SW5220601_Plansheet (C-8) - Misc. Detail_20220712

MAXIMUM
RESERVED
PARKING
PENALTY 3/8" (TYP)
250 3/8" (TYP)
00
GS 20-37.6
-.411111 12"
SIGN R7-8D
SIGN APPROVED FOR USE
UNDER GENERAL STATUTE 20-37.6
(D
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12"
SIGN R7-8
SIGN APPROVED FOR USE
UNDER GENERAL STATUTE 20-37.6
STANDARD COLORS (ALL SIGNS):
BACKGROUND — WHITE
LETTERING/BORDER — GREEN
ARROW — GREEN
FIGURE — WHITE ON BLUE FIELD
CORNER RADIUS — 1 1 /2" (TYPICAL)
RESERVED
PARKING
MAXIMUM
PENALTY
$250
12"
SIGN R7-8E
THIS SIGN MAY BE USED IN
PLACE OF SIGNS R7-8/R7-8D
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Mum
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12"
VAN ACCESSIBLE SIGN
SIGN APPROVED FOR USE
UNDER GENERAL STATUTE 20-37.6
L—
VAN ACCESSIBLE
SIGN (AS REQUIRED)
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CONDITION 1: PEDESTRIAN PATH DOES NOT
PASS UNDER OR AROUND SIGN.
CONDITION 2: PEDESTRIAN PATH GOES BY,
UNDER, OR AROUND SIGN.
GENERAL NOTES:
1. REGARDLESS OF AGE, ALL ACCESSIBLE
SPACES SHALL BE IDENTIFIED BY ABOVE—
GROUND SIGNS ONLY. (SEE N.C.G.S.)
2. NEW SPACES SHALL NOT USE GROUND —
PAINTED SYMBOLS.
3. ACCESSIBLE SPACES ARE REQUIRED TO
BE STRIPED OFF ONLY; BLUE COLORING IS
NOT NECESSARY NOR REQUIRED.
4. STRIPING IS WHITE ON DARK PAVEMENT;
BLACK ON LIGHT PAVEMENT. (N.C.D.O.T.)
HANDICAP SIGN DETAILS
N.T.S.
Lay sod in a staggered
pattern with strips butted
tightly against each other. A
sharpened mason's trowel can
be used to tuck down the ends
and trim pieces.
Correct Butting —angled ends caused by the automatic
Incorrect sod cutting must be matched correctly.
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Roll sod immediately to Water to a depth of 4 " Mow when the sod is es -
achieve firm contact as soon as the sod is tablished (2-3 wks). Set
with the soil. laid, and continue the mower high (2-3").
watering as needed.
Figure 6.12a Proper installation of grass sod (modified from Va SWCC).
3. Do not sod on gravel, frozen soils, or soils that have been treated recently
with sterilants or herbicides.
4. Lay the first row of sod in a straight line with subsequent rows placed
paralled to and butting tightly against each other. Stagger strips in a brick -like
pattern. Be sure that the sod is not streached or overlapped and that all joints
are butted tightly to prevent voids. Use a knife or sharp spade to trim and fit
irregularly shaped areas.
5. Install strips of sod with their longest dimension perpendicular to the
slope. On slopes 3:1 or greater, or wherever erosion may be a problem, secure
sod with pegs or staples.
6. As sodding of clearly defined areas is completed, roll sod to provide firm
contact between roots and soil.
7. After rolling, irrigate until the soil is wet 4 inches below the sod.
TYPICAL SODDING DETAIL
ADJOINING SLOPE = Y: X
SLOPE SHALL X WHERE X IS A
NOT EXCEED oY LEVEL PLANE
1: 20
WALK STREET
MEASUREMENT OF CURB RAMP SLOPE
PEDESTRIAN x
WALK
SEE SIDE FLARE
NOTE BELOW
6' 48" 6'
MIN.
CURB RAMP
"X" IS 60" MIN. AT AN OUT SWING
DOOR WITH A SLOPE OF 1:50 (2%)
MAXIMUM. LEVEL SURFACE IS PREFERED.
SIDE FLARE NOTE: (SEE REFERENCE DIAGRAM
ABOVE). SIDE FLARES SHALL HAVE A
MAXIMUM SLOPE OF 1:10 (10%). WHERE "X"
IS LESS THAN 48", SIDE FLARE SLOPE
SHALL BE 1:12 (8.33%) MAXIMUM. WHERE "X"
IS LESS THAN 36".
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CONDITION 1: PEDESTRIAN PATH DOES NOT
PASS UNDER OR AROUND SIGN.
CONDITION 2: PEDESTRIAN PATH GOES BY,
UNDER, OR AROUND SIGN.
GENERAL NOTES:
1. REGARDLESS OF AGE, ALL ACCESSIBLE
SPACES SHALL BE IDENTIFIED BY ABOVE—
GROUND SIGNS ONLY. (SEE N.C.G.S.)
2. NEW SPACES SHALL NOT USE GROUND —
PAINTED SYMBOLS.
3. ACCESSIBLE SPACES ARE REQUIRED TO
BE STRIPED OFF ONLY; BLUE COLORING IS
NOT NECESSARY NOR REQUIRED.
4. STRIPING IS WHITE ON DARK PAVEMENT;
BLACK ON LIGHT PAVEMENT. (N.C.D.O.T.)
HANDICAP SIGN DETAILS
N.T.S.
Lay sod in a staggered
pattern with strips butted
tightly against each other. A
sharpened mason's trowel can
be used to tuck down the ends
and trim pieces.
