3.7 West WWTF Improvements Phase 1 Project Change Orders 14 and 16
Request for
City Council Action
DEPARTMENT INFORMATION
ORIGINATING DEPARTMENT REQUESTOR: MEETING DATE:
Utilities Utility Manager Neidermeier June 26, 2023
PRESENTER(s) REVIEWED BY: ITEM #:
Consent City Administrator/Finance Director Flaherty
AE2S Engineer Schaefer
3.7 – West WWTF Change
Orders
STRATEGIC VISION
MEETS: THE CITY OF OTSEGO:
Is a strong organization that is committed to leading the community through innovative
communication.
X Has proactively expanded infrastructure to responsibly provide core services.
Is committed to delivery of quality emergency service responsive to community needs and
expectations in a cost-effective manner.
Is a social community with diverse housing, service options, and employment opportunities.
Is a distinctive, connected community known for its beauty and natural surroundings.
AGENDA ITEM DETAILS
RECOMMENDATION:
City Staff is recommending that the City Council approve two change orders for the West WWTF project.
ARE YOU SEEKING APPROVAL OF A CONTRACT? IS A PUBLIC HEARING REQUIRED?
No No
BACKGROUND/JUSTIFICATION:
Change Order 014: The existing drinking water Well #5 is powered through the “LS3” electrical feeder at
the West WWTF to be able to use a common emergency generator for both the West WWTF and Well #5.
This proposed electrical upgrade is on the West WWTF site, but the intent is to provide more power
capacity to allow a capacity expansion of Well #5 to maximize the City’s use of Mount Simon aquifer
appropriations. The costs were reviewed by the project design team and found to be reasonable.
Conducting this work as part of the West WWTF also has cost advantages, and doing this work separately
outside of the project was estimated to add $30k to $50k to the cost above this change order proposal.
Change Order 016: The equipment for the project is competitively bid on in accordance with the state’s
public project procurement process. One aspect of this is that different vendors can have different
horsepower requirements, and the motor control centers (MCCs) often need to be adjusted to align with
the winning equipment bids. For this project, MCC modifications resulted in a cost increase to make the
necessary changes. The costs were reviewed by the project design team and found to be reasonable.
Both change order proposals were reviewed with the Public Works Subcommittee on June 21 and were
recommended to forward for consideration by the City Council.
SUPPORTING DOCUMENTS ATTACHED:
• Change Order Proposal 014 – LS3 Feeder Upgrade
• Change Order Proposal 016 – MCC Changes
POSSIBLE MOTION
PLEASE WORD MOTION AS YOU WOULD LIKE IT TO APPEAR IN THE MINUTES:
Motion to approve Change Order Proposal 014 for the upgrade of the LS3 electrical feeder in the amount
of $50,235.00 and Change Order Proposal 016 for MCC changes in the amount of $44,346.00 to Rice Lake
Construction Group.
BUDGET INFORMATION
FUNDING: BUDGETED:
Fund 602 – Sanitary Sewer Utility
Yes
June 12, 2023
AE2S
6901 East Fish Lake Rd.
Suite 184
Maple Grove, MN 55369-5457
Re: Otsego West WWTF Improvements Phase 1
RLCG Project No. 2215
Change Order Proposal #: 014 – LS 3 Feeder Upgrade REV1
Scott,
As discussed in the progress meeting on 6/1/2023, the ampacity of the feeders for LS3 will be
increased from 400 amps to 600 amps. The total cost for this change is $50,235.00. Please see
attached for the breakout of costs.
Please let me know if you have any questions.
