NCG021003_Site Plans 3_20220830

14 GA. o
MESH FOR w
)ARD FABRIC i cv
STEEL POST
WIRE MESH FOR STANDARD FABRIC
STANDARD OR EXTRA STRENGTH
FILTER FABRIC
---DIRECTION OF WATER FLOW
ANCHOR FABRIC SKIRT
MIN. 8" DEEP & 4" WIDE.
NOTES:
1. SYN. FENCE FABRIC SHALL BE MIN. OF 30" IN WIDTH
WITH 30 LB/IN TENSILE STRENGTH FOR STANDARD FABRIC
AND 50 LB/IN FOR EXTRA STRENGTH.
2. FABRIC SHALL BE CONTINUOUS LENGTH. IF JOINTS ARE
NECESSARY, LAP FABRIC POST TO POST.
3. STEEL POST SHALL BE MIN 4' IN HEIGHT AND BE OF THE
SELF -FASTENER STEEL ANGLE TYPE.
TEMPORARY SILT FENCE
NTS
TOP BANK ELEV.
VARIES FROM 38' TO 30'
MINE RECLAMATION' 1 L
BACKSLOPE 3
NTS
\ I -\FINAL NORMAL WATER ELEVATION
AVERAGE
DEPTH = 35'
1 L__2- j
BOTTOM ELEV. VARIES
FROM 8' TO 0'
NOTES:
1. DEPTH OF MINE WILL BE DICTATED BY SUITABLE MATERIAL.
2. AT RECLAMATION ALL BANKS ABOVE NORMAL WATER WILL BE
SLOPED & GRADED AT 4:1 & STABILIZED WITH GRASSING.
HAUL ROAD SECTION
NTS
TEMPORARY/PERMANENT
GRASS SPECIFICATION
1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER
ADVERSE SOIL CONDITIONS.
2. RIP THE ENTIRE AREA TO A 6 INCH DEPTH.
3. REMOVE ALL ROCKS, ROOTS AND OTHER OBSTRUCTIONS LEAVING SURFACES
SMOOTH AND UNIFORM.
4. APPLY AGRICULTURAL LIME AND FERTILIZER UNIFORMLY AND MIX WITH SOIL.
LIME: 45 LBS. PER 1000 S.F.
PHOSPHOROUS: 20 LBS PER 1000 S.F.
FERTILIZER: 17 LBS. PER 1000 S.F.
5. CONTINUE TILLAGE UNTIL A WELL PULVERIZED, FIRM, UNIFORM SEED BED IS
PREPARED 4-6 INCHES DEEP.
6. SEED ON A FRESHLY PREPARED SEED BED AND COVER SEED LIGHTLY.
2 - 3 LBS PER 1000 S.F. (SEE MIXTURE BELOW)
7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH,
GRAIN STRAW & HAY AT 75 TO 100 LBS PER 1000 S.F.
WOOD CHIPS AT 500 LBS. PER 1000 S.F.
JUTE & MESH AS PER MANUFACTURER
8. ASPHALT FOR ANCHORING MULCH SHALL BE TYPE SS-1 EMULSION AND
APPLIED AT A RATE OF 1000 GAL. PER ACRE FOR SLOPE STABILIZATION,
AND 150 GAL. PER TON OF STRAW FOR ANCHORING STRAW.
9. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEED
WITHIN THE PLANTING SEASON, IF POSSIBLE. IF GRASS STAND SHOULD BE
OVER 60% DAMAGED, REESTABUSH FOLLOWING ORIGINAL LIME, FERTILIZER
AND SEEDING RATES,
10. CONSULT CONSERVATION INSPECTOR ON MAINTENANCE, TREATMENT, AND
FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED.
11. SEED FOR TEMPORARY AND PERMANENT APPLICATIONS SHALL BE:
20% CARPET GRASS
247 BERMUDA GRASS
20% TURF FESCUE 10% CREEPING RED FESCUE
247 ANNUAL RYE GRAIN
*BERMUDA SEED SHALL BE HULLED FOR WARM WEATHER
PLANTING. PURITY OF SEED SHALL BE A MIN. OF 98% AND
GERMINATION SHALL BE A MIN. OF 85%.
