HomeMy WebLinkAbout19930433 Ver 1_Complete File_19930528State of North Carolina
Department of Environment,
Health and Natural Resources A74J;*
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, , SecreLata
ry ID E H N F=1
A. Preston Howard, Jr., P.E., Director
May 28, 1993
W. Trent Anderson
County Maintenance Engineer
N.C. Dept. of Transportation
Division of Highways
Andrews, N.C. 28901
Dear Mr. Anderson:
Subject: Proposed fill in Wetlands or Waters
Road improvement, SR 1345A
Cherokee County
DEM Project # 93433
Upon review of your request for 401 Water Quality Certification to place fill material in
0.1 acres of wetlands or waters which are tributary to Rose Creek for road improvements
located at SR 1345 A in Cherokee County, as described in your submittal dated 13 May
1993, we have determined that the proposed fill can be covered by General Water Quality
Certification No. 2732 issued January 21, 1992. A copy of the General Certification is
attached. This Certification may be used in qualifying for coverage under Corps of
Engineers' Nationwide Permit No. 14.
If you have any questions, please contact John Dorney at 919-733-1786.
Sincerely,
r- A- Howard, Jr. P.E.
93433.Itr' !
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Asheville Field Office
Asheville DEM Regional Office
Mr. John.Dorney
Central Files
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496
An Equal opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
JAMES B. HUNT. JP_
GOVERNOR
CHEROKEE COUNTY
SR 1345A
DIVISION OF HIGHWAYS
,lnd revs , N. C . "?'13 01
May 13 , 1.993
Mr. Bob Johnson
US Army Corps of Engineers
Rm. 75, Grove Arcade Building
37 Battery Park Avenue
Asheville, N. C. 28801-2714
Dear Mr. Johnson:
14 CR?,JARY
?
U ?C
s EN g X993
The North Carolina Department of Transportation is
proposing to construct and pave SR 1345A, Ebenezer Road, in
Cherokee County. In order to construct this project in
accordance with our current secondary road standards, it
will be necessary to extend two (2) existing 60" CMP pipe
culverts and install a new 15" CMP pipe culvert to carry the
flow from a spring. The 15" CMP pipe culvert will be
located at survey station 4+10,and will carry the flow from
a small spring to discharge into Rose Creek (DEM Class C) in
lieu of carrying the -flow via the existing edge of the road
to discharge into Dockery Creek (DEM Class C - Trout. Water)
as is now the case. The two (2) culvert extensions are
located at survey stations 19+68 and 25+84. We propose to
install the new culverts slightly below the existing
streambed elevations to minimize impacts to wildlife habitat
and allow the existing stream gradient to remain as
unchanged as is physically possible-
The best management practices will be used to minimize
and control sedimentation and erosion on this project. The
construction foreman will review all erosion control
measures daily to ensure sedimentation and erosion are being
effectively controlled. If the planned devices are not
functioning is intended, they wall immediately be. repl acENd
with better, devices. The rock silt screens 'and other
device will be in placo prior to any culvert
activity and vii.1.1 remain in place until the project. i. _.
txb .l.iZed.
of tI'?i. 1f??tLc r r u rc f.i_rr?; I.hu' it (:'.
A
Page
May 13, 199'"
Wildlife Rc:wourc:us Commission to comment to you canccinim-
our request.. Also, by copy of this letter to they N. C
Division of Environmental Management, we are requesting
authorization under Section 401 of the Clean Water Act.
Enclosed are a location map, straight-line diagram,
plan/profile sheets, erosion control plans and details, and
a U.S.G.S. Map indicating location of the project and
culvert: construction sites. Please review this request for
authorization under Section 404 of the Clean Water Act. If
you have any questions concerning this application, please
contact me at (704) 321-4105.
Sincerely,
0 (.ak
W. Trent Anderson
County Maintenance Engineer
WTA/ r r
Enclosures
cc: Mr. Mickey Clemmons, NCWRC
Mr. Eric Galamb, NCDEM
Mr. V. A. Edwards, P. E.
