B08_Section_J_Attachment_07_Appendix_D.pdf

KNIFE RIVER ELBEE BEND BANK STABILIZATION

KNRI 257081

APPENDIX D

- Draft 402 ND DEQ SWPPP (Storm Water Pollution Prevention Plan)

- Mercer County Road Approach Permit Application Elbee Bend Bank Stabilization Project, Knife River Indian Villages National Historic Site, Stanton, ND.

Site Inspection Record Template 1 of 2 Construction (07-2010)

Project Name:

Coverage Number:

Inspector: Date: Time:

Precipitation Amount: Date:

Areas Inspected (Choose Applicable): Active areas

Stabilized areas with less than 70% cover

Areas that have achieved final stabilization

Is there evidence of, or the potential for, pollutants entering drainage systems or waters of the state from:

Material Storage Areas Y N

Vehicle Maintenance Areas Y N

Observations / Corrective Actions:

Y N

Have all erosion and sediment controls and best management practices identified in the plan been installed or implemented?

Y N Are erosion and sediment controls operating correctly and in serviceable condition?

Y N Are erosion and sediment controls operating consistently and effectively?

Y N Are there any devices similar to silt fence or fiber rolls where sediment has reached more than 1/3 the height of the device? (Removal and repairs must be made within 24 hours.)

Y N Are there any sediment basins where collected sediment has reduced the storage capacity by 1/2? (Drainage and removal must be completed within 72 hours.)

Y N Is there evidence of sediment deposits in surface waters, drainage ditches or other stormwater conveyance systems? (Removal and stabilization must be completed within 7 days unless prohibited by legal, regulatory or physical access constrains. All reasonable efforts must be made to obtain access. Once permission is granted, removal must take place within 7 days.)

Y N NA Is there evidence of sediment being tracked off-site by vehicles or equipment? (Sediment tracked or deposited on paved surfaces must be removed within 24 hours.)

Y N Is there evidence of sediment depositing off-site other than in surface waters, drainage ditches and stormwater conveyance systems? (Sediment must be recovered in a manner and frequency sufficient to minimize off-site impacts – for example, sediment could wash away during the next precipitation event.)

Y N NA

Is stormwater flow distributed evenly over vegetative buffers?

Is sediment accumulating in vegetative buffers?

Are rills forming within vegetative buffers?

(If vegetative buffers are silted covered, contain rills or are otherwise rendered ineffective, other erosion and sediment controls must be implemented. Eroded areas must be repaired and stabilized.)

Y N Are litter, debris, chemicals and parts being managed properly to minimize stormwater pollution?

Y N Are liquid or soluble materials like oil, fuel, paint, etc., properly stored to prevent spills, leaks or other discharges?

Site Inspection Record Template 2 of 2 Construction (07-2010)

Y N Is there evidence of concrete wash water discharging to waters of the state, storm sewer systems or onto adjacent properties?

Y N Is there evidence of wastewater from processing operations or sanitary facilities (i.e., portable toilets) discharging from the site?

(These types of discharges are not covered by the construction general permit, NDR10-0000. They must be stopped immediately if they are not covered by another type of permit. The following non-stormwater discharges are allowable if the appropriate prevention measures are in place: fire-fighting, fire hydrant flushing, potable water line flushing, infrequent building and equipment wash down without detergents, uncontaminated foundation drains, springs, lawn watering and air conditioning condensate. Please note that discharges from temporary dewatering activities, such as hydrostatic testing or disinfection of new pipelines may require coverage under the temporary dewatering general permit, NDG07-0000.)

Y N Is there evidence of wash water from tools or equipment draining to waters of the state, drainage ditches or storm sewer systems?

Are permanent stormwater management measures (e.g., oil-water separators, rain gardens) functioning properly?

Corrective Actions and Schedule:

Are best management practices effective to minimize the discharge Y N of sediment from the site?

Do best management practices need to be adjusted? Y N

Are additional best management practices needed? Y N

Comments:

List all spills, leaks or hose-breaks that have occurred since the last inspection:

-Size -Location -Was it reportable? -Was it reported?

Y N Y N

Y N Y N

Y N Y N

Were Spill Prevention Procedures adequate? Y N

What Spill Response Procedures were used?

Comments

Has the SWPP Plan been updated as a result of this inspection? Y N

Has the Site Map been updated as a result of this inspection? Y N

Primary Access Road

Secondary Access Road

N D

H W

Y

CO

U

N

TY

R O

AD

Disclaimer: This document has been prepared based on information provided by others as cited in the Notes section. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.

Client/Project

Figure No.

Project Location

Title

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_K ni fe R iv er

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R iv er .a pr x

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Temporary Impacts (0.45 acres)

Permanent Impacts (1.00 acres)

Palustrine Wetland Impacts

Temporary Impacts (2.17 acres)

Permanent Impacts (0.94 acres)

Riverine Wetland Impacts

Proposed Palustrine Wetland (1.63 acres)

Proposed Riverine Wetland (3.16 acres)

Field Delineated Riverine Wetland (3.11 acres)

Field Delineated Palustrine Wetland (1.45 acres)

Staging Area

Limits of Disturbance

Legend

Notes

1. Coordinate System: NAD 1983 StatePlane North Dakota South FIPS 3302 Feet

2. Data Sources: Stantec

3. Background: World Imagery 2021

(At original document size of 8.5x11) 1:2,895

0 150 300 Feet

Prepared by SM on 2024-10-02 TR by CH on 2024-10-02 IR by PM on 2024-10-02Mercer County, ND

203723967

KNRI 257081 - Elbee Bend Riverbank Stabilization Wetland Statement of Findings

Proposed Project Components, Impacts, and Mitigation

NOTICE OF TERMINATION TO CANCEL COVERAGE UNDER

NDPDES GENERAL PERMIT FOR STORM WATER DISCHARGES

ASSOCIATED WITH CONSTRUCTION ACTIVITY (NDR11-0000)

NORTH DAKOTA DEPARTMENT OF ENVIRONMENTAL QUALITY

DIVISION OF WATER QUALITY

SFN 19146 (12/21) FOR DEPT. USE ONLY

GENERAL INFORMATION

Name of Construction Project Permit ID Number

Name of Owner of Construction Project Contact Person Name Contact Telephone Number

Mailing Address City State/Province Zip Code

Owner Email Address

Indicate which condition has been met before submitting the NOT.

If another operator/permittee has assumed control in accordance with the transfer provision (Part I(F) of the permit over all areas of the site that have not achieved final stabilization please file a Notice of Transfer/Modification Form (SFN 54242)).

The site has achieved final stabilization. In order to achieve final stabilization, one of the following conditions must be met. Please indicate which condition has been met.

All soil disturbing activities are complete and all soils are stabilized by a uniform perennial vegetative cover with a density of 70 percent of the pre-existing cover over the entire pervious surface area, or other equivalent means necessary to prevent soil failure under erosive conditions and;

i. All drainage ditches which drain water from the site have been stabilized;

ii. All temporary erosion prevention and sediment control BMPs (e.g., silt fence) have been removed; and

iii. All sediment has been removed from conveyances and temporary sediment basins used for permanent water quality management, and the sediment has been stabilized. The clean out of permanent basins must be sufficient to return the basin to design capacity.

For areas with an average annual rainfall of less than 20 inches, all soil disturbing activities at the site have been completed and erosion control measures and stabilization methods have been selected, designed and installed along with an appropriate seed base to provided erosion control for three years and achieve 70 percent vegetative coverage within three (3) years without active maintenance. Sites must meet the conditions above.

