20050591 Ver 1_Mitigation Plans_20090521

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ROCKY' BRANCH T.1 EIAM -HSTOR" ION
YRtdkir County, North Carolina
Catalo(yuinpr Unit 030401,02
SCO It) No. f 3-06061.010
Prepared For:
North Carolina :I eparti-rient of E-avironnic is and Natural Resources
North Carolina Ecosystem I illancement Program
1652 Mail Service Center
taleiI h, NC: 27699-1652
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February 2008
lit4U
964411. ;Rff
As-13u-ih. Mitigation Plan
Y"talon Clot nty, North Carolina
Report Prepared By:
MULKE,Y
6750 TrN,on Road
Carr, NC 27518
919-551-1912
919-851-1918 (Fax)
Thomas Barrett, Rh
Sellior Scientist
k
919-858-1517
91.9-218-0692 (mobile)
Williaixi Scott I Itint, III, PE
Senior Finaineer
919-858-182.5
~: Fe )rtiat-`, 20, 2008
Kati W IM) I ;. Roil! 10*00n 11"; INS
'Hale of C' mfents
Executive S11111111ary ...........................
1.0 111troductinn .............................
1.1 Projccl tioals and Otjcctivcs
1.2 Pr sect Location l
2.0 Pre-construclicnt Conditions ................... ............................................
2.1 Rocky Branch Watersliud
?. Streams 2
12.1 Rocky Branch 3
2?.2 Tribulary I
2.2.3 Tributary 3 1
2.3 Jurisdictional Wetlands t
2.4 Plant Communities 5
2.5 Farm Management Issues b
2.i.I l..iwslock 6
2.5.2 Waste Storage Pond 7
3.0 Restoraticui Plan .................................. ............................................
3.1 Streams 7
3.1.1 Rocky Brancli 7
3.1.3 Tributary 1 h
3.1.3 Tributary 2 q
3.2 \VutlaIIds 9
33 Planting Plan `)
3.4 f=arm Mana"unlenl PIa11 I t?
3,1,1 Livestock I (1
3.=1.2 \t'asl'e Storage Pond I I
4A Nost Construction She Conditions ........... ............................ . ... . . . ........ 11
.l.I streams Il
.4.2 \Vctlands 12
4.3 PI0111Cd Vuf.!utalion 12
&I learnt Management 12
5.0 Monitoring Plan .................................. ........................................... 12
5.1 Success
for St1'ca111s 12
5._' Success `11iteiia loi Vegetation
Criteria 13
5.3 Methods 13
5.3.1 Photo Documentation 13
5.3.' Vcgulatum Plots 1.1
533 Strea,ns 1,1
53A DOwnskii 1.1
533 Pattern and Prolilc 15
5.3.6 Bed Material Analyses 13
5,3.7 1lydrology 15
5.1 \Velland Pelfornlanice Criteria 16
53 Rgwrllnl! 16
6J) Maintenance and COntingomy Plan, ....... .............................................. 16
_'NO
7.0 Points of Contact .................................................... ...................... 17
8.0 References .................................................................................... 17
9.0 Figures
I here I. Project Site Vicinity N4a11
Figure ?. Project Location Map
I Turc :;. Pro?jcct Site Waler?,hcd M q)
I figure =1. I.anduse Flap
111.0 Tables
'fable 1. Sununarv of I:xistilw Cress Sections
Table ?. Rock- Brunch Strcnm Restoration SuinnMar\'
1'ablr s. Recommended Plant Species and Planting Zones
'I able •1. Vcgctation Plot Information (Year 0. 2007)
'fable ?. OPS C'oordinales fie. Site Locations
11.0 Appendices
Appendix A. As-Built Plan I)r,n\ings
Appendix B. Cross Section, (Year 0. -007)
Appendix C. Cross Section Photos (Year (1..'.007)
Appendix U. Rclircnce Photo Points (1=.xisling! Conditions. -2005)
Appendix F. Reference Photo Points (Year 0.'_007)
Appendix F. Vgclalion Plot Photos (Year 0. 2007)
Appendix ( i. Wolin m Pebble Count Data (Year 0. 2007)
Appendix IL Areas of'Concern
1A ju IAmtit 1%' Mull ra J7lft'clill ?7J Owl Fi'N./tarr-'OON
EX.GC"t!'1 (V it111.1MARY
The Rocky Branch `?trcarra restoration Site (IM RS) project chains approxinaatcly 3.1
square miles (1.984 acres) within the YadklnW Dee laver Basin, IN prcaject is located
inuaaediatel?? adjacent to Interstate 77 (1-77) with a largos pemm, or the original strearn
occurring within the. 1-77 right-of-way. This pic-existing location of the Rocky Branch
stream channel is a product of' roadway construction completed in 1967. Over the last three
decade", the channel relocation has resulted in severe erosion at the base of this roadway
slope. In addition. excessive cattle !.razing on the adjacent pamurchrid has resaaltcd ill
stream bank erosion, mass wasting of hanks, reduction in the riparian vegetation. .and
deg1raded watcr quality. To protect the roadway and to restore the rocky Branch strcarna
channel anew stream channel vwras constructed through the adjacent pastureland.
T'hc original Rocky Branch channel totaled 2101 linear feet within the proposed
conservation casement. This pre-cxistinug- Rocky Branch channel classilied r?s predominantly
a degraded (A channel according to the Roslen steam classification system (Rosgcn.
1994). IS two existing tibtrtaries located within the proposed consenwiora easement
totaled 873 linear Ilea The original Tributary I classified as r? C'S stream channel and
Tributary 2 was not classified title to its severely degraded nature.
The proposed stream classification Cor Rocky Branch was a C4 channel. A combination of
Priority I. 2. and 4 restoration levels were implemented on the Rocky Branch channel. The
restored Rocky Branch channel located within the conservation casement totaled 3.820
linear Icct. Trihutary I was relocated and sNwWi cd and Tributary 2 was converted to a
pond due to landowner agreements. The restomlion of Trihmary I re,trlted in 172 linear Feet
of a new E,4 stream channel utiliziratit Priority I restoration. A total of` 3.992 linear fict or
stream channel was restored at the RI3SRS within the conservation easement.
A conservation easement totaling 24.095 acres was established to perpetually protect the
stream restoration project. Approximately 17.6 acres of riparian and 3.9 acres of upland
htrl'fcr were planted within the conservation c<asenwrit to reestablish a native plant
coraannnaity. Additionally% cattle ch inkers. swells, and shadehouse Were installed as rr harm
management component of the project. An inactive waste storage pond ulaslope of rile
project site was decommissioned prior to the steam restoration activities.
Pts report describes the pre-existing; conditions, the proposed restoration plan. and the post
construction conditions. The report also outline; the protocols by which the channel
stability and vctictatiora survivability will be evaluated. More sl)ccifically, the success 01'
channel restoration. erosion control methods. vegetative plantings. and the long-term
stability of the project, ']'his will be accomplished by monitoring and reviewing the
(allowing, items.
• Permanent Cross; Sections: A total of* 8 cross sections (•1 riffles. 4 pools) will he
surveyed Ior the Rdlowhg 5 years at the specified locations.
K,+cAr 14wh it i, Moll .ilrrr!??riinu !hill I G -hiu;n-i, 00""
• Longitudinal Prof-lics: I,ow itudinal proliles v\ill be survcved for Rocky ki-mich
from S(ation: ( 1177 to 31 1 77) and Jor ' I'rihIIWry I from Stations (()', N to 1172).
Particle Sire Analysis: Pebble counts will be conducted for tile followinf for 5 years
at each of the 8 pcrmancnt cress section locations.
R(I'Lrence° Photos: Photos will he taken at locations specified in this document to
clocumcnt ml to Qualire cl gcs at the site over the 5 ycnrs.
Vc:t:ctation Plots: A total of I I vcL?ctation loots have hecn established within the
ril)aridn hu11'er and stream hanks tl11-OL1gl1out the site to cvaluatc the success 01' the
vegetation.
Crest Gage: A single crest ca e has been established to evaluate the number of'
bankt'ull events that occur at the site.
Mulkey completed the as-huih dmwhgs in Augmt 20O7 in([ will also be responsible Rw the
10 year POOR) or mmmitoring at the site. Subsequent monitorint; years 2 - 5 will he
conducted by a consultant sl)ccificd by, the Ecosystem 11hancement Pn)gmni (FIT).
R( (-4t' Pr,1)It /t t c-PIttl1 AIit (tf(Itit ?u i'ItIII drit+y _,ntm
1.0 Intrmductiou
1.1 Project Go' is and Objectives
The grails "Ads strc'an1 restoration project 4vere to:
o To improve the overall water quality and aquatic habitat in and around the stream
channels by reducing sediment and waste inputs into file stream causal by brink erosion.
mass-wasting, and livestock influences.
? To improve the richness and diversity of the plant Species within the coaiscrv,ation
casement.
® To la state on going Hvcstock operataorN through I'<ii m i ian.ipyrnent improvements.
* To providC pCrpctual protectiona for the restored Stream channels and associated ripariall
and ul)land bul-}cis.
these goals will be met throutil i the lollowirl'p, objectives:
r By trsbg natr.rral channel design to resfore stable dimensOn. pattern, and profile for the
project stream reaches.
4 By estabhshinagr, n native plant corrirliunity to match the endemic plant slaccies at the site.
o 11), reducin. the quantities of exode invasive sycies art tlae site through me elmllical and
chemical methods.
0 By decommissioning a claim waste smragc pond to eliminate future risks to the Rocky
Branch channel and tile watershcd.
? By iristallira:., watering fiacilities and a shaclchoiise to manage livestock previously using
the restoration site..
? By establishing a conservation easement and permanent tcncin g to provide lone.;-term
protection for the site.
1.2 Project Laocatiou
Ile Rocky Branch Stream Restonition Site (RBSRS) is situated in the southwest corner of
Yadkin County. North Carolina, Spccilicaliv. it is located on the cast We of 477 between
SR 1 120 and SR 1122. approNimatcly three miles cast of i la nptom illc and two miles south
of the t'S 4 2U I-77 intcrchange (11gure 1). The restored reaches lie within a 24MQ5 acre
conservation casement. Three individual landowner's currently make ul) the land contained
within this conservation casement. The acreage within the cascnncnt is divided aunongst Mr.
IN Mien ( l 3,461) acres). Mr. Joe Men (&98 acres). and MI-S. TCxie Owens (3.641 acres).
10 Su nm rry of Pre-Construction Conditions
2.1 ltoclq Branch Watershed
Rocky 13raanch anti its two am umed tributaries are situated within the Yadkindle Dec River
Basin. The site is specifictalh, within the US (Imlo gic<al Survey (USCN) hydrological unit
code (IHY) 030=1()IM and the NC I)iyisio n of Water QuNity (KCD\,V(,)) sub-basin 03-07-
Krn A firr"k /I I- 81fill .t ?UlYt771u17 Pfau Italy _111os
00. '1 his sub-hasirt is known as the South Yadkin River Watcrshed and covers Q07 square
rnilcs aeres). Forests and agrictltural operations account liar approxinr<alcly 9.7"f,
of the land use within tlac suh-hasin.
Rocky Ilranch arises near the Town of IMarlcr. north of Iis 421, and flows cast, crossing
portions of the I is 42 U477 imcr charge. lvhwe turning south. Tlic stream passes through
the project area en rotate to its ultiniatc conllucnce veith hunting ('reek, located
approximately 1.000 I'M south of the IMSS.
Rocky Branch Mew its surface hydrology Front four unnamed tributaries prior to entering
the RMRS. AVithin the site. Rocky Branch receives hydrologic inputs front Tributary 1.
which contains a d1- ti mpe area oi'approximately O.2 square miles (1 18 acres) and tributary
2 (natural spring), originating imntcdiately outside of the project area (Figtarc 2).
1lydrological inputs to Rocky Branch, south of Demons I Idl Road (SR. 1120) are linttted to
lbws from drainage ditches. small seeps and sheet flows across the landscape. 'Ile drainage
area associated with the Rocky Branch watershed is approximately .l squwv stiles (I 984
acres) (11gurc 3).
"file donlbwo land use Whin tile. pocky Branch watershed is primarily agriculture. vyhich
occupies approximately 75 percent of all land area within the watershed (Figure 4). Rural
residences are included NNithin the agricultural land use category. where they corttprise a
small subset of' tile agricultural land use. Agriculture in this area is primarily field crops and
livestock production. ('01-11 and small grains arc the chief agricultural crops grown in the
area. Other agricultural land areas are used as pastures for dairy and beef cattle. Forest
lands within the watershed are limited to small, narrow areas that account for approximately
20 percent of tile land use. Impervious surfaces all([ intensely anaintained areas lying
adjacent to these areas account for the remaining > percent of the land area. '[,his large area
of' inapcrvious surface can be attributed 10 the close proximity 01' two major- nttrlti-dane
highmiys (US 421 and 477). as well as the presence of three secondary roadways in the
hnnaediate watershed area. Three corrugated metal pipes empty storrtawatcr front 1-77
directly into the sire arrt channel.
It is reasonable to predict that Mature land use trends in the watershed area naay gradually
shift from pure agriculture to rural honiesites and small businesses. ./agricultural demands in
tile- area will rcntain high: however, tlae grovvtll and expansion of nCarby urban areas Coupled
with the proxi11tity of the 14VLIS 421 corridors AH likely ham a tremendous effect on the
area.
12 Streartas
IS original location of the Rocky Branch stream channel (along the cast toe of the 1-71
roadway fill) is a product of [lie 1..77 roadway construction completed in 1967. Prior to the
construction of 1-77, a segment of the stream channel. which presently flows through the
RHSRS. originally Flowed southwesterly at the pwscm location of the 1-77 corridor, helore
looping back into the present RBSRS. This channel reach \?as relocated to the hose or the 1-
77 fill slope to avoid the need for two culycrts. Over the last three decades.. this rcaligmttcnt
h5kir lhwlu-lt IV lk'trill .alrit f,rio Ii flan l'??i?r?rtrr` 'OOS
of the Reeky Branch chaarncl has given rise: to areas of erosion "long tlae base 01' the till
slope. which, if' ignored, may eventually conapronlise the integrity of the roadway. Rocky
Branch is currently being impacted by cattle grazing. This dwnage includes stream banal:
erosion, mass wasting of banks, and reduction in the riparian vegetation. Grazing, of cattle
without adecitatc fencing has resulted in MWAricant damage to the Rocky Branch channel
and its water duality. 'T'he, lack of vegetation and the steep topography stirrcanndin;.g Rocky
Branch has also caused additional degradation clue to the increased overland floe=.
2.2.1 Rocky Branch
R4ulkey surveyed the existing streaanls and project site fly usiFu,1 total station Survey
ecluiprnent Nvith OPS survey grade receivers, `iurveys included 2,901 linear feet of Rocky
Branch stream channel w4hin the prciposed conservation eaasernou and I M64 lire= Of of`
channel located Nvithk the 477 right-okway. Ko tributaries totaling 873 linear feet were
also surveyed Or a? total of X1.838 linear feet of'strerarn starveys at the site. Topographic data
from the N(I)(Tf were nherged with the survey data collected by NIL11kcy. 1xisting
condition surveys included longitudinal profiles, cross sections. pebble counts. and bar
samples to deternline the current state ol'the strearrn Channels. FNisting longitudinal profiles
were conducted by identiljing each stream feature (riffle. run. Pool, or 4!iidC) and surveying
spcciric points at those features. 'T'hese specific locations inchrded trap of bank. b<ankfull.
waters QC or surfiaee, and AN, In addition, 14 cross sections were identified at
represcrataatiVe stream features throughout tile project to Cully characterize the dimension of
the existing channels associated with pocky Branch and Tributary= I (Table 1). Following
we corhplctioal or the existing charmer surveys. pebble counts were conducted at spCCille
cross section locations as well as a Or sanhple analysas. Data pertaining to each ';tread(
channel are discussed in the ftalloxving sections.
The existing Rocky Branch channels fatal aalyrnw innately 3.774 linear feet within the
proposed conservation eaasenlent. The existing channel slope ranges troni 0.0155 ft/ft in its
ighpcr reaches and maintains in average slope of 0,0044 fifft thrc7ug11G7u1 the rerhainder of the
project area. Rocky Branch is classified as a B4/1c channel in the upper portions of the
project according to the Rosgen stream classification systerh (Rosgen, 1991). As the slope of
the channel cirangCS. the channel morphs initially into a degraded C=T Channel and then to a
degraded FA channel bcfore reaching the bridge at Si( 1.120,
The compositicm or the strewn bed and banks is an inlymunt Icacet of stream charactcr,
influencing channel Turn( and (hydraulics.. erosion rates and se.diru:nt supply. The stream bed
along, Rocky Branch was characterized casing two protocols. the modified Wolman Pebble
Count (Rosgcn. 1993) and the bar sample analysis. The bar sarhhple analysis provides data
f 'or both corhparison purposes and sediment transport validations.
According to the modilied Wohnan Pebble Count procedure, the average d5r, (50% of` the
sarlhpled population is equal to or liner than the representative particle diauneter) is
approximately 11,0 mm fear Rocky Branch. which falls into the mediurh gravel size
category. Pebble counts were conducted at representative riffle and pool locations
throughout the reach,