APPLICATION FOR DEPARTMENT OF THE ARMY PERMIT OMB APPROVAL NO.0710-0003
(33 CFR 325) Expires 30 September 1992
Public reporting burden for this collection of information Is estimated to average 5 hours per response for the majority of cases, including the time for reviewing Instructions,
searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Applications for larger or more complex
projects, or those in ecologicalty sensitive areas, could take up to 500 fours. Send comments regarding this burden estimate or any other aspect of this collection of information,
Including suggestions for reducing this burden, to Department of Defense, Washington Headquarters Service, Directorate for Information Operations and Projects, 1215 Jefferson
Davis Highway, Suite 1204, Arlington, VA 22202-4302; and to the Office of Management and Budget. Paperwork Reduction Project (0710-0003). Washington. DC 20503. Please
DO NOT RETURN your completed form to either of these addresses. Completed application must be submitted to the District Engineer having jurisdiction over the
location of the proposed activity.
The Department of the Army permit program is authorized by Section 10 of the Rivers and Harbors Act of 1899. Section 404 of the Clean Water Act and Section 103 of the Marine,
Protection, Research and Sanctuaries AcL These laws require permits authorizing activities In or affecting navigable waters of the United States, the discharge of dredged or fill
material into waters of the United States, and the transportation of dredged material for the purpose of dumping it Into ocean waters. Information provided on this form will be used
in evaluating the application for a permit information in this application is made a matter of public round through issuance of a public notice. Disclosure of the information
requested is voluntary: however, the data requested are necessary in order to communicate with the applicant and to evaluate the permit application. If necessary information is
not provided, the permit application cannot be processed nor can a permit be issued.
One set of original drawings or good reproducible copies which show Cue location and character of the proposed activity must be attached to this applicadon (toe sample drawings
and instructions) and be submitted to the District Engineer having jurisdiction over the location of the proposed activity. An application that is not completed in full will be learned.
1. APPLICATION NUMBER (To be assigned by Corps) 3. NAME, ADDRESS, AND TITLE OF AUTHORIZED AGENT
Telephone no. during business hours
2. NAME AND ADDRESS OF APPLICANT
W. Tre.ln 1:. A n Aecsor ,
A/C ( ) (Residence)
Q
Nork.l? COcolinut., Dept. oT TcdnSPO AAa o A/C( ) (Off )
P.O. Styx 155 l
Andrews) t-4 C. ZS4 01
Statement of Authorization: I hereby designate and authorize
to act in my
Telephone no. during business hours behalf as my agent in the processing of this permit application and to furnish,
upon request. supplemental information in support of the application.
A/C ( ) (Residence) SIGNATURE OF APPLICANT DATE
A/C (704i '?)Z 1- 4105 (Office)
4. DETAILED DESCRIPTION OF PROPOSED ACTIVITY
4a ACTIVITY
?Co 'A.V- eYNCL Pe_ culverl`S _a?. two LZ? ex?s?ing loca?.?onS and
t n6? ctl l -a.: new 'CM p Gulverv- '/Lo tarty d ?sc.l,atrge tram. Q ?f es1? water
ser;no, a t o rt e- L I? oc ct t Ior- o n SR 134 S A. ? Ebeneser Roact I ? rte,
S I -M l: STA. 44 10 S 1 "C E e--,."r A. Z S k S 4-
S 1- e 2; STA ,, i 9 k 1,7 S
4b. PURPOSE
'ft> \m ickemn, aY,J? . Pave. S R 1345 AN. lLo Yhee -- IACDOT -'6vidaras.
?6(- k\felca,, sec.'6110c\, and alijnment 4or f-avec?, secon?tac? toads.
4c. DISCHARGE OF DREDGED OR FILL MATERIAL
FN(; FOR" A'idr,, -qAn q1 EDITION OF JAN 91tS00SOIFTF trrcK,a v?ti-""I
i M0V/WZ-9ZS - 1661 :BoUlo sutiy,d luMUuwonoo'S-n.
