SW6220902_Plansheet - Misc. Detail_20221102 (2)

CHANNEL INSTALLATION
[-12"
F
t
-�i--1 6"
TRM INSTALLATION
8.00' [2.44M] •
J J )
12"
4.00'[1.22M]
PIPE OUTLET TO FLAT AREA-
NO WELL-DEFINED CHANNEL
W /
�% �{/i % % ' T g'
6"
•
0.7 STAPLES PER SQ. YD.
0.8 STAPLES PER SQM)
.
00 O
♦ • ++
I
\ I I� l ^ ^ '. ,� l r-^ ) . • . • . -
2� D )i ,____ n• _ _i �- ® O
T-
1.50' [0.46M]A 2.00'[0.61M]A 4.00'[L22M] • 3.00'[0.91M] •
2.00' [0.61 M]
��4"
.
r
4.00'[1.22M]
4.06' [, 22M]
PLAN
D
=1 =
\\. II I ]-
O
� 11
`
- - - - -
•
1.3 STAPLES PER SQ. YD. 1.7 STAPLES PER SQ. YD.
1.5 STAPLES PER SQ. M
( ) (2.0 STAPLES PER SQ. M)
1 1-III-III-III � I=I 11=111=IF
' 1-1 1-1 11-1 D/.`
. •
3A
=J11JJ=1Ll=
1 L
_6�
6" \\\`�
O
1.50' [o.46M] 1.50' [0A6M]
3.00' [0,91 M] • 3.00' [0.91 M] • •
FILTER LAYER
�� v `
• •
GRAVEL OR FABRIC
�_
` + • + • • + •
a ..........:...._'.x
O
2.00' [0.61 M]
• •
SECTION A -A
® ®
• 4.00'[1.22M] 1.00' [0.30M]
•
2.00' [0.61 M]
..
1. PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED.
4.00'[1.22M]
• •
NOTE: WHEN USING CELL-O-SEED DO NOT SEED PREPARED AREA. CELL-O-SEED MUST BE INSTALLED WITH PAPER SIDE DOWN.
• • •
2. BEGIN AT THE TOP OF THE CHANNEL BY ANCHORING THE BLANKET IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH WITH
APPROXIMATELY 12" (30 CM) OF BLANKET EXTENDED BEYOND THE UP -SLOPE PORTION OF THE TRENCH. ANCHOR THE BLANKET
3.4 STAPLES PER SQ. YD. 3.6 STAPLES PER SQ. YD.
(4.1 STAPLES PER SQ. M) (4.3 STAPLES PER SQ. M) NTS
WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30 CM) APART IN THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT
THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" (30 CM) PORTION OF BLANKET BACK
OVER SEED AND COMPACTED SOIL. SECURE BLANKET OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED
4 STAPLE PATTERN FOR 4' ROLLS
APPROXIMATELY 12" (30 CM) ACROSS THE WIDTH OF THE BLANKET.
NOTES
3. ROLL CENTER BLANKET IN DIRECTION OF WATER FLOW IN BOTTOM OF CHANNEL. BLANKETS WILL UNROLL WITH APPROPRIATE SIDE
1 LENGTH OF THE RIPRAP
AGAINST THE SOIL SURFACE. ALL BLANKETS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN
APRONTHE
APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. WHEN USING THE DOT SYSTEM STAPLES/STAKES SHOULD BE
PLACED THROUGH EACH OF THE COLORED DOTS CORRESPONDING TO THE APPROPRIATE STAPLE PATTERN.
1. PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED.
NOTE: WHEN USING CELL-O-SEED DO NOT SEED PREPARED AREA. CELL-O-SEED MUST BE INSTALLED WITH PAPER SIDE DOWN.
�
2. D = 1.5 TIMES THE MAXIMUM
PIPE OUTLET STONE DIAMETER BUT NOT LESS
2. BEGIN AT THE TOP OF THE SLOPE BY ANCHORING THE BLANKET IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH
4.00' [1.22M]
WELL-DEFINED CHANNEL
O THAN s".
4. PLACE CONSECUTIVE BLANKETS END OVER END (SHINGLE STYLE) WITH A 4" - 6" (10 CM -15 CM) OVERLAP. USE A DOUBLE
WITH APPROXIMATELY 12" (30cm) OF BLANKET EXTENDED BEYOND THE UP -SLOPE PORTION OF THE TRENCH. ANCHOR THE
BLANKET WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30 CM) APART IN THE BOTTOM OF THE TRENCH.