Correct Butting —angled ends caused by the automatic
Incorrect sod cutting must be matched correctly.
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Roll sod immediately to Water to a depth of 4 " Mow when the sod is es -
achieve firm contact as soon as the sod is tablished (2-3 wks). Set
with the soil. laid, and continue the mower high (2-3").
watering as needed.
Figure 6.12a Proper installation of grass sod (modified from Va SWCC).
3. Do not sod on gravel, frozen soils, or soils that have been treated recently
with sterilants or herbicides.
4. Lay the first row of sod in a straight line with subsequent rows placed
paralled to and butting tightly against each other. Stagger strips in a brick -like
pattern. Be sure that the sod is not streached or overlapped and that all joints
are butted tightly to prevent voids. Use a knife or sharp spade to trim and fit
irregularly shaped areas.
5. Install strips of sod with their longest dimension perpendicular to the
slope. On slopes 3:1 or greater, or wherever erosion may be a problem, secure
sod with pegs or staples.
6. As sodding of clearly defined areas is completed, roll sod to provide firm
contact between roots and soil.
7. After rolling, irrigate until the soil is wet 4 inches below the sod.
TYPICAL SODDING DETAIL
ADJOINING SLOPE = Y: X
SLOPE SHALL X WHERE X IS A
NOT EXCEED oY LEVEL PLANE
1: 20
WALK STREET
MEASUREMENT OF CURB RAMP SLOPE
PEDESTRIAN x
WALK
SEE SIDE FLARE
NOTE BELOW
6' 48" 6'
MIN.
CURB RAMP
"X" IS 60" MIN. AT AN OUT SWING
DOOR WITH A SLOPE OF 1:50 (2%)
MAXIMUM. LEVEL SURFACE IS PREFERED.
SIDE FLARE NOTE: (SEE REFERENCE DIAGRAM
ABOVE). SIDE FLARES SHALL HAVE A
MAXIMUM SLOPE OF 1:10 (10%). WHERE "X"
IS LESS THAN 48", SIDE FLARE SLOPE
SHALL BE 1:12 (8.33%) MAXIMUM. WHERE "X"
IS LESS THAN 36".
__>
1 1 /2%
2%MAX.
'INTEGRALLY COLORED
RED CONCRETE ON
DETECTABLE WARNING
SURFACE—i
NOTE: ACCESSIBLE RAMPS
AND CURB RAMPS WHERE
POURING OF A SEPARATE
INTEGRALLY COLORED
CONCRETE IS REQUIRED,
INSTALL SHEAR DOWELS
2'-0" O.C. AND KEYWAYS
TO PREVENT HEAVING OF
RAMPS W/ ADJACENT
SIDEWALK OR CONC.
SURFACE.
WARNING SURFACE
VARIES PER MANUF. _
N
0
0.9" IA.
2.35" (TYP.)
If
SECTION OF "DOME STAMP" 2.35"
PATTERN IN SURFACE
i.,
0.2"H.
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PLAN M O M
1: 12 (8.33%) MAX. N N O O
2.35" 2.35"
ELEVATION *SLOPE < 5% = WALK TRIANGULAR PATTERN SQUARE PATTERN
(NOT RAMP).
"IN —LINE" RAMP (EITHER PATTERN IS ACCEPTABLE)
PLAN OF "DOME STAMP" PATTERN IN SURFACE
NOTES:
A CURB RAMP(S) MUST ALSO BE PROVIDED IN THE
PARKING LOT AT ALL INTERMEDIATE AND PERIMETER
CURBS ALONG THE ACCESSIBLE ROUTE CONNECTING TO
PUBLIC SIDEWALKS.
A RAMP IS ANY SLOPE GREATER THAN 1:20 (5%) AND
SHALL HAVE A MAXIMUM SLOPE OF 1: 12 (8.33%). THE
MAXIMUM SLOPE IS 1" OF RISE PER FOOT OF
DISTANCE TRAVELED. ALL DETECTABLE WARNING AREAS
OF THE RAMP ARE TO HAVE AN INTEGRAL RED COLOR.
THE CLEAR WIDTH OF ANY RAMP IS A MINIMUM OF
48".
CURB RAMPS HAVE A MAXIMUM RISE OF 6" AND DO
NOT REQUIRE HANDRAILS.
ANY RAMP WITH GREATER THAN A 6" RISE SHALL
HAVE HANDRAILS ON BOTH SIDES AND CURBED EDGE
PROTECTION ON BOTH SIDES. EDGE PROTECTION
CONSISTS OF CURBS, WALLS, RAILINGS, OR
PROJECTING SURFACES THAT PREVENT PEOPLE FROM
SLIPPING OFF THE RAMP. HANDRAIL DETAILS SHALL
FOLLOW ACCESSIBLE GUIDELINES.
CURB RAMPS MUST HAVE A DETECTABLE WARNING
FEATURE EXTENDING THE FULL WIDTH AND DEPTH OF
THE RAMP (MID -WALK "IN -LINE" RAMPS ONLY NEED
DETECTABLE WARNINGS AT WALK/PARKING
TRANSITION). THE DETECTABLE SURFACE MUST
CONSIST OF RAISED TRUNCATED DOMES WITH A
DIAMETER OF NOMINAL 0.9 INCHES, A HEIGHT OF
NOMINAL 0.2 INCHES AND A CENTER -TO CENTER
SPACING OF NOMINAL 2.35 INCHES. THE TEXTURE OF
THE DETECTABLE WARNING FEATURE MUST CONTRAST
WITH THE SURROUNDING SURFACES (EITHER
LIGHT -ON -DARK OR DARK -ON -LIGHT). SEE ABOVE.