Sincerely,
RICE LAKE CONSTRUCTION GROUP
Matt Perpich
Project Manager
2215
Otsego West WWTP
22360 County Road 12, PO Box 517 6/12/2023
Deerwood, MN 56444 014REV1
HOURS $ RATE TOTAL RATE TOTAL
Killmer Electric 1.00 LS -$ $0.00 -$ $0.00 36,135.56$ -$ $36,135.56
Bituminous Roadways 1.00 LS -$ $0.00 -$ $0.00 11,000.00$ -$ $11,000.00
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
Misc. Small Tools and Mat'l 5% of Labor 1.00 ea 5.00%-$
Sales Tax 1.00 ea -$
Totals -$ -$ -$ 47,135.56$ -$ 47,135.56$
Rice Lake Mark-up on Subs (5%)2,356.78$
Rice Lake Mark-up on Labor, Material, and Equipment (15%)-$
Bond Cost (1.5%)742.39$
Total Change Order Proposal Request 50,235$
MATERIAL SUBCONTRACTOR TOTAL EQUIPMENT
TOTAL LINE TOTALDESCRIPTIONQTYUNITLABOR
RLCG PROJECT #:
PROJECT NAME:
DATE:
COP:
CHANGE ORDER PROPOSAL
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G G GGGTTTTTTTT7490953.60SIREN7731953.47GV?TSDSDSD●●●File: C:\Users\pmanfredini\ACCDocs\AE2S\05409-2017-004 Otsego West WWTF Phase 1 Improvements\Project Files\06-Electrical\Autocad\Plan Sheets\E - SW - Overall Site Plan.dwgLast Saved: By: Peter Manfredini Date: Wednesday, April 20, 2022 10:36:26 AMPlotted: By: Peter Manfredini Date: Wednesday, April 20, 2022 Layout: SITE002
PROJECT NUMBERCHECKED / APPROVEDDATEDRAWING TYPEPREPARED BYDRAWING/FACILITYSYM DATE DESCRIPTION APPRAdvanced Engineering and Environmental Services, LLC l Water Tower Pl Business Ctr 6901 E Fish Lake Rd Ste 184 Maple Grove, MN 55369 l (t) 763-463-5036 l www.ae2s.comOTSEGO WEST WWTF PHASE 1 IMPROVEMENTS
CITY OF OTSEGO
OTSEGO, MN
OVERALL SITE PLANCONST.PGMDLHAMWAPRIL 202205409-2017-004SWE002NHROT1E002OVERALL SITE PLAN50'050'100'GENERAL NOTES1.SEE SHEET GEN/E001 FOR GENERAL NOTES.2.ALL MAJOR METAL SURFACES SHALL BE BONDEDTOGETHER WITH #4/0 BARE STRANDED COPPERAND APPROVED FITTINGS. SPECIFICALLY,STRUCTURAL REBAR IN EACH FOUNDATIONWALL, ALL MAIN ELECTRICAL SERVICES,LIGHTNING PROTECTION, STEEL PROCESSPIPING, METAL DUCT WORK, METAL WATERPIPING, METAL STAIRWAYS, METAL RAILINGS,CONTROL PANELS FOR VARIOUS SYSTEMS,PUMP/BLOWER SKIDS, ETC. MANY OF THE INNERBUILDING COMPONENTS ARE CONSIDEREDBONDED THROUGH THEIR EQUIPMENTGROUNDING CONDUCTORS PER NEC.CONSTRUCTION NOTES5/8"x10' COPPER CLAD STEEL GROUND ROD WITHTOP MOUNTED AT MINIMUM OF 18" BELOWFINISHED GRADE. GROUND CONDUCTOR SHALLBE ATTACHED TO GROUND ROD PER IEEE 837TYPE COMPRESSION CONNECTION, RATED FORDIRECT BURIAL (DB).#4/0 BARE STRANDED COPPER GROUNDCONDUCTOR. BURIED AT 30'' BELOW GRADE.#4/0 BARE STRANDED COPPER GROUNDCONDUCTOR BONDED TO LIGHTNINGPROTECTION SYSTEM. SEE LIGHTINGPROTECTION PLANS FOR ADDITIONALREQUIREMENTS.