ICIC? MMnJ fL)? M
'41oq )o 's"A oAll uetl oxxu lou pouosudw! jo ooo'ot$ ue41 axow IOU Poo.) oq Ilelas 'A luo )o )uouwolels luolnpnea)
jo sno!lgog oslel Aue u!eluoo o) owes Bulmoui luownoop )o 6unpm osie) Aue sosn JO sO)lew Jo suo!)eluosoidoi jo sluowolels
luo!npne)l jo sno.. N 'eslel Aue soWw jo loel Ieuolew a ao!Aep 1o 'awo4os ')ul ?tue Aq do sxoAOO )o 'slecrwoo 'So!?rsfel NIn11NA? Pue Ai6u!A?ou?i
sa)elg Pal!un o41 to AAjo6e )o luowUedop Aue to uogo!psunl eyl ul4l!M lauuew Aue in ')oAwgM :1041 sop!Aoid too l uogooS •0-s-n o t
•pau4is pug )no pa))y uoeq set/ C yoo)q u! )uowa)e)s ay) j! )uQ5Q pozuoy)ne
Alnp I Aq pauB!s aq Aew )! jo Oueogdde) A)!Agoe posodoid ay) ayspopun o) sansop oym uosiod ay) Aq pauft aq )snw uogeoydde ayl
31V0 1N30V 30 38(11VN01S 131V0 lddV d0 38n1VN01S
... ? ebb ?, ? hnW ?y
i
A1l1O weo!Idde eyl to luede pez!jo41ne Alnp e4l se Bulloe ure I Jo 9ell!Al13e pesodad 94l eyellepun
of 41ne 041 ssessod I leyl Appoo letun) I •eleinooe pue 'eleldwoo 'enll s! uollew-jue tons )olM pue e6polm" Aw l0 1s9q 941 01 1041 pus 'uolleo!Idde
941 ut poulewoo uonewolu! 041 4l!M ie!I!wel we 1 Je41 Apnea I •u!eiet pegliasep se!l!A!1ae e4l 9z!1o4ine of sl!wled jo 1!w/ed a 101 spew Ag91s4 s! uo!1eo!pdV pt
lVIN30 30 31V0 IVAOHddV 30 31VO NOLLVOIIddV d0 31V0 *ON NOIIVOWLIN301 lVAOUddV 3dAl AON30V ONInssl
•uo!l
leylo Jo seeleyos!p 'ualonilsuoo 'samlonlls Aue 1o! sa!oueBe eo!Idde s!tl u! peglmaP sall!n!1oe
Ieoo1 t'o elels 'e1e1s191u! 'IOJOPO) SOW ww) POA"1 sle!uap Pun sm.1"p3m M slenoldde lie lsll -g
sBulMe?p 941 uo lioM Bu!ls!xe 941 93eo!pul •pela)dum seM A1!A!lae eql reed pue 4luow 'suoseai eA!B _s9A„ s! 1amsue )I
ON? S3A ? 4aleldwoo Mou ltbnos st uollezuo4lne 4314M 1ol ApA!loe e4l to uo!llod Aue sl •g
311SU3A0 NOLLOIOSIkinf H11M A008 ONINU3A00 IVOOI
3000 dlZ 31VIS kmnOO
O)o68Z -0 ul1oJ lo-) NJVoN
NOLLVOOI 3AI1dIkiOS30 u3H10 80 3-MOU 'OVOU '133u1S
Tvo?] ?a? av?ag3 c ?1 S{??I ?S
:ss3uoov
03SOdOUd St u0 S1SIX3 ALIAI.LOV 383HM ONVI NO NOIIVOOI 'L
03SOdOHd SI BO S1SIX3 A1IAII0V 3H311M AOOOU31VM NO N011V001 ONV A0O8831VM 9
QZ Lod
bC) IU°}I no
9Q 6a2 `DN !kyd.) nW 901-8'2 'DN It,yd,nyv
)(j- a6Uo.)OSb1 07ZI'c°?5 17)bZxQ,a
3", us c,-- CL" -anna?p-JDMQH :Z 3115 -??ny?a}11,o? o l x-L15
AVMH.l1VM -Oil gM(lr(1V (Y, IV J.l lf3?Kltkl =Tl:01.IM '7j 3 •S33SS31 -SH3NM(') Altt 1<ft it i.i 9NINK)f(1V K) C3SS 1>fO(IV ONV S-I YVVN
f /
t? sty f, ?'
