SW3220301_Plansheet 7 - Misc. Detail_20220420

SEEDING MIXTURE RATE (Ib/acre)
Tall Fescue 80
Sericea Lespedeza 20
Kobe Lespedeza 10
SEEDING NOTES
After Aug. 15 use unscarified sericeo seed.
Where periodic mowing is planned or a neat appearance is desired,
omit sericeo and increase !Cabe lespedeza to 40 lb%acre.
To extend spring seeding dates into June, add 15 ib/acre hulled
Bermudogross. However, after mid —Apr. it is preferable to seed
temporary cover.
NURSE PLANTS
Between May 1 and Aug. 15, add 10 lb/acre German millet or
15 lb/acre Sudongross. Prior to May 1 or after Aug. 15 add
40 Iblacre rye (grain).
SEEDING DATES Best Possible
Fall: Aug. 25 — Sept. 15 Aug. 20 -- Oct. 25
Late Win ter: Feb. 15 — Mar. 21 Feb. 1 — Apr. 15
Fall is best for toll fescue and late winter for lespedezos.
Overseeding of Kobe lespedeza over fall ---seeded tall fescue is
very effective.
SOIL. AMENDMENTS
Apply lime and fertilizer according to soil tests, or apply
4,000 Ib/acre ground agricultural limestone 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 crimping with a mulch anchoring tool. A disc
with blades set nearly straight can by used as a mulch
anchoring tool.
MAINTENANCE
Refertilize in the second year unless growth is fully adequate.
May be mowed once or twice a year, but mowing is not necessary:
Reseed, fertilize, and mulch damaged areas immediately.
Reference: Table 6.11 1 from NC Erosion and Sediment Control
Planning and Design Manual, 1988,
SEEDING SPEC-IFICATIONS
SEEDING MIXTURE RATE (Ib/acre)
Species 200 (4-5/1, 000ft2)
Tall Fescue
NURSE PLANTS
Between May I and Aug. 15, add 10 lb/acre Sudongrass or
10 Ib/acre German millet. Prior to May 1 or after Aug. 15 add
40 Ib/acre rye (grain).
SEEDING DATES
Best: August 25 — October
Possible: February — April 15
Avoid seeding from Nov. to Jan. If seeding must be done at this
time, add 401b/acre rye grain and use a channel lining that offers
maximum protection.
SOIL. AMENDMENTS
Apply lime and fertilizer according to soil tests, or apply
4,000 Ib/acre ground agricultural limestone and 1,000 Ib/acre
10-10-10 fertilizer. Operate tillage equipment across the waterway.
MULCH
Use jute, excelsior matting, or other effective channel lining
material to cover the bottom of channels and ditches, and staple
securely. The lining should extend above the highest calculated depth
of flow. On channel side slopes above this height, and in drainages
not requiring temporary linings, apply 4,000 lb/acre grain s tro w
and anchor straw by stapling netting over the top.
Mulch and anchoring materials must not be allowed to wash
down slopes where they can clog drainage devices.
MAINTENANCE
Inspect and repair mulch frequently. Refertilize in late winter of
the following year; use soil tests or apply 150 Ib/acre 10-10-10.
Mow reqularly to a height of 2-4 inches.
Refer to Appendix 8.02 for botanical names.
GRASS -LINED DITCH SEEDING SPECIFICATIONS
S' max. standard strength fabric with wire fence
b' max_ extra-trangth fabric kvithnot wire fence
Plastic ar
.-.,•�**""~'- wire ties
Wire I - 18 2 °
' Natural
ground
dawn al 4"
forward aiarlg
�,1 the trench
Filter
fabric
Wire
fence
Crass-Sectfio n
View
Filter
Steel fabric Backfifl trench Natural
past andaulk#
the
crGuglllp ground
�•. min,.•
,.�■ �.+
i•�� �'��e+.' fill@
A a A • ` N.
.a.
Maintenance Inspect sediment fences at least once a %veekand a#lercach rainfall. 'Take an,
required repairs immediately.
Should the fabric of a xcdiment fence collapse. tear. decompose or became
inclTective. replace it promptly.
i
Remove sediment deposits as necessary to provide adequate storage volume
for the next rain and to reduce pressure on the fence. Take care to avoid
undermining the fence during cleanout.
Remove all fencing materials and unstable sediment deposits and bring the
area to grade and stabilize it after the contributing drainage area has been
properly stabilized.
TEMPORARY SiLT FENCE NTS
S1
WIRE
(IF AF
SILT
FENS
GENERAL NOTES:
1. SEDIMENT FILTER OUTLET HARDWARE CLOTH SHALL BE 24' HIGH AND
STONE SHALL BE A MINIMUM OF 12" HIGH.