#4/0 BARE STRANDED COPPER GROUNDCONDUCTOR BONDED TO STRUCTURAL REBAR INEACH FOUNDATION WALL. UNDERGROUNDPORTION BURIED AT 18" BELOW GRADE. ABOVEGRADE INSTALLED IN PVC CONDUIT, HIDDEN INWALL WHERE POSSIBLE.ACCESS GATE PEDESTAL PROVIDED BYELECTRICAL CONTRACTOR ON CONCRETE PAD.SEE ACCESS GATE PEDESTAL DETAILS FORADDITIONAL INFORMATION.PROVIDE A GROUND TEST WELL AS SHOWN INTHE 'SD' DRAWINGSGENERATOR CONCRETE PAD BY GENERALCONTRACTOR. SEE STRUCTURAL DRAWINGSFOR DETAILS. ELECTRICAL CONTRACTOR TOCOORDINATE OPENING BOX OUT LOCATION FORCONDUITSDIESEL DRIVEN GENERATOR FURNISHED ANDINSTALLED BY GENERAL CONTRACTOR ANDCIRCUITED BY ELECTRICAL CONTRACTORMANHOLE (26 05 45) FURNISHED AND INSTALLEDBY ELECTRICAL CONTRACTOR.VEHICLE GROUND DETECTION LOOP, SEERESPECTIVE BUILDING SYSTEMS PLAN AND FORCIRCUITING/ADDITIONAL NOTES.REPLACE EXISTING HID WALL PACK WITH NEWTYPE G1 LED WALL PACK AS INDICATED. ENSURENEW WALL PACK ADEQUATELY COVERS WALLSURFACE AREA PREVIOUSLY COVERED BYEXISTING FIXTURE SO NO TOUCH-UP PAINT ORREFINISHING IS REQUIRED. FIELD VERIFYEXISTING VOLTAGE AND ORDER CORRECTFIXTURES ACCORDINGLY. COORDINATE WITHFIELD ENGINEER PRIOR TO INSTALLATION.OIL FILLED, PAD-MOUNTED TRANSFORMER BYWRIGHT-HENNEPIN COOPERATIVE ELECTRICALASSOCIATION. CT CABINET PROVIDED ANDINSTALLED BY ELECTRICAL CONTRACTOR.VISUAL SURVEILLANCE SYSTEM DEVICE, SEERESPECTIVE BUILDING SYSTEMS PLAN, CABLEAND CONDUIT SCHEDULE AND NETWORKDIAGRAM FOR CIRCUITING/ADDITIONAL NOTES.PROVIDE POLE MOUNTED FIXTURE, POLE ANDBASE. SEE FIXTURE SCHEDULE AND STANDARDDETAILS FOR ADDITIONAL INFORMATION.REFEED EXISTING LIFT STATION PRIOR TOCONSTRUCTION OF FSB BUILDING. ANYDOWNTIME SHALL BE COORDINATED WITH THEENGINEER, CITY AND GENERAL CONTRACTOR ATLEAST 2 WEEKS IN ADVANCE. DOWNTIME SHALLNOT EXCEED 8 HOURS, IF MORE TIME ISREQUIRED PROVIDE A TEMPORARY POWERSOURCE TO KEEP THE LIFT STATIONOPERATIONAL. SEE "LS3" IN CABLE ANDCONDUIT SCHEDULE AS WELL AS THE EXISTINGONE LINE DIAGRAMS IN THE 'CB' DRAWINGS FORCIRCUITING REQUIREMENTS.PROVIDE FEEDERS FOR NEW ADMIN BUILDING.CONDUIT SHALL BE DIRECT BURIED BETWEENADM-SWBD1 AND MH-1, THEN ROUTED THROUGHTHE CONCRETE ENCASED DUCT BANK FROMMH-1 TO MTB-SWBD1. SEE CABLE AND CONDUITSCHEDULES FOR ADDITIONAL INFORMATION.PROVIDE SITE FIBER LOOP. WHERE NOT RUN INDUCT BANK FIBER MAY BE INSTALLED IN HDPECONDUIT. PROVIDE QUAZITE HANDHOLES ASREQUIRED. SEE CABLE AND CONDUITSCHEDULES AND NETWORK DIAGRAM FORADDITIONAL DETAILS.ELECTRICAL CONTRACTOR PROVIDEDIN-GROUND FIBERGLASS HANDHOLE. SEEDETAILS FOR ADDITIONAL INFORMATION.ELECTRICAL CONTRACTOR PROVIDED AREAPOLE LIGHTING CIRCUITING CONSISTING