8.00' [2aaM] • •
A 0 A 3. IN A WELL-DEFINED CHANNEL EXTEND
ROW OF STAPLES STAGGERED 4" (10 CM) APART AND 4" (10 CM) ON CENTER TO SECURE BLANKETS.
BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12 (30 CM)
2.00'[0.61M]
THE APRON UP THE CHANNEL
BANKS TO AN ELEVATION OF 6"
5. FULL LENGTH EDGE OF BLANKETS AT TOP OF SIDE SLOPES MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES
PORTION OF BLANKET BACK OVER SEED AND COMPACTED SOIL. SECURE BLANKET OVER COMPACTED SOIL WITH A ROW OFABOVE
•
THE
DEPTH OR TO THE MAXIMUM
I FATHE BANK,
APPROXIMATELY 12TER" (30 CM) APART IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH
STAPLES/STAKES SPACED APPROXIMATELY 12" (30 CM) APART ACROSS THE WIDTH OF THE BLANKET.
4.00' [1.22M]
WHICHEVER IS LESS.
AFTER STAPLING.
3. ROLL THE BLANKETS (A.) DOWN OR (B.) HORIZONTALLY ACROSS THE SLOPE. BLANKETS WILL UNROLL WITH APPROPRIATE SIDE
• •
4.
INSTALLED BETWEEN THE RIPRAP
6. ADJACENT BLANKETS MUST BE OVERLAPPED APPROXIMATELY 2" - 5" (5 CM -12.5 CM) (DEPENDING ON BLANKET TYPE) AND
AGAINST THE SOIL SURFACE. ALL BLANKETS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES
TN
IN APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. WHEN USING THE DOT SYSTEM STAPLES/STAKES
0.7 STAPLES PER SQ. YD.
(0.8 STAPLES PER SQ. M)
o AND SOIL FOUNDATION.
STAPLED.
SHOULD BE PLACED THROUGH EACH OF THE COLORED DOTS CORRESPONDING TO THE APPROPRIATE STAPLE PATTERN.
4. THE EDGES OF PARALLEL BLANKETS MUST BE STAPLED WITH APPROXIMATELY 2" - 5" (5 CM - 12.5 CM) OVERLAP DEPENDING
PLAN
7. IN HIGH FLOW CHANNEL APPLICATIONS, A STAPLE CHECK SLOT IS RECOMMENDED AT 30 TO 40 FOOT (9 M - 12 M) INTERVALS.
ON BLANKET TYPE.
GRAVEL OR FABRIC
USE A DOUBLE ROW OF STAPLES STAGGERED 4" (10 CM) APART AND 4" (10 CM) ON CENTER OVER ENTIRE WIDTH OF THE
so'[o.asM]
CHANNEL.
5. CONSECUTIVE BLANKETS SPLICED DOWN THE SLOPE MUST BE PLACED END OVER END (SHINGLE STYLE) WITH AN APPROXIMATE
2.00'[0.61 M] 3.00'[0.91 M] • •
L
8. THE TERMINAL END OF THE BLANKETS MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30 CM)
APART IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING.
NOTE: * IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6" (15 CM) MAY BE NECESSARY TO
3" (7.5 CM) OVERLAP. STAPLE THROUGH OVERLAPPED AREA, APPROXIMATELY 12" (30 CM) APART ACROSS ENTIRE
BLANKET WIDTH.
NOTE:
*IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6" (15 CM) MAY BE NECESSARY TO
•
• 2.00' [0.61 M]
� • •
2.00' [0.61 M]
• • •
• • 4.00'[1.22M]
PROPERLY ANCHOR THE BLANKETS.
PROPERLY SECURE THE BLANKETS.
•
4.00'[1.22M] •
-III=III-I 11=III=III=III=
• •
:I�1=1�I=1I1 I�I�I�II�I�� D
-III-II
=1
A NOTE:
BC CRITICAL POINTS HORIZONTAL STAPLE SPACING SHOULD BE ALTERED
1.3 STAPLES PER SQ. YD 1.7 STAPLES PER SO. YD.
1 I I I=1 I I=1 I -I 11=
-III-III =
IF NECESSARY TO ALLOW STAPLES TO SECURE THE
A. OVERLAPS AND SEAMS
(1.5 STAPLES PER SQ. M) (2.0 STAPLES PER SO. M)
II 1= FILTER LAYER
CRITICAL POINTS ALONG THE CHANNEL SURFACE.
