October 3, 2025

CivilWorx

Attn: Kelly Hafner

1807 Capitol Avenue

Suite 108

Cheyenne, WY 82001

RE: EPR Approval Letter for Christensen Road Detention Erosion Mitigation Plan

ENPR-25-40

Dear Mr. Hafner, The Engineering Plan Review, for plans dated September 25, 2025, is complete for the above referenced project.

The plans are approved in scope only. The City Engineering Department’s approval and review shall be understood to be a cursory review of the plans only. The character, sufficiency, and completeness of the design and plans are the sole responsibility of the Wyoming Registered

Engineer(s) who have sealed and signed them. This review does not constitute verification of plan accuracy or completeness, and the City holds no responsibility regarding the design and detail of the information contained therein.

Please contact the City Engineer’s Office at 307-637-6268 if you have any questions.

Respectfully, Thomas D. Cobb, P.E.

City Engineer

A COMMUNITY OF CHOICE

ENGINEERING

2101 O’Neil Avenue Room 206 Cheyenne, Wyoming 82001 Phone (307)637-6268 Fax (307)637-6256

APPROVED

Oct. 03 2025

1:46:32 PM

Docusign Envelope ID: 4DC64629-C25C-486F-928B-FAD0BFDE5047

© 2025 Microsoft Corporation © 2025 Maxar ©CNES (2025) Distribution Airbus DS © 2025 TMAP MOBILITY Earthstar Geographics SIO © 2025 TomTom © 2025 Zenrin

CHRISTENSEN ROAD DETENTION EROSION

MITIGATION PLANS

CHRISTENSEN ROAD

A PORTION OF THE S1

2, SECTION 30,

AND THE N1

2, SECTION 31, T.13N., R.66W., OF THE 6TH P.M.,

CITY OF CHEYENNE,

LARAMIE COUNTY, WYOMING

Lowes Detention Restoration

C O

VE

R

S H

EE

T

N/A N/A

CV01

CERTIFICATE OF ENGINEER

I, KELLY W. HAFTER , HEREBY CERTIFY THAT THE DESIGN OF THESE

PLANS WAS PERFORMED BY ME OR UNDER MY DIRECT SUPERVISION

AND THAT I AM A DULY REGISTERED PROFESSIONAL ENGINEER IN

THE STATE OF WYOMING.

REGISTERED PROFESSIONAL ENGINEER

STATE OF WYOMING NO. 10514

VICINITY MAP

OWNER/PROJECT MANAGER

WESLEY D. BAY, P.E.

STORMWATER DIVISION MANAGER

CITY DRAINAGE ENGINEER

CITY OF CHEYENNE

2101 O'NEIL AVENUE

CHEYENNE, WY 82001

OFFICE: (307)638-4315

WBAY@CHEYENNECITY.ORG

1. THIS PLAN SET IS PREPARED FOR THE CHRISTENSEN ROAD DETENTION POND RESTORATION.

2. THE GENERAL CIVIL SCOPE OF THE CIVIL PLANS IS INSTALLATION OF A NEW STORM SYSTEM CONNECTING TO AN EXISTING CULVERT UNDER THE UPRR TO THE EXISTING CHRISTENSEN ROAD DETENTION POND AND

RESTORING A LARGE AREA OF ERODED SOILS IN THE UPRR AND DETENTION POND.

PROJECT TEAM

PROJECT COORDINATES

PROJECT VERTICAL DATUM:

NAVD 88

PROJECT HORIZONTAL DATUM:

NAD 83 WYOMING STATE PLANE EAST USFT

CIVIL ENGINEER

CIVILWORX, LLC

ENGINEER OF RECORD:

KELLY HAFNER, PE

1807 CAPITOL AVENUE STE 108

CHEYENNE, WY 82001

OFFICE: (307) 514-1012

MOBILE: (307) 760-1776

KELLY.HAFNER@CIVILWORXENG.COM

SURVEYOR

JONES LAND SURVEYING, Inc.

SURVEYOR OF RECORD:

COTTON JONES, PLS

6750 SAY KALLY RD.

CHEYENNE, WY 82009

OFFICE: (307) 637-7107

WEBSITE: JONESLANDSURVEY.COM

PROJECT & PLAN SCOPE OF WORK

SPECIFICATIONS

THE CITY OF CHEYENNE AND BOARD OF PUBLIC UTILITIES CONSTRUCTION SPECIFICATIONS AND STANDARD DRAWINGS 2022 AND ALL AMENDMENTS THROUGH THE DATE OF CONSTRUCTION PLAN APPROVAL SHALL BE THE STANDARD SPECIFICATIONS FOR ALL CIVIL SITE & UTILITY WORK ON THIS PROJECT. ALL WORK SHALL BE IN CONFORMANCE WITH THESE STANDARDS AND SPECIFICATIONS AS AMENDED BY THESE PLANS

AND THE SPECIAL PROVISIONS.

THE STANDARD SPECIFICATIONS CAN BE DOWNLOADED IN PDF FORMAT WWW.CHEYENNECITY.ORG FOLLOWING LINKS TO THE PLANNING AND DEVELOPMENT DEPARTMENT, ENGINEERING SERVICES, CONSTRUCTION ENGINEERING - CONSTRUCTION SPECIFICATIONS. NO STANDARD DRAWINGS WILL BE PROVIDED WITH THIS PLAN SET. THE CONTRACTOR SHALL HAVE A COPY OF THE CITY OF CHEYENNE SPECIFICATIONS AND

STANDARD DETAILS AT THE JOBSITE WITH THE CONTRACT DESIGN PLANS.

ADDITIONAL SPECIFICATIONS FOR WORK WITHIN THE UPRR RIGHT OF WAY IS INCLUDED WITH THESE PLANS AND PROVIDED AS SUPPLEMENTAL

PDFS FOR REVIEW BY THE CONTRACTOR.

PR

EP

AR

ED

F O

R

JOB NUMBER

SHEET NUMBER

SHEETSOF

D

AT

E

SU

BM

IT

TE

D

Th e en gi ne er p re pa rin g th es e pl an s w ill no t b e re sp on si bl e fo r, or li ab le fo r, un au th or iz ed c ha ng es to o r u se s of th es e pl an s.