OF2-1/C-#4 XHHW + 1-1/C-#6 GROUND XHHW IN 1 1/4"SCHEDULE 80 PVC TO LIGHTING CONTACTOR INMTB ELECTRICAL ROOM. SEE RESPECTIVEWIRING SCHEMATICS FOR ADDITIONALREQUIREMENTS. TYPICAL FOR ALL EXTERIORSITE LIGHTING.PROVIDE FIRE ALARM FIBER LOOP. WHERE NOTRUN IN DUCT BANK FIBER MAY BE INSTALLED INHDPE CONDUIT. PROVIDE QUAZITE HANDHOLESAS REQUIRED. SEE CABLE AND CONDUITSCHEDULES, THE NETWORK DIAGRAM AND THEFIRE ALARM SCHEMATICS FOR ADDITIONALDETAILS.ELECTRICAL CONTRACTOR TO PROVIDECONCRETE ENCASED DUCT BANK. SEE DUCTBANK LAYOUT PLAN, DUCT BANK DETAILS ANDCABLE AND CONDUIT SCHEDULES FORADDITIONAL REQUIREMENTS.PROVIDE GATE OPERATOR CONTROL PANEL.FIELD VERIFY EXACT LOCATION FORINSTALLATION PRIOR TO ROUGH-IN. SEE GATEOPERATOR CONTROL PANEL DETAIL FORADDITIONAL REQUIREMENTS.GATE OPERATOR FURNISHED AND INSTALLED BYGENERAL CONTRACTOR, CIRCUITED BYELECTRICAL CONTRACTOR.RADAR LEVEL TRANSDUCER (40 72 00)FURNISHED BY THE CONTROL SYSTEMMANUFACTURER AND INSTALLED BY THEELECTRICAL CONTRACTOR. MOUNT RADARLEVEL TRANSDUCER AS PER THE 'RADAR LEVELTRANSDUCER UNDER GRATING MOUNTINGDETAIL' FOUND WITHIN THE 'SD' SHEETS.CONFIRM EXACT MOUNTING LOCATION WITHOWNER / ENGINEER.PROVIDE POWER AND FIBER CONDUIT TOSW-AGP. SEE CABLE AND CONDUIT SCHEDULEFOR ADDITIONAL REQUIREMENTS.CELECTRICAL CONTRACTOR TO RUN 2-2/C-#16 W/SHIELD (TYPE S1 CABLE) IN 1" SCH. 80 PVC FROMTHE NEW RADAR LEVEL TRANSDUCERS BACK TOSCP3 LOCATED IN THE SLUDGE THICKENINGBUILDING (STB)1234567891011121314151617181920212223242526STBAD1-2AD3-4SSTPTBFC2FC1CBFC1OD1OD2MTBBBFSBADMADM-VSS-824(TYP.)UVSBTFSB-VSS-2FSB-VSS-11(TYP.)(TYP.)3(TYP.)666610LS3Z114Z2Z2Z2Z2Z214Z1Z1Z1Z1Z1Z1Z1Z1Z1Z1Z1Z1Z2Z2Z2G1G11111G111G111G111141414141414141414141414141414141420151517LEGENDDUCT BANKFIBER LOOPLS3 POWER17HH-1189MH-178MTB-GEN117171718HH-31718HH-214141313131919HH-718LS3-SCP117HH-61821HH-5181221216219MH-2202018HH-1018HH-918HH-86165102322SW-AGPSHEET RE-ISSUED BYADDENDUM 31 ADDENDUM No. 3 AMW04-21-22124AD3-LIT124AD4-LIT112511261I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS
PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM
A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF
THE STATE OF MINNESOTA.
SIGNATURE:
TYPED NAME: ADAM WAHLER
MARCH 28 , 2022 REG. NO. 50599
Page 95CONFORMED
An Equal Opportunity Employer
May 1, 2023
Mr. Matt Perpich
Rice Lake Construction Group
Re: Otsego West WWTP
Dear Matt,
Killmer Electric Company proposes to the following change to our contract for the
subject project:
Change Request – LS Feeder Increase
Cost proposal below is provided as requested to update the Feeder for LS3 we were
already relocating from 400amp to 600amp.
