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VICINITY MAP
NO SCALE
GENERAL NOTES:
1. BOUNDARY SURVEY INFORMATION PROVIDED BY SCHAMBACK SURVEYING.
2. CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION OF
ALL EXISTING UTILITIES (SHOWN OR NOT SHOWN ON PLANS) PRIOR TO ANY
GRADING ACTIVITIES. ANY CONFLICTS SHALL BE BROUGHT TO THE
ATTENTION OF THE ENGINEER.
3. ALL EROSION CONTROL MEASURES MUST BE MAINTAINED UNTIL ALL
DISTURBED AREAS HAVE BEEN PERMANENTLY STABILIZED. ADDITIONAL
MEASURES MAY BE REQUIRED AS SITE CONDITIONS WARRANT.
4. SEE SHEET EC-2 FOR EROSION CONTROL SPECIFICATIONS AND SHEET EC-3
FOR EROSION CONTROL DETAILS.
5. OFF -SITE FILL MATERIAL OTHER THAN LCID APPROVED DEBRIS SHALL
COME FROM AN APPROVED SITE WITH A VALID PERMIT.
__y __? __> I
DIVERSION SWALE/BERM
PER DETAIL 6.20.
-SF SF-
TEMPORARY SEDIMENT FENCING
PER DETAIL 6.62.
-SFF-
TEMPORARY ROCK WEIR OUTLET
PER DETAIL 00.00.
STABILIZED CONSTRUCTION ENTRANCE
PER DETAIL 6.06.
EXISTING CONTOURS
PROPOSED CONTOURS
Lc
LIMITS OF CONSTRUCTION (TYPICAL)
DA
DRAINAGE AREA
I
PROPOSED SKIMMER PER DETAIL 6.64
POROUS BAFFLES PER DETAIL 6.65
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REVISIONS
BY
REV. PER LOAM FROM
IREDELL CO R. MOORE
DMD
(4/16/19)
Date: 3/12/19
Scale: 1''=50 FT
CONTOURS
Drawn: DMD
Checked: DLM
Project: 2019-03-03-EC
,lob: 2019-03-03-EC
Sheet
EC-1
AA4/16/19
of 2 Sheets

NARRATIVE:
Bradley Mills is proposing to use a portion of the proposed site for an LCID (Land Clearing & Inert Debris) Landfill and a portion of the
proposed site for sawmill. The current site is vacant with no structures. The current vegetation on the site consists of wooded area as
well as kudzu ground cover in the rilled/gullied areas. The purpose of the site will be used to fill the low areas with offsite material. This
site is located in southeastern Iredell County past Sample Road off Highway 3 (Coddle Creek Highway) in Mooresville, Iredell County
North Carolina. The scope of work will involve installation of a clean water diversion on the upslope portion of the site to minimize the
amount of surface water runoff from upland properties as well as divert storm water from upper side of new driveway. Once the clean
p p p pp Y
water diversion Swale is in place and stabilized, Owner shall install other erosion control measures including diversion swales/berms,
sediment fencing with rock weir outlets at low fencing points and every 100 feet otherwise. A skimmer sediment basin shall protect the
lowest point on site adjacent to the stream buffer. Within the skimmer basin, contractor shall install 3 rows of porous baffles. The limits
of construction shall be as shown on plans. Total disturbed area at this time is estimated to be no more than 6.00 acres.
6, The Contractor shall sow groundcover (including fertilizer and mulch) on all exposed earth areas within 14 calendar days
following completion of any phase of grading; sow permanent groundcover for all disturbed areas within 14 calendar days
following completion of construction or development. Contractor shall inspect seeded areas at 14 days after initial seeding and
repair all bare areas. Non -stabilized areas shall be stabilized with erosion control blankets or other acceptable methods as
approved by the Engineer. (See Stabilization timeframe table this sheet).
7. The Contractor shall be responsible for maintaining all sediment and erosion control measures throughout the duration of the
p 9 9
landfill project. Maintenance shall include, but not be limited to: cleaning silt out of basin, ditches, adding extra gravel or
riprap; regrading berms/swales and washed out areas; repairing, replacing, or adding silt fence, etc., all as required.
9. Owner shall clean all all impacted storm drainage ditches, pipes, culverts, etc. prior to final payment. Contractor to clean
GENERAL: affected pavement areas weekly (if needed).
The work shall consist of furnishing labor and material, equipment and performing all operations necessary for a complete installation
of all work as specified herein and as shown on the drawings.
1. Work shall consist of installation of construction entrance, clean water diversion swale/berm and erosion control measures. Once
complete and approved by Erosion Control Inspector, contractor shall commence with stripping topsoil, placement of diversion
swales (permanent and temporary) with straw wattles, concrete & gravel placement; redistribution of topsoil strippings, and
permanent seeding. Since the project to be under a long term erosion control process, the Owner shall develop a schedule of
maintaining all erosion control features until all disturbed areas are brought to grade and left in a stabilized condition.
2. The Contractor is expected to examine the site to familiarize himself with site conditions. The Contractor shall carefully read all the
specifications and examine the drawings and details in order to thoroughly familiarize himself with the work to be done. Any work
shown on the drawings or included in the specifications, or reasonably implied by either, shall be performed the same as if called
for by both.
EARTHWORK:
1. A temporary bench mark shall be established on site.
2. The Contractor shall be thoroughly familiar with the Erosion Control Sequence as stated hereafter and shall follow this sequence to
insure that no off site pollution occurs during landfill & sawmill operations. Any deviation from this stated sequence or plans and
details shall have prior approval of the Owner's Engineer and Iredell County Erosion Control Office.
3. Top Soil: Strip all top soil from the area to be graded/filled and stockpile on site for redistribution upon completion of project.
4. Prior to landfill and sawmill operation opens for business, Owner shall install permanent entrance to site as shown on plan by
Lance Schamback, PLS and construct landscaped berms along property line as shown.
5. LCID material shall only be placed in the areas indicated on the plan and permit. No final slopes shall be steeper than 3:1. The
entire grade after placement shall be smooth and uniform slope.
EROSION CONTROL SPECIFICATIONS
Requirements of the Contract Documents apply to all work in this section.
