the Property as close to its original condition
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as is reasonably possible under the circumstances, provided Bay West shall not be
required to remove or otherwise restore the access road and gravel pad as installed
by Bay West, as part of its work authorized under this Agreement. Bay West will
work with the Property Owner to install reasonable security measures and a work
site security fence and gate that allows large vehicular access for Bay West and its
agents, contractors, and subcontractors. The gate and fence will be removed as part
of site restoration activities. Property Owner may request access to the fenced area
upon two business days’ notice, provided it must be escorted by Bay West when
accessing areas secured by fencing.
B. The Property Owner will take reasonable precautions to ensure that the equipment of
Bay West and its contractors on the property is not damaged, and that the work
being conducted by Bay West, its employees, agents, and contractors is not
disrupted.
C. Bay West and its subcontractors will conduct onsite activities in accordance with the
Bay West Health & Safety Plan (“H&S Plan”) and Accident Prevention Plan (“APP”),
to be presented to Property Owner at least two weeks in advance of onsite
activities. Copies of the H&S Plan and APP will be kept in the Project control shed
throughout onsite activities and made available to Bay West and Property Owner
personnel upon request.
6. Permits. Bay West will obtain all necessary permits for the work performed at the site.
The following permits are the only permits Bay West is required to secure from the
Property Owner, in its role as regulatory authority over the Property:
• Aboveground Tank Installation Permit (if applicable)
• Temporary Heating Permit (if applicable)
• Building Permit (if applicable)
• Zoning Permit (if applicable)
• Electrical Permit
• Fence Permit
• Sign Permit
• Grading Permit (if applicable)
• Structure Moving Permit (if applicable)
• Temporary Construction Permit (if applicable)
• List of Hazardous Materials
• Plumbing Permit/Connection Permit/Water Application
• Special Event Permit (if applicable)
As applicable, should permits be required by the Valley Branch Water District (VBWD) regarding
erosion control and stormwater management, Bay West will obtain and share with the City.
7. Work to be conducted at the Property.
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A. Site Layout. The Site Plan has been developed and agreed upon by the Property
Owner and Bay West.
B. Site Preparation. Bay West and its subcontractors will prepare the ground on the
gravel access road and at the work site to allow heavy vehicle deliveries. Grading of
the site may be required to meet vehicle access and equipment staging
requirements. The materials to be used will be discussed and agreed upon with the
Property Owner, whose consent shall not be unreasonably withheld conditioned or
delayed. Ground preparation is anticipated to meet requirements for installation of
equipment and personnel access to conduct the Project.
C. Utility connections. Water piping will have backflow prevention installed to code.
Power connections and usage meters will be made by the local power utilities
company and inspected as required. To the extent practicable, utilities serving the
Project will be separately metered to allow Bay West to pay such invoices directly.
D. Security fence and signage. A security fence, anticipated to be chain link with steel
posts, to a height of feet above level ground, will be installed along with a lockable
gate of a width allowing truck access. Signage about the research Project will be
discussed and agreed upon with the Property Owner, whose consent shall not be
unreasonably withheld conditioned or delayed, and the sign will be placed adjacent
to the gate at a reasonable height for reading from the access road. The fence and
gate will be removed during Site Restoration activities.
E. Vehicles and parking. Expected vehicular traffic are semi-truckers with trailers to
transport air compressor and PFAS destruction mobile unit to and from the site;
crane for approximately one day to lift these two items of heavy equipment onto the
site and approximately one day to remove; forklift for moving tanks and totes; work
trucks and cars. During research work activities, Bay West requests that occasional
overflow of vehicles such as official inspection vehicles or general public, be allowed
to temporarily park along the building access road. Excepting the onsite forklift, Bay
West and their subcontractors’ vehicles will be removed daily unless otherwise
agreed with the City Public Works Department.
F. Research Preparation activities. Major equipment to be staged at the site in general
accordance with the Site Plan include air compressor, PFAS destruction mobile unit,
temporary cover for the mobile unit that will at least 20 feet in height, a project
controls shed, liquid frac tanks and 275-gallon totes with steel frames, and
secondary containment.
G. Temporary fuel tank installations. Diesel fuel and propane tanks are necessary to
run the mobile research unit and air compressor. The tanks will be installed ,
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inspected, maintained, and removed after completion of the research Project in
accordance with their associated permits.
H.Chemical materials. To run the testing mobile unit, chemical materials to be brought
onsite and temporarily stored for research use. Chemicals will be stored in
containers specific to each chemical compound’s Safety Data Sheet (SDS). The
SDS will be kept onsite in the project controls shed during the duration of the project
and available for inspection. The chemicals are sodium hydroxide and PFAS-specific
feed materials for research purposes.
I.Management and disposal of effluent liquids. Liquids remaining after the destruction
tests will be piped directly to storage in appropriate frac tanks with sampling ports
and secondary containment. The effluent will be analytically tested and the results
will be used to determine the method of disposal.
8.Notification. Unless otherwise specified, written requests or other documents sent to
the Property Owner shall be addressed to:
City of Lake Elmo
3880 Laverne Ave North
Attn: Nicole Miller, City Administrator
Email: NMiller@lakeelmo.gov
Phone: 651-747-3905
All reports or other documents sent to Bay West shall be addressed to:
Bay West LLC
5 Empire Drive
St. Paul, MN 55103
ATTN: Patricia Corcoran
Email: tcorcoran@baywest.com
Phone: 651-291-3482
9.Restoration. During the onsite research work, Bay West will oversee weekly
removal of trash and debris. Supplies and materials will be contained and
managed for site access throughout the onsite activities. At the conclusion of
research testing using the mobile unit, Bay West will oversee packing, shipping,
and off-site transport of research-related equipment and supplies. Totes
containing the treated effluent will remain on secondary containment and
covered, until analytical tests are completed for determination of disposition. After
removal of the totes and secondary containment, Bay West will conduct a site
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walk with the Property Owner to note any remaining removal or cleaning actions
per the agreed-upon activities to complete site restoration.
10. Bay West Liability.
Bay West shall assume all liability for the actions and operations of its employees, contractors,
consultants, agents, and invitees while performing work on the Property and conducting public
visits and tours. Bay West shall indemnify, defend, and hold the City and its officials,
employees, agents, and contractors harmless from and against any and all loss, damage, injury,
or liability resulting from Bay West’s performance under this Agreement, including allowing the
public to access the Property and from any negligent acts of Bay West’s employees, agents,
and contractors and their employees and agents. Notwithstanding any provision to the contrary,
Bay West shall not be required to indemnify the City, its officials, employees, agents or
contractors for any loss, damage, injury or liability was caused by the negligence or willful
misconduct of the City, its officials, employees, agents or contractors and Notwithstanding the
foregoing, Bay West shall not be liable or otherwise responsible for any existing c ontamination
on the Property that was not removed by Bay West during its testing on the Property.
11. This Agreement binds and benefits the parties and their successors and assigns and
may only be modified by written agreement of the parties. This Agreement may not be
assigned, transferred, or conveyed by either party without the express written consent of
the other, which consent may be granted in such other party’s sole and absolute
discretion.
12. The laws of the State of Minnesota shall govern this Agreement.
13. All work on the Property completed by Bay West, its employees, contractors or agents
and associated with the Project shall be at Bay West’s sole cost and expense.
14. Bay West and its contractors, subcontractors, and agents must carry insurance during
the term of this Agreement in accordance with the following requirements:
A. Workers’ compensation insurance with limits as provided by statute, with
all necessary statutory elections to provide coverage for actions brought
by claims made by any person doing work on the Property pursuant to
this Agreement.
B. Comprehensive auto liability insurance with minimum combined single
limits of $1,500,000 per occurrence.
C. Comprehensive general liability insurance with minimum combined single
limits of $1,500,00 per occurrence.
D. The Party(ies) supplying the Testing Facilities and/or any vehicles,
materials, or equipment (“Facilities & Equipment”) stored on the Property,
shall carry the necessary insurance to cover said Facilities & Equipment.
E. The comprehensive general liability insurance policy must include the City
as an additional insured.