Disturbed areas on land used for agricultural purposes that are restored to their pre-construction agricultural use are not subject to these final stabilization criteria. If the construction activity removed standing crop, the area must be restored in accordance with the landowner.

Areas disturbed that were not previously used for agricultural activities, such as buffer strips immediately adjacent to waters of the state, and areas which are not being returned to their pre-disturbance use must meet the final stabilization criteria above.

For residential construction, all lots have been sold with temporary erosion protection and down gradient perimeter controls installed; a homeowner fact sheet has been given to the homeowner(s); and all other lots have achieved final stabilization.

Date Received: ____/____/_____

I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gathered and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.

Printed Name of Owner Title

Signature of Owner Date

CERTIFICATION STATEMENT

Return Completed Form to:

North Dakota Dept. of Env. Quality Division of Water Quality, 3rd floor 4201 Normandy Street Bismarck, ND 58503-1324

Telephone: 701.328.5210

Knife River Elbee Bend Bank Stabilization NDR1

National Park Service Thomas Smith (505) 240-0336

PO Box 9 Stanton ND 58571 tom_smith@nps.gov

Stantec Consulting Services Inc.

3325 South Timberline Road, 2nd Floor Fort Collins CO 80525-3681

January 17, 2025

Project/File: KNRI 257081 - Elbee Bend Riverbank Stabilization

NPS, DSC-Design & Construction

12795 W. Alameda Pkwy

P.O. Box 25287

Denver CO 80225-0287

Greetings Kris Neset, Reference: Knife River 257081 Elbee Bend Section 402 Permit Submittal

Stantec has prepared draft documents for the awarded Contractor to review and submit to the North Dakota Department of Environmental Quality (DEQ) Water Quality Division (WQD). The Contractor is responsible for preparing, obtaining, and complying with the General Construction Stormwater Permit (NDR10-0000) for the Knife River Elbee Bend Riverbank Stabilization Project. The documents in the CDs (specifically Sheets 3, 6-7) and those included in the transmittal are intended to serve as supplemental information.

There are specific nuances associated with this permit, such as the review of the North Dakota Department of Health's Surface Water Program 303(d) list of impaired water bodies, Total Maximum Daily Loads (TMDLs), and soil maps. These factors necessitate certain considerations in the design of minimum best management practices (BMPs) to be incorporated into the project design.

The following information is included for your review and acceptance to include in the final CDs:

• Notice of Intent (NOI) with Project information filled out,

• Draft Stormwater Pollution Protection Plan (SWPPP) using the ND DEQ WQD’s template,

• ND DEQ WQD’s template Inspection Records included so the Contractor knows what information must be documented and submitted to NPS for compliance documentation, and

• Notice of Termination (NOT) with Project information filled out.

Should you have questions, please do not hesitate to contact me.

Respectfully, STANTEC CONSULTING SERVICES INC.

Pamela Massaro Project Manager Phone: (970) 893-4807

January 16, 2025 NPS, DSC-Design & Construction

Reference: Knife River 257081 Elbee Bend Section 404 Permit Submittal

Pamela.massaro@stantec.com

Attachment: As documented in letter cc: Thomas W. Smith (NPS) Tom_Smith@nps.gov Julie Lawson (NPS) julie_lawson@nps.gov Chuck Herrmann (Stantec) Chuck.Herrmann@stantec.com Patrick Philbin (Stantec) Patrick.Philbin@stantec.com

1. Name of Owner of Construction Project 2. Contact First Name 3. Contact Last Name 4. Contact Telephone Number

5. Contact E-mail Address 6. Mailing Address

7. City 8. State/Province 9. Zip Code

10. Name of Operator Working at Site 11. Contact First Name 12. Contact Last Name 13. Contact Telephone Number

14. Contact E-mail Address 15. Mailing Address

16. City 17. State/Province 18. Zip Code

19. Name of Construction Project

20. Brief Description of Construction Activity

21. Project Start Date 22. Estimated Completion Date 23. Estimated Total Acres of Site 24. Estimated Acres of Disturbance

Project Location

25. Physical Address 26. City

27. Township 28. Range 29. Section 30. Quarter Section (ABCD Format) 31. County

32. Latitude (Decimal Degrees) 33. Longitude (Decimal Degrees)

Receiving Waters

34. Name of Municipal Storm Sewer System or Description of Receiving Water

35. A SWPPP must be prepared and available for review at the time of application. You are not required to submit the SWPPP with the application unless otherwise notified by the department. The SWPPP must be completed prior to the start of construction (or the applicable construction phase).

Please refer to Part I(D)(2)(c) of the permit.

PRINT AND SEND COMPLETED

APPLICATION WITH "WET" INK

North Dakota Dept. of Env. Quality Division of Water Quality, 3rd Floor 4201 Normandy Street Bismarck, ND 58503-1324

AFTER SUBMITTING BY E-MAIL

SIGNATURE TO:

Telephone: (701) 328-5210

I certify under penalty of law that I have personally examined and am familiar with the information submitted herein. Based on my inquiry of those individuals immediately responsible for obtaining the information, I believe the submitted information is true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment.

36. Printed Name of Owner(s) 37. Title

38. Signature of Owner(s) 39. Date

40. Printed Name of Operator(s) 41. Title

42. Signature of Operator(s) 43. Date

GENERAL INFORMATION

PROJECT INFORMATION

Date Received

Application Number

NOI ID:

FOR DEPT. USE ONLY

SFN 19145 (03/2024)

DIVISION OF WATER QUALITY

NORTH DAKOTA DEPARTMENT OF ENVIRONMENTAL QUALITY

WITH CONSTRUCTION ACTIVITY (NDR11-0000)

FOR STORMWATER DISCHARGES ASSOCIATED

COVERAGE UNDER NDPDES GENERAL PERMIT

NOTICE OF INTENT TO OBTAIN

National Park Service Thomas Smith 505.240.0336 tom smith@nps.gov 564 County Road 37

Stanton ND 58571

Knife River Elbee Bend Bank Stabilization

Bank stabilization including site preparation, erosion control, temporary river crossing, excavation, installation of rock, grading, material import, stockpiling of excess material, compaction, seeding and restoration.

06/02/2025 06/12/2026 19 18

564 County Road 37 Stanton, ND

145 84 28 DB Mercer

47.3457 -101.38530

Project involves bank stabilization on the Knife River

Submit by E-mail

Print Form

New Project

Instructions Submission of this application is notice that the owner(s) and operator(s) identified on the application intend to discharge stormwater associated from construction activity to waters of the state in accordance with conditions set forth in North Dakota Pollution Discharge Elimination System general permit NDR11-0000.

Permit coverage becomes effective seven (7) days after a complete application is submitted (refer to the Submittal Process section) unless otherwise notified by the department.

General Information

1. Name of Owner of Construction Project. Enter the individual, company, organization or state who owns the property where the construction project is to take place. “Owner” means the person or party possessing the title of the land on which the construction activities will occur; or for a lease holder, the party or individual identified as the lease holder; or the contracting government agency responsible for the construction activity.

2-3. Contact Person. Provide the contact person for the owner. If the contact person is an agent of the owner, such as a consultant, provide this information on a separate page.

4. Contact Phone No. Provide a valid phone number for the contact person. Do not enter dashes or spaces.

5. E-mail Address. Provide a valid e-mail address for the contact.

10. Name of Operator Working at Site (attach additional, if needed). List the operator(s) who will be responsible for the construction activities at the site. The operator is someone who has day to day supervision of construction activities and is jointly responsible with the owner for compliance with the permit conditions as they pertain to the construction activities delegated to the operator.