ALL DISTURBED AREA SHALL BE SEEDED WITHIN 15 DAYS OF THE COMPLETION OF
GRADING. CONSULT CONSERVATION ENGINEER OR SOIL CONSERVATION SERVICE FOR
ADDITIONAL INFORMATION CONCERNING OTHER ALTERNATIVES FOR VEGETATION OF
DENUDED AREAS. THE ABOVE VEGETATION RATES ARE THOSE WHICH DO WELL
UNDER LOCAL CONDITIONS, OTHER SEEDING SCHEDULES MAY BE POSSIBLE.
NPDES STABILIZATION TIMEFRAMES
SITE AREA DESCRIPTION
STABILIZATION
TIMEFRAME EXCEPTIONS
PERIMETER DIKES, SWALES, DITCHES AND SLOPES
7 DAYS
NONE
HIGH QUALITY WATER (HOW) ZONES
7 DAYS
NONE
SLOPES STEEPER THAN 3:1
7 DAYS
IF SLOPES ARE 10 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
PUMPING SPECIFICATIONS:
MAKE
GODWIN
SIZE
4"
HOURS OF OPERATION
M-F 8AM-5PM
NEAREST WELL
N/A
NOTE: USE CLASS A RIP RAP INSIDE STILLING BASIN
6�
WI
0
z
V)
Iw
SITE WORK NOTES:
>
1. THE CONTRACTOR SHALL VISIT THE SITE TO BECOME FAMILIAR WITH FIELD
CONSTRUCTION CONDITIONS.
2. CONTRACTOR SHALL COORDINATE WORK WITHIN NCDOT AND LOCAL RIGHT
OF WAYS WITH PROPER AUTHORITIES AND SHALL MEET ANY REQUIREMENTS
AS TO TRAFFIC CONTROL AND CONNECTION TO EXISTING STREETS.
3. CLEARING AND GRUBBING: REMOVE ALL TREES AS REQUIRED UNLESS
OTHERWISE NOTED TO REMAIN, STUMPS, ROOTS, SHRUBBERY, ASPHALT,
CONCRETE, STRUCTURES, BURIED UTILITIES, STORAGE TANKS, ETC. WITHIN
z
LIMITS OF CONSTRUCTION.
O
4. STRIPPING: BEFORE EXCAVATING OR FILLING, REMOVE ALL TOPSOIL,
WOOD, LEAVES, AND ANY OTHER UNSUITABLE MATERIAL.
5. MUCKING: REMOVE ANY SOFT, ORGANIC SILT MATERIALS AND EXISTING
BURIED CONSTRUCTION DEBRIS AS REQUIRED AND FILL TO SUBGRADE
0Z
ELEVATIONS WITH A CLEAN SELECT -FILL COMPACTED AS SPECIFIED.
w Z
O
6. DISPOSAL: CLEARED, GRUBBED, STRIPPED OR EXCAVATED SPOIL SHALL
!n
BE REMOVED FROM SITE AND DISPOSED OF IN ACCORDANCE WITH ALL
APPLICABLE
�j
LOCAL AND STATE CODES.
0
cvCif
7. BORROW MATERIAL: THE CONTRACTOR SHALL FURNISH BORROW
Rr
MATERIAL REQUIRED FROM OFF SITE AND 013TAIN ALL REQUIRED PERMITS
elf
co
ASSOCIATED WITH BORROW OPERATIONS.
