HomeMy WebLinkAbout20020409 Ver 1_Complete File_20070625' Draft Stream Mitigation Site Evaluations: Information Table
NC Division of Water Quality
April 11, 2007: Draft Version 2.3
Evaluator's name(s): I 0a Evaluator's Agency: A)Ckw
Date of Office Review: (> Date of Field Review:
Other individuals/agencies present: - h ( ? _
I. Office Review Information:
Project Name: 00 1 o
Monitoring reports available?
?
DWQ Project Number: 260 Problem areas identified in reports? o
8
tion Project Type (Circle One)
CLEV Private Mit. Bank No
Problem areas addressed on site?
Date(s) of monitoring reports: (144) Or7
Project mitigation was constructed for (if
applicable): Year(s) of monitoring:
Location of project (narrative): buT SlIc Lw 1- L&
Nearest named stream (WQ classification):
(f- A-22
County:
River basin:
Approved Mitigation plan available? Yes N
Goal of Mitigation (stream length): /070-050 (073
Buffer Mitigation? Yes No
Stream length required for mitigation:
Mitigated stream length present on site: /qZo
Zone 1 Acreage
Type of Mitigation (circle all applicable) Zone 2 Acreage
Restoration (priority level ?0 Creation
Enhancement Preservation
Dates of Activities(month/year):
Monitoring equire ents and frequency:
/ start Construction Completed: ;W2,
Corrective Measures Taken:
T Date
Success Criteria:
1.Physical: 6- rdiz S ?JE(, Q-UwkLAM ill
2. Vegetation: 76 ? 2
3. Aquatic biota:
The space below may be used to provide any additional, important information that was found
during the office review of information, or to list any additional information that needs to be
obtained during the site visit:
Draft page I of 3
It. Data reported trom Site Visit
Streambank Stability:
Are Streambanks Stable? Yes No
If no, provide description and notes regarding ?t?il?ty i? fs
&Wov? AT P2161?1 i??(/w1
15 -7- pfl,Tq ?6
G?- Ir1 M ?. Structures: nn
List all Types of structures present on site: O/ Q VALO'
G?
Are the structures stable e.g. eros o depo i'tion etc )? Yes No
jovo T i)??6 AR/?)
Provide description and notes regarding problematic structures:
wjJ a)-JT
5??uetu2IV5 P1P 11??
Stream Features:
Are riffles and pools appropriately spaced? Es No
Is the final sinuosity and gradient designed approximately to plan specifications? Yes 7No
Any evidence of vegetation growing on the stream bed or in the Thalweg? Yes
Percentage of the restoration reach that has: Flowing water lt?? Ponded areas
Describe any stream features that provide evidence of unstable stream reaches (e.g. mid-channel
bars, downstream meander migration, chute cutoff f rmation, etc.):
C-,X4 0,7 _,5 c'N??uA) sc 611k Tl?
Vegetation:
Approved Success Criteria: Dominant lant s ecies TPA/% cover
1.
2._Q t
Vegetation planted on site?: e No 3.
According to the approved plan? No 4.
Vegetation growing successfully? ?No 5.
Date of Latest planting:
e trees per acre buffer
General observations on condition of riparian/buf areas (e.g. buffer width, overall health of
vegetation, etc.) I 67?
1\ f
fiWEM&ML OqAA c,
Draft page 2 of 3
Specific vegetation plots or site locations with little to no woody vegetation:
Specific vegetation plots or site locations with large areas of bare ground:
Site total % or estimated acreage of unvegetated areas:
Observations on invasive species (type, % cover, etc.)
General comments on vegetation issues(e.g. plant survival, major concerns, etc):
Aquatic Biota:
Is aquatic life present in the channel?
Yes No
Description of taxa observed, incl. quantities of individuals and general distribution of biota.
Mitigation Success:
Compared to the mitigation plan, the site is: (circle one)
successful partially successful not successful
List specific reasons for any lack of success for this site:
1.
2.
3.
4.
5.
Notes: Attach site maps showing problem areas and/or important stream features.
Attach digital photographs of representative sites with photo locations shown on site map.
1 Use the definitions in the joint state/federal stream mitigation guidelines to determine the
correct type of mitigation used for this project.
Draft page 3 of 3
"00-a
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ZOOZ09
Kentwood Park (Bushy Branch) Stream
Restoration Monitoring Report
EEP Project # 205
Monitoring Year - 02
Submitted to:
r;
-Iiiiancement
PROGRAM
NCEEP, 1652 Mail Service Center, Raleigh, NC 27699-1652
January 2007
Monitoring Firm
KCI
ASSOCIATES OF
NORTH CAROUNA, D
Landmark Center II, Suite 220
4601 Six Forks Road
Raleigh, NC 27609
Phone: (919) 783-9214
Fax: (919) 783-9266
Project Contact: Adam Spillcr
Email: ashillerrilkci.com
Design Firm
Kentwood Park (Bushy Branch) KCI Associates of North Carolina
EEP Project 4 205 Sunnner 2006 - Al}'02-Final
TABLE OF CONTENTS
1.0 PROJECT BACKGROUND ..........................................................................................I
1.1 Project Objectives .........................................................................................................1
1.2 Project Structure, Restoration Type and Approach ......................................................1
1.3 Location and Setting .....................................................................................................1
1.4 Project History and Background ...................................................................................1
1.5 Monitoring Plan View ...................................................................................................5
2.0 PROJECT CONDITIONS AND MONITORING RESULTS ....................................6
. 2.1 Vegetation Assessment .................................................................................................6
2.1.1 Vegetative Problem Areas ....................................................................................6
2.1.2 Vegetative Problem Areas Plan View ...................................................................6
2.2. Stream Assessment .......................................................................................................6
2.2.1 Bankfull Event and Stability Assessment .............................................................6
2.2.2 Stream Problem Areas Plan View .........................................................................6
2.2.3 Stability Assessment Table ...................................................................................7
2.2.4 Quantitative Measures Summary Tables % .............................................................8
LIST OF TABLES
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Project Mitigation Structure and Objectives ....................
