HomeMy WebLinkAboutStormwater Management Facility Maintenance Agreement Winnebago County n
8790011
Tx:4591899
CITY OF OSHKOSH DOC# 1875590
STORMWATER MANAGEMENT FACILITY NATALIE STROH MEYER
MAINTENANCE AGREEMENT REGISTER OF DEEDS
Document Number Document Title WINNEBAGO COUNTY, WI
RECORDED ON:
02/14/2022 10:38 AM
RECORDING FEE: 30.00
The City of Oshkosh,the Governing Body,and Winnebago County,the Property owner, PAGES: 19
along with their successors and assigns,are the parties to this Agreement. The purpose of
this Agreement is to ensure adequate storm water drainage facilities for the Property RECEIVED
described in this Agreement in connection with the surrounding public storm water
facilities. The consideration for this Agreement includes the City's approval of proposed FEB 21 2022
development on the Property. Additional consideration includes the Property owner's
clearer understanding of storm water drainage obligations for the Property,and the
Governing Body's assurance that the storm water drainage issues relating to the property CITY CLERK'S OFFICE
can be more easily achieved through this Agreement. Recording Area
CURRENT PROPERTY OWNERS SUBJECT TO THIS AGREEMENT: Name & Return Address:
Oshkosh City Attorney's Office
Sax W WI
Winnebago County
c/o Director,Wittman Regional Airport Oshkosh, 54903-1130 C,h C {1(,�
525 W 20th Ave Tax Parcel Numbers: J
Oshkosh,WI 54902 91413530000
GOVERNING BODY: City of Oshkosh
PROPERTY SUBJECT TO THIS AGREEMENT
The Property subject to this Agreement is part of the larger Wittman Regional Airport property. The particular section of the larger
airport property is located in the City of Oshkosh,Winnebago County,and is more particularly described as follows:
Part of the Northwest quarter(NW i%)of the Northeast quarter(NE%),and part of the Northeast quarter(%)of the Northwest quarter
(NE'A),of Section 35 of Township 18 North or Range 16 East,in the 14th Ward,City of Oshkosh,Winnebago County, Wisconsin.
The Property subject to this Agreement that is within the larger airport parcel is described as follows and identified as the"Area of
Work"in Exhibit A,attached:
Commencing at the Northwest corner of the Northeast quarter(NE(1/4)of said Section 35,thence East 852.00 feet
along the North line of the Northeast quarter(NE'A)to a point;thence South in a line perpendicular to the North
line of said Northeast quarter(NE %)a distance of 755.00 feet to a point;thence West along a line parallel to the
North line of the Northeast quarter(NE%)of Section 35 a distance of 852.00 feet to a point on the West line of
the Northwest quarter(NW' )of the Northeast quarter(NE' )of Section 35;thence continuing West in the same
parallel line a distance of 11.00 feet to a point in the Northeast quarter(NE%)of the Northwest quarter(NW'/4)
of Section 35;thence North in a line perpendicular to the North line of the Northwest quarter(NW'A)of Section 35
a distance of 755.00 feet to a point on the North line of the Northwest quarter(NW'/4)of Section 35;thence East
along said North line a distance of 11.00 feet to the point of beginning at the Northwest corner of the Northeast
quarter of Section 35;excluding from the foregoing description all public right-of-way for West 20'h Avenue.
GRADING AND DRAINAGE PLAN
The Property must always comply with the grading and drainage plan approved by the City. The approved grading and drainage plan
may be amended or modified from time to time after consultation with the Property owner, Compliance will be evaluated according to
the most current approved plan. A small scale version of the current grading and drainage plan is attached as Exhibit B for
identification and reference purposes. The full scale grading and drainage plan is on file for review with the City Department of Public
Works,and will be used to provide grading and drainage criteria and to govern compliance and any disputes.
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June 8, 2021
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CITY OF OSHKOSH
STORMWATER MANAGEMENT FACILITY
MAINTENANCE AGREEMENT
Document Number Document Title
TAXIWAY"B" RECONSTRUCTION
Adjacent to the Property Subject to this Agreement is another recent airport project which involved the reconstruction of Taxiway B.