O
z
cm
8. FILL AND COMPACTION: AFTER STRIPPIN 3 THOSE AREAS DESIGNATED TO
RECEIVE FILL SHOULD BE PROOFROLLED. TI• E TOP 8" OF SUBGRADE SHALL
w N
BE COMPACTED TO AT LEAST 98% OF MAXIMUM DENSITY AT OPTIMUM
Q N
MOISTURE CONTENT. ANY AREA WHICH PUMPS OR RUTS EXCESSIVELY
SHOULD
O Ncc
BE UNDERCUT AND REPLACED WITF A CLEAN, SILTY OR CLAYEY
Q
SAND HAVING A UNIFIED SOIL CLASSIFICATION OF SP, SM, OR SC. FILL
co
MATERIAL 5" OUTSIDE OF BUILDING AREAS SHALL THEN BE PLACED IN
LAYERS NOT TO EXCEED 8" AND COMPACTED TO AT LEAST 95% OF THE
m
STANDARD PROCTOR MAXIMUM DRY DENSITY (ASTM D-698) WITH THE
UPPER
12 INCHES OF SUBGRADE BEING COMPACTED TO 98% OF THE
N
STANDARD PROCTOR MAXIMUM DRY DENSITY. FILL MATERIALS WITHIN
Q
CC Z
BUILDING AREAS TO A LINE OUTSIDE THE BUILDING AREAS SHALL BE
PLACED IN LAYERS NOT TO EXCEED 8" AND COMPACTED TO AT LEAST 98%
OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY (ASTM D-698) WITH
THE UPPER 12 INCHES OF SUBGRADE BEING COMPACTED IN 6 INCH
LAYERS TO 100% OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY. IN
AREAS WHERE NO STRUCTURAL FILL IS TO 13E PLACED THE UPPER 12
INCHES OF IN
-PLACE SUBGRADE SHOULD BE COMPACTED TO AT LEAST 98%
OF THE STANDARD
PROCTOR MAXIMUM DRY DENSITY. IF THE MATERIAL IS
U.
TOO DRY TO COMPACT TO THE REQUIRED D-NSITY EACH LAYER SHALL BE
WETTED
IN ACCORDANCE WITH COMPACTION REQUIREMENTS. IF THE MATERIAL
IS TOO WET TO SECURE PROPER COMPACTION, IT SHALL BE HARROWED
REPEATEDLY OR OTHERWISE AERATED WITH SUITABLE EQUIPMENT UNTIL
OPTIMUM MOISTURE CONTENT IS OBTAINED. I"ILL SHALL BE PLACED IN SUCH
A MANNER THAT THE SURFACE WILL DRAIN READILY AT ALL TIMES. SEE
STRUCTURAL NOTES AND SOILS REPORT FOR ADDITIONAL REQUIREMENTS.
W
9. LAYOUT: THE CONTRACTOR SHALL PROVIDE ALL LAYOUT REQUIRED TO
CONSTRUCT HIS WORK.
10, THE CONTRACTOR IS RESPONSIBLE FOR THE LOCATION AND PROTECTION
OF EXISTING UTILITIES DURING CONSTRUCTION.
11. EXISTING BOUNDARY INFORMATION BY GIS & AERIAL PHOTOGRAPHY AND
PROVIDED BY OWNER.
12. THE CONTRACTOR SHALL VERIFY DIMENSIDNS AT JOBSITE.
13. THE CONTRACTOR IS RESPONSIBLE FOR THE COORDINATION OF
RELOCATION OR DISCONNECTION OF ALL EXISTING UTILITIES WITH
APPLICABLE AGENCIES AND AUTHORITIES.
14. ALL PAVEMENT AND BASE MATERIALS AND WORKMANSHIP SHALL
CONFORM TO NCDOT STANDARDS.
15. ALL AREAS SHALL BE GRADED FOR POSITIVE DRAINAGE.
0
16. CONTRACTOR SHALL NOTE THAT EARTHWORK QUANTITIES ARE HIS
RESPONSIBILITY. PLANS DO NOT REPRESENT A BALANCED EARTHWORK
CONDITION.
LU
r
O
EROSION CONTROL NOTES AND
N
o Z m
MAINTENANCE PLAN
1. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED FOR
STABILITY AND OPERATION FOLLOWING EVERY RUNOFF -PRODUCING RAINFALL,
vx�
BUT IN NO CASE, LESS THAN ONCE EVERY WEEK AND WITHIN 24 HOURS OF
�+
EVERY HALF -INCH RAINFALL.