Project Activity and Reporting History ...........................
Project Contact Table .......................................................
Project Background Table ................................................
Verification of Bankfull Events .......................................
BEHI and Sediment Export Estimates .............................
Categorical Stream Feature Visual Stability Assessment
Baseline Morphology and Hydraulic Summary ..............
Morphology and Hydraulic Monitoring Summary..........
...............................1
...............................3
...............................3
...............................4
...............................6
...............................6
...............................7
...............................8
...............................10
LIST OF FIGURES
Figure 1.
Figure 2.
Vicinity Map ........................................................................................................2
Monitoring Plan View ..........................................................................................5
APPENDIX A - VEGETATION RAW DATA
A]. Vegetation Data Tables ....................................................................................................13
A2. Vegetation Problem Area Plan View ..............................................................................17
A3. Representative Vegetation Problem Area Photos ............................................................18
A4. Vegetation Monitoring Plot Photos .................................................................................21
Kennvood Park (Bushy Branch)
EF,P Project a 205
KCI Associates of North Carolina
Summer 2006 - MY02-Final
APPENDIX B - GEOMORPHOLOGIC RAW DATA
B1. Stream Problem Area Plan View ....................................................................................25
B2. Stream Problem Area Tables ........................... ................................................................26
63. Representative Stream Problem Area Photos .. ................................................................27
B4. Stream Photo Station Photos ............................ ................................................................30
135. Qualitative Visual Stability Assessment Table ................................................................36
136. Cross Section Plots .......................................... ................................................................37
B7. Longitudinal Plots ............................................ ................................................................42
138. Pebble Count Plots ........................................... ................................................................53
Kentwood Park (Bushy Branch) KCI Associates of North Carolina
FF.P Project It 205 Summer 2006 - MY02-Final
_.._J
EXECUTIVE SUMMARY
The Wetlands Restoration Program identified Bushy Branch in Kentwood Park as a restoration
design project in 2000. The watershed of approximately 1.4 square miles is located within USGS
14-digit HUC 03020201090010 and NCDWQ Sub-basin 03-04-02 of the Neuse River Basin. The
initial planning proposed to restore approximately 1,400 linear feet of channel, 1,070 feet on
Bushy Branch and 350 feet on an unnamed tributary to Bushy Branch (UT to Bushy Branch). The
restoration was designed to correct various problems with the existing stream corridor including
unstable channel configuration, poor water quality, minimal bed features, exotic and invasive
vegetation, and poor stream and riparian habitat. The restoration plan was completed in 2002 and
called for correcting these problems by stabilizing stream banks, installing in-stream structures,
adjusting stream planform, and clearing and replanting the riparian areas with native vegetation.
Project construction occurred in 2002. This report is a description of the findings of the second
year monitoring that took place in 2006.
The restoration plan called for removal of all existing problem vegetation along the stream banks
and within the riparian buffer. The as-built survey found the original planting of native vegetation
to be unsuccessful. To correct the initial failure a remedial vegetation plan was designed and
implemented in 2004. Remedial vegetation was planted at a density of 4,840 stems per acre in the
streamside community and 680 stems per acre in the bottomland hardwood community. The
vegetation monitoring plots were established during the as-built survey. Three plots were
surveyed and the corners marked with metal conduit for future monitoring. The second year
monitoring counted an average of 2,085 stems per acre in the streamside community based on
plots 1 and 2, and 1,255 stems per acre in the bottomland hardwood community based on plot 3.
The park's disc golf course has a detrimental effect on the vegetation of UT to Bushy Branch and
on the west bank of the upper 250 feet of Bushy Branch. The damage to the vegetation primarily
results in bare banks due to foot traffic from disc golf players retrieving discs from the stream
area. Some damage is due to direct impact of the flying discs on the planted vegetation.
Microstegium was a prominent exotic / invasive plant documented throughout the site. There are
also a few areas where kudzu (Pueraria lobata) is present and should be controlled as soon as
possible. The second year monitoring found the vegetation component of the project to be
successful.
The stream assessment completed during the second year monitoring found Bushy Branch to be
functioning. Channel dimensions have not changed drastically from the designed conditions with
the exceptions of some areas of bank erosion and lateral adjustment of the channel. The second
year monitoring profile shows some bed degradation from station 14+00 to 14+50, 15+10 to
15+50, and 18+00 to 18+50 in comparison to the as-built profile. Slight bed aggradation is
apparent from station 17+00 to 17+50. UT to Bushy Branch also shows some areas of bed
degradation when the profile is compared to the as-built profile. The most notable change on the
UT to Bushy Branch is an area of bed degradation near station 02+20 that occurred after the
profile had been surveyed. Many of the in-stream structures are functioning across the project
site, though several are experiencing stress evidenced by localized erosion on cross vane arms.