A ll ch an ge s to th e pl an s m us t b e in w rit in g an d m us t b e ap pr ov ed b y th e pr ep ar er o f t he se p la ns

NO

BY

DA

TE

CAUTION

RE

VI

SI

O

NS

VERTICAL:

HORIZONTAL:

SCALE

1807 Capitol Avenue Suite 108

Cheyenne, WY 82001

(307) 514-1012

CivilWorxeng.com

C H

R

IS

TE

N

SE

N

R O

AD

D

ET

EN

TI

O

N E

R O

SI

O

N M

IT

IG

AT

IO

N P

LA

N

S

C25016

C

IT

Y O

F C

H

EY

EN

N

E 9/

/2

CONSTRUCTION

DOCUMENTS

CW

X 8/

/2

CI

TY

C O

M M

EN

TS

D

ES

IG

N

RE

FI

NE

M

EN

TS

CW

X 9/

/2

CI

TY

C O

M M

EN

TS

FI

NA

L

RE

FI

NE

M

EN

TS

N

S

EW

DATE

APPROVED

APPROVAL

CHEYENNE FIRE DEPARTMENT DATE

APPROVED

CHEYENNE BOARD OF PUBLIC UTILITIES ENGINEER DATE

APPROVED

THESE PLANS ARE APPROVED IN SCOPE ONLY, NOT IN DETAIL.

DETAIL OF THESE PLANS IS THE SOLE RESPONSIBILITY OF THE

WYOMING REGISTERED CIVIL ENGINEER WHO HAS SEALED AND

SIGNED THEM. THE CITY HOLDS NO RESPONSIBILITY REGARDING THE

DESIGN AND DETAIL OF THESE PLANS.

CITY ENGINEER

Sheet List Table Sheet

Number Sheet Title Sheet Description

1 CV01 COVER SHEET

2 NT01 NOTES AND SUMMARY

3 DM01 EXISTING CONDITIONS & DEMO PLAN

4 SD01 STORM PLAN & PROFILE

5 GR01 RESTORATION GRADING PLAN

6 DT01 CONSTRUCTION DETAILS

7 DT02 CONSTRUCTION DETAILS

N/A

N/AAPPROVED

Oct. 03 2025

1:46:25 PM

Docusign Envelope ID: 4DC64629-C25C-486F-928B-FAD0BFDE5047

October 3, 2025

AutoCAD SHX Text R

AutoCAD SHX Text

CALL BEFORE YOU DIG UTILITY NOTIFICATION CENTER OF WYOMING

AutoCAD SHX Text

ONE-CALL OF WYOMING

AutoCAD SHX Text 1-800-849-2476

AutoCAD SHX Text

OR

AutoCAD SHX Text

AutoCAD SHX Text n

AutoCAD SHX Text I

AutoCAD SHX Text Date

AutoCAD SHX Text W

AutoCAD SHX Text M

AutoCAD SHX Text O

AutoCAD SHX Text Y

AutoCAD SHX Text L

AutoCAD SHX Text a

AutoCAD SHX Text o

AutoCAD SHX Text L

AutoCAD SHX Text n

AutoCAD SHX Text s

AutoCAD SHX Text i

AutoCAD SHX Text s

AutoCAD SHX Text K

AutoCAD SHX Text P

AutoCAD SHX Text o

AutoCAD SHX Text r

AutoCAD SHX Text f

AutoCAD SHX Text e

AutoCAD SHX Text E

AutoCAD SHX Text H

AutoCAD SHX Text A

AutoCAD SHX Text g

AutoCAD SHX Text i

AutoCAD SHX Text W.

AutoCAD SHX Text Y

AutoCAD SHX Text l

AutoCAD SHX Text E

AutoCAD SHX Text 10514

AutoCAD SHX Text n

AutoCAD SHX Text G

AutoCAD SHX Text N

AutoCAD SHX Text

AutoCAD SHX Text i

AutoCAD SHX Text l

AutoCAD SHX Text i

AutoCAD SHX Text C

AutoCAD SHX Text F

AutoCAD SHX Text E

AutoCAD SHX Text N

AutoCAD SHX Text e

AutoCAD SHX Text e

AutoCAD SHX Text r

AutoCAD SHX Text

AutoCAD SHX Text v

AutoCAD SHX Text R

KellyHafner Snapshot

N O

TE

S

AN

D

S U

M M

AR

Y

N/A N/A

NT01

PR

EP

AR

ED

F O

R

JOB NUMBER

SHEET NUMBER

SHEETSOF

D

AT

E

SU

BM

IT

TE

D

Th e en gi ne er p re pa rin g th es e pl an s w ill no t b e re sp on si bl e fo r, or li ab le fo r, un au th or iz ed c ha ng es to o r u se s of th es e pl an s.

A ll ch an ge s to th e pl an s m us t b e in w rit in g an d m us t b e ap pr ov ed b y th e pr ep ar er o f t he se p la ns

NO

BY

DA

TE

CAUTION

RE

VI

SI

O

NS

VERTICAL:

HORIZONTAL:

SCALE

1807 Capitol Avenue Suite 108

Cheyenne, WY 82001

(307) 514-1012

CivilWorxeng.com

C H

R

IS

TE

N

SE

N

R O

AD

D

ET

EN

TI

O

N E

R O

SI

O

N M

IT

IG

AT

IO

N P

LA

N

S

C25016

C

IT

Y O

F C

H

EY

EN

N

E 9/

/2

CONSTRUCTION

DOCUMENTS

CW

X 8/

/2

CI

TY

C O

M M

EN

TS

D

ES

IG

N

RE

FI

NE

M

EN

TS

CW

X 9/

/2

CI

TY

C O

M M

EN

TS

FI

NA

L

RE

FI

NE

M

EN

TS

PROJECT MAJOR QUANTITIES:

ITEM MEASUREMENT UNIT EST. QUANTITIES

NEW STORM MH (60") EACH 1

NEW 42-INCH STEEL- HDPE COUPLER EACH 1

NEW STORM SEWER (42-INCH) LINEAR FOOT 375

NEW 42-INCH FLARED END SECTION EACH 1

UNCLASSIFIED EXCAVATION (ON-SITE) CUBIC YARD 1,100

IMPORTED FILL ESTIMATE CUBIC YARD 1,500

TOPSOIL (IMPORT) CUBIC YARD 150

RESEEDED AREA (ESTIMATE) ACRE 3.0

RIPRAP TO BE RELOCATED SQUARE YARD 171

RESTORATION AREA OF WORK

RIPRAP TO BE SALVAGED

AND RE-USED FOR SITE WORK

RESTORE ERODED AREA.

BACKFILL WITH DEPOSITED MATERIAL.