2. HARDWARE CLOTH SHALL BE ANCHORED TO THE STEEL POSTS
SECURELY USING APPROPRIATE ANCHORS. HARDWARE CLOTH SHALL
BE KEYED IN A MINIMUM OF 12 INCHES IN LENGTH AND
BACKFILLED PROPERLY AS SHOWN IN ABOVE DETAIL. HARDWARE
CLOTH TO BE SAME AS STD. 930.09 (19 GAUGE, 1/4" SPACING).
3. POSTS SHALL BE NO MORE THAN 4 FEET APART.
4. 51TF OUTLETS AT LOW AREAS IN CONJUNCTION WLFH AND ALONG LONG
RUNS OF SILT FENCE AT INTERVALS NO CLOSER THAN 111D FEET.
DRAINAGE AREA TO OUTLETS SHALL NOT EXCEED 1/4 ACRE.
5. EQUIVALENT ALTERNATIVES MAY BE USED WITH PRIOR C11Y APPROVAL.
REF. NCDCT STD. 1607.01
STEEL POST
HARDWARE CLOTH
r WASHED
F STCNE
f/ (NCDOT #5
OR #57j
1 FLOW
ANCHOR SKIRT;
EXCAVATE TRENCH
AND COMPACT
BACKFILL
MAINTENANCE NOTES:
1. FILTER OUTLETS SHALL BE INSPECTED BY THE FINANCIALLY
RESPONSIBLE PARTY OR HIS AGENT IMMEDIATELY AFTER EACH
RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL.
ANY REPAIRS NEEDED SHALL BE MADE IMMEDWi-ELY.
2. THE STONE SHALL BE REPLACED PROMPTLY AFTER ANY EVENT
THAT HAS CLOGGED OR REMOVED IT.
3. SEDIMENT DEPOSITS SHOULD BE REMOVED WHEN DEPOSITS
REACH HALF THE HEIGHT OF THE BARRIER. ANY SEDIMENT
]DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE OUTLET
IS REMOVED SHALL BE DRESSED TO CONFORM TO 7HE EXISTING
GRADE, PREPARED AND SEEDED.
NOT£5
I. PROVIDE TURNING RADIUS SUFFICIENT TO ACCOLfMODATE LARGE
TRUCKS.
2. LOCATE ENTRANCES TO PROVIDE FOR UTILIZATION
BY ALL CONSTRUCTION VEHICLES.
3. MUST BE MAINTAINED IN A CONDITION iVHIGH i'IILL PREVENT
TRACKING OR DIRECT FLOUT OF 'JUD Ot4TO STREETS.
PERIODIC TOPDRESS2NG WITH STONE WILL BE NECESSARY.
4. ANY MATERIAL TRACKED ONTO THE ROADWAY !,BUST BE
CLEANED UP IMMEDIATELY.
5. LOCATE GRAVEL CONSTRUCTION ENTRANCE AT ALL POINTS OF
INGRESS AND EGRESS UNTIL SITE IS STABILIZED. PROVIDE
FREQUENT CHECKS OF THE DEVICE AND TIIAiELY MAINTENANCE,
5. NUMBER AND LOCATION! OF CONSTRUCTION ENTRANCES TO
BE DETERMINED BY THE ENGINEER.
7. USE CLASS 'A' STONE OR OTHER COAHSE AGGREGATE APPROVED
BY THE ENGINEER.
B. INSTALL CONSTRUCTION ENTRANCES IN A WAY TO PREVENT VEHICLES
FROM RYPASSING CONSTRUCTION ENTRANCE LEAVING PROJECT SITE.
NOTE: PLACE GEOTEXTILE FOR DRAINAGE BENEATH STONE
ION ENTRANCE NTS
r
MIN.
i IU MIN-1
W2
I -NATURAL GRADE
o BAH
RIP RAP _
TH� I i
I=
=R
4",'5 WASHED STONE
A7LAYER OF FILTER FABRIC
NOTE: MINIMUM H"2.�3
PIPE DIAMETEH
SECTION B-B
NOTES
1. CLASS OR MEDIAN SIZE OF RIPRAP AND LENGTH, WiDTH AND DEPTH OF APRON
PER RIPPAP APRON DATA HLOCK SHOWN BELOW.
2. REFER TO THE N.C. EROSION CONTROL MANUAL FOR RIP RAP APRON DESIGN
STANDARDS.
