20201975 Ver 1_More Info Received_20210601

Strickland, Bev
From: Connor Brown <[e-mail]>
Sent: Tuesday, June 1, 2021 4:13 PM
To: Norton, April R CIV USARMY CESAW (USA)
Cc: Ryan Smith; Goss, Stephanie
Subject: [External] Re: [Non-DoD Source] Re: 132 New Castle Drive Stream Improvements
Request for Additional Information / SAW-2021-00256 / Durham County
Attachments: NC DWQ Stream Identification Form.pdf; NEWCASTLE_KBE_060121.pdf
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
Report Spam.
Good Afternoon April,
I apologize for the time that has elapsed since we last spoke without an update. I am hoping that this application
hasn't been closed out in the meantime. The proposed work of this project has been slow to review by the
Chapel Hill stormwater staff. We have made their requested changes, as well as the ones that we discussed back
in April, including:
1. Change from NWP13 to NWP27. The proposed stream alignment has been changed to remove
channelization of the stream since NWP27 does not allow for any channelization.
2. Removal of the proposed pedestrian footbridge. This was ultimately not approved by Chapel Hill.
3. Buffer Revegetation included in the Planting Plan. The planting plan now includes container tree plantings to
revegetate the buffer to a density exceeding the requirement given by Chapel Hill.
If I am remembering correctly, you asked for us to provide the stream determination form with the updated
plans. You mentioned that you would handle the upland form and updating the impacts total from our PCN
application. Please let us know if this is no longer the case.
Please let us know if there's anything else that we can provide.
Thank you for your help,
Connor Brown, EI
Ecological Engineer
Kris Bass Engineering
[e-mail]
704.641.4621 (c)
www.kbeng.org
KRIS BASS
EX GINEERI NG
On Mon, Apr 5, 2021 at 8:10 AM Connor Brown <[e-mail]> wrote:
1

10:00 AM Wednesday works! Microsoft Teams is fine, but if you don't mind setting the meeting up, as I am
less familiar with Teams.
Thank you,
Connor Brown, EI
Ecological Engineer
Kris Bass Engineering
[e-mail]
704.641.4621 (c)
www.kbeng.org
KRIS BASS
EX GINEERI NG
On Sat, Apr 3, 2021 at 8:48 AM Norton, April R CIV USARMY CESAW (USA)
<[e-mail]> wrote:
Connor,
I'm available at 10:OOam, if that works for you.
Microsoft Teams should work for us. WebEx should work as well.
Thanks,
April
April R. Norton
Regulatory Division
US Army Corps of Engineers
CE-SAW-RG-R
3331 Heritage Trade Drive, Suite 105
2

Wake Forest, North Carolina 27587
Phone: [phone], Ext. 57
Fax: [phone]
Email: [e-mail]
From: Connor Brown <[e-mail]>
Sent: Friday, April 2, 2021 1:03 PM
To: Norton, April R CIV USARMY CESAW (USA) <[e-mail]>
Cc: Ryan Smith <[e-mail]>; Goss, Stephanie <[e-mail]>
Subject: Re: [Non-DoD Source] Re: 132 New Castle Drive Stream Improvements Request for Additional
Information / SAW-2021-00256 / Durham County
April,
I think that Wednesday morning would work better for me. Let me know if you have a preferred time and
meeting medium to use.
Stephanie, I'll look into what's missing for you at the start of next week!
Have a good weekend everyone,
Connor Brown, EI
Ecological Engineer
Kris Bass Engineering
[e-mail]
704.641.4621 (c)
www.kbeng.org
3

On Thu, Apr 1, 2021 at 3:51 PM Norton, April R CIV USARMY CESAW (USA)
<[e-mail]> wrote:
Hi Connor,
I'm available Tuesday (4/6) morning and all day on Wednesday (4/7).
Thanks,
April
April R. Norton
Regulatory Division
US Army Corps of Engineers
CE-SAW-RG-R
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Phone: [phone], Ext. 57
Fax: [phone]
Email: [e-mail]
From: Connor Brown <[e-mail]>
Sent: Thursday, April 1, 2021 8:26 AM
To: Norton, April R CIV USARMY CESAW (USA) <[e-mail]>
Cc: Ryan Smith <[e-mail]>; Goss, Stephanie <[e-mail]>
Subject: Re: [Non-DoD Source] Re: 132 New Castle Drive Stream Improvements Request for Additional
Information / SAW-2021-00256 / Durham County
4

Good Morning April,
Thank you for your email. Do you have any availability to discuss next week Tuesday -Friday? This week
has been busy.
Thank you,
Connor Brown, EI
Ecological Engineer
Kris Bass Engineering
[e-mail]
704.641.4621 (c)
www.kbeng.org
On Mon, Mar 29, 2021 at 4:10 PM Norton, April R CIV USARMY CESAW (USA)
<[e-mail]> wrote:
Hi Connor,
Thank you for providing the requested additional information.
1. NWP 27 does not authorize stream channelization. I am concerned with the below depictions. It
appears as though the stream is being straightened.
5

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8' x 18' PEDESTU
10.5 SF PERMAN
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2. Noted. However, bank stabilization is a permanent impact, with no functional loss.
3. Compensatory mitigation is not required for activities authorized by NWP 27 since these activities
must result in net increases in aquatic resource functions and services.
4. I am concerned about potential wetlands within the project boundary. Cartecay and Chewacla soils
are listed on the Soil Map provided with application. The wetland form is attached.
5. Informal consultation with USFWS has been completed.
I am happy to discuss this with you on Wednesday, if you'd like.
Please let me know if you have any additional questions.