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15. Bay West agrees that throughout the term of this Agreement it shall not use the
Property for the storage, handling, transportation, or disposal of any Hazardous
Substances not specifically involved in the project. “Hazardous Substances” for
purposes of this Agreement shall be interpreted broadly to include, but not be
limited to, any material or substance that is defined, regulated or classified under
any Environmental Law of other applicable federal, state or local laws and the
regulations promulgated thereunder as: (i) a “hazardous substance” pursuant to
Section 101 of the Comprehensive Environmental Response, Compensation and
Liability Act, 42 U.S.C. §9601(14), the Federal Water Pollution Control Act, 33
U.S.C. §1321(14), as now or hereafter amended; (ii) a “hazardous waste”
pursuant to Section 1004 or Section 3001 of the Resource Conservation and
Recovery Act, 42 U.S.C. §§6903(5) , 6921, as now or hereafter amended; (iii)
toxic pollutant under section 307(a)(1) of the Federal Water Pollution Control Act,
33 U.S.C. §1317(a)(1) as now or hereafter amended; (iv) a “hazardous air
pollutant” under Section 112 of the Clean Air Act, 42 U.S.C. §7412(a)(6), as now
or hereafter amended; (v) a “hazardous material” under the Hazardous Materials
Transportation Uniform Safety Act of 1990, 49 U.S.C. §5102(2), as now or
hereafter amended; (vi) toxic or hazardous pursuant to regulations promulgated
now or hereafter under the aforementioned laws or any state or local counterpart
to any of the aforementioned laws; or (vii) presenting a risk to human health or
the environment under other applicable federal, state or local laws, ordinances or
regulations, as now or as may be passed or promulgated in the
future. “Hazardous Substances” shall also mean any substance that after
release into the environment or upon exposure, ingestion, inhalation, or
assimilation, either directly from the environment or directly by ingestion thro ugh
food chains, will or may reasonably be anticipated to cause death, disease,
behavior abnormalities, cancer, or genetic abnormalities and specifically
includes, but is not limited to, asbestos, polychlorinated biphenyls (“PCBs”),
radioactive materials, including radon and naturally occurring radio nuclides,
natural gas, natural gas liquids, liquefied natural gas, synthetic gas, oil,
petroleum and petroleum-based derivatives and urea formaldehyde. “Hazardous
Substances” does not include diesel, propane, diesel exhaust fluid (DEF) to
reduce NOx emissions from diesel engines, sodium hydroxide and PFAs -specific
feed materials for research purposes that are to be used by Bay West for running
the testing mobile unit on the Property.
Bay West will be solely liable for and will defend, indemnify, and hold City, its officials,
employees, contractors, and agents harmless from and against any and all claims, costs and
liabilities, including reasonable attorneys’ fees and costs, arising out of or in connection with Bay
West’s use, storage, handling, transportation, or disposal of Hazardous Substances on, at or
under the Property, including cleanup or restoration of the Property. Notwithstanding the
foregoing, Bay West shall not be liable for or required to defend or indemnify the City, its
officials, employees, contractors, and agents for any costs or liabilities caused by the
negligence, willful act or omission of the City, its officials, employees, contractors, and agents.
The obligations of this Section shall survive the expiration or other termination of this
Agreement.
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16. Effective Date. This Agreement shall be effective upon the date it is signed by Bay
West. By their signatures below, the undersigned represent that they have
authority to bind the parties they represent, their agents, successors, and
assigns.
AGREED BY:
BAY WEST LLC PROPERTY OWNER
By: By:
Name: Name:
Title: Title: Mayor
Date: Date:
By:
Name:
Title: City Clerk
Date:
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Exhibit A
Site Drawings and Technical Specifications
Exhibit A “Site Plan” is presented as a DRAFT, conceptual site layout with auxiliary drawings and technical
specifications subject to changes as agreed upon between Bay West and the Property Owner.
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II SITE
LAKE ELMO, MN
VICINITY MAP AND
DRAWING INDEX
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC COVER
REV REVISION DESCRIPTION BY CHK APP COVER
2
0 1/21/4
SCALE BAR: MILES
LAKE ELMO, MINNESOTA VICINITY MAP
DRAWING INDEX
COVER VICINITY MAP AND DRAWING INDEX
G-01 SPECIFICATIONS, LEGEND, AND ABBREVIATIONS
C-01 SITE LAYOUT
C-02 ISCWO UTILITY SOURCES
C-03A SITE IMPROVEMENTS
C-03B SITE IMPROVEMENTS
C-03C EROSION CONTROL
C-04A EQUIPMENT CROSS SECTIONS
C-04B EQUIPMENT CROSS SECTIONS
C-05 SECONDARY CONTAINMENT
C-06 NOISE MAP
C-07 EQUIPMENT LOADING/UNLOADING AREAS
C-08 DELIVERY LOADING/UNLOADING AREAS
C-09 VISITOR PARKING OPTIONS
C-10 SITE RESTORATION
SITE
1 3 4 5 6
ERDC PFAS DESTRUCTION
RESEARCH PHASE II SITE
3445 IDEAL AVENUE NORTH
LAKE ELMO, MN 55042
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES (2024) DISTRIBUTION AIRBUS DS
MOBILE INDUSTRIAL
SUPER CRITICAL WATER
OXIDATION (ISCWO)
SYSTEM
LAYOUT DRAWINGS
JANUARY 2025
1/28/25
1/28/2025
LAKE ELMO CITY LIMIT
ERW
ATJ
1/28/25
1/28/25
ABBREVIATIONS:
" IN, INCH
' FT, FOOT, FEET
A AMPS
AST ABOVE GROUND STORAGE TANK
ASTM AMERICAN SOCIETY FOR TESTING AND MATERIALS
dBA DECIBELS
DEG. F/oF DEGREES FAHRENHEIT
DIA./Ø DIAMETER
DIP DUCTILE IRON PIPE
E EAST / EASTING
EFF.EFFECTIVE
ELEV.ELEVATION
FT FOOT, FEET
GAL GALLON
HP HORSE POWER
HPAC HIGH PRESSURE AIR COMPRESSOR
IN INCH
ISCWO INDUSTRIAL SUPER CRITICAL WATER OXIDATION
KW KILOWATTS
LF LINEAR FEET
MAX.MAXIMUM
MIN.MINIMUM
MNDOT MINNESOTA DEPARTMENT OF TRANSPORTATION
MPH MILES PER HOUR
N NORTH / NORTHING
NEC NATIONAL ELECTRIC CODE
NO.NUMBER
PFAS PER- AND POLYFLUOROALKYL SUBSTANCES
PPM PARTS PER MILLION
PSI POUNDS PER SQUARE INCH
PVC POLYVINYL CHLORIDE
RPM REVOLUTIONS PER MINUTE
SCH SCHEDULE
SDR STANDARD DIMENSION RATIO
SS STAINLESS STEEL
TBD TO BE DETERMINED
TYP.TYPICAL
V VOLTS
VAC VOLTS ALTERNATING CURRENT
VDC VOLTS DIRECT CURRENT
SPECIFICATIONS:
GENERAL:
1.THE TEMPORARY ISCWO SYSTEM WILL BE LOCATED ON THE PARCEL (PARCEL ID: 1602921240002) IMMEDIATELY NORTH OF THE LAKE
ELMO PUBLIC WORKS BUILDING LOCATED AT 3445 IDEAL AVENUE NORTH, LAKE ELMO, MN 55042.
2.BAY WEST SHALL COORDINATE ACCESS DURING CONSTRUCTION, SETUP, TESTING, AND SITE RESTORATION WITH THE CITY OF LAKE
ELMO. THE TEMPORARY ISCWO SYSTEM WILL BE INSTALLED ON LAND OWNED BY THE CITY OF LAKE ELMO. BAY WEST SHALL BE
RESPONSIBLE FOR MAINTAINING CONSTANT COORDINATION BETWEEN ANY SUBCONTRACTORS AND LAKE ELMO. ALL CONSTRUCTION
ACTIVITIES PLANNED BY BAY WEST SHALL BE REVIEWED AND APPROVED BY THE OWNER.
3.THE LOCATIONS OF UTILITIES SHOWN HAVE BEEN DETERMINED FROM AVAILABLE INFORMATION. IT SHALL BE THE RESPONSIBILITY OF
BAY WEST TO LOCATE ALL EXISTING UTILITIES, WHETHER OR NOT SHOWN ON THE DRAWINGS, AND TO PROTECT THEM FROM DAMAGE.
WHERE A UTILITY IS ABANDONED OR REQUIRES TO BE PROTECTED, BAY WEST SHALL PROVIDE PROTECTION OF THE UTILITY. BAY WEST
SHALL BEAR ALL EXPENSE OF REPAIR, REPLACEMENT, OR ANY OTHER CHARGES RELATED TO EXISTING UTILITIES IN CONJUNCTION WITH
THE EXECUTION OF THIS WORK.
4.UNKNOWN SITUATIONS OR CONDITIONS NOT COVERED IN THE CONTRACT DOCUMENTS MAY ARISE DURING CONSTRUCTION. BAY WEST
SHALL NOTIFY LAKE ELMO IF SUCH A CONDITION IS IDENTIFIED.
5.ALL MATERIALS WILL BE IN STRICT COMPLIANCE WITH MINNESOTA STANDARD SPECIFICATIONS, LATEST EDITION. ALL WORK SHALL BE
PERFORMED IN ACCORDANCE WITH LOCAL, STATE, AND FEDERAL REGULATIONS.
