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" .- i "' -- -- - - », ,...- _,. .:_.4 :e " '-^i'!.• _. - - . \ . . 43 _ t�P AL - _ - _ - - -- - r, . /i 1 i t r t r f ! 1 I I i 'i t t i t ` " `� - _ - - -
190
ON OF SILT FENCE
= - -% SILT FENCE �; _ rti \ \ \ - e' I � _ - - _ - - - - - . % ` , r '6/ i , . � �'I -. ,- ,_
- �, a _ - - - - --- - - - - --
e ,, r : • ._ >rv. \ >'_', '° ,�. I1 \ \ t o � - _ i '1 i \ . , l , 1 1 1 4 i . d \ •,, � i
OUTLET �'t` _ \ � I _
CONSTRUCTION STAGE 2
A) INSTALL PERIMETER SEDIMENT FENCE INSIDE OF COMPOST
SOCKS AS INDICATED ON THE PLANS ON THE WEST SIDE OF
DUKEVILLE ROAD AND ALONG NORTHERN PERIMETER ON
EAST SIDE OF DUKEVILLE ROAD AS INDICATED ON THE PLANS.
B) INSTALL TEMPORARY CONSTRUCTION ENTRANCES AS SHOWN
ON PLANS.
C) CONSTRUCT THE SEDIMENT BASIN INCLUDING OUTLET
STRUCTURE AND PIPE AS SHOWN ON THE PLANS AND PER
THE FOLLOWING SEQUENCE:
i) EROSION CONTROL - CONSTRUCT STRUCTURE SO THE
DISTURBED AREA IS MINIMIZED. DIVERT SURFACE WATER
AWAY FROM BARE AREAS. STABILIZE THE BASIN AND ALL
AREAS DISTURBED IMMEDIATELY DURING CONSTRUCTION OF
THE BASIN AS INDICATED ON THE PLANS.
ii) SITE PREPARATIONS - CLEAR, GRUB, AND STRIP TOPSOIL
FROM AREAS UNDER THE EMBANKMENT TO REMOVE STUMPS,
VEGETATION, ROOTS, AND OTHER OBJECTIONABLE MATERIAL.
DELAY CLEARING THE POOL AREA UNTIL THE EMBANKMENT IS
COMPLETE AND THEN REMOVE BRUSH, STUMPS, AND OTHER
OBJECTIONABLE MATERIALS TO FACILITATE SEDIMENT
CLEANOUT.
iii) CUT-OFF TRENCH - EXCAVATE A CUT-OFF TRENCH ALONG THE
CENTERLINE OF THE EARTH FILL EMBANKMENT. CUT THE
TRENCH TO STABLE SOIL MATERIAL, BUT IN NO CASE MAKE IT
LESS THAN 2 FEET DEEP. THE CUT-OFF TRENCH MUST EXTEND
INTO BOTH ABUTMENTS TO AT LEAST THE ELEVATION OF THE
RISER CREST. MAKE THE MINIMUM BOTTOM WIDTH WIDE
ENOUGH TO PERMIT OPERATION OF EXCAVATION AND
COMPACTION EQUIPMENT, BUT IN NO CASE LESS THAN 2 FEET.
MAKE SIDE SLOPES NO STEEPER THAN 1:1.
N 11200.00 N 11148.78 SILT FENCE N 10966.11
E 4331.91 E 4303.25 OUTLET E 4288.43 J-HOOK W1 OUTLET
N 11100.00 N 11049.53 2 N 10941.19
E 4287.82 E 4281.87 S00000 E 4293.28
10
iv) EMBANKMENT - BEGIN CONSTRUCTION OF THE EMBANKMENT
WITH APPROVED FILL. MATERIAL CONSISTING OF CLEAN
MINERAL SOIL, FREE OF ROOTS, WOODY VEGETATION, ROCKS,
AND OTHER OBJECTIONABLE MATERIAL. SCARIFY AREAS ON
WHICH FILL IS TO BE PLACED BEFORE PLACING FILL. PLACE
FILL MATERIAL IN 6 TO 8 INCH LOOSE LIFTS OVER THE ENTIRE
LENGTH OF THE FILL AREA AND COMPACT TO 98% STANDARD
PROCTOR DENSITY AT ± 3% OPTIMUM MOISTURE CONTENT.
v) CONDUIT SPILLWAYS - INSTALL OUTLET STRUCTURE OS-03 AND
ATTACH THE PIPE USING WATERTIGHT CONNECTIONS PER THE
DRAWINGS AND PROJECT SPECIFICATIONS AS EMBANKMENT IS
BEING CONSTRUCTED, IN NO CASE SHOULD THE PIPE CONDUIT
BE INSTALLED BY CUTTING A TRENCH THROUGH THE
EMBANKMENT AFTER IT HAS BEEN FULLY CONSTRUCTED,
INSPECTED AND TESTED FOR REQUIRED COMPACTION.
vi) EMERGENCY SPILLWAY - COMPLETE THE PLACEMENT AND
COMPACTION OF FILL MATERIAL FOR THE EMBANKMENT AND
EMERGENCY SPILLWAY.