Thank you,
April Norton
April R. Norton
Regulatory Division
US Army Corps of Engineers
CE-SAW-RG-R
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
6

Phone: [phone], Ext. 57
Fax: [phone]
Email: [e-mail]
From: Connor Brown <[e-mail]>
Sent: Thursday, March 25, 2021 1:56 PM
To: Norton, April R CIV USARMY CESAW (USA) <[e-mail]>
Cc: Ryan Smith <[e-mail]>
Subject: [Non-DoD Source] Re: 132 New Castle Drive Stream Improvements Request for Additional
Information / SAW-2021-00256 / Durham County
Good Afternoon April,
Thank you for your response. I have some follow up questions/discussion regarding this project:
1. We believe that we actually need to receive verified use of NWP27- Restoration. This more accurately
encompasses the proposed work.
2. In the previous impacts inventory sheet, we mistakenly listed the buffer impacts and stream impacts as
permanent rather than temporary. No Buffer Area nor stream length is being permanently altered as a result
of the proposed work. The exception is the proposed pedestrian bridge, whose permanent buffer impacts
have been retained on the impacts inventory sheet.
3. Given 1 and 2, does this remove the need for compensatory mitigation? The stream impacts are not
permanent, and has been updated to show this in the impacts inventory sheet.
4. Given 1 and 2, do we still need to submit an upland data form? There are no impacts to wetlands by the
proposed project. I have not needed to submit this for past NWP27 projects, so I'm not clear on whether this
request was a result of having the wrong NWP number and incorrect impacts. If we do still need it, could
you direct me to the upland data form, I had trouble locating it.
5. You mentioned informal consultation with USFWS concerning endangered mussel species. Do we need
to do/provide anything on our end to facilitate this?
I have attached the updated plan set, which shows the changes to the impacts inventory sheet I mentioned
above.

Thank you,
Connor Brown, EI
Ecological Engineer
Kris Bass Engineering
[e-mail]
704.641.4621 (c)
www.kbeng.org
On Thu, Mar 4, 2021 at 11:27 AM Norton, April R CIV USARMY CESAW (USA)
<[e-mail]> wrote:
Mr. Brown,
Thank you for your Pre -Construction Notification dated February 5, 2021, for the above referenced
project. I have reviewed the information and need clarification before proceeding with verifying the use of
Nationwide Permit (NWP) 13 (https://saw-reg.usace.army.mil/NWP2017/2017NWP13.pdf).
Please submit the requested information below (via e-mail is fine) within 30 days of receipt of this
Notification, otherwise we may deny verification of the use of the Nationwide Permit or consider your
application withdrawn and close the file:
1) Your PCN included proposed impacts to streams; however, a delineation was not included with the
application. Please submit a wetland delineation for the proposed impacts, with the applicable wetland
datasheets. If wetlands are not impacted by the proposed project, please submit an upland data form.
Alternatively, if there are impacts to jurisdictional wetlands, please submit a revised Impacts Inventory
sheet. Please note that your PCN is on hold until your submitted delineation is verified by our office.
2) Your PCN indicates that impacts for stream alignment and profile change are proposed for 247 linear
feet of stream channel. Stream channelization is not authorized under NWP 13. You may request that the
proposed impacts are verified under a NWP 29. If NWP 29 verification is requested and cumulative
8

permanent stream impacts were to exceed the 150 linear foot threshold, compensatory mitigation would be
required. The mitigation rule generally prescribes purchasing stream credits first through a mitigation bank
with stream credits available in this 8-digit HUC, or second through the NC Division of Mitigation
Services; a mitigation acceptance letter from your proposed compensatory mitigation provider would be
required. Typically, compensatory mitigation is required at a 2:1 credit to impact ratio unless otherwise
justified based on evaluation of aquatic function.
3) Please include any proposed temporary impacts on the Impacts Inventory sheet, such as any dewatering
activities.
4) Given the proximity of this project to known populations of several threatened/endangered mussel
species, as well as potentially suitable habitat for these species occurring the project action area, we will
initiate informal consultation with the US Fish and Wildlife Service (USFWS). Please note that the Corps
cannot verify the use of a NWP until Section 7 consultation is complete.
Please let me know if you have any questions.
Sincerely,
April Norton
April R. Norton
Regulatory Division
US Army Corps of Engineers
CE-SAW-RG-R
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Phone: [phone], Ext. 57
Fax: [phone]
9

Email: [e-mail]
10

NC DWQ Stream Identification Form Version 4.11
Date: Project/Site: Latitude:
Evaluator: County: Longitude:
Total Points:
Stream is at least intermittent
if ≥ 19 or perennial if ≥ 30*
Stream Determination (circle one)
Ephemeral Intermittent Perennial
Other
e.g. Quad Name:

A. Geomorphology (Subtotal =_________) Absent Weak Moderate Strong
1a. Continuity of channel bed and bank 0 1 2 3
2. Sinuosity of channel along thalweg 0 1 2 3
3. In-channel structure: ex. riffle-pool, step-pool,
ripple-pool sequence 0 1 2 3
4. Particle size of stream substrate 0 1 2 3
5. Active/relict floodplain 0 1 2 3
6. Depositional bars or benches 0 1 2 3
7. Recent alluvial deposits 0 1 2 3
8. Headcuts 0 1 2 3
9. Grade control 0 0.5 1 1.5
10. Natural valley 0 0.5 1 1.5
11. Second or greater order channel No = 0 Yes = 3
a artificial ditches are not rated; see discussions in manual
B. Hydrology (Subtotal = _________)
12. Presence of Baseflow 0 1 2 3
13. Iron oxidizing bacteria 0 1 2 3
14. Leaf litter 1.5 1 0.5 0
15. Sediment on plants or debris 0 0.5 1 1.5
16. Organic debris lines or piles 0 0.5 1 1.5
17. Soil-based evidence of high water table? No = 0 Yes = 3
C. Biology (Subtotal = _________)
18. Fibrous roots in streambed 3 2 1 0
19. Rooted upland plants in streambed 3 2 1 0
20. Macrobenthos (note diversity and abundance) 0 1 2 3
21. Aquatic Mollusks 0 1 2 3
22. Fish 0 0.5 1 1.5
23. Crayfish 0 0.5 1 1.5
24. Amphibians 0 0.5 1 1.5
25. Algae 0 0.5 1 1.5
26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 Other = 0
*perennial streams may also be identified using other methods. See p. 35 of manual.
