HomeMy WebLinkAboutWilmington Machinery PlansUE
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CATCH BASIN
TOP=34.09'
INV OUT=31.69'(N)
18
"
R
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24" RCP
INV OUT=31.43'(W)
INV OUT=31.85'(N)
18
"
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24" RCP
INV OUT=31.15'(E)
CATCH BASINTOP=35.02'
INV IN=31.62'(S)
INV IN=31.52'(E)
INV IN=31.52'(N)
INV OUT=31.69'(W)
1
8
"
R
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18" RCP 18" RCP
CATCH BASIN
TOP=36.80'
INV IN=32.30'(E)
INV OUT=32.30'(SE)
CATCH BASIN
TOP=36.11'
INV IN=32.31'(E)
INV OUT=32.31'(W)
CATCH BASIN
TOP=36.13'
INV OUT=32.63'(W)18"
R
C
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15" RCP
18" RCP
INV OUT=33.30'(NE)
CATCH BASIN
TOP=35.25'
INV IN=33.25'(NE)
INV OUT=32.95'(NW)
CATCH BASIN
TOP=35.28'
INV IN=32.78'(SE)
INV OUT=32.68'(W)
CATCH BASINTOP=35.25'
INV IN=32.75'(E)
INV OUT=32.65'(W)
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12" RCP
INV OUT=32.53'(W)
12" RCP
CATCH BASINTOP=34.29'
INV IN=32.24'(NW)
INV IN=32.22'(W)
INV OUT=32.22'(S)
CATCH BASIN
TOP=34.55'
INV OUT=32.51'(E)
18
"
R
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CATCH BASIN
TOP=34.45'
INV IN=32.12'(N)
INV OUT=32.03'(W)
18" RCP
#2 18" OAK
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INV OUT=29.34'(E)
6" CPP R
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EX. PROPANE TANKS
EXIXSTING BUILDING
57,630 SF
FFE: 38.46
EX. F.H. TO BE RELOCATED
BOLLARDS
(TYP)
EX. LANDSCAPE
AREA
EX. LANDSCAPEAREA
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
EX. CONCRETE
RAMP
EX. ASPHALTPARKING EX. ASPHALT
PARKING
EX. ASPHALT
DRIVE
EX. F.H.
#1 8" OAK
NO.TREE
1
2
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TREE TABLE
8" OAK TREE
18" OAK TREE
12" OAK TREE
12" OAK TREE
24" DOGWOOD TREE
30" DOGWOOD TREE
18" OAK TREE
20" ELM TREE
14" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
11 16" CREPE MYRTLE TREE
12 10" CREPE MYRTLE TREE X3
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15
16
17
18
19
20
21
22
24" CREPE MYRTLE TREE
18" CREPE MYRTLE TREE
18" CREPE MYRTLE TREE
24" CREPE MYRTLE TREE
24" CREPE MYRTLE TREE
24" CREPE MYRTLE TREE
18" CREPE MYRTLE TREE
24" CREPE MYRTLE TREE
24" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
23 24" CREPE MYRTLE TREE
24 24" CREPE MYRTLE TREE
25 24" CREPE MYRTLE TREE
26 36" CREPE MYRTLE TREE
27 12" CREPE MYRTLE TREE
28 24" CREPE MYRTLE TREE
29 24" CREPE MYRTLE TREE
NO.TREE
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39
24" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
24" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
30" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
40 18" CREPE MYRTLE TREE
41 18" CREPE MYRTLE TREE
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18" CREPE MYRTLE TREE
18" CREPE MYRTLE TREE
18" CREPE MYRTLE TREE
18" CREPE MYRTLE TREE
8" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
24" CREPE MYRTLE TREE
16" CREPE MYRTLE TREE
6" CREPE MYRTLE TREE
52 18" CREPE MYRTLE TREE
53 6" CREPE MYRTLE TREE
54 10" CREPE MYRTLE TREE
55 26" CREPE MYRTLE TREE
56 30" CREPE MYRTLE TREE
57 24" CREPE MYRTLE TREE
58 14" CREPE MYRTLE TREE
I-
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NORTH CHASE PARKWAY
(60' PUBLIC R/W)
EX. ASPHALTPAD
RETAINING
WALLS
RETAININGWALLS
SIDEWALKSIDEWALK
LANDSCAPING
AREA
LANDSCAPINGAREA
LANDSCAPINGAREA
N/F
PID:R02612-001-005-000
PYRAMID REAL ESTATE
HOLDINGS LLC
D.B. 5789, PG. 106
N/F
PID:R02612-001-006-000
PYRAMID REAL ESTATE
HOLDINGS LLC
D.B. 5789, PG. 106
N/F
PID:R02616-001-007-000
PYRAMID REAL ESTATE
HOLDINGS LLC
D.B. 5537, PG. 270
N/F
PID:R02612-001-002-000
PYRAMID REAL ESTATE
HOLDINGS LLC
D.B. 5789, PG. 106
N75°37'35"E 250.93'
S2
0
°
1
1
'
0
3
"
E
1
0
5
.