SITE IMPROVEMENTS:
1.BAY WEST SHALL CONSTRUCT AN 8-INCH THICK GRAVEL PAD AT THE JOB SITE. THE GRAVEL PAD WILL BE COMPOSED OF RECYCLED
MATERIAL CLASS V GRAVEL WITH QUALITY REQUIREMENTS ACCORDING TO MNDOT SPECIFICATIONS.
2.BAY WEST WILL GRADE THE JOB SITE BEFORE GRAVEL PLACEMENT. AS DIRECTED BY LAKE ELMO, BAY WEST WILL STOCKPILE
EXCAVATED NATIVE SOIL FOR FUTURE USE AT THE SITE BY THE CITY OF LAKE ELMO.
3.BAY WEST WILL COMPACT THE GRAVEL PAD TO 95% OF MAXIMUM DRY DENSITY IN TWO 4-INCH LIFTS. THE CLASS V GRAVEL WILL BE
COMPACTED BY A MECHANICAL OR VIBRATING COMPACTOR.
4.THE GRAVEL PAD WILL BE LEVEL WITH THE EXISTING GRAVEL ROAD (WEST TO EAST) & GROUND GRADE (SOUTH TO NORTH).
TEMPORARY ELECTRICAL SETUP:
1.A GENERATOR WILL SUPPLY POWER FOR THE JOB SITE. THE GENERATOR SHALL SUPPLY 480/277 VOLTS AND 1,000 KILOWATTS. THE
GENERATOR CONSUMES DIESEL AND DIESEL EXHAUST FLUID (DEF) TO GENERATE POWER. THE GENERATOR WILL BE HOUSED IN A
TRAILER.
2.IF NEEDED, XCEL ENERGY MAY INSTALL A LOW VOLTAGE, TEMPORARY POWER DROP TO SUPPLY POWER TO EQUIPMENT (E.G. SECURITY
CAMERAS, HEATING DEVICES, ETC) WHICH WILL RUN DURING OFF WORK HOURS
3.IF NEEDED, BAY WEST MAY USE A SMALLER GENERATOR TO POWER EQUIPMENT DURING OFF WORK HOURS
4.ALL ELECTRICAL HOOK-UP AND INSTALLATION WILL BE COMPLETED BY A LICENSED ELECTRICIAN IN ACCORDANCE WITH NATIONAL
ELECTRIC CODE (NEC) AND ALL GOVERNING STATE AND LOCAL REGULATIONS.
5.CONTROL PANELS WILL BE NEMA 4 AND ALL CONTROL PANEL COMPONENTS WILL BE UNDERWRITER LABORATORY (UL) LISTED.
WATER SUPPLY:
1.BAY WEST WILL DRAW APPROXIMATELY 10 GPM FROM A LAKE ELMO FIRE HYDRANT. BAY WEST WILL GO THROUGH THE LAKE ELMO
FIRE DEPARTMENT TO CONNECT THE ISCWO SYSTEM TO THE FIRE HYDRANT. BAY WEST WILL INSTALL A CERTIFIED BACKFLOW
PREVENTER AND WATER USAGE METER ON THE FIRE HYDRANT CONNECTION.
2.BAY WEST WILL DISCONNECT FROM THE FIRE HYDRANT AT THE END OF EACH WORKING DAY IN THE EVENT OF AN EMERGENCY AFTER
NORMAL WORK HOURS. DURING NORMAL WORK HOURS, BAY WEST WILL ALWAYS HAVE SOMEONE ONSITE TO QUICKLY SHUT DOWN THE
SYSTEM AND DISCONNECT FROM THE FIRE HYDRANT, IF NEEDED.
EQUIPMENT:
1.THE ISCWO SKID WILL BE HOUSED UNDERNEATH A ISCWO SHELTER, WHICH WILL CONSIST OF STRUCTURE WITH ONLY A ROOF (SIMILAR
TO A CARPORT). THE ISCWO STRUCTURE WILL BE CERTIFIED TO WITHSTAND 115 MPH WIND SPEEDS. THE ISCWO SHELTER MAY HAVE AN
UNDERGROUND CONCRETE FOUNDATION (SIZE TBD)
SECONDARY CONTAINMENT:
1.EQUIPMENT AND STORAGE AREAS WHICH CONTAIN CERTAIN MATERIALS WILL HAVE SECONDARY CONTAINMENT AS OUTLINED IN THESE
DRAWINGS.
2.SOME SECONDARY CONTAINMENT OPTIONS ARE CONTAINMENT BERMS, WHICH COLLECT RAINWATER DURING STORM EVENTS. BAY
WEST WILL REMOVE WATER FROM CONTAINMENT BERMS DAILY AND PUMP THAT ACCUMULATED WATER INTO THE EFFLUENT FRAC
TANK.
SAFETY:
1.BAY WEST AND ITS SUBCONTRACTORS WILL CONDUCT ONSITE ACTIVITIES IN ACCORDNACE WITH BAY WEST HEALTH AND SAFETY PLAN
(H&S PLAN) AND ACCIDENT PREVENTION PLAN (APP), TO BE PRESENTED TO PROPERTY OWNER AT LEAST TWO WEEKS IN ADVANCE OF
ONSITE ACTIVITIES. COPIES OF H&S PLAN AND APP WILL BE KEPT IN THE PROJECT CONTROL SHED THROUGHOUT ONSITE ACTIVITIES
AND MADE AVAILABLE TO BAY WEST AND PROPERTY OWNER PRESONNEL UPON REQUEST.
GENERAL SYMBOLS KEY:
CONCRETE
CLASS V GRAVEL
NATIVE SOIL
TEMPORARY FENCE
TEMPORARY WATER FEED LINE (ABOVE GRADE)
HIGH PRESSURE AIR FEED LINE
DIESEL FEED LINE (WITH SECONDARY CONTAINMENT)
PFAS FEED LINE (WITH SECONDARY CONTAINMENT)
PROPANE LINE
LAKE ELMO WATER MAIN (12" DIA, DIP)
15' OFFSET FROM LAKE ELMO WATER MAIN
ISCWO LIQUID EFFLUENT LINE (WITH SECONDARY CONTAINMENT)
SECONDARY CONTAINMENT
SITE LIMITS (SEE GENERAL NOTES)
EXISTING OVERHEAD ELECTRIC LINE
PROPOSED TEMPORARY OVERHEAD ELECTRIC LINE
EXISTING POWER POLE
PROPOSED TEMPORARY POWER POLE
SURVEY LOCATION (WITH DESCRIPTION) COLLECTED BY BAY WEST
W W W W W W W W W
E E E E E E E E E
DESCRIPTION
DETAIL & CROSS SECTION
DESIGNATION:
SHEET DETAIL
IS LOCATED
DETAIL NUMBER
1
C-01
OH OH OH OH
OH OH OH OH
SPECIFICATIONS CONTINUED:
NOISE:
1.OPERATIONAL HOURS DEPENDANT UPON RESULTS OF CONTINUED NOISE LEVEL MEASUREMENTS OF THE ISCWO SYSTEM, HIGH
PRESSURE AIR COMPRESSOR, AND GENERATOR TO BE COMPLETED IN JANUARY 2025 & DURING SYSTEM START UP WHILE THE
EQUIPMENT IS AT THE LAKE ELMO SITE.
2.BAY WEST DOES NOT EXPECT THE ISCWO EQUIPMENT TO EXCEED THE LAKE ELMO SOUND ORDINANCE (LAKE ELMO CITY CODE 13.00.080)
OF AN INCREASE IN SOUND GREATER THAN SIX DECIBELS ABOVE THE AMBIENT NOISE AT THE PROPERTY LINE (DRAWING C-06). BAY
WEST ASSUMED THE PROPERTY LINE AS THE WEST SIDE OF IDEAL AVENUE NORTH DUE TO REGULAR TRAFFIC NOISE DURING NORMAL
WORKING HOURS. ACCORDING TO THE USDOT NATIONAL TRANSPORTATION NOISE MAP APPLICATION, IDEAL AVENUE NORTH
GENERATES APPROXIMATELY 50 TO 54.9 dBA ON AVERAGE OVER A 24-HOUR PERIOD. PREVIOUS NOISE TESTS OF THE ISCWO SYSTEM
SUGGEST THAT THE GENERATED NOISE LEVEL AT THE PROPERTY LINE WILL BE LESS THAN 40 dBA. THE ADDITION OF THE ISCWO
SYSTEM NOISE TO THE IDEAL AVENUE NORTH NOISE DOES NOT RESULT IN AN INCREASE GREATER THAN SIX DECIBELS ABOVE THE
AMBIENT NOISE AT THE PROPERTY LINE PER THE LAKE ELMO SOUND ORDINANCE.