11-12. Contact Person Name. State the contact person who will be responsible for overseeing construction activities at the site for the operator.

13. Contact Phone No. Provide a valid phone number for the contact person. Do not enter dashes or spaces.

15-18. Mailing Address. Provide a valid mailing address for the operator.

Project Information

19. Name of Construction Project. Provide a descriptive, but brief, name of the construction project. Limit the name to 75 characters.

20. Brief Description of Construction Activity. Provide a brief description of the scope of work for the construction project.

21. Project Start Date. Provide the estimated project start date.

22. Project Completion Date. Provide the estimated project end date, if known. The date provided does not imply that the permit will expire on the projected end date. The permit will be terminated only after a notice of termination is submitted to the department.

23. Estimated Total Area of Site. Enter the estimated acreage of the site/property in acres.

24. Estimated Area of Disturbance. Enter the estimated total acreage of land to be disturbed by construction activity.

25. Physical Address. Enter a physical address if one is available.

For residential construction, do not use a recorded plat survey, such as lot and block number. If a street address it not available, please use an alternative project location description (boxes 27 through 33).

26. City. Enter city in which project is located. If the project is located in a rural area, enter the nearest city.

27-30. Township, Range, Section, Quarter Section. Provide the numerical township, range and section of the construction project.

Provide the quarter section in the ABCD format. See image in next column.

31. County. Provide the county in which the project is occurring.

32-33. Latitude and Longitude. Provide the latitude and longitude in decimal degrees at the center of the site.

34. Municipal Storm Sewer System or Description of Receiving Water. If the project is located within city limits, enter the name of the city along with receiving water of the city storm sewer. Provide the name of the receiving body of water if outside city limits (e.g. Red River, unnamed tributary to Cherry Creek, wetlands, etc.).

Stormwater Pollution Prevention Plan (SWPPP) Requirements

35. As part of the permit, a SWPPP must be developed and available for review at the time of application. You are not required to submit the SWPPP with the application unless otherwise notified by the department. The SWPPP must be completed prior to the start of construction (or the applicable construction phase). Please refer to Part I(D)(2)(c) of the permit.

Signature Information

36-39. Owner Information. The signatory must be a responsible corporate officer, general partner, principal executive officer, or ranking elected official as required in Part IV(6)(a) of the permit number

NDR11-0000.

40-43. Operator Information. The signatory must be a responsible corporate officer, general partner, principal executive officer, or ranking elected official as required in Part IV(6)(a) of the permit number

NDR11-0000.

6-9. Mailing Address. Provide a valid mailing address for the owner.

14. E-mail Address. Provide a valid e-mail address for the contact.

Submittal Process

Click on the "New Project" button if this is a new project being submitted for permit coverage. Once the data fields are filled out, click the "Submit by E-mail" button. This will create an email and attach a xml document to the email. The xml document contains the information entered into each field of the application. To assist with faster processing, please copy and paste the NOI ID into the email subject line of your email.

After the e-mail has been sent, print a paper copy of the application, sign and submit the original copy with the "wet" signature to the department. Failure to do so is considered a violation.

THE ELECTRONIC APPLICATION MUST BE SUBMITTED FIRST.

Paper applications which are received prior to the electronic application being received will be returned. Permit coverage will not be obtained until the electronic application can be paired with a paper application utilizing the NOI ID on the top right of the form. Note: THE NOI ID IS

NOT THE PERMIT COVERAGE NUMBER.

A copy of the NOI may be saved and the NOI ID will remain the same as the submitted NOI. To submit an NOI for a new project, click on the new NOI ID button, update the project information and save as a new file name.

SFN 19145 (03/2024)

NORTH DAKOTA

LOCATION MAP

INTERIM ENGINEERING PRODUCT.

NOT FOR CONSTRUCTION

KNIFE RIVER INDIAN VILLAGES NATIONAL HISTORIC SITE

PROJECT LOCATION

KNIFE RIVER INDIAN VILLAGES N.H.S.

KNIFE RIVER ELBEE BEND BANK STABILIZATION

PMIS NO.: 257081

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OF

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PMIS/PKG NO.

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SHEET

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DRAWING NO.

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STATE

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COUNTY

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NORTH DAKOTA

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KNIFE RIVER INDIAN VILLAGES N.H.S.

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MIDWEST

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REGION

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KNRI 257081

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UNITED STATES

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DEPARTMENT OF THE INTERTIOR

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NATIONAL PARK SERVICE

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DENVER SERVICE CENTER

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CONSTRUCTION DRAWINGS

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QUALITY DESIGN CERTIFICATION

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AutoCAD SHX Text Development Title I___________ OR

AutoCAD SHX Text Variance from Design Development Title I Approved by Superintendent on _________ OR

AutoCAD SHX Text Construction Drawing Not Preceded by Design Development Title I

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MERCER

AutoCAD SHX Text 184187

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STANTON

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LOWER

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HIDATSA

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SITE

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SAKAKAWEA

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SITE

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BIG

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HIDATSA

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SITE

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MISSOURI RIVER

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MERCER

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CO.

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CO.

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KNIFE

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RIVER

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STANTON

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CEMETERY

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HQ.

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MAINTENANCE

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FACILITY

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TO

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(8 MILES)

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TO

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SCALE OF MILES

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BOTTINEAU

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MOHALL

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BOWBELLS

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WATFORD

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CITY

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KILLDEER

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STANTON

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TURTLE

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LAKE

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WILTON

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MANDON

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NEW

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SALEM

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RUGBY

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WILLISTON

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DICKINSON

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BISMARK

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MINOT

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KNIFE RIVER

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INDIAN VILLAGES

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MANITOBA

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CANADA

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NORTH DAKOTA

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UNITED STATES

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SASKATCHEWAN

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LAKE

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SAKAKAWEA

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MISSOURI

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RIVER

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HEART RIVER

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PARKING

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INFORMATION CENTER

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RANGER STATION

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PARK HEADQUARTERS

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VISITOR CENTER

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CREEK OR RIVER

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HQ.

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SITE BOUNDARY

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NATIONAL HISTORIC

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STATE LINE

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COUNTY LINE

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PAVED ROAD

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TRAIL

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LEGEND

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NO SCALE

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AutoCAD SHX Text 12/10/2024 18:32 SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\0_Cover_Sheet.dwg 18:32 SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\0_Cover_Sheet.dwg18:32 SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\0_Cover_Sheet.dwg SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\0_Cover_Sheet.dwg\\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\0_Cover_Sheet.dwg

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KNIFE RIVER ELBEE BEND BANK STABILIZATION

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STANTEC CONSULTING SERVICES INC. -203723967

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CIVIL ENGINEERING: STANTEC CONSULTING SERVICES INC. FORT COLLINS, CO

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SURVEYING: STANTEC CONSULTING SERVICES INC. MANDAN, ND

AutoCAD SHX Text GEOTECHICAL & GEOTECHNICAL ENGINEERING: US ARMY CORPS OF ENGINEERS TERRACON CONSULTANTS INC. STANTEC CONSULTING SERVICES INC.