LS 3 Feeder Upgrade
QTY
Mat
unit Mat total Labor unit Total labor
3" PVC Sch 80 580 8.8 $5,104.00 0.11 63.8
3" Rigid 35 17.98 $629.30 0.16 5.6
Penetrate LS3/Control Building 2 45 $90.00 3 6
500MCM
-
1800 11.8
-
$21,240.00 0.028 -50.4
3awg xhhw -600 1.59 -$954.00 0.012 -7.2
350mcm xhhw 3600 8.4 $30,240.00 0.026 93.6
1awg XHHW 1200 2.2 $2,640.00 0.013 15.6
Totals $16,509.30 127
Tax $1,196.92
108 /
hour $13,716.00
$17,706.22 $13,716.00 $31,422.22
15.00% $4,713.33
$36,135.56
Total Cost Add: $36,135.56
Please call with any questions or comments.
Regards,
Matthew Pettit
Project Manager
June 6, 2023
AE2S
6901 East Fish Lake Rd.
Suite 184
Maple Grove, MN 55369-5457
ATTN: Scott Schaefer, PE
Re: Otsego West WWTF Improvements Phase 1
RLCG Project No. 2215
Change Order Proposal #: 016 – MCC Changes REV1
Scott,
During the review process for the MCCs, HP changes were made. The total cost to make the HP
changes as noted is $44,346.00. Attached is a breakout of the costs.
Please note that IPS requested a 90-day time extension with their proposal. Instead of including
a time extension with this proposal, Rice Lake would prefer to request the time extension at a
later date after the MCC submittal has been approved and we have received ship dates from
the factory.
Please let me know if you have any questions.
Sincerely,
Rice Lake Construction Group
Matt Perpich
Project Manager
2215
Otsego West WWTF Improvements Phasae 1
22360 County Road 12, PO Box 517 6/21/2023
Deerwood, MN 56444 16REV1
HOURS $ RATE TOTAL RATE TOTAL
RLCG Labor HR 0.00 99.00$ $0.00 -$ $0.00 -$ -$ -$
RLCG Material LS -$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
Killmer Electric 1.00 LS 99.00$ $0.00 -$ $0.00 41,609.70$ -$ $41,609.70
99.00$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
-$ $0.00 -$ $0.00 -$ -$ -$
Misc. Small Tools and Mat'l 5% of Labor 1.00 ea 5.00%-$
Sales Tax 1.00 ea 7.375%-$
Totals -$ -$ -$ 41,609.70$ -$ 41,609.70$
Rice Lake Mark-up on Subs (5%)2,080.49$
Rice Lake Mark-up on Labor, Material, and Equipment (15%)-$
Bond Cost (1.5%)655.35$
Total Change Order Proposal Request 44,346.00$
Days Requested TBD
RLCG PROJECT #:
PROJECT NAME:
DATE:
COP:
CHANGE ORDER PROPOSAL
MATERIAL SUBCONTRACTOR
TOTAL
EQUIPMENT
TOTAL LINE TOTALDESCRIPTIONQTYUNITLABOR
An Equal Opportunity Employer
June 21, 2023
Mr. Matt Perpich
Rice Lake Construction Group
Re: Otsego West WWTP
Dear Matt,
Killmer Electric Company proposes to the following change to our contract for the
subject project:
Change Request – MCC Review Comments Motor Changes
Cost proposal below is to update MCC for motor size changes. Also includes costs to
update Cable sizes as needed. Only the FSB-OCU1 increase from 25-30 needed larger
wire and MTB-EWP3 from 20-40HP.
MCC Submittal Review Motor Size Increases
QTY Mat unit Mat total Labor unit Total labor
10 awg VFD Cable -260 3.91 -$1,016.60 0.012 -3.12
6awg VFD Cable 80 8.25 $660.00 0.02 1.6
8awg VFD Cable 180 6.77 $1,218.60 0.014 2.52
MCC Cost Adder 1 35146.99 $35,146.99 0
Totals $36,008.99 1
Tax $63.36 110 / hour $110.00
$36,072.35 $110.00 $36,182.35
15.00% $5,427.35
$41,609.70
Total Cost Add: $41,609.70
Please call with any questions or comments.