III -III -III -III- GRAVEL OR FABRIC
B. PROJECTED WATER LINE
-III-III-I
SECTION A -A
C. CHANNEL BOTTOM/SIDE ** IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE
MAINTENANCE
SLOPE VERTICES OR STAKE LENGTHS GREATER THAN 6" (15 cm) MAY
MAINTENANCE:
BE NECESSARY TO PROPERLY ANCHOR THE BLANKETS.
1.50' [0.46M] 1.50' [0.46M]
INSPECT RIPRAP OUTLET STRUCTURES WEEKLY
AND AFTER SIGNIFICANT 0 INCH OR GREATER)
1. INSPECT THE EROSION CONTROL BLANKET ONCE A WEEK AND AFTER EVERY RAINFALL.
3.00'[0.91MI • • • 3.00'[0.91MI • • • •
• • • • • •
RAINFALL EVENTS TO SEE IF ANY EROSION
2. IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED BLANKET.
2.00' [0.61 MI
• • • • • • •
AROUND OR BELOW THE RIPRAP HAS TAKEN
MAINTENANCE:
3. IF GROUND COVER IS NOT ESTABLISHED THROUGH THE BLANKET WITHIN 2 WEEKS, THE BLANKET
4.00' [1.22M] 1.00' [0.30M]
PLACE, OR IF STONES HAVE BEEN DISLODGED.
IMMEDIATELY MAKE ALL NEEDED REPAIRS TO
SHOULD BE REMOVED AND THE AREA RESEEDED. AFTER RESEEDING, THE BLANKET SHOULD BE
• • • • • •
• • • • • • 2.00' [0.61 MI
PREVENT FURTHER DAMAGE.
1. INSPECT THE EROSION CONTROL BLANKET ONCE A WEEK AND AFTER EVERY RAINFALL.
REINSTALLED.
�( 00' [0.30M]
2. IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED BLANKET.
• • • • • •
3. IF GROUND COVER IS NOT ESTABLISHED THROUGH THE BLANKET WITHIN 2 WEEKS, THE BLANKET
• • • • • • •
NTS
SHOULD BE REMOVED AND THE AREA RESEEDED. AFTER RESEEDING, THE BLANKET SHOULD BE NTS
REINSTALLED.
NTS
• • • • • • NTS
3.4 STAPLES PER SQ. YD. 3.6 STAPLES PER SQ. YD.
(4.1 STAPLES PER SQ. M) (4.3 STAPLES PER SQ. M)
1 TYPICAL RIP RAP APRON
2 EROSION CONTROL BLANKET INSTALLATION
3 EROSION CONTROL BLANKET INSTALLATION
5 STAPLE PATTERN FOR 8' ROLLS
PLAN VIEW
PVC VENT PIPE
INLET
5' MIN. NOTES:
-I
1.5'
1. USE FOR DRAINAGE AREAS NOT
1' THICK #57 FILTER STONE EXCEEDING 5 (FIVE) ACRES.
\
•
3600 CU. FT/ACRE 2. EARTH BERM SHALL BE STABILIZED W/
^ 2 SEEDING ACCORDING TO SPECIFICATIONS.
NATURAL GROUND
MAX. SLOPE (TYP)
3.FILTER STONE TO BE A DEPTH OF
1 FOOT ON THE DAM SIDE
INFLOW�
STRUCTURE a
®" �Q�p,�
�\ /\\
-\x \�\,<�����xl\ .......
,
IN. 2.5 2.5
1
`dv -5
( G-j.
FLEXIBLE HOSE
FILTER FABRIC
CROSS SECTION OVERFILL 6" FOR
SETTLEMENT
EMERGENCY
NATURAL GROUND z
2.5
21" MIN BY-PASS
6" BELOW
SKIMMER
`�\ SETTLED TOP
--- DEWATERING
DEVICE EMERGENCY
ON STONE SPILLWAY
OF DAM
4' MIN.
BEDDING
MIN 8"
SC H 40 PVC **SKIMMER CAN BE PURCHASED FROM J.W. FAIRCLOTH & SON INC.
PIPE SKIMMER CHOSEN SHALL BE EQUAL TO THE FAIRCLOTH SKIMMER.
1.5'
S
COMPACTED SOIL
*** WHEN A GRAVEL DIVERSION BERM IS REQUIRED, THE HEIGHT
MAINTENANCE
2:1 SIDE SLOPE MAX
SHALL BE REDUCED TO 12 INCHES AND THE TOP WIDTH TO 6",
FILTER FABRIC - EXIST. GRADE
ALL OTHER REQUIREMENTS SHALL REMAIN THE SAME.