LOCAL JURISDICTION
THERE ARE LOCAL JURISDICTIONS
THAT SPECIFICALLY REQUIRE DETECTIBLE
WARNINGS ON THE SIDE FLARES. THERE ARE LOCAL
JURISDICTIONS THAT HAVE REDEFINED DETECTIBLE
WARNINGS (e.g. EXPOSED CONTRASTING COLOR
AGGREGATE, GROOVES IN A PARALLEL OR DIAMOND
PATTERN ETC.). ACCESSIBILITY GUIDLINES DEFINED BY
LOCAL ORDINANCE SHOULD SUPERSEDE WHEN MORE
STRINGENT THAN ADAAG. IN THE ABSENCE OF A
DEFINITION, FOLLOW ADAAG.
_ TRUNCATED DOME
LATEX OR EPDXY PAVERS W/ SEALED
MODIFIED CEMENT 6"(W/ PAVERS) GROUT JOINTS
MORTAR LEVELING
COURSE.-o"MIN. OR FULL RAMP
SECTION AT CURB RAMP WITH '
ALTERNATE TRUNCATED PAVERS W/DOMES
HANDICAP RAMP
NTS
PA VEMENT MARKINGS
1. PAINT SHALL BE PPG TRAFFIC AND ZONE MARKING PAINT,
11 LINE (ALKYD TYPE) AS MANUFACTURED BY PPG INDUSTRIES,
OR APPROVED EQUAL.
2. SURFACES SHALL BE FREE OF FA IS, OILS, GREASES OR OTHER
SUBSTANCES WHICH WOULD PREVENT PROPER BONDING OF PAINT
OR WHICH WOULD DAMAGE PAINT. SURFACES SHALL BE FREE OF
LOOSE OR LOOSEL Y ADHERING SUBSTANCES.
J. APPLY IN ACCORDANCE WITH MANUFACTURERS PRINTED INSTRUCTIONS
4. REMOVE ALL SPLATTER AND PAINT OUTSIDE OF REQUIRED AREAS.
5. INSTALL PARKING STRIPES, TRAFFIC ROUTING LINES AND HANDICAP
AS SHOWN ON DRAWINGS.
4"
*WHERE SLOPE CAN BE
REDUCED TO BELOW 5% BY
EXTENDING LENGTH (RUN)
OF SLOPE, INTEGRAL COLOR
CONCRETE AND DETECTABLE
WARNINGS CAN BE
MINIMIZED. THIS TYPICALLY
OCCURS AT THE ENDS OF
WALKS AWAY FROM OUR
ENTRY.
*RAMP DETAIL IS FOR INTERNAL*
*WALKWAYS ONLY*
NOT FOR STREET SIDEWALK RAMPS
— VARIES -
SEE SITE PLAN
CONCRETE SIDEWALK DETAIL
N. T. S.
VARIES — SEE SITE PLAN
*WALKWAY DETAIL IS FOR INTERNAL WALKWAYS ONLY*
NOT FOR STREET SIDEWALK
4"
SIDEWALK @ PAVEMENT DET.
N.T.S.
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Sheet No.
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25'
100' MIN. OR 4X CIRCUMFERENCE OF
LARGEST TIRE (WHICHEVER IS GREATER)
4" MIN. EXISTING
4" MIN. PAVEMENT
EXISTING
GROUND
EXISTING
GROUND
2"-3" CLEAN STONE
SIDE ELEVATION
100' MIN. OR 4X CIRCUMFERENCE OF LARGEST TIRE (WHICHEVER IS GREATER)_
25' MIN. SILT FENCE, F
OR CONSTRUCTION FENCE
RETURNS EACH SIDE i
PLAN VIEW
10' MIN. OR
25' RADIUS
EXISTING
PAVEMENT
10' MIN. OR
25' RADIUS
CONSTRUCTION SPECIFICATIONS
1. STONE - USE COARSE AGGREGATE (2-3 INCH STONE)
2. LENGTH - AS EFFECTIVE, BUT NOT LESS THAN 100 FEET
3. THICKNESS - NOT LESS THAN EIGHT(8) INCHES
4. WIDTH - NOT LESS THAN FULL WIDTH OF ALL POINTS OF INGRESS OR EGRESS
5. WASHING - WHEN NECESSARY, WHEELS SHALL BE CLEANED TO REMOVE SEDIMENT
PRIOR TO ENTRANCE ONTO PUBLIC RIGHT-OF-WAY. WHEN WASHING IS REQUIRED,
IT SHALL BE DONE ON AN AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS
INTO AN APPROVED SEDIMENT TRAP OR SEDIMENT BASIN. ALL SEDIMENT SHALL BE
PREVENTED FROM ENTERING ANY STORM DRAIN, DITCH, OR WATERCOURSE. THROUGH
USE OF SAND BAGS, GRAVEL, BOARDS OR OTHER APPROVED METHODS.
6. MAINTENANCE - THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL
PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO PUBLIC RIGHT-OF-WAY. THIS
MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE AS CONDITIONS DEMAND
AND REPAIR AND/OR CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT. ALL
SEDIMENT SPILLED, DROPPED, WASHED, OR TRACKED ONTO PUBLIC RIGHT-OF-WAY
MUST BE REMOVED IMMEDIATELY.