While the Taxiway B project did not include a City of Oshkosh Storm water Operation and Maintenance Agreement,Winnebago
County did provide the City with an Operation and Maintenance Plan for the Taxiway B site that was developed by its consultant. The
proximity of the current project subject to this Agreement caused the City to consider the grading and drainage of the adjacent Taxiway
B reconstruction project when evaluating the current project. Due to the relationship between these two projects,a required material
term of this current Agreement is the County's continued compliance with it's the Operation and Maintenance Plan for Taxiway B
reconstruction developed by the County's consultant. Failure to comply with the Taxiway B Operation and Maintenance Plan may be
considered a breach of this current Agreement. A location map for the current project,identified as"Area of Work,"and the adjacent
Taxiway B reconstruction area,identified as"Extents of Existing Storm Water BMPS,"is attached as Exhibit A. A copy of the
Taxiway B Operation and Maintenance Plan is attached as Exhibit C.
PURPOSE
The three(3)primary purposes of this Agreement:
1)Notify the Property owner,as well as anyone interested in or connected to the Property that the Property is subject to this Agreement
and Chapter 14 of the Oshkosh Municipal Code,as amended,and that any owner of the Property assumes these obligations;and,
2)Identify specific storm water facilities that currently exist on the Property,or may be constructed or installed in the future;and,
3)Describe the minimum responsibilities for maintaining the Property's approved storm water management facilities and grading and
drainage plan.
RESTRICTIONS
The Property must always conform to its most current grading and drainage plan approved by the City. The Property is also subject to
all aspects of the Municipal Code,including storm water management requirements,as may be amended,which are currently located in
Chapter 14 of the Municipal Code. The storm water management requirements of the Municipal Code change from time to time,with
the Property owner receiving public notice as required by law. Both parties agree to make good faith efforts to mutually address and
resolve changing circumstances and/or changing requirements.Changes may be made to the grading and drainage plan for the Property
if requested by the Property owner and after review of any changed circumstances on the Property. The approved grading and drainage
plan for the Property will be on file in the City of Oshkosh Department of Public Works and is fully incorporated by reference in this
Agreement.
RESPONSIBLE PARTIES
Each owner of the Property,jointly and severally, as well as their heirs,successors,and assigns,is responsible for maintaining the
Property in the manner described in this Agreement. The Property owner's responsibilities include maintaining approved vegetation,
grading,drainage,and storm water facilities on the Property.
STORM WATER FACILITIES
The Property's storm water facilities consist of:
1. Filter Strips;
2. Storm Sewer;
3. Inlets;
4. Catch Basin;and
5. Dry Detention Basin.
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June 8, 2021
CITY OF OSHKOSH
STORMWATER MANAGEMENT FACILITY
MAINTENANCE AGREEMENT
Document Number Document Title
INSPECTION AND MAINTENANCE
All storm water facilities and components of the storm water system shall be inspected at least one(1)time,annually,or more often if
required by law. The Property's storm water drainage system must also be inspected after major storm events,which for purposes of
this Agreement are those events with an accumulation of one-half(1/2)inch within 24 hours prior to the site having a minimum of 70%
stabilization,and an event with an accumulation of one and one-half(11A)inches within 24 hours after the site has a minimum of 70%
stabilization. The storm water facilities and grading and drainage scheme must be maintained as designed in order to achieve the
desired storm water drainage objectives. Therefore,maintenance and repairs must be performed expeditiously when system
deficiencies are identified. The existence of soil erosion,clogged or damaged inlets and/or pipes,excessive sediment loads within the
basin and/or biofilter,rilling of side slopes,and other damaged features of the stormwater system are examples of items requiring
maintenance or repair work. Material removed from the basin or biofilter may require special handling dependent upon current
Wisconsin Department of Natural Resources disposal practices.