2.
z
O
ALL POINTS OF EGRESS WILL HAVE CONSTRUCTION ENTRANCES THAT WILL
x
BE PERIODICALLY TOP -DRESSED WITH AN ADDITIONAL 2 INCHES OF #4 STONE
W
9
TO MAINTAIN PROPER DEPTH. THEY WILL BE MAINTAINED IN A CONDITION TO
W
a
PREVENT MUD OR SEDIMENT FROM LEAVING THE SITE. IMMEDIATELY REMOVE
OBJECTIONABLE MATERIAL
x
SPILLED WASHED OR TRACKED ONTO THE
Z
C
CONSTRUCTION ENTRANCE OR ROADWAYS.
3. DIVERSION DITCHES WILL BE CLEANED CUT IMMEDIATELY TO REMOVE
rh
a
SEDIMENT OR OBSTRUCTIONS FROM THE FLOW AREA. THE DIVERSION RIDGES
Z
r
WILL ALSO BE REPAIRED. SWALES MUST BE TEMPORARILY STABILIZED WITHIN
W
21 CALENDAR DAYS OF CEASE OF ANY PHASI. OF ACTIVITY ASSOCIATED WITH A
SWALE.
rrr hhh
4. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN
IT BECOMES HALF
�k
FILLED. THE SEDIMENT FENCE WILL BE REPAIRED AS
NECESSARY TO MAINTAIN A BARRIER.
STAKES MUST BE STEEL. STAKE
SPACING WILL BE 6 FEET MAX. WITH THE USE: OF EXTRA STRENGTH FABRIC,
M
WITHOUT WIRE BACKING. STAKE SPACING WIL_ BE 8 FEET
n
MAX. WHEN
STANDARD STRENGTH FABRIC AND WIRE BACKING ARE USED. IF ROCK FILTERS
N
p1 V o
ARE DESIGNED AT LOW POINTS IN THE SEDIMENT FENCE, THE ROCK WILL BE
Z a
REPAIRED OR REPLACED IF IT BECOMES HALF -FULL OF SEDIMENT, NO LONGER
Z
O m
DRAINS AS DESIGNED OR IS DAMAGED.
5.
^
O OF o
ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND
•J
MULCHED, ACCORDING TO SPECIFICATIONS IN -THE VEGETATIVE PLAN, TO
V
(� a
MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER. ALL SLOPES WILL BE
z w
STABILIZED WITHIN 21 CALENDAR DAYS. ALL OTHER AREAS WILL BE STABILIZED
WITHIN 15 WORKING DAYS. : WATER QUALITY REQUIRES ALL SEEDED AREAS
Z
O
WILL BE FERTILIZED, RESEEDED AS NECESSARY AND MULCHED ACCORDING TO
S
oy W
SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS, DENSE
VEGETATIVE COVER. ALL PERIMETER DIKES, SWALES, HORIZONTAL TO 'DITCHES,
PERIMETER SLOPES, ALL SLOPES STEEPER THAN 3 VERTICAL (3:1) AND ALL
HIGH QUALITY WATER (HOW) ZONES SHALL BE '1 PROVIDED TEMPORARY OR
PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT
IN ANY EVENT WITHIN SEVEN (7) CALENDAR DAYS FROM THE LAST
LAND -DISTURBING ACTIVITY. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED
TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS
PRACTICABLE BUT IN ANY EVENT WITHIN FOURTEEN (14) CALENDAR DAYS FROM
THE LAST LAND -DISTURBING ACTIVITY.
6. FLOCCULANTS WILL BE USED TO ADDRESS TURBIDITY ISSUES, THE
PUMPS, TANKS, HOSES AND INJECT SYSTEMS WILL BE CHECKED FOR
Licence
#C-3641
PROBLEMS OR TURBID DISCHARGES DAILY.
127
I
m
Ar