Notes:

Sketch:

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DesignedSheet 1 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
COVER
CB
CB
NEWCASTLE_KBE.DWGKris Bass
Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
PROGRESS
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ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517 132 NEW CASTLE DR. STREAM IMPROVEMENTS SHEET INDEX:1.COVER2.NOTES3.EXISTING CONDITIONS & DEMOLITION4.SCHEMATIC5.IMPACT MAP6.GRADING PLAN7.SECTIONS8.PLANTING PLAN9.CONSTRUCTION DETAILS10.CONSTRUCTION DETAILS (2)PROJECT ENGINEER:KRIS BASS ENGINEERING, PLLC919.960.1552Site Data TablePhysical Address:132 New Castle Dr., ChapelHill, NC 27517Durham County Parcel ID(s):140442; 140446Durham County PINNumber(s):9799-04-81-7142;9799-04-80-6908Total deeded acreage of theproperty:0.973 acres, 1.186 acresLand Use:RES/1-FAMILYProposed square footage ofbuilding:0 square feetLand area to be disturbed:0.615 ACArea of proposed impervioussurfaces:0 square feetLinear footage of proposedroads, fire lanes, water lines,sewer lines, and reclaimedwater lines:0 feetNumber of proposed water,sewer, and reclaimed watertaps:0
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DesignedSheet 2 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
NOTES
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NEWCASTLE_KBE.DWGKris Bass
Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
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ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517 PROJECT NARRATIVE:THE STREAM ON THE PROPERTY OF 132 NEW CASTLE DR. ISEXPERIENCING CHANNELIZATION, INCISION, AND BANK EROSION.THIS POSES A FUTURE THREAT TO A NEIGHBORING PROPERTY, ANDTHE HOMEOWNERS DESIRE A HEALTHIER AND MORE FUNCTIONALSTREAM. THE HOMEOWNERS ATTEMPTED TO REMEDY THIS WITH THEUSE OF THEIR LANDSCAPE CONTRACTOR, HOWEVER DID NOTREALIZE THE PERMITS REQUIRED TO PERFORM WORK IN WATERS OFTHE U.S.. THE SCOPE OF THIS PROJECT INCLUDES RESTORATION OFTHE STREAM REACH AND STREAM BANK STABILIZATION THROUGHMINOR GRADING AND RIPARIAN PLANTINGS. ALL WORK SHALL BESUBJECT TO THE DIRECTION AND INSPECTION OF THE PROJECTENGINEER, WITH ANY DEVIATIONS FROM THE DESIGN PLANS BEINGCLEARED WITH THE ENGINEER ON SITE PRIOR TO EXECUTION.CONSTRUCTION FOR THIS PROJECT SHOULD LAST FROM 5 TO 10DAYS WITH ALL WORK BEING COMPLETED IN DRY WEATHERCONDITIONS.ENGINEER'S NOTES:1. FIELD ADJUSTMENTS MAY BE NECESSARY DURING CONSTRUCTION,AND SHALL BE PERMITTED WITH APPROVAL FROM THE PROJECTENGINEER.2. MATERIALS LISTS ARE PROVIDED AS AN APPROXIMATION ONLY. CONTRACTOR SHALL INDEPENDENTLY VERIFY THE NUMBER AND AMOUNT OF STONE, BACKFILL, OR OTHER ITEMS NECESSARY TO PROPERLY COMPLETE THE JOB.3. THE CONTRACTOR SHALL CALL THE “CALL BEFORE YOU DIG” TOLLFREE NUMBER TO MAKE SURE THAT ALL UTILITIES ARE LOCATEDAND MARKED. ANY DAMAGE TO EXISTING UTILITIES IS THE RESPONSIBILITY OF THE CONTRACTOR.4. ANY DAMAGE RESULTING FROM ACTIONS OF THE CONTRACTORTO STRUCTURES OR GROUNDS ON SITE WILL BE REPAIRED ORREPLACED AT THE EXPENSE OF THE CONTRACTOR, TO A QUALITY MEETING OR EXCEEDING THEIR PREVIOUS STANDARDS.5. THE CONTRACTOR IS TO ENSURE PUBLIC SAFETY DURING ALL PHASES OF CONSTRUCTION.6. THE CONTRACTOR IS RESPONSIBLE FOR CLEARING AND DISPOSING OF ANY MAN-MADE MATERIALS OR OTHER DEBRISTHAT LIE WITHIN THE CONSTRUCTION LIMITS, AS REQUESTED AND APPROVED BY THE PROJECT ENGINEER.7. THE CONSTRUCTION LOD ENCROACHES ONTO THE NEIGHBOR'SPROPERTY. THE NEIGHBOR HAS GIVEN PERMISSION AND SIGNED AN AGENT AUTHORIZATION FORM TO ALLOW THE WORK. THE CONTRACTOR AND/OR HOMEOWNER SHALL NOTIFY THE NEIGHBOR WHEN CONSTRUCTION ACTIVITIES