The most extensive stream problem appears to be the instability of the banks along various parts
of Bushy Branch. These bank erosion issues are detailed in the following report and should be
closely monitored to determine if repairs are warranted.
Kentwood Nark (Bushv Branch) KCl Associates of North Carolina
F.PP Project 4 205 Summer 2006 - AH02-Final
t _. i
1.0 PROJECT BACKGROUND
1.1 Project Objectives
• Installation of in-stream structures to define additional bed features.
• Relocate a section of the stream in order to restore stream pattern.
• Grade severely eroding banks and excavate new bankfull benches.
• Install root wads to promote bank stability.
• Revegetate the adjacent banks to promote the establishment of native plant communities.
1.2 Project Structure, Restoration Type and Approach
A previously incised channel, Bushy Branch, and an unnamed tributary were restored using
channel dimension, pattern, and profile modifications and the establishment of a vegetated
riparian zone adjacent to the stream. Channel profile is maintained through the use of rock cross
vanes. Channel pattern is maintained through the use of single vanes, root wads, and vegetation
along the channel banks. Due to heavy site use and poor planting success, corrective actions in
the form of a vegetation and stream maintenance plan have been implemented since initial project
completion.
1.3 Location and Setting
Kentwood Recreational Park, Bushy Branch and an unnamed tributary are located within the city
limits of Raleigh, North Carolina. The landuse of the 1.33 square mile watershed is a park setting
surrounded by urban residential development with little potential for future development.
1.4 Project History and Background
Table 1. Project Mitigation Structure and Objectives
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
y ?
GI y C
O C
O
Segment C L
Q p
?- ?. CAE
o0 0 R
on
Reach ID - Stationing Comment
Bushy Branch N/A R P1/2/3 1,070 1.0 1,070 10+00 - 20+70
UT to Bushy
N/A R P3 350 1.0 350 00+00 - 03+50
Branch
Mitigation Unit Summations
Riparian Total
Wetland Nonriparian Wetland Buffer
Stream (10 (Ac) Wetland (Ac) (Ac) (Ac) Comment
1,420
R = Restoration
Kentwood Park (Bushy Branch)
EEP Project 0 205
PI/2/3 = Combination of Priority I, II, III
133 = Priority I I I
KCl Associates of North Carolina
Summer 2006 - MY02-Final
DIRECTIONS TO KENTWOOD PARK SITE:
From Interstate 1-440 take exit 2A to Western
Boulevard. From Western Boulevard, turn
right (south) onto Kent Street. At a traffic light
at the end of Kent Street, turn right (west)
onto Kaplan Drive. Kentwood Park parking
will be on the left (south) side of Kaplan Drive.
0
1-440
Western Blvd.
I Kent St. I
Kaplan Dr. I
Project Location
v v
Figure 1. Site Vicinity Map
Kentwood Park Wake County, EEP Project # 205 - MY02
0.25 0.125 0 0.25 0.5 Date: 1/02/07
iCOS?S?CIl1 Miles K C I
1\
ASSOCIATES OF NC
Table 2. Project Activity and Reporting History
Project Number and Name: 205 - Kentwood Park Bush Branch
Activity or Report Data
Collection
Complete Actual
Completion
or Deliver
Restoration Plan Apr 00 Mar 02
Final Design - 90%
Construction 2002
Stream Maintenance Plan Feb 04
Stream Repair and Maintenance Seeding 2004
As-Built Report Feb 05
Year I Monitoring Jul 05 Jan 06
Year 2 Monitoring Jun 06 Jan 07
Table 3. Project Contact Table
Project Number and Name: 205 - Kentwood Park Bush Branch
Design Firms Arcadis G&M of North Carolina, Inc.