GENERAL NOTES

1. THE CONTRACTOR SHALL COORDINATE CONSTRUCTION ACCESS WITH THE PROJECT MANAGER.

2. OWNER PROVIDED ITEMS:

2.1. ACCESS TO UPRR, COORDINATE WITH PROJECT MANAGER

2.2. ACCESS TO CITY PROPERTY (I.E. DETENTION FACILITY)

2.3. GRADING PERMIT (WAIVED FEES)

2.4. ON-SITE SOIL FOR USE WITH BACKFILL

3. CONTRACTOR SCOPE OF WORK (PRIMARY ITEMS):

3.2. BACKFILL OF ERODED AREAS

3.3. REMOVAL AND RESTORATION OF RIPRAP

3.4. STORM SEWER INSTALLATION

3.5. TEMPORARY SITE EROSION CONTROL AND RESEEDING

3.6. AS-CONSTRUCTED SURVEY OF STORM SEWER AND RESTORED DETENTION FACILITY

4. THE CONTRACTOR SHALL COORDINATE AND COOPERATE WITH THE OWNER REGARDING RELOCATIONS, ADJUSTMENTS, EXTENSIONS, AND REARRANGEMENTS OF EXISTING UTILITIES

(IF REQURIED) DURING CONSTRUCTION.

5. NO STOCKPILING OR MATERIALS NOT FOR IMMEDIATE PLACEMENT SHALL BE ALLOWED IN THE UPRR.

THE CONTRACTOR IS RESPONSIBLE FOR PROTECTING ALL UTILITIES DURING CONSTRUCTION AND FOR COORDINATING WITH THE APPROPRIATE UTILITY COMPANY FOR ANY UTILITY CROSSING REQUIRED THE TYPE, SIZE, LOCATION AND NUMBER OF ALL KNOWN UNDERGROUND UTILITIES ARE APPROXIMATE WHEN SHOWN ON THE PLANS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE AND LOCATION OF ALL UNDERGROUND UTILITIES ALONG THE ROUTE OF THE WORK BEFORE COMMENCING CONSTRUCTION. THE CONTRACTOR SHALL CONTACT THE ONE CALL OF WYOMING AT 1-800-849-2476 AT LEAST THREE (3) WORKING DAYS PRIOR TO BEGINNING EXCAVATION OR GRADING TO HAVE ALL REGISTERED UTILITY LOCATION MARKED. OTHER UNREGISTERED UTILITIES ARE TO BE LOCATED BY CONTACTING THE RESPECTIVE REPRESENTATIVE.

SHOULD CONDITIONS ARISE WHICH ARE DIFFERENT THAN THOSE SHOWN ON THE DRAWINGS.

6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL ASPECTS OF SAFETY, INCLUDING, BUT NOT LIMITED TO, EXCAVATION, TRENCHING, SHORING, PEDESTRIAN / VEHICULAR TRAFFIC CONTROL AND JOBSITE SECURITY. NOTE THE SITE IS SUBJECT TO INUNDATION DURING RAINFALL EVENTS.

7. THE CONTRACTOR SHALL PROVIDE, AT THE COMPLETION OF THE PROJECT, A COMPLETE SET OF REPRODUCIBLE “AS-BUILT” DRAWINGS TO THE OWNER'S REPRESENTATIVE. THE

AS-BUILT DRAWING WILL CONSIST OF:

1. MARKED-UP SET OF “ISSUED FOR CONSTRUCTION” DRAWING VERIFYING THE FOLLOWING.

2. ALL LENGTHS AND SIZES AND MATERIAL OF INSTALLED PIPE, MANHOLES, AND ANY OTHER IMPROVEMENTS.

3. ELEVATIONS AT FLOWLINE/INVERT OF PIPES AT DESIGN LOCATIONS AND RIM ELEVATIONS OF ANY CONNECTED MANHOLE(s) / INLET(s) / JUNCTION(s).

4. ENCOUNTERED UTILITIES AND ELEVATIONS,

5. RESTORED DETENTION POND STAGE-AREA-VOLUME TABLE.

6. ANY OTHER VARIATIONS FROM THE CONSTRUCTION DOCUMENTS MUST BE CLEARLY NOTED AND DETAILED ON THE PLANS.

SURVEYING AND LAYOUT GENERAL NOTES:

1. THE CONTRACTOR SHALL PROVIDE CONSTRUCTION STAKING. COORDINATE KNOWN CONTROL POINTS WITH PROJECT SURVEYOR.

2. THE ORIGINAL SITE GRADING PLAN AND LAYOUT INFORMATION ARE AVAILABLE FOR FOR REFERENCE TO ASSIST WITH RECONSTRUCTION OF THE DETENTION FACILITY TO VERIFY THE

CONFORMITY TO THE ORIGINAL DESIGN INTENT.

UPRR GENERAL SAFETY REQUIREMENTS (REFER TO TO UPRR CONTRACTOR MINIMUM SAFETY REQUIREMENTS SUPPLEMENTAL):

THE CONTRACTOR MUST NOT BEGIN CONSTRUCTION OF ANY COMPONENT OF THE SHORING SYSTEM AFFECTING THE RAILROAD RIGHT-OF-WAY UNTIL WRITTEN RAILROAD APPROVAL HAS

BEEN RECEIVED.

1. ALL EXCAVATIONS SHALL BE IN COMPLIANCE WITH APPLICABLE OSHA REGULATIONS AND SHALL BE SHORED WHERE THERE IS ANY DANGER TO TRACKS, STRUCTURES OR PERSONNEL REGARDLESS OF DEPTH.2. THE CONTRACTOR IS RESPONSIBLE FOR PLANNING AND EXECUTING ALL PROCEDURES NECESSARY TO CONSTRUCT, MAINTAIN AND REMOVE

THE TEMPORARY SHORING SYSTEM IN A SAFE AND CONTROLLED MANNER.

3. EMERGENCY RAILROAD PHONE NUMBERS ARE TO BE OBTAINED FROM THE RAILROAD REPRESENTATIVE IN CHARGE OF THE PROJECT PRIOR TO THE START OF ANY WORK AND SHALL

BE POSTED AT THE JOB SITE.

4. THE CONTRACTOR MUST OBTAIN A VALID RIGHT OF ENTRY PERMIT FROM THE RAILROAD AND COMPLY WITH ALL RAILROAD REQUIREMENTS WHEN WORKING ON RAILROAD

PROPERTY.