ARETO BEGIN.EROSION CONTROL NOTES:1. ALL SLOPES SHALL BE SEEDED AND STABILIZED WITH A DENSE COVERAGE OF GRASS. ANY EXPOSED OR BARE SLOPES SHALLBE RE-SEEDED OR PROTECTED WITH EROSION CONTROL MATTING. EROSION CONTROL MATTING SHALL BE COIR MATTING WITH OPENINGS OF NO MORE THAN 0.5 INCHES.2. ALL BACKFILL SHALL BE SUITABLE FOR PLANT GROWTH AND GENERALLY FREE OF DEBRIS OR OTHER MATERIAL GREATER THAN 2 INCHES IN SIZE.3. ALL ELEVATIONS AND CHANNEL DIMENSIONS SHALL BE MET WITHINA TOLERANCE OF 0.1'4. STABILIZATION MEASURES SHALL BE IMPLEMENTED AS SOON AS POSSIBLE FOLLOWING COMPLETED AREAS OF CONSTRUCTION.SPECIFIC SEEDING REQUIREMENTS ARE PROVIDED IN THE PLANTING PLAN.5. PROVIDE TEMPORARY OR PERMANENT GROUNDCOVER ON ALLEXPOSED AREAS WITHIN 7 CALENDAR DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. PROVIDE A PERMANENT GROUNDCOVER FOR ALL DISTURBED AREAS WITHIN 14 WORKING DAYS FOLLOWING COMPLETION OF CONSTRUCTION OR DEVELOPMENT.6. THE CONTRACTOR MUST TAKE NECESSARY ACTION TO MINIMIZETHE TRACKING OF MUD TO OFF SITE AREAS. THE CONTRACTORSHALL DAILY REMOVE MUD/SOIL FROM PAVEMENT, AS MAY BEREQUIRED.7. THE CONTRACTOR SHALL ACCOMPLISH ALL STREAMBANK EXCAVATION FROM OUTSIDE THE ACTIVE CHANNEL WHENEVER POSSIBLE. ALL DISTURBED STREAMBANK MUST BE STABILIZED WITH SEEDING, MULCH AND EROSION CONTROL MATTING BY THE END OF EACH WORKDAY.MATERIALS ESTIMATES:TOTAL DISTURBED AREA: 0.615 ACEARTHWORK:CUT- 140 CYFILL- 65 CYNET- 75 CY CUTBOULDERS: 4 TN SMALL BOULDERSCLASS A STONE: 17 TNCLASS B STONE: 17 TNCLASS 1 STONE: 19 TN#57 STONE: 10 TNCOIR MATTING: 300 SYLIVE STAKES: 460GENERAL CONSTRUCTION SEQUENCE:1. PERFORM CLEARING, GRUBBING, AND DEBRIS REMOVAL AS SHOWN ONTHE PLANS FOR CONSTRUCTION ACCESS TO THE STREAM.2. INSTALL STREAM PUMP AROUND TO PROTECT WORK AREA ALONG BANK.3. REMOVE AND STOCKPILE ALL STONE WITHIN THE EXISTING CHANNEL.4. CUT PROPOSED CHANNEL AND MOVE. DO NOT OPEN PROPOSED CHANNEL FOR WATER TO FLOW THROUGH.5. BUILD INSTREAM STRUCTURES WITHIN NEWLY CONSTRUCTED CHANNEL. FILL CHANNEL BOTTOM WITH STONE.6. COVER DISTURBED SIDE SLOPES WITH COIR MATTING.7. OPEN NEW CHANNEL FOR WATER TO FLOW THROUGH. FILL IN THE EXISTING CHANNEL.8. PLANT THE CHANNEL ACCORDING TO THE PLANTING PLAN.9. SEED ALL DISTURBED NON-PAVED AREAS. SEEDING AND MULCHING PERTHE APPROVED PLANS AND SPECIFICATIONS.10. REQUEST A FINAL INSPECTION BY THE PROJECT ENGINEER.11. THE CONTRACTOR SHALL CALL THE STORMWATER MANAGEMENT DIVISION AT 919.969.7246 UPON COMPLETION OF THE STREAM AND BUFFER RESTORATION TO SCHEDULE A SITE INSPECTION PRIOR TO LEAVING THE SITE.GENERAL NOTES:1. TREES, SHRUBS, AND HEDGES: THE CONTRACTOR SHALL PROTECT ALL TREESAND SHRUBS OUTSIDE OF THE LIMITS OF DISTURBANCE. THE CONTRACTORADDITIONALLY SHALL NOT REMOVE ANY TREES NOT MARKED FOR REMOVAL ON THE DEMOLITION PLAN. TREES DESIGNATED FOR REMOVALSHALL BE PHYSICALLY MARKED PRIOR TO CONSTRUCTION BEGINNING.2. GRASSED SURFACE RESTORATION: ALL EXISTING GRASSED AREASDISTURBED DURING CONSTRUCTION ARE TO BE SEEDED AND MULCHED PERTHE SPECIFICATIONS UNLESS OTHERWISE INDICATED ON THE DRAWINGS ORAS DIRECTED BY THE ENGINEER.3. ALL CONSTRUCTION SHALL BE IN STRICT ACCORDANCE WITH THE TOWN OF CHAPEL HILL AND/OR NCDOT STANDARD DETAILS AND SPECIFICATIONS.4. ANY DISTURBANCE WITHIN THE RIGHT-OF-WAY WILL BE REQUIRED TO BEREPLACED TO THE TOWN OF CHAPEL HILL AND/OR NCDOT STANDARDS AND INSPECTED.LEGEND:SEWER LINE/EASEMENTSTONE/RIP RAPPROPOSED STREAM ALIGNMENTEXISTING STREAM ALIGNMENTPROPERTY BOUNDARYLODLIMIT OF DISTURBANCEEXISTING MAJOR CONTOUREXISTING MINOR CONTOUREXISTING BUFFER LINEBUFFER ZONE 1 IMPACTBUFFER ZONE 2 IMPACTPROPOSED CONTOURSLOPED PLANTING ZONE- LIVE STAKES,PERMANENT GRASS SEEDSLOPED GRADING ZONE- LIVE STAKES,COIR MATTING, PERMANENT GRASSSEEDBUFFER REPLANTING AREA-CONTAINER TREES