TEMPORARY CONSTRUCTION ENTRANCE
NTS
ni iTi rT ruin
NOT INCLUDED WITH SKIMMER NOTE: INLET SCREEN
SUPPLIED BY USER SCH 40 PIPE VARIES ON LARGER SKIMMERS
SEE CALCULATIONS FOR SKIMMER SIZE
SKIMMERS TO BE FAIRCLOTH SKIMMERS OR APPROVED EQUAL.
SKIMMER DETAIL
NTS
WIRE OR ZIP TIES
MIN. STRENGTH OF
50 PSI
METAL FENCE POSTS
1.25 LB/LF MIN REINFORCING WIRE FENCE
MINIMUM 14 GAUGE WIRE
MAX. MESH SPACING OF 6"
SILT —FENCE
OVER HOG WIRE SILT FENCE
■ 1.0 FT. ■
MIN.
FRONT VIEW
VARIES (SEE PLAN)
4' MAX METAL FENCE POSTS
CLASS B 1.25 LB/LF MIN
RIP RAP
oO��,,��SILT )900000noOOoOnoo no onono F FENCE
SILT
FENCE
ALL STONE TO J L NCDOT #5 OR
BE PLACED AT #57 WASHED
A 2:1 SLOPE WIRE OR ZIP TIES STONE
MIN. STRENGTH OF
50 PSI
TOP VIEW
MAINTENANCE REQUIREMENTS:
- INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL.
MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
- SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR
BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
- 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 MATERIAL AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE
AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS
BEEN PROPERLY STABILIZED.
NOTE:
- REFER TO SILT FENCE DETAIL FOR MORE INFORMATION.
SILT FENCE STONE OUTLET
N.T.S.
PLAN VIEW
STEEL POST
STAKE TO 4' O.C. TYP.—
SUPPORT WIRE, TYP.
SUPPORT ROPE OR WIRE TO
PREVENT SAGGING
��VAVAI &VAVAVA DAVAVA WVAV�� kVAVAVA VAVAVAI i&VAVA�� kVAVAVA WVAVAT, ANAM11'
IAJA
STEEL POST MIN. 24" IN___,` COIR MESH OR SIMILAR,
GROUND BELOW BOTTOM STAPLED OR TRENCHED
OF SED. TRAP SECTION ' X' INTO BOTTOM OR SIDE, TYP.
BAFFLES MADE OF 700 G/M COIR EROSION BLANKET
SIMILAR TO AND INSTALLED AS SEDIMENT FENCE. TYP OF
3 EA. BASIN, (2 IF BASIN IS 20' OR LESS IN LENGTH.)
SKIMMER WITH
IV,/ RETRIEVAL ROPE
CROSS SECTION
NOTE:
SIZE SHOWN IS WATER VOL.
W/RECOMMENDED SURFACE
AREA.
NOTE:
ALL SEDIMENT TRAPS SHALL BE CLEANED OUT
AFTER EACH SIGNIFICANT STORM. REPLACE
STONE AND FILTER STONE AS MAY BE
REQUIRED TO REFURBISH EACH SEDIMENT TRAP.
TEMPORARY SEDIMENT TRAP w/ SKIMMER
N.T.S.
GENERAL NOTES/MAINTENANCE REQUIREMENTS
1. AREA UNDER EMBANKMENT TO BE CLEANED, GRUBBED AND STRIPPED OF ANY
VEGETAION AND ROOT MAT.
2. FILL MATERIAL FOR THE EMBANKMENT SHALL BE FREE OF ROOTS OR OTHER
WOOD/VEGETATION AS WELL AS OVER -SIZED STONES, ROCKS, ORGANIC
MATERIAL OR OTHER OBJECTIONABLE MATERIAL. THE EMBANKMENT SHALL BE
COMPACTED IN NOT GREATER THAN 9" LIFTS BY TRAVERSING WITH
EQUIPMENT.
3. SEDIMENT SHALL BE REMOVED AND TRAP RESTORED TO IT ORIGINAL
DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO 1/2 THE DESIGN
DEPTH OF THE TRAP. THIS DEPTH SHALL BE MARKED IN THE FIELD.
4. REMOVED SEDIMENT SHALL BE PLACED IN A DESIGNATED DISPOSAL AREA AND
PROTECTED AGAINST EROSION.
5. THE WEIR MUST BE CONSTRUCTED LEVEL AND TO GRADE TO ASSURE DESIGN
6. STONES SHALL BE MACHINE PLACED AND SHOULD BE HARD, ANGULAR AND
WEATHER RESISTANT.
7. EMERGENCY SPILLWAY SHALL BE DIRECTED TO NATURAL, STABLE AREAS
8. ALL CUT AND FILL SLOPES SHALL BE 2:1 OR FLATTER.
9. ALL DISTURBED AREAS SHALL BE STABILIZED IMMEDIATELY UPON
COMPLETION OF CONSTRUCTION OF THE BASIN.
10. TRAP SHALL BE INSPECTED REGULARLY AND AFTER EACH RAINFALL WITH
REPAIRS MADE AS NECESSARY.
#67 FILTER
STONE
RIP —RAP PLACED
AROUND PIPE INLET
CLASS "A"
12"MIN RIP RAP FILTER STONE
SECTION
PLAN
RIP —RAP INLET PROTECTION STRUCTURE
N.T.S.
PIPE OUTLET TO FLAT,
NON -DEFINED CHANNEL
PIPE OUTLET TO
WELL-DEFINED CHANNEL
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N.T.S.
NTS
METAL FENCE POSTS
1.25 LB/LF MIN
REINFORCING WIRE FENCE
MINIMUM 14 GAUGE WIRE
MAX. MESH SPACING OF 6"
SILT FENCE FABRIC-----------,j
ATSM 6461 OR EQUIV.