., 4 tilt
lull
till e' P •\ - 'G ?'i',• -?6
I \..' . )A LyN \`? till titt?'`{ '• 1771 ?.- _. NS all talL ?ua
l
\,an
171! ?' ,i. 1774 of
u» fvd"' \ ull .? • \ o
f: \. q
tooG
G]sd V- 1L
J71 ).o - ??.. M3. Ill!" `.f
LIM
` 14PAZACVjA 4
v 1,;,;;;... ? --- \ `. .:; - oa vu ? 177 : - L7`,•
sS ' -_
`\ { p 1
174 X icy( .1u
" ma
? f? 7 ,y <:
177! YJI°W
_.. y.) l714 ? 11 y ..? 1714- I?L• _ -o _ -
y' ,v t.o Hiw?ySEE ?ti! t 1?• u)zy u?, $ e?
?- iw- !
?.. 'u e tit '' - ,f - -i]lo 41 • r LIM
+ l? .?..•,l. _?
OIL
-` It
• 111 .1 _' j_ J/ v/.? '? V..1. `Q ' 1 4 Lima
if C'?? i GOa T•.o^Q it''
::; Irs 1:s••'r
C +
TY f_ Ir
- ? \ ,b ? - rt .yam. -•
u1Q r
,173 fP s ,.
7? 117 ?A-
an LM
W J-M
T ?0 104 Y / 1
r I Lm IM 1.0 tide
1M, ? i '' ? •1117
1 L i' 1707 \
111 ? 174! 4741- + Ifa ?17s 1:
<, 7
-ii< 1, / ! ??• t •+ • i .. - K..•y
7•i•1 \ 1!N. !+ ,4 H• • 'pI` . Jj?1 7 • 1241 ••
-] /- / ? _... \t) _ . aryl ? c°,Q ISi
e r..• r?"? ` 117! °l/1I./iris • 1117 174 ?w•
?. C1.'7 . IITl- G + tl ? 7.1 'T 1114
s" • . 1741 ?_ Iwe ,: ' 111
T, • ? /? \. _ \ io ? !All
..lt]] ? ?? ,174 •7 L 1114 N'•• 1 1?S /
I7? 1177 ?l 1 -r. .7 ? '•:\:)G.U .+ :
.y •r ? ? - ltil
,r + Iv1
tit) JY _ .. 1 `1]r• -
\ ` b y .\ .. ", ?? >> t 1ij1 .V .tltt.
.214.
11],? „1?," ll ?.. t .214.
j111N it ` ?` - •',T• '' 1117 f 13H
\.1 ` Lu,? " till 11111 . ;•- S \ () _ l?y 1.a1 1H7' `' IH? ; {NL
•\ IV, _ /? / )tl/ l1RI\) \ ra l ; \ d.: 'Y?]a • r / y 1344
• ? 1)H? {I.3 u
•w..1 C•... ?,'111r . II10' 1111 \? 11 7 S7'°• 7 •? wld/ ?] ?? 1
• 111' e et- O. /-.\ ? J `'_ 1 7 tNl_ ?N ? t
..?. 111•. ? ?/ .. .t? ?H .?'\ ? 11N \ ' tiK ' ?t? . ft 1 ?1?{-•
1 • ] 1101 :C , ] ++b^" "' y,;-1M 1 .: \.`/?,d'+?11 N t{ 1171Moc.,/u.:e c_ 7
1'vr • r,••1^.`T lid ILV).!\ IIH 1 !t' _ i]U I/N ?] •(• _ - --
lift
. y -
t 1101, ` ,F{ M??__•?
7? llw r Jy Ina ` / If17 (? ?t 1 rd
14 1J-r-. -f•''. Y1 t
111• Cv I f
C l•„ H'1„?.t ?•------ - 0
11.1 i.v? V 11w•-- \17/ J' `\ ?1y1, -'r?1' -r ti?i
CHEROKEE u U .