Regards,
Matthew Pettit
Project Manager
OWNER:
PROJECT:
ENGINEER:
CONTRACTOR:
Type No.Description Qty Unit Unit Cost Total
LABOR CO-R0020 Labor - Project Management 20 Hour 175.00$ 3,500.00$
LABOR CO-R0030 Labor - Engineering 8 Hour 150.00$ 1,200.00$
LABOR CO-R0040 Labor - Programming Hour 150.00$ -$
LABOR CO-R0060 Labor - AutoCAD 8 Hour 105.00$ 840.00$
LABOR CO-R0080 Labor - Field Serv StartUp Engineer Hour 150.00$ -$
LABOR CO-R0080 Labor - Field Serv StartUp Tech Hour 125.00$ -$
LABOR CO-R0160 Labor - Fabrication / Production / Shop Labor Hour 85.00$ -$
LABOR CO-R0090 Labor - Electrical Labor Hour 95.00$ -$
LABOR CO-R0100 Labor - Media 1 Hour 60.00$ 60.00$
LABOR CO-R0940 Labor - Materials Procurement 1 Hour 85.00$ 85.00$
LABOR CO-R0940 Labor - Material Packaging & Handling for Shipping Hour 85.00$ -$
TOTAL LABOR 5,685.00$
MISC Mileage Mile 0.65$ -$
MISC Hotel and Per Diem (Based on 8 Hour Day)Day 220.00$ -$
MISC Shipping LS -$ -$
MISC Vehicle Rental LS -$ -$
TOTAL TRAVEL -$
LABOR CO-R1000 Labor - Subcontractor LS -$ -$
LABOR CO-R1000 Material - Subcontractor LS -$ -$
MARKUP 10%Subcontractor 10% Markup -$
TOTAL SUBCONTRACTOR -$
ITEM CO-T001 Revise 5hp VFD for make-up air unit No. 1 to 7.5hp 1 Each 605.39$ 605.39$
ITEM CO-T002 Revise 25hp VFD for Odor Control Unit No. 1 to 30hp 1 Each 2,577.87$ 2,577.87$
ITEM CO-T003 Add (1) 1.5HP FVNR for Fine Screen Booster Water Spray Booster
Pump
1 Each 9,428.61$ 9,428.61$
ITEM CO-T004 Change MTB-EWP3-VFD1 from 20hp to 40hp 1 Each 10,811.47$ 10,811.47$
ITEM CO-T005 Change breaker from MTB-UV-CP1 from 60A/3P to 30A/3P 1 Each 357.14$ 357.14$
ITEM CO-T006 Change breaker from MTB-UV-CP2 from 60A/3P to 30A/3P 1 Each 357.14$ 357.14$
ITEM CO-T007 Change MTB-EWP2-VFD1 from 10hp to 15hp 1 Each 1,029.17$ 1,029.17$
ITEM CO-T008 Change MTB-MAU2-VFD1 & MTB-MAU3-VFD1 from 2hp to 3hp 1 Each 452.33$ 452.33$
ITEM Each -$
ITEM Each -$
ITEM Each -$
ITEM Each -$
ITEM Each -$
ITEM Each -$
ITEM Each -$
ITEM SALES OR USE TAX Sales Tax to be Listed on this Line Use tax in Pricing Above 0.0735 25,619.12$ 1,883.01$
25,619.12$
MARKUP 15%Material 15% Markup 3,842.87$
TOTAL MATERIAL 29,461.99$
5,685.00$
-$
-$
29,461.99$
35,146.99$
Estimated Change in Contract Price:
Increase 35,146.99$ Increase 90 Days
Decrease Decrease Days
Integrated Process Solutions, Inc. is pleased to provide the following change order based on the Submittal return for MCC (26 24 19) IPS Project No. 2183,
AE2S Project No. P05409-2017-004. The review form is attached. The below items are changes from the original contract documents with associated costs.
REV B removed the credit for not removing the Scum Pump VFD on BB-MCC1.
Estimate Change in Contract Times:
Labor from Above
Total
Subcontractor from Above
Material from Above
Material Subtotal
Travel from Above
Otsego West WWTF Improvements Phase 1
Kilmer Electric
Nero Engineering and AE2S
City of Otsego
Change Order
IPS Job #J002183
CO #3 REV B
6/19/2023