5. THE CONTRACTOR IS REQUIRED TO MEET MINIMUM SAFETY STANDARDS AS DEFINED BY THE RAILROAD.

6. ALL TEMPORARY SHORING SYSTEMS THAT SUPPORT OR IMPACT THE RAILROAD’S TRACKS OR OPERATIONS SHALL BE DESIGNED AND CONSTRUCTED TO PROVIDE SAFE AND

ADEQUATE RIGIDITY.

7. THE RAILROAD REQUIREMENTS, CONSTRUCTION SUBMITTAL REVIEW TIMES AND REVIEW CRITERIA SHOULD BE DISCUSSED AT THE PRE-CONSTRUCTION MEETING WITH THE

CONTRACTOR.

8. A FLAGMAN IS REQUIRED WHEN ANY WORK IS PERFORMED WITHIN 25 FEET OF TRACK CENTERLINE. IF THE RAILROAD PROVIDES FLAGGING OR OTHER SERVICES, THE CONTRACTOR

SHALL NOT BE RELIEVED OF ANY RESPONSIBILITIES OR LIABILITIES AS SET FORTH IN ANY DOCUMENT AUTHORIZING THE WORK. NO WORK IS ALLOWED WITHIN 50 FEET OF TRACK CENTERLINE WHEN A TRAIN PASSES THE WORK SITE AND ALL PERSONNEL MUST CLEAR THE AREA WITHIN 25 FEET OF TRACK CENTERLINE AND SECURE ALL EQUIPMENT WHEN

TRAINS ARE PRESENT.

9. APPROPRIATE MEASURES FOR THE INSTALLATION AND PROTECTION OF FIBER OPTIC CABLES SHALL BE ADDRESSED IN THE PLANS AND CONTRACT DOCUMENTS. FOR SPECIFIC

RAILROAD REQUIREMENTS AND ADDITIONAL INFORMATION

REFER TO:

WWW.BNSF.COM OR CALL 1-800-533-2891.

WWW.UPRR.COM, CALL 1-800-336-9193 OR REFER TO UPRR FIBER OPTIC ENGINEERING, CONSTRUCTION AND MAINTENANCE STANDARDS (UPRR)

10. RELOCATION OF UTILITIES OR COMMUNICATION LINES NOT OWNED BY THE RAILROAD SHALL BE COORDINATED WITH THE UTILITY OWNERS. THE UTILITY RELOCATION PLANS MUST THEN BE SUBMITTED TO THE RAILROAD UTILITY REPRESENTATIVE FOR APPROVAL. THE SHORING PLANS MUST INCLUDE THE CORRECT CONTACT FOR THE RAILROAD, STATE OR LOCAL UTILITY LOCATING SERVICE PROVIDER. THE RAILROAD WILL NOT BE RESPONSIBLE FOR COST ASSOCIATED WITH ANY UTILITY, SIGNAL, OR COMMUNICATION LINE RELOCATION

OR ADJUSTMENTS.

CONTRACTOR RESPONSIBILITIES (UPRR)

THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR THE DESIGN, CONSTRUCTION AND PERFORMANCE OF THE TEMPORARY STRUCTURE. (AREMA 8.28.1.3)

11. THE CONTRACTOR’S WORK SHALL IN NO WAY IMPEDE THE TRAIN OPERATIONS OF THE RAILROAD AND MUST BE COORDINATED WITH THE LOCAL RAILROAD OPERATING DEPARTMENT.

12. THE CONTRACTOR SHALL DEVELOP A WORK PLAN THAT ENABLES THE TRACK(S) TO REMAIN OPEN TO TRAIN TRAFFIC AT ALL TIMES.

13. THE CONTRACTOR SHALL COMPLY WITH ALL STATE AND FEDERAL LAWS, COUNTY OR MUNICIPAL ORDINANCES AND REGULATIONS WHICH IN ANY MANNER AFFECT THE WORK.

14. ALL REMOVED SOILS WILL BECOME THE RESPONSIBILITY OF THE CONTRACTOR AND SHALL BE DISPOSED OF OUTSIDE THE RAILROAD RIGHT-OF-WAY ACCORDING TO THE APPLICABLE

FEDERAL, STATE AND LOCAL REGULATIONS.

15. THE PROJECT ENGINEER AND THE CONTRACTOR SHALL EVALUATE THE QUALITY OF MATERIALS FURNISHED AND WORK PERFORMED.

16. 6. THE CONTRACTOR IS RESPONSIBLE TO PROTECT THE RAILROAD BALLAST AND SUBBALLAST FROM CONTAMINATION.

17. THE CONTRACTOR MUST MONITOR AND RECORD TOP OF RAIL ELEVATIONS AND TRACK ALIGNMENT FOR THE DURATION OF THE PROJECT. THE MOVEMENT SHALL BE WITHIN THE

LIMITS DEFINED IN TABLE 1, DEFLECTION CRITERIA ON PAGE 10. DISPLACEMENTS EXCEEDING THE LIMITS DEFINED IN TABLE 1 MUST BE IMMEDIATELY REPORTED TO THE RAILROAD.

ALL WORK ON THE PROJECT MUST STOP AND THE RAILROAD MAY TAKE ANY ACTION NECESSARY TO ENSURE SAFE PASSAGE OF TRAINS. THE CONTRACTOR MUST IMMEDIATELY SUBMIT A CORRECTIVE ACTION PLAN TO THE RAILROAD FOR REVIEW AND APPROVAL. THE RAILROAD MUST REVIEW AND APPROVE THE PROPOSED REPAIR PROCEDURE. THE REPAIR MUST BE INSPECTED BY THE RAILROAD BEFORE THE TRACK CAN BE PLACED BACK IN SERVICE.

18. ANY DAMAGE TO RAILROAD PROPERTY SUCH AS TRACK, SIGNAL EQUIPMENT OR STRUCTURE COULD RESULT IN A TRAIN DERAILMENT. ALL DAMAGE MUST BE REPORTED

IMMEDIATELY TO THE RAILROAD REPRESENTATIVE IN CHARGE OF

19. THE PROJECT AND TO THE RAILROAD MANAGER OF TRACK MAINTENANCE (MTM).

20. 1.1 UNION PACIFIC REQUIRES ITS CONTRACTORS TO FOLLOW THE SAME SAFETY RULES THAT GOVERN UNION PACIFIC EMPLOYEES. THESE INCLUDE, BUT ARE NOT LIMITED TO, REQUIREMENTS RELATED TO WORK GEAR, EQUIPMENT, AND SAFETY CONDUCT, REPORTING, PROHIBITIONS AGAINST WEAPONS, DRUGS & ALCOHOL, AND FIRES.