ROAD NAME EBENEZER
S. R. 1345
6.912116
F R Otvl E.O.P. SR-1345 TO 26+27 E.O.P. ADDITION
1M-PPOVEMENT x
TO HE PAVED _ x _
P POLES TO BE ty'.OVE D 2
T. POSES TO BE MDV[ U
Ow- WIDTH
SCALE
LE
0
-- -50' -
a?? 50?
.a
ROY KEPHART
RT. 3 BOX 246
MURPHY, KC 28906
(1)
5+00
3-1
4-5
0400
3
O?
5+00
n,nn
(1)
10+00 10+00
I
(2) (2)
0°18" CMP REPLACE WITH NEW 18" CMP
o?
.`moo--- - °ooo
PL 9+12 9+12
141--5 O PL
(1)
G7
Dd
.1
5
I
s+00
i
o•
Sinn
(1)
s
15+00 15+00
-E-5 0-->-
151, CMP
HOWARD BEAVER
RT. 3 BOX 120
MURPHY, NC 28906
(2)
t \.
Lr
10foo 10-f00
WI
(2)
l
' (3)
PL
(2)
20+00 1 -,- ( 20+00 (3)
19+75. 60"- CMP -0?19+75
-F-5 0?
e 00`_15" CMP oo iil x?PLACE 1,TITH 18" CMP
coC - pooo
c6G_ °O
I
1
TOO ?
I
I
O
l 5 f oo
(2)
PL
WILLIAM P. JR. & MARY SNEED
195 ORANGE DRIVE
DALTON GA. 30720
(3)
25+00 25+00
-F-5 O?
20+00
v m 18" CMP
31
M
3
20+00
(3)
If
E.O.P.
(3)
30+00 -
-E- 5
26+27
50
30+00
cr
126+27
60" CIV A.
OOO OOOOO a
O
? OO ? oq?
O
25+00 25+00
(3)
E.O.P.
Mc?aniel bald IV\ct
x
L Quadran9 e
\ S /
a Grand,
IC " vt
M N''
is
1 5' it66 '161 (MURPHY 141-SE) 1768 vcrar?r+v ,%:? ?.?
4154 /I SE
S WA- 1:24 000
1010 t) In(H? .'(!Y' fir N! n(kvl ?(><h1 I?xa /w>'J f f i l
SITE 1 STA 4+ 1 0
ExI r tN
o0.
/
SPRi n!G i
1' rr PROP
?
1
I
• 1 1
t ? I
PRO POSE a '
" ROCk SILT
34- L _ ?s
CM p
F
r
, 1 SCR?`E1V
1 '
1 w
1 ?
1
1
1 1
1 ?1
,
1 r
? ?o
ORIVE o
,
1 /
1 M ORIVE
r--------- _.
1
1 c,
?
1
r
r
I - I I I - i - I I i
t I - y- - - I
1
I I 1
I
I
1
'
1
?
1
f *
1 i
1
on ' I r i I 4
4 i
4 I I I
-
&
-
-
I
1
,
1
? i 1
[4-
-T- - ° Q I LF : I t
J II ? I I
i ? ? 1
.
,
1"= lO LF HOOZ
I" = 16 LF VERT
STA-4+1o
57-RE-.4M PIpE PR0F1LE
5 ITE Z STA 19 + (8
T
;
` ' TErnP Pic k 51 Lr
CHECK TYPE
1
(SPACsz As ReQ 'S)
I ,
t, I PROP ADD I S LF - Go"
o ?
p !? CM(' Tn IGXIST PIPE
N ? ? ; ouY?rtT EnaD
OC j c
ROCK 51LT'
5-- N
EXIST cr ,? ?? : ,
i
A 0 NEW cl-
I
t-
i
I
44 - I -E _
+ _
r
-? -
11 -
i
,
STA 19-t-68 o SCALE
1 5TSeA M PI PS PROF"r L
s __51Tk!--3- SJAZs-+-a4
, '3 0 5
MAG "OK
K S ! L
T
R
? P -
OC
-
ypc Q
GFI??Yi ?