2301 Rexwoods Dr., Suite 102
Raleigh, North Carolina 27607
Contact: Mr. William Scott Hunt, III
Phone: (919) 782-5511
Fax: 919 782-5905
Construction Contractor Shamrock Environmental Group
6106 Corporate Park Dr.
Brown Summit, North Carolina 27214
Contact: Mr. Bill Wright
Phone: (336) 375-1989
Fax: 336 375-1801
Vegetation Design Firm EcoScience Corporation
(2004 Vegetation and Stream 1101 Haynes St., Suite 101
Maintenance Plan) Raleigh, North Carolina 27604
Contact: Mr. Jens Geratz
Phone: (919) 828-3433
Fax: 919 828-3518
Supplemental Vegetation and Seal Brothers
Structure Repair Contractor P.O. Box 86
Dobson, North Carolina 27017
Contact: Mr. Brian Seal
Phone: 336 710-3560
Monitoring Performers
MY-01, 02 KCI Associates of NC
Landmark Center 11, Suite 220
4601 Six Forks Rd.
Raleigh, NC 27609
Contact: Mr. Adam Spiller
Phone: (919) 783-9214
Fax: 919 783-9266
Kentwood Park (Bushy Branch) KCI Associates of North Carolina
EEP Project 9 205 3 Summer 2006 - A1Y02-final
Table 4. Project Background Table
Project Number and Name: 205 - Kentwood Park Bush Branch
Project Count Wake Count
1.27 s q. mi. Bush Branch
Drainage Area 0.06 s q. mi. UT to Bush Branch
Drainage Impervious Cover Estimate 45%
Second Order Bush Branch
Stream Order First Order UT to Bush Branch
Ph sio ra hic Region Piedmont
Ecore ion Raleigh Belt
Ros en Classification of As-built C-E4/2
Wehadkee and Bibb Soils Bush Branch
Dominant Soil Types Wehadkee and Bibb Soils UT to Bush Branch
UT to Lake Wheeler
Reference Site ID UT to Mine Creek
03020201090010 Bush Branch
USGS HUC for Project and Reference 030202011100 10 UT to Lake Wheeler
03020201080020 UT to Mine Creek
03-04-02 Bush Branch
NCDWQ Sub-basin for Project and Reference 03-04-02 UT to Lake Wheeler
03-04-02 UT to Mine Creek
C - NSW Bush Branch
NCDWQ Classification for Project and Reference N/A UT to Lake Wheeler
N/A UT to Mine Creek
An portion of the project segment 303d listed? No - not rated
Any portion of the project segment upstream of a 303d
listed segment?
N/A
Reasons for 303d Listing or Stressor N/A
% of Project Easement Fenced 0%
Kentwood Park (Bushy Branch) KCl Associates of North Carolina
EF,P Project # 205 4 Summer 2006 - MY02-Final
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2.0 PROJECT CONDITIONS AND MONITORING RESULTS
2.1 Vegetation Assessment
See vegetation assessment in Appendix A.
2.1.1 Vegetative Problem Areas
See Table A3. Vegetative Problem Areas in Appendix A.
2.1.2 Vegetative Problem Areas Plan View
See Vegetative Problem Area Plan View in Appendix A.
2.2. Stream Assessment
2.2.1 Bankfull Event and Stability Assessment
2.2.1.a Verification of Bankfull Events Table
Table 5. Verification of Bankfull Events
Project Number and Name: 205 - Kentwood Park Bush Branch
Date of Data Date of
Collection Occurrence Method Photo Number
Site visit to evaluate evidence
06/15/06 06/14/06 indicators of stage after storm event
Table 6. BEHI and Sediment Export Estimates
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
To Be Conducted During Monitoring Year 05
2.2.1.b BEHI and Sediment Export Table
2.2.2 Stream Problem Areas Plan View
See Stream Problem Areas Table, Plan View, and Photos in Appendix B.
Kennvood Park (Bushy Branch)
EEP Project k 205
6
KCI Associates of North Carolina
Summer 2006 - MY02-Final
r.r
2.2.3 Stability Assessment Table
Table 7a. Categorical Stream Feature Visual Stability Assessment
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
Se ment/Reach: Bush Branch (1,070 ft.
Feature Initial MY-01 MY - 02 MY-03 MY - 04 MY - 05
A. Riffles 100% 98% 75%
B. Pools 100% 92% 94%
C. Thalwe 100% 75% 75%
D. Meanders 100% 75% 72%
E. Bed General 100% 93% 94%
G. Banks 100% 78% 77%
H. Vanes / J Hooks etc. 100% 83% 82%
1. Wads and Boulders 100% 80% 50%
Table 7b. Categorical Stream Feature Visual Stability Assessment
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
Se ment/Reach: UT Bush Branch 350 ft.
Feature Initial MY-01 MY - 02 MY - 03 MY-04 MY - 05
A. Riffles 100% 92% 85%
B. Pools 100% 90% 90%
C. Thalwe 100% 100% 100%
D. Bed General 100% 80% 80%
F. Banks 100% 95% 95%
G. Vanes / J Hooks etc. 100% 90% 90%
Kentwood Park (Bushy Branch) KCI Associates of North Carolina
EEP Project It 205 7 Summer 2006 - MY02-Final
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Appendix A
(Click. here)
Appendix A
Vegetation
Raw Data
Kentwood Park (Bushy Branch) 12 KCl Associates of North Carolina
EEP Project # 205 Summer 2006 - MY02-Final
App Al - Vegetation Data Tables
Table Al. Stem counts for each species arranged by plot
Project Number and Name: 205 - Kentwood Park Bush Branch
Plot
Species 1 2 g Initial Totals Year 1 Totals Year 2 Totals Survival %
Shrubs
lex verticillata 1 6 16 10 7 44%
Euon mus americana 4 6 3 4 67%
Lindera benzoin 4 4 4 4 100%
ambucus canadensis 1 7 3 1 14%
Cornus amomum 18 2 34 24 20 59%
lnus serrulata 6 1 14 11 7 50%
Trees
uercus michauxii 8 12 23 22 20 87%
uercus hellos 5 4 5 5 125%
uercus alba 2 2 2 2 100%
raxinus enns lvanica 10 10 11 10 100%
ssa s lvatica 14 13 13 14 108%
Ox dendrum arboreum 3 8 4 3 38%
etula ni ra 8 13 18 16 21 117%
Cornus orida 1 1 I 1 100%
Platanus occidentalis 3 8 4 3 38%
iriodendron tuft i era 4 6 4 4 67%
cer ne undo 3 4 4 3 75%
Ulmus americana 2 2 2 2 100%
lamamelis vir iniana 3 3 1 3 100"/o
Explanation of Probable Causes of Vegetation Mortality
• The majority of the Ilex verticillata, Sambucus canadensis, Cornus amomum, Platanus
occidentalis, and Alnus serrulata mortality can be attributed to the low survival rate of
these species in vegetation plot 2. Since much of plot 2 is located on a bankfull bench;
subject to frequent storm discharges, this part of the plot is subjected to large flows,
which may cause some of the plantings to become uprooted and flow downstream.