A',wA L'r'm h 1c !Berne;ililie:,Ifi'm PI'm I- cb/lfu:r _'11ON
disturbed soils in the pasture. WN results in a constantly changing pattcru of succession ill
dw paslurc.
Vegetation lMind in this connl mhv is consistent with the Schai'ale, and Wcakley's (1490)
Picthnont Bottonllaild Forest classification. This vegetative community gists along the
wooded portion of the projcct site currently owned by Mrs. Uxie Owens. lh n hHult species
firtnld within till', Vegetative community include red maple (,"Icc). ruhrrrrrr), river birch
(B('1111(t ni rlw), sycamore (Phimnrls ocride)Imlix), tulip poplar (l_irinclemb-oo Itrli)?i?<ru),
American holly (Bay tuna and (Vincse privet (Liglistn•rrllr sirle)Ise). Picdnwnt Bottondand
Forests are generally situated on floodplain ridges and terraces other than active levees
adjaccnt to the strealli channel. They Ire underlain by Varirxts alluvial soils, including the
C hcwacln Gold Congaree series. These comnunities are flooded: however, they are seldom
disturbed by IloWing water. Bottoulland forests are bclievcd to form a stable climax forest,
having; an url-even aged canopy with primarily gap phase regeneration. although the
possibility of till ustia11), deep and prolonged flooding may make widespread mortality more
likely than in uplands (Schafide and Weak Icy. 1990).
This Veutative Coln in Lill ity Contains species and chame edmies Cotlllnonly associated with
the My Oak----1lickory Forest describcd by Schafade and Weakley (1990). The community
occupies an upland area of the project site where the highest elevations are round. The
dominant Species (mood at the site include red maple, mocke.rnut hickory (C al-,)w tomertlww),
white oak ((?rrrrcrr.` (rlhu), scarlet oaf: ((.hierviu mmineu), tulip poplar. American holly,
post oak (CMCU'c'rr.l- stCllntu). Southern red oak (QIlerrus fillcalu), black cherry (I'r•rlmis
scrotinu). and American beech (Fugits grmi(tl /)li(r). Other less dominant species found
within this vegetative community were Virginia pine (I'irius rir,ghiicuru). Eastern reel cedar
(Jullilm-lis rirrrinialul). sou rwood (0.tvtlcmh-um cm•hmyrrm), black walnut (,hQns ni,trt'a),
and white pine (Pillus strohils). Species found on the fringe or this community include
nlotlntain laurel (f uhuiu hitrJ)liu), blackberry (llOus• spp.), and Chinese privet.
2.5 )Farm Management Issues
I Ills section inCltldl`S mamlement activities that bill oiltslde or the stream mstoration tasks.
Ina are directly linked to the overall duality or the project. The tasks have arisen as a result
or the proposed stream restoration project or are a part of the aniserwakmi easenlcia
agreement. The hallowing sections briefly describe the proposed farm management plans.
21.1 Livestock
As a result of the proposed stream restoration activities. livestock currently utilizing the
Rocky Branch channels for water "Al no longer have access to shade or watering areas
along the stivani and immediate riparian areas. Duc to the lack or Vegetation in the pastures.
a source orshade will also be needed for the cattle.
6
Tfir,r-ky .match . ia -lUM A Jirycxon P61 Fc llrurrrr '00
L51 Mste Star. ge Pond
Ara inactive dairy waste storagc pond c:errreratly occupies approximately 0.5 acre of land
found on Mr. Bill Allen's property. vyhicla is upslope of proposed stream restoration
acfivitics (Appendix A. Sheet 11),
3.0 Proposed Restoi•ation
3.1 Streams
Iksig,n methodologies are based can natural channel desigyn concepts outlined by Rosgen
(1901 1991 19981 'These naethodolog;ics include existing and refi~'rcnee reach channel
surveys, data interprezAms and gcomorpholog;ical comparisons of all channel f'.atnr'es.
Based can field obscrvadons and preliminary ideas. the pre>jcct will attempt to implement
Priority 1 and It Restoration and Primly IV Stabilization. The restoration of Rocks' Branch
will 161low Priority Level 1. If. and 1V pr'otocols. Ile Priority Level I Restoration \Vill result
in a new Main channel adjaccnt to tlae existing; channel that exhibits a bang; height ratio
(ratio of the low bank height divided by the bankfull hcig,ht) of I A, I`1ae sinumhics or tic
new channels with range: around 12. The Priority Level II Restoration involves construction
or a new (Ammacl whh a floodplain bench at the bankftrll elevation. The Priority Level IV
Stabilisation will involve the place?aacnt of structures to alter the di?aacnsion car the. channel.
without Constructing a new channel. A sumraaary of the existing and proposed streams at
R13SRS is outlined in 'fable 2.
This segr?aacnt of Rocky Branch was selected 1o1• the excellent opportunity it presented to
restore natural strcaraa functions, to cstabHsh effective riparian bufle•s and to restore healthy
noodplain stability. Much of the land "ithin RBSRS is dominated by open paMWV Without
lencing. Since cattle: have had relatively unrestricted access to the creek channel for
watering,, they channels at the. RBSRS have been suvel-cly impacted. Stream restoration will
be impUncntccl on the Rocky Branch channel ;md one of its two unnamed tributaries
(Tributary 1). A pond All be created in place of the other ummnaed tributary (TriNam y 2).
which is feel by a natural springy. Approximately 24.095 acres of conservation casement will
provide large Friparian and upland buffers to protect the restored stream channels. The
projcct "111 also provide a shade house and watering; structures Rw approximately 75 beef
cattle. In addition the project will provide asSistancC in decommissioning a dairy waste
storage pond. The entire conservation alsorimt will be fenced to restrict access to the
restored areas ern(] tile.. 1-77 rigrht-of-«ay. A permanent crossing, will be established within
the conservation easeanneaat. Access to the site will be limited to gated entry paints.
3.1.11 Rocky Branch
It is anticipated that Priority Level II Restoration design measures will be applied to
approximately 320 linear feet or Rocky Branch (Station 0-1-00 to 7 t-20). 'Phis upper reach
area will scree as a transition from file existing channel to tlae n0V])l ConstrUCWd channel.
The slope in the upper reach averages 0.0109 fiifi. IdAch is the steepest portion ortlac entire
project. Cross vanes will be the primary structures used in this section in order to provide
R. (-4k- 8r,rI/, h 1±-I;IIill :r/ilit;?ttirui flan I- , -brrrfrrr '008
stability and grade control Rw this area of transition. 13enkfull cross sectional areas Wild in
this portion of the project avcraqpc 3M.0 square test for riffles and 35.7 square. lect for pools.
The upper retch stream channel will contain floodplain benches. which will help reduce.
stream velocities and provide a mmsitimal tool to link the Priority I stream restoration area
starting at Station 3 20.
Ile middle reach of the proposed channel is the beginning of Priority I restoration activities.
The middle reach which contains a slope of OM 069 IM will provide a gradual transition
between the topper and the lower reaches. Banktull cross sectional areas associated with tale
middle reach average 35.() square iM Itnr riffles to 46.0 square lect for pools. Banklull
associated with the middle reach will lie at or eery close to the top of bank. By positioning
the bankfull elevation at the top of bank, the stream channel with be We to fully utilize its
floodplairr. ']'his utilization of the floodplain should significantly reduce bank erosion.
Structures used in this section w-•ill include cross vanes, j-honk varies, and single arni rock
vanes. Romw•ads will be installed at specific areas to relieve stress from outside bonds and
to provide natural habitat f'or aquatic. life.
The lower reach of Rock}' Branch begins at Station 11 +80. where it continues to follow
Priority i stream restoration methods. `t'his section contains slopes avcraging 0.0034 ftlft,
which arc tine lowest throughout the project. Baunkfull cross sectional areas associated with
the lower reach average 45.0 mlinwe Of IN riffles and 52 squarc foci for pools. This
reach will also utilize cross vanes. j4looks. A& arm vanes, and rootwads structures. Any
existing drainage tiles within the conservation casement will be removed or destroyed
during the channel camsu-uction. A 2-5 lbo t-wide pc rt lancet RmA cavssing will be established
within proposed pocky Branch channel between Stations 14 99 and 15-1-24.
Beginning at Station 37+10. where the new channel connects buck to the existing, channel,
stream restoration methods will fallow Priority IV stabilization methods. This section will
use a minimal number of cross vane. structures to achieve the appropriate channel
dimensions. Stream Ranks will be sloped and tapered into the floodplain, which will reduce
the current hank erosion induced by cattle grazing. A boulder, which is located outside of
the casement. will be removed to allow unimpeded flow of the strum.
3.1.2 ` i-ibutary 1
Streaun restoration associated with 'T'ributtuy I will be exclusively Priority Level I
Restoration. 'T-hc proposed restoration will reduce the linear footage of the: stream channel,
but provide a more natural configuration and alignrtnent with the Rocky 13runch cha rmel.
The newly constructed channel will likely classify as an FA Bankfull cross sectional areas
proposal for this stream channel are 15 squnrc feet A riffles and 5.25 square feet Ar pools.
Cross vanes "Al be installed to provide grade control within this newly constructed channel.
Spoil material removed from the newly excavated channel "ill he placed in the abandoned
channel ol" FributOry 1 following the placement of clay plug at the new connection point.