21. 1.2 RAILROAD MANAGEMENT IS AUTHORIZED TO TAKE ANY ACTIONS NECESSARY TO PREVENT INJURIES TO ANY PERSON, DAMAGE TO RAILROAD PROPERTY, DISRUPTION OF

RAILROAD OPERATION, AND THE SAFETY OF THE PUBLIC.

22. 1.3 THE CONTRACTOR IS RESPONSIBLE FOR THE SAFETY OF ITS PERSONNEL, SUBCONTRACTORS, AND ANY VENDORS OR MATERIAL/DELIVERY DRIVERS WORKING ON BEHALF OF THE

CONTRACTOR.

23. 1.4 CONTRACTOR PERSONNEL MUST BE FAMILIAR WITH AND OBEY ALL RULES, REGULATIONS, AND INSTRUCTIONS APPLICABLE TO THEIR DUTIES AND WORK LOCATION PRIOR TO PERFORMING WORK. THE CONTRACTOR IS RESPONSIBLE FOR TRAINING CONTRACTOR PERSONNEL TO BE PREPARED TO WORK IN COMPLIANCE WITH ALL APPLICABLE STANDARDS

AND REQUIREMENTS.

24. 1.5 ANY QUESTIONS REGARDING THIS INFORMATION SHOULD BE DIRECTED TO THE UNION PACIFIC MANAGER IN CHARGE OF THE WORK LOCATION.

SHORING SAFETY REQUIREMENTS FOR CONTRACTOR WORKING IN UPRR RIGHT-OF-WAY:

1. GUARDRAILS

i. GUARDRAILS SHALL BE PROVIDED TO SURROUND UNATTENDED EXCAVATIONS ON RAILROAD RIGHT-OF-WAY PER OSHA STANDARD NUMBER 1926.502 AS FOLLOWS:

a. THE GUARDRAIL HEIGHT SHALL BE AT LEAST 42 INCHES ABOVE THE WALKING SURFACE.

b. THE SMALLEST DIMENSION FOR OPENINGS IN THE GUARDRAIL SHALL BE NO GREATER THAN 19 INCHES.

c. GUARDRAIL SYSTEMS SHALL BE CAPABLE OF WITHSTANDING, WITHOUT FAILURE, A FORCE OF AT LEAST 200 POUNDS APPLIED WITHIN 2 INCHES OF THE TOP EDGE, IN ANY OUTWARD

OR DOWNWARD DIRECTION, AT ANY POINT ALONG THE TOP EDGE OF THE GUARDRAIL.

COMPACTION REQUIREMENTS FOR EXCAVATION WORK WITHIN UPRR RIGHT-OF-WAY:

a. THE BACKFILL SHALL PREFERABLY BE PLACED IN LOOSE LAYERS NOT TO EXCEED 8 INCHES IN THICKNESS. EACH LAYER SHALL BE COMPACTED BEFORE PLACING THE NEXT, BUT

OVER COMPACTION SHALL BE AVOIDED.

b. IT IS REQUIRED THAT BACKFILL BE COMPACTED TO NO LESS THAN 95% OF MAXIMUM DRY DENSITY AT A MOISTURE CONTENT WITHIN 2% OF OPTIMUM AND TESTED USING MODIFIED

PROCTOR ASTM D1557.

c. FILL WITHIN 100 FEET OF BRIDGE ENDS OR 20 FEET OUTSIDE CULVERTS SHALL BE PLACED AND COMPACTED TO NOT LESS THAN 100% OF MAXIMUM.

d. NO DUMPING OF BACKFILL MATERIAL SHALL BE PERMITTED IN SUCH A WAY THAT THE SUCCESSIVE LAYERS SLOPE DOWNWARD TOWARD THE WALL. THE LAYERS SHALL BE

HORIZONTAL OR SHALL SLOPE DOWNWARD AWAY FROM THE WALL.

CONNECT TO

EX. PIPELINE

AND BACKFILL

MATERIAL IN BASE OF

POND TO BE REMOVED

AND USED AS BACKILL

IN ERODED AREAS.

EXPOSED UTILITIES

APPROVED

Oct. 03 2025

1:46:32 PM

Docusign Envelope ID: 4DC64629-C25C-486F-928B-FAD0BFDE5047

AutoCAD SHX Text | KellyHafner | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\NT_Notes And Special Provisions C25016.dwg | KellyHafner | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\NT_Notes And Special Provisions C25016.dwg | | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\NT_Notes And Special Provisions C25016.dwg | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\NT_Notes And Special Provisions C25016.dwg | | 9/25/2025 2:33 PM | |

ST

EX

IS

TI

N

G C

O N

D

IT

IO

N

S

D

EM

O P

LA

N

1" = 80' N/A

DM01

0 80' 160'

SCALE: 1" = 80'

40'00

LEGEND

UTILITIES

EX. CULVERT (CMP)

UG ELECTRICAL LINE

UG FIBER OPTIC LINE

UG TELECOM LINE

EX. UPRR ROW

NOTES

1. EXISTING UNDERGROUND AND OVERHEAD

PUBLIC AND PRIVATE UTILITIES AS SHOWN

ARE INDICATED ACCORDING TO THE BEST

INFORMATION AVAILABLE TO THE ENGINEER.

2. THE CONTRACTOR SHALL PROTECT ALL

EXISTING FEATURES THAT ARE NOT TO BE

REMOVED ADJACENT TO THE CONSTRUCTION

AREA INCLUDING, BUT NOT LIMITED TO,

PAVEMENT, PRIVATE FENCES, ABOVE GROUND

OR UNDERGROUND UTILITIES, STRUCTURES,

AND UNDERGROUND FOUNDATIONS. THE

CONTRACTOR SHALL BE RESPONSIBLE FOR

ANY DAMAGE THAT SHOULD OCCUR TO ANY

ON-SITE, OFF-SITE, PUBLIC OR PRIVATE

FACILITY OR FEATURE AS A RESULT OF THE

CONSTRUCTION PROCESS FOR THIS PROJECT.

3. SEE NOTES SHEET FOR SURVEYING AND

RESTORATION REQUIREMENTS.

DEMOLITION

LIMITS OF DISTURBANCE

EX. LANDSCAPED AREA

FOR RESTORATION

PR

EP

AR

ED

F O

R

JOB NUMBER

SHEET NUMBER

SHEETSOF

D

AT

E

SU

BM

IT

TE

D

Th e en gi ne er p re pa rin g th es e pl an s w ill no t b e re sp on si bl e fo r, or li ab le fo r, un au th or iz ed c ha ng es to o r u se s of th es e pl an s.