If a biofilter is installed/constructed,then biofilter maintenance activities include:remove coarse and gravel sediment that has
accumulated;maintaining proper level of mulch;inspecting surface and repair eroded areas;inspect filter strip rip-rap and repair as
needed; inspect energy dissipator rock or grass inlet areas;inspect overflow structures;replace filter bed;inspect perforated pipe under
drain;remove litter and debris;water plants;replace dying plants;and replace vegetation when necessary. Biofilter inspection and
maintenance requirements applicable to the Property will change as the rules enforced by the Governing Body change.
If a wet basin is installed/constructed,then dredging operations are required to remove the excess sediment when the depth of water in
the wet detention basin diminishes below three feet causing the efficiency of the detention basin to decrease. The storm water detention
basin(s)must retain the safety shelf after dredging. Damage to the safety shelf or detention basin liner must be repaired to preserve the
safety and operation of the facilities.
If a dry basin and/or swale is installed/constructed,then dry basin and swale maintenance includes removal of trash and debris,
repairing erosion,maintaining vegetation,and dredging when necessary.
The examples of maintenance activities that are identified above are not intended to be complete. The minimum information required
to be viewed as a guideline for potential maintenance or repair activities is identified in the Inspection and Maintenance Logs attached
as Exhibit"D". The Property owner shall,upon request,make available for inspection all maintenance records to the City's
Department of Public Works,or any agent of the City,during the life of the system.
PROHIBITIONS
Mowing in buffer areas,detention basin banks and drainage ways shall be minimized in order to maximize filtration of runoff. If
occasional mowing is necessary,the mowing height must not be less than six inches. Applications of fertilizers,herbicides,pesticide or
other chemical applications are prohibited in buffer areas,on detention basin banks and along drainage ways.
COMPLIANCE
1. The Property benefits from a properly maintained grading and drainage plan as well as properly maintained storm water
facilities. In the event the Property owner fails to perform any obligation related to this Agreement,the City of Oshkosh shall
have the authority to enter the private Property to inspect,maintain,repair,reconstruct,and/or modify any component of the
approved grading and drainage plan or storm water facility. The City has no duty to take such action but may do so at its
discretion.
2. The Property owner is entering into this storm water operation and maintenance Agreement primarily so that they comply with
local and state storm water rules and regulations. In addition to achieving compliance with rules and regulations,the Property
owner's compliance with this Agreement may result in the receipt of local storm water credits. In the event the Property owner
fails to materially comply with the terms of this Agreement,the City reserves the right to deny or suspend any requested storm
water credits until the noncompliant issue is resolved to the City's satisfaction. Upon achieving compliance,storm water
credits may be reinstated but they shall not be granted retroactively.
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June 8, 2021
CITY OF OSHKOSH
STORMWATER MANAGEMENT FACILITY
MAINTENANCE AGREEMENT
Document Number Document Title
3. The remedies described herein intended to achieve compliance are not exclusive,and may be cumulative. The City may
utilize one or more lawful actions it deems appropriate to enforce this Agreement and/or the Municipal Code.
4, The Property owner grants to the City of Oshkosh a limited,nonexclusive easement in perpetuity over the Property for the
purpose of addressing grading and drainage deficiencies,as well as providing reasonable and necessary access to any storm
water facility that is located on or within the Property. The City of Oshkosh shall use only that part of the Property reasonably
necessary to allow the inspection,maintenance,and/or repair of the approved grading and drainage plan or any storm water
facility.
5. The City may elect,but is not required,to perform storm water maintenance or repairs on the Property. If the City exercises
this discretion,then all associated costs for performing this work and enforcing this Agreement and/or storm water
management requirements of Chapter 14 of the Municipal Code,as may be amended from time to time,are subject to
reimbursement from Property owners,jointly and severally,or through encumbrances on the Property itself'. Reimbursement
remedies include placing an encumbrance against the Property as a Special Charge for Current Services pursuant to Sec.
66.0627 Wisconsin Statutes,as amended,or through other methods to collect directly from the Property owner as allowed by
law at the City's discretion. Any Special Charge for Current Services shall be a lien on the Property and shall be collected
with the real estate taxes.Notices of such charges shall be provided as required by law.