BAFFLES EMBANKMENT
INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AN AFTER EACH SIGNIFICANT (0.5 INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE
1:1 SIDE SLOPE MAX
TEMPORARY DIVERSION KEY NOTES:
INFLOW 1' FREEBOARD /
STRUCTURE
SEDIMENT AND RESTORE BASIN TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO 1/2 HEIGHT OF THE 1ST BAFFLE. PULL THE SKIMMER TO ONE SIDE
BAFFLES
FE�(
SUCH THAT THE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE BASIN. MAKE SURE THE VEGETATION GROWING IN THE
BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER.
CLASS B RIP RAP
3' MIN.
1. CLEAR THE ARE UNDER THE BERM AND STRIP THE ROOTS/OTHER ORGANICS.
2. COMPACT THE SIDE SLOPES, PREFERABLY WITH A TRACKED VEHICLE TO SLOW RUNOFF VELOCITIES.
3. VEGITATE THE RIDGE OF THE BERM IMMEDIATELY AFTER CONSTRUCTION UNLESS THE BERM WILL REMAIN IN PLACE
6" MIN. INVE T ELEVATION OF
REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE BAFFLES IF WATER IS FLOWING UNDERNEATH OR AROUND THEM.
MAINTENANCE STONE SECTION
DESIGN OF SPILLWAYS
FOR LESS THAN 30 DAYS.
DEWATERING EMERGENCY SPILLWAY
ZONE in EMERGENCY
IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN, USUALLY JERKING THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND
INSPECT TEMPORARY SEDIMENT TRAPS AFTER EACH PERIOD OF SIGNIFICANT RAINFALL. REMOVE SEDIMENT AND DRAINAGE AREA WEIR LENGTH
SPILLWAY
DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE SKIMMER OVER TO THE SIDE OF THE BASIN AND REMOVED THE DEBRIS. CHECK
RESTORE TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE (ACRES) (FT.)
FILTER FABRIC STONE BEDDING
THE ORIFICE INSIDE THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO, REMOVE THE DEBRIS.
DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN A DESIGNATED DISPOSAL AREA AND
REPLACE THE CONTAMINATED PART OF GRAVEL FACING. 1 4.0
2 6.0
MAINTENANCE:
SEDIMENT
IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION CLEARED WITH A PLUMBER'S SNAKE OR BY FLUSHING
CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OF PIPING. PERIODICALLY CHECK THE DEPTH OF THE 3 8.0
STORAGE ZONE
WITH WATER. BE SURE AND REPLACE THE ORIFICE BEFORE REPOSITIONING THE SKIMMER.
SPILLWAY TO ENSURE IT IS A MINIMUM OF 1.5 FT. BELOW THE LOW POINT OF THE EMBANKMENT. IMMEDIATELY 5 12.p
INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL. IMMEDIATELY REMOVE
CROSS-SECTION VIEW
CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY. CHECK
FILL ANY SETTLEMENT OF THE EMBANKMENT TO SLIGHTLY ABOVE DESIGN GRADE. ANY RIP RAP DISPLACED
FROM THE SPILLWAY MUST BE REPLACED IMMEDIATELY. DIMENSIONS SHOWN ARE MINIMUM
SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFULLY CHECK OUTLETS
AND MAKE TIMELY REPAIRS AS NEEDED.
CONSTRUCTION SPECIFICATIONS
EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE AND INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS.
STABILIZE THE EMBANKMENT AND ALL DISTURBED AREAS ABOVE THE SEDIMENT POOL AND DOWNSTREAM FROM
1. CLEAR, GRUB & STRIP TOPSOIL FROM AREAS UNDER THE EMBANKMENT TO
REMOVE TREES, VEGETATION, ROOTS AND OTHER OBJECTIONABLE MATERIAL.
NTS
THE TRAP IMMEDIATELY AFTER CONSTRUCTION WITH SEEDING. NTS
NTS
PLACE TEMPORARY SEDIMENT CONTROLS BELOW THE BASIN AS NEEDED.
2. ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, INLET
RORECTIONABLELEMENT MATERIAL.