• One Euonymus americana found in plot 1 had resprouted from the original planting, but
had not been counted in monitoring year 01. The surviving Euonymus americana in plot
1 retained very few leaves. Browsing pressure is believed to be the cause of the
Euonymus americana mortality.
• The high mortality of Oxydendrum arboreum in plot 1 may have been due to dry growing
conditions. Since plot 1 is located on an intermittent stream reach, the reach is frequently
dry during the growing season.
• The Hamamelis virginiana increased in number because plants that were considered dead
in monitoring year 1 had resprouted or put out new growth.
• In plot 3, the two Liriodendron tulipifera trees that were standing dead during monitoring
year 1, were not found during the current monitoring. It is assumed that the dead trees
were either removed manually or knocked over during a storm.
Kentwood Park (Bushy Branch) 13 KCl Associates of North Carolina
EEP Project N 205 Summer 2006 - MY02-Final
There is over 100% survival for Quercus phellos in plot 3. This is due to a miscount
during the as-built stem count.
There is also over 100% survival for Nyssa syhratica and Betula nigra in plots 1 and 2.
This is due to either a miscount during the as-built and first year monitoring stem count
or resprouts from the original plantings that had died back.
The Acer negundo decreased in number in plot 3 because one of the trees had been cut
down. This appears to be from beaver activity; however no significant beaver damage
was documented throughout the rest of the site.
Kentwood Park (Bushy Branch) 14 KCl Associates of North Carolina
EEP Project # 205 Summer 2006 - MY02-Final
(z 113;)A) IVIOL
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Table A3a. Vegetative Problem Areas
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
Se ment/Reach: Bush Branch (1,070 ft.
Feature/Issue Station # / Range Probable Cause Photo #
Bare Terrace 10+50 - 11+10 Foot traffic from disc golf course
1 11-50 - 12+00 Foot traffic from disc golf course
10+00 - 10 150 English Ivy: encroachment from VP l
Invasive/Exotic Population outside project
164-00 - 16+75 and Kudzu: unknown VP2
19+25 - 19+75
Scattered Throughout Mimosa: outside seed source VP2
Heavy Throughout Microste ium: previously established VP3
Scattered Throughout Japanese honeysuckle: previously
established
Scattered Throughout Chinese rivet: previously established
Scattered Throughout Thorn olive: previously established VP4
Table A3b. Vegetative Problem Areas
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
Se ment/Reach: UT to Bush Branch 350 ft.
Feature/Issue Station # / Range Probable Cause Photo #
Bare Coir Matting 00+25 -- 00+70 Poor subsoil, foot traffic on matting VP5
01+75- 02+10 Poor subsoil, foot traffic on matting
Bare Terrace 03+25 - 03+50 Foot traffic from disc golf course
Path worn across stream area 00+25 Disc golf players crossing stream
02+50 Disc golf players crossing stream V
03+05
Disc golf players crossing stream P6
03+20 Disc golf players crossing stream
Kentwood Park (Bushy Brunch) 16 KCI Associates o,1 North Carolina
EEP Project 9 205 Swnmer 2006 - MY02-Final
{ i
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App A3 - Representative Vegetation Problem Area Photos
VP1 - English ivy (Hedera helix) on stream bank. Photo taken near
VP2 - Kudzu (Puerarin
16+75. 10/5/06 - MY 02
Kentwood Park (Bushy Branch)
EEP Project # 105
18
t
f
ji
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t
9 ki I
}
t
KC/ Associates of North Carolina
Summer 1006 - MY01-Final
I i + ?, l
VP3 -
MY 02
VP4 -
1/5/06 -
02
Kentwood Park (Bushy Branch) 19 KC/ Associates of North Carolina
EEP Project 4 205 Summer 2006 - MY02-Final
9! ( 1 ? :1
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VP5 - Breakdown of coir matting, with bare subsoil exposed on stream bank. Photo taken
10/5/06 - MY 02
03+40.
t
VP6 - Path worn into stream bank from pedestrian access to the stream. Photo taken near station 02+70.
10/5/06 - MY 02
i
Kentwood Park (Bushy Branch) 20 KCI Associates of North Carolina
EEP Project 4 205 Summer 2006 - MY01-Final
Plot I Supplemental Photo - Taken looking upstream t
station #3. 5/4/06 - MY 02.
Kentwood Park (Bushy Branch) owards the center of the plot from established photo
21 KCI Associates qfNorth Carolina
Plot 1 Photo - Taken looking south from the north corner. 5/4/06 - MY 02.