AutoCAD SHX Text WETLANDS: US ARMY CORPS OF ENGINEERS STANTEC CONSULTING SERVICES INC. FORT COLLINS, CO

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SURVEYING: STANTEC CONSULTING SERVICES INC. MANDAN, ND

pmassaro Line pmassaro Callout Geotechnical pmassaro Line pmassaro Line pmassaro Text Box

* Use red ink pens for marking up items to be added / drawn / plotted.

pmassaro Text Box

* Use blue ink pens for marking up items that are for informational comments only, and aren't intended to be plotted.

pmassaro Text Box

* Use green ink pens for marking things to be erased / deleted.

pmassaro Text Box Add Pat's ND PE Stamp signature and date (blue pen) pmassaro Text Box x pmassaro Text Box Kris D. Neset

GENERAL NOTES:

1.PROJECT SITE IS NOT ACCESSIBLE BY LAND. CONTRACTOR SHALL BE RESPONSIBLE FOR ACCESSING THE SITE FROM A NAVIGABLE WATER BODY.

DREDGING FOR SITE ACCESS SHALL ONLY OCCUR WITHIN THE LIMITS SHOWN ON PLANS.

2.EXISTING UTILITIES SHOWN ARE APPROXIMATE. CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING UTILITY OPERATORS AND NORTH DAKOTA ONE CALL

(1-800-795-0555 OR 811) AT LEAST FIVE WORKING DAYS PRIOR TO MOBILIZATION. ALL PIPELINES AND UNDERGROUND UTILITIES SHALL BE MARKED BY CONTRACTOR. CONTRACTOR SHALL MAINTAIN MARKERS DURING CONSTRUCTION. CONTRACTOR SHALL NOT ANCHOR, SPUD, OR EXCAVATE WITHIN 50

FT OF ANY PIPELINE.

3.PROJECT IS WITHIN AND ADJACENT TO CULTURAL RESOURCES AND ENVIRONMENTALLY SENSITIVE AREAS. CONTRACTOR SHALL AVOID/MINIMIZE IMPACTS TO THESE AREAS DURING THE COURSE OF WORK. OWNER RESERVES THE RIGHT TO SUSPEND WORK AT ANY TIME IF IMPACTS OCCUR UNTIL SATISFACTORY CORRECTIVE MEASURES ARE IMPLEMENTED BY CONTRACTOR. REFER TO SPECIFICATION SECTION 01 35 43 - ENVIRONMENTAL PROCEDURES FOR ADDITIONAL REQUIREMENTS, INCLUDING CONDITIONS TO AVOID IMPACTS TO WILDLIFE AND EXISTING VEGETATION.

4.CONTRACTOR SHALL BE FAMILIAR WITH AND ANTICIPATE EXISTING SOFT SOIL CONDITIONS AT THE WORK SITE. SOIL INVESTIGATION DATA WERE ACQUIRED BY STANTEC AND PRESENTED IN A GEOTECHNICAL DATA REPORT (REFER TO APPENDIX F IN SPECIFICATIONS). IN PREPARING BIDS, CONTRACTOR SHALL ANTICIPATE AVERAGE CONSTRUCTION SETTLEMENTS OF APPROXIMATELY 1.5 FT. REFER TO GRR PLACEMENT REQUIREMENTS ON

THESE DRAWINGS AND IN THE SPECIFICATIONS. (REFER TO NOTE 25)

5.AERIAL PHOTOGRAPH SHOWN ON SHEET 4 IS 2024 MAXAR CNES DISTRIBUTION AIRBUS DS MADE AVAILABLE THROUGH MICROSOFT CORPORATION

AERIAL.

6.CONTRACTOR SHALL TAKE PRECAUTIONS, SECURE EQUIPMENT, AND PROTECT THE WORK AGAINST ADVERSE WEATHER CONDITIONS.

7.CONTRACTOR SHALL STAKE LOCATIONS OF ALL TEMPORARY WARNING SIGNS FOR APPROVAL BY THE GOVERNMENT OR THE GOVERNMENT'S

APPOINTED REPRESENTATIVE PRIOR TO INSTALLATION.

8.THE LIMITS OF ALL CONSTRUCTION SHALL BE MARKED/STAKED FOR CONCURRENCE BY THE GOVERNMENT OR THE GOVERNMENT'S APPOINTED

REPRESENTATIVE PRIOR TO COMMENCING CONSTRUCTION. ADVANCE MARKING/STAKING MAY BE STAGED WITH ACTUAL PROGRESS OF WORK. REFER TO SPECIFICATION SECTION 01 32 23 - CONSTRUCTION SURVEYING FOR ADDITIONAL REQUIREMENTS.

9.CONTRACTOR SHALL OBTAIN WRITTEN NOTICE FROM THE GOVERNMENT FOR ALL ALIGNMENT CHANGES.

10. CONTRACTOR SHALL VERIFY ALL EXISTING CONDITIONS PRIOR TO COMMENCING CONSTRUCTION ACTIVITIES. DISCREPANCIES SHALL BE REPORTED

IMMEDIATELY TO THE GOVERNMENT OR THE GOVERNMENT'S APPOINTED REPRESENTATIVE.

11. THERE ARE STAGING AREAS AVAILABLE ON NPS PROPERTY AS SHOWN ON PLANS. CONTRACTOR SHALL MAKE THEIR OWN ARRANGEMENTS, OBTAIN

PERMISSION FROM APPLICABLE PROPERTY OWNERS, AND PAY ALL ASSOCIATED FEES FOR STAGING, FABRICATION, AND LOADING BARGES AS

APPLICABLE.

12. CONTRACTOR SHALL AVOID CONSTRUCTION ACTIVITIES WITHIN THE DESIGNATED DO NOT DISTURB AREAS.

13. THE CONTRACTOR WILL NEED TO COMPLY WITH LISTED PERMITS/APPROVALS.

14. FEDERAL AND STATE PERMITS ARE REQUIRED TO PERFORM THE WORK SPECIFICATION 01 31 00 PERMITTING PROVIDES A LIST OF GOVERNMENT

FURNISHED PERMITS AND POTENTIAL PERMITS. PERMIT CONDITIONS AFFECTING THE CONSTRUCTION PROCESSES HAVE BEEN INCLUDED IN APPENDIX C

OF THE SPECIFICATIONS.

15. ANY DISCREPANCIES BETWEEN THESE PLANS AND THE CONSTRUCTION DOCUMENTS SHALL BE IMMEDIATELY REPORTED TO THE GOVERNMENT. ALL OTHER REGULATORY AUTHORIZATIONS ARE THE RESPONSIBILITY OF THE CONTRACTOR. COPIES OF ANY SPECIAL PERMITS THAT ARE OBTAINED BY THE

CONTRACTOR MUST BE SUBMITTED TO THE GOVERNMENT.

16. THE CONTRACTOR WILL MAKE EVERY EFFORT TO AVOID AND MINIMIZE DAMAGE TO ANY INFRASTRUCTURE, UTILITIES, AND PRIVATE PROPERTY ADJACENT TO THE PROJECT AREA. ANY DAMAGE SHALL BE REPLACED IN-KIND AND BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR.

17. CONTRACTOR SHALL KEEP JOB SITE FREE OF TRASH AND GARBAGE, AND SHALL IMMEDIATELY COLLECT ANY CONSTRUCTION-RELATED DEBRIS OR

TRASH THAT IS IN OR DIRECTLY ADJACENT TO THE PROJECT SITE.

18. ALL SOIL EROSION CONTROL MEASURES REQUIRED BY THE EROSION CONTROL PLANS SHALL BE PERFORMED PRIOR TO GRADING, CLEARING, OR GRUBBING. ALL EROSION CONTROL DEVICES SUCH AS SILT FENCES, ETC. SHALL BE MAINTAINED IN WORKABLE CONDITIONS FOR THE LIFE OF THE PROJECT AND SHALL BE REMOVED AT THE COMPLETION OF THE PROJECT ONLY AFTER THE OWNER'S APPROVAL.