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132 NEW CASTLE DR
STREAM IMPROVEMENTS
EXISTING CONDITIONS & DEMOLITION
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Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
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DesignedSheet 4 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
SCHEMATIC
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Raleigh, NC
Firm# P-1133
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WWW.kbeng.org
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ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517 101 INCH= 10 FEETCONSTRUCTEDRIFFLES, TYP (SEEDETAIL 1.9)POOLSSTONE TOE-USE EXISTING STOCKPILEDROCKEPHEMERAL RIP RAPCHANNELSBOULDER TOE (SEE DETAIL 3.9)SLOPED PLANTING ZONE-PLANT LIVE STAKESCONTRACTOR ACCESSPATH TO LOD, TYP3.25.21 ACCESS PATH ADDED Feet02040MINOR GRADING TO CONVEYALL RCP CULVERTS
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DesignedSheet 5 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
IMPACT MAP
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Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
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ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517 201 INCH= 20 FEETEXISTING ZONE 1 BUFFER(0-30 FEET FROM TOP OF BANK)EXISTING ZONE 2 BUFFER(30-50 FEET FROM TOP OF BANK)EXISTING ZONE 1 BUFFER(0-30 FEET FROM TOP OF BANK)EXISTING ZONE 2 BUFFER(30-50 FEET FROM TOP OF BANK)IMPACTS TABLEBUFFER IMPACTSZONE 1ZONE 2TEMPORARY15,024 SF6,546 SFPERMANENT0 SF0 SFTOTAL15,024 SF6,546 SFSTREAM IMPACTSEXCAVATIONBANK STABILIZATIONTEMPORARY369 LF369 LFPERMANENT0 LF0 LFTOTAL369 LF369 LF3.25.21 ACCESS PATH IMPACTS
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260259RCDRCD0+000+501+001+502+002+502+97
AA'BB'CC'DD'ElevationStationMAIN REACH PROFILE2532542552562572582532542552562572580+000+100+200+300+400+500+600+700+800+901+001+101+201+301+401+501+601+701+801+902+002+102+202+302+402+502+602+702+802+902+970+000+100+200+300+400+500+600+700+800+901+001+101+201+301+401+501+601+701+801+902+002+102+202+302+402+502+602+702+802+902+97-2.13%2.92%-0.51%-3.45%-2.50%-5.04%2.39%STA:1+05.08ELEV:257.44STA:1+30.47ELEV:256.90STA:1+48.97ELEV:257.44STA:1+96.49ELEV:257.20STA:2+10.97ELEV:256.70STA:2+30.97ELEV:256.20STA:2+55.37ELEV:254.97STA:2+97.19ELEV:255.97Drawing:File No.Description ApprovedDate
REVISIONS
Checked
Drawn
DesignedSheet 6 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
GRADING PLAN
CB
CB
NEWCASTLE_KBE.DWGKris Bass
Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
PROGRESS
DRAWING-
FOR REVIEW
ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517 Feet02040101 INCH= 10 FEETEXISTING THALWEGPOOL(2ND EPHEMERAL CHANNELTIES IN HERE)POOL WITHSTONE TOECONSTRUCTED RIFFLEPROPOSED THALWEGPROPOSED CONTOUREXISTING CONTOUR
ElevationOffsetA-A'AS VIEWED LOOKING DOWNSTREAM(RIFFLE)2502552602652702502552602652700510150-5-10-152.2:11.1:13.653.003.71ElevationOffsetB-B'AS VIEWED LOOKING DOWNSTREAM(1ST POOL)2502552602652702502552602652700510150-5-10-152.1
:10.7:11.973.008.45ElevationOffsetC-C'AS VIEWED LOOKING DOWNSTREAM(RIFFLE)2502552602652702502552602652700510150-5-10-152.0
:11.9:14.493.006.60ElevationOffsetD-D'AS VIEWED LOOKING DOWNSTREAM(POOL)2502552602652702502552602652700510150-5-10-151.0:11.7:17.443.009.42Drawing:File No.Description ApprovedDate
REVISIONS
Checked
Drawn
DesignedSheet 7 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
SECTIONS
CB
CB