9
7
'
S76°57'24"W 466.69'
N1
4
°
2
2
'
2
5
"
W
4
9
2
.
7
2
'
N75°37'35"E 123.90'
CURVE TABLE
CURVE #
C1
C2
LENGTH
141.06'
429.98
RADIUS
55.00'
11619.16'
BEARING
N 59° 05' 50" E
S 11° 59' 00" E
CHORD
105.45'
429.95'
C2
S1
4
°
2
2
'
2
5
"
E
4
9
2
.
7
2
'
S75°37'35"W 240.00'
#3321VACANT
LOT
APPROX.
LOCATION OF
WATERLINE
CO
R
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A
T
E
D
R
I
V
E
(6
0
'
P
U
B
L
I
C
R
/
W
)
BENCHMARKSSMH
ELEV.=35.96'
NAVD 88'
BENCHMARK
SSMH
ELEV.=35.82'NAVD 88'
S75°37'31"W 54.95'
(TIE) TO CONCRETEMONUMENT IN CENTER OF
CULDESAC OF NORTHCHASE
PARKWAY ROAD
S76°57'24"W 61.60'
N75°37'35"E 59.46'
C3
C3 533.76 7332.98' S 13° 22' 06" E 533.64'
ROW ACQUISTIONPER M.B. 38 PG. 83,
D.B. 2543 PG. 240
36,756 S.F.
N/FPID:R02612-001-005-000
PYRAMID REAL ESTATE
HOLDINGS LLCD.B. 5789, PG. 106
EX
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#3 12" OAK
EX. CONCRETE
EX. SWALE TO BE FILLED
EX. ROOF DRAINS
(SEE ARCHITECTURAL PLANS FOR
TIE-INTO RELOCATED OUTLET)
4 SPACES3 SPACES
(2) ADA SPACES
12 SPACES
12 SPACES 9 SPACES
PROPOSED BUILDING
EXPANSION
#4 12" OAK
RCP 18" FES
TOP=33.52'
INV OUT=31.83'(W)
C-0
1
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AN
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P
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1" = 40'
PROPERTY LINEADJOINERS
TREE PROTECTION FENCE
LIMITS OF DISTURBANCE
REGULATED TREES TO BE REMOVED
SIGNIFICANT TREES TO BE REMOVED
LEGEND
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REVISIONS
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PROJECT NUMBER:
DRAWING NUMBER:
CHECKED:
APPROVED:
DRAWN:
DATE:
SCALE:
SHEET SIZE:
VICINITY MAP (NOT TO SCALE):
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2025-015
FO
R
CLIENT INFORMATION:
Pyramid Real Estate Holdings, LLC
6226 Mallard Dr.
Wilmington, NC 28403
OF 5
JAE
CDC
CDC
24x36
1/13/2026
Li
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N
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:
P
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0
6
6
2
NE
W
H
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V
E
R
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Y
,
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WI
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MA
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PRE
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I
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DRA
W
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N
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FOR
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SITE DATA
PARCEL ID:R02612-001-004-000
CURRENT ZONING:PD
PROJECT ADDRESS:4628 NORTHCHASE PKY NEWILMINGTON, NC 28405
CURRENT OWNER:PYRAMID REAL ESTATE HOLDINGS LLC6226 MALLARD DR. WILMINGTON, NC 28403
ACREAGE IN PROJECT BOUNDARY 238,894 S.F. (± 5.48 ac.)