6. The storm water management facilities shall be for the benefit of the Property and the City of Oshkosh as described in this
Agreement. This Agreement is not intended to benefit third parties and there shall be no third party beneficiaries.
RECORDING
This agreement shall be recorded with the land records of the Winnebago County,Wisconsin,Register of Deeds.Winnebago County,
shall bear the cost of recording this document.
AMENDMENTS
This Agreement may be amended in whole or in part at any time by the owner of the Property,provided: 1)the amendment(s)are
approved in writing by the owners of a majority of the lots within the Property as recorded with the Register of Deeds,Winnebago
County,Wisconsin;and,2)the amendment(s)are approved in writing by the City of Oshkosh Board of Public Works. This
Agreement shall be a permanent covenant that shall,as provided by law,run with the land and any amendment to this Agreement shall
be subject to the prior approval by the City of Oshkosh.
SIGNATURES ON FOLLOWING PAGE
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June 8, 2021
CITY OF OSHKOSH
STORMWATER MANAGEMENT FACILITY
MAINTENANCE AGREEMENT
Document Number Document Title
For the Owner/Developer:
WINNEB GO OUN
By: By: 4./f
n har► oemel,County Executive Sue rhner,Cou Clerk
By: �.u--�.
J. shell,Director of Wittman Regional Airport
STATE OF WISCONSIN )
)ss.
WINNEBAGO COUNTY )
Personally came before me this I day of Ktl 2022, the •4ove named Jonathan Doemel, to me
known to be such person who executed the f• -:oin4 instr° e d ackn• •:ed the same, fc 4i1 apse herein
f `paMVFf'�.
contained. I
i
�4.t. cl%
otary PIT. tc State of i• t 1st�V Stp PUMA Z s-
My Commis •n ex.ires: fds Lam" 'r 9 2)
Cr.
STATE OF WISCONSIN )
)ss.
WINNEBAGO COUNTY )
504. iy-444,44Personally came before me this 111‘ day of Yt,YJ VlA. ,2022,the above named Sue Ertmer,to me known to -_
be such person who executed the foregoing instru ent and acknowledged the same,for the purpose herein contained.
1 4 1 inn . - -
Notary Public,State of Wisconsini
My Commission expires: It) —t 1 ' V4-
STATE OF WISCONSIN )
)ss.
WINNEBAGO COUNTY )
Personally came before me this q-r'' day of fe brt to ,2022,the above named Jim Schell,to me known to
be such person who executed the foregoing instrument and acknowledged the same,for the purpose herein contained.
..1E p, UR EGG
Notary Public,State of Wisco G`
My Commission expires: '+/ 5 j2i22-5 �At tr.
NOTARY
5
PUBLIC
tf� tiZ
June 8, 2021 15, O��
OFW15G
CITY OF OSHKOSH
STORMWATER MANAGEMENT FACILITY
MAINTENANCE AGREEMENT
Document Number Document Title
For the City of Oshkosh:
d-- •
Mark .Rohloff,City Manager Jess Balcom,City Clerk
STATE OF WISCONSIN )
)ss.
WINNEBAGO COUNTY )
Personally came before me on this /0 day of Fe by of itg 2022,the above named,Mark A.Rohloff and
Jessi Balcom,to me known to be the persons who executed the foregoing instrument and acknowledged the same.
Notary Public,State of Wisconsin
My Commission expires: Il f i 5./d0 a
Approved as to form:
Date. l 0 Depa
clyn
.Lorenson, Attorney
This document was drafted by:
David J.Praska
Deputy City Attorney
Oshkosh,WI 54903-1130
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June 8, 2021
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STATE yPROJECT NOI AIP 3•55.0001-541HITTAtAH REGIONAL AIRPORT [COUNTY:HDIHEOAOO 1crimma tt EROSION CONTROL PLAN [SCALE,feel ", I
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EXHIBIT B (2 of 4) 1
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EXHIBIT B (3 of 4)
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STATE PROJECT NM MP B-SS-0061-341WITTIrAN REGIONAL AIRPORT ,COUNTY'WINNEBAGO IGRADINO&EROSION CONTROL PLAN 'SCALE, FEET , {„1 SHEET 51 OF 214 I E
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EXHIBIT B (4 of 4)
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Operation and Maintenance Plan
For
Wittman Regional Airport
Taxiway B Reconstruction
City. of Oshkosh
Winnebago County., Wisconsin
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OMNNI ASSOCIATES
ONE SYSTEMS DRIVE
APPL.ETON, WI 54914 i [
MALs
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7� RENVIL[E r fir" i
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EXHIBIT C (1 of 3)
Wittman Regional Airport—Taxiway B
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Post Construction Maintenance Plan
Post Construction Considerations
I. While maintenance is being conducted, ensure that no heavy vehicle traffic occurs
on the filter strip and foot traffic is limited to avoid compaction.