NEWCASTLE_KBE.DWGKris Bass
Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
PROGRESS
DRAWING-
FOR REVIEW
ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517EXISTING GRADEPROPOSEDGRADEEXISTING GRADEPROPOSEDGRADEEXISTING GRADEPROPOSEDGRADEEXISTING GRADEPROPOSEDGRADEFOR ALL SECTIONS:Feet0102051 INCH= 5 FEETVERTICAL EXAGGERATION: 1V:1H
RCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCD
LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD
LODLODLODLODLODLODLODLODLODLODLODLODLODRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCDRCD0+000+501+001+502+002+502+97
Drawing:File No.Description ApprovedDate
REVISIONS
Checked
Drawn
DesignedSheet 8 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
PLANTING PLAN
CB
CB
NEWCASTLE_KBE.DWGKris Bass
Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
PROGRESS
DRAWING-
FOR REVIEW
ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 275175.PERMANENT SEEDING SHALL NOT CONTAIN ANY FESCUEGRASSES. PLACE SEEDING AS SPECIFIED IN THE PLAN(UNDER THE COIR MATTING).6.SPREAD SEED UNIFORMLY UNDER COIR FIBER MATTINGALONG CHANNEL BANKS.7.STABILIZE ALL EXPOSED AREAS AT STREAM BANKS WITH THEPERMANENT RIPARIAN BUFFER SEED MIX.8.LIVE STAKES PLANTED IN COIR MATTING TO BE SPACED ASSHOWN IN LIVE STAKE DETAIL (SHEET 9).LIVE STAKES QUANTITY ESTIMATE:SILKY DOGWOOD- 230SILKY WILLOW- 2309.WATER SEEDED AREAS AND LIVE STAKES THOROUGHLY ATPLANTING AND WEEKLY DURING THE FIRST GROWINGSEASON.10.LIVE STAKES AND SEEDED AREAS SHALL BE WARRANTEDFOR 80% SURVIVAL AT ONE-YEAR AFTER PLANTING. IF ATTHE END OF ONE-YEAR 20% OR MORE ARE DEAD ORDEAD-LIKE CONDITION, RE-PLANTING OF SUFFICIENTSTOCK TO COMPLY WITH AN 80% SURVIVAL RATE SHALLBE PERFORMED.11.SEE TECHNICAL SPECIFICATIONS FOR ADDITIONALINSTRUCTIONS AND REQUIREMENTS.SEEDING AND LIVE STAKING NOTES:1.RE-SEED ALL SLOPES AND DISTURBED AREAS AS DIRECTED. TEMPORARY SEEDING OF: 120 LBS/ACRE RYEGRAIN - OCTOBER THROUGH MARCH 40 LBS/ACRE BROWNTOP MILLET-APRIL THROUGHSEPTEMBER PERMANENT GRASS SEEDING OF: 150 LBS/ACRE HULLED BERMUDAGRASS (WARM SEASON) 150 LBS/ACRE UNHULLED BERMUDAGRASS (COLD SEASON)2.APPLY A ONE-TIME FERTILIZER APPLICATION (10-20-20) ATA RATE OF 500 LBS/AC AND LIME AT 2000 LBS/ACRE.3.SPREAD STRAW MULCH ON ANY DISTURBED AREAS AT ARATE OF 1.5 TONS /ACRE.4.COVER ALL DISTURBED SLOPES 2(H):1(V) AND GREATERWITH COIR MATTING OVER STRAW AND SECURE WITHWOODEN STAKING (SHEET 10).AREA FOR RESEEDING: 0.615 ACGENERAL PLANTING NOTES:1.ALL INVASIVE SPECIES TO BE REMOVED FROM ALL ZONES BEFORE PROCEEDING WITHPLANTINGS.2.ALL PLANTS SHALL BE INSPECTED AND APPROVED BY THE PROJECT ENGINEER PRIOR TOINSTALLATION. PLANTING LOCATIONS ARE APPROXIMATE AND MUST BE APPROVED BY THEPROJECT ENGINEER PRIOR TO INSTALLATION.3.AREAS TO BE PLANTED ARE SHOWN ON THE PLAN. IF UTILITIES ARE ENCOUNTERED, PLANTSMAY BE REPOSITIONED TO AVOID IMPACT.4.PLANTS AND PLANTING SHALL MEET THE STANDARDS OF ANSI Z60.1 AND ANSI A 300 AND BECOMPLETED ACCORDING TO PROJECT SPECIFICATIONS.5.ALL PLANTS, SPECIES, QUANTITIES, AND PROVIDERS SHALL BE PROVIDED FOR APPROVAL BYTHE PROJECT ENGINEER. ALL TREES SHALL BE MADE AVAILABLE FOR INSPECTION FORHEALTH AND QUALITY PRIOR TO DELIVERY TO THE SITE. ALL PLANTS ARE SUBJECT TO REFUSALBASED ON INSPECTION OF THE PROJECT ENGINEER.6.ALL PLANTING SHALL BE DONE IN A SUITABLE SEASONAL TIMEFRAME FOR EACH SPECIES.7.CONTRACTOR SHALL PROVIDE FOR ONE YEAR VEGETATION MAINTENANCE, WHICH SHALLINCLUDE WATERING, FERTILIZATION, PEST CONTROL, PRUNING, REPLANTING, OR OTHERNEEDS TO ENSURE ESTABLISHMENT AND SURVIVAL IN THE FIRST YEAR.8.SEE TECHNICAL SPECIFICATIONS FOR ADDITIONAL INSTRUCTIONS AND REQUIREMENTS.SOIL PREPARATION