GENERAL: Provide the work of this section for erosion and sediment control as indicated and specified as follows:
Clean water diversion swales/berms, permanent diversion swales, temporary diversion swales, matting, straw wattles,
construction entrance, temporary sediment fencing, rock weir outlets, skimmer sediment basin and permanent seeding.
CONTRACTOR'S RESPONSIBILITY: The Contractor shall furnish the Owner a system of temporary controls to minimize soil
sediment erosion during the LCID landfill period caused by storm water runoff. Work shall be performed as called for on the drawings
and as site conditions warrant. All erosion control measures shall be constructed in accordance with the NC Erosion and Sediment
Control Planning and Design Manual Latest Edition.
OWNER'S RESPONSIBILITY: After the acceptance, it is the Owner's responsibility to properly maintain the work. This includes
weekly inspection of erosion control measures and after measurable rainfall events. Repair/replace as necessary.
EROSION AND SEDIMENT CONTROL: The Contractor shall provide erosion and sediment control during the period of work of this
project. The Contractor shall protect and maintain the erosion and sediment control structures which provide sediment pollution
control, as shown on the drawings. The Contractor shall protect and maintain the facilities as necessary to trap soil erosion and
sediment pollution created by storm water runoff. Maintenance of these facilities shall include, but not be limited to cleaning sediment
out of basin, re -grading and filling of washed out areas, adding erosion control blankets, adding/repairing sediment silt fence, adding
additional wattles and re -seeding and mulching of the swales during the construction period if deemed necessary by the Owner,
Owner's Engineer, or the Iredell County Erosion Control Office.
EROSION CONTROL SEQUENCE:
The following sequence of construction shall be staged as required to provide acceptable erosion and sediment control.
1. Contractor shall arrange a pre -construction meeting with the Owner, the Owner's Engineer, and a representative from the Iredell
County Erosion Control Office prior to any land disturbing activity. An Erosion Control Plan Approval Certificate shall be displayed
and a copy of the approved erosion control plan must be available on site at all times during installation of Erosion Control
measures and during all LCID landfill and sawmill activities. Contractor shall install all erosion control measures shown on sheet
EC-1 and stabilized prior to any further earthwork. Once all Phase I measures are in place, a site inspection by Iredell County
Erosion Control Office shall be administered prior to any further activities.
2. Convert existing construction entrance access drive to a permanent entrance/exit as shown on plan by Lance Schamback, PLS. It
is recommended to maintain an area behind permanent entrance with a minimum of 6" depth of 2"-3" coarse aggregate in loose
measurement. Any sediment accumulation on adjacent public roads or areas not within limits of construction as a result of this
project and traffic from this project shall be immediately cleaned off by the Owner.
(Minimum Stabilized Construction Entrance Length = 100' as per detail 6.06.)
3. Install sediment fencing along with rock weir outlets. Any diversion swales with anticipated velocities of greater than 2 ft./sec. shall
be matted. Sediment fencingshall be installed 10 ft off toe of slope along fill slopes. Basin shall be stabilized and matted
p 9 p
immediately. Excavated material from swales shall be placed on low side of Swale and stabilized to allow for a berm to provide
extra protection from upland surface water sheet flow during rainfall events. Install slope drain where diversion Swale enters
skimmer basin. Slope drain shall have both inlet and outlet protection.
*No prefabricated silt fence is to be used on this proiect.*
4. Strip topsoil from landfill area and stockpile in areas as shown on the plans until areas are brought to final grade.
5. The angle for graded slopes and fills shall be no greater than the angle that can be retained by vegetative cover or other adequate
erosion control devices or structures. In any event, slopes left exposed will, within 14 calendar days of completion of any phase of
grading, be planted or otherwise provided with temporary or permanent ground cover, sufficient to restrain erosion. The angle for
graded slopes and fills must be demonstrated to be stable. Stable is the condition where the soil remains in its original
configuration, with or without mechanical restraints. Additional measures to control and sediment may be required by Iredell
County Erosion Control Office. Contractor shall install channel matting per specified on this sheet. Install straw wattle check dams
as required in these channels until site is completely stabilized.
10. At the end of the project and after the permanent ground cover is established, the Owner shall request a final inspection from
Iredell County Erosion Control Inspector prior to receiving permission to remove all erosion control measures as shown on
Sheet EC-1 and seed all remaining disturbed areas, including any areas of poor quality vegetation.
11. Contractor is responsible for performing self -inspections and reporting in accordance with NCDENR DWQ General Permit NCG
010000 Section 11.13, paragraph 3.
SEEDING SPECIFICATIONS:
SLOPES 3:1 or FLATTER
1. Apply agricultural lime at the rate of 90 Ib/1000 sf.
2. Apply 10-10-10 commercial fertilizer at the rate of 20 Ib/1000 sf.
3. Seed in accordance with the following schedule and application rate:
DATE TYPE PLANTING RATE
Aug 15 - Nov 1 Tall Fescue 200 Ib/ac or 7 Ib/1000 sf
Nov 1 -Marl* Tall Fescue and 200 Ib/ac or 7 Ib/1000 sf
Abruzzi Rye 25 Ib/ac or 1/2 Ib/1000 sf
Mar 1 - Apr 15 Tall Fescue 200 Ib/ac or 7 Ib/1000 sf
Apr 15 - Jul 30 Hulled Common or Bermuda 30 Ib/ac or 1 Ib/1000 sf
Jul 15 - Aug 15 Tall Fescue and 200 Ib/ac or 7 Ib/1000 sf
Brown Millet or 35 Ib/ac or 7/8 Ib/1000 sf
Sorghum -Sudan Hybrids 30 Ib/ac or 3/4 Ib/1000 sf
* Heavily mulched during January - March period. Coat applied at the rate of 5-7 gal/1000 sf
or 200-300 gal/ac.
4. Mulch with straw applied at the rate of 75-100 Ib/1000 sf. and anchor with asphalt emulsion
tack coat applied at the rate of 5-7 gal/1000 sf or 200-300 gal/ac.
