NCC221421_Site Plan or Location Map_20220413

SITE DATA
PARCEL ID: R07100-003-046-000,
R07100-003-568-000,
R07100-003-567-000
I
CURRENT ZONING: R-5 (PERFORMANCE RESIDENTIAL)
/ \ PROJECT ADDRESS: 46o6, 4618, 4626 S. COLLEGE RD.
�WILMINGTON, NC 28412
.01
1 / / CURRENT OWNER: RIVER BIRCH INVESTMENTS, LLC
I \
PO BOX 538
\ 1 WRIGHTSVILLE BEACH, NC 28480
TOTAL ACREAGE IN PROJECT BOUNDARY: 225,432 S.F. (t5.18 AC.)
TOTAL DISTURBED AREA: t4.8 AC.
CO \
O
x I E ++ p.., a I CEDAR COVE
PROPERTIES, LLC I / I I EXT.R. SSMH NO.1B
W p aU W pa DB 5793, PG 2287 \ I -T� LINE WITH EXCELSIOR MAT AND SEED I.E. 21.23
i
C7 °U", N \ _ cIAS n ,r E-I PER SPECIFICATIONS IMMEDIATELY
Q p Q - - - - 1-Vl T T \ AFTER PIPE INSTALLATION.
Q \ NF V \ / EX. SSMH NO. 1C
Z, f PROPOSED WET DETENTION BASIN O \ INSTALL WATTLE IN FRONT OF FES.
~ N O TOB: 25.0 pU TnT CFPUA PROJECT # 3134o6.006
�v V 5
N FP: 22.5 I 2 - - - - - - - - - $LICK \ y \ CI T.R. 2 66
U Q o NP: u.25 I I I.E. 1.27 30' DRAINAGE EASEMENT \ �� \ / BOC 26.06' I.E. 21.26
f / 18" RCP I.E. 23.36'
G� o BTM: 16.o OMMON A EA PEN SPACE \ 18" PPES MATCH EX. SWALE
�O W SILVE CREEK J NE OVE 2 'FES / INV: f23.o W/ 5' X 10' X 12" ED
24" CPP DB zog1, PG 757 \ FES o ❑ AT BOX
OUTLET STRUCTURE CI#5I.E. 26' F
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4, AS I OPEN SPACE 26'55 r pI � I I I I I RIM. 25 o I EX. SSMHN0.1D
EMERGENCY SPILLWAY I I I I' E.
I I � - / F
6, � I INV: 22.4 I I Zc o� _ .- � T.R. 25.62
INV: 24.6 E �NN RETAINING WALL 20B 20A 19B 19A 18B 18AI1'7B I17A I16 B I16AI15B I15A I14B I14AI13B I13AI12B I12AI 11B I11A I10B I10AI B r A 18B 18A I $ I A 16B 16A I B I I I I c - I SSMH #1B I I I �' L°$Yip LE.21.66
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w - 22-L-22 sS--«-�-0 - - - - - - C7 - S - - - - �- c �5 5 G� �1 RCP 18" CP 18" CP i �� LIC
s24� O - - -o - - - - -22` T T �� T _ -zz- - - - - - - - - - - z5 i ZS„R 15' FES INV. 23.0 �26 I I I I Cx�UYE4 Y 9,
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- 2 2' �� _ --- 2 F22 - --- 23 --- �5 2 35E --
x ,' ti3/ / 4- 2 -24- - - - 4 - - -26-_ i
O �\ F 24° FES INV. 20.5 p 2 / \ J -25- 5- \ 24- 2 25�-- - 5- - -
PEN SPACE &DRAINAGE EASEMENT a ¢ - - - - - a `� W/ 1o' X 1o' X 18" ED #14 a YI#13 YI#12 YI#11 YI#lo ` YI#9 YI#8 Y1 7 YI#6 YI#5 YI#4 YI#3 J YI#2 YI#1 �1=- -26= ?4-25- - - - - - - z6 - - a =_ _� - ?5=z4=3 HENDERSON PARKE 3 3 - - - - _ N RIM: 24.75 RIM: 28.9 RIM: 28.9 RIM: 28.8 RIM: 28.8 RIM: 28.6 5 RIM: 2 8 RIM: 2 RIM: 2 RIM: 2 RIM: 2 6 RETAINING WALL - - ca -_
T 7.5 7.3 7.3 7. 5 RIM: 27.65 O FES LE. 22.02 - -26-
N :2 .2 RIM:28.o a
AT JOHNSON FARMS - 3o" FES INV. 20.5 INV: 21.0 INV: 21.2 INV: 21.35 INV: 21.45 INV: 21.55 INV: 21.65 INV: 21.8 INV: 21.95 INV: 22.1 INV: 22.25 INV: 22.4 INV: 22.55 INV: 22.7 INV: 22.8 (DESIGN BY OTHERS) SECTION OF EX. SWALE TO BE
DB 5349> PG 1196 15' PRIVA DRAINAGE W/ lo' X 15' X 18" ED7 - - - - 15'-PRIVA ACE - - - PROP. 15' PUBLIC PLUGGED & RE -GRADED
PROP. PUB C EASEMENT (EXISTING DITCH) SEMENT (EXISTI G DITCH) D.E.