A. INSPECT ALL EROSION CONTROL MEASURES FOR STABILITY AND OPERATION WEEKLY OR WITHIN 24 HOURS AFTER ANY SIGNIFICANT STORM EVENT.

B. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN THE DEPTH REACHES 0.5 FEET. SEDIMENT SHALL BE DISPOSED OF ON THE PROJECT ONLY IN

PROTECTION AREAS OR HAULED AWAY IF NOT SUITABLE FOR FILL MATERIAL.

C. IF ANY EROSION CONTROL MEASURE IS FOUND TO BE UNSTABLE OR NOT FUNCTIONING PROPERLY, REPAIRS SHOULD BE DONE IMMEDIATELY TO

MAINTAIN MEASURES AS DESIGNED OR AS APPROVED BY THE CONTRACTING OFFICER.

19. THE CONTRACTOR SHALL CONTROL ALL “DUST” BY PERIODIC WATERING AND SHALL PROVIDE ACCESS AT ALL TIMES FOR PROPERTY OWNERS WITHIN

THE PROJECT AREA AND FOR EMERGENCY VEHICLES. ALL OPEN DITCHES AND HAZARDOUS AREAS SHALL BE CLEARLY MARKED IN ACCORDANCE WITH

GOVERNING REGULATORY BODIES.

20. THE CONTRACTOR SHALL ENTER AND EXIT THE SITE VIA THE TEMPORARY CONSTRUCTION ENTRANCES AS DETAILED IN THE DRAWINGS.

21. PREVENT SPILLING OF FUELS, LUBRICANTS, COOLANTS, HYDRAULIC FLUIDS, AND ANY OTHER PETROLEUM PRODUCTS ONTO THE GROUND OR INTO

SURFACE WATERS. DISPOSE OF SPENT FUELS APPROPRIATELY. AS PER LAW, THE CONTRACTOR IS RESPONSIBLE FOR ALL COSTS ASSOCIATED WITH

HAZARDOUS MATERIAL SPILLS INCLUDING REMEDIATION.

22. THE CONTRACTOR IS RESPONSIBLE FOR PROJECT SURVEY INCLUDING STREAM AND STRUCTURE LAYOUT. ALL STAKING WORK SHALL BE DONE BY A

LICENSED SURVEYOR REGISTERED IN THE STATE OF NORTH DAKOTA.

23. FINISHED GRADE TOLERANCES SHALL BE AS NOTED IN THESE PLANS AND THE SPECIFICATIONS. THE CONTRACTING OFFICER MAY MAKE GRADE CHANGES AS REQUIRED IN THE FIELD WITHOUT AFFECTING BID PRICE FOR UNCLASSIFIED EXCAVATION.

24. IN-STREAM WORK SHALL BE CONSTRUCTED FROM THE UPSTREAM WORKING IN THE DOWNSTREAM DIRECTION. CONSTRUCT THE PROPOSED STREAM

CHANNEL TO THE GRADE SPECIFIED.

25. NPS/MWAC WILL CONDUCT THE REQUIRED ARCHEOLOGICAL ACTIVITIES NECESSARY FOR CONSTRUCTION. MWAC WILL CONDUCT ADDITIONAL SURVEYS BEFORE CONSTRUCTION COMMENCEMENT. ALL ACTIVITIES MUST COMPLY WITH MITIGATIONS MEASURES IDENTIFIED DURING SECTION 106 OF

THE NATIONAL HISTORIC PRESERVATION ACT COMPLIANCE.

QUANTITY NOTES:

1. QUANTITIES ARE ESTIMATED QUANTITIES TO BE USED WHEN COMPARING BIDS AND THE RIGHT IS RESERVED BY OWNER TO

INCREASE/DECREASE SUCH QUANTITIES AS MAY BE NECESSARY TO COMPLETE THE WORK AND/OR REMAIN WITHIN THE FUNDING LIMITS.

REFER TO PARAGRAPH 1.41 IN SECTION 01 27 00 - DEFINITION OF CONTRACT LINE ITEMS.

2.MOBILIZATION AND DEMOBILIZATION SHALL INCLUDE ALL APPROPRIATE COSTS ASSOCIATED WITH CONSTRUCTING ALL FEATURES LISTED

IN THE SPECIFICATIONS AND/OR SHOWN IN THE PLANS.

CONSTRUCTION SEQUENCE:

1. THE CONTRACTOR SHALL FOLLOW THE SEQUENCE OF CONSTRUCTION IN ACCORDANCE WITH THE PLANS AND AS

APPROVED BY THE CONTRACTING OFFICER.

2. THE CONTRACTOR SHALL CONDUCT STREAM WORK, INCLUDING INSTALLATION OF EMBANKMENT, GRADING, STABILIZATION MEASURES, AND SEEDING AND MULCHING, ON A SECTION OF STREAM THAT CAN BE ENTIRELY

COMPLETED/STABILIZED IN A SINGLE DAY.

3. THE CONTRACTOR SHALL IDENTIFY THE PROJECT BOUNDARY, LIMITS OF DISTURBANCE, SENSITIVE AREAS, STAGING

AREAS, AND CONSTRUCTION ENTRANCES WITH THE CONTRACTING OFFICER.

4. THE CONTRACTOR SHALL PREPARE STABILIZED CONSTRUCTION ENTRANCES.

5. THE CONTRACTOR SHALL MOBILIZE EQUIPMENT, MATERIALS, PREPARE STAGING AREAS, AND STOCKPILE AREAS.

6. CONSTRUCTION TRAFFIC TO BE LIMITED TO “LIMITS OF DISTURBANCE” AS INDICATED ON THE CONSTRUCTION PLANS

OR AS APPROVED BY THE CONTRACTING OFFICER.

7. THE CONTRACTOR SHALL INSTALL ALL TEMPORARY CHECK DAMS, SILT FENCE, AND MULCHING AROUND ALL

CONSTRUCTION AREAS INCLUDING STAGING AND STOCKPILE AREAS AS INDICATED ON THE CONSTRUCTION PLANS

OR AS APPROVED BY THE CONTRACTING OFFICER.

8. THE CONTRACTOR SHALL INSTALL ALL TEMPORARY STREAM CROSSINGS.

9. IF NEEDED PUMP-AROUND OPERATION SHALL BE USED TO DIVERT FLOW DURING CONSTRUCTION. ALL EXCAVATION

AND FILLING SHALL BE PERFORMED IN A MANOR THAT LIMITS SEDIMENT RELEASE DOWNSTREAM.

10. THE CONTRACTOR SHALL BEGIN CLEARING AND GRUBBING WITHIN THE LOD. THE TOP 6 INCHES OF TOPSOIL

SHALL BE HARVESTED AND STOCKPILED FOR FUTURE USE. EXISTING WETLAND TOPSOIL SHALL BE STOCKPILED SEPARATELY FROM THE UPLAND TOPSOIL. IF COURSE CHANNEL BED MATERIAL IS ENCOUNTERED, THE TOP 6" SHALL BE HARVESTED AND STOCKPILED FOR USE WHEN COMPLETING LOW FLOW CHANNEL FINISHED GRADE.

11. THE CONTRACTOR SHALL BEGIN FLOODPLAIN EXCAVATION AND EMBANKMENT GRADING WORK TO FINISHED GRADE AT THE UPSTREAM END OF THE CHANNEL AS INDICATED ON THE CONSTRUCTION PLANS. THE CONTRACTOR SHALL NOT DISTURB ANY MORE FLOODPLAIN AREA LARGER AND STREAM REACH LONGER THAN CAN BE STABILIZED

IN ONE DAY.