RA R N AS RE4 D)
CSPAC??
PRop ADD Zp LF
cMP TO EXIST' OyT'l?T END
Rock Slur
?
SCREEN J; {
C i 1 ? tt
w
t f "y
4 -
7 5r
1
_
;
1
-7
4
t
1
]? H
..
T `
?
'
CMP
-;6
s,
T
PROP FILL SLOPE
t _: - -
2 AL
?O.
ST A &5i 84
STRE
R I - - -?
F LE
AM/PIPE
I
EROSION CONTROL
DETAILS AND
SPECIFICATIONS
245.03 Temporary Silt Ditch ---------- .SD
245.05 Temporary- Diversion ..... ....... ................
898.01 Temporary Silt Fence
890.05 Temporary Slope Drain with Earth Berm ..........
245.01 Silt Basin Type A ...........................
?._._
245.02 Silt Basin Type B
892.-04 Temporary Rock Silt Check Type-A --------- *
895.10 Temporary Rock Silt Check Type-B ....._.___.,_
892.01 Temporary Rock Sediment Dam Type-A .......
Temporary Rock Sediment Dam Type-B ._ U
897.01 Rock Pipe Inlet Protection Type-A .........-. r •';
897.02 Rock Pipe Inlet Protection Type-B -
894.01 Rock Silt Screen ............... ....
245.04 Stilling Basin ............................ .............. vl?j
Rock Inlet Protection:
896.01 Type A ............................... A a-- OR -- A))
896.-02 Type B ............................... B " OR B))
896.03 Type C ............................... C OR - C)
12
March, 1992
TEMPOPA RY EROSION CON
T%?OL SYMBOL
TEMP STONE DITCH CHECK
-l?0CK.S/L-T "CHECK DAM
SILT BASIV-B
TEM- P SLOPE DRAIN
TEII4P.-'- S?L-T - DI T CH TSD
--?- -''
EAP'TH EMBANKMENT
SILT FEN CE
.M_ •s
-E-MP S7-RE4 M CROSSING
'I BER G LASS ROVING F G R --
Proht-ised Itoac ......... -- --- --- -- - - -
l xrstinl Road ......................
Railroad ............................
_?,
Control of :Access Lill(' ............. -----
f
Slope Stake Dine ....................
Bridge ............................. ,
-,
Culvert ............................
i
Telephone or Telc??r?l??ll Pole ......... I?:. \1"." -o- , 1(01 --&
Tower Pole and Line ................. --?---?}--r- -
r.:a , PItchP 6 ?
.
Power Pole ..........................
Easelrlent Lime ....................... --_??
Nlowill.7' Limit .......................
.........................
Guard Rail
San-itary Sewer Line ................. -
Water Line ......................... - - ?- t
GAS
Gas Line ............................
pito110SED I,\!s'l'1.-\IC;
Chain Link Fence ................... - -?- --[D-----O-
Woven ?Vire Fence .... _ ............. - ?--?- -?---o-
Regen-erati-on ........................
Reforestation .......................
'I'emporzu v Silt Ditch ................ 'PSD I'SD
Temporary Silt hence ................ -?,
Temporary Slope Draill ..............
Brush L)Iarr•iei ........................
Sut Check Dam 'l?y-pe A ............. . '
Silt Check Dam Type B ...............
Silt Basin '1?pe A .................... --? •
Silt Basin Type B ....................
Rock Silt Check Darn .................
a r t h R C r rl l ......................... -? .-? .-} --- - -;
Temp, Stone Ditch Check ...... .. ??lr ??- 1
{~"H 1
roMin,
TEMPORARY SILT DITCH:
IS D
A temporary silt ditch shall be used in place of silt fence in many situations.
Temporary silt ditches shall be used at the toe of fill slopes to divert runoff into
sediment basins, temporary rock sediment dams, temporary rock silt checks and/or
other sedimentation control measures. Temporary silt ditches are approximately 1
ft. deep, 2:1 side slopes with an optional earth berm.
AREAS OF USE:
• Toe of fill slopes where fill exceeds 3 ft in vertical height.