2, Avoid mowing when the ground is wet to avoid creating ruts and/or compacting the
filter strips.
Inspections
1, Inspect the dry detention basins and filter strips at Least twice annually,once in the
Spring,once in the Fall and after a rainfall event determined to be greater than or
equal to the 10-year recurrence interval(3.75 Inches), Conduct inspections during
wet weather conditions to determine if the stormwater elements are functioning
properly,
2. Dry Detention Basins:Inspection priorities include visual observation and
documentation of;
• The embankments for subsidence,erosion,cracking and woody plant material
growth,
• Observe and document the condition of the dry detention basin for integrity of
the cross-section.
• Accumulation of sediment and debris in the barrels of the outlet structures.
• The adequacy of upstream and downstream channel erosion protection
measures,
• Confirm any modification to the contributory watershed and the pond structure
and document any modifications.
• Upstream grass areas for areas barren of vegetation.
• Dry detention for standing water,
3. Filter Strips:Inspection priorities include visual observation and documentation of:
• Channelized flow
• Vegetation cover of at least 80%.
• Accumulation of sediment and debris,
3. Use as-built plans for reference during the inspection procedures.
4. Documentation of all inspection shall be kept on record.
Erosion Control
1. If the dry detention pond side slopes or filter strips suffer from slumping and/or
erosion,corrective measures such as re-grading and re-vegetation will be required.
Complete the appropriate corrective measure(s)to repair the problem(s)in a timely
manner,
O&M PLAN Page l
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EXHIBIT C (2 of 3)
Wittman Regional Airport—Taxiway 13
Debris and Litter Removal
1. Remove debris and litter from the area,including upstream of the storm sewer.
Non-Routine Maintenance-Structural Repairs and Replacement
1. Conduct routine inspection and maintenance of primary outlet structure for the dry
detention basins to insure their longevity.
2. A plan to correct any failures shall be presented to the City within 30 days of a failed
inspection.
Documentation on Maintenance
1 Maintain a record onsite on a semi-annual basis,at a minimum.
2. The airport shall maintain stormwater management practices in accordance with the
storm water practice maintenance provisions contained in the approved storm water
management plan submitted.
Responsible Parties
Design Engineer: Local Compliance Enforcement:
Elizabeth Marks,P,E. City of Oshkosh
OMNNI Associates,Inc. Public Works
One Systems Drive 215 Church Avenue
Appleton,WI 54914 P.O.Box 1130
920-735-6900 Oshkosh,WI 54903-1130
920-236-5065
Owner: State Compliance Enforcement:
Winnebago County Airport Jay Schlefelbeln
Jim Schell WDNR
525 W 201"Ave 2984 Shawano Ave
Oshkosh,WI 64902 Green Bay,WI 64313
920-236-4932 920-662-5130
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O&M PLAN Page 2 1
EXHIBIT C (3 of 3)
Inspection & Maintenance Log
Catch Basin ! Proprietary Device
Inspection Year:
Name of Site: Address:
Inspector: Company: I�
Municipality Phone:
Contact: i
*Facility owner Is responsible for Inspecting,maintaining,and repairing facility components after any
major storm event and at the beginning of the Spring and Fall seasons. Check any deficiencies noted
and comment for maintenance actions taken,date of repair,and any alerts. Inspection items with no
*should be completed by a qualified professional every five years(or more frequently If concerns are
noted).