12. ONCE A SECTION OF STREAM AND FLOODPLAIN HAVE BEEN EXCAVATED TO SUB GRADES, EMBANKMENT FILL, ROCK, AND TOPSOIL SHALL BE PLACED TO ACHIEVE FINISHED GRADE. TEMPORARY/PERMANENT SEEDING, MULCHING, AND MATTING SHALL BE INSTALLED ONCE FINISHED GRADE SURFACE IS COMPLETED. TEMPORARY AND PERMANENT SEEDING MIXTURES WILL BE APPLIED AS SHOWN ON THE PLANTING PLAN. TEMPORARY SEEDING WILL BE APPLIED IN ALL AREAS SUSCEPTIBLE TO EROSION SUCH THAT GROUND COVER IS ESTABLISHED WITHIN 7 WORKING DAYS FOLLOWING COMPLETION OF ANY GRADING PHASE. PERMANENT GROUND COVER WILL BE ESTABLISHED FOR

ALL DISTURBED AREAS WITHIN 15 WORKING DAYS FOLLOWING COMPLETION OF CONSTRUCTION.

13. IF EXCESSIVE SEDIMENTATION DOWNSTREAM BECOMES A CONCERN, THE CONTRACTING OFFICER MAY DIRECT THE CONTRACTOR TO INSTALL ADDITIONAL TEMPORARY CONTROL MEASURES DOWNSTREAM. THIS AREA IS TO BE

MAINTAINED ON A REGULAR BASIS BY THE CONTRACTOR.

14. INSTALLATION OF EROSION CONTROL BLANKET AND MATTING ALONG WITH ALL SEEDING AND MULCHING SHALL BE COMPLETED BEFORE LEAVING THE PROJECT SITE ALONG WITH REMOVAL OF ANY TEMPORARY STREAM

CROSSINGS AND TEMPORARY CHECK DAMS.

15. ALL PERMANENT SEEDING SHALL BE PERFORMED DURING THE APPROPRIATE TIME OF YEAR.

16. THE CONTRACTOR SHALL ENSURE THAT THE SITE IS FREE OF TRASH AND LEFTOVER MATERIALS PRIOR TO

DEMOBILIZATION OF EQUIPMENT FROM THE SITE.

EXISTING

CTV

E

CLVT

ELECTRICAL POLE

CTV

BASE STATION

CULVERT

EXISTING KNIFE RIVER CENTERLINE

EXISTING SURVEY LIMITS

X EXISTING FENCE LINE

5105 EXISTING MAJOR CONTOUR

EXISTING MINOR CONTOUR

EXISTING OHWM

EXISTING ROAD EDGES

EXISTING ROAD CENTERLINE

EXISTING WETLANDS

PROPOSED CENTERLINES

PROPOSED STAGING BOUNDARY

TEMPORARY OIL BOOM

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

PROPOSED OHWM

LIMITS OF DISTURBANCE

SHEET EXTENTS OUTLINE

PROPOSED

SF

OWS

TEMPORARY SILT CURTAIN

TEMPORARY SILT FENCE

PROPOSED EROSION CONTROL MATTING

PROPOSED EROSION CONTROL BLANKET

PROPOSED TEMPORARY ACCESS ROAD

PROPOSED WETLANDS

PROPOSED ROCK TOE PROTECTION

PROPOSED LONGITUDINAL PEAK STONE

PROPOSED SOIL RIPRAP

PROPOSED ROCK LINED EMBANKMENT

PROPOSED UPLAND SEEDING

PROPOSED MULCHING AND SEEDING

PROPOSED CULVERTS

LEGEND

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DATE:

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DESIGNED:

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TECH. REVIEW:

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SUB SHEET NO.

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PMIS/PKG NO.

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DRAWING NO.

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SHEET

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OF

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TITLE OF SHEET

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KNIFE RIVER INDIAN VILLAGES N.H.S.

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PTP

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JMM

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JGG

AutoCAD SHX Text 12/13/2024

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AutoCAD SHX Text 257081

AutoCAD SHX Text 184187

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A/E FIRM

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PRIME/CIVIL

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STANTEC

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CONSULTING

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SERVICES INC.

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DENVER, CO

AutoCAD SHX Text 12/16/2024 13:44 SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\02_General_Notes.dwg 13:44 SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\02_General_Notes.dwg13:44 SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\02_General_Notes.dwg SRHART R17 \\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\02_General_Notes.dwg\\us0325-ppfss01\shared_projects\203723967\03_data\gis_cad\cad\sheet_files\Stantec_Package\02_General_Notes.dwg

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KNIFE RIVER

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GENERAL NOTES

AutoCAD SHX Text G2 pmassaro Line pmassaro Rectangle pmassaro Rectangle pmassaro Line pmassaro Line pmassaro Cloud pmassaro Cloud pmassaro Cloud pmassaro Cloud pmassaro Cloud pmassaro Cloud pmassaro Cloud pmassaro Text Box fix Wonky spaces pmassaro Text Box PROJECT ACCESS MUST COMPLY WITH THE PERMIT CONDITIONS AND USE A TEMPORARY STREAM CROSSING. TYPICAL EMBANKMENT SECTIONS SHOWN ON SHEET 16 PROVIDE THE CONTRACTOR WITH A WORKING BENCH TO FACILITATE CONSTRUCTION ACTIVITIES.

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OR

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26. THE CONTRACTOR IS REQUIRED TO OBTAIN A PERMIT FOR THE TEMPORARY CONSTRUCTION ENTRANCE FROM THE MERCER COUNTY HIGHWAY DEPARTMENT. THE COUNTY ROAD APPROACH PERMIT APPLICATION FEE IS $50. THE ROAD SUPERINTENDENT, ELROY OPP, WILL WANT THE ENTRANCE FLAGGED OR OTHERWISE MARKED BY THE CONTRACTOR AT THE TIME OF SUBMITTAL. A COPY OF THE COUNTY ROAD APPROACH PERMIT APPLICATION (PARTIALLY FILLED) IS INCLUDED IN THE CDS. WHEN READY TO SUBMIT THE CONTRACTOR CAN EMAIL THE COUNTY ROAD APPROACH PERMIT APPLICATION TO MERCERHD@WESTRIV.COM.

SOIL MAP

IN ACCORDANCE TO SECTION D OF THE NORTH DAKOTA GENERAL PERMIT FOR AUTHORIZATION TO DISCHARGE STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITY UNDER THE NPDES: THE CONTRACTOR MUST PREPARE A NOTICE OF INTENT (NOI) AND STORMWATER POLLUTION PREVENTION PLAN (SWPPP) (PART II(C)) FOR THE PROJECT. THE SWPPP MUST INCLUDE ADDITIONAL BEST MANAGEMENT PRACTICES (BMPS) AS DETAILED IN THE SECTION 401 WATER QUALITY CERTIFICATION TO ENSURE COMPLIANCE WITH WATER QUALITY STANDARDS.

SWPPP DOCUMENTS

INSPECTIONS

IMPAIRED WATERS, SPECIAL WATERS, AND WETLANDS

CERTIFICATION

PROJECT NAME: KNIFE RIVER ELBEE BEND BANK STABLIZATION

PROJECT LOCATION: MERCER COUNTY, NORTH DAKOTA

PROJECT TYPE: CULTURAL RESOURCE PROTECTION THROUGH BANK STABILIZATION

TOTAL AREA DISTURBED BY CONSTRUCTION: APPROXIMATELY XX ACRES.