A ll ch an ge s to th e pl an s m us t b e in w rit in g an d m us t b e ap pr ov ed b y th e pr ep ar er o f t he se p la ns

NO

BY

DA

TE

CAUTION

RE

VI

SI

O

NS

VERTICAL:

HORIZONTAL:

SCALE

1807 Capitol Avenue Suite 108

Cheyenne, WY 82001

(307) 514-1012

CivilWorxeng.com

C H

R

IS

TE

N

SE

N

R O

AD

D

ET

EN

TI

O

N E

R O

SI

O

N M

IT

IG

AT

IO

N P

LA

N

S

C25016

C

IT

Y O

F C

H

EY

EN

N

E 9/

/2

CONSTRUCTION

DOCUMENTS

CW

X 8/

/2

CI

TY

C O

M M

EN

TS

D

ES

IG

N

RE

FI

NE

M

EN

TS

CW

X 9/

/2

CI

TY

C O

M M

EN

TS

FI

NA

L

RE

FI

NE

M

EN

TS

EX-CONC

EX-LS

X-LS

EX-STM

UGT

FO

BE

EXISTING CONDITIONS AND REMOVAL PLAN KEY NOTES

(PROTECT IN PLACE)

EXISTING CONCRETE PVMTS

EXISTING LANDSCAPED AREAS TO REMAIN, INCLUDE

GRAVEL AND WEED BARRIER, SOD, AND SPRINKLER

DEMOLITION - LIMITED DISTURBANCE OF EX. LANDSCAPED

AREA FOR NEW UTILITY INSTALLATION (SEE HYDRONIC

PLANS), RESTORE PRE-PROJECT LANDSCAPE COVERING

OR AS DIRECTED BY IMAGE NOTES THIS SHEET

SALVAGE EXISTING RIPRAP AND RE-USE ONSITE.

EXISTING CULVERT (CMP)

EXISTING ELECTRICAL

EXISTING FIBER OPTIC

EXISTING TELECOM

EX-LS

X-LS

EX-CONC

EX-BE

EX-FO

EX-UGT

EX-STM

EX-RR

EX-RR

AREA FOR

CLEANUP

APPROVED

Oct. 03 2025

2025 M icrosoft Corporation © 2025 M axar © CNES (2025) Distribution Airbus DS ©

2025 TM

AP M

OBILITY Earthstar Geographics SIO © 2025 Tom

Tom

2025 Zenrin

2025 M icrosoft Corporation © 2025 M axar © CNES (2025) Distribution Airbus DS ©

2025 TM

AP M

OBILITY Earthstar Geographics SIO © 2025 Tom

Tom

2025 Zenrin

STM D

STA 13+26.52

N: 235782.91 E: 781905.36

STM C

STA 12+88.26

N: 235750.91 E: 781884.57

38.16 LF 42" HDPE @ 4.62%

136.99 LF 42" HDPE @ 4.50%

20.00 LF 42" HDPE @ 2.05%

20.00 LF 42" HDPE @ 6.52%

R400'

ST

P1-5

STA 14+26.60

N: 235880.62 E: 781925.72

STA: 14+61.90

N: 235915.87 E: 781927.14

UTILITY XING - UGT

STA: 15+26.61

N: 235980.27 E: 781921.48

CONNECT TO EX. CMP

STA: 13+91.99

N: 235846.28 E: 781921.52

UTILITY XING - FO

STA: 12+70.57

N: 235736.32 E: 781874.59

UTILITY XING - BE

STA: 12+64.34

N: 235731.14 E: 781871.11

UTILITY XING - BE

9+50 10+00 11+00 12+00 13+00

14+00

15+00

+76

STM B

STA 11+51.28

N: 235637.25 E: 781808.11

PR_Storm PROFILE

SCALE: (H) 1" = 50' (V) 1" = 5'

START STA: 9+50.00, END STA: 16+00.00

9+50 10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15+50 16+00

ST

M

E

ST

A

+2 6.

R

IM

2.

7±

IN

V.

O

U T

.9

(S

ST

M

D

ST

A

+2 6.

R

IM

8.

9±

IN

V.

IN

0.

(N

IN

V.

O U

T

.5

(S

W

ST

M

C

ST

A

+8 8.

R

IM

8.

6±

IN

V.

IN

4.

(N E)

IN

V.

O U

T

.8

(S

W

ST

M

B

ST

A

+5 1.

R

IM

2.

4±

IN

V.

IN

8.

(N E)

38.16 LF 42" HDPE @ 4.62%

136.99 LF 42" HDPE @ 4.50%

P1 -5

ST

A

+2

6.

R

IM

0.

3±

IN

V.

IN

6.

(N

IN

V.

O

U T

.4

(S

100 LF 42" HDPE @ 2.05% (20' SEGMENTS)

100 LF 42" HDPE @ 6.52% (20' SEGMENTS)

ST

A:

4+

.7

T.

O

.P

7.

4"

T

EL

EC

O

M

ST

A:

3+

.1

T.

O

.P

2.

4"

F

IB

ER

O

PT

IC

ST

A:

2+

.5

T.

O

.P

0.

4"

E

LE

C

TR

IC

AL

ST

A:

2+

.8

T.

O

.P

0.

4"

E

LE

C

TR

IC

AL

PROPOSED GROUND

EXISTING GROUND

42" STEEL-HDPE COUPLER

SEE ENERGY

DISSIPATER DETAIL

SHEET DT01

UPRR ROW

DAYLIGHT

TO POND

ST

O

R M

P

LA

N

P R

O

FI

LE

1" = 10' N/A

SD01

0 80' 160'

SCALE: 1" = 80'

40'00

NOTE:

- STORM PIPE MATERIAL SHALL BE ADS HP STORM DUAL

WALL, ADS SANITITE HP DUAL WALL OR AN

ALTERNATIVE OF ADS SANITITE HP TRIPLE WALL PIPE.

- ALL JOINTS REQUIRE A SPLIT COUPLER.

- STATION 14+00 TO CONNECTION USE E-80 TRENCHING

AND INSTALL DETAIL, USE EMBANKMENT BACKFILL

MATERIAL TO TOP OF FINISHED GRADE.

- SEE DT01 FOR ADDITIONAL NOTES AND DETAILS.