WIRE OR ZIP TIES
18"-24"
2 1 MIN. STRENGTH OF
5'
MIN
q FEW 50 PSI
-00
I H "
BACKF LL TRENCH �-- -I
24" MIN
AND COMPACT
THROUGHLY
SECTION
CROSS
8' MAX W WIRE FENCE
6' MAX W/O WIRE FENCE
WIRE FENCE
`SILT FENCE
FABRIC
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KEY IN 8" DOWN
AND 4" FORWARD
WIRE OR
ZIP TIES EXISTING
GRADE
MAINTENANCE REQUIREMENTS:
- INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY
REQUIRED REPAIRS IMMEDIATELY.
- SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR BECOME
INEFFECTIVE, REPLACE IT PROMPTLY.
- 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 MATERIAL 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
5-0 MIN
♦'�.1'}������ ♦' �,1'�-��-��.ti�
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NORTH AMERICAN GREEN S150
OR EQUAL FOR TEMPORARY LINING
CLEAN WATER DITCH
NTS
PEPMANE-N T SEEDING
DEFINI TION
Seeding disturbed areas with perennial grasses and (or) legumes to provide a
permanent vegetative cover to lessen runoff and soil erosion.
To lessen soil erosion and permanently stabilize disturbed areas created by
grading of construction sites.
CONDITIONS WHERE PRACTICE APPLIES
All bare soil areas on construction sites which are not covered by structures
or other erosion control devices.
PREPARA TION
Prepare seedbed by ripping, chiseling, harrowing or plowing to depth of six
inches so as to produce a loose, friable surface. Remove all stones,
boulders, stumps or debris from the surface which would prohibit germination
or plant growth. Spread topsoil in a layer J" — 6" depth.
Incorporate into the soil 800 to 1,000 pounds of 10-10-10 fertilizer plus 500
pounds of twenty percent (209) superphosphate per acre and two tons of
dolomitic lime per acre unless soil tests indicate that a lower rate of lime
can be used.
Mulch after seeding with 1.5 tons of grain straw per acre and either crimp
straw into soil or tack with liquid asphalt at 400 gallons per acre or
emulsified asphalt at J00 gallons per acre.
PLANTS & MIXTURE
PLANTING RA TE/ACRE
PLANTING DATES
Tall Fescue
100-150 lbs.
Aq. 15 — Oct. 15
(Low Main ten an ce)
Feb. 15 — May 1
Tall fescue
200-250 lbs.
Aug. 15 — Oct. 15
Waterways and
Feb. 15 — May 1
Lawns (High Main t.)
Blend of two turf—
200-250 lbs.
Aug. 15 — Oct. 15
type tall Fescues
Feb. 15 — May I
(909) and two or
more improved
Ken tucky bluegrass
varieties (10q)
(high maintenance)
Tall Fescue
100 lbs.
Feb. 15 — May I
and
and
Aug. 15 — Oct. 15
Kobe or Korean
20-25 lbs.
Lespedeza
Tall Fescue
50 lbs./acre
No v. 1 — Feb. 1
(Unscarified)
Tall Fescue and
60 lbs.
July and August
German Mille t or
and
Sudangrass 2
JO lbs.
Tall Fescue
70 lbs.
No v. 1 —Jan. JO
and
and
Rye gra/n 2
25 lbs.
Common Bermudagrass
8 lbs. (hulled)
April 15 — June JO
15-20 lbs. (unhulled)
Feb. 1 — March JO
1 For spring seedings, use
Scarified Lespedeza seed. For late fall and
winter seedings, use unscarified seed.
2 Annuals such as Millet, Sudangrass and Ryegrain must be kept
at 10-12"
maximum h eigh t.
PERMANENT GROUNDCO VER
Permanent groundcover is
to be provided for all disturbed areas
within 15 working days
or 90 calender days (whichever is shorter) following completion of construction
or de velopm en t.
TEMPORARY SEEDING SPECIFICATIONS
PIEDMONT REGION
Application Rates (lb/ac)
Recommended
Species
10-10-10
Agriculural
Straw
Seeding Dates
Seed
Fertilizer
Limestone
Jan. 1 — May 1
Winter Wheat
Annual Lespedeza
120
50
750
2,000
4,000
(Kobe)
May 1 — Aug 15
German Millet
40
750
2,000
4,000
Aug 15 — Dec 30
Ryegrain
120
1,000
2,000
4,000
COMPACTED SOIL
OR STONE I 2' MIN.
3:1 max(stone)
FLOC
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CONSTRUCTION SPECIFICATIONS
REMOVE AND PROPERLY DISPOSE OF ALL TREES, BRUSH, STUMPS, AND OTHER
OBJECTIONAL MATERIAL.
ENSURE THAT THE MINIMUM CONSTRUCTED CROSS SECTION MEETS ALL DESIGN
REQUIREMENTS.
ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER AT ANY POINT THAN THE
DESIGN ELEVATION PLUS THE SPECIFIED SETTLEMENT.
PROVIDE SUFFICIENT ROOM AROUND DIVERSIONS TO PERMIT MACHINE
REGRADING AND CLEANOUT.
VEGETATE THE RIDGE IMMEDIATELY AFTER CONSTRUCTION, UNLESS IT WILL
REMAIN IN PLACE LESS THAN 30 WORKING DAYS.
MAINTENANCE
INSPECT TEMPORARY DIVERSION ONCE A WEEK AND AFTER EVERY RAINFALL.