TOTAL DISTURBED ACREAGE 1.6 ACRES
EXISTING ONSITE IMPERVIOUS AREAS:BUILDINGS 57,630 S.F.CONCRETE PARKING, SIDEWALK, ETC. 19,785 S.F.ASPHALT PARKING/DRIVES 20,790 S.F.TOTAL:98,205 S.F. (41.1%)
TREE PRESERVATION NOTES:
1. PRIOR TO ANY CLEARING, GRADING, OR CONSTRUCTION ACTIVITY, APPROVED TREE
PROTECTION FENCING, SUCH AS SAFETY BARRIER FENCING, A WOODEN SLAT SNOW
FENCE OR WIRE FENCE, SHALL BE INSTALLED AROUND PROTECTED TREES OR TREE
STANDS LOCATED IN CONSTRUCTION AREAS OR OTHER SITE AREAS THAT WILL BE
DISTURBED BY CONSTRUCTION ACTIVITIES. THE FENCING SHALL BE A MINIMUM OF
FOUR FEET IN HEIGHT AND BE OF DURABLE CONSTRUCTION. TREE PROTECTIVE
FENCING SHALL REMAIN IN PLACE THROUGH COMPLETION OF CONSTRUCTION
ACTIVITIES.
2. NO CONSTRUCTION WORKERS, TOOLS, MATERIALS, OR VEHICLES ARE PERMITTED
WITHIN THE TREE PROTECTION FENCING.
3. IF AN EXISTING TREE RETAINED TO COMPLY WITH THE STANDARDS OF THIS SECTION
IS DESTROYED, SUBSTANTIALLY DAMAGED, OR DIES AS A RESULT OF NEGLIGENCE ON
THE PART OF THE PROPERTY OWNER WITHIN THREE YEARS AFTER COMPLETION OF
CONSTRUCTION, THEN REPLACEMENT TREES SHALL BE PLANTED ON THE SITE WITH
A TOTAL DIAMETER EQUAL TO TWICE THE DIAMETER OF THE RETAINED TREE. A
MINIMUM GROWING AREA OF 144 SQUARE FEET SHALL BE PROVIDED FOR EACH
REPLACEMENT TREE. IF THE PLANNING DIRECTOR DETERMINES IT IS INFEASIBLE OR
FOR REPLACEMENT TREE(S) TO BE ACCOMMODATED ON THE SITE, THEN A PAYMENT
MAY BE MADE TO THE COUNTY’S TREE IMPROVEMENT FUND EQUIVALENT TO THE
PRICING STANDARDS IN THE COUNTY FEE SCHEDULE.
NOTES:
1. ALL DEVELOPMENT SHALL BE IN ACCORDANCE WITH NEW HANOVER COUNTY LAND
DEVELOPMENT CODE.
2. PROJECT SHALL COMPLY WITH ALL FEDERAL, STATE & NEW HANOVER COUNTY
REGULATIONS.
3. EXISTING SURVEYING PERFORMED BY BATEMAN CIVIL SURVEY COPMANY, FRIM # C-2378
4. SITE IS LOCATED IN ZONE "X" PER FRIS ON FIRM MAP NUMBER 3720324000K, DATED
8/28/2018.
5. NO WETLANDS, SURFACE WATERS, PROTECTED VEGETATED SETBACKS OR RIPARIAN
BUFFERS EXIST ON SITE.