** Please refer to the Maintenance at a Glance sheet for more information.
Inspection Item** Storm Storm Storm Maintenance Action Date
Date Date Date
Catch Basin I Proprietary Device
inlet Protection* Remove after
Stabilization
Debris/Trash Accumulation* Clean up/Remove
Abnormal water levels* Contact Municipality
Sediment I Floatables Accumulation* Remove(pump and
dispose of at
wastewater treatment
plant)**
Depressions around facility Contact Municipality
Joint Separation Contact Municipality
Cracks in Concrete Contact Municipality
Deteriorated piping Contact Municipality
Displacement of Structure Contact Municipality
**Pumping Details (based on design guidelines): 1 1
Type of unit(s) Design Pumping Frequency
Dates Pumped
Pumper Disposal Location
Page 1 of 1 Rev.02i22/2008
EXHIBIT D (1 of 5)
Inspection & Maintenance Log
Detention Basin
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Inspection Year:
Name of Site: Address:
Inspector: Company: •
Municipality Phone:
Contact:
*Facility owner is responsible for inspecting,maintaining,and repairing facility components after any
major storm event and at the beginning of the Spring and Fall seasons. Check any deficiencies noted
and comment for maintenance actions taken,date of repair,and any alerts, Inspection Items with no
*should be completed by a qualified professional every five years(or more frequently if concerns are
noted).
Inspection item Storm Storm Storm Maintenance Action Date
Date Date Date
Pond
Bank Erosion*
Debris/Trash Accumulation*
Visible pollution*
Abnormal water levels
Sediment Accumulation* •
Depressions,Whirlpools,Sinkholes
Embankment
1, Upstream Slope-Poor Grass Cover*
Erosion or Slides*
Trees/Brush Growing on Slopes*
Deficient Riprap Protection*
Animal Burrows*
Depressions or Bulges
Settlement
Longitudinal Cracks ( j
Transverse Cracks
Page 1 of 4 Rev.02/22/2008
EXHIBIT D (2 of 5)
Inspection & Maintenance Log
Detention Basin
I i
Storm Storm Storm
Inspection Item Maintenance Action Date
Date Date Date
2. Crest—Settlement*
Misalignment
I I
Cracking
3. Downstream Slope-Poor Grass
Cover*
Erosion or Slides*
TreeslBrush Growing on Slopes*Animal Burrows*
•
Excessive or Cloudy Seepage*
Longitudinal Cracks
Transverse Cracks
Depressions or Bulges
Settlement
Seeps,leaks,or boils
Ii
it
Page 2 of 4 Rev.02/22/2008
EXHIBIT D (3 OF 5)
Inspection & Maintenance Log
Detention Basin
Inspection Item Storm Storm Storm Maintenance Action Date
Date Date Date
4. Emergency Spillway—Exposed
Fabric*
Overgrown Vegetation*
Erosion/Backcutting at berm or road*
Rutting or pot-holes*
Obstructions or debris*
inadequate Riprap/Armor
Cracking
Slumping/Sloughing of Embankment
Settlement
Spillway
1. Eroding or Backcutting*
Overgrown Vegetation
Obstructions with Debris* •
Excessive Siltation*
Slumping/Sloughing
Control Structure
1. inlet-Debris In Conveyance Area*
Erosion or Undercutting*
Stop-log deterioration/leaking*
Joint Separation
Cracks in Concrete
Deteriorated piping f I
Displacement of Structure
i l
Page 3 of 4 Rev.D2122/2008
EXHIBIT D (4 of 5)
inspection & Maintenance Log
Detention Basin
2. Outlet-Erosion or Backcutting*
Debris in Culvert or Trash Rack* •
Undermining/Scour*
Inoperable control valve*
Inoperable flap gate*
Joint Separation
Cracks In Concrete
Downstream Area
1. Erosion
Debris I Obstructions*
2. Bridge I Culvert Problems
Buildings Issues
Foundation Concerns
Page 4 of 4 Rev.02/22/2008
EXHIBIT D (5 of 5) •