SITE SECURITY:
1.JOB SITE WILL BE SURROUNDED BY TEMPORARY FENCING WHICH CONSISTS OF 12' LONG X 6' TALL SEGMENTS SUPPORTED BY
ABOVEGROUND STANDS. THE TEMPORARY FENCE LINE WILL INCLUDE TWO GATES WHICH WILL BE LOCKED DURING NON-OPERATIONAL
HOURS.
2.THE JOB SITE WILL ALSO INCLUDE SECURITY CAMERAS LOCATED ON EACH OF THE SIDES OF THE FENCE LINE.
1 2 3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II SITE
LAKE ELMO, MN
SPECIFICATIONS,
LEGEND AND ABBREVIATIONS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC G-01
REV REVISION DESCRIPTION BY CHK APP G-01
1/28/25
1/28/2025ERW
ATJ
1/28/25
1/28/25
E
E
W
W
W
W
W
W
W
W
W W W
A
B
C
D
H
G
E
F
JI
L
K
M
O
1C-0
4
A
1
C-04B
2
C-04A
W
P
N
Q
S
R
GATE
GATE
123456
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
SITE LAYOUT
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-01
REV REVISION DESCRIPTION BY CHK APP C-01
WATER FEED LINE (ABOVE GRADE)
LAKE ELMO WATER MAIN (12" DIA, DIP)
15' OFFSET FROM LAKE ELMO WATER MAIN
TEMPORARY FENCE LINE
E ISCWO LIQUID EFFLUENT LINE (WITH
SECONDARY CONTAINMENT DRAWING C-04A)
HIGH PRESSURE AIR FEED LINE
DIESEL FEED LINE (WITH SECONDARY
CONTAINMENT - DRAWING C-04A)
PFAS FEED LINE (WITH SECONDARY
CONTAINMENT - DRAWING C-04A)
ID DESCRIPTION
A ISCWO SKID
B ISCWO SHELTER (W/CONCRETE FOUNDATION)
C HIGH PRESSURE AIR COMPRESSOR (HPAC)
D OFFICE/CONTROL ROOM (SHIPPING
CONTAINER)
E FEED MATERIAL STORAGE (8' X 10' SHIPPING
CONTAINER)
F DOUBLE WALLED DIESEL AST (1,000-GAL)
G DIESEL GENERATOR
H DOUBLE WALLED EFFLUENT FRAC TANK
(18,430-GAL)
I INFLUENT WATER TANK (1,000-GAL)
J WATER SOFTENER VESSEL
K PRE-HEATER EXHAUST STACK (12" DIA)
L ISCWO EXHAUST STACK (12" DIA)
M PROPANE TANK (500-GAL)
N 8' X 10' SHIPPING CONTAINER (WORK
BENCH/TOOL STORAGE)
O 10% NAOH (275-GAL TOTE)
P DIESEL EXHAUST FLUID (55-GAL DRUMS)
Q ACTIVATED CARBON OR RESIN VESSELS FOR
PRE-TREATMENT (IF NEEDED)
R DOUBLE WALLED DIESEL AST (500-GAL)
S PORT-A-POTTY
W
LEGEND
SECONDARY CONTAINMENT
SITE LIMITS
GENERAL NOTES:
1. GRAVEL ROAD, FIRE HYDRANT, AND SITE LIMIT LOCATIONS GATHERED WITH A EOS ARROW GOLD GPS UNIT
2. LAKE ELMO WATER MAIN LOCATION OBTAINED FROM A DRAWING PROVIDED BY THE CITY OF LAKE ELMO PUBLIC WORKS DEPARTMENT
3. SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO THE EAST
4. TEMPORARY FENCE LINE CONSISTS OF 12' LONG BY 6' TALL SEGMENTS SUPPORTED BY ABOVEGROUND STANDS
5. 6,000 LB, DIESEL FORKLIFT WITH PNEUMATIC TIRES TO MOVE EQUIPMENT AND LOAD/UNLOAD CHEMICAL DELIVERIES
6. THE BASEMAP IMAGERY OF THE SITE DOES NOT INCLUDE A GRAVEL ROAD INSTALLED BY THE CITY OF LAKE ELMO.
7. ACTIVATED CARBON VESSELS WOULD REMOVE PFAS FROM LAKE ELMO CITY WATER BEFORE ISCWO PROCESS, IF NEEDED
8. THE DIESEL AST (R) BY THE GENERATOR WILL BE A CONTINGENCY IF FUEL SERVICE CAN'T DELIVER DAILY
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES (2024) DISTRIBUTION AIRBUS DS
0 40'20'
SCALE BAR 1:20
GRAVEL ROAD
36
T
H
S
T
R
E
E
T
N
O
R
T
H
PROPANE LINE
1/13/2025
1/13/25
ERW
PBD
1/13/25
1/13/25
W
W
W
W
W
W
W
W
W
W
W
OH
OH
OH
OH
OH
OH
OH
OH
OH
3456
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
ISCWO
UTILITY SOURCES
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-02
REV REVISION DESCRIPTION BY CHK APP C-02
21
LAKE ELMO WATER MAIN (12" DIA, DIP)
15' OFFSET FROM LAKE ELMO WATER MAIN
TEMPORARY FENCE LINE
LEGEND
SITE LIMITS
0 70'35'
SCALE BAR 1:35
WATER FEED LINE (ABOVE GRADE)W
GENERAL NOTES:
1. GRAVEL ROAD, FIRE HYDRANT, AND SITE LIMIT LOCATIONS GATHERED WITH A EOS
ARROW GOLD GPS UNIT
2. LAKE ELMO WATER MAIN LOCATION OBTAINED FROM A DRAWING PROVIDED BY THE
CITY OF LAKE ELMO PUBLIC WORKS DEPARTMENT
3. SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA
TO THE EAST
4. TEMPORARY FENCE LINE CONSISTS OF 12' LONG BY 6' TALL SEGMENTS SUPPORTED
BY ABOVEGROUND STANDS
5. THE BASEMAP IMAGERY OF THE SITE DOES NOT INCLUDE A GRAVEL ROAD
INSTALLED BY THE CITY OF LAKE ELMO
6. CONNECTION AT FIRE HYDRANT WILL INCLUDE WATER METER TO TRACK WATER
USAGE AND A CERTIFIED BACKFLOW PREVENTER
7. BAY WEST WILL DISCONNECT FROM THE FIRE HYDRANT AT THE END OF EACH
WORKING DAY IN THE EVENT OF AN EMERGENCY AFTER NORMAL WORK HOURS.
8. DURING NORMAL WORK HOURS, BAY WEST WILL ALWAYS HAVE SOMEONE ONSITE
TO QUICKLY SHUT DOWN THE SYSTEM AND DISCONNECT FROM THE FIRE HYDRANT,
IF NEEDED
9. A TEMPORARY, LOW VOLTAGE POWER DROP MAY BE NEEDED TO OPERATE
SECURITY CAMERAS AND HEATING DEVICES OVERNIGHT WITHOUT THE NEED FOR A
GENERATOR
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES
(2024) DISTRIBUTION AIRBUS DS
LAKE ELMO FIRE HYDRANT
GRAVEL ROAD
36
T
H
S
T
R
E
E
T
N
O
R
T
H
IDEAL AVENUE NORTH
INFLUENT WATER TANK
1/13/25
1/13/2025
EXISTING OVERHEAD ELECTRIC LINEOH
PROPOSED TEMPORARY OVERHEAD
ELECTRIC LINE (IF NEEDED)OH
EXISTING POWER POLE
PROPOSED TEMPORARY POWER POLE
(IF NEEDED)
1/13/25
1/13/25
ERW
ATJ
SECONDARY CONTAINMENT
1
C-
0
3
A
2
C-03B
58'
58'
98'
98'
49'
3
C-03B
GRAVEL ROA
D
~2.8% SLOPE
10"
SITE GRAVEL PAD
8-INCHES CLASS V
COMPACTED TO 95% OF MAXIMUM
DRY DENSITY IN TWO 4-INCH LIFTS
NATIVE SOIL
8"
98.00
1 2 3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
SITE IMPROVEMENTS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-03A
REV REVISION DESCRIPTION BY CHK APP C-03A
LAKE ELMO WATER MAIN (12" DIA, DIP)
15' OFFSET FROM LAKE ELMO WATER MAIN
TEMPORARY FENCE LINE
SITE LIMITS
GENERAL NOTES CONTINUED:
1.LAKE ELMO WATER MAIN LOCATION OBTAINED FROM A DRAWING PROVIDED BY THE CITY OF LAKE ELMO PUBLIC WORKS DEPARTMENT
2.SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO THE EAST
3.TEMPORARY FENCE LINE CONSISTS OF 12' LONG BY 6' TALL SEGMENTS SUPPORTED BY ABOVEGROUND STANDS
4.NATIVE SOIL WILL BE EXCAVATED TO PREPARE FOR THE SITE PAD AS SHOWN IN CROSS SECTION 1. EXCAVATED SOIL WILL BE STOCKPILED ACCORDING TO LAKE ELMO TO BE USED BY LAKE ELMO AT A
LATER DATE (DRAWING C-03C)
5.SOIL SHALL BE COMPACTED BY MEANS OF A MECHANICAL OR VIBRATING COMPACTOR
8.BAY WEST USED CONTOURS GENERATED IN 2011 FROM THE MINNESOTA GEOSPATIAL COMMONS FOR WASHINGTON COUNTY, MINNESOTA. THE CONTOURS RESEMBLE RELATIVE ELEVATION
MEASUREMENTS AS DESCRIBED ABOVE. BAY WEST USED THE 2011 CONTOURS AS A "WORST CASE SCENARIO" SINCE THOSE CONTOURS HAD A LARGER SLOPE COMPARED TO SITE MEASUREMENTS.