80'40'20'40'0'
Scale: 1"=40'
MITIGATION REQUIRED FOR REMOVAL OF
SIGNIFICANT TREES
QTY SIZE TYPE REPLACEMENT
INCHES
1 18"OAK 36.00
TOTAL REPLACEMENT INCHES 36
* SEE LANDSCAPE PLAN BY OTHERS FOR
REPLACEMENT TREES
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CATCH BASIN
TOP=34.09'
INV OUT=31.69'(N)
18
"
R
C
P
24" RCP
INV OUT=31.43'(W)
INV OUT=31.85'(N)
18
"
R
C
P
24" RCP
INV OUT=31.15'(E)
CATCH BASIN
TOP=35.02'
INV IN=31.62'(S)
INV IN=31.52'(E)
INV IN=31.52'(N)
INV OUT=31.69'(W)
1
8
"
R
C
P
18" RCP 18" RCP
CATCH BASIN
TOP=36.80'
INV IN=32.30'(E)
INV OUT=32.30'(SE)
CATCH BASIN
TOP=36.11'
INV IN=32.31'(E)
INV OUT=32.31'(W)
CATCH BASIN
TOP=36.13'
INV OUT=32.63'(W)18"
R
C
P
15" RC
P
18" RCP
INV OUT=33.30'(NE)
CATCH BASIN
TOP=35.25'
INV IN=33.25'(NE)
INV OUT=32.95'(NW)
CATCH BASIN
TOP=35.28'
INV IN=32.78'(SE)
INV OUT=32.68'(W)
CATCH BASIN
TOP=35.25'
INV IN=32.75'(E)
INV OUT=32.65'(W)
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12" RCP
INV OUT=32.53'(W)
12" RCP
CATCH BASIN
TOP=34.29'
INV IN=32.24'(NW)
INV IN=32.22'(W)
INV OUT=32.22'(S)
CATCH BASIN
TOP=34.55'
INV OUT=32.51'(E)
18
"
R
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CATCH BASIN
TOP=34.45'
INV IN=32.12'(N)
INV OUT=32.03'(W)
18" RCP
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EX. PROPANE TANKS
33,400 SF BUILDING
ADDITION
FFE: 38.46
EXIXSTING BUILDING
57,630 SF
FFE: 38.46
BOLLARDS
(TYP)
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
ASPHALT PARKING
ADDITION
EX. CONCRETE
RAMP
EX. ASPHALT
PARKING EX. ASPHALT
PARKING
EX. ASPHALT
DRIVE
EX. F.H.
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(P
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)
NORTH CHASE PARKWAY
(60' PUBLIC R/W)
EX. ASPHALT
PAD
RETAINING
WALLS
RETAINING
WALLS
SIDEWALKSIDEWALKLANDSCAPING
AREA
LANDSCAPING
AREA
LANDSCAPING
AREA
N/F
PID:R02616-001-007-000
PYRAMID REAL ESTATE
HOLDINGS LLC
D.B. 5537, PG. 270
PID:R02612-001-002-000
PYRAMID REAL ESTATE
APPROX.
LOCATION OF
WATERLINE
CO
R
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O
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A
T
E
D
R
I
V
E
(6
0
'
P
U
B
L
I
C
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/
W
)
S75°37'31"W 54.95'
(TIE) TO CONCRETE
MONUMENT IN CENTER OF
CULDESAC OF NORTHCHASE
PARKWAY ROAD
ROW ACQUISTION
PER M.B. 38 PG. 83,
D.B. 2543 PG. 240
36,756 S.F.
EX
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OUTLET STRUCTURE
(SEE DETAIL)
18" FES
W/5'X10'X12"
ED
INV: 33.25
PROPOSED WET DETENTION BASIN
TOB: 37.5
FP: 35.25
NP: 34.0
BTM: 27.0
12" PVC ROOF DRAIN @ 0.3%
12
"
P
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C
R
O
O
F
D
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A
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0
.
3
%
SDMH #1
RIM: 36.35
INV: 32.2
DI #1
RIM: 35.5
INV: 32.5
38.35
MATCH EX. EOP.
±35.5
MATCH EX. EOP.
±36.4
EX. CONCRETE
EX. ROOF DRAINS
(SEE ARCHITECTURAL PLANS FOR
TIE-INTO RELOCATED OUTLET)
PVC ROOF DRAIN TO
MATCH SIZE & SLOPE OF
ARCHITECTURAL PLANS.
PR
O
P
.
6
'
S
I
D
E
W
A
L
K
18' (TYP)
9'
(
T
Y
P
)
4
RELOCATED FIRE
HYDRANT
38.35
38.35
1
5
"
R
C
P
18
"
R
C
P
BAY DOORS
4 SPACES3 SPACES
(2) ADA SPACES
12 SPACES
12 SPACES 9 SPACES
34
.
0
27
.
0
30.0
18
"
R
C
P
SDMH #2
RIM: 36.35
MATCH EX. 18" INV: ±31.95
30' WIDE EMERGENCY
SPILLWAY
37
.
5
12" PVC ROOF DRAIN @ 0.3%
54
'
65'36'12" FES W/ 5'X5'X12" ED
INV: 34.0
38.0
RCP 18" FES
TOP=33.52'
INV OUT=31.83'(W)
36.0
37.85
37.85
CLEAN OUT
(TYP)
C-1
2
PR
E
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S
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P
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1" = 30'
SITE DATA
PARCEL ID:R02612-001-004-000
CURRENT ZONING:PD
PROJECT ADDRESS:4628 NORTHCHASE PKY NEWILMINGTON, NC 28405
CURRENT OWNER:PYRAMID REAL ESTATE HOLDINGS LLC6226 MALLARD DR.