ESTIMATED CONSTRUCTION DATES: SUMMER 2025 - FALL 2025

CUMULATIVE IMPERVIOUS SURFACE/PERMANENT STORMWATER MANAGEMENT REQUIREMENTS:

THE PROPOSED PROJECT RESULTS IN A 0 ACRE NET CHANGE IN IMPERVIOUS SURFACE WITHIN THE LIMITS OF THE

SITE.

THE SITE IS WITHIN THE FLOODPLAIN AND CHANNEL OF THE KNIFE RIVER, WHICH IS LISTED AS AN IMPAIRED WATER DUE TO E. COLI. THERE ARE CURRENT APPROVED TMDLS FOR THE WATERBODY FOR E. COLI BACTERIA.

THERE IS NO PERMANENT STORMWATER SYSTEM PROPOSED FOR THIS PROJECT. THE SITE WILL BE GRADED TO NATURAL DRAINAGE PATTERNS CONVEYING ALL WATER TO THE KNIFE RIVER CHANNEL. APPROPRIATE MEASURES WILL BE TAKEN TO REDUCE SEDIMENT LADEN WATER FROM ENTER THE MAIN CHANNEL OF THE KNIFE RIVER.

PARTY RESPONSIBLE FOR LONG TERM OPERATION AND MAINTENANCE OF THE SITE (OWNER): US NATIONAL

PARKS SERVICE

CONTACT: ALBERT LEBEAU (WAKPA WASTE' LAKOTA) (ACTING SUPER INTENDENT)

CONTACT EMAIL: ALBERT_LEBEAU@NPS.GOV

PARTY RESPONSIBLE FOR IMPLEMENTATION OF THE SWPPP (CONTRACTOR): FUTURE CONTRACTOR

CONTRACTOR:

CONTRACTOR PHONE:

CONTRACTOR EMAIL:

CONTRACTOR SHALL PROVIDE A CHAIN OF RESPONSIBILITY WITH ALL OPERATORS ON THE SITE FOR INCORPORATION INTO THIS SWPPP DOCUMENT TO ENSURE THAT THE SWPPP WILL BE IMPLEMENTED AND STAY IN EFFECT UNTIL THE CONSTRUCTION PROJECT IS COMPLETE (THROUGH FINAL STABILIZATION AND NOT SUBMITTAL).

CONTRACTOR SHALL ALSO PROVIDE DOCUMENTATION OF PERSONNEL TRAINING IN ACCORDANCE WITH THE PERMIT FOR INCORPORATION INTO THIS SWPPP DOCUMENT AS SOON AS THE PERSONNEL FOR THE PROJECT HAVE BEEN DETERMINED. CONTRACTOR IS RESPONSIBLE FOR KEEPING A FINAL SWPPP DOCUMENT, CONTAINING THE INFORMATION REQUIRED ABOVE, AT THE CONSTRUCTION SITE FOR THE DURATION OF THE

PROJECT.

THE SWPPP IS COMPOSED OF, BUT NOT LIMITED TO, THE BELOW PROJECT DOCUMENTS. THESE DOCUMENTS SHALL BE KEPT ON THE PROJECT SITE AT ALL TIMES THROUGHOUT CONSTRUCTION. THE SWPPP SHALL BE AMENDED BY THE PERSON RESPONSIBLE TO INCLUDE ANY DOCUMENTS NECESSARY TO ENSURE ADHERENCE TO THE GENERAL

PERMIT.

KNIFE RIVER ELBEE BEND CONSTRUCTION DOCUMENTS BY NPS AS BID

THE CONTRACTOR SHALL PREPARE AND IMPLEMENT A SWPPP FOR ALL CONSTRUCTION ACTIVITIES COVERED UNDER NDR11-0000. THE CONTRACTOR SHALL OBTAIN THE NECESSARY NDPDES PERMITS (NDAC CHAPTER 33.1-16-01) AND IMPLEMENT BMPS TO COMPLY WITH THE STANDARDS OF QUALITY FOR WATERS OF THE STATE

(NDAC CHAPTER 33.1-16-02.1).

RECORD RETENTION - THE SWPPP, ALL CHANGES TO IT, AND INSPECTION AND MAINTENANCE RECORDS MUST BE KEPT ON-SITE DURING CONSTRUCTION; THE CONSTRUCTION DRAWINGS ARE INCORPORATED HEREIN BY REFERENCE, AND A COPY OF THE PLAN SET SHOULD BE KEPT ON-SITE WITH THE SWPPP RECORDS. THE OWNER MUST RETAIN A COPY OF THE SWPPP ALONG WITH THE FOLLOWING RECORDS FOR THREE (3) YEARS AFTER

SUBMITTAL OF THE NOTICE OF TERMINATION:

1. ANY OTHER PERMITS REQUIRED FOR THE PROJECT;

2. RECORDS OF ALL INSPECTION AND MAINTENANCE CONDUCTED DURING CONSTRUCTION;

3. ALL PERMANENT OPERATIONS AND MAINTENANCE AGREEMENTS THAT HAVE BEEN IMPLEMENTED, INCLUDING ALL RIGHT OF WAY, CONTRACT, COVENANTS AND OTHER BINDING REQUIREMENTS REGARDING

PERPETUAL MAINTENANCE; AND

4. ALL REQUIRED CALCULATIONS FOR DESIGN OF THE TEMPORARY AND PERMANENT STORMWATER

MANAGEMENT SYSTEMS.

THE INSPECTION LOG WILL BE COMPLETED BY THE CONTRACTOR FOR THE CONSTRUCTION SITE.

INSPECTOR(S): TBD - TRAINING DOCUMENTATION (PER SECTION 21.2 OF THE PERMIT) WILL BE INCORPORATED INTO THIS SWPPP AS SOON AS THE PERSONNEL FOR THE PROJECT HAVE BEEN DETERMINED. THE CONTRACTOR

WILL MAKE CORRECTIONS OR REPAIRS REQUIRED TO COMPLY WITH THE PERMIT.

INSPECTIONS AT THE SITE WILL BE COMPLETED IN ACCORDANCE WITH THE PERMIT AS FOLLOWS:

ONCE EVERY SEVEN (7) DAYS DURING ACTIVE CONSTRUCTION AND,

WITHIN 24 HOURS AFTER A RAINFALL EVENT GREATER THAN 0.5 INCHES IN 24 HOURS.

1. THE INDIVIDUAL PERFORMING INSPECTIONS MUST BE TRAINED AS REQUIRED BY SECTION 21.3 OF THE PERMIT.

TRAINING DOCUMENTATION SHALL BE PROVIDED BY THE CONTRACTOR FOR INCORPORATION INTO THE SWPPP. INSPECTIONS MUST INCLUDE STABILIZED AREAS, EROSION PREVENTION AND SEDIMENT CONTROL BMPS, AND INFILTRATION AREAS. CORRECTIVE ACTIONS MUST BE IDENTIFIED AND DATE OF CORRECTION MUST BE NOTED AS IDENTIFIED IN SECTION 11.11 OF THE PERMIT. ANY OFFSITE DISCHARGE MUST BE DOCUMENTED AS IDENTIFIED IN SECTION 11.11 OF THE PERMIT. ANY AMENDMENTS TO THE SWPPP PROPOSED AS A RESULT OF THE INSPECTION MUST BE DOCUMENTED WITHIN SEVEN (7) CALENDAR DAYS.

AN INSPECTION LOG IS ALSO ATTACHED; THE INSPECTION LOG AND SWPPP MUST BE KEPT ON-SITE FOR THE

DURATION OF THE CONSTRUCTION PROJECT.

