HomeMy WebLinkAboutSW8910705_APPROVED PLANS_19910726STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 C� 1 0 -1o5
DOC TYPE
❑ CURRENT PERMIT
0 APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
9 l 0-1 2 �
YYYYMMDD
BRUNSWICK COUNTY
SOLID WASTE
CONVENIENCE SITE #2
May 1991
`_SNALIpiiE
COUNTY Or BRUNSWICK .
Orrju1 Or, Ti-IL COUNTY ENGINEER
POST OFF10- BOX 249
BOLNIA, NORTII CAROUNA 28422
RE.C. E I w 9 P
JUL& , t>t1
DEM
rxoJ s
ReceiVED
JUL 51991
KRLnI
O
i
E BOLT a �I-
RUB RAIL
4'A 6" CREOSOT
PINE RUB RAIL
fi"
I
J
-� RETAININO WALL' (.'I
1
�i NO at lB"oc �—
RIB RAIL
L
1/2"A 151/i' k,
THREADED
ANCHOR BOLT
W/ NUT d
1 V2r* WASHER
3 1/2" AT 3' O.C.
-ANCHOR BOLT SECTION DETAIL -
SCALE t IX In d-BW
_ NOTES, USE TWO (2) EACH PER RAIL.
BOLT, NUT 9 WASHER TO BE HOT -DIPPED pAL1Al1f112E0.1
12 GAUGE 4"x4" OR 2" x4' WELDED WIRE HOOKED ONTO
PREFORMED CHANNELS ON METAL POSTS, OR FASTENED
TO CEDAR OR WOOD POSTS W/ HO.B STAPLES.
(((��-'''ULTRAVIOLET RESISTANT (BLACK) MIIUFI FABRIC
j OR EQUIVALENT SECURED TO WIRE W/ METAL
I CLIPS OR WIRE AT On OFF CENTER.
MAX. SEDIMENT STORAGE LEVEL. REMOVE
SEDIMENT WHEN THIS LEVEL IS REACHED
OR AS DIRECTED BY CONSERVATION
INSPECTOR
NOTE 91 1) TOTAL DRAINAGE AREA FLOWING TO SILT
FENCE MAY PNOT EMCEED I ACRE.
2) SILT FENCES SHOULD NOT BE USED AT
PIPE OUTLETS OR IN AREAS OF CONCENTRAI
FLOW (CREEKS, DI TCHLINES.$WALES ETC.)
S OC• MN1-'I
FENCE
'SILT —
FLOW
_?-�---SHEET DRAINAGE (ONLY)
—.4- NATURAL GRADE
CARRYAPPROX.12" OF FABRIC INTO TRENCH, COVER W/SOIL B TAMP BACKFILL.
CARRY Be OF WIRE INTO TRENCK
METAL, CEDAR OR4 X{ TREATED WOOD POSTS AT 10' D.C. MAX.. CEDAR a
WOOD POSTS SHOULD BE ] DEEP MIN.
Design
lsettled min 10,
top �\
7H—M 11 = ,
I1.5 11
5 it
7 max fill
Figure 6.60e Temporary sediment trap.
-DETAIL OF SILT FENCE-
-NO SCALE-
FL•G`N OF ' Lr
I TO INCREASE STORAG
CAFWCITT AND PROLONG THE LIFT
THE SILT FENCE, IT 93 GENERALU
ADVISABLE TO DIG A SEDIMENT
N FRONT OF YOUR SILT FENCE
WHENEVER POSSIBLE.
Cross Section Filter fabric
Overfill 6"
IOr settlement
4 It min
!1p. IT
- ItEmergency
Slope max 4r' by-pass
6" below --
fabric 1:1 side slope settled top
.y....11
grand of dain
311
min
Stone section
— NO. 4 at 6" OC
3 at IB" oc
CHAMPHER ALL EXPOSED EDGES („
a
W
fi'CONC SLAB WITH 6.6.6/6 WWM
\ EXP JOINT —� 2". 4" KEY
4
\y 4. 4' CURER
•� + r > - - - - - - - - - ! 4" DIA THERMOPLASTIC WITH 6" NO. 5 STONE
Ft'
In.
NO 4 of 6 CC
'�i\\ \\ N04 at 18"oc
1010"CABC 1— 24"—I2"+I -36" —1
WALL SECTION -
—TEMPUHAHT GKAVtI_ GUNJI KUL; i_IUN MN IKAINLr- —
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE
a. NC DO TO 3 ar I ST WASHED STONE SHALL BE USED. PAD TO BE 50' L . 20' W • 6" D AT A MINIMUM.
A. TURNING RADIUS SUFFICIENT TO ACCOMODATE LARGE TRUCKS 15 TO BE PROVIDED.
a. ENTRANCE($) SHOULD BE LOCATED TO PROVIDE FOR MAXIMUM UTILITY BY ALL CONSTRUCTION
VEHICLES.