SLOPES GREATER THAN 3:1 TO 2:1
1. Apply agricultural lime at the rate of 90 Ib/1000 sf.
2. Apply 10-10-10 commercial fertilizer at the rate of 20 Ib/1000 sf.
3. Seed in accordance with the following schedule and application rate.
DATE TYPE PLANTING RATE
Mar 1 - Jun 1 Sericea Lespediza (scarified) & 50 Ib/ac or 11 Ib/1000 sf
Mar - Apr Add Tall Fescue or 150 Ib/ac or 3-1/2 Ib/1000 sf
Jun - Sep 1** German Millet or 40 Ib/ac or 1 Ib/1000 sf
Small -Stemmed Sudan Grass 50 Ib/ac or 1.2 Ib/1000 sf
Sep - Mar 1 Sericea Lespediza
(unhulled-unscarified)
Tall Fescue
Millet or Sudan
** Temporary - Reseed September 1 at recommended rates.
70 Ib/ac or 1-3/4 Ib/1000 sf
150 Ib/ac or 3-1/2 Ib/1000 sf
4. Mulch with 3" straw applied at the rate of 50-90 Ib/1000 sf and anchor with asphalt
emulsion tack coat applied at the rate of 5-7 gal/1000 sf or 200-300 gal/ac.
20 Ib/ac or 1/2 Ib/1000 sf
NEW STABILIZATION TIMEFRAMES
Site Area Description
Stabilization
Timeframe Exceptions
❑ Perimeter dikes, swales, ditches and slopes
7 days
None
High Quality Water (HQW) Zones
7 days
Bone
Slopes steeper than 3:1
7 days
If slopes are 14' or less in length and are not
steeper than 2:1, 14 days are allowed.
Slopes 3:1 or flatter
14 days
7 days for slopes greater than 50' in length.
All other areas with slopes flatter than 4:1
14 days
None, except for perimeters and HOW Zones.
11111 :1►,1a.9 RIai►,IJ.-&-ia6lli►,I:10rr:EAL11OI TA19:111 1114'20721rs,
SEDIMENT DRAIN. DENUDED MIN. REQ. MIN. REQ .
SED.
SED.
SED,
WEIR
SKIMMER
STORAGE
STORAGE
STORAGE
WEIR
FLOW
TOP
TOP
BOT. I BOT.
BOT.
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SKIMMER
BASIN
AREA AREA
STORAGE
Q
SURF.AREA
DEPTH
WIDTH
LENGTH
LENGTH
IDEPTH
WIDTH
I LENGTH
I VVIDTH I LENGTH
I BASIN
(IN)
ORIFICE
NUMBER
(ACRES) (ACRES)
(CFy
CFS
(SF)
(FT)
(FT)
(FT)
(FT)
(FT)
(FT)
(FT)
(FT) (FT)
ELEV.
(FT)
DIA. (IN)
1
8.21 6.00
14778
17.49
5683
1 3.0
1 53
1 107
1 115
0.59
J 61
1 115
41 95
762.00
2.50
1 200
Design Requirements: freeboard 2.00 feet
10 YrStorm Intensity 7,10 iOr C= 0.3
ALL TEMPORARY SKIMMER SEDIMENT BASINS TO BE CONSTRUCTED AS PER DETAIL 6.64
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REVISIONS
BY
REV. PER LOAM FROM
IREDELL CO R. MOORE
DMD
(4/16/19)
Date: 3/12/19
Scale: N/A
Drawn: DMD
Checked: DLM
Project: 2019-03-03-EC
Job: 2019-03-03-EC
Sheet
EC-2
AA4/16/19
of 3
Sheets

C
O
co
U
N
a
W
2-3 J
t
coarseaggregate � �r\
Figure 0.06e Gravel entnuncelozir
keeps sediment Iron1 leaving the constructlan silo (modrfied from Va SWCC).
Construction
L Clear the entrance and exit area of all vcguation, roots. and other
Specifications
objectionable material and properly grade it.
2. Place the gravel to the specific grade and dimensions shown an the plans,
and smooth it.
3. Provide drainage to carry water to a sediment trap or other suitable
outlet-
4. Use geotextile fabrics because they improve stability, ofthe foundation in
locations subject to seepage or high water table.
Maintenance
Maintain the gravel pad in a condition to prevent mild or sediment from
leaving the construction site- This may require periodic topciressing with p-
inch stone. After each rainfall, inspect any structure used to trap sediment
and clean it out as necessary. [immediately remove all objectionable materials
spilled, washed, or cracked onto public roadways.
6,20
TEMPORARYrIVERSIONS
TD
Compacted soil 2 r
I' min .I
-.y,..*.'-•,5 .iiw',•';s:sk I 16 son 4�
Ilhi' .•li �. foil ill -`.. + 1=
=i l lu li! _Ili_ " IIa Ili I� - Iil�llll_ i
6 typical
cl quire S.20• Tom Dwary earthen dovemns, 611,n
Coarse aggregate
MUM15
t max
f8" rein pyr
IS - -11 I-
-4-YP^ 9' typical 1p
-
I I I = 04F_ 11111 Wr--m-111 111111 VIII I A
Figure ii Temporary gravel diversion dike for vehicle wing (maddind From Va SWCC}.
Construction L Remove and properly dispose of all Irees, hruslr_ slumps_ and other
Specifications rtbJttliorrahle material-
2. 1:115ure that the minimum cmiswcsed cross section meets all design
nquirements.
T .. 1..n5tIR that tits to Of INC dike i5 noeWCr at an inl then tits dCYr n
P y Pu 6
dleVal ion plus the sprcifiand scrtlentent.
J. Provide so ffic ieni room around diversions to permit machine regrading and
cleariour
S. Vcgetasc the ridge immediately aflrr conAtruoitdnL unless it will remain in
place less than 30 working days.
Maintenance Inspoxilereporarydiversiousotlweek and aftcreveryrainfall. Immediately
remove sediment t-mm the flaw aria rued repair bhe diversion ridge. Carefully
cheek oul lets and make timely repairs as rinded. Wben the area prolpered la
permanently stabilized_ remove the ridge and the channel to blend with the
natural ground level and appropriall iy Arabi llze iL
U-83
} } -
Construction I. Place x s 1ntIx I'rLY andnelstas sixeeTIn the Inn on it filter fabc
Specifications foundation•
2. Keep the certler slope section at least 9 incites below natural ground level
whom the dam abuts the channel banks.