• Along streams to intercept flow and/or divert to a controlled outlet.
VI-2 March, 1993
i:a
oiM
•r, , N
?
?1il1 J
Q
0 0
d i
d l
Q U ?z
r? d °
y
a
d O
0 OQW
z -j
L
LJ o a?
a c_t
-
> ° U? r
?a
O
0
o Q
C O
c:.
F-
\ O
z w
0X
cr. a Z
Q
¢
?
-» v o '
? U' I o O
a
MI l
f ~
w h
F?
om
d I
iz a
VI-3 March, 1993
TEMPORARY SILT FENCE:
A temporary silt fence is commonly used at the toe of a fill section to prevent off-
site sedimentation. It is made of permeable filter fabric buried at the bottom,
stretched and supported by steel posts. The silt fence reduces the water flow while
retaining the sediment. They may also be used to divert water flow to protected
outlets. Silt fences need to be checked after each significant rainfall to ensure there
effectiveness. They must be maintained on a regular basis. Silt fences shall no be
installed across streams, ditches, or waterways.
AREAS OF USE:
At toe of fill sections where sediment runoff can be stored and contained
inside the project limits.
DESmN CRnEwA:
Material With Wire Without Wire
Fabric Type 3 Class A Type 3 Class B
Steel posts length 5 ft 5 ft.
Post spacing 10 ft. 6 ft. maximum-
VI-6 March, 1993
31
i
w W-
Ld
33
O
x3
X
m m
.? CD
w?
C?
.-, z
,a LLI
U U
a:
W N
O ?
Z~
Qm
LLJ
O J
OQ
?m
E
Z -
Qz
Cr_
W
O
O¢
?m
O-
m
W
O m
Z
Q J
J
d¢
O 2
HLn
U
Cr
m
LL
Cr
w
J
LL
w
O
3
LU
O
Z
(..T
m
LL m
Cr LLI
'-'
w3
F -
_j
Z
LL Q
J
J
LL
O
W
U
a
O
U
in r
_ ? ?
0 0
Iii- as
-III ?0
II I I „ j
_--I ` 0 z
L) U
LLJ
CO 0--
¢
L_
0E
ism--- -----------11 OZ O
;r U, z
z
II I w 3
a m
M w z LD
w
Z Cr F-
Lr)
LL Z
O >- Z
W W •_ • a
LL ?
?¢¢ Qmf= I LL m
O i Cn W J J
>
W
mOW
Q
(n
CD
Z Co X m
_j
Q
3 -J Z _j
LLJ
?zw
J?
J
Q -
Q
Q Q LL
O Li
a Q W
m(nw U=O=N
~ H W
JZ3
a0 0?-c~n m
J
F-a
= Q LL 3¢ m 0- Z w 0 0
w
N= z
'-" or z O O
- W w J ¢
U) CL Z
F-
W
O J 0 W
Z W
Z J cD w U W
F-
=
W O
O M
3 W U M F- W I- O J O
3 ¢ LL (n m Lo O 3 O
Z LL d LL ¢ .-+ W Z Z
? O (n O LL O 2 ¢ ¢
z
3
i>Wi.
L a
0
O
zm
co
F- F-
W 0 ?
W
U
W
L.L.
I-- Z
ry)
J a?
ea
U?
Q
o
iQ.z
W Do
'F- w?
?Io?o
Cr_
Q
Z
Q
O
.0
C
N
VI-7 March, 1993
T
)I 1 TEMPORARY ROCK SILT CHECK TYPE-B:
A temporary rock silt check type-B (also called check dam) is a small dam with a
weir used to reduce gullying in drainage ditches that are to be filled or
permanently stabilized at a later date. These type-B rock silt checks help reduce
the flow velocity and are generally made of class-B stone. They are used in ditches
during construction where the grade meets and/or exceeds 3%.
AREAS of USE:
• In channels, roadside ditch outlets, temporary silt ditches, and temporary
diversions.
• In conjunction with type-B silt basins.