D.E.
(MB 6 , PG 222)
TO BE CONVER ED TO PUBLIC DE. (MB 61, PG 2 2)
TO E CONVERTED T PUBLIC D.E. CITY OF WILMINGTON /
I I I I I I I I I I I I I MUNICIPAL LIMITS
\ I I I I I I I I RETENTION /
FORTUNE PLACE POND
HOMEOWNERS
- A 00f-Nf- T A TTl XT
NORTH CAROLINA TEMPORARY NORTH CAROLINA PERMANENT
GRASSING DETAIL GRASSING DETAIL
SEEDING MIXTURE SPECIES APPLICATION RATE SEEDING MIXTURE SPECIES APPLICATION RATE
LATE WINTER & EARLY SPRING: FALL & WINTER:
Rye (grain) too (lb/acre) Tall Fescue (blend of two or 200 (lb/acre)
Annual Iespedeza (Kobe in Piedmont three improved varieties)
and Coastal Plain, Korean in Mountains) 50 (lb/acre) Rye (grain) 25 (lb/acre)
Omit annual Iespedeza when duration
of temporary cover is not to extend beyond June SPRING & SUMMER:
Pensacola Bahiagrass 50 (lb/acre)
SUMMER: Sericea Lespedeza 30 (lb/acre)
German Millet Common Bermudagrass 10 (lb/acre)
In the Piedmont and Mountains, 40 (lb/acre) German Millet 10 (lb/acre)
a small -stemmed sundangrass maybe Tall Fescue 50 (lb/acre)
substituted at a rate of 50 (lb/acre)
SEEDING DATES
FALL:
Rye (grain) 120 (lb/acre) FALL & WINTER:
SEEDING DATES
LATE WINTER & EARLY SPRING:
Mountains - Above 2500 ft: Feb. 15-May 15
Piedmont - Jan. 1-May 1
Coastal Plain - Dec. i-Apr. 15
SUMMER:
Mountains - May 15-Aug. 15
Piedmont - May 1-Aug. 15
Coastal Plain - Apr. 15-Aug. 15
FALL:
Mountains - Aug. 15-Dec. 15
Coastal Plain and Piedmont - Aug. 15-Dec. 30
SOILAMENDMENTS:
Follow recommendations of soil tests or apply 2,000 lb/acre ground agricultural
limestone and 750 lb/acre 10-10-10 fertilizer.
MULCH
apply 4,000 lb/acre straw. anchor straw by tacking with asphalt, netting, or a
mulch anchoring tool. A disk with blades set nearly straight can be used as a mulch
anchoring tool.
MAINTENANCE
Refertilize if growth is not fully adequate. reseed, refertilize and mulch immediately
following erosion or other damage.
January - April
August - December
SOILAMENDMENTS:
Apply lime and fertilizer according to soil tests, or apply 3.000-5,000 lb/acre
ground agricultural limestone (use the lower rate on sandy soils) and 1,000 lb/acre
10-10-10 fertilizer.
MAINTENANCE
Fertilize according to soil tests or apply 40 lb/acre nitrogen in January or february,
40 lb in September and 40 lb in November, from a 12-4-8, 16-4-8, or similar turf
fertilizer. Avoid fertilizer applications during warm weather, as this increases stand
losses to disease. Reseed, fertilize, and mulch damaged areas immediately. mow to
a height of 2.5-3.5 inches as needed.
SPRING & SUMMER:
April 1- July 15
SOILAMENDMENTS:
Apply lime and fertilizer according to soil tests, or apply 3,000 lb/acre ground
agriculture limestone and 500 lb/acre 10-10-10 fertilizer.
MAINTENANCE
Refertilize the following april with 50 lb/acre nitrogen. Repeat as growth requires.
may be mowed only once a year. Where a neat appearance is desired, omit Sericea
and mow as often as needed.