IMMEDIATELY REMOVE SEDIMENT FROM THE FLOW AREA AND REPAIR THE
DIVERSION RIDGE. CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS
NEEDED. WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED, REMOVE THE
RIDGE AND THE CHANNEL TO BLEND WITH THE NATURAL GROUND LEVEL END
APPROPRIATELY STABILIZE IT.
TEMPORARY DIVERSION DITCH
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Sheet No.

GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH
THE NCGO1 CONSTRUCTION GENERAL PERMIT
Implementing the details and specifications on this plan sheet will result in the construction
activity being considered compliant with the Ground Stabilization and Materials Handling
sections of the NCGO1 Construction General Permit (Sections E and F, respectively). The
permittee shall comply with the Erosion and Sediment Control plan approved by the
delegated authority having jurisdiction. All details and specifications shown on this sheet
may not apply depending on site conditions and the delegated authority having jurisdiction.
SECTION E: GROUND STABILIZATION
Required Ground Stabilization
Timeframes
Stabilize within this
Site Area Description
many calendar
Timeframe variations
days after ceasing
land disturbance
(a) Perimeter dikes,
swales, ditches, and
7
None
perimeter slopes
(b) High Quality Water
7
None
(HQW) Zones
(c) Slopes steeper than
If slopes are 10' or less in length and are
3:1
7
not steeper than 2:1, 14 days are
allowed
-7 days for slopes greater than 50' in
length and with slopes steeper than 4:1
-7 days for perimeter dikes, swales,
(d) Slopes 3:1 to 4:1
14
ditches, perimeter slopes and HQW
Zones
-10 days for Falls Lake Watershed
-7 days for perimeter dikes, swales,
(e) Areas with slopes
ditches, perimeter slopes and HQW Zones
flatter than 4:1
14
-10 days for Falls Lake Watershed unless
there is zero slope
Note: After the permanent cessation of construction activities, any areas with temporary
ground stabilization shall be converted to permanent ground stabilization as soon as
practicable but in no case longer than 90 calendar days after the last land disturbing
activity. Temporary ground stabilization shall be maintained in a manner to render the
surface stable against accelerated erosion until permanent ground stabilization is achieved.
GROUND STABILIZATION SPECIFICATION
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the
techniques in the table below:
Temporary Stabilization
Permanent Stabilization
• Temporary grass seed covered with straw or
• Permanent grass seed covered with straw or
other mulches and tackifiers
other mulches and tackifiers
• Hydroseeding
• Geotextile fabrics such as permanent soil
• Rolled erosion control products with or
reinforcement matting
without temporary grass seed
• Hydroseeding
• Appropriately applied straw or other mulch
• Shrubs or other permanent plantings covered
• Plastic sheeting
with mulch
• Uniform and evenly distributed ground cover
sufficient to restrain erosion
• Structural methods such as concrete, asphalt or
retaining walls
• Rolled erosion control products with grass seed
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS
1. Select flocculants that are appropriate for the soils being exposed during
construction, selecting from the NC DWR List of Approved PAMS/Flocculants.
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved
PAMS/Flocculants and in accordance with the manufacturer's instructions.
4. Provide ponding area for containment of treated Stormwater before discharging
offsite.
5. Store flocculants in leak -proof containers that are kept under storm -resistant cover
or surrounded by secondary containment structures.
EQUIPMENT AND VEHICLE MAINTENANCE
1. Maintain vehicles and equipment to prevent discharge of fluids.
2. Provide drip pans under any stored equipment.
3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the
project.
4. Collect all spent fluids, store in separate containers and properly dispose as
hazardous waste (recycle when possible).
5. Remove leaking vehicles and construction equipment from service until the problem
has been corrected.
6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products
to a recycling or disposal center that handles these materials.
LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE
1. Never bury or burn waste. Place litter and debris in approved waste containers.
2. Provide a sufficient number and size of waste containers (e.g dumpster, trash
receptacle) on site to contain construction and domestic wastes.
3. Locate waste containers at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
4. Locate waste containers on areas that do not receive substantial amounts of runoff
from upland areas and does not drain directly to a storm drain, stream or wetland.
5. Cover waste containers at the end of each workday and before storm events or
provide secondary containment. Repair or replace damaged waste containers.
6. Anchor all lightweight items in waste containers during times of high winds.
7. Empty waste containers as needed to prevent overflow. Clean up immediately if
containers overflow.
8. Dispose waste off -site at an approved disposal facility.
9. On business days, clean up and dispose of waste in designated waste containers.
PAINT AND OTHER LIQUID WASTE
1. Do not dump paint and other liquid waste into storm drains, streams or wetlands.
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
3. Contain liquid wastes in a controlled area.
4. Containment must be labeled, sized and placed appropriately for the needs of site.
5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from
construction sites.
PORTABLE TOILETS
1. Install portable toilets on level ground, at least 50 feet away from storm drains,
streams or wetlands unless there is no alternative reasonably available. If 50 foot
offset is not attainable, provide relocation of portable toilet behind silt fence or place
on a gravel pad and surround with sand bags.
2. Provide staking or anchoring of portable toilets during periods of high winds or in high
foot traffic areas.
3. Monitor portable toilets for leaking and properly dispose of any leaked material.
Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
with properly operating unit.
EARTHEN STOCKPILE MANAGEMENT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least
50 feet away from storm drain inlets, sediment basins, perimeter sediment controls
and surface waters unless it can be shown no other alternatives are reasonably
available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of
five feet from the toe of stockpile.