3.1.3 Tr''rb tart'
Tributary ? avill be converlcd to ar springy-i'ed pond as as result of kindowiler negotiations
pertaining to the conservation casenlcnt.
3.2 Wetlands
Welland A is likely to be impacted by the relocation of the Rocky 13rarnch channel. Several
areas will likely receive clay plugs to Caciihme the new stream channel location. Ilowevcr,
the rernahling portions orthe wetland will be enhanced through native avetland plantings and
natural seeding,.
Wetland i3 is expected to expand as a re.suh of the stream restoration project. The removal
)f sevcrarl drain tiles durjng the construction of the neav svearn channel will nwihtate the
expansion or the wctland. The relocation of the stream channel closer to this weda nd will
also reconnect hydrology and natural floodplain.
Wetland C- is trim) expected to expand as a result or the :stream restoration prcaject. The
original location or Ubutary I will he filled, which will allow Welland C to gradually
expand to"An! the new Rocky Branch channel. The natan•al seep providing hydrology for
this wetland avill no kmger he able to dram) into the original Tributary 1 channel. which will
likely result in a larger wetland.
Vernal pools are proposed for the restoration plats to provide additional habitat and water,
storage (tar overbank flooding. These vernal pools "Al be installed after the stream channels
have been restored to finalize their size and placement.
The original Rocky Branch channel will be partially filled in specific areas during
construction to provide a balanced cut/1111 cluaanthy. Specific areas along M the 1-77 right-or-
way will not be filled to facilitate the three corrtataated rnctal pipe flows emanating frown the
adjacent roadway mcdAn. `('bete surface water areas will provide Nvatcr storage For
stunw,vater runofrand additional mAdlire and aquatic habitat tear the site.
3.3 Planting Plan
The plantings playa Ior the riparian and upland buffCI'S of the Rocky Branch site will provide
past-construction erosion contml and riparian habitat enhancement. The placating plan will
also attempt to blend existing vegmaative comn tildes into recently restored areas. PWntings
in the buffer areas mill include native species appropriate fear the Piedmont physiograrphic
province and the 1t13SRS. Plants within the iloodplain will be flood tolerant species. which
can accommodate periodic floodh events Ihr mghmu the year. A vatrin of trees and
shrubs will be planted to provide cover and habitat IS w°ildli(e as well as soil stabilization.
free and shrub species will be placated in specific placating zones. Thcse planning zones will
arccomrnodate plant species Well have specific regWretnents for growth, Ilydrolog,y and
topography are rnaain factors than dictate a plant's ability to survive and to thrive tollowingt
9
Ror/t lirtam-11 1.% Biti/t ,1/rrrp,crlru11 Man Fl'brlnnr '(Ms
plantin,,. fhcsc plantim r.oncs will he c'rcatcd around these requir•enaents and Neill include
the fi)llowlra;; zones: lone 1 (Stream Banks), %(Inc (Itip,u'urra 13ttller). Io?te 3 (\VCllar?cls).
Zone 4 (Vernal fools). and fonc i (Upland 1lufler•s. `shrubs and trees with extensive. deep
rootitat systems will assist in stabilizirt`? the banks in the long term. Dative ?`?rasses.
transplants, and live stakes will be utilized at the site l 'Or immediate stabilization as well as
erosion control matting along the tacvN?ly created stream banks. Vellaetation will be planted in
it random fashion in an C11,611 to mimic natural plant communities, Colonization of local
herbaceous vegetation will inevitably occur, which will provide additional soil stability.
Trcc species will be planted as bare root stock on random ci?ht-liaot ccntcrs at a G'cyucr?Cy
of' 680 stems per acre, Shrub species Nvill be dispersed among these tree species also oil
random eight-foot centers. Planting stock will be culled to remove inferior specimens, so
only healthy. viable stock will be planted at the IMSR5. Planting of* species will utilize
dormant plant stock and will be perfiormcd to the extent practicable between December I"
and March 15"i. A list ol'spe:cies proposed for each /one can be Bound in fable 3.
3.4 harm Management Plan
Mulkey will provide a set of cfesign sheets for the implementation of' the proposed I'arnt
]Ill lilt g"enacnt plan. Components of'the plan include the following section: the installation of
watering. structures, the drilling; of wells. the construction of a cattle shadchouse, and the
decommissionint, of "I \vastc storage I)oncl. Mulkey Will also provide construction oversight
during the implementation of' the plan.
3.4.1 Livestock
To provide adequatc water. and shade for the cattle affected by the stream restoration
activities.. the following best management practices \vill be provided to the landowncrs: five
drinking stations. two wells, and one shade house will be installed at designated locations
outside of, the conservation casement.
Ill order to provide water for approximately seventy-five head of` beef cattle. ftxn• drinking
stations and a well will be installed on Mr. Joe Allen's property. Also. an existing; well on
the st?tnc property will be connected to two of'the drinking stations, while the rcmaiuing two
stations will be connected via a newly drilled well. In addition. one well and one drinker
will be established oat Mr. Bill Allcn's property as part of the conservation casement
agreement.
To provide shade liar the cattle, a s}tadehouse will be installed on Mr, ,toe Allen's property to
provide artificial shade liar the livestock. According; to specifications outlined by WCUVer'
(2004). each cow requires approximately 64 squat•c feet of' floor space to adcgt?ately coexist
within the shade house. A structure: will be built to provide a minimum 5,000 square I'M of
lloor space liar 75 head of beef cattle. It is recommended that horizontal structural beams be
used to reduce the: muaabcr o1' internal supports and that the 11001' of the structure be made of
coni;r•ctC. The ttse 0f structtu'al b4ttt»s and concrete 11001•itag Will cxpcditC daily maiaatenattce
processes and provide a higher ICve) of sanitation within the shade house.
RIM 1hunkh .!0(18
3.4.2 Waste Stoi- age frond
lb recltace future risks to strcaara water quality in tlac Rocky Branch channel and to protect
the stream restoration inve.stnacnt, the waste storage pond will be eliminated through a
deconrtnissioning process. "I'hc State caf North Cmrolinrr requires a ti °mste sioragt laorxl clostarc
pkm to be written by the local NRCS before any waste can be rmum,ed or land applied. As
a part of the waste storage closure plan, sludge and liquid waste samples were taken to
dettrmint their current nutrient content. Soil samples fCOraa adiacerat f'ar•nalancl were also
taken to determine their Current nutrient levels and respective soil properties. "these samples
were taken to the North Carolina Department of Agriculture. (NCDA) laboratory in Raleigh.
NC for analyses.
following the completion of a waste storage pond closure plan, a contractor- will be hired to
hallow the specifications contained \vitlain the plan. Solid and liquid waste will be removed
and hood applied to Mr, Ball Allen's farmland directly amass SR U20, ctu•rently being,
leased by Myers "arms, Inc, Fach year a waste naanaocrrrcnt plan is prcpared f'or their
Im ing operation and the decommissioning of the dairy \,vaste storage pond will be
incorporated into their 200 \vaste managenient plan. All land application activities will be
coordinated with Myers faraaas to taaswv that an active crap will be growing, or will be
planted within 30 clays of application of the waste. (Awe the waste has been completely
removed from the storage pond and the excavated site passes a required inspection, the pit
will be filled "Ili suitable earthen rnaterial and graded into the surrounding topography=.
4.0 Post Construction Site Conditions
Construction at the RBSRS began on May 15. 2006 and was completed during the last week
or September 2001 1=o15m ing constructionn. the site lams experienced at least 3 large
bankfull everts, which caused sonic bunk erosion due to the lack or vegctatiora grad 1 av)•
stand deposits located throughout the lloodplain. A large clay berm \\,as installed at Rocky
Branch STA 1 +.771 fight-of- ay Ftrace, to prevent Rawe erosion and to prevent channel
migration, ha addition, portions cif' (lie right-of-way fence were removed to prevent debris
,earns rand replaced with single strands of wire. The NCl)OT approved this alteration to the I-
77 right-ol-way fence, The final walk-through carts completed at the site on June 15. 2007.
4.1 Str•e:ar<iris
'1°lac longitudinal profiles of the newly constructed stream channels at the site «cre surveyed
using total station survey egtdpinent. Cross sections selected for monitorring, were surveyed
using a rod and laser level. Existing longitudinal profiles \\'cre conducted by identifying:
each streaan feature (riffle, run. pool, or glide) and survc)'ing specific points at those
features. These specific locations included top of bank. bankfull. waters edge or surface,
and thalwcgh A summary of the restored stream channels and their proposed Stream