MULCH
apply 4,000 lb/acre straw. anchor straw by tacking with asphalt, netting, or a
mulch anchoring tool. A disk with blades set nearly straight can be used as a mulch
anchoring tool.
SYMBOL
GROUND STABILIZATION CRITERIA
SITE AREA
STABILIZATION
STABILIZATION
EFRAME
DESCRIPTION
TIMEFRAME
EXXCCEPTIONS
* Perimeter dikes,
ditches and slopes
7 Days
None
* High Quality
Water (HQW)
7 Days
None
Zones
If slopes are lo' or
* Slopes Steeper
less in length and
than 3:1
7 Days
are not steeper than
2:1, 14 days are
allowed
7-days for slopes
* Slopes 3:1 or flatter
14 Days
greater than 50 ft. in
length
* All other areas with
None (except for
slopes flatter than 4:1
14 Days
perimeters & HQW
Zones)
BUILDING WASTE HANDLING:
- NO PAINT OR LIQUID WASTES IN STREAM OR STORM DRAINS
- DEDICATED AREAS FOR DEMOLITION, CONSTRUCTION AND OTHER WASTES MUST
BE LOCATED 5o' FROM STORM DRAINS AND STREAMS UNLESS NO REASONABLE
ALTERNATIVES ARE AVAILABLE.
- EARTHEN MATERIAL STOCKPILES MUST BE LOCATED 5o' FROM STORM DRAINS AND
STREAMS UNLESS NO REASONABLE ALTERNATIVES ARE AVAILABLE.
- CONCRETE MATERIALS MUST BE CONTROLLED TO AVOID CONTACT WITH SURFACE
WATERS, WETLANDS, OR BUFFERS.
INSPECTIONS:
- SAME WEEKLY REQUIREMENTS
- SAME RAIN GAUGE & INSPECTIONS AFTER 0.50" RAIN EVENT.
- INSPECTIONS ARE ONLY REQUIRED DURING "NORMAL BUSINESS HOURS"
- INSPECTION REPORTS MUST BE AVAILABLE ON -SITE DURING BUSINESS HOURS
UNLESS A SITE -SPECIFIC EXEMPTION IS APPROVED.
- RECORDS MUST BE KEPT FOR 3 YEARS AND AVAILABLE UPON REQUEST.
- ELECTRONICALLY AVAILABLE RECORDS MAYBE SUBSTITUTED UNDER CERTAIN
CONDITIONS.
SEDIMENT BASINS:
- OUTLET STRUCTURES MUST BE WITHDRAWN FROM BASIN SURFACES UNLESS
DRAINAGE AREA IS LESS THAN 1 ACRE.
- USE ONLY DWQ APPROVED FLOCCULANTS.
CONSTRUCTION SEQUENCE:
CONSTRUCTION OF SITE TO START WITH INSTALLATION OF CONSTRUCTION ENTRANCE AND SILT FENCE ALONG ALL LOCATIONS PER PLANS. UPON INSTALLATION OF SILT FENCE, TREES SHOULD BE
REMOVED IN LOCATIONS AS NECESSARY. INSTALLATION OFTHE RETAINING WALL IS TO BE COORDINATED AT THE SAME TIME OF THE POND CONSTRUCTION. ACCEPTABLE SOIL (TO BE MONITORED
BY GEOTECHNICAL ENGINEER) FROM POND TO BE PLACED FOR LOT AND ROAD FILL. ADDED SOIL MAY BE REQUIRED FROM OFFSITE TO OBTAIN PROPOSED GRADES. PIPE INSTALLATION CAN BE DONE
AT THE SAME TIME OF LOT AND ROAD FILL. WET POND TO BE COMPLETED WITH OUTLET STRUCTURE, SKIMMER, ENERGY DISSIPATOR & EMERGENCY SPILLWAY PER SPECIFICATIONS. WET POND TO
BE RESTORED TO ORIGINAL DESIGN NEAR THE END OF PROJECT FOR TURN OVER TO HOA. ALL SLOPED AREAS SHOULD BE SEEDED IN ACCORDANCE TO SPECIFICATIONS. SLOPE STABILIZATION IS
WITHIN 21 CALENDAR DAYS OF ANY PHASE OF CONSTRUCTION. ALL OTHER AREAS MUST BE STABILIZED WITH IN 15 WORKING DAYS. CONTRACTOR TO FOLLOW NPDES STABILIZATION
REQUIREMENTS PER TABLE ON THIS SHEET AS WELL. MOST STRINGENT REQUIREMENT TO BE MET.
i. GENERAL CLEARING AND GRADING OF THIS SITE WILL NOT BE DONE UNTIL THE TEMPORARY SILT FENCE & CONSTRUCTION ENTRANCE HAS BEEN INSTALLED.