PR

EP

AR

ED

F O

R

JOB NUMBER

SHEET NUMBER

SHEETSOF

D

AT

E

SU

BM

IT

TE

D

Th e en gi ne er p re pa rin g th es e pl an s w ill no t b e re sp on si bl e fo r, or li ab le fo r, un au th or iz ed c ha ng es to o r u se s of th es e pl an s.

A ll ch an ge s to th e pl an s m us t b e in w rit in g an d m us t b e ap pr ov ed b y th e pr ep ar er o f t he se p la ns

NO

BY

DA

TE

CAUTION

RE

VI

SI

O

NS

VERTICAL:

HORIZONTAL:

SCALE

1807 Capitol Avenue Suite 108

Cheyenne, WY 82001

(307) 514-1012

CivilWorxeng.com

C H

R

IS

TE

N

SE

N

R O

AD

D

ET

EN

TI

O

N E

R O

SI

O

N M

IT

IG

AT

IO

N P

LA

N

S

C25016

C

IT

Y O

F C

H

EY

EN

N

E 9/

/2

CONSTRUCTION

DOCUMENTS

CW

X 8/

/2

CI

TY

C O

M M

EN

TS

D

ES

IG

N

RE

FI

NE

M

EN

TS

CW

X 9/

/2

CI

TY

C O

M M

EN

TS

FI

NA

L

RE

FI

NE

M

EN

TS

UTILITIES

EX. CULVERT (CMP)

UG ELECTRICAL LINE

UG FIBER OPTIC LINE

UG TELECOM LINE

PROPOSED STORM (HDPE)

EX. UPRR ROW

100-YR HGL

10-YR HGL

NOTES

1. EXISTING UNDERGROUND AND OVERHEAD

PUBLIC AND PRIVATE UTILITIES AS SHOWN

ARE INDICATED ACCORDING TO THE BEST

INFORMATION AVAILABLE TO THE ENGINEER.

2. THE CONTRACTOR SHALL PROTECT ALL

EXISTING FEATURES THAT ARE NOT TO BE

REMOVED ADJACENT TO THE CONSTRUCTION

AREA INCLUDING, BUT NOT LIMITED TO,

PAVEMENT, PRIVATE FENCES, ABOVE GROUND

OR UNDERGROUND UTILITIES, STRUCTURES,

AND UNDERGROUND FOUNDATIONS. THE

CONTRACTOR SHALL BE RESPONSIBLE FOR

ANY DAMAGE THAT SHOULD OCCUR TO ANY

ON-SITE, OFF-SITE, PUBLIC OR PRIVATE

FACILITY OR FEATURE AS A RESULT OF THE

CONSTRUCTION PROCESS FOR THIS PROJECT.

APPROVED

Oct. 03 2025

BEBE

ST

17+50

18+00

18+50

19+00

19+50

20+00

20+50

21+00

44.78FG

46.44FG

46.00FG

44.63FG

44.50FG

43.35FG

44.64FG

46.25FG

47.79FG

47.31FG

45.94FG

45.27FG

17+50

0 200-20

18+00

0 20 400-20

18+50

0 200-20

19+00

0 200-20

19+50

0 200-20

20+00

0 200-20

20+50

0 200-20

21+00

0 200-20

R

ES

TO

R

AT

IO

N G

R

AD

IN

G

P

LA

N

1" = 80' N/A

GR01

00 60' 120'

SCALE: 1" = 60'

30'

PERMANENT SLOPE EROSION CONTROL:

PR

EP

AR

ED

F O

R

JOB NUMBER

SHEET NUMBER

SHEETSOF

D

AT

E

SU

BM

IT

TE

D

Th e en gi ne er p re pa rin g th es e pl an s w ill no t b e re sp on si bl e fo r, or li ab le fo r, un au th or iz ed c ha ng es to o r u se s of th es e pl an s.

A ll ch an ge s to th e pl an s m us t b e in w rit in g an d m us t b e ap pr ov ed b y th e pr ep ar er o f t he se p la ns

NO

BY

DA

TE

CAUTION

RE

VI

SI

O

NS

VERTICAL:

HORIZONTAL:

SCALE

1807 Capitol Avenue Suite 108

Cheyenne, WY 82001

(307) 514-1012

CivilWorxeng.com

C H

R

IS

TE

N

SE

N

R O

AD

D

ET

EN

TI

O

N E

R O

SI

O

N M

IT

IG

AT

IO

N P

LA

N

S

C25016

C

IT

Y O

F C

H

EY

EN

N

E 9/

/2

CONSTRUCTION

DOCUMENTS

CW

X 8/

/2

CI

TY

C O

M M

EN

TS

D

ES

IG

N

RE

FI

NE

M

EN

TS

CW

X 9/

/2

CI

TY

C O

M M

EN

TS

FI

NA

L

RE

FI

NE

M

EN

TS

GEOTEXTILE TURF REINFORCEMENT MAT (TRM):

MIRAFI (SOLOREX) PROPEX LANDLOK 435 OR APPROVED EQUAL

COVERAGE AREA: 8,700 SF (966 SY)

x10% (OVERLAP ESTIMATE)

9,570 SF MIN. COVERAGE

CONTRACTOR TO VERIFY BASED ON FIELD CONDITIONS AND

FEEDBACK FROM THE ENGINEER AND OWNER PRIOR TO ORDERING

MATERIALS. TRM TO BE COVERED WITH 6" TOPSOIL AND RESEEDED.

TRM LOCATION

(ON FLATTER DOWNSLOPE)

LEGEND

UTILITIES

EX. CULVERT (CMP)

UG ELECTRICAL LINE

UG FIBER OPTIC LINE

UG TELECOM LINE

NOTES

1. EXISTING UNDERGROUND AND OVERHEAD

PUBLIC AND PRIVATE UTILITIES AS SHOWN

ARE INDICATED ACCORDING TO THE BEST

INFORMATION AVAILABLE TO THE ENGINEER.

2. THE CONTRACTOR SHALL PROTECT ALL

EXISTING FEATURES THAT ARE NOT TO BE

REMOVED ADJACENT TO THE CONSTRUCTION

AREA INCLUDING, BUT NOT LIMITED TO,

PAVEMENT, PRIVATE FENCES, ABOVE GROUND

OR UNDERGROUND UTILITIES, STRUCTURES,

AND UNDERGROUND FOUNDATIONS. THE

CONTRACTOR SHALL BE RESPONSIBLE FOR

ANY DAMAGE THAT SHOULD OCCUR TO ANY

ON-SITE, OFF-SITE, PUBLIC OR PRIVATE

FACILITY OR FEATURE AS A RESULT OF THE

CONSTRUCTION PROCESS FOR THIS PROJECT.