3. RIFRAP SHOULD EY7'END UP BOTH SiLtES DF THE APRON AND AROUND THE END
OF THE PIPE OR CULYER7 AT THE DISCHARGE OUTLET AT A MA](iMUM SLOPEOF
2:1 AND A HEIGHT NOT LESS THAN TWO THIRDS THE PIPE DIAMETER OR
C ULVERT H E I GHT.
4. THERE SHALL BE NO OVERFLOW FROM THE EN ID OF THE APRON TO THE
SURFACE OF THE RECEIVING CHANNEL. THE AREA TO BE PAVED OR RIPRAPPED
SHALL SE UNDERCUT SO THAT THE INVERT OF THE APRON SHALL BE AT THE
SAME GRADE (FLUSH) WITH THE SURFACE OF THE RECEIVING CHANNEL. THE
APRON SHALL HAVE A CUTOFF OR TOE WALL AT THE DOWNSTREAM END.
5. THE WIDTH OF THE END OF THE APRON SHALL BE EQUAL TO THE BOTTOM
W IDTH OF THE RECEIVING CHANNEL. MAXIMUM TAPER TO RECEIVING CHANNEL 5:1
6, ALL 5U13GRADE FOR STRUCTURE TO BE COMPACTED TO 95-/, OR GREATER-
7. THE PLACING OF FILL, EITHER LOOSE OR COMPACTED IN THE RECEIVING
CHANNEL SHALL NOT BE ALLOWED.
B. NO BENDS OR CURVES IN THE HORIZONTAL ALIGNMENT OF THE APRON WILL
BE PERMITTED.
APRON
DESIGNATION
PIPE
DIAMETER
d50 RIPRAP
STONE SIZE
W1
L
W2
t
RECEIVING
OUTLET
Al
15"
6" Class—B
3.8'
10'
5.5'
13,5"
SHEET FLOW
RIPRAP APRON AT PIPE OUTLETS NTS
COIN FIBER WATTLE
OF PAVEMENT
' 91.f;La4�r
BACK
SLOPE
ISOMETRIC
VIEW
2`(MAX.) 2' UPSLOPE
STAKE NATURAL GROUND
MATTING \_2' DOWNSLOPE
STAKE
CROSS SECTION
VEE DITCH
2 IN. 2' UPSLOPE
STAKE NATURAL GROUND
MATTING �2' DOWNSLOPE
CROSS SECTION STAKE
TRAPEZOIDAL DITCH
C O I R FIBER WATTLE D ETA I L NTS
FLOW -
---
NOTES:
USE MINIMUM 12 IN. DIAMETER CGIR FIBER (COCONUT FIBER) WATTLE.
USE 2 IT. WOODEN STAKES WITH A 2 IN. BY 2 IN. NOUINAL
CROSS SECTION.
ONLY INSTALL WATTLE(S) TO A HEIOHr IN DITCH SO FLOW WILL NOT
WASH AROUND WATTLE A110 SMIR PITCH SLQPES AND AS DIRECTED.
IRSTALL A MINIMUM OF 2 UPSLOPE STAKES AND 4 DOWNSLOPE
STAKES AT AN ANGLE TO WEDGE WATTLE TD BOMILI OF DITCH,
PROVIDE STAPLE6 RADE OF 0,125 IN. DIAMETER STEEL WIRE
FORMED ItfTO A U SNAPE HOT LESS THAN 12" IN LENGTH,
INSTALL STAPLES APPROXIMATELY EVERY 1 LINEAR FOOT ON
BOTH SIDES OF WATTLE A110 AT EACH END TO SECURE IT TQ THE SOIL.
INSTALL MATTING IN ACCORDANCE WITH SECTION 1631 OF THE
STANDARD SPECIFICATIONS.
l
.r
�• STALES
INSET A INSET I3
TOP VIEW
THIS DOCUMENT, PRESENTED AS
AN INSTURMENT OF SERVICE, IS
INTENDED ONLY FOR THE
SPECIFIC PURPOSE AND CLIENT
FOR WHICH IT WAS PREPARED.
IT SHALL NOT TO BE
REPRODUCED OR COPIED iN
WHOLE OR IN PART, NOR USED
Olt ANY OTHER PROJECT
WITHOUT WRITTEN PERMISSION.
r
20165 -
�. �'., e'er
•�
!Z
Kevin E. Herring
ENGINEERING
16101 Silver Road
0akboro, NC28129
980-621-0935
k e yin Qa ke vil r h stun, g e ngin a eying. c om
DATE: 12/15/2021
NORIZ. SCALE = N/A
VERT. SCALE = N/A
DRAWN BY: keh
cn
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