2. NO CUT SLOPE OR FILL SLOPE SHALL EXCEED A RISE OR FALL OF ONE FOOT FOR EVERY RUN OF 3 FEET (i VERTICAL TO 3 HORIZONTAL).
3. NO SEDIMENT WILL BE ALLOWED TO EXIT THE SITE. ALL EROSION SHALL BE CONTROLLED INCLUDING SIDE SLOPES DURING AND AFTER CONSTRUCTION.
4. INSTALL PRIMARY EROSION CONTROL MEASURES BEFORE BEGINNING CONSTRUCTION INCLUDING BUT NOT LIMITED TO GRAVELED CONSTRUCTION ENTRANCE, SILT FENCE, TREE PROTECTION
FENCE & SEDIMENT BASINS. INSTALL ALL SECONDARY EROSION CONTROL MEASURES, SUCH AS INLET PROTECTION AS SOON AS POSSIBLE AFTER BEGINNING CONSTRUCTION.
5. ALL EROSION CONTROL MEASURES TO BE INSPECTED AFTER EACH RAIN. SILT FENCE AND INLET PROTECTION TO BE CLEANED WHEN HALF FULL.
6. A 4" LAYER OF TOPSOIL SHALL BE APPLIED TO ALL NEW AREAS TO BE GRASSED.
7. MAINTAIN ALL EROSION CONTROL MEASURES UNTIL PROJECT IS COMPLETE.
8. MORE STRINGENT MEASURES MAY BE REQUIRED TO HALT EROSION IF THOSE ON THIS PLAN PROVE TO BE LESS EFFECTIVE.
9. REMOVE ALL TEMPORARY EROSION CONTROL MEASURES UPON COMPLETION OF CONSTRUCTION. ALL PERMANENT MEASURES SHALL BE WELL ESTABLISHED PRIOR TO PROJECT COMPLETION.
MAINTENANCE PLAN:
i. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY
RUNOFF -PRODUCING RAINFALL, BUT IN NO CASE, LESS THAN ONCE EVERY WEEK AND WITHIN 24 HOURS OF EVERY HALF INCH RAINFALL.
2. ALL POINTS OF EGRESS WILL HAVE CONSTRUCTION ENTRANCES THAT WILL BE PERIODICALLY TOP -DRESSED WITH AN ADDITIONAL 2 INCHES
OF 2-3 INCH STONE TO MAINTAIN PROPER DEPTH. THEY WILL BE MAINTAINED IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM
LEAVING THE SITE. IMMEDIATELY REMOVE OBJECTIONABLE MATERIAL SPILLED, WASHED OR TRACKED ONTO THE CONSTRUCTION
ENTRANCE OR ROADWAYS.
3. SEDIMENT WILL BE REMOVED FROM HARDWARE CLOTH AND GRAVEL INLET PROTECTION, ROCK DOUGHNUT INLET PROTECTION, SEDIMENT
TRAP BAFFLES, AND ROCK PIPE INLET PROTECTION WHEN THE DESIGNED STORAGE CAPACITY HAS BEEN HALF FILLED WITH SEDIMENT.
ROCK WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT POOL NO LONGER DRAINS AS DESIGNED. DEBRIS WILL BE REMOVED FROM THE
ROCK AND HARDWARE CLOTH TO ALLOW PROPER DRAINAGE. SILT SACKS WILL BE EMPTIED ONCE A WEEK AND AFTER EVERY RAIN EVENT.
SEDIMENT WILL BE REMOVED FROM AROUND BEAVER DAMS, DANDY SACKS AND SOCKS ONCE A WEEK AND AFTER EVERY RAIN EVENT.
4. CHECK SEDIMENT BASIN & BAFFLES WEEKLY & AFTER EACH RAINFALL EVENT. REMOVE SEDIMENT FROM TRAP AND RESTORE TO ORIGINAL
VOLUME WHEN SEDIMENT ACCUMULATES TO ABOUT % THE DESIGN VOLUME.