3. Extend alone at beast 1.5 fret beyond the ditch bank ( Figure 6.83b) to keep
water from -ulling W0010. the ends ol'the chxrk dam.
4. Set spacing benveeri dams 10 assure [bar the elevation at the lop of the
Iowxr dam is the same ss the toe VI -Val ion of the upper dam.
-% Protect the channel after the lowest check dam from heavy flow that emid
cause erosion.
5. Make sure that the channel reach above the most upstream dam is stable.
7. Ensure the other areal of rho chamicl, such as culvert cmranccs ticlnw the
Check da its. is re rx+t suhlnr to dannagu or blockage from displaced slaries.
L e The distance such that points
A and B are of equal elevation
A B
a lik
__::f =zn.L
Figure &83. Spam chock Game in a cranriel so Ihot The areal 9f dosM•h4ant dam Is at aismil n of the too of ups row,, dam
1.5 min.
9" min
Filter Cloth
PlOn View
I2" a NCDOT J4`5 or u57
washed stone % I 5'
e�y
Cioss B Ripmp
w 2' malt. at
ccnler
Filter Cloth
4' 1ra 6'
Cross -Section View
Figure 8.83b Stone check dam stone should be placed over the channel banks to keep water from cutting around the
rim
Maintenance Insp- ell" kdarnsand charlaCKut[cast wecklyFord allercook ill gnificmtet112
inch or greater) raini ill event and repair immediately. Clean out wdir l-
sini Limbs, or other debris that wold clog the channcl when needed.
Anticipate submergence and deposition above the check dart and erosion from
high flows around the edges of the dam. Correct all damage immediately, if
significant erasion occurs between dai addilinnal measures can he taken
such a& ilistskling a prmective ii crap liner in [hat portion of The channel
I Practice b. i I, Rywyrfiw and Paved S •leimrrlsl-
Remove sediment aceumutated behind the dams as needed to prevent damage
to channel vegetatfna. allow the channel in drain through Elie stone check dam.
and prevent large flows from carrying se-tirrient over the darn. Add stones to
dams as needed to maintain design height and cross section.
6.62
SEDIMENT
IIIIIIIIIIIIIIIIIIIIIIIIII
Construction MATERIAL$
Specifications f Use a synths is filter fabric of at lease 95°£ by weight of polyp lefins or
polyester, which is certified by the manufactures or supplier as conforming to
the requirements in AS 1 M D 6461, which is shown in part in Table 6.62b.
Synthetic filter fabric should contain ultraviolet ray inhibitors and stabilizers
to provide a minimum of 6 months of expected usable construction life at a
temperature range of 0 to 120" F.
Z. Ensure that posts far sediment fences are 1.33 ibJli sear fi steel with
a minimum length of 5 feet. Make sure that steel posts have projections tD
facilitate fastening the Fabric.
3. For reinforcement GFstandard strength filter fabric use wire fence with a
minimum 14 gauge and a maximum mesh spacing of 6 inches.
Table 6.82b Specifications For Sediment Fence Fabric
Temporary Sift Fence Material Property Requirements
Supported' Un-supported' Type of
Test Material units Slit Fence Sill Fence Value
Grab strength ASTM D 4632 N (lba)
Machine Direction 400 Sao MARY
(90) M
x-Machine Dime lot 400 450 MARV
X) X)
Permnavity' ASTM 044SI sect 0.05 005 MARV
Apparent Opening 6a.1 ASTM D 4751 sore 0.60 0-60 Max. ARVs
(US slew*) (30) (30)
% 7o%after 70%after
lJIms iokl stability ASTM D 4355 Retained 500h of exposure 500h of exposure Typical
Strength
' silt Fence support shall consist of 14 gage stil i we with a mesh spacing of 150 min (6 Inches), or prefabricated poyinsor mesh of
equrvalem strength.
' These aroult values are based on empirical evidence with a variety of sediment For environarernslly sensitive areas, a renew of
previous experience andlw site dr regionally specific seotexUle costs in accordance with Test Method D 5141 should be pertormed
W the egency to confirm suitability of these requirements
'As measured in sonordari with Test Method ❑ 4632.
CONSTRUCTION
L Construct the sediment barrier or standard strength or extra strength
synthetic filter iahrics.
2. Ensure that the height of the sediment fence dues not exceed 24 inches
above the ground sttrface. (Higher fences may impound volumes of water
sufficient to cause failure of the structure.)
3. Construct the filter fabric from a continuous roll out to the length or the
harrier to avoid joints. When joints are necessary, securely fasten the fitter
cloth only at a support post with 4 feet mininnum overlap to the next post.
4. Support standard strength filter fabric by wire mesh fastened securely to
the opslope side of the posts. Extend the wire mesh support to the bottom of
the trench. Fasten the wire reinforcement, then fabric on the upslope side of
the fence post. Wire or plastic zip tics should bane minimum 50 pound tensile
strength.
5. When a wire mush support fence is used, space posts a maximum of 8 feet
spurt. Support posts should he driven securely into the ground a minimum of
"4 inches. hu.
6. Extra siren h titer fabric with b fee[ >4sl SpKing dcee norequire tew err
mesh support fence- Seaw,ely fasten the filter fabric directly to posts. Wire or
plastic zip ties should have minimum 50 pound temile strength.
8' mpx. smndeM Mr fmrer ewrh woe fence
6' mox. exrrA siranglli oErvc wi wi"
..........
...
post
Plesnc o
J
c.iea
..
.. 1_/
.. :a 2-
Wire
...'i Fm=e
hkfunl
v
..._,-. -. - _ d " a. .�_
rhe°`��rc".41%`9
24 Filter
f.hrie
n'.
Cmiae
Y5l
im
Filter
5tee1 fehric aeckflll french
Phfavl
Post i
�horouFHl greuM
.. .... s T u,
i= m r
24,.
iI . . . . . . i
FJgun 6.62. lmtallalion derail of a eammam!sore.