DESIGN CRITERIA:
• Center of rock silt check shall be at least 1 foot lower than the outer edges
(top of channel sides)
• The spacing (ft.) _ (3 / % of ditch grade) X 100 ft.
VI-16 March, 1993
U
W
o ?
0
J -?
Q Cr)
U =
O U
?--
r"J
W O
Q LU
Cr_ W
> O
F-
LL LL I-
O O O
F-
?
z
O
K
?
J
Q
z
z
3
W
Z
Q
J
CL
U
0
J I
Q
O 3
0 i, W
d Z ?? >
?{ F z
O
LL-
0
O
I:
a
Q
LL! I W
Q W
I
0
J
Q
LLJ
m
F-
a
? F-
? J
z I Q (n
Z
O
F-
d.
0 _
U
F-
z
O
, z
0 0
_ \ A .-,
F- u
is
z /
~ J
Q
W `-, - W
0
(p o _y s (n
(n LLI
(nW
, 0
CnN
0 >
m i; O W
m m
U Q
U 0-1
F-
N-'
rm
W f--
m u
W Q
Z Jm
O J F-
F- JQZ
(n020ZZ
m(n000
W F- F- -
mZOW U7
O Z 2 m 0
JU<IQ -Wm=
J 0- W
QZ^F-
SO- QWm=
(n-m UOm
ui- m-LL-
W O Ow
=v)LLmWO
0 WCn Z(n
W F- ¢ o F- O a
F-MIMJ--F-J
O oucz )U
Z LL-O-=)- --
Q
o,m
i
clLn
T
/ICC
m
i
LLJ
F-
I-z
U
LLJ
U
?Z
J
CO 9?:
?J ?ir.lF?
O EE-?
Qp?
Q HOC
Q ?A
? F
LLJ
F-
C
Q
F-
C!?
o
a
E.
VI-17 March, 1993
M
ROCK SILT SCREEN:
A rock silt screen is a low-level dam structure to be used in streams below culvert
sites. Rock silt screens shall be used to trap sediment transported by running water
and shall be placed in the stream below the construction site within the right-of-
way or easement boundary. The rock silt screen utilizes class B stone lined with #5
or #57 stone to produce a ripple-effect in the stream to settle the larger sediment
particles transported in the stream from the construction site. The trapped sediment
shall be cleaned out before the device is removed from the stream.
AREAS OF USE:
• In live streams below construction sites where construction occurs in or
adjacent to the stream.
• In live streams below a culvert construction site.
• Where it can be cleaned before it is removed from stream.
DESIGN CRITERIA:
• Structural stone - class B stone
• Sediment control stone - # 5 or # 57 stone
• Dam height - 1.5 ft. minimum and 3 ft. maximum (shall not be higher than
1 ft. above normal flow of stream)
VI-24 March, 1993
a
_.I
s 3
a W
¢
O 0-
W O
N ~
a
m
J
1
z2
a
m
a
o
r-
E- Z
E- Z a w w
CO zF?-O O 'Dp.Ow AE,O
Zd 6 ) O
W..^ V aawidA °W
° z
zrn: Ix ?x o w a
00m0xw xxa?_Co xW¢
E- ct. 0.
En W(nAFO ztod0 (=ja Ax
a .? xU
C4 z
CO w ozo °
C4 f?a0d,.?w-z?wFE- z
U F Imx W
ExW WE-OOMWWzFWxW>
a00 dtn F 0- W
wxME- E- ?Aaw¢wFd.aa¢F
E-Ci zdzzdrwn¢ox?zZ.-g
O woxool'? =E-0 xwW
Z t7. umu&.U MMrx.cLU tn-,A
z
Z
Q
m
0
a
0
3
W
Z
F
H
CO Z
O
Li
X
Q
W
z
O Z
o
r I4D
1
w
`A
Jr1 N
T ..?i.. (n
N
? " x
U
Z
0
N
0
U
f-
W2
S
O
W
N
l n
z
W
(W
U
Cf-)
x? -
? xxx
v
O °o`
r zza
QQ=
O
?A
Q F
Q
F--
Cn
.;i 3I O
z F-l E
mi V1
VI-25 March, 1993