WOOD ILL THE
PLACE THE FILL IN LIFTS NOT TO EXCEED 9 INCHES AND MACHINE COMPACT IT. PVC VENT PIPE
IMBANKMENIC MATTER TO ALLOW
OVER FILL THE EMBANKMENT 6 INCHES TO ALLOW FOR SETTLEMENT.
c
6 FAIRCLOTH SKIMMER
7 TEMPORARY SEDIMENT TRAP
8 TEMPORARY DIVERSION BERM
3. SHAPE THE BASIN TO THE SPECIFIED DIMENSIONS. PREVENT THE SKIMMING
DEVICE FROM SETTLING INTO THE MUD BY EXCAVATING A SHALLOW PIT UNDER
Q'
THE SKIMMER OR PROVIDING A LOW SUPPORT UNDER THE SKIMMER OF STONE
OR TIMBER.
4. PLACE THE BARREL ON A FIRM, SMOOTH FOUNDATION OF IMPERVIOUS SOIL.
PLACE THE FILL MATERIAL AROUND THE PIPE SPILLWAY IN 4 INCH LAYERS ANDCOMPACT
L = THE DISTANCE SUCH THAT POINTS
A AND BARE OF EQUAL ELEVATION
IT UNDER AND PD LACE ATHEPMINIMUM OF 2 FEET OF COMPACTED TO AT LEAST THE SAME DENSITYAS DO�Ooo
ADJACENT EMBANKMENT. ' 1
CURB AND GUTTER TO BE POURED
JOINTS EVER/ 50' IXPANSION
IN io' SECTIONS wrrHTHE
(90' IF MACHINE PLACED) R
BACKFILL OVER THE PIPE SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION
EQUIPMENT. FLEXIBLE HOSE
5. ASSEMBLE THE SKIMMER FOLLOWING THE MANUFACTURER'S INSTRUCTIONS.
6. LAY THE ASSEMBLED SKIMMER ON THE BOTTOM OF THE BASIN WITH THE
- A E L b.
_
I - III-III-III-III-III=STORAGE AREA SEDIMENT
- - _ _
I I I -III -I I I_ STO _ _ _ _-�
-III -III-III-III=III,-I I I I I I I I I I I I I
11
' (M a �
ry 11,FLEXIBLE
JOINT AT THE INLET OF THE BARREL PIPE. ATTACHED THE FLEXIBLE
I I I I I I 1-III-III-III III III
I I
N 3000 PSI
JOINT TO THE BARREL PIPE AND POSITION THE SKIMMER OVER THE EXCAVATED
I I I I I I I IIII I I I III_ III -III -III -I I
CONCRETE
_III _ _ _
'-III-III-1
PIT. ATTACH A ROPE TO THE SKIMMER AND ANCHOR IT TO THE SIDE OF THE
BASIN. SCH 40 PYC "SKIMMER CAN BE PURCHASED FROM J.W. FAIRCLOTH & SON INC.
PIPE SKIMMER CHOSEN SHALL BE EQUAL TO THE FAIRCLOTH SKIMMER.
7. INSTALL THE SPILLWAY IN UNDISTURBED SOIL TO THE GREATEST EXTEND
POSSIBLE. THE SPILLWAY SHOULD BE LINED WITH LAMINATED PLASTIC OR SKIMMER
I I-1 I I
CENTER OF THE DAM IS
TO BE 9" LOWER THAN
THE EDGES (MIN) A 1.5'
TO FORM A WEIR
11 7 e
E ML' Paar N aRyp ��9_ 3SR
'
IMPERMEABLE GEOTEXTILE FABRIC. THE FABRIC MUST BE WIDE AND LONG
ENOUGH TO COVER THE BOTTOM AND SIDES AND EXTEND ONTO THE TOP OF
MIN.
\
1 1 28'
2' CONCRETE CURB
THE DAM FOR ANCHORING IN A TRENCH. THE EDGES MAY BE SECURED WITH 8
INCH STAPLES. THE FABRIC MUST BE LONG ENOUGH TO EXTEND DOWN THE
_
9" MIN.