The Slicing Method
ri ey rcld•• Ppsi SPACO&
. . ar - An ate" -,a
- un p=., - .............. .. ............... Tep m raeec
W
�s+irum m. a px a.
F oa
'aPOST ❑ lP
.roitt.e4i"_it
a.•w ape.. ar
"e....r e - mow+_- =' ma .7
//
//�'"501 �- \ / /
I \\
r/ �X i "\' \\i'�' ,\
�
l \ .nrcw.�ra oaixu.s:
'
/�\N\ _\/�\� 4\\
\
rf\�/j, �1, .\1 tom\ ..m"a,m"cmwmenoo e!
\\//;/\/I,�\ •uravnrw n.r wr PPa.m.mmv,Pe•cemenr_
II '
/r\\/i�/i�// i�/\\jamI •� wc"roe-rv. w-c+u.q"cws.� WV
1 /\/\// amI-norm orrapan
`�\1 \\/ \\;
apag.pa"ro type"
• a"o paw"epee one i. L.Y..
No mare Ilan Zr ofa 38' fabric tree cone mar 450" or sell wre.
is allowed above ground.
Roll of at fence
r• Laeaman
Pod
holalled
oiler
m rvo_-sm
F-E:
cli SR I'larle's
/ �d
f
nt .T-�I-I .t ''
�i .. - �s®
��� axbd s• tz• I ..
's d �' )
•yt
Hcrkanid areal "'V`Sico J nlod,
I a• wire" I I o r• wk&)
cu. +area seraar
v11bric ry pawn not occepk-tble because of wrt! ntol compaction
Ficl a.S217 schematics for wing Ire reining rneuwd m irg4011 a aed nenr Ipnpe. Adapted main S*Fe fher work.
7. Excavate a trench approximately 4 inches wide and 8 inches deep along
the proposed line of posts and ups lope from the barrier (Figure 6.62a).
& Place 12 inches of the Fabric along the bottom and side ofthe trench.
9. Backfill the trench with soil placed over the filter fabric end compact.
1-horvi compaction ofthe backfi ll is critical to silt fence performance.
IG. Do not attach filter tbbric to existing Trees.
SEDIMENT FENCE INSTALLATION USING THE SLICING METHOD
Instead of Excavating a trcneh. placing fehric and then back idling mrseh.
sediment times may be installed using specially designed equipment that
inserts the fabric into a cut sticed in the ground with a disc (Figure 6.62b).
Installation I. The base of both end posts should be at Icast one foot higher than the
pecifications middle cif the fcstcc. Check with a lcvc] if necessary•.
2. Install pests 4 Feet apart in critical areas and 6 feet apart on standard
applications.
3. Install posts 2 feet deep on the downstream side of the silt fence, and
as close as possible to the fabric, enabling posts to support the fabric from
upstream water pressure.
4. Install posts with the nipples facing away from the silt fabric.
5. Attach the Fabric to each post with three tier_ all spaced within the tap 8
inches of the fabric. Attach each lie diagonally 45 degrees through the Fabric,
with each puncture at least I inch vertically apart. Also. each tic should be
positioned to hang on a post nipple wrten tightened to prevent sagging.
6. Wrap approximately 6 inches of Fabric around the end pasts and secure
with 3 ties.
7. No more than 24 inches of a 36 inch fabric is at lowed above ground
level -
IL The instal lation should be checked and corrected for arty, deviations before
compaction.
9. Compaction is vitally impnmi For etTe ive resuftR• Compact the soil
immediately next to the sl It fence fabric with the Front wheel of the tractor.
skid steer, or roller exerting at least 60 pounds per square inch. Compact the
upstream side first, and then each side twice for a treat of4 trips.
Maintenance Insptel sediment fences at least once a week and after each min fat 1. Makc env
required repairs immediately.
Should the fabric of a sediment fence collapse. Ica-, decompose or become
ineffective, replace it promptly.
Remove sediment deposits as necessary lu provide adequate storage volume
for the next rain and to reduce piresetlre on the fence- Take care 10 avoid
undermining the fence during ciewout.
Remove all fencing materials and unstable sediment deposits and bring the
area to grade and stabilize it after the contributing drainage area has been
A•rn Assxmbly
\
y'C" Enclvsura
W pier Entry
PERSPECTIVE VIEW Unit
PVC EM PVC Vent 5chedule 40
� PVC Elbmw Pipe PVC Vice
PVC End
7
Schedule 40
PVC Tee PVC Pipe PYC Pipe
rr-1Holesin PVC Tee U"fce
Underside FI-Ible Peale
H � r3
-tom surfAca
END VIEW FRONT VIEW
Figure B-Bea Schematic of a skimmer, from Pennsylvania Erosion and Sediment Pollution Contrd Manual,
March. 2000.
Plan View
Avem'ge. a Arco
width w L
• Aron of basin weer surface n1
lop of principal spillway .1ii ion
Inflow Baffles V Freebenrd
structure
� . / 1
■
Emergency
sprllway
Einbgr1khW d
I/
Se4lmanr - Cross -Section
storage :one View
Figure 6.64a Example of a sediment basin with a skimmer outlet and emergency spAvay. From Pennsylvania
Erosion and Sediment Pollution Control Manua!, March. 2000.
E. Clear m and siri the area under erehenkm nit of ve tin, and
Gtc r
�On5trllCUOn • 8 � P 8r1a
Specifications ems mat- Rcrri all surface soil containing high amevri or organic matter
and stock ile or d' o£ itproperly. Haul all objectionable material to the
P dispose I
designated disposal area Place temporary sediment control measures below
basin as needed
2. Ensure that fill material for the embankment is Free of roots, woody
vegetation, organic matter, and other objectionable material. Place the fill in
li its not to exceed 9 i itches end trbrchine compact it. Over fit ) the embank muni
6 inches to allow far settbefri
3. Shape the be in Ia the spec iftul dimensions. Prevent the skimming &-rice
from settbiriinto the mud h excavating a shallow it under the ski matter w
lit Y rig P
providing a low support under the skimmer of stone or timber.