9.MATERIAL FOR SITE PAD TO CONSIST OF RECYCLED CLASS V MATERIAL PER MNDOT SPECIFICATIONS
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES (2024) DISTRIBUTION AIRBUS DS
HORIZONTAL 1:15 & VERTICAL: 4:15
GRADING CROSS SECTION1
SITE PAD (COMPOSED OF RECYCLED CLASS V)
NATIVE SOIL040'20'
SCALE BAR 1:20
GRAVEL ROAD
36TH STREET NORTH
ISCWO SHELTER CONCRETE FOUNDATION
CERTIFIED FOR WIND SPEEDS OF 115 MPH
DIMENSIONS TBD
1/28/2025
1/28/25
CONCRETE
ERW
PBD
1/28/25
1/28/25
10
1
0
'
1
0
0
8
'
10
0
6
'
10
0
4
'
1
0
0
2
'
TOPOGRAPHIC LINES
GENERAL NOTES:
1.SITE PAD WILL FOLLOW THE SAME GRADE AS THE GRAVEL ROAD. BAY WEST MAY LEVEL SPECIFIC PIECES OF EQUIPMENT WITH EXTRA GRAVEL OR RAILROAD TIES.
2.GRAVEL ROAD, FIRE HYDRANT, AND SITE LIMIT LOCATIONS & RELATIVE ELEVATIONS GATHERED WITH A EOS ARROW GOLD GPS UNIT
GRAVEL ROAD
10"
APPROXIMATE EXISTING GRADE (~0.3% SLOPE)
GRAVEL ROAD
SITE PAD
8-INCHES CLASS V
COMPACTED TO 95% OF MAXIMUM
DRY DENSITY IN TWO 4-INCH LIFTS
NATIVE SOIL
58'
8"
10"
GRAVEL ROAD
APPROXIMATE EXISTING GRADE (~0.7% SLOPE)
NATIVE SOIL
SITE PAD
8-INCHES CLASS V
COMPACTED TO 95% OF MAXIMUM
DRY DENSITY IN TWO 4-INCH LIFTS
58'8"
1 2 3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
SITE IMPROVEMENTS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-03B
REV REVISION DESCRIPTION BY CHK APP C-03B
GENERAL NOTES:
1.SITE PAD WILL FOLLOW THE SAME GRADE AS THE CURRENT GRADE. BAY WEST MAY LEVEL SPECIFIC
PIECES OF EQUIPMENT WITH EXTRA GRAVEL OR RAILROAD TIES.
2.GRAVEL ROAD LOCATIONS & RELATIVE ELEVATIONS GATHERED WITH A EOS ARROW GOLD GPS UNIT
3.SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO THE EAST
4.TEMPORARY FENCE LINE CONSISTS OF 12' LONG BY 6' TALL SEGMENTS SUPPORTED BY
ABOVEGROUND STANDS
5.NATIVE SOIL WILL BE EXCAVATED TO PREPARE FOR THE SITE PAD AS SHOWN IN CROSS SECTION 1.
EXCAVATED SOIL WILL BE MOVED TO CONTAINMENT BERMS TO BE USED BY LAKE ELMO AT A LATER
DATE (DRAWING C-03C)
6.SOIL SHALL BE COMPACTED BY MEANS OF A MECHANICAL OR VIBRATING COMPACTOR
7.BAY WEST USED CONTOURS GENERATED IN 2011 FROM THE MINNESOTA GEOSPATIAL COMMONS FOR
WASHINGTON COUNTY, MINNESOTA. THE CONTOURS RESEMBLE RELATIVE ELEVATION
MEASUREMENTS AS DESCRIBED ABOVE. BAY WEST USED THE 2011 CONTOURS AS A "WORST CASE
SCENARIO" SINCE THOSE CONTOURS HAD A LARGER SLOPE COMPARED TO SITE MEASUREMENTS.
8.MATERIAL FOR SITE PAD TO CONSIST OF RECYCLED CLASS V MATERIAL PER MNDOT SPECIFICATIONS
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES (2024)
DISTRIBUTION AIRBUS DS
HORIZONTAL 1:7.5 & VERTICAL: 4:7.5
WEST GRADING CROSS SECTION2
1/28/2025
1/28/25
ERW
PBD
1/28/25
1/28/25
HORIZONTAL 1:7.5 & VERTICAL: 4:7.5
EAST GRADING CROSS SECTION3
SITE PAD (COMPOSED OF RECYCLED CLASS V)
NATIVE SOIL
LEGEND
GRAVEL ROAD
APPROXIMATE EXISTING GRADE
LAKE ELMO CITY BOUNDARY
3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
EROSION CONTROL
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-03C
REV REVISION DESCRIPTION BY CHK APP C-03C
GENERAL NOTES:
1.GRAVEL ROAD AND SITE LIMIT LOCATIONS & RELATIVE ELEVATIONS GATHERED WITH
A EOS ARROW GOLD GPS UNIT
2.SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO
THE EAST
3.TEMPORARY FENCE LINE CONSISTS OF 12' LONG BY 6' TALL SEGMENTS SUPPORTED
BY ABOVEGROUND STANDS
4.NATIVE SOIL WILL BE EXCAVATED TO PREPARE FOR THE SITE PAD. EXCAVATED SOIL
WILL BE STOCKPILED AS DIRECTED BY LAKE ELMO TO BE USED BY LAKE ELMO AT A
LATER DATE
8.BAY WEST USED CONTOURS GENERATED IN 2011 FROM THE MINNESOTA GEOSPATIAL
COMMONS FOR WASHINGTON COUNTY, MINNESOTA. THE CONTOURS RESEMBLE
RELATIVE ELEVATION MEASUREMENTS AS DESCRIBED ABOVE. BAY WEST USED THE
2011 CONTOURS AS A "WORST CASE SCENARIO" SINCE THOSE CONTOURS HAD A
LARGER SLOPE COMPARED TO SITE MEASUREMENTS.
9.SURFACE WATER FLOW DIRECTION BASED ON THE 2011 CONTOURS
10.MATERIAL FOR SITE PAD TO CONSIST OF RECYCLED CLASS V MATERIAL PER MNDOT
SPECIFICATIONS
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES
(2024) DISTRIBUTION AIRBUS DS
GRAVEL ROAD
36
T
H
S
T
R
E
E
T
N
O
R
T
H
21
0 150'75'
SCALE BAR 1:75
1/28/2025
1/28/25
LAKE ELMO PUBLIC WORKS BUILDING
ID
E
A
L
A
V
E
N
U
E
N
O
R
T
H
ERW
PBD
1/28/25
1/28/25
10
1
0
'
10
0
0
'
9
9
0
'
10
1
0
'
1010'
1010'
TEMPORARY FENCE LINE
SITE LIMITS
LEGEND
EXCAVATED SOIL STOCKPILE AREA
SILT FENCE
TOPOGRAPHIC LINES
SITE PAD
SURFACE WATER FLOW DIRECTION
OUTER TUBE
CORRUGATED HDPE
4" DIAMATER
CONTAINMENT BERM
ISCWO GRAVEL PAD
ISCWO LIQUID
EFFLUENT LINE
1" DIAMETER HOSE
ISCWO LIQUID EFFLUENT LINE
(FROM ISCWO SKID)
ISCWO LIQUID EFFLUENT LINE
(TO EFFLUENT FRAC TANKS)
SUPPORTS
HIGH PRESSURE AIR COMPRESSOR
20.0'
9.5'
WOOD RAILROAD TIES
(IF NEEDED)
NATIVE SOIL
ISCWO GRAVEL PAD
1 2 3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
EQUIPMENT CROSS-SECTIONS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-04A
REV REVISION DESCRIPTION BY CHK APP C-04A
GENERAL NOTES:
1. BAY WEST WILL INSTALL DUAL TUBE PIPING SECONDARY CONTAINMENT ON THE LIQUID EFFLUENT LINE (SHOWN ABOVE), THE PFAS FEED LINE, AND
THE DIESEL FEED LINE
2. DUAL TUBE PIPING SECONDARY CONTAINMENT WILL CONSIST OF CORRUGATED, HDPE, 4-INCH TUBING
3. BAY WEST MAY NEED TO DISCONNECT FEED AND EFFLUENT LINES FROM THE ISCWO SYSTEM TO FACILITATE FORKLIFT ACCESS AROUND THE
ISCWO SYSTEM. BAY WEST WILL DRAIN LINES AND DUAL TUBE PIPING WITHIN A CONTAINMENT BERM BEFORE DISCONNECTION.