? I t
4
i
Plot 2 P
Plot 2 Supplemental Photo - Taken lookii
from the vegetation plot. 5/4/06 - MY 02.
Kentwood Park (Bushy Brunch)
EEP Project N 205
22
KC/
f?
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i
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Kentwood Park (Bushy Branch)
EEP Project # 205
23 KC! Associates of North Carolina
Summer 1006 - MY02-Final
Appendix B
Geomorphologic Raw Data
Kentwood Park (Bushy Branch) 24 KC/
E EP Project # 205
t
4
1 ?
App B2 - Stream Problem Areas Tables
Table Bla. Stream Problem Areas
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
Se ment/Reach: Bush Branch (1,070 ft.
Feature Issue Station
numbers
Suspected Cause
Photo #
A radationBar Formation 16+30 - 16+60 unknown
Bed Degradation 14+00 - 14+60 unknown
18+00 - 18+60 unknown
Bank Scour 10+50-11+20 unknown
11+30-11+50 unknown
11+60-12+50 unknown
12+75-13+00 scour from misdirected cross vane SP I
15+50-15+65 unknown
16+00-16+30 unknown
16+80-17+25 unknown
17+50-18+30 unknown
Engineered Structures -
back or arm scour 11+75
unknown
12+60 improper placemEt
13+10 poorly backfilled vane arm SP2
18+00 unknown
18+30 unknown
19+40 poorly backfilled vane arm
Engineered Structures -
piping
16+00
poor fabric installation SP3
Root Wads - scour 16+00 unknown ISM
1 1 I h 1
A
Table Blb. Stream Problem Areas
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
Se ment/Reach: UT to Bush Branch 350 ft.
Station
Feature Issue numbers Suspected Cause Photo #
herbaceous vegetation accumulating
AggradationBar Formation 01+80 - 02+00 soil SP5
herbaceous vegetation accumulating
03+30 - 03+40 soil
unstable soils downstream of sill
Bed Degradation 02+25
damaged b large storm event SP6
Kentwood Park (Bushy Branch)
EEP Project 4 205
26
Carolina
'02-Final
11 Kentwood Park (Bushy Branch)
SP3 -
SP4 -
EEP Project # 205
28
SP5 -
Brand
SP6 -
Kentwood Park (Bushy Branch)
EEP Project # 205
29
KCI Associates of North Carolina
Summer 1006 - MY02-Final
_ f
?i
Photo
Photo Point 1, supplem
10/5/06 - MY 02
Kentwood Park (Bushy Branch)
EEP Project N 205
i
i
4 I
iE
I ?
30 KCI Associates of North Carolina
Summer 2006 - MY02-Final
i
App B4 -Stream Photo Station Photos
Photo
Photo
Kentwood Park (Bushy Branch) 31 KC/Associates of North Carolina
EEP Project 4 205 Summer 2006 - MY02-Final
T
Photo
Photo Point - Taken looking upstream. 10/5/06 - MY 02
Kentwood Park (Bushy Branch) 32 KCl Associates of North Carolina
EEP Project N 205 Summer 2006 - MY02-Final
i ? I I ? I I i'
T
Photo
Photo
i
Kentwood Park (Bushy Branch) 33 KCI Associates of North Carolina
EEP Project # 205 Summer 2006 - MY02-Final
i
Photo
Photo
Kentwood Park (Bushy Branch)
EF,P Project # 205
34 KC/Associates of North Carolina
Summer 2006 - MY02-Final
a
Photo
35
II
I?.
KC/ Associates of North Carolina
Summer 2006 - H02-Final
?I
F
App B5 -Qualitative Visual Stability Assessment Table
Table B2. Qualitative Visual Stability Assessment
Project Number and Name: 205 - Kentwood Park (Bushy Branch)
Se ment/Reach: Bush Branch (1,070 ft.
Feature
Category
etric (per As-built and reference baselines (# Stable)
Number
Performing as
Intended
Total Number
per As-built *
Total Number
feet in unstable
state
% Perform.
in Stable
Condition Featurc
Perform
Mean or
Total
A. Riffles I. Present? 9 12 N/A 75
2. Armor stable e. . no displacement)? 9 12 N/A 75
3. Facet grade appears stable? 9 12 N/A 75
4. Minimal evidence of embedding/fining? 9 12 N/A 75
5. Length appropriate? 9 12 N/A 75 75
B. Pools I. Present? (e. g. no severe a radation 12 12 N/A 100
2. Sufficient) deep Dmax ool:Mean Bkf> 1.6? 12 12 N/A 100
6. Length appropriate? 10 12 N/A 83 94
C. Thalweg 1. Upstream of meander bend centering? 6 8 N/A 75
2. Downstream of meander centering? 6 8 N/A 75 75
D. Meanders 1. Outer bend in state of limited/controlled
erosion?
4
8
N/A
50
2. Of those eroding, # w/ concomitant point bar
formation?
3
4
N/A
75
3. Apparent Re within spec? 8 8 N/A 100
4. Sufficient flood lain access and relief? 5 8 N/A 63 72
E. Bed
General I.General channel bed aggradation areas (bar
formation
N/A
N/A
1/30
97
2. Channel bed degradation - areas of increasing
down cutting or head cutting?