D) REMOVE EXISTING FEATURES IN ATTENUATION BASIN AREA ON
EAST SIDE OF DUKEVILLE ROAD AS SHOWN ON THE PLANS.
PLAN
LEGEND
-- -- -. -
EXISTING CONTOUR LINES
.---CS
COMPOST SOCK BARRIER
-LOD-
LIMIT OF DISTURBANCE
---------'
DITCHLINE CHECK DAM
- Oi-IW- "
OVERHEAD WIRE
- WD- -
WETLAND DELINEATION
BENCHMARK
l.._ ­471
WETLANDS
-
CHAIN LINK FENCE
. "T€ F-- -
TREE PROTECTION FENCE
`---�_^_- ' TREE LINE
MONITORING WELL
POWER POLE
-a
LIGHT POLE
o
FIBER OPTICS
--'FO--
FIBER OPTIC LINE
[01
UNDERGROUND UTILITY
--U E--
UNDERGROUND ELECTRICAL
®
PHASE 3 (TO REMAIN UNDISTURBED DURING PHASE 2)
®
PHASE 1 & 3 OVERLAP _11111101
PROPOSED RIP RAP
PIPE INLET PROTECTION
ROCK PIPE INLET PROTECTION
GENERAL NOTES
1. FOR REFERENCE DRAWINGS SEE SHEET 01.
2. OUTLET STRUCTURES SHALL BE CAST IN PLACE PER
DETAILED DESIGN DRAWINGS TO BE ISSUED AT A LATER
DATE.
3. DISTURBED AREA OUTSIDE SILT FENCE WAS REQUIRED
FOR COMPOST SOCK INSTALLATION AND TREE CLEARING
ONLY. NO ADDITIONAL DISTURBANCE SHALL OCCUR BEYOND
SILT FENCE.
1
2
3
LI
5
0
-STR- -
STREAM ALIGNMENT
4.
AREA WAS CLEARED IN PHASE 1 BUT WILL NOT HAVE
UNDISTURBED AREA WITHIN PROJECT BOUNDARY
ADDITIONAL DISTURBANCE UNTIL PHASE 3 ESC APPROVAL.
SEEP DRAINS
3
REVISED LOD AND PIPE LOCATION
07/12/18
EDS
T S
(T
2
ISSUED FOR CONSTRUCTION
05/29/18
MPL
TJS
GPL
JRH
1
ISSUED FOR PHASE 2 PERMIT APPLICATION
05/23/18
MPL
TJS
GPL
JRH
-SF-
SILT FENCE
0
ISSUED FOR PHASE 2 PERMIT APPLICATION
03tgqrlg
NO.
REVISION
DATE
DR/DNR
ORENG
TSCK
ENGCK
CONSTRUCTION ROAD ENTRANCE
CAST IN PLACE OUTLET STRUCTURE
DUKE
- ST- -
UNDERGROUND STORMWATER PIPE (CHDPE)
Q
SEDIMENT BASIN
I
ENERGY)
7
151
EXISTING RIP RAPBAB-16438-00-C-300
OWNER'S DRAWING NUMBER
7HFETREV
3
44
SILT FENCE OUTLET (COORDINATE GIVEN
IS CENTER OF OUTLET)
r,�f_,L �4� ME I
ZACHRY ENGINEERING CORPORATION - 255 EAST HEBRON STREET, CHARLOTTE, NC 28273
NORTH CAROLINA BOARD OF EXAMINERS FOR ENGINEERS LICENSE #F-1171
ZACHRY GROUP -527 LOGWOOD AVENUE, SAN ANTONIO, TX 78221
DOCUMENT CONTAINS PROPRIETARY INFORMATION OF ZACHRY ENGINEERING CORPORATION ("ZACHRY").
RIGHT, TITLE AND INTEREST IN AND TO THIS DOCUMENT, INCLUDING ALL INFORMATION CONTAINED IN
DOCUMENT, SHALL BE GOVERNED BY THE APPLICABLE CONTRACT BETWEEN ZACHRY AND ITS CUSTOMER
IN THE ABSENCE OF SUCH A CONTRACT, IS HEREBY RETAINED BY ZACHRY. THIS DOCUMENT IS NOT
NDED OR REPRESENTED TO BE SUITABLE FOR ANY UNAUTHORIZED USE OR REUSE.
DUKE BUCK BENEFICIAL ASH 8
SITE WORK
CONSTR STAGE 2 - SEDIMENT BASIN GRADING
AND E & SC MEASURES; PLAN
M PINA LOPEZ I T SCHAPPA I GP LIND
E-DO07836-STWS00000 1071 3
w
JQ
C
n
E F
G
schcele 7/12/2018 2:46:41 PM