rMiHgrrtion Units (SMIN) are outlined in Table 2. A complete set of As-Built Drawings
including an as-built plan view,. longitudinal profiles for the restored claaaaaaels, and a
propose(] versus as-built plan vacly can be l and in Appendix A. The cross section dater and
photos for the 8 perm ancnt cross sections can be ild in Appendix li and C respectively.
Rockt" lar,mc,.h AV -1? I! ilt ,t lllJgr1 iwl NatI l Cjrl7lU1 i' -.'00N
4.2 Wetlands
11`ctlarlds at the site iaere not distm-bed, except for Wetland A. which received clay plugs as
proposed in the design. I hest plugs 1\'Cl-C illStallcd to faClhtatC the IOCatipn Of` the new
stl-Caltl channel. l ollowill" COlistl'uctlOll, tllel'C 1aaS a 110OCCable Increase ill Nvetiless at the
site. Vernal pools were installed its proposed in the design. with minor ad.ilist] llellts ill
location and size.
Additionally. surface watel:s created as a result of` the abandoned channel and pond have
provided stol•nlwatcl• retention tend illiproved aquatic and wildlife habitat w the site.
Appendix A shows all Of'thc fcatlu'cs discussed in this section.
4.3 Planted Vegetation
All plant material eras installed by 1)ccetllbcr 201". 2006. Vegetation plots wcri installed in
AL Must 2007 to cvaluate the contents of each plot. During this time. a more detailed
evaluation of the quantity and quality of the plantings was determined. The site plantings
have grown extremely well during 2007, considering the cmi-enic ch-ought and competition
from residual pasture weeds and fescue.
4.4 Farm Management
The ltit'rll lliaila"Cinelit plan was successfully completed in Febi•uai-v 2006. prior to the onset
of strc ?lli restoration activities. All components were installed cn' completed as shown in
Appendix A, Shcet 11. Specific GPS cooi-dinates fm' these components are listed in Table 7.
5.0 Monitoring 111,111
Utilizing the.lunc 4. 2001 Scope ol'Services and the March 2005 [rocky Branch Restoration
Plan guidelines for monitoring, Mulkey has made an C111011 to utilize lute current protocols set
fot-th by the September, 2005 As-built and monitoring guidelines. This will allow 111ture
monitoring at the site to utilize the most recent protocols outlillc.cl by L'I'T. This report will
outline the prmocols by which the Channel stability and vegetation All-vivability vv'ill be
evaluated. More spceilically, the success of channel restoration, erosion control methods,
veoctative plantings, and the long-tei-nl stability of' tile proicct. To establish baseline data fair
the monitoling report, longitudinal profiles. pei'maimit cross sections, photo reference
points. and vegetation plots were established dtu'ing August 2007.
5.1 Success Criteria for Streams
Success criteria for ;tlczllll mitigation sites arc basal on guidcliiles established by the
USACE. US Environnlciltal Protection Agency (UST PA). NC Wildlilc Resources
Commission (NCWRC) and the NCDWQ (t ISAC'T cit. u!. 2001). These guidelines establish
critel-iil 161- both hydrologic conditions and vegetation survival.
1?
fl,),°Aa• 8)-,Im I/ As-Guilt -hlit ,Eittnn Ofta I n (,r It, I, "OoS
streana cllaarlnel r'nonitoring will determine the degree or success a rllitig,11ion projcct has
achieved in meeting tilt: objectives or providing proper clatulncl function and increased
habitat qualio% 111mlitoring will be perl rrnied caach year I*rr the 5-yca r nlcanitorinf; period
aul ! no less than t\vo bankfull floNv events ninst he documented through tile: monitoring
period. A crest ,gage. \411 be used to determine the occurrence of these bankfull events. The
hankl-tall events must nectar during separate monitoring years. In the, event drat the required
baankRdl events do not occur during the 5-year period, consultation \vith l;TT and other
resource agencies Nvill be conducted. The monitoring will include reference photos and
channel stability analyses, as specilied in the latest version or the Lcos}'stern Fiihamcenlcnt
Program " (Amteilt. Format and Data Requirements A El;l' Monitoring Reports.
"111c restored sectioms of the RBSRS "if be evaluated with regard to overall channel stability.
Since streams are considered as `active" or -dynainic" systems, restoration is achieved by
alloNving; the channel to develop a stable dimension. patttern. and profile Such that, over time,
the stream features (riffle. ruts, pool, and glide) are maintained and the channel sloes not
agglude: or degrade. Minor morphologic adjustments Front the design strcarn are anticipated
based ern the correlation of reference reach data, excessive sediment deposition horn
ullstrearn sources, and can-going changes in hand use within the watershed.
Monitoring or the RBSRS "A be pcdwnwd until success criteriaa arc rnct up to a period of"
five years. Monitoring is proposed felt hydrology and vegetation. The munitorirlo plan \vill
be designed in accordance with Strearn Mitigation Guidelines (i. S AC'l el. ol. 2003) and in
coordination N+ith I-+1'. Results Nvill be docurnented oil an annual basis, with the associated
reports submitted to luEP as evidence that goals are tieing achieved.
5.2 :success Criteria for Vegetation
Wouldtion success at the 1t131311S will be measured by survivability over a live year
monitoring period. Survivability will be based on achieving at least 32() sterns per acre after
three years and 2M) steins per acre after live years. A sun ey of vegetation during the
growing season (tnid-March to early November) will be cmxWcted arwritally over the live
year rllomtoring period ill order to vcdl,, survivability ofthe installed plantings. This survey
r,Nill track the total mortality on an anuml basis arld be used to calculate slmvivali h y at the
end or three and live years. 11` the planted species do not meet the required rauinbei• of stems
per acre at the egad of Year 3 (320) and Year y (2601 the installation oradditiond plantings
miry be necessary. A remedial planting plan xvill be developed in the event that survivability
is not met.
5.3 Methods
5,3.1 Photo Docameutation
Photo documentation is essential to monitoring the success of a restoration site. I'hotos
provide to visual assessment of the stream and vegetation conditions. Photos will be taken at
the pei•nlancrlt cross section locations rand relere:nce photo point locations oil a yearly basis.
Photos should be taken at the same location as -described in the captions of the photos in
Appendix C, 1). and is ofthis report.
1 3
/6,(4a' B??;1(11 ,ts-13u(l! 4?Ili( 11 /'liar l'(,hru11)r I• 'I)U;;
5.3.2 Vegetation Plots
('/anted vegetation \\ill be cN°aluateel usi?ag vc17et4ation blots and stela Counts. Following the
Septcmbcr IN 2005 gWd wc: an vcgctathni monitoring. Mulkey installed 1 I vegetation
plots. The plots were installed ran(1ortaf)-- throughout the. site and have a total area 01°
approximately 100 square meters. An iron pipe: "as insudled at each plot corner along with
a polyvinyl chloride (PVC) pipe. During the establishment of' these plots.. stems were
identified, counted, and flagged on lateral branches. A sununary of each vegetation plat's
contents can be round in .liable 4. In addition, photos will be taken From the same kwation
as described in the captions found in Appendix F. GIIS coordinates l'or tlae vegetation plot
corners can be round in "fable 5.
Vegetative monitoruag will be conducted in ,lady and August of each monitoring year using
the latest version or tlae ("VS-1.4"T vegetation protocol. Vegetation success requirements
state that 320 stems/acre must survive aRer 3 years or monitoring (2010). After 5 years or
monitoring (2012), 260 stemlacre must have survived within each plot (L.ISACF?. ct al.,
20033 Should the pedbnuance criteria outlined above not be met during the monitoring
period. a remcdiatiom proposal. detailing corrective actions an]/or maintenance actions
proposed, inc] an implementation schedule should be developed.
5.3.3 Streams
As-built surveys were Conducted in August 2007 to produce drawings that represent the
actual implementation of the design plans. These drawings provided documentation of the
dimension. pattern, and profile ear the restored channel and will serve as a baseline I*or tile
monitoring reports. The following sections describe the methods utilized to collect the
stream data.
5.3.4 Dimension
A total of 7 permanent cross sections were established at a ti-equretacy 01' less than 500 linear
I'M apart on the Rocky 13mnch channel. Item cross sections represcni 3 drlles and 4 pools.
Tributary I contains a single riffle cross section clue to its small size. Ile pemunmu cross
section locations are shown in Appendix A and their GPS coordinates arc listed in 'Cable. 5.
Cross section data can be found in Appendix 13.
Cross section measurements bcon at the left pin and move across the channel to the right
pin, The left pin and right pin are oriented with the viewer racing downstream, Specific
features that should he collected during the cross section survey include left pin. breaks in
slope, lop of bank, bank cull, waters edge/SLU-I` ace. stream bed, th<alrvcg, Structure
areas/t,ootc:rs, and the right pin. To provide a detailed survey. it A recommended that large