WILMINGTON, NC 28403
ACREAGE IN PROJECT BOUNDARY 238,894 S.F. (± 5.48 ac.)
EXISTING/PROPOSED USE:PLASTICS MANUFACTURING (NAICS 3261)
BUILDING SIZE:91,030 S.F. GFA TOTAL
(57,630 SF Existing / 33,400 SF Proposed)
BUILDING HEIGHT:1-STORY/ ±24'
CALCULATION FOR BUILDING COVERAGE:PROPOSED COVERAGE 91,030 S.F. ÷ 238,894 S.F. = 38.1%
BUILDING SETBACKS:
FRONT: REQUIRED= 25'EXISTING= 137.4 PROPOSED= 137.4'
SIDE: REQUIRED= 15'/25'*EXISTING= 95.8'/171.6' PROPOSED= 95.8' / 25.1'REAR: REQUIRED= 100' EXISTING= 48.7' PROPOSED= 100'
*Utilizing Area Increase Factor*
PROPOSED IMPERVIOUS AREAS:BUILDING ADDITION 33,400 S.F.ASPHALT PARKING/DRIVE AREA 16,870 S.F.CONCRETE SIDEWALK 295 S.F.TOTAL 50,565 S.F
TOTAL ONSITE IMPERVIOUS AREAS:PROPOSED 50,565 S.F.
EXISTING TO REMAIN 98,205 S.F.
TOTAL 148,770 S.F. (62.2%)
PARKING REQUIRED: (1.5 /1,000 SF)91,030 SF/1,000 SF X 1.5 = 136 SPACES
PARKING PROVIDED:44 SPACES (2 ADA)**Please put a note that a Parking study will be provided to justify the proposed parking count vs
Required Parking.*
EXISTING SEWER AND WATER DEMAND: 750 GPD
PROPOSED SEWER AND WATER DEMAND: 750 GPD
ESTIMATED TRIP GENERATION (Per Trip Generation Manual):91,030 SF MANUFACTURING (ITE CODE 140)AM PEAK: 62 PM PEAK: 67 DAILY: 432 EN
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REVISIONS
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PROJECT NUMBER:
DRAWING NUMBER:
CHECKED:
APPROVED:
DRAWN:
DATE:
SCALE:
SHEET SIZE:
VICINITY MAP (NOT TO SCALE):
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2025-015
FO
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CLIENT INFORMATION:
Pyramid Real Estate Holdings, LLC
6226 Mallard Dr.
Wilmington, NC 28403
OF 5
JAE
CDC
CDC
24x36
1/13/2026
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DEVELOPMENT NOTES:
1. ALL DEVELOPMENT SHALL BE IN ACCORDANCE WITH NEW HANOVER COUNTY LAND
DEVELOPMENT CODE.
2. PROJECT SHALL COMPLY WITH ALL FEDERAL, STATE & NEW HANOVER COUNTY REGULATIONS.
3. NO SIGNS ARE PROPOSED AT THIS TIME. ANY FUTURE PROPOSED SIGN IS SUBJECT TO SECTION
5.6. OF THE UDO.
4.RUNOFF FROM ALL IMPERVIOUS SURFACES, INCLUDING ROOF DRAINS, TO BE DIRECTED TO
WET DETENTION BASIN(S).
PROPERTY LINERIGHT OF WAY
ADJOINER PROPERTY LINE
EXISTING EDGE OF PAVEMENTEASEMENT
PROPOSED ASPHALT DRIVES/PARKING
RUNOFF DIRECTION
PROPOSED SPOT ELEVATION
LEGEND
60'30'15'30'0'
Scale: 1"=30'
38.35
FIRE & SAFETY NOTES:
1. CONSTRUCTION TYPE: II-B (COMMERCIAL)
2. PROPOSED BUILDING WILL NOT BE SPRINKLED.
3. CONTRACTOR SHALL MAINTAIN AN ALL-WEATHER ACCESS FOR EMERGENCY
VEHICLES AT ALL TIMES DURING CONSTRUCTION.
4. BUILDING INFORMATION SIGNS MUST BE PROVIDED IN ACCORDANCE WITH THE "2018 NC
FIRE CODE APPENDIX J" REQUIREMENTS.