N/A
N/A
2/100
90
F. Bank I. Active) eroding, wasting, or slumping bank N/A N/A 8/490 77
G. Vanes 1. Free of back or arm scour? 10 17 N/A 59
2. 1lei ht appropriate? 15 17 N/A 88
3. Angle and geometry appear appropriate? 15 17 N/A 88
4. Free of piping or other structural failures? 16 17 N/A 94 82
11
Wads / 1. Free of scour? 1 2 N/A 50
.
Boulders 2. Footing stable? 1 2 N/A 50 50
I" 'total number of features eras-built estimated from as-built profile and lanview sheets.
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Kentwood Park (Bushy Branch) 42
EEP Project # 205
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Table B3: Thawleg Points for Bushy Branch
Kentwood Park (Bushy Branch), Wake County
EEP Project number 205 - MY02
Station Elevation*
1000.0 93.4
1011.9 92.8
1019.7 93.1
1048.4 92.8
1058.7 92.1
1069.8 91.7
1089.7 92.0
1107.9 92.8
1116.8 92.1
1120.4 91.5
1122.3 91.2
1137.7 91.4
1145.1 91.6
1168.5 91.9
1177.3 91.6
1180.9 91.5
1189.6 90.2
1197.8 90.1
1215.0 91.2
1226.1 92.7
1232.8 92.4
1233.3 91.1
1237.5 90.7
1240.5 91.0
1243.3 91.1
1245.2 90.7
1250.4 90.2
1255.6 89.4
1260.7 88.8
1269.8 89.9
1286.5 90.6
1304.8 90.9
1316.8 90.7
1322.9 89.8
1325.6 89.6
1331.1 89.9
1345.2 90.4
1373.0 90.4
1391.4 90.6
1406.2 89.7
1420.6 90.0
1431.5 89.6
Station Elevation*
1436.6 88.9
1442.0 89.6
1443.9 88.5
1449.7 88.3
1456.2 87.8
1470.7 88.4
1492.1 89.5
1530.7 89.1
1536.6 88.2
1546.2 88.0
1554.2 88.1
1573.2 88.2
1579.3 88.2
1584.7 86.6
1590.1 86.5
1604.7 87.0
1610.0 87.4
1633.9 88.6
1655.1 88.0
1659.2 87.2
1663.3 86.8
1667.4 87.0
1669.5 87.6
1670.7 86.9
1675.2 86.4
1681.4 87.3
1685.1 88.0
1694.5 87.2
1702.1 86.4
1707.7 85.8
1714.3 86.2
1715.9 86.3
1720.5 86.6
1731.5 86.6
1746.1 86.6
1755.9 86.4
1764.2 86.1
1779.4 86.6
1782.5 86.3
1790.1 85.6
1810.0 86.0
1819.8 85.8
Station Elevation*
1821.8 85.9
1832.2 86.5
1835.6 87.1
1845.2 84.2
1849.8 83.7
1855.7 85.1
1888.8 86.0
1900.5 85.6
1911.7 85.3
1920.4 85.0
1924.5 84.7
1928.3 84.2
1939.7 84.4
1953.4 84.8
1963.1 85.0
1968.8 85.0
1973.0 84.5
1979.8 84.1
2011.6 84.5
2041.6 85.1
2071.0 84.2
*Elevations are based on an assumed elevation, XS #2 left bank pin is at an elevation of 100ft.
j
Kentwood Park (Bushy Branch) 45
EEP Project # 205
KC/ Associates of North Carolina
Summer 2006 - MY02-Final
" 1
Table B4: Water Surface Points for Bushy Branch
Kentwood Park (Bushy Branch), Wake County
EEP Project number 205 - MY02
TW Station WS Elevation*
1019.73 93.56
1048.37 93.22
1058.70 93.19
1089.74 93.22
1107.86 93.17
1116.76 92.97
1120.42 92.98
1145.08 92.97
1180.94 92.96
1215.00 92.95
1226.06 92.97
1280.00 91.26
1232.82 92.40
1233.32 91.58
1250.41 91.28
1269.78 91.29
1304.80 91.29
1316.84 90.99
1322.86 90.96
1331.06 90.96
1391.38 90.90
1420.62 90.43
1431.50 90.00
1441.98 89.96
1443.89 89.89
1477.65 89.88
1499.06 89.86
1537.69 89.42
TW Station WS Elevation*
1543.56 89.35
1570.25 89.37
1579.12 89.29
1581.74 88.94
1606.97 88.94
1630.88 88.93
1652.09 88.35
1656.19 88.26
1666.46 88.30
1667.74 88.12
1678.38 88.07
1682.12 88.05
1691.51 87.51
1699.05 87.50
1712.89 87.54
1779.50 87.43
1828.84 87.44
1835.56 87.42
1838.18 86.39
1848.75 86.42
1881.75 86.41
1913.36 85.62
1920.37 85.64
1949.28 85.67
1968.85 85.50
2007.48 85.51
2037.42 85.49
2066.85 84.48
*Elevations are based on an assumed elevation, XS #2 left bank pin is at an elevation of 100ft.