REQUIREMENTS:PRIOR TO ALL SEEDING, PLANTING, AND STABILIZATION,THE PLANTING SURFACE SHALL BE ROUGHENEDMECHANICALLY SUCH THAT PLACED SEED AND FERTILIZERWILL NOT WASH DOWNSLOPE. FOLLOWING SOILPREPARATION, PLANT AND STABILIZE SLOPES ACCORDINGTO THE PLANTING PLAN AND TECHNICAL DETAILS.101 INCH= 20 FEETFeet02040CONTAINER PLANTING NOTES1.PLANTED CONTAINER TREES SHALL BENATIVE SPECIES, EITHER MAPLE ORHICKORY. SUBSTITUTIONS MAY BEAPPROVED AT THE DISCRETION OF THEPROJECT ENGINEER.2.SEE TECHNICAL SPECIFICATIONS FORADDITIONAL INSTRUCTIONS ANDREQUIREMENTS FOR CONTAINERPLANTINGS.3.CONTAINER TREES SHALL BE PLANTED AT 10FT CENTERS (436/AC) IN THE APPLICABLEBUFFER AREA SHOWN ON THE PLANTINGPLAN. CONTAINER TREE QUANTITY ESTIMATE: MAPLE- 80 HICKORY- 80
Drawing:File No.Description ApprovedDate
REVISIONS
Checked
Drawn
DesignedSheet 9 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
DETAILS
CB
CB
NEWCASTLE_KBE.DWGKris Bass
Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
PROGRESS
DRAWING-
FOR REVIEW
ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517APLAN VIEWFLOWPROFILE A-AHEAD OF RIFFLEELEVATION POINTAHEAD OF RIFFLEELEVATION POINTGLIDERIFFLESECTION B-BBBTOP OF BANK(TYP)TAIL OF RIFFLEHEAD OF POOLELEVATIONPOINTTOP OFBANK (TYP)TOE OF SLOPE(TYP)FORM HORSESHOE OF BEDMATERIAL AT UPSTREAMAND DOWNSTREAM RIFFLEEXTENTSNOTEHORSESHOE NOT REQUIREDWHERE RIFFLE TIES INTO DRAINAGESTRUCTURE OR STREAM GRADECONTROL STRUCTURE (I.E. LOG SILL,J-HOOK, CROSS VANE, ETC.)TOE OF SLOPETAIL OF RIFFLEELEVATION POINTRIFFLE STONETO TIE INTO CHANNELBANKS 0.5'12" DEPTH OFEQUAL PARTS CLASSA, B, AND #57 STONE.CONSTRUCTED RIFFLEMIX IN RECYCLED EXISTINGSUBSTRATE AS POSSIBLE~1.5'EXISTING SOILFRONT FACE OF BOULDERS MAINTAINA SLIGHT SET-BACKPROPOSEDGRADEBOULDER BANK PROTECTION STRUCTURE NOTES:1. BOULDERS MUST BE AT LEAST 2.5'x2.0x1.5'. CLASS 1OR LARGER STONE MAY BE SUBSTITUTED WITH APPROVAL BY THE PROJECT ENGINEER.2.DIG A SHALLOW TRENCH BELOW THE BED FORBOULDERS, AND LINE WITH FABRIC. START AT BANKAND PLACE BOULDERS. CONTINUE WITH WALL,FOLLOWING EXISTING BANK.3.REUSE EXISTING RIVER ROCK TO FILL GAPSBETWEEN BOULDERS AS NEEDED.4.BANK TO BE SLOPED UP TO DESIGN GRADE ABOVEBOULDER.21BOULDER BANK PROTECTIONLIVE STAKELIVE STAKE DETAILPLAN VIEWCROSS-SECTIONTOP OF STREAMBANKNOTES1. STAKES SHALL BE CUT AND INSTALLED ON THE SAME DAY.2. STAKES THAT HAVE BEEN SPLIT SHALL BE REJECTED ANDNOT USED FOR CONSTRUCTION.3. STAKES SHALL BE INSTALLED WITH BUDS POINTINGUPWARD.4. STAKES SHALL BE INSTALLED PERPENDICULAR TO BANK.5. STAKES SHALL BE 0.5" - 2" INCHES IN DIAMETER AND 30" INLENGTH MINIMUM.6. STAKES SHALL BE INSTALLED WITH APPROXIMATELY 3" OFSTAKE REMAINING ABOVE GROUND.7. STAKE SPACING SHALL BE 3' ON CENTER HORIZONTALLYAND VERTICALLY, AND 2.1' CENTERS DIAGONALLY.STAKES SHALL BEPLANTED & INSTALLEDFROM TOP OF BANK TOTOE OF SLOPE2.1'1' MAXANGLE CUT TO45 DEGRESSLIVE CUTTING 0.5" - 2" DIABUDS FACING UPWARDSQUARE CUT TOP30" IN LENGTHMINIMUMTOP OFSTREAMBANKTOP OFSTREAMBANKTOE OF SLOPETOE OF SLOPESLOPE BANK PERPLAN SHEETS2'-3' BETWEEN STAKES,DEPENDING ON LOCATION,SEE NOTE 7 BELOW1' MAX3.0'WRAP FILTER FABRIC AROUND STONENOTES:FLOWSEQUENCE OF CONSTRUCTION FOR TYPICAL PUMP AROUNDPUMP AROUND PUMPBASEFLOWIMPERVIOUS SHEETIMPERVIOUS DIKE1. EXCAVATION SHALL BE PERFORMED IN ONLY DRY SECTIONS OF CHANNEL.2. IMPERVIOUS DIKES SHOULD BE USED TO ISOLATE WORK AREAS FROMSTREAM FLOW.3. THE CONTRACTOR SHALL NOT DISTURB MORE AREA THAN CAN BESTABILIZED IN ONE WORKING DAY.4. THE PUMP AROUND PUMP SHOULD ADEQUATELY CONVEY 1 CFS FOR NEWCASTLE CREEK.75 PROVIDE STABILZED OUTLET TO STREAM BANK.FILTER FABRICFOR DRAINAGETYPE 2(NON-WOVEN)SPECIAL STILLING