distance increments not be used when surveying the cross section,
Cross sections may change slightly From year to year and changes in these dimensions
should be evaluated oil a yearly basis and documented in the monitoring report. In the event
that the cross section dimension changes tim matically, a mmedimW proposal, detailing
(irtilt.t/ifigadf ol1'hm hMrrr,ug .'(11S
corr'ectave actions and/car mrahum ance actions proposed. and an ?mplememalion sehedN
shoa?ld be elevelopcd,
5.33 Patterti and t-o ile
As a part or Be As-buih drawings. a longitudinal profile was conducted IS floc entire
lengths of the restored channels. Appendix A depicis these longitudinal prolilcs fin' both
Rocky l3ranch and Tributary 1.
The restored portion car Rocky Branch and Tributary I will be evaluated yearly to dctcrmine
overall channel stability. Since streams are considered as "active" or -dynamic" systems,
restoration is achieved by allowing the channel to develop a stable dimension, pattern, and
profile such (hilt, over time the stream futures (rifllc. run, pool, and glide) are maintained
and the channel does not aggradc or degrado klinor morphologic adjustments from the
design stream are anticipated based on the correlation of rel renc.e reach data. excessive
sediment deposition ra-om upstream sources. on-going chruages in land use within the
watershed. and the effects ofextraordinary meteorological events.
I,ongitudkil profiles will be stnvcycd IN Rocky limneh rrorn Motions (1-+-77 to 31 ? %7) anti
ror Tribulary I from `stations (01-00 to 1-+-72) Isar inclusion into the aaaonitorin., reports. Each
loragituclinal profile Will conducted as to note specific stream features (riffle., run, pool, and
glide).
A plant view should be generated Allu"ing the completion of the longitudinal profiles to
facilitate pattern measurements ofthc restored channels,
5.3.6 Bed Material Analysis
During the As-built surveys. Modified \\rolman pebble counts were conducted at each
perntmaent cross section location. Data collected Im each reach is presented in appendix G.
These Modified \\'ohlian pebble counts were completed rat each pcrtnancut cross section.
F'. ach permanent cross section vas sampled from WWI to banl:hdL P; mal of 50 samples
were collected at each permanent cross section location along the Rocky Branch reach. A
total of 25 samples were collected at Be riffle cross section located at Tributary 1, Future
swupling should Wow the methods outlined above in order to be consistent.
5.3.7 Illydrolop,
A crest gage will be used to determine the occurrence or banlcfull flow events. Monitoring
ti011 be pentwmec each year rear the 5-year monitoring period and no less than ttr'o bankfull
flow events must be documented through the monitoring period. ']'he bankroll events must
occur during separate monitoring years. In the event that the required bankfull events del not
(occur duHng the 51var period, consultation with UP and other resotmve agencies \011 be
continued.
15
fhus v 1hunwh As Buil/ .11iti tuiutt Nail Www j° 2170
5A Wetland Pcdbnnmwe OWN
Baseline wetland detcrntinatiouas \Ncr'e performed to gatantify the existing wetlands at the
RBSR& ('urrently. it to?tal of I A4 acres of wctlauuls are located %Wthin the conservation
casement, Ali actual acreage of these wetlands will be determined during, the fifth-year of
monitoring by a new .jurisdicthHud determinalkin. Each wetland category (creation.
restoration. enhancement. and preservation) will be determined by jurisdictional
determinations. Wetlands derived as as result of the project will be determined by
subtracting the original wetland acreage (2005) From the total wetland acreage found at the
site at the end of mmnitoHng year five (2012).
5.5 Reporting
'I he monitoring reports will follow the methods outlined by the latest version of° the EEP
(Alidance document guidance for monitoring report content, format. and data requirements.
Mulkey "ill conduct the t`` year (2008) of monitodrg at the site "it subsequent monitoring
years (? - 5) dieing conducted by a consultant specified by the I cosystem [nillancement
Program (EF:P).
Monitoring reports will be submitted to the FFFs designated project rcprescnia(ivc fba•
coordination with the appropriate regulatory agencies on an annual basis. It is understood
that the F.IP will coordinate any necessary monitoring report submittals with the regulatory
agencies. If monitoring reports indicate any deficiClaCieS in aachicving the success criteria on
schedule. a remedial action plan will be included in the annual monitoring reports.
6.0 Maintenance and Contingency Plan
Mulkey will reassess the condition of the stream channels. strucuu-is, vegetation. and overall
bank stability during the 1" year of monitoring (20CI8). In the event, there is significant
problem or concern at the site, a meeting with should be scheduled to discuss the problem
and to determine the appropriate reanedh0m.
During the walk-through condueted on June 15. 2007. specific areas were noted as "Areas of
Concern". At that time, Mulkey recommended that vegetation should be allowed to grow
for one season before any actions were taken. "phis recommendation was d:veloped to
reduce or to rninim?7.c damage that may occur (from reentering Me site "All heavy
equipment. During the As-built surveys. the site had become well vegetated, but specific
areas of concern were still present. than should be mentioned in this baseline document.
.These areas were photographed and documented in Appendix H. Large quantities of
invasive species previously covering the site have been sigmilicantly reduced following,
construction and the alteration of the hydrologic regime.
16
flot•A.l 8)-alich is-l3trrh lli11,"nCron Plod / clkrlwl-i? ?'ff(If\
7.0 Points of Coatact
olvtler,
NC D NR
Is1I'
Point of C onlact - Michael McDonald
2090 U.S. 70 11iQllw y
` \-vannanoa. NC' 28778
Tel. [phone]
rnikc.nlcdon,,dd,o ncnlail,ntt
Dcsi ` !n
Point of Contact _ Weliclcc Smith
6750 Tryon Road
C'ai,V. NC 27518
Tel. 919,858,1 5
Fa X. 919.851.1918
\V,siiiitli,ii`:111tilke\,iilc.c(lnl
Contractor:
1'ILIV411 SoltltlolIS. Inc.
Point of Contact -- Pctcr Jelenc\ sky
PO Box 28719
Ralcigh. NC 27611-8749
Tel. [phone]
I-et rii 11(1Via1Sollitiolis.colll
State Construction Off -ice:
Plaint ofContact Kcnncth I Iunt
PO Rox 49648
Charlotte, NC 28277-0082
Tel. [phone]
l?enncth.lluntr`Er?nelnail.llct
17
Rrr?'A /itrt?rt'It Is /it»h rllilit;?rriur? 1`lrut l a'i>raurr..'(Hi.?'
8.0 Reference!
I:.nvironmental Laboratory. 1987. Corps of I=aaginecrs Wetlands Delineation Manual:
"Technical Report Y-87-1. t'nitcd States Army EntiOnecr Watcnwys Experiment Station.
Vicksbur4'. MS.
Mulkey, Inc. 2005. Rocky Branch Stream Restoration Plan. March 2005,
N('1l:). 2005. Mitigation Report DRAF1 oudinc. September 20, 2005. NC IA.."NR.
NCEFT. 2005. Content, Fornhit, urid Data Recluircmcnts 101- FIT Molaitoritl4g Reports.
Version I.I. September 16. 2005. NCDENR. NCEE::P. 17 pp.
North Carolina Department oH.'nvironment and Nattnal Rcsorn-ces (N(.'l.)1 NR). 2004.
I3asira?N-ide Jnfbrnaation Management System. Available:
Litt i:ll /h2g.enr.state nc.ue bi>»s/reports!basins.ar7d nterhodi_cs,'03.07 06._1x11.
North Carolina Department oil:nviron nacnt and Natural Rcsnurces (NCDE:NR). 2001a.
North Carolina 1 LIM' C)n€rlity Asscssnacnt and Impaired Waters list (2004 Integrated 305(b)
and 303(d) Report). Prepared by the North Carolina Department of l?nvironment & Natural
Resources. Division of Water Outility, `,Valet (duality Section.
North Carolina Department of Environment and Natural ReSOLII' :cs (NMENR). 2002.
Basinwide Assessment Report - Yadkin-Pee Dee River Basin. Prepared by tile. North
Carolina Department of E'-nvironment & Natural Resources, Division of Water Quality.
Water C)uaho Section.
Ros"en, DA", 1998. The Reference Reach - A 131ueprint Im Natural Channel Design. 171-0111
Proccediraos ol'the Wetlands and Restoration C'onf'erence. March 1998, Denver CO.
Wiidland Ilydroloti-y. PaEosa Sprin gs, CO.
Roston. D.L,. 1996. Applied River Morphology. wildhand Ilydrolopy, Ptlgo: a Springs.
Colorado.
Rospen, 1).I.. 1994. A Classification of'Natural Rivers. C atena, 22:169-199.
18
Sclaall . RI.l'.;nxl A,SWcGaklcy. 1900. CIassiOcajon or the Nau"ral (Aqunaranities f
North Carolina. bird Approximmiou, NcmA C'aralina Mond I leric qw, 1'rvyr m. I)hbioii
or Parks w id RecrealMn. NY. Department or ldivironment. I le aldi aml Maural Restmmes.
lA'emVL S. 2004. Personal C'omim nicatiou ou Septcnahcr 155 at FAwth C uadinra We
School of Vetexinary Medicine.
19
FIGURES
VIRGINIA
NORTH CAROLINA
" '!Yadkin Commy
Yadkin - Pee No River Basin
Project Location
ROCKY BRANCH STREAM
RESTORATION SITE
.
Feet N
I;3ti,000 0 1,000 2,000 3°000 1 }
USCStF M v 1 0
Brooks Gus S t
coniour I grt f t /j • .'
I NNI Figure
ROCKY BRANCH STREAM RESTORATION
YADKIN COUNTY, NORTH CAROLINA
LEGEND
Project Reaches
Easement
i
Fributary 1]
Tributary 2
x
100W p
16,000 N
Feet
a
0 250 500 750
UBGS 7 5-Minute Topograpro¢ Ouedrangles s ` ? 1 k? ya,???
Brooks Cross Roads & Elkin south
Contour tnterve' 20 Feet
LOCATION MAP Figure
ROCKY BRANCH STREAM RESTORATION
2
YADKIN COUNTY, NORTH CAROLINA