4. Place the barrel (typically ¢inch S0Edule40 PVC pipe) on a firm, smooth
foundation of impervious soil. Do not use pervious material such as seti
ravel or crashed stone as backflll around the pipe. Plain die fit material
8 P Pe
around the pipe spillway in 4-inch layers and compact it under and around
the pipe to at leas the same density as the adjacent embankmenL Care must
he tai not to raise the pipe hoe the 5mn contact with iL fnundalim when
compacting under the pipe haunches.
Place a minimum depth of 2 feet ofcompaeted back filI over the pipe spillway
before crossing it with construction cquipmenL In no case should the pier
conduit be installed by ctlttin a trench throw the dam after the embankment
g P>ti
is compJere.
5. Assemble the skimmer following the manuf cturers instrudtions, or ss
designed.
6. Lay the assembled skimmer on the bottom of the has in with the Flexible
joint at the inlet of the barrel pipe. Attach the flexible joint to t4E barrel pipe
and position the skimmer over she excavated pit or support. Be sure to attach
a rope to the skimmer and anchor it to the side of the basin. This will be used
to pull the skimmer to the side for maintenance.
7. Earthen spillways Install the spillway tit undisturbed sail to the greatest
extent possible. The ach ierenri of planned ebevatiom, grade, design width,
and entrance and exit channcl slopes arc critical to the cocas al operation
of the spillway. the spi€lway should be lined with laminated plastic or
impermeable textile fabric. The Fabric muss be wide and lore enough to
pe goo long g
over the bottom and sides and extend onto the to of the dam For anchoring c p tub
in a ireneh• The edges Tnav be see Used with 8-inch staples nr pi c The fabric
muse be king enough to cxlend down the slope and exit onto debts ground.
The width of the fabric must be one piece, not joined or spliced; otherwise
water can ee under the fabric. if the length ofthe fabric is insufficient for the
g g
entire len+dt of the s illwa • Multiple section s annin the cam Jere wit
6 P y. p s. P g P
UL
may be used. The upper scot wto should overlap the to vcr sections) so
that water cannot flaw under the Fabric. Sccutm the upper edge and sides
ofthe rab is in a trench with staples or pins. (Adapted from "A Manual for
Designing, installing and Nfainpining Skimmer Sediment Basins" February,
19919. 1. W. Faire loch & con.).
8. Inlets -Discharge water into the basin in a manner to prevent erosion. Use
temporary slope drains or diveniuns with outlet protection to divert sedimeri
p _ Pe
laden water to the upper end of the pool area to improve basin trap efrwiency
(Rc£crcnecs: RarroJJ Corrvrnl Mensums and Ouster PHvrecporr).
9, Erosion control-Cowtmct the structure so that the disturbed area is
minimized. Divert surface water away from bare areas. Complete the
embankment betom the area is cleared. Stabilize the emergency spillway,
emhuekni and all other disturbed areas above she cmg of the principal
spillway manned iolely after eensbuc•[ion Me ferriecs: Sierfici Stabilization).
I0. Install Porous hafll us as specified in Practice 6-65, po,o s Baj17er.
tt. After al the sediment -producing areas have been permanently stabilized,
remi the structure and all the unstable sediment Smooth the area to
blend with the adjoining areas and slabilize properly (ReFercnccs: Surface
slabifizarmVI).
Maintenance Inspect skimmer sediment basins at Is= weekly and after each significant
(anahalF inch or Smalef) rainfall event and repair immediately. Remove
sMinvent and restore the haain m its original dimev;ions when sediment
accumulmcs to one-half the height or the firs baffle. Pull the skimmer to
one side so that the sediment underneath it can be excavated. 1_xcavale the
sediment from the ere ire basin, not just around the skimmer an the fret cell.
Make sure vegetatinn growing in the bottom of thc basin does not hold down
the skimmer.
Repair the baffles if they are damaged. Re -anchor the baffles if writer is
flowing undcmcalh or around Ihcm.
If the skimmer is cinggEd with trash and sheer is water in the basin. usually
jerking on the rope will make the skimmer bob up and down aril dislodge
the debris and restore flow. If this does not work, pull the skimmer over to
the side of the basin and remove the debris. Also check the orifice inside the
skimmer to see if it is clogged: i£so mrni the debris.
€Fthe skimmer ant or barrel pipe is clogged, the orifice can be removed and
the obstruction cleared with a plumber's snake or by flushing with water. tie
sure and replace the orifice before repositioning the skimmer.
Check the Fabric lined spillway for damage and make am required repairs
with fabric that spans the f ulI width ofihe sip Elwri Check the embankment
spillways, and outlet for erasion damage, and impree the embankment fir
piping and selllrment. Make all nemssary repairs immcdiarely, Remm c all
trash and other debris From the skimmer and pool areas.
Freezing cathcr can mull in icc farming is she begin. Sosroe special
precautions should be rakcn in the winter to prevent the skimmer from
pluvttine with ice.
WOVEN FILTER FABRIC
w
0
N
6.65
ED
.=
I :
11
1 1
Inletar NO * Dutle•t
Flgum 6.66a Porous baffles in a sediment basin. The flow is distributed evenly across the basin to reduce
flow rates and lurbulence, resulting in greater sediment retention.
Baffles need to be installed correctly in order fully provide their benefits.
Refer sit Figure 6.65b and the to] I ilig key points:
• The baffle material needs to be secured as the bottom and sides using
staples or by trenching as for silt fence.
• Most of the sediment will accumulate in the first bay. so this should be
readily accessible far maintenance.
SUM." rope Support post•
to wire to pre- 24•inf o bottom Stoke to support
vent sieggi rig or side wire
_%%� $7 1
1 ./L
Coir mesh or similar, stapled ar
trenched into bottom w side
Ftgure 6.65b Cross-section of a porous baffle in a sediment basin. Note that there is an weir because the water
Rays threugh the baffle material
aof6e.--
*he.
€mbenl.o.at ' ,
- . _.
F'
-
mitre•.least 2srie
! 35X
I.h nrr.c.