AT A MINIMUM, THE FOLLOWING SHALL BE COMPLETED DURING EACH INSPECTION:

-RECORD DATE AND TIME OF INSPECTION.

-RECORD RAINFALL RECORDS SINCE THE MOST RECENT INSPECTION.

-INSPECT THE SITE FOR EXCESS EROSION AND SEDIMENTATION.

-INSPECT THE SITE FOR DEBRIS, TRASH, AND SPILLS.

-INSPECT TEMPORARY EROSION AND SEDIMENTATION CONTROL DEVICES.

-INSPECT CONSTRUCTION ENTRANCES FOR SEDIMENT TRACKING ONTO PUBLIC STREETS.

-RECORD RECOMMENDED REPAIRS AND MODIFICATIONS TO EROSION AND SEDIMENT CONTROLS.

-RECOMMEND ANY NECESSARY CHANGES TO THIS SWPPP.

-RECORD REPAIRS AND MODIFICATIONS IMPLEMENTED SINCE PREVIOUS INSPECTIONS.

-INSPECT THE ADJACENT STREETS AND CURB AND GUTTER FOR SEDIMENT, LITTER, AND CONSTRUCTION DEBRIS.

THE GENERAL CONTRACTOR MUST UPDATE THE SWPPP, INCLUDING THE JOBSITE BINDER AND SITE MAPS, TO REFLECT THE PROGRESS OF CONSTRUCTION ACTIVITIES AND GENERAL CHANGES TO THE PROJECT SITE. UPDATES SHALL BE MADE DAILY TO TRACK PROGRESS WHEN ANY OF THE FOLLOWING ACTIVITIES OCCUR: BMP INSTALLATION, MODIFICATION OR REMOVAL, CONSTRUCTION ACTIVITIES (E.G. PAVING, SEWER INSTALLATION, ETC), CLEARING, GRUBBING, GRADING, OR TEMPORARY AND PERMANENT STABILIZATION.

THE CONTRACTOR MAY UPDATE OR MODIFY THE SWPPP WITHOUT THE CONTRACTING OFFICER APPROVAL IN AN EMERGENCY SITUATION TO PREVENT SEDIMENT DISCHARGE OR PROTECT WATER QUALITY. THE CONTRACTOR IS ULTIMATELY RESPONSIBLE TO ENSURE COMPLIANCE WITH THE PERMIT AND PROTECTION OF DOWNSTREAM

WATER QUALITY.

PRIOR TO ANY SITE DISTURBANCE, AND AS REQUIRED AS CONSTRUCTION PROGRESSES, ANY PERMIT REQUIRED EROSION PREVENTION MEASURES AND THE SEDIMENT CONTROL DEVICES (INLET PROTECTION, CONSTRUCTION ENTRANCE, SILT FENCE, EROSION CONTROL BLANKET) SHOWN ON THE CONSTRUCTION DRAWINGS WILL BE

INSTALLED AT THE SITE.

ALL EXPOSED SOIL AREAS WITHIN THE CONSTRUCTION LIMITS WILL BE STABILIZED WITHIN 14 DAYS AFTER THE CONSTRUCTION ACTIVITY IN THAT PORTION OF THE SITE HAS TEMPORARILY (WILL NOT RESUME FOR A PERIOD EXCEEDING 7 CALENDAR DAYS) OR PERMANENTLY CEASED. STABILIZATION WILL BE INITIATED IMMEDIATELY.

EXPOSED SOIL AREAS MUST HAVE TEMPORARY EROSION PROTECTION (SLASH MULCH, EROSION CONTROL

BLANKET, SEED) OR PERMANENT COVER YEAR ROUND.

CONTRACTOR SHALL IMPLEMENT APPROPRIATE CONSTRUCTION PHASING, VEGETATIVE BUFFER STRIPS, HORIZONTAL SLOPE GRADING, AND OTHER CONSTRUCTION PRACTICES THAT MINIMIZE EROSION WHEN PRACTICAL. THE NORMAL WETTED PERIMETER OF ANY TEMPORARY OR PERMANENT DRAINAGE DITCH THAT DRAINS WATER FROM A CONSTRUCTION SITE, OR DIVERTS WATER AROUND A SITE, MUST BE STABILIZED WITHIN 200 LINEAL FEET FROM THE PROPERTY EDGE, OR FROM THE POINT OF DISCHARGE TO ANY SURFACE WATER.

STABILIZATION MUST BE COMPLETED WITHIN 24 HOURS OF CONNECTING TO A SURFACE WATER. PIPE OUTLETS MUST BE PROVIDED WITH TEMPORARY OR PERMANENT ENERGY DISSIPATION WITHIN 24 HOURS OF CONNECTION

TO A SURFACE WATER.

SWPPP IMPLEMENTATION, PHASING, AND SEQUENCE OF CONSTRUCTION:

BMP AND EROSION CONTROL INSTALLATION SEQUENCE SHALL BE AS FOLLOWS:

1. CONSTRUCT STABILIZED CONSTRUCTION ENTRANCE AND INSTALL SILT FENCE.

2. INSTALL INLET PROTECTION AT EXISTING STORMWATER CULVERTS AND INLETS, IF APPLICABLE.

3. PREPARE TEMPORARY STORAGE, PARKING, AND PHASING AREAS.

4. CONSTRUCT AND STABILIZE DIVERSIONS AND TEMPORARY SEDIMENT TRAPS/BASINS, IF APPLICABLE.

5. PERFORM CLEARING AND GRUBBING OF THE SITE, IF APPLICABLE.

6. PERFORM MASS GRADING, ROUGH GRADE TO ESTABLISH PROPOSED DRAINAGE PATTERNS.

7. BEGIN EXCAVATION OF PERMANENT STORMWATER BASIN AREAS. SEE SEQUENCING BELOW FOR

ADDITIONAL INFORMATION.

8. START CONSTRUCTION OF THE CHANNEL AND EMBANKMENT.

9. TEMPORARILY SEED WITH PURE LIVE SEED THROUGHOUT CONSTRUCTION. DISTURBED AREAS THAT WILL BE

INACTIVE FOR 14 DAYS OR MORE AS REQUIRED BY NPDES OR PERMIT.

SEDIMENT CONTROL PRACTICES MUST MINIMIZE SEDIMENT FROM ENTERING SURFACE WATERS, INCLUDING CURB AND GUTTER SYSTEMS AND STORM SEWER INLETS. THE FOLLOWING MEASURES WILL BE TAKEN AS SEDIMENT

CONTROL PRACTICES IN ORDER TO MINIMIZE SEDIMENTS FROM ENTERING SURFACE WATERS:

1. INSTALLATION OF SEDIMENT CONTROL PRACTICES ON ALL DOWN GRADIENT PERIMETERS PRIOR TO LAND

DISTURBING ACTIVITIES.

2. SILT FENCING, BIOLOGS, OR OTHER SEDIMENT CONTROL SURROUNDING TEMPORARY SOIL STOCKPILES.

3. VEHICLE TRACKING BMP AT CONSTRUCTION SITE ENTRANCE/EXIT. STREET SWEEPING SHALL BE PERFORMED

IF VEHICLE TRACKING BMPS ARE NOT ADEQUATE TO PREVENT SEDIMENT TRACKING. TRACKED SEDIMENT MUST BE REMOVED FROM ALL PAVED SURFACES BOTH ON AND OFFSITE WITHIN 24 HOURS OF DISCOVERY

PER THE PERMIT.

4. STREET SWEEPING IS NOT TO BE USED AS A PRIMARY BMP FOR SEDIMENT TRACKING.