a EGG
? .. Roclt Branch
R©c Beane Tr ry ibuta
r.--.tip r N
f Y ?,y Project Reaches
i -i l' _ r ? L 1'e' ? V • • ?? Yt?t? . iib. _t . ".'1, ! ? it._ .... ?J? ' n r?? ?ay?(?3az? ._ .
ROCKY BRANCH
' DR/MNAGE AREA
..t
(4.1 SQUARE MIVF,,
no..
r
fs
r
%
! W., TRIBUTARY 1
?- DRAINAGEAREA
(0.2 SQUARE MILES)
?,?7 r 1 f "-,q a T
_ ?f yt,
a¢t
i?, to ! =Tt?•- _ + k`
",2. ?z yy Yi __ In..
?r?`il? yl r YS tl
124,000 0 500 1.00D 2,000 r t .,• . ?. 1 t IJ f ?
't'x?elkiRt C tart} LA'?J RcC;rtl9 ? ? •• .
X02 colo
VNATER HED 11AAr Figure
ROCKY BRANCH STREAM RESTORATION
YADKIN COUNTY, NORTH CAROLINA
•.
??-A'? t ?` • ? ?,' `"_.`'`?. Jr 1. .. .? x ? Sr,:?
74
LEGEND
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LAND USE MAP I Figure
ROCKY BRANCH STREAM RESTORATION 4
YADKIN COUNTY, NORTH CAROLINA
TABLES
Table 1. Summary of Existing Cross Sections - Rocky Branch and Tributary 1
Cross
Section Station:
No. ?` Morph.
Feature- Bi mk0l ,
Area (ft2 . Ent.
Ratio
* W/D
Ratio* ?, Wetted
T' erimeter
ft Hydraulic';
Radius
ft = Stream
Class.* -
1 2+33 Pool 35.7 1.9 10.9 23.4 1.5 -
2 4+45 Riffle 27.5 1.5 13.2 21.9 1.3 B4/lc
3 6+00 Run 34.4 1.6 11.8 23.5 1.5 --
4 7+43 Pool 37.4 4.4 7.43 21.0 1.8 --
5 8+83 Glide 34.6 1.5 17.3 27.3 1.3 --
6 11+37 Riffle 35.7 2.3 17.7 27.9 1.3 C4
7 16+97 Riffle 35.0 3.7 18.9 28.5 1.2 C4
8 23+12 Run 40.5 1.8 11.8 25.6 1.6 --
9 26+30 Pool 45.1 >5 13.1 28.0 1.6 --
10 26+43 Glide 35.1 1.7 12.2 24.1 1.5 --
lln 28+09 Riffle 45.2 >5 11.1 23.9 1.9 E4
12 35+39 Riffle 43.5 >5 11.8 26.5 1.6 E4
13 44+30 Riffle 27.3 1.8 25.6 28.6 0.9 B4/lc
Trib.1 3+84 Riffle 3.1 1.6 33.6 10.8 0.3 C5
*Notes: Ent. Ratio is "Entrenchment Ratio"
W/D Ratio is "Width/Depth Ratio"
Stream classification is only viable along riffle sections.
A Bar Sample Location
Table 2. Rocky Branch Stream Restoration Summary
Stream Channel Summary