NOT TO SCALE
PIPING SECONDARY CONTAINMENT1
1:5 SCALE
HIGH PRESSURE AIR COMPRESSOR2010'5'
SCALE BAR 1:5
1/13/25
1/13/2025
SECONDARY CONTAINMENT
SITE GRAVEL PAD
NATIVE SOIL
LEGEND
ERW
PBD
1/13/25
1/13/25
35.0'
24.0'
20.0'
12.5'
ISCWO SHELTER (CARPORT)ISCWO SHELTER METAL ROOF
PRE-HEATER EXHAUST STACK
12" DIAMETER
PENETRATE THROUGH ISCWO SHELTER ROOF ISCWO EFFLUENT AIR STACK
12" DIAMETER
PENETRATE THROUGH ISCWO SHELTER ROOF
ISCWO
SHELTER
SUPPORT
POLES
ISCWO SHELTER CONCRETE FOUNDATION
CERTIFIED FOR WIND SPEEDS OF 115 MPH
DIMENSIONS TBD
NATIVE SOIL
ISCWO
SKID
SITE GRAVEL PAD
CONTAIN-
MENT
BERM
1 2 3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
EQUIPMENT CROSS-SECTIONS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-04B
REV REVISION DESCRIPTION BY CHK APP C-04B
GENERAL NOTES:
1. ISCWO SHELTER WILL BE CERTIFIED TO WITHSTAND WIND SPEEDS OF 115 MPH
2. ISCWO SHELTER WILL BE 35' LONG X 26' WIDE X 20' TALL (AT THE EDGES)
3. ISCWO SKID WILL BE 24' LONG X 8.4' WIDE X 12.5' TALL (EXCLUDING STACKS)
4. TOP OF ISCWO STACKS WILL CLEAR THE ISCWO SHELTER ROOF BY APPROXIMATELY 1 TO 2 FEET
IMAGE SOURCE: BULLDOG STEEL STRUCTURES
SCALE 1:5
ISCWO SHELTER & SKID3
0 10'5'
SCALE BAR 1:5
LEGEND
SECONDARY CONTAINMENT
PIPING SECONDARY CONTAINMENT
(SEE DRAWING C-04A)
1/13/2025
1/13/25
ERW
ATJ
1/13/25
1/13/25
A
B
C
D
H
G
E
F
JI
L
K
M
O
P
N
Q
S
R
EMERGENCY SPILL KIT
123456
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
SECONDARY
CONTAINMENT
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-05
REV REVISION DESCRIPTION BY CHK APP C-05
TEMPORARY FENCE LINE
LEGEND
GENERAL NOTES:
1. GRAVEL ROAD, FIRE HYDRANT, AND SITE LIMIT LOCATIONS GATHERED WITH A EOS ARROW GOLD GPS UNIT
2. SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO THE EAST
3. TEMPORARY FENCE LINE CONSISTS OF 12' LONG BY 6' TALL SEGMENTS SUPPORTED BY ABOVEGROUND STANDS
4. 6,000 LB, DIESEL FORKLIFT WITH PNEUMATIC TIRES TO MOVE EQUIPMENT AND CHEMICAL DELIVERIES
5. THE BASEMAP IMAGERY OF THE SITE DOES NOT INCLUDE A GRAVEL ROAD INSTALLED BY THE CITY OF LAKE ELMO.
6. REFERENCE DRAWING C-04A FOR SECONDARY CONTAINMENT OF PIPING
7. THE ISCWO SKID, FEED MATERIAL STORAGE, EFFLUENT FRAC TANK, AND GENERATOR WILL BE SURROUNDED BY CONTAINMENT BERMS
8. THE WORK BENCH/TOOL STORAGE SHIPPING CONTAINER WILL CONTAIN A SPILL KIT FOR CONTAINING/RECOVERING RELEASES
9. SOME SECONDARY CONTAINMENT OPTIONS ARE CONTAINMENT BERMS, WHICH COLLECT RAINWATER DURING STORM EVENTS. BAY WEST WILL REMOVE WATER FROM CONTAINMENT BERMS DAILY AND PUMP THAT ACCUMULATED WATER INTO THE EFFLUENT FRAC TANK.
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES (2024) DISTRIBUTION AIRBUS DS040'20'
SCALE BAR 1:20
GRAVEL ROAD
36
T
H
S
T
R
E
E
T
N
O
R
T
H
SOURCE: IRONCLAD SECONDARY CONTAINMENT
REQUIREMENTS FOR ABOVE GROUND STORAGE TANKS
SOURCE: ULINE IBC SPILL
CONTAINMENT PALLET:
SOURCE: WESTERN GLOBAL®
SOURCE: DUMPSTER LINERS
SPILL CONTAINMENT BERM
SOURCE: ULINE DRUM SPILL
CONTAINMENT PALLET:
1/13/25
1/13/2025
ID DESCRIPTION
A ISCWO SKID
B ISCWO SHELTER (W/CONCRETE FOUNDATION)
C HIGH PRESSURE AIR COMPRESSOR (HPAC)
D OFFICE/CONTROL ROOM (SHIPPING
CONTAINER)
E FEED MATERIAL STORAGE (8' X 10' SHIPPING
CONTAINER)
F DOUBLE WALLED DIESEL AST (1,000-GAL)
G DIESEL GENERATOR
H DOUBLE WALLED EFFLUENT FRAC TANK
(18,430-GAL)
I INFLUENT WATER TANK (1,000-GAL)
J WATER SOFTENER VESSEL
K PRE-HEATER EXHAUST STACK (12" DIA)
L ISCWO EXHAUST STACK (12" DIA)
M PROPANE TANK (500-GAL)
N 8' X 10' SHIPPING CONTAINER (WORK
BENCH/TOOL STORAGE)
O 10% NAOH (275-GAL TOTE)
P DIESEL EXHAUST FLUID (55-GAL DRUMS)
Q ACTIVATED CARBON OR RESIN VESSELS FOR
PRE-TREATMENT (IF NEEDED)
R DOUBLE WALLED DIESEL AST (500-GAL)
S PORT-A-POTTY
ERW
PBD
1/13/25
1/13/25
SECONDARY CONTAINMENT
EMERGENCY SPILL KIT
40 dBA
50 dBA
55 dBA
60 dBA
75 dBA
90 dBA
LAKE ELMO CITY BOUNDARY
PARCEL BOUNDARY
GRAVEL ROAD
3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
NOISE MAP
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-06
REV REVISION DESCRIPTION BY CHK APP C-06
21
LEGEND
40 dBA NOISE CONTOUR
50 dBA NOISE CONTOUR
55 dBA NOISE CONTOUR
60 dBA NOISE CONTOUR
75 dBA NOISE CONTOUR
> 90 dBA NOISE CONTOUR
50 TO 54.9 dBA NOISE AREA PER USDOT
NATIONAL TRANSPORTATION
NOISE MAP APPLICATION
GENERAL NOTES:
1.BAY WEST DOES NOT EXPECT THE ISCWO EQUIPMENT TO EXCEED THE LAKE ELMO
SOUND ORDINANCE (LAKE ELMO CITY CODE 13.00.080) OF AN INCREASE IN SOUND
GREATER THAN SIX DECIBELS ABOVE THE AMBIENT NOISE AT THE PROPERTY LINE
(DRAWING C-06). BAY WEST ASSUMED THE PROPERTY LINE AS THE WEST SIDE OF
IDEAL AVENUE NORTH DUE TO REGULAR TRAFFIC NOISE DURING NORMAL WORKING
HOURS. ACCORDING TO THE USDOT NATIONAL TRANSPORTATION NOISE MAP
APPLICATION, IDEAL AVENUE NORTH GENERATES APPROXIMATELY 50 TO 54.9 dBA ON
AVERAGE OVER A 24-HOUR PERIOD. PREVIOUS NOISE TESTS OF THE ISCWO SYSTEM
SUGGEST THAT THE GENERATED NOISE LEVEL AT THE PROPERTY LINE WILL BE LESS
THAN 40 dBA. THE ADDITION OF THE ISCWO SYSTEM NOISE TO THE IDEAL AVENUE
NORTH NOISE DOES NOT RESULT IN AN INCREASE GREATER THAN SIX DECIBELS
ABOVE THE AMBIENT NOISE AT THE PROPERTY LINE PER THE LAKE ELMO SOUND
ORDINANCE.
