SW4231202_Plansheet - SCM Detail_20240311 (6)

12"(30cm)
CHANNEL .
4"(10cm) INSTALLATION l
_ DETAIL ._
(15cm) _ _ \�\ �111 (15cm) 4"(lOCm) 1 . Prepare soil before installing rolled
erosion control products (RECPs), ;y -
including any necessary application of •.� �'� ■ ■
lime, fertilizer, and seed. ,,. u
0 2. Begin at the top of the channel by
anchoring the RECPs in a 6"(15cm)
611 deep X 6 (15cm) wide trench with
(15cm) approximately 12"(30cm) of RECPs
2"-5" extended beyond the up-slope portion I ' '
of the trench. Use ShoreMax mat at the " f
(5-12.5cm) channel/culvert outlet as supplemental
scour protection as needed. Anchor the TEMPORARY TEMPORARY
\\\W W W RECPs with a row of staples/stakesSlope Channel
4"-6" W W W W W \\ W W W W W W W approximately 12"(30cm) apart in the Product
"Description Typical Slope Channel ' " Longevity Applications Application
10-15cm W W `\, , � �\\ W W W WW = bottom of the trench. Backfill andThresholds Description Thresholds
( ) W W WW W , 0 \ W W W compact the trench after stapling. Apply Accelerated Woven
seed to the compacted soil and fold the photodegradable, biodegradable
=__ �� v polypropylene top 45 days 4:1-3:1 1.55 psf/5.0 fps jute top and 36 mo. 1:1 and Greater 2.35 psf/10.0
e- \ W W © remaining 12 (30cm) portion of RECPs net,100%straw bottom net,100% fps
fiber matrix coconut fiber
back over the seed and compacted soil. os/5 C125BN matrix
W W W Secure RECPs over compacted soil Accelerated
hotode radable, 700 g woven
W W W with a row of staples/stakes les/stakes spaced p g biodegradable
W ? \ p p x. polypropylene g
�� 60 days 3:1-2:1 1.75 psf/6.0 fps coirtop net,
approximately 12 apart across the top r=bottom net, 2.35 psf/10.0
�- coconut fiber 36+mo. 1:1 and Greater
W W W W width of the RECPs. 100%straw fiber fps
matrix,woven DS150 matrix biodegrdablejute
3. Roll center RECPs in direction of water C70OBN bottom net
WW flow in bottom of channel. RECPs will Photodegradable, PERMANENT
^^^r- \\� W W W W unroll with appropriate side against the polypropylene top 12 months 4:1-3:1 1.sSpsf/S.Ofps
net,l00%straw ERONET
soil surface. All RECPs must be fiber matrix
securely fastened to soil surface by s75
\\ W Ail UV-stable Unvegetated
placing staples/stakes in appropriate Photodegradable, polypropylene 3.0 psf/9.0 fps
_ locations as shown in the staple pattern polypropylene (PP)top and Permanent 1:1
top bottom net, 12 months 3:1-2:1 1.75 psf
p p bottom net,100% Vegetated
/6.0 fps pp fiber matrix 10 psf/16.0 fps
guide. 100%strawfiber
P300
_ 4. Place consecutive RECPs end-over-end matrix
' -_III-- III-_ � s,5o
6„ II =III =III- �I (Shingle style) with a 4"-6" overlap. Use UV-stable vMAx
a double row of staples staggered 4" polypropylene
(15cm) = = // / p gg lb- top net,70/° UV-stable PP top
III=// / apart and 4" on center to secure straw/30% &bottom nets, Unvegetated
RECPs. coconut 24 months 2:1-1:1 2.0 psf/8.0 fps UV stable PP 2.3 psf/8.5 fps
fiber matrix, crimped center Permanent 1:1 and Greater
Vegetated
hotode radable net,® 5. Full length edge of RECPs at top of side p g 8 psf/18fps
polypropylene fiber matrix
slopes must be anchored with a row of SC150 bottom net S200
staples/stakes approximately 12"(30cm) UV-stable PP
„ „ UV stable top&bottom
apart in a 6 (15cm) deep X 6 (15cm) polypropylene top nets,UV-stable Unvegetated
2.25 psf/10.0
&bottom nets, 36 months 1:1 and Greater PP crim ed 3.0 psf/9.5 fps
CRITICAL POINTS wide trench. Backfill and compact the 100%coconut fps p ° Permanent 1:1andGreater
NOTES: fiber matrix center net,70/o g