"
• • First ch.mh.r
11 25% a a -
surd corm 2534 of au
curl.. zone
Room (.•ac Semple of Porous baffle wise do Mr r sh 4sa ci4 In earn aflemaP"a reap rR wlre bapwng fence. 4clu or Harr Pura. INC detail.)
Construction L Grade the hasio so 'hat the buthan is level front to brick and side to side.
Specification L Instalt posts or saw horses across the width ofthe sediment trap (1'racr[co
6.62, St diarew Fence).
3. Steel posts should be drieri to a depth of 24 inches, sparred a maximum
f4 ed w 11. he o fen a a and nitrite I u 1he sacs of the basin as a The of t
P r>. P mP
fabric should be 6 inches higher than the irm•en ofthe spillway- Tops or baffles
should be 2 inches lower than the top of the beans.
4. Install at lease three rows of baRles between the inlet and outlet discharge
point Basins less than 20 Ice in length may use 2 baffles.
S. When using posts. add a support wire or rope across the tap ofthe measure
to prevent sagging.
& Wr porous, material like jute hacked eair material over a sawhorse a
ap P ro J by
the top wire. Hammer nebar into the sawfrnrwc less 6rc anchnring- The fabric
should have five to ten pure m openings in the weave, Attach fabric tea mile
and a suppers structure with zip ties, wire, or staples.
7. The bottom and sides ofthe fabric should be anchored in a trench or pinned
with S-inch erosion contral matting staples.
B. Do not splice the fabric, bur use a eonlinuous piece across the basi ri.
Maintenance Inspect baffles at leasl once a week and after each raintal1. Make any required
repairs immediately.
83e sure tomaintain accesslo the baffles. Should the fabric of es tiafilemllapse,
rear, decompose. or become ineffective replace it roe . promptly.
PoP P Y
Remove sediment d, its when it reaches half Full to provide adequate
storage volume for the next rain and to reduce pressure on the baflies. 'rake
care to avoid damaging the baffles during cleanout. Sediment depth should
never exceed half the designed storage depth.
After the euntributin drains area has beenproperlystabilized. remove all
lit ire
baffle materials and unstable sediment deposits. bring the area to grade, and
OVERLAP
�11 Min ) t _ROCK WEIR OUTLET. SUBSTITUTE 1 (1' Min.)
•P. INTS • •- •MENT • j
.....
:UPSLOPE SIDE OF WEI,',
' /
•-.•-�•-...-r.- .- . - /
•:%. /.
../• .+rti..t-ti..+-ti.a-}..t-ti.. _._ . a-ti..+-ti.a-ti..+-ti.a-ti..t-ti.. ./,.�
- HARDWARE CLOTH
i_#5 WASHED STONE ON
ARDWARE CLOT WIT '5 WA
11
FEN IN '3
all
. . . . . . . . . . . . . . . . . .•.
......../, 1..*ti..41..�1..�ti-.�1., ti..�Y., ti..t-l., ti..t-T.: ti..4 ti..�1..�1..�1.. }..V .�,........... r.'.'�r... _
---
le
o.•.00•.
..... ..........
MAINTENANCE NOTES:
1. ROCK WEIRS SHALL BE INSPECTED IMMEDIATELY AFTER
EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY
REPAIRS NEEDED SHALL BE MADE IMMEDIATELY.
2. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM EVENT. THEY
MUST BE REMOVED WHEN DEPOSITS REACH APPROX. HALF THE HEIGHT OF THE
WEIR. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE ROCK WEIR
IS REMOVED SHALL BE DRESSED TO CONFORM TO THE EXISTING GRADE,
PREPARED AND SEEDED
i -
HARDWARE CLOTH SHOULD TIE
INTO THE STEEL POSTS. ANCHOR SKIRT 6" MINIMUM
_r
• IT IS NOT BE NECESSARY TO
INCLUDE STONE DOWNSTREAM OF
THE HARDWARE CLOTH
TEMPORARY ROCK WEIR
=1
6.32
TSD TEMPORARY
-•- SLOPE DRAINS
Definition A flexible tubing or conduit extending temporarily from the top to the bottom
of a cut or fill slope.
Purpose To convey concentrated runoff down the face of a cut or fill slope without
causing erosion.
Conditions Where This practice applies to construction areas where stormwater runoff above a
cut or fill slope will cause erosion if allowed to flow over the slope. Temporary
Practice Applies slope drains are generally used in conjunction with diversions to convey runoff
down a slope until permanent water disposal measures can be installed.
Design Criteria Capacity Peak runoff from the 10-year storm.
Pipe size ---Unless they are individually designed, size drains according to
Table 6.32a.
Table 6.32a
Size of Slope Drain
Maximum Drainage
Pipe Diameter
Area per Pipe (acres)
(inches)
0.50
12
0.75
15
1.00
18
>1.00'
as designed
'Inlet design becomes more complex
beyond this size.
Conduit Construct the slope drain from heavy-duty, flexible materials such
as nonperforated, corrugated plastic pipe or specially designed flexible tubing
(Figure 6.32a). Install reinforced, hold-down grommets or stakes to anchor
the conduit at intervals not to exceed 10 ft with the outlet end securely fastened
in place. The conduit must extend beyond the toe ofthe slope.
Diversion . min -�1 Island over inlet
Dike ! . ,..,<•:: k A
. .W r•, 3:1 1.5' min
Hold-down stakes V.
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pipe A rib'fill TF ---1i�
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fill (island)
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J
Stabilize I�l� Top_ 4'mn ► T
outlet e G�/ I "I qq (5- diversion
U. �_ ;7 . II � Y A 0.5'min
Nature
l -- II I Il= f ground -n 1' Z....
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4 ' min Diversion % � ` - - - 1 = -
I-WIevel section') channel �( _! - - - _ _
Figure 6.32a Cross section ottie Moo rary slope drain.
Entrance --Construct the entrance to the slope drain of a standard flared -end
section of pipe with a minimum 6-inch metal toe plate (Figure 6.32a). Make
all fittings watertight. A standard T-section fitting may also be used at the
inlet.