Priority Restored
Stream Mitigation
Stream Level Type Original Channel Channel Length Units (SMU)

1
Length
I
Rock I & II Restoration 3,614 3,614
y 901
2
Branch N Enhancement I , 206 137
Tributary #1 I Restoration 593 172 172

Tributary #2 ,r
x iy- s
280
Pond
_

. 6.•... - Totals 3,774 3,992 3,923
A Portion of original channel contained within proposed conservation easement.
Table 3. Recommended Plant Species and Planting Zones.
Planting Zone Recommended Plant Species
Zone Description Scientific Name Common Name
Alnus serrulata Tag alder
Betula nigra River birch
Cephalanthus occidentalis Buttonbush
Stream Banks Cornus amomum Silky dogwood
1 Hibiscus mosheutos Marsh mallow
Lindera benzoin Spicebush
Salix nigra Black willow
Salix sericea Silky willow
Sambucus canadensis Elderberry
Betula nigra River birch
Fraxinus pennsylvanica Green ash
Lindera benzoin Spicebush
2 Riparian Plantanus occidentalis Sycamore
Buffer Quercus nigra Water oak
Quercus phellos Willow oak
Sambucus canadensis Elderberry
Alnus serrulata Tag alder
Cephalanthus occidentalis Buttonbush
Cornus amomum Silky dogwood
3 Wetlands Fraxinus pennsylvanica Green ash
Hibiscus mosheutos Marsh mallow
Salix nigra Black willow
Salix sericea Silky willow
Boehmeria cylindrica False nettle
Carex lurida Lurid sedge
Carex intumescens Bladder sedge
Cyperus strigosus Umbrella sedge
4 Vernal Pools Eleocharis obtusa Blunt spike-rush
Eupatorium fistulosum Joe-pye weed
Juncus coriaceus Leathery rush
Juncus effuses Soft rush
Saururus cernuus Lizard's tail
Carya tomentosa Mockemut hickory
Cornus florida Flowering dogwood
Diospryos virginiana Persimmon
flex opaca American holly
Juniperus virginiana Eastern red cedar
5 Upland Pinus echinata Shortleaf pine
Buffer Pinus strobus White pine
Pinus virginiana Virginia pine
Prunus serotina Black cherry
Quercus alba White oak
uercus alcata Southern red oak
A List is alphabetized by scientific name within each planting zone.
Table 4. Vegetation Plot Information.
Vegetation Zone Actual Plot Size, Identified Species
Plot Description sq. meters (sq. feet) Common Name
Black willow ^ (18)
Buttonbush (1)
Silky dogwood ^ (6)
Stream Banks & Marsh mallow (6)
1 Riparian Buffer 91.8 (988.1) Virginia sweetspire B (1)
Sycamore (2)
Water Oak (4)
Total (38)
Buttonbush (1)
Chokeberry B (2)
Green ash (6)
2 Riparian Buffer 99.5 (1,070.5) Water Oak (1)
Sycamore (1)
Willow oak (2)
Total (13)
Green ash (4)
Water Oak (1)
3 Riparian Buffer 100.0 (1,076.4) Sycamore (6)
Water oak (3)
Total (14)
Elderberry (1)
Green ash (4)
4 Riparian Buffer 99.7 (1,073.9) Sycamore (2)
Willow oak (4)
Total (11)
Buttonbush (4)
Green ash (5)
5 Riparian Buffer 100.6 (1,082.6) Willow oak (4)
Total (13)
Buttonbush (6)
Chokeberry B (1)
Elderberry (1)
6 Riparian Buffer 99.16 (1,067.4) Green ash (5)
River birch (1)
Total (14)
Denotes the number of species found within a particular vegetation plot (bareroot or live stake)
" Species designated for live staking at 2,723 stakes/acre equivalent to a 4 x 4 spacing.
B Represents a plant species that was substituted during the project due to availability.
Note: All bareroot species were planted at 680 stems/acre equivalent to an 8 x 8 spacing.
Table 4 contd. Vegetation Plot Information.
Vegetation Zone Actual Plot Size, Identified Species
Plot Description sq. meters (sq. feet) Common Name
Buttonbush (2)
Elderberry (1)
Green ash (5)
7 Riparian Buffer 98.9 (1,064.6) River birch (2)
Willow oak (7)
Water Oak (1)
Total (18)
Buttonbush (4)
Elderberry (1)
Green ash (6)
8 Riparian Buffer 100.7 (1,084.4) Sycamore (5)
Tag alder (2)
Virginia sweetspire a (2)
Total (20)
Green ash (11)
Tag alder (1)
9 Riparian Buffer 100.6 (1,082.3) Willow oak (1)
Water Oak (1)
Total (14)
Black willow n (18)
Green ash (3)
River birch (3)

10 Stream Banks &
91.57 (985.6) Silky dogwood n (14)
Riparian Buffer Water oak (1)
Water Oak (4)
Total (43)
Buttonbush (2)
Elderberry (1)
Green ash (5)
11 Riparian Buffer 100.7 (1,083.4) River birch (2)
Willow oak (7)
Water Oak (1)
Total 18
Denotes the number of species found within a particular vegetation plot (bareroot or live stake)
" Species designated for live staking at 2,723 stakes/acre equivalent to a 4 x 4 spacing.
B Represents a plant species that was substituted during the project due to availability.
Note: All bareroot species were planted at 680 stems/acre equivalent to an 8 x 8 spacing.
Table 5. Site Specific GPS Coordinates.
Permanent Cross Section Locations
Cross Section Pin Northing Eastin
1 East 858170.89359 1464946.89729
1 West 858142.40913 1464790.43990
2 West 857781.82075 1464851.12922
2 East 857764.04218 1464965.72269
3 North 857607.44340 1465127.21077
3 South 857485.69880 1465101.76172
4 Southwest 857541.43253 1465432.50285
4 Northwest 857634.50310 1465521.14063
5 North 857575.76276 1465864.78722
5 South 857473.81958 1465861.27126
6 South 857401.46305 1466197.32514
6 North 857513.83203 1466202.30296
7 Southwest 857358.12558 1466552.27231
7 Northeast 857467.17109 1466625.62703
8 West 857385.59529 1466817.68550
8 East 857398.75469 1466895.76799
Crest Gag a Location
Northing Eastin
857409.44222 1466721.42761
Farm Management BMP Locations
BMP Type Northing Eastin
Well 1 856615.39087 1465171.05531
Well2 (Existing) 856455.03536 1466595.05788
Well 3 857260.98343 1468044.34475
Drinker 1 856914.93614 1465512.69405
Drinker 2 857095.28396 1466490.19729
Drinker 3 856332.37388 1466574.25648
Drinker 4 857510.40992 1468451.88227
Drinker 5 856632.08884 1468172.34936
Shadehouse, SW 857379.59145 1468831.48159
Shadehouse, NW 857431.99583 1468813.83332
Shadehouse, NE 857460.02939 1468911.02705
Shadehouse, SE 857409.07706 1468928.70706
R eference Photo Locations
Photo Point Northing Eastin
1 858305.39856 1464958.44449
2 857481.49342 1464761.56009
3 857644.58764 1465357.57928
4 857449.47382 1466738.05359
5 857166.62472 1466918.73000
6 857271.35679 1467333.00027
Table 5 contd. Site Specific GPS Coordinates.
Vegetati on Plots
Vegetation Plots Plot Corner Northing Eastin
1 SE 858171.34000 1464887.27000
2 SE 857832.82000 1464938.13000
3 NW 857953.78000 1464779.04000
4 NW 857632.18000 1465175.26000
5 NW 857496.40000 1465196.13000
6 NW 857494.24000 1465349.51000
7 NW 857586.42000 1465640.52000
8 NW 857460.15000 1466018.59000
9 NW 857421.22000 1466494.90000
10 NW 857438.11000 1466695.12000
11 NW 857357.62000 1466967.62000
APPENDICES
APPENDIX A
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(YEAR O, 2007)
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APPENDIX C
CROSS-SECTION PHOTOS
(YEAR O, 2007)
Cross Section Photos Year 0. 2007
Cross Section 1 - Pool. (Rocky Branch. STA 4 + 25) View lookin downstream.
Cross Section 2 - Riffle. (Rocky Branch. STA 9 + 22) View looking downstream.
Cross Section I'llotos Yenr 0.1 2007
Crass Section 3 - fool. (Rocky Branch, STA 13 + 25) View looking downstream.
Cross Section 4 - Riffle. (Rocky Branch, STA 17 + 49) View looking downstream,
Cress Section I'llotos
t
t ,

Year 0. 200"7
Cross Section 6 - Pool, (pocky Branch, STA 26 + 22) View looking; downstream.
Cross Section 5 - Pool. (Rocky Branch. STA 22 + 32) Vic%v looking doxvilstream.
Cross Section 1'Ilotos Year O. 2007
(Rocky Branch, TA 30 + 75) View looking downstream.

APPENDIX D
REFERENCE PHOTO POINTS
(EXISTING CONDITIONS, 2005)
Rc(erellee I'hotos L`xisting Conditions, 2005
Photo Point ?. Vice looking; north across existing; Rocky Branch stye€nli channel.
Reference I'ihoto I xistin Conditions, 2005
Photo Point 3.
Photo Point 2. View looking northeast across existing! Rocky Branch stream channel.
Relercnce Photos
l xisting ('onditions, '?0
Photo Point 3. View looking east toward Piedmont Bottonland Forest.
Photo Point 3. View looking south toward homes located thong SR 1 l?U.
Rei'erence Photos Existing Conditions, 2005
Photo Point 4. View looking west toward the Piedmont T3ottomland Forest.
Photo Point 4. Vier looking; south toward SR 1120.
Reference t'hotos Existing Conditions. 2005
Photo Point 5. View looking nortliv est across existing Rocky Branch stream channel.
Reference Photos
Existing, Conditions, 2005