BASINEXISTINGGROUNDEXISTINGCHANNELTEMPORARYFLEXIBLEHOSESPECIAL STILLING BASIN(SEE PROJECT SPECIALPROVISIONS)DEWATERING PUMPIMPERVIOUS DIKE (SEEPROJECT SPECIALPROVISIONS)TEMPORARYPIPINGIMPERVIOUSDIKE (SEEPROJECTSPECIALPROVISIONS)SANDBAG/STONEWORKINGAREATOP OF STREAM BANK1. INSTALL SPECIAL STILLING BASINS AT THE DOWNSTREAM END OF THE DESIGNATED PROJECT WORKING AREA.2. THE CONTRACTOR WILL INSTALL THE PUMP AROUND PUMP AND THE TEMPORARY PIPING THAT WILL CONVEYTHE BASE FLOW FROM UPSTREAM OF THE WORK SITE.3. INSTALL UPSTREAM IMPERVIOUS DIKE AND BEGIN PUMPING OPERATIONS FOR STREAM DIVERSION.4. INSTALL THE DOWNSTREAM IMPERVIOUS DIKE AND PUMPING APPARATUS IF NEEDED TO DEWATER THEENTRAPPED AREA. THE PUMP AND HOSE FOR THIS PURPOSE SHALL BE OF SUFFICIENT SIZE TO DEWATERTHE WORK AREA. THIS WATER WILL FLOW INTO A SPECIAL STILLING BASIN.5. THE CONTRACTOR WILL PERFORM STREAM RESTORATION WORK IN ACCORDANCE WITH THE PLAN ANDFOLLOWING THE GENERAL CONSTRUCTION SEQUENCE.6. THE CONTRACTOR WILL EXCAVATE ANY ACCUMULATED SILT AND DEWATER BEFORE REMOVAL OF THEIMPERVIOUS DIKE. REMOVE IMPERVIOUS DIKES, PUMPS, AND TEMPORARY FLEXIBLE HOSE/PIPING STARTINGWITH THE DOWNSTREAM DIKE FIRST.7. ONCE THE WORKING AREA IS COMPLETED, REMOVE THE STILLING BASINS AND STABILIZE DISTURBED AREASWITH SEED AND MULCH.12" MIN. CLASS A STONEFLOWCLASS I RIPRAP SPLASHPADPROVIDE STABILIZEDOUTLET TO STREAMBANKTYPICAL PUMP AROUND OPERATION
Drawing:File No.Description ApprovedDate
REVISIONS
Checked
Drawn
DesignedSheet 10 of 10RS
132 NEW CASTLE DR
STREAM IMPROVEMENTS
DETAILS (2)
CB
CB
NEWCASTLE_KBE.DWGKris Bass
Engineering
Raleigh, NC
Firm# P-1133
919.960.1552 (c)
WWW.kbeng.org
PROGRESS
DRAWING-
FOR REVIEW
ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517CROSS-SECTIONFOLLOWING DIMENSIONS:GREEN ECO-STAKE OR APPROVED EQUAL WITH THETHE WOOD STAKE SHALL BE THE NORTH AMERICAN12.00 IN (30.48 CM)0.40 IN (1.02 CM)0.60 IN (1.52 CM) (TAPERED TO POINT)0.40 IN (1.02 CM)1.25 IN (3.18 CM)11.00 IN (27.94 CM)TOTAL LENGTHLEG THICKNESSLEG WIDTHHEAD WIDTHLEG LENGTHHEAD THICKNESSTYPICAL TRENCH STAKEPLAN VIEWEROSION CONTROL MATTING NOTES1.BANKS SHALL BE SEEDED (PERMANENT & TEMPORARY) PRIOR TO PLACEMENT OFMATTING.2. WOODEN STAKES SHALL BE PLACED IN A DIAMOND SHAPE PATTERN PER THE PLANVIEW.3. TRENCH STAKES AND WOOD STAKES SHALL BE PLACED A MAXIMUM DISTANCE APARTOF 3'.4.EROSION CONTROL MATTING (ECM) SHOULD BE USED TO AID PERMANENT VEGETATEDSTABILIZATION OF SLOPES 3:1 OR AREAS SPECIFIED IN THE PLANS.5.ECM SHOULD BE USED WHEN MULCH CANNOT BE ADEQUATELY TACKED AND WHEREIMMEDIATE GROUND COVER IS REQUIRED TO PREVENT EROSION DAMAGE.6.6” MINIMUM OVERLAP IN THE HORIZONTALEROSION CONTROL MATTING MAINTENANCE NOTES1.INSPECT ECM AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER)RAINFALL EVENT. REPAIR IMMEDIATELY.2.GOOD CONTACT WITH THE GROUND MUST BE MAINTAINED, AND EROSION MUST NOTOCCUR BENEATH THE ECM.3.ANY AREAS OF THE ECM THAT ARE DAMAGED OR NOT IN CLOSE CONTACT WITH THEGROUND SHALL BE REPAIRED AND STAPLED.4.IF EROSION OCCURS DUE TO POORLY CONTROLLED DRAINAGE, THE PROBLEM SHALLBE FIXED AND THE ERODED AREA PROTECTED.5.MONITOR AND REPAIR THE ECM AS NECESSARY UNTIL GROUND COVER ISESTABLISHED.BOTTOM OF CHANNELEROSION CONTROL MATTING SHALL BEPLACED IN 12 INCH DEEP TRENCH, STAKED,BACKFILLED AND COMPACTEDTOE OF SLOPEWOOD STAKETOP OF STREAMBANKEROSION CONTROL MATTING SHALL BEPLACED IN 12 INCH DEEP TRENCH, STAKED,BACKFILLED AND COMPACTED2' TRENCHSTAKE WITHNAIL2' TRENCHSTAKE WITHNAILTRENCHTOP OF BANKWOOD STAKETRENCHTOP OF BANKTOE OF SLOPEEROSION CONTROLMATTING TO BE EXTENDEDTO TRENCH AT TOE OF SLOPEEROSION CONTROL MATTINGTREE PLANTING AND GUYING