SLOPE AND EXIT ONTO STABLE GROUND. THE WIDTH OF THE FABRIC MUST BE
ONE PIECE. IF MULTIPLE SECTIONS AREA REQUIRED, THE UPPER SECTION
50'
SHOULD OVERLAP THE LOWER SECTION SO THAT WATER CANNOT FLOW UNDER
, CENTER OF THE DAM IS
R/W
THE FABRIC. MAINTENANCE
TO BE 9" LOWER THAN
8. DISCHARGE WATER INTO THE BASIN TO PREVENT EROSION. USE TEMPORARY INSPECT SKIMMER SEDIMENT BASINS WEEKLY AND AFTER EACH PERIOD OF
FILTER FABRIC THE EDGES (MIN)
TO FORM A WEIR
SLOPE DRAINS OR DIVERSIONS WITH OUTLET PROTECTION TO DIVERT SEDIMENT SIGNIFICANT RAINFALL. REMOVE SEDIMENT AND RESTORE TRAP TO ITS ORIGINAL
LADEN WATER TO THE UPPER END OF THE POOL AREA TO IMPROVE BASIN TRAP DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE HEIGHT
EFFICIENCY. OF THE FIRST BAFFLE. EXCAVATE SEDIMENT FROM THE ENTIRE BASIN. MAKE SURE
CLASS A OR B EROSION
, R W
VEGETATION GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE
CHANNEL OR DITCH CONTROL STONE
46 2 1 1
APPLICATION A "D.
9. CONSTRUCT THE STRUCTURE SO THAT THE DISTURBED AREA IS MINIMIZED. SKIMMER. PLACE THE SEDIMENT THAT IS REMOVED IN AN AREA WITH SEDIMENT
DIVERT SURFACE WATER AWAY FROM BARE AREAS. COMPLETE THE CONTROLS.
6k 24" MAX.
% AT CENTER
EMBANKMENT BEFORE THE AREA IS CLEARED.
REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE BAFFLES IF WATER
10. INSTALL POROUS BAFFLES AS SPECIFIED. IS FLOWING UNDERNEATH OR AROUND THEM.
MAINTENANCE
n Ww&
1.5%
11. AFTER ALL SEDIMENT PRODUCING AREAS HAVE BEEN STABILIZED, REMOVE UNCLOGGED THE SKIMMER AS NEEDED. CHECK TO MAKE SURE ORIFICE INSIDE OF
1. INSPECT THE CHECK DAMS AFTER EACH RAINFALL BUT IN NO
THE STRUCTURE AND ALL THE UNSTABLE SEDIMENT. SMOOTH THE AREA TO THE SKIMMER IS NOT CLOGGED; IF SO, REMOVE THE DEBRIS. IF SKIMMER ARM OR
BLEND WITH THE ADJOINING AREAS AND STABILIZE PROPERLY. BARREL IS CLOGGED, REMOVE THE ORIFICE AND CLEAR THE DEBRIS.
FILTER FABRIC
CASE LESS THAN ONCE PER WEEK
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE
CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRED
REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY. CHECK
ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN. TAKE CARE SECTION A -A
THE EMBANKMENT, SPILLWAYS AND OUTLET FOR EROSION DAMAGE. MAKE ALL
TO AVOID UNDERMINING THE DAM DURING CLEANOUT.
SECTION AA
NECESSARY REPAIRS IMMEDIATELY. REMOVE TRASH AND DEBRIS FROM THE
3. CLEAN OR REPLACE THE STONE WHEN IT SHOWS SIGNS OF
SKIMMER AND POOL AREAS.
CLOGGING OR OTHERWISE DOES NOT PERFORM CORRECTLY
EXTEND STONE BASE
NTS
4. WEIR SECTION MUST BE 9" LOWER THAN ABUTMENTS NTS
5. DOWNSTREAM APRON LENGTH SHOULD BE 3 TIMES THE
1' BEYOND BACK OF NTS
CURB
HEIGHT OF THE WEIR.
9 TEMPORARY SKIMMER BASIN
10 CHECK DAM WITH WEIR
11 SYM. CUL-DE-SAC WITH CONCRETE CURB
4Dsite
solutions
civil engineering I Land surveying
409 Chicago Drive, Suite.U2, Fayetteville, NC 28306
office 1910-426-6777 fax [phone] license number I C-2354
www.4Dsitesotutions.com
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2 : pFSS ��p• •2
SEA
02 _
•• G I NE •':/j�a���
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REVISIONS
PROJECT NAME
WOOD LAKE II
PHASE II
SUBDIVISION
EROSION
CONTROL & SITE
DETAILS
CLIENT
RAEFORD
DEVELOPMENT
COMPANY, LLC
645 Laurinburg Highway
Raeford, North Carolina 28376
Phone: [phone]
PROJECT INFORMATION
DESIGNED BY:
CHRIS
DRAWN BY:
BRETT
CHECKED BY:
SCOTT
PROJECT NUMBER:
1632
DRAWING SCALE
NOT TO SCALE
DATE RELEASED
APRIL 5, 2022
SHEET NUMBER
C-6n 1