A . MUST BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR DIRECT FLOW OF MUD
ONTO STREETS. PERIODIC TOPORESSING WITH STONE WILL BE NECESSARY; KEEP SOME HANOY
a. ANY MATERIAL WHICH STILL MAKES IT ONTO THE ROAD MUST BE CLEANED UP IMMEDIATELY.
eT
PpO
51%
"5.m ,
90, 6' WrInt. —1
NCDOT #° 5 or P57 Wa.hee Stone
NOTES, APPLICABLE AT ALL POINTS 0° INGRESS B EGRESS UNTIL SITE IS STABILIZE.. FREQUENT
CHECKS OF THE DEVICE AND TIMELY MAINTENANCE MUST BE PROVIDED.
a°vn It- ... 1.1c .a°in . x nt°nuTt° An .-m-aa n VI 1... °I... w.. er ...,....4..
—TEMPORARY DIVERSION BERM/DITCH—
TEMPORARY DIVERSION BERM/DITCH
a. MACHINE COMPACTION OF ALL FILL IS REQUIRED. DIVERSIONS SUFFIENT TO DIRECT ALL
SEDIMENT -LADEN STORMWATER INTO A SEDIMENT CONTROL DEVICE MUST BE INSTALLED
PRIOR TO CLEARING B GRUBBING OF THE AREA NOR IN CONJUNCTION WITH THIS OPERATION
IF SEDIMENT CONTROLS B DIVERSIONS ARE INSTALLED AS EACH CRITICAL POINT IS REACHED).
5. DIVERSIONS SHOULD BE LOCATED TO MINIMIZE DAMAGES BY CONSTRUCTION OPERATIONS.
C. DIVERSIONS SHOULD BE SEEDED a MULCHED IF THEY ARE TO REMAIN IN PLACE OVER 30 DAYS.
A. CHECK DEVICE AFTER EACH RAIN, BUT ONCE A WEEK REGARDLESS. REPAIR AS NECESSARY.
"He, r"..
x'xwl I I ..
WIN
,: M,.. a- IT : Y,.
V.:.T. i�. Ml�..a MT.•X, --Fa><FI"-M'�fi11 _ITN CC-� li
coM.Aotn ell
-BERM- -BERM/DITCH- -DITCH-
NOTES, POSITIVE GRADE MUST BE PROVIDED TO ASSURE DRAINAGE. IF SLOPE EXCEEDS 2%, SEED
B MULCH DIVERSION. TRY NOT TO EXCEED 5 % (NIGH VELOCITIES RESULT). MAXIMUM D.A.
• 5 ACRES WITHOUT SUPPORTING CALCS.. DIVERSIONS AT THE TOP OF SLOPES MUST EMPTY
WTOAN APPROVED SLOPE DRAIN. BERM/DITCH IS MOST COMMONLY USED.
WarIcn FCAF tn. 011. 3-1°-u
-II-
Seeding mixture
Species' Rate (Ib/acre)
Tall fescue BO
Pensacola Bahiagrass 50
Sericea lespedeza 30
Kobelespedeza 10
Seeding notes
1. From Sept. 1 - Mar. 1, use unscarified sericea seed.
2. On poorly drained sites omit sericea and increase Kobe to 30lb/acre.
3. Where a neat appearance is desired, omit settees and increase Kobe
to 40 lb/acre.
Nurse plants
Between Apr. 15 and Aug. 15, add 10lb/acre German millet or 15lb/acre
Sudangrass. Prior to May 1 or after Aug. 15. add 25 Iblacre rye (grain).
Seeding dates
Best Possible
Early spring: Feb. 15 - Mar. 20 Feb. 15 - Apr. 30
Fall: Sept. 1 - Sept. 30 Sept, 1 - Oct. 31
Soil amendments
Apply lime and fertilizer according to soil lasts, or apply 3,000.5,000lb/acre
ground agricultural limestone (usethe lower rate on sandy soils) and 1,000
lb/acre 10.10-10 fertilizer.
Mulch
Apply 4,000 lb/acre grain straw or equivalent cover of another suitable
mulch. Anchor straw by tacking with asphalt, netting, or roving or by crimp-
ing with a mulch anchoring tool. A disk with blades set nearly straight can
be used as a mulch anchoring tool.
Maintenance
If growth is less than fully adequate, refertilize in the second year, accord-
ing to soil tests or topdress with 500 lb/acre 10-10- 10 fertilizer. Mow as
needed when sericea is omitted from the mixture. Reseed, fertilize, and
mulch damaged areas immediately.
'Refer to Appendix 6.02for botanical names.
4" Cf
L7
2'
I/4 IXCH/FOOT = I-2 V? t
_JI Vjl`/\" B'C. A.B.C. �y r� COMPACTED SUBGRADE V/,�/J, �J
5
- ROADWAY TYPICAL SECTION -
.I-I/2" PAINTED STEE'_ RAIL
i
— SECTION A -A —
— RETAINING WALL PLAN VIEW —
r
I•�
l7
I
E 1
V
O
L-+
G
U
0
rF /
vJ
W
CU
W
z
W
z
O
U
K
N
z
0�
U
A
as
LO