3. EXISTING SIDEWALKS AND DRIVEWAY SLABS

SHALL BE REMOVED TO THE NEAREST FULL

JOINT.

4. CONTRACTOR SHALL COORDINATE ALL

CONSTRUCTION NEEDS IMPACTING ACCESS

TO EXISTING BUILDINGS PRIOR TO CLOSING.

FENCING AND SIGNAGE DIRECTING

PEDESTRIAN TRAFFIC TO DESIGNATED SHALL

BE REQUIRED DURING CONSTRUCTION.

5. NEW HYDRONIC PIPING AND INSULATION

UNDER EX. PAVERS CANNOT BE REMOVED.

USE CAUTION AND PROVIDE SUPPORT WHEN

POTHOLING UNDER AND EXCAVATING NEAR.

SEE SD01 FOR POTHOLING OF EXISTING

UTILITIES FOR BID ALTERNATIVE STORM

SEWER FOR ADDITIONAL INFORMATION.

6. SEE NOTES SHEET FOR SURVEYING AND

RESTORATION REQUIREMENTS.

7. DIGITAL SURVEY INFORMATION FOR TARGET

RESTORATION GRADING CAN BE PROVIDED AT

THE REQUEST OF THE CONTRACTOR.

FINISH GRADE SURFACE

WASHOUT SURFACE

EX. UPRR ROW

EXTEND TRM UNDER

ENERGY DISSIPATER

PROPOSED

GRADE

EXISTING

GRADE

PROPOSED

STORM SEWER

RESTORE AREA

(APPROX 5,500 SY)

TO CONTOUR

ELEVATIONS SHOWN

APPROVED

Oct. 03 2025

D D

' (V

AR

IE

S)

2-L

AY

ER

S

D (M

IN

RE: GRADING

PLAN

8'

PRECAST

FLARED

END SECTION

TRM MAT UNDER

RIPRAP

(TYP.)

CULVERT OUTFALL ENERGY DISSIPATER DETAIL

RIPRAP (TYP.)

SEE TABLE R.1

FOR d-50 CLASS

SEE PROFILE

FOR INVERT

5' 6' 5' 8'

1'

MI

N.

3-LAYERS

EXTEND (ALL SIDES)

TRM MAT 4' MIN. PAST

EDGE OR RIPRAP

(TYP.)

C O

N

ST

R U

C

TI

O N

D

ET

AI

LS

N/A N/A

DT01

PR

EP

AR

ED

F O

R

JOB NUMBER

SHEET NUMBER

SHEETSOF

D

AT

E

SU

BM

IT

TE

D

Th e en gi ne er p re pa rin g th es e pl an s w ill no t b e re sp on si bl e fo r, or li ab le fo r, un au th or iz ed c ha ng es to o r u se s of th es e pl an s.

A ll ch an ge s to th e pl an s m us t b e in w rit in g an d m us t b e ap pr ov ed b y th e pr ep ar er o f t he se p la ns

NO

BY

DA

TE

CAUTION

RE

VI

SI

O

NS

VERTICAL:

HORIZONTAL:

SCALE

1807 Capitol Avenue Suite 108

Cheyenne, WY 82001

(307) 514-1012

CivilWorxeng.com

C H

R

IS

TE

N

SE

N

R O

AD

D

ET

EN

TI

O

N E

R O

SI

O

N M

IT

IG

AT

IO

N P

LA

N

S

C25016

C

IT

Y O

F C

H

EY

EN

N

E 9/

/2

CONSTRUCTION

DOCUMENTS

CW

X 8/

/2

CI

TY

C O

M M

EN

TS

D

ES

IG

N

RE

FI

NE

M

EN

TS

CW

X 9/

/2

CI

TY

C O

M M

EN

TS

FI

NA

L

RE

FI

NE

M

EN

TS

APPROVED

Oct. 03 2025

1:46:32 PM

Docusign Envelope ID: 4DC64629-C25C-486F-928B-FAD0BFDE5047

AutoCAD SHX Text

NOT TO SCALE

| KellyHafner | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/25/2025 2:39 PM |KellyHafner | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/25/2025 2:39 PM | | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/25/2025 2:39 PM |D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/25/2025 2:39 PM | | 9/25/2025 2:39 PM |9/25/2025 2:39 PM | |

C O

N

ST

R U

C

TI

O N

D

ET

AI

LS

N/A N/A

DT02

PR

EP

AR

ED

F O

R

JOB NUMBER

SHEET NUMBER

SHEETSOF

D

AT

E

SU

BM

IT

TE

D

Th e en gi ne er p re pa rin g th es e pl an s w ill no t b e re sp on si bl e fo r, or li ab le fo r, un au th or iz ed c ha ng es to o r u se s of th es e pl an s.

A ll ch an ge s to th e pl an s m us t b e in w rit in g an d m us t b e ap pr ov ed b y th e pr ep ar er o f t he se p la ns

NO

BY

DA

TE

CAUTION

RE

VI

SI

O

NS

VERTICAL:

HORIZONTAL:

SCALE

1807 Capitol Avenue Suite 108

Cheyenne, WY 82001

(307) 514-1012

CivilWorxeng.com

C H

R

IS

TE

N

SE

N

R O

AD

D

ET

EN

TI

O

N E

R O

SI

O

N M

IT

IG

AT

IO

N P

LA

N

S

C25016

C

IT

Y O

F C

H

EY

EN

N

E 9/

/2

CONSTRUCTION

DOCUMENTS

CW

X 8/

/2

CI

TY

C O

M M

EN

TS

D

ES

IG

N

RE

FI

NE

M

EN

TS

CW

X 9/

/2

CI

TY

C O

M M

EN

TS

FI

NA

L

RE

FI

NE

M

EN

TS

APPROVED

Oct. 03 2025

1:46:33 PM

Docusign Envelope ID: 4DC64629-C25C-486F-928B-FAD0BFDE5047

| KellyHafner | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/16/2025 3:17 PM |KellyHafner | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/16/2025 3:17 PM | | D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/16/2025 3:17 PM |D:\Civilworx\CivilWorx Dropbox\CivilWorx\Projects\2025\C25016 - Lowes Detention Restoration\04_Drawings\AutoCAD\Construction Sheets\DT_Details Sheet 25016.dwg | 9/16/2025 3:17 PM | | 9/16/2025 3:17 PM |9/16/2025 3:17 PM | |