5. DIVERSION DITCHES WILL BE CLEANED OUT IMMEDIATELY TO REMOVE SEDIMENT OR OBSTRUCTIONS FROM THE FLOW AREA. THE
DIVERSION RIDGES WILL ALSO BE REPAIRED. SWALES MUST BE TEMPORARILY STABILIZED WITHIN 21 CALENDAR DAYS OF CEASE OF ANY LEGEND
PHASE OF ACTIVITY ASSOCIATED WITH A SWALE. - - PRAPERTYLINE
6. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES HALF FILLED. THE SEDIMENT FENCE WILL BE EAT LI
NE
EASEMENT
REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. STAKES MUST BE STEEL. STAKE SPACING WILL BE 6 FEET MAX. WITH THE USE OF EXTRA SF TEMPORARY SILT FENCE
STRENGTH FABRIC WITHOUT WIRE BACKING. STAKE SPACING WILL BE 8 FEET MAX WHEN STANDARD STRENGTH FABRIC AND WIRE SS PROPOSED SANITARYIN EWER
� W PROPOSED WATETERLINE
BACKING ARE USED. IF ROCK FILTERS ARE DESIGNED AT LOW POINTS IN THE IN THE SEDIMENT FENCE THE ROCK WILL BE REPAIRED OR LIMITS OF DISTURBANCE
REPLACED IF IT BECOMES HALF FULL OF SEDIMENT, NO LONGER DRAINS AS DESIGNED OR IS DAMAGED. > > > > > > 3:1 GRASSED SWALE
7. INSPECT CHECK DAMS AND CHANNELS WEEKLY AND AFTER EACH RAIN EVENT AND REPAIR IMMEDIATELY. CLEAN OUT SEDIMENT, STRAW,
FIRE HYDRANT ASSEMBLY
LIMBS, OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL. ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK DAM AND
EROSION FROM HIGH FLOWS AROUND THE EDGES OF THE DAM, AND CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT EROSION NO BLOW OFF ASSEMBLY
OCCURS BETWEEN DAMS, ADDITIONAL MEASURES CAN BE TAKEN SUCH AS, INSTALLING A PROTECTIVE RIP -RAP LINER IN THAT PORTION OF N GATE VALVE
THE CHANNEL. REMOVED SEDIMENT ACCUMULATED BEHIND THE DAMS AS NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION, 1101 REDUCER
ALLOW THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM, AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE
DAM. ADD STONES TO DAMS AS NEEDED TO MAINTAIN DESIGN HEIGHT & CROSS SECTION. 25 5 SPOT ELEVATION
8. INSPECT DITCH PLUG(S) FOR SIGNS OF EROSION WEEKLY AND AFTER EACH RAIN EVENT AND REPAIR IMMEDIATELY. ENERGY DISSIPATER
9. FAIRCLOTH SKIMMER TO BE ROUTINELY CHECKED FOR SEDIMENT ACCUMULATION, TRASH, AND DEBRIS CLOGGING THE WATER ENTRY ® YARD INLET PROTECTION
ORIFICES. PULL SKIMMER TO SIDE OF BASIN AND HAND REMOVE SEDIMENT AND DEBRIS TO RESTORE FLOW TO ORIGINAL STATE.
io. INSPECT WATTLES WEEKLY AND AFTER EACH SIGNIFICANT RAINFALL EVENT (1/2 INCH ® CURB INLET PROTECTION
OR GREATER). REMOVE ACCUMULATED SEDIMENT AND ANY DEBRIS. THE WATTLE - WATTLE
MUST BE REPLACED IF CLOGGED OR TORN. IF PONDING BECOMES EXCESSIVE, THE WATTLE MAY
NEED TO BE REPLACED WITH A LARGER DIAMETER OR A DIFFERENT MEASURE. THE WATTLE
NEEDS TO BE REINSTALLED IF UNDERMINED OR DISLODGED. THE WATTLE SHALL BE 6o' 30' 06o' 120'
INSPECTED UNTIL LAND DISTURBANCE IS COMPLETE AND THE AREA ABOVE THE MEASURE HAS
BEEN PERMANENTLY STABILIZED.
Scale: 1"=6o'
VICINITY MAP (NOT TO SCALE):
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CLIENT INFORMATION:
River Birch Investments, LLC
PO Box 538
Wrightsville Beach, NC 28480
Ph. 910-399-5688
DRAWN: JAE
SHEET SIZE:
24x36
CHECKED: CDC
DATE:
3/11/2022
APPROVED: CDC
SCALE:
1" = 6o'
PROJECT NUMBER:
2021-030
DRAWING NUMBER:
C-2
3OF8