3. Provide stable stone access point when feasible.
4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
with the approved plan and any additional requirements. Soil stabilization is defined
as vegetative, physical or chemical coverage techniques that will restrain accelerated
erosion on disturbed soils for temporary or permanent control needs.
NORTH CAROLINA
ti5'" aIE' Environmental Quality
ONSITE CONCRETE WASHOUT
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1. Do not discharge concrete or cement slurry from the site.
2. Dispose of, or recycle settled, hardened concrete residue in accordance with local
and state solid waste regulations and at an approved facility.
3. Manage washout from mortar mixers in accordance with the above item and in
addition place the mixer and associated materials on impervious barrier and within
lot perimeter silt fence.
4. Install temporary concrete washouts per local requirements, where applicable. If an
alternate method or product is to be used, contact your approval authority for
review and approval. If local standard details are not available, use one of the two
types of temporary concrete washouts provided on this detail.
5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
sections. Stormwater accumulated within the washout may not be pumped into or
discharged to the storm drain system or receiving surface waters. Liquid waste must
be pumped out and removed from project.
6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
can be shown that no other alternatives are reasonably available. At a minimum,
install protection of storm drain inlet(s) closest to the washout which could receive
spills or overflow.
7. Locate washouts in an easily accessible area, on level ground and install a stone
entrance pad in front of the washout. Additional controls may be required by the
approving authority.
8. Install at least one sign directing concrete trucks to the washout within the project
limits. Post signage on the washout itself to identify this location.
9. Remove leavings from the washout when at approximately 75% capacity to limit
overflow events. Replace the tarp, sand bags or other temporary structural
components when no longer functional. When utilizing alternative or proprietary
products, follow manufacturer's instructions.
10. At the completion of the concrete work, remove remaining leavings and dispose of
in an approved disposal facility. Fill pit, if applicable, and stabilize any disturbance
caused by removal of washout.
HERBICIDES, PESTICIDES AND RODENTICIDES
1. Store and apply herbicides, pesticides and rodenticides in accordance with label
restrictions.
2. Store herbicides, pesticides and rodenticides in their original containers with the
label, which lists directions for use, ingredients and first aid steps in case of
accidental poisoning.
3. Do not store herbicides, pesticides and rodenticides in areas where flooding is
possible or where they may spill or leak into wells, stormwater drains, ground water
or surface water. If a spill occurs, clean area immediately.
4. Do not stockpile these materials onsite.
HAZARDOUS AND TOXIC WASTE
1. Create designated hazardous waste collection areas on -site.
2. Place hazardous waste containers under cover or in secondary containment.
3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
NCGO1 GROUND STABILIZATION AND MATERIALS HANDLING
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION A: SELF -INSPECTION
Self -inspections are required during normal business hours in accordance with the table
below. When adverse weather or site conditions would cause the safety of the inspection
personnel to be in jeopardy, the inspection may be delayed until the next business day on
which it is safe to perform the inspection. In addition, when a storm event of equal to or
greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall be
performed upon the commencement of the next business day. Any time when inspections
were delayed shall be noted in the Inspection Record.
Frequency
Inspect
(during normal
Inspection records must include:
business hours)
(1) Rain gauge
Daily
Daily rainfall amounts.
maintained in
If no daily rain gauge observations are made during weekend or
good working
holiday periods, and no individual -day rainfall information is
order
available, record the cumulative rain measurement for those un
attended days (anc this will determine if a site inspection is
needed). Days on which no rainfall occurred shall be recorded as
"zero." The permittee may use another rain -monitoring device
approved by the Division.
(2) E&SC
At least once per
1. Identification of the measures inspected,
Measures
7 calendar days
2. Date and time of the inspection,
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Indication of whether the measures were operating
event > 1.0 inch in
properly,
24 hours
5. Description of maintenance needs for the measure,
6. Description, evidence, and date of corrective actions taken.
(3) Stormwater
At least once per
1. Identification of the discharge outfalls inspected,
discharge
7 calendar days
2. Date and time of the inspection,
outfalls (SDCs)
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Evidence of indicators of Stormwater pollution such as oil
event > 1.0 inch in
sheen, floating or suspended solids or discoloration,
24 hours
5. Indication of visible sediment leaving the site,
6. Description, evidence, and date of corrective actions taken.
(4) Perimeter of
At least once per
If visible sedimentation is found outside site limits, then a record
site
7 calendar days
of the following shall be made:
and within 24
1. Actions taken to clean up or stabilize the sediment that has left
hours of a rain
the site limits,
event > 1.0 inch in
2. Description, evidence, and date of corrective actions taken, and
24 hours
3. An explanation as to the actions taken to control future
releases.
5 Streams or
()
At least once per
If the stream or wetland has increased visible sedimentation or a
wetlands onsite
7 calendar days
stream has visible increased turbidity from the construction
or offsite
and within 24
activity, then a record of the following shall be made:
(where
hours of a rain
1. Description, evidence and date of corrective actions taken, and
accessible)
event > 1.0 inch in
2. Records of the required reports to the appropriate Division
24 hours
Regional Office per Part III, Section C, Item (2)(a) of this permit.
6 Ground
(I
After each phase
P
1. The phase of grading installation of perimeter E&SC
P g g(
stabilization
of grading
measures, clearing and grubbing, installation of storm
measures
drainage facilities, completion of all land -disturbing
activity, construction or redevelopment, permanent
ground cover).