Kentwood Park (Bushy Branch) 46 KC/Associates of North Carolina
EEP Project # 205 Summer 2006 - MY02-Final
I I1
Table B3: Bankfull Points for Bushy Branch
Kentwood Park (Bushy Branch), Wake County
EEP Project number 205 - MY02
TW Station Bkf Elevation*
1019.73 95.12
1089.74 95.55
1120.42 95.24
1180.94 95.30
1240.47 94.08
1286.52 94.03
1331.06 93.38
1372.97 93.03
1449.71 92.02
1530.69 92.17
1579.28 91.23
1655.09 90.64
1663.30 90.92
1694.51 90.93
1731.46 89.93
1764.21 89.82
1809.98 89.67
1835.56 89.58
1900.49 89.30
1911.69 89.13
1968.76 88.08
2041.58 88.54
*Elevation are based on an assumed elevation, XS #2 left bank pin is at an elevation of 100ft.
Kentwood Park (Bushy Branch) 47 KCI Associates of North Carolina
EEP Project 0 205 Summer 2006 - MY02-Final
Table B4: Riffle and Pool Measurements for Bushy Branch
Kentwood Park (Bushy Branch), Wake County
EEP Project number 205 - MY02
Riffle Measurements
Station Len h WS Elev WS Slope
1020 29 93.6 0.0112
1048 93.2
1108 9 93.2 0.0180
1117 93.0
1305 12 91.3 0.0245
1317 91.0
1391 40 91.0 0,0110
1431 90.5
1499 32 90.5 0.0354
1531 89.4
1634 21 89.8 0.0033
1655 89.7
1685 9 89.7 0.0362
1695 89.4
1889 23 89.1 0.0336
1912 88.3
2042 29 88.2 0.0190
2071 87.6
Pool Measurements
Station Length P-P Spacing
1058 31 62
1089
1120 95 130
1215
1250 19 72
1270
1323 8 121
1331
1444 34 100
1478
1544 37 48
1580
1592 25 74
1617
1666 22 43
1688
1709 130 136
1839
1845 21 75
1866
1920 33 53
1953
1973 47
2020
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Kentwood Park (Bushy Branch) 48 KC/ Associates of North Carolina
EE,P Project 0 205 Summer 2006 - MY02-Final
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Table B5: Thawleg Points for UT to Bushy Branch
Kentwood Park (Bushy Branch), Wake County
EEP Project number 205 - MY02
Station Elevation*
0.00 105.58
0.39 104.22
5.61 105.24
9.27 104.20
23.94 104.10
33.23 104.13
33.99 103.34
47.67 101.94
58.65 102.49
60.68 102.27
66.14 101.37
72.51 101.72
78.11 100.99
79.28 100.55
87.26 100.51
89.80 100.11
98.65 99.63
101.34 99.93
103.55 98.67
104.56 98.38
112.48 98.66
129.05 99.51
135.77 99.70
146.46 98.98
150.49 98.95
153.45 98.95
155.16 98.95
160.46 98.95
166.27 98.95
182.63 98.95
189.33 98.66
190.77 99.51
197.67 99.70
202.59 98.98
207.45 98.95
209.17 99.12
Station Elevation*
210.34 97.43
212.58 98.01
216.97 97.91
217.79 96.62
221.60 96.73
222.48 97.45
223.91 97.29
224.82 96.66
230.78 96.78
232.40 96.10
235.83 96.31
242.28 96.49
244.85 96.26
246.42 96.15
247.99 95.83
255.69 95.93
260.88 95.97
264.10 95.53
266.05 95.35
274.23 95.59
279.29 95.72
283.75 95.31
296.00 95.26
298.28 95.57
298.49 93.52
300.98 93.13
306.67 94.41
321.55 94.21
324.49 94.39
326.32 91.73
330.54 92.46
334.50 93.02
339.95 92.73
344.38 92.36
*Elevations are based on an assumed elevation, XS #2 left bank pin is at an elevation of 100ft.
Kentwood Park (Bushy Branch) 51 KCI Associates of North Carolina
EEP Project 9 205 Summer 2006 - MY02-Final
t
Table B6: Bankfull Points for UT to Bushy Branch
Kentwood Park (Bushy Branch), Wake County
EEP Project number 205 - MY02
TW Station Bkf Elevation*
33.23 105.75
47.67 105.01
72.51 102.99
89.80 102.32
112.48 101.43
135.77 100.93
155.16 100.67
182.63 100.04
197.67 99.57
232.40 97.59
247.99 96.89
264.10 96.61
274.23 96.35
296.00 95.88
306.67 95.33
*Elevations are based on an assumed elevation, XS #2 left bank pin is at an elevation of 10011.
Table B7: Riffle and Pool Measurements for UT to Bushy Branch
Kentwood Park (Bushy Branch), Wake County
EEP Project number 205 - MY02
Riffle Measurements*
Station Length
9 24
33
48 11
59
73 5
78
87 17
104
129 7
136
198 10
208
314 10
324
335 9
344
Pool Measurements*
Station Length P-P Spacing
0 9 59
9
59 7 19
66
78 9 75
87
153 30 64
183
217 6 44
223
261 19 37
280
298 9 27
307
325 10
335
* Stations for riffles and pools extracted from profile due to dry stream conditions during survey
Kentwood Park (Bushy Branch)
EEP Project 4 205
52
KU Associates of North Carolina
Summer 1006 - MY01-Final
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