trench after stapling. straw/30/o Vegetated
A. Overlaps and Seams * p g C125 coconut fiber 10psf/15.Ofps
p Horizontal staple spacing should be 6. Adjacent RECPs must be overlapped SC25o matrix
B. Projected Water Line altered if necessary to allow staples to approximately 2"-5" (5-12.5cm) BIONET
UV-stable PP
C. Channel Bottom/Side Slope Vertices secure the critical points along the channel (Depending on RECPs type) and Leno woven top&bottom Unvegetated
stapled. nets,UV-stable 3.2 sf 10.Sf s
biodegradable P / P
A su rface. p jute top net, 12 months 4:1-3:1 1.6 psf/5.0 fps PP crimped Permanent 1:1 and Greater
7. In high flow channel applications a 100%straw fiber center net,100% Vegetated
matrix coconut fiber 12 psf/20 fps
B C
C **In loose soil conditions, the use of staple to 40 foot (9 -12m) intervals. Use a
or stake lengths greater than 6"(15cm) may double row of staples staggered Woven UV-stable PP top
p gg biodegradable Er bottom nets, Unvegetated
be necessary to properly secure the 4"(10cm) apart and 4"(1 Ocm) on center jute top and 12 months 3:1 2:1 1.85 psf/6.0 fps UV-stable PP 4.0 psf/12.5 fps
RECPs. over entire width of the channel. bottom net,,00°'° crimped center Permanent 1:1 and Greater
Drawing Not To Scale straw fiber matrix net,100%PP fiber Vegetated
g 8. The terminal end of the RECPs must be s,SOBN matrix 14psf/25fps
P550
anchored with a row of staples/stakes Woven
biodegradable Vegetated
NORTH Disclaimer: approximately 12" (30cm) apart in a 100/°UV-stable
jute top and °
6"(15cm) deep X 6"(15cm) wide trench. TMax:16 psf
/
AMERICAN The information presented herein is general design information only. For specific applications 70ttomnet, 18months 2:1 1:1 2.10psf/8.Ofps PIP� 70%straw/30% Permanent 1:1 and Greater 25 fps
Backfill and compact the trench after coconut fiber a3-D woven
GREENS consult an independent professional for further design guidance. a3 DstruEture TMax20fp2psf/
Stapling. SC150BN matrix TMAX31< 20 fps 3
5401 St. Wendel - Cynthiana Rd. PH: 800-722-2040
Poseyville, IN 47633 www.nagreen.com Drawn on: 5-4-17
32'
733.00
Ln
100-YR ELEVATION = 731.93 �� OXI 17
c�
DEPTH = 0.43' DEPTH = 0.13'
TOP OF TURF: 731 .50
20' WEIR SECTION 20 PROJECT TITLE:
GRASS LINED EMERGENCY SPILLWAY EXIT SECTION THE TOWNES AT BERMUDA RUN
W/ NORTH AMERICAN GREEN P550 GRASS LINED EMERGENCY SPILLWAY PHASE I
TURF REINFORCEMENT MATTING C DAVIE COUNTY FARMINGTON TOWNSHIP
4: 1 SIDE SLOPES DISCHARGE = 18.6 2 C W/ NORTH AMERICAN GREEN P550 BERMUDA RUN,NORTH CAROLINA
(OR APPROVED EQUAL) TURF REINFORCEMENT MATTING OWNER/DEVELOPER:
LC
BOTTOM WIDTH = 20' 4: 1 SIDE SLOPES (OR APPROVED EQUAL) 249DE REALTY, Y
249 DEARDOM WAY
FLOW DEPTH = 0. 4 3' 3 3. 3 3% S L O P E CHAPEL HILL, NC 27516
336-707-9799
DISCHARGE = 18.62 CFS BOTTOM WIDTH = 20' CARo•.
+� �a]C71s ��� FESSj
VELOCITY OVER WEIR LIP = 1 .99 FT/SEC n = 0. 030 + ngineering, Inc • sA ••
FREEBOARD AND SETTLEMENT= 1 . 07' DEPTH = 0. 13' l Engineers S-Surveyors
�s Planners* 1, 035014
•CZ 3-i 1-24- ♦sh1
4609 Dunndaa Drive Gsrc°°nnab-,NC 27407
TOP OF DAM ELEVATION = 733. 00 VELOCITY= 6. 98 FT/SEC Ph-e 336-854.8877 1-336-854.8876 .•���,N�INFIRM LICENSE#C,0168
S
PROJECT: 763-30 DESIGN BY: OF DRAWN BY: OF ••'� �woo•
H:\CM1 30 3019 P,,1,,fs\Paul ui1e \8,r d,Run\0r ings\PMasa 1\9erm Run Co f,,R Plans 3.0-W,f,,,h,d 4.0-
SHEET DESCRIPTION:
WET DETENTION
EMERGENCY SPLLWAY CONTROL SECT ON EMERGENCY SPLLWAY EMT SECT ON POND #2DETAIL
SCALE: N/A DATE: NOVEMBER 17, 2023
REVISIONS SHEET NO.:
N TS N TS
3-11-24
C6.4