2.BAY WEST WILL ONLY OPERATE (INCLUDING THE GENERATOR, ISCWO SKID, AND
HPAC) BETWEEN THE HOURS OF 7:00 AM TO 7:00 PM ON WEEKDAYS. THESE HOURS
ARE SUBJECT TO CHANGE BASED ON NOISE MEASUREMENTS RESULTS BEFORE
SYSTEM START UP
3.BAY WEST MIGHT USE A SMALLER GENERATOR TO POWER HEATING EQUIPMENT
OVERNIGHT
4.NOISE CONTOURS CENTERED AROUND THE HIGH PRESSURE AIR COMPRESSOR
(HPAC)
5.NOISE CONTOURS DO NOT TAKE INTO ACCOUNT LOCAL SITE FEATURES (E.G. TREES)
6.NOISE MEASUREMENTS AT THE HPAC ARE APPROXIMATELY 120 dBA
7.NOISE MEASUREMENTS 10 FT FROM THE HPAC ARE APPROXIMATELY 110 dBA
8.NOISE MEASUREMENTS COLLECTED AT GENERAL ATOMICS' SAN DIEGO FACILITY WITH
THEIR DEMO AIR COMPRESSOR UNIT
9.THE USDOT NATIONAL TRANSPORTATION NOISE MAP APPLICATION NOISE USES A
24-HR EQUIVALENT, A-WEIGHTED SOUND LEVEL NOISE METRIC. THE METRIC
REPRESENTS THE APPROXIMATE AVERAGE NOISE OVER A 24-HR PERIOD.
10.DURING SYSTEM OPERATIONS, HEARING PROTECTION WILL BE REQUIRED WHILE
OUTSIDE THE MOBILE OFFICE.
11.PARCEL BOUNDARY OBTAINED FROM WASHINGTON COUNTY PROPERTY MAP
12.GRAVEL ROAD LOCATION DATA GATHERED WITH A EOS ARROW GOLD GPS UNIT
13.THE BASEMAP IMAGERY OF THE SITE DOES NOT INCLUDE A GRAVEL ROAD INSTALLED
BY THE CITY OF LAKE ELMO
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES
(2024) DISTRIBUTION AIRBUS DS
36
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H
S
T
R
E
E
T
N
O
R
T
H
0 150'75'
SCALE BAR 1:75
1/28/2025
1/28/25
LAKE ELMO PUBLIC WORKS BUILDING
ID
E
A
L
A
V
E
N
U
E
N
O
R
T
H
ERW
ATJ
1/28/25
1/28/25
APPROXIMATE
MOBILE CRANE LOCATION
SEMI-TRAILER
CO
3456
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
EQUIPMENT LOADING &
UNLOADING AREAS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-07
REV REVISION DESCRIPTION BY CHK APP C-07
21
LAKE ELMO WATER MAIN (12" DIA, DIP)
15' OFFSET FROM LAKE ELMO WATER MAIN
LEGEND
SITE LIMITS
GENERAL NOTES:
1. EQUIPMENT STAGING WILL INCLUDE A MOBILE CRANE WHICH WILL UNLOAD THE
ISCWO SKID AND HIGH PRESSURE AIR COMPRESSOR.
2. BAY WEST WILL SETUP TEMPORARY FENCE AFTER EQUIPMENT STAGING
3. GRAVEL ROAD, FIRE HYDRANT, AND SITE LIMIT LOCATIONS GATHERED WITH A EOS
ARROW GOLD GPS UNIT
4. LAKE ELMO WATER MAIN LOCATION OBTAINED FROM A DRAWING PROVIDED BY THE
CITY OF LAKE ELMO PUBLIC WORKS DEPARTMENT
5. SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO
THE EAST
6. THE BASEMAP IMAGERY OF THE SITE DOES NOT INCLUDE A GRAVEL ROAD INSTALLED
BY THE CITY OF LAKE ELMO
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES
(2024) DISTRIBUTION AIRBUS DS
GRAVEL ROAD
36
T
H
S
T
R
E
E
T
N
O
R
T
H
0 40'20'
SCALE BAR 1:20
1/13/25
1/13/2025
MOBILE CRANE EXAMPLE
SOURCE: UNITED RENTALS
SITE GRAVEL PAD
CONCRETE FOUNDATION FOR
ISCWO SHELTER
1/13/25
1/13/25
ERW
ATJ
A
B
C
D
H
G
E
F
JI
L
K
M
O
P
N
Q
S
RTANKER TRUCK
GATE
GATE
3456
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
DELIVERY LOADING &
UNLOADING AREAS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-08
REV REVISION DESCRIPTION BY CHK APP C-08
21
LAKE ELMO WATER MAIN (12" DIA, DIP)
15' OFFSET FROM LAKE ELMO WATER MAIN
TEMPORARY FENCE LINE
LEGEND
SITE LIMITS
GENERAL NOTES:
1. DELIVERIES INCLUDE: DIESEL FOR THE ISCWO SKID AND GENERATOR, ISCWO FEED MATERIAL, SODIUM HYDROXIDE, PROPANE, WATER SOFTENER TANK(S), ACTIVATED CARBON VESSEL TANKS (IF NEEDED), PORT-A-POTTY MAINTENANCE, AND DEF FOR THE GENERATOR
2. DELIVERIES WILL ALWAYS REQUIRE A SPOTTER FOR THE DELIVERY VEHICLES
3. HIGH VISIBILITY CONES WILL BE PLACED AROUND THE DIESEL AST
4. GRAVEL ROAD, FIRE HYDRANT, AND SITE LIMIT LOCATIONS GATHERED WITH A EOS ARROW GOLD GPS UNIT
5. LAKE ELMO WATER MAIN LOCATION OBTAINED FROM A DRAWING PROVIDED BY THE CITY OF LAKE ELMO PUBLIC WORKS DEPARTMENT
6. SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO THE EAST
7. THE BASEMAP IMAGERY OF THE SITE DOES NOT INCLUDE A GRAVEL ROAD INSTALLED BY THE CITY OF LAKE ELMO
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES (2024) DISTRIBUTION AIRBUS DS
GRAVEL ROAD
36
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H
S
T
R
E
E
T
N
O
R
T
H
0 40'20'
SCALE BAR 1:20
1/13/2025
1/13/25
ID DESCRIPTION
A ISCWO SKID
B ISCWO SHELTER (W/CONCRETE FOUNDATION)
C HIGH PRESSURE AIR COMPRESSOR (HPAC)
D OFFICE/CONTROL ROOM (SHIPPING
CONTAINER)
E FEED MATERIAL STORAGE (8' X 10' SHIPPING
CONTAINER)
F DOUBLE WALLED DIESEL AST (1,000-GAL)
G DIESEL GENERATOR
H DOUBLE WALLED EFFLUENT FRAC TANK
(18,430-GAL)
I INFLUENT WATER TANK (1,000-GAL)
J WATER SOFTENER VESSEL
K PRE-HEATER EXHAUST STACK (12" DIA)
L ISCWO EXHAUST STACK (12" DIA)
M PROPANE TANK (500-GAL)
N 8' X 10' SHIPPING CONTAINER (WORK
BENCH/TOOL STORAGE)
O 10% NAOH (275-GAL TOTE)
P DIESEL EXHAUST FLUID (55-GAL DRUMS)
Q ACTIVATED CARBON OR RESIN VESSELS FOR
PRE-TREATMENT (IF NEEDED)
R DOUBLE WALLED DIESEL AST (500-GAL)
S PORT-A-POTTY
ERW
AJT
1/13/25
1/13/25
SECONDARY CONTAINMENT
GATE
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
GATE
O
OH
OH
OH
OH
3456
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
VISITOR PARKING OPTIONS
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-09
REV REVISION DESCRIPTION BY CHK APP C-09
21
LAKE ELMO WATER MAIN (12" DIA, DIP)
15' OFFSET FROM LAKE ELMO WATER MAIN
TEMPORARY FENCE LINE
LEGEND
SECONDARY CONTAINMENT
SITE LIMITS
GENERAL NOTES:
1. BAY WEST WILL USE HIGH VISIBILITY CONES TO DEMARCATE VISITOR PARKING AREAS
2. GRAVEL ROAD, FIRE HYDRANT, AND SITE LIMIT LOCATIONS GATHERED WITH A EOS
ARROW GOLD GPS UNIT
3. LAKE ELMO WATER MAIN LOCATION OBTAINED FROM A DRAWING PROVIDED BY THE
CITY OF LAKE ELMO PUBLIC WORKS DEPARTMENT
4. SITE LIMITS DEFINED BY A CORNFIELD TO THE NORTH AND A SOIL STORAGE AREA TO
THE EAST
5. THE BASEMAP IMAGERY OF THE SITE DOES NOT INCLUDE A GRAVEL ROAD INSTALLED
BY THE CITY OF LAKE ELMO
IMAGE SOURCE: MICROSOFT BING, 2024 MICROSOFT CORPORATION, 2024 MAXAR, CNES
(2024) DISTRIBUTION AIRBUS DS
36
T
H
S
T
R
E
E
T
N
O
R
T
H
1/13/25
1/13/2025
ID
E
A
L
A
V
E
N
U
E
N
O
R
T
H
VISITOR PARKING
AREA #1
BAY WEST,GENERAL ATOMICS,
AND CONTRACTOR PARKING
LAKE ELMO PUBLIC WORKS
BUILDING
GRAVEL ROADID
E
A
L
A
V
E
N
U
E
N
O
R
T
H
030'15'
SCALE BAR 1:30
040'20'
SCALE BAR 1:40
0 262'131'
SCALE BAR 1:262
OH EXISTING OVERHEAD ELECTRIC LINE
SITE GRAVEL PAD
EXISTING POWER POLE
ERW
PBD
1/13/25
1/13/25
VISITOR PARKING
AREA #3
VI
S
I
T
O
R
P
A
R
K
I
N
G
A
R
E
A
#
2
36
T
H
S
T
R
E
E
T
N
O
R
T
H
1 2 3 4 5 6
A
B
C
D
ERDC PFAS DESTRUCTION RESEARCH
PHASE II
3445 IDEAL AVE N, LAKE ELMO, MN
SITE RESTORATION
DESIGN
JRC
JRC DATE
DRAWN BY
CHECKED BY
APPROVED BY
DATE SHEET
DWG NO.