2. Documentation that the required ground stabilization
measures have been provided within the required
timeframe or an assurance that they will be provided as
soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION B: RECORDKEEPING
1. E&SC Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept on the site. The
approved E&SC plan must be kept up-to-date throughout the coverage under this permit
The following items pertaining to the E&SC plan shall be kept on site and available for
inspection at all times during normal business hours.
Item to Document
Documentation Requirements
(a) Each E&SC measure has been installed
Initial and date each E&SC measure on a copy
and does not significantly deviate from the
of the approved E&SC plan or complete, date
locations, dimensions and relative elevations
and sign an inspection report that lists each
shown on the approved E&SC plan.
E&SC measure shown on the approved E&SC
plan. This documentation is required upon the
initial installation of the E&SC measures or if
the E&SC measures are modified after initial
installation.
(b) A phase of grading has been completed.
Initial and date a copy of the approved E&SC
plan or complete, date and sign an inspection
report to indicate completion of the
construction phase.
(c) Ground cover is located and installed
Initial and date a copy of the approved E&SC
in accordance with the approved E&SC
plan or complete, date and sign an inspection
plan.
report to indicate compliance with approved
ground cover specifications.
(d) The maintenance and repair
Complete, date and sign an inspection report.
requirements for all E&SC measures
have been performed.
(e) Corrective actions have been taken
Initial and date a copy of the approved E&SC
to E&SC measures.
plan or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
2. Additional Documentation to be Kept on Site
In addition to the E&SC plan documents above, the following items shall be kept on the
site and available for inspectors at all times during normal business hours, unless the
Division provides a site -specific exemption based on unique site conditions that make
this requirement not practical:
(a) This General Permit as well as the Certificate of Coverage, after it is received.
(b) Records of inspections made during the previous twelve months. The permittee shall
record the required observations on the Inspection Record Form provided by the
Division or a similar inspection form that includes all the required elements. Use of
electronically -available records in lieu of the required paper copies will be allowed if
shown to provide equal access and utility as the hard -copy records.
3. Documentation to be Retained for Three Years
All data used to complete the e-NOI and all inspection records shall be maintained for a period
of three years after project completion and made available upon request. [40 CFR 122.41]
PART II, SECTION G, ITEM (4)
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down
for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare (for example, times with extended cold weather).
Non -surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met:
(a) The E&SC plan authority has been provided with documentation of the non -surface withdrawal and the specific time periods or conditions in which it will occur. The non -surface withdrawal
shall not commence until the E&SC plan authority has approved these items,
(b) The non -surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit,
(c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include
properly sited, designed and maintained dewatering tanks, weir tanks, and filtration systems,
(d) Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item (c) above,
(e) Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and
(f) Sediment removed from the dewatering treatment devices described in Item (c) above is disposed of in a manner that does not cause deposition of sediment into waters of the United States.
EFFECTIVE: 04/01 / 19
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION C: REPORTING
1. Occurrences that Must be Reported
Permittees shall report the following occurrences:
(a) Visible sediment deposition in a stream or wetland.
(b) Oil spills if:
• They are 25 gallons or more,
• They are less than 25 gallons but cannot be cleaned up within 24 hours,
• They cause sheen on surface waters (regardless of volume), or
• They are within 100 feet of surface waters (regardless of volume).
(c) Releases of hazardous substances in excess of reportable quantities under Section 311
of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA
(Ref: 40 CFR 302.4) or G.S. 143-215.85.
(d) Anticipated bypasses and unanticipated bypasses.
(e) Noncompliance with the conditions of this permit that may endanger health or the
environment.
2. Reporting Timeframes and Other Requirements
After a permittee becomes aware of an occurrence that must be reported, he shall contact
the appropriate Division regional office within the timeframes and in accordance with the
other requirements listed below. Occurrences outside normal business hours may also be
reported to the Department's Environmental Emergency Center personnel at (800)
858-0368.
Occurrence
Reporting Timeframes (After Discovery) and Other Requirements
(a) Visible sediment
• Within 24 hours, an oral or electronic notification.
deposition in a
• Within 7 calendardays, a report that contains a description of the
stream or wetland
sediment and actions taken to address the cause of the deposition.
Division staff may waive the requirement for a written report on a
case -by -case basis.
• If the stream is named on the NC 303(d) list as impaired for sediment -
related causes, the permittee may be required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure compliance
with the federal or state impaired -waters conditions.
(b) Oil spills and
• Within 24 hours, an oral or electronic notification. The notification
release of
shall include information about the date, time, nature, volume and
hazardous
location of the spill cr release.
substances per Item
1(b)-(c) above
(c) Anticipated
• A report at least ten days before the date of the bypass, if possible.
bypasses [40 CFR
The report shall include an evaluation of the anticipated quality and
122.41(m)(3)]
effect of the bypass.
(d) Unanticipated
• Within 24 hours, an oral or electronic notification.
bypasses [40 CFR
• Within 7 calendardays, a report that includes an evaluation of the
122.41(m)(3)]
quality and effect of the bypass.
(e) Noncompliance
• Within24hours, an oral or electronic notification.
with the conditions
• Within 7 calendar days, a report that contains a description of the
of this permit that
noncompliance, and its causes; the period of noncompliance,
may endanger
including exact dates and times, and if the noncompliance has not
health or the
been corrected, the anticipated time noncompliance is expected to
environment[40
continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(I)(7)]
prevent reoccurrence of the noncompliance. [40 CFR 122.41(I)(6).
• Division staff may waive the requirement for a written report on a
case -by -case basis.
NORTH CAROLINA
' Environmental Quality
NCGO1 SELF -INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19I
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