Pluto Point 5. View looking northeast toward existing Trilhutary 1.
Photo Point 6. View looking west toward existing Tributary 1.
Relercncc Photos l xistint; Conditions, 2005
Photo Point 6. View looking son111 toward SEA l 120 and Joe Allen residence.
1,11ioto Point 6, View looking cast toward existing Tributary 2.
APPENDIX E
REFERENCE PHOTO POINTS
(YEAR O, 2007)
12clercnce I'hotos Year 0, 2007
Photo Point 1. Viov looping south toward dairy facility,

rnwo roux:. vice, to uig north across, new Rocky Branch stream channcl.
Reference Photos Year Q, 2007
channel.
Photo Point 2. Vice- looking northeast across new existing Rocky Branch stream
Photo Point :3. View looking "vst toward the 1-77 roadway corridor.
R06lacc I'llotos Year 0, 2007
Photo Point 3. ViCvV lool<ini south tovvlard holllCS located along SR 1120.
Photo Paint 3. View looking cast toward wooded area.
IZd rence I'holos Year I), 2007
Photo Point 4. View looking? west through wooded section.
Photo Point 4. VicNv looking south toward SR 1120.
Ret'Crelice I'hotos `car 0, 2007
channel.
Photo Point 4. View looking east toward newly constructed TribUtary I and main
Photo Point 5. Vicly looking northwest across new Rocky Branch stream channel.
Relcrcncc Photos Year 0, 2007

r _ ?:.i
Photo Point 5. View looking northeast toward new pond.
Photo Point 5. Vices looking north to«Vard 11CWly conStructed "I"rihutary 1.
Reference Photos Year 0, 2007
Photo Plaint 6. View locking west toward SR 1120.
Photo Point 6. ViC%V 100king SOLIth toward SR 1 120 and Joe Allen residence.
Reference I'llotos Year 0, 2007
d
x &&,c
Photo Point 6. View looking east toward new pond.
APPENDIX F
VEGETATION PLOT PHOTOS
(YEAR O, 2007)
Vet,ctation Plot I'hotos Year 0, 2007

4,

fi

Vegetation Plot 1 - Streambanks (511-1 x 20m). View from southeast plot corner.
Vegetation Plot 2 - Riparian Bui'iCr (1 Om x l0m). View from southeast plat corner.
Veg tation Not Photos Ycar 0, 2007
Vegetation Plot 3 -
Ruffer (1 tam x 1 Om). View from northwest plot corner,
Vegetation Plot 4 -- Riparian Buffer (10m x 10m). View from norilmest plot cornc,r.
Vegetation I'lot Photos

Year 0, ?007
Vegetation Plot 5 -- Riparian Buffer (I Om x H in). View from northwest corner.
Vegetation Plot 6 -- Riparian Buffer ( l Om x I Om). View from northwest plot corner.
Vegetation Plot Photos Ycav 0, 2007

Vevetation Plot 7 - Riparian Buffer (10111 x 10111). View from northwest plot corner.
Vegetation Plot 8 - Riparian Ruffer (10m x IOni). View from northwest. Blot corner.
Vegetation Plot I'llotos Ycar 0, 2007

d

Vegetation Plat 9 - Riparian Buffer (l oni x I one). View from northwest plot corner.
Vegetation Plot 10 - Stream Banks (5m x ?om). View from northwest plot corner.
Ve-ctatian Plat Photos
Ycar 0, 2007
a
1
t t +
. t t t
Vegetation Plot 1 I -- Riparian BLIITCr 0 0111 x I0m). View from northwest plot corner.

APPENDIX G
WOLMAN PEBBLE COUNT DATA
(YEAR O, 2007)
RIVERMORPH PARTICLE SUMMARY
River Name:
Reach Name:
Sample Name:
Survey Date:
Rocky Branch
Rocky Branch
Rocky Branch
08/27/07
(Riffle cross sections)
Size (mm)
TOT # ITEM % CUM %
0 - 0.062 4 8.33 8.33
0.062 - 0.125 1 2.08 10.42
0.125 - 0.25 0 0.00 10.42
0.25 - 0.50 3 6.25 16.67
0.50 - 1.0 4 8.33 25.00
1.0 - 2.0 10 20.83 45.83
2.0 - 4.0 0 0.00 45.83
4.0 - 5.7 2 4.17 50.00
5.7 - 8.0 4 8.33 58.33
8.0 - 11.3 7 14.58 72.92
11.3 - 16.0 0 0.00 72.92
16.0 - 22.6 3 6.25 79.17
22.6 - 32.0 5 10.42 89.58
32 - 45 0 0.00 89.58
45 - 64 2 4.17 93.75
64 - 90 1 2.08 95.83
90 - 128 2 4.17 100.00
128 - 180 0 0.00 100.00
180 - 256 0 0.00 100.00
256 - 362 0 0.00 100.00
362 - 512 0 0.00 100.00
512 - 1024 0 0.00 100.00
1024 - 2048 0 0.00 100.00
Bedrock 0 0.00 100.00
D16 (mm) 0.47
D35 (mm) 1.48
D50 (mm) 5.7
D84 (mm) 26.96
D95 (mm) 79.62
D100 (mm) 128
Silt/Clay (%) 8.33
Sand (%) 37.5
Gravel (%) 47.92
cobble (%) 6.25
Boulder (%) 0
Bedrock (%) 0
Total Particles = 48 (need at least 60).
Rocky Branch (Riffle Cross Sections)
L
U-
a)
U
L
I -
Particle Size (mm)
0.01 0.1 1 10 100 1000 10000
RIVERMORPH PARTICLE SUMMARY
River Name:
Reach Name:
Sample Name:
Survey Date:
Si ze (mm)
(Pool Cross Sections)
TOT # ITEM % CUM %
0 - 0.062 3 4.69 4.69
0.062 - 0.125 4 6.25 10.94
0.125 - 0.25 9 14.06 25.00
0.25 - 0.50 11 17.19 42.19
0.50 - 1.0 10 15.63 57.81
1.0 - 2.0 0 0.00 57.81
2.0 - 4.0 2 3.13 60.94
4.0 - 5.7 2 3.13 64.06
5.7 - 8.0 3 4.69 68.75
8.0 - 11.3 3 4.69 73.44
11.3 - 16.0 5 7.81 81.25
16.0 - 22.6 1 1.56 82.81
22.6 - 32.0 5 7.81 90.63
32 - 45 3 4.69 95.31
45 - 64 1 1.56 96.88
64 - 90 2 3.13 100.00
90 - 128 0 0.00 100.00
128 - 180 0 0.00 100.00
180 - 256 0 0.00 100.00
256 - 362 0 0.00 100.00
362 - 512 0 0.00 100.00
512 - 1024 0 0.00 100.00
1024 - 2048 0 0.00 100.00
Bedrock 0 0.00 100.00
D16 (mm) 0.17
D35 (mm) 0.4
D50 (mm) 0.75
D84 (mm) 24.03
D95 (mm) 44.14
D100 (mm) 90
Silt/Clay (%) 4.69
Sand (%) 53.12
Gravel (%) 39.07
Cobble (%) 3.12
Boulder (%) 0
Bedrock (%) 0
Rocky Branch
Rocky Branch
Rocky Branch
08/29/07
Total Particles = 64.
Rocky Branch (Pool Cross Sections)
U-
4-
U
N
Q_
Particle Size (mm)
0.01 0.1 1 10 10U 1000 10000
RIVERMORPH PARTICLE SUMMARY
River Name: Tributary 1
Reach Name: Tributary 1
sample Name: Tributary 1(Riffle Cross Section)
Survey Date: 08/29/07
Size (mm)
TOT # ITEM % CUM %
0 - 0.062 4 8.00 8.00
0.062 - 0.125 2 4.00 12.00
0.125 - 0.25 2 4.00 16.00
0.25 - 0.50 5 10.00 26.00
0.50 - 1.0 1 2.00 28.00
1.0 - 2.0 10 20.00 48.00
2.0 - 4.0 4 8.00 56.00
4.0 - 5.7 1 2.00 58.00
5.7 - 8.0 2 4.00 62.00
8.0 - 11.3 4 8.00 70.00
11.3 - 16.0 3 6.00 76.00
16.0 - 22.6 4 8.00 84.00
22.6 - 32.0 1 2.00 86.00
32 - 45 3 6.00 92.00
45 - 64 2 4.00 96.00
64 - 90 2 4.00 100.00
90 - 128 0 0.00 100.00
128 - 180 0 0.00 100.00
180 - 256 0 0.00 100.00
256 - 362 0 0.00 100.00
362 - 512 0 0.00 100.00
512 - 1024 0 0.00 100.00
1024 - 2048 0 0.00 100.00
Bedrock 0 0.00 100.00
D16 (mm) 0.25
D35 (mm) 1.35
D50 (mm) 2.5
D84 (mm) 22.6
D95 (mm) 59.25
D100 (mm) 90
Silt/Clay (%) 8
sand (%) 40
Gravel 48
Cobble (%) 4
Boulder (%) 0
Bedrock (%) 0
Total Particles = 50 (need at least 60).
U
N
CL
Particle Size (mm)
Tributary 1 (Riffle Cross Section)
APPENDIX H
AREAS OF CONCERN
Areas ofConceril Year 0, 2007

Yom" y'oaW "* -? f f
gyp.. + y Y '. ?
Fw ?
Rocky Branch (Stations 4+10 - 4+20) fool with sloughed banks upstream of cross section
4. View looking downstream.
debris jam. Area is currently vegetated with natural sycamore seedlings.
Areas of('oneer?a Year 0, 2007
Rocky Branch, (Stations 25-1.70 - 25+80)
looking across channel from right to left.
of channel with sloughed hanks. View
Rocky Branch, (Stations 23+70 -- 23+90) Stretch of channel with sloughed banks. View
looking across channel from right to left.
Areas of Concern Year 0, 2007

,a
d .?'?E a a $F ? ?

k 1
<7 t S M?.. ?A
Rocky Branch (Stations 32+90 - 33-+-00) Area of sloughing banks. View looking across
channel from lelt to right.
Rocky Branch (Station 22+32) Cross Scction 6 - Pool. Large cross sectional area
compared with proposed design.
Areas ofC'onccrn Year 0, :007
y t;

Y
fl'
1
j

Rocky Branch (Stations 34.1-00 - 34.1-30) Area of sloughing banks. Vicw looking across
channel from left to right.