Temporary diversion -Generally, use an earthen diversion with a dike ridge
to direct surface runoff into the temporary P or slope drain. Make the height ofthe
P g
rid e over the drain conduit a minimum of 1.5 feet and at least 6 inches higher
g g
than the adjoining ridge on either side. The lowest point ofthe diversion ridge
should be a minimum of 1 foot above the top of the drain so that design flow
can freely enter the pipe.
Outlet protection Protect the outlet ofthe slope drain from erosion (Practice
6.41, Outlet Stabilization Structure).
Construction A common failure of slope drains is caused by water saturating the soil and
seeping along the pipe. This creates voids from consolidation and piping and
Specifications causes washouts. Proper backfilling around and under the pipe "haunches"
with stable soil material and hand compacting in 6-inch lifts to achieve firm
P g
contact between the pipe and the soil at all points will eliminate this type of
failure.
1. Place slope drains on undisturbed soil or well compacted fill at locations
and elevations shown on the plan.
2. Slightly slope the section ofpipe under the dike toward its outlet.
3. Hand tamp the soil under and around the entrance section in lifts not to
exceed 6 inches.
4. Ensure that fill over the drain at the top ofthe slope has minimum dimensions
of 1.5 feet depth, 4 feet to width and 3:1 side slopes.
P P P
5. Ensure that all slope drain connections are watertight.
6. Ensure that all fill material is well -compacted. Securely fasten the exposed
section of the drain with grommets or stakes spaced no more than 10 feet
apart.
7. Extend the drain beyond the toe of the slope, and adequately protect the
outlet from erosion.
8. Make the settled compacted dike ridge no less than 1 feet above the to of
P g P
the pipe at every point.
9. Immediately stabilize all disturbed areas following construction.
Maintenance Inspect the slope drain and supporting diversion after every rainfall, and
promptly make necessary repairs. When the protected area has been
permanently stabilized, temporary measures may be removed, materials
disposed of properly, and all disturbed areas stabilized appropriately.
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1631.01
MATTING IN DITCHES
1%
NORTH
AMERICAN
GREEN
STRAW WATTLE INSTALLATION GUIDE
E Q1 a
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9" 22.9 cm) I -011111.
AJ
30
DIAGRAM A
- 3' (0.91m)
CENTER MINIMUM
JTYPICAL WATTLE SPACING
BASED ON SLOPE GRADIENT
Afr<L
50' 25'
1. BEGIN AT THE LOCATION WHERE THE WATTLE IS TO BE INSTALLED BY EXCAVATING A 2-3" (5-7.5 CM) DEEP X 9" (22.9 CM) WIDE
TRENCH ALONG THE CONTOUR OF THE SLOPE. EXCAVATED SOIL SHOULD BE PLACED UPSLOPE FROM THE ANCHOR TRENCH.
1. PLACE THE WATTLE IN THE TRENCH SO THAT IT CONTOURS TO THE SOIL SURFACE. COMPACT SOIL FROM THE EXCAVATED TRENCH
AGAINST THE WATTLE ON THE UPHILL SIDE. ADJACENT WATTLES SHOULD TiGHTLY ABUT.
3. SECURE THE WATTLE WITH 18-24" (45.7-61 CM) STAKES EVERY 3-4' (0.9 -1.2 M) AND WITH A STAKE ON EACH END. STAKES
SHOULD BE DRIVEN THROUGH THE MIDDLE OF THE WATTLE LEAVING AT LEAST 2-3" (5-7.5 CM) OF STAKE EXTENDING ABOVE THE
WATTLE. STAKES SHOULD BE DRIVEN PERPENDICULAR TO THE SLOPE FACE.
North American Green Straw Wattles are a Best Management Practice (BMP) that offers an effective and
economical alternative to silt fence and straw bales for sediment control and storm water runoff.
Guidelines are provided to assist in design, installation, and structure spacing. The guidelines may require
modification due to variation in soil type, rainfall intensity or duration, and amount of runoff affecting the
application site.
To maximize sediment containment with the Straw Wottle, place the initial structure at the top/crest of the slope
if significant runoff is expected from above. If no runoff from above is expected, the initial Straw Wattle can be
installed of the appropriate distance downhill from the top/crest of the slope. The final structure should be
installed at or just beyond the bottom toe of the slope. Wattles should be installed perpendicular to the primary
direction of overland flow.
Straw Wattles are a temporary sediment control device and are not intended to replace rolled erosion control
P Y P
products (RECPs) or hydraulic erosion control products (HECPs). If vegetation is desired for permanent erosion
control, North American Green recommends that RECPs or HECPs be used to provide effective immediate erosion
control until vegetation is established. Straw Wattles may be used in conjunction with blankets, mats, and mulches
as supplemental sediment and runoff control for these applications. Like all sediment control devices, the
effectiveness of the Straw Wattle is dependent on storage capacity.
14649 HIGHWAY 41 NORTH, EVANSVILLE, INDIANA 47725
1-800-772-2040 TOLL FREE 812-867-6632
www.nagreen.corn
18" EXISTING i
(LAIN. ) GROUND l
BACKFILL
s"
(MIN.) I
STAPLES ON'
1 CENTERS
pQ� - IN TRENCN
�r
I- 6,r MIN
MATTING SHALL $E STAPLES ON'
PLACED IN TRENCN 1' CENTERS I
AND BACKFILLED IN TRENCN ii
DIAGRAM 0
MATTING ON SLOPES DIAGRAM 0
NOTEar
THIS DETAIL APPLIES TO STRAW, EXCELSIOR, AND PERMANENT SOIL REINFORGEMENT HAT (PSRM) INSTALLATION.
STAPLES SHALL BE NO, 11 GAUGE STEEL WIRE FORMED INTO A "U" SHAPE WITH A MINIMUM THROAT WIDTH OF i
INCH AND NOT LESS THAN 6 INCHES IN LENGTH,
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REVISIONS
BY
REV. PER LOAM FROM
IREDELL CO R. MOORE
DMD
(4/16/19)
Date: 3/12/19
Scale: N/A
Drawn: DMD
Checked: DLM
Project: 2019-03-03-EC
Job: 2019-03-03-EC
Sheet
EC-3
AA4/16/19
of 3
Sheets