DATE
PROJ. NO.J230044
ERDC C-10
REV REVISION DESCRIPTION BY CHK APP C-10
WATER FEED LINE (ABOVE GRADE)
15' OFFSET FROM LAKE ELMO WATER MAIN
TEMPORARY FENCE LINE
W
LEGEND
IM
A
G
E
S
O
U
R
C
E
:
M
I
C
R
O
S
O
F
T
B
I
N
G
,
2
0
2
4
M
I
C
R
O
S
O
F
T
C
O
R
P
O
R
A
T
I
O
N
,
2
0
2
4
M
A
X
A
R
,
C
N
E
S
(
2
0
2
4
)
D
I
S
T
R
I
B
U
T
I
O
N
A
I
R
B
U
S
D
S
1/28/2025
1/28/25
PRE-SITE RESTORATION POST-SITE RESTORATION
REMOVE ISCWO SHELTER CONCRETE FOUNDATION
BACKFILL WITH CLASS V AS DESCRIBED IN DRAWING C-03
ADDITIONAL SITE RESTORATION TASKS:
1.REMOVE EQUIPMENT & MATERIALS AS SHOWN IN DRAWING C-01
2.REMOVE LEFTOVER FEED MATERIAL, DIESEL, DEF, NAOH, AND ISCWO LIQUID EFFLUENT, FOR OFFSITE DISPOSAL
3.REMOVE TEMPORARY POWER INFRASTRUCTURE, IF NEEDED
4.REMOVE SILT FENCING, IF NEEDED
5.DISCONNECT FROM LAKE ELMO FIRE HYDRANT AND RESTORE TO ORIGINAL CONDITION
6.REMOVE TEMPORARY FENCE AND GATES
7.RESTORE GRASSY VISITOR PARKING AREAS ALONG 36TH STREET NORTH TO PRE-WORK CONDITIONS WITH HYDROSEED,
IF NEEDED
GRAVEL ROAD
IM
A
G
E
S
O
U
R
C
E
:
M
I
C
R
O
S
O
F
T
B
I
N
G
,
2
0
2
4
M
I
C
R
O
S
O
F
T
C
O
R
P
O
R
A
T
I
O
N
,
2
0
2
4
M
A
X
A
R
,
C
N
E
S
(
2
0
2
4
)
D
I
S
T
R
I
B
U
T
I
O
N
A
I
R
B
U
S
D
S
PROPOSED TEMPORARY OVERHEAD
ELECTRIC LINE (IF NEEDED)
PROPOSED TEMPORARY POWER POLE
(IF NEEDED)
SITE GRAVEL PAD
ISCWO SHELTER CONCRETE FOUNDATION
0 15'7.5'
SCALE BAR 1:15
GRAVEL ROAD
58'
98'
98'
58'
ERW
PBD
1/28/25
1/28/25
City of Lake Elmo
Site Access Request
3445 Ideal Avenue
Bay West
General Atomics
US Army ERDC
February 4, 2025
Area at 3445
Ideal Avenue
Our Request
2
Purpose: Field testing of PFAS materials destruction using iSCWO
Technology
Why the 3445 Ideal Ave location?
Community & State concerns with PFAS; testing to demonstrate
system’s destruction at field scale
Request Overview
•Temporary use of < 6000 sq ft area, located north of Public Works HQ
•Costs to City: None, the project is Gov’t funded research
•Terms: Bay West and City “Temporary Easement & Access
Agreement” defines Bay West and City roles & responsibilities
Safety
3
•Bay West manages all projects with H&S Plan, AHA reviews, and in-depth training of all employees
•General Atomics’ system developed and sold for over 30 years that meets highest standards – excellent safety record
•Onsite: safety fence and signage, Bay West escort for all visitors
•City access: BW will coordinate with and ensure City’s PWD access throughout testing
Requested areas for
visitor parking
Fenced area
iSCWO shelter – concrete
foundations in gravel pad,
rated to meet windspeeds
of 115 mph
Noise
4
•Noise measurements by
General Atomics
•All structures are outside 40
dBA perimeter.
•Hearing protection required
during onsite operations
•Edge of closest neighborhood
(road) is 1,000 feet to the
west
Materials Storage & Removal
5
•All site activities coordinated and defined
by test plans and procedures
•All materials are shipped and stored in
material-specific, approved containers
•Secondary containment throughout
•Aboveground permit for temporary diesel
fuel tank, other permits listed in
“Temporary Easement & Access
Agreement”
Prevention/Mitigation of Potential Spills– first, manage transport and
temporary storage to avoid spills. In the case of a spill, Bay West is a Great
Lakes Region recognized expert in spill containment and cleanup. Bay West is
responsible for cleanup and site restoration to existing site conditions.
Site Restoration: by City request, leave gravel pad
6Now: Google imagery 2025
After test completion: Remove
equipment, containers, fence.
Leave gravel pad in place.
More on Safety and Quality, Our Top Priorities
7
Safety
GA iSCWO system has been extensively tested and approved by ASME pressure vessel codes
HAZOP (Hazardous Operations) reviews met every review; safety studies; pressure calculations
40-hour OSHA HAZWOPER and GA system operations training
PFAS sampling and waste handling follow Bay West Site Health & Safety Plan requirements and
procedures
Operations for over 30 years without incident
Examples of Quality Controls
General Atomics’ SCWO unit meets ISO-9001
requirements
Analytical sample results reviewed and validated
Considerations
8
Technology? Materials are destroyed using supercritical water
oxidation (SCWO) which breaks C-F bonds at high temp and pressure in
water to produce CO2, water, inorganic salts
Volume destroyed? about 300-500 gallons of PFAS materials
How long onsite? 4-5 weeks, including system check, equipment
staging, testing, and site restoration
•Typical day: 1 hour warm up, 5-6 hrs testing, 1 hour shutdown
Considerations cont’d
9
How is water managed?
•Similar to the Tablyn Park SAFF® study
•Onsite, temporary storage using tanks in secondary containment
•Test, analysis and then determine best disposal options
Noise management? 40 dBA at the middle of Ideal Avenue ~ sound of refrigerator engine hum
Public outreach?
•Tours will be made available 1x/week to the public at a safe distance
•Possible visits by DoD, MPCA, industry, Congressional staff and other Government agencies
•Test results will be made public through conference presentations and research papers
City and State Benefits
10
•Proactive demonstration of PFAS
destruction as an option now
•Tablyn Park, advance from removing PFAS
from water to PFAS destruction. Removes
potential future contamination.
•Field deployment of iSCWO aligns with
regional PFAS remediation targets
•Supports City’s leadership and outreach
about PFAS programs
•Supports US test programs to identify best
method to destroy PFAS waste