5.CONTRACTOR SHALL SUBMIT A RADIO SIGNAL STRENGTH STUDY FOR ALL
COMMERCIAL BUILDINGS THAT DEMONSTRATES THAT EXISTING EMERGENCY
RESPONDER RADIO SIGNAL LEVELS MEET THE REQUIREMENTS OF SECTION 510 OF
THE 2018 NC FIRE CODE.
6. ANY DRIVEWAY GATE TO BE SIREN ACTIVATED AND HAVE KNOX KEY OVERRIDE.
7.ALL FIRE HYDRANTS MUST BE INSTALLED WITH 5 INCH STORZ QUICK CONNECTS ON A
4.5 INCH STEAMER IN COMPLIANCE WITH NHC FIRE SERVICE REQUIREMENTS.
8. NO OBSTRUCTIONS WITHIN 36" AROUND A FIRE HYDRANT, INCLUDING BUT NOT
LIMITED TO, STREET SIGNS, LANDSCAPING AND UTILITY POLES AND BOXES.
9. NEW HYDRANTS MUST BE BROUGHT INTO SERVICE PRIOR TO COMBUSTIBLE MATERIALS
DELIVERED TO THE JOB SITE.
10. FIRE APPARATUS ACCESS ROADS SHALL PROVIDE A CLEAR VERTICAL CLEARANCE OF 14
FEET INCLUDING TREES, CANOPIES, BRIDGES, ETC.
11. DURING CONSTRUCTION, PREMISES IDENTIFICATION IS REQUIRED, AND MAY BE
TEMPORARY IN NATURE PROVIDED IT IS LEGIBLE AND WEATHER RESISTANT.
12. PREMISES IDENTIFICATION IS REQUIRED. ADDRESS NUMBERS ARE REQUIRED ON THE
STREET SIDE. NUMBERS SHALL NOT BE LESS THAN 6 INCHES TALL AND ¾ INCHES WIDE,
MUST BE WEATHER RESISTANT, AND CONTRAST IN COLOR AGAINST THEIR BACKGROUND.
UTILITY NOTES:
1. EXISTING WATER AND SANITARY SEWER SERVICES ARE CURRENTLY AVAILABLE TO THE
SITE FROM CAPE FEAR PUBLIC UTILITY AUTHORITY PUBLIC MAINS. NO ADDITIONAL
SERVICES ARE PROPOSED.
2. ALL PROPOSED UTILITY SERVICES, SUCH AS ELECTRIC POWER, CATV, GAS & TELEPHONE
SHALL BE INSTALLED UNDERGROUND.
3.THE CONTRACTOR IS RESPONSIBLE FOR THE LOCATION AND PROTECTION OF EXISTING
UTILITIES DURING CONSTRUCTION. CALL NC811 AT 811 OR 1-800-632-4949. CONTRACTOR
IS RESPONSIBLE FOR THE REPAIR AND REPLACEMENT OF ANY UTILITIES, CURB &
GUTTER, PAVEMENT, ETC. THAT MAY BE BE DAMAGED DURING CONSTRUCTION.
DAMAGED ITEMS SHALL BE REPAIRED TO AT LEAST THE QUALITY OR WORKMANSHIP
FOUND IN THE ORIGINAL ITEM.
4. SOLID WASTE DISPOSAL IS BY PRIVATE DUMPSTER SERVICE. NO ADDITIONAL DUMPSTER
PADS PROPOSED.
UE
UE
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X
BOBBOBBOBBOBBOBBOBBOB X
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BOB
BOB BOB BOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOBBOB
CATCH BASIN
TOP=34.09'
INV OUT=31.69'(N)
18
"
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24" RCP
INV OUT=31.43'(W)
INV OUT=31.85'(N)
18
"
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24" RCP
INV OUT=31.15'(E)
CATCH BASIN
TOP=35.02'
INV IN=31.62'(S)
INV IN=31.52'(E)
INV IN=31.52'(N)
INV OUT=31.69'(W)
1
8
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R
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18" RCP 18" RCP
CATCH BASIN
TOP=36.80'
INV IN=32.30'(E)
INV OUT=32.30'(SE)
CATCH BASIN
TOP=36.11'
INV IN=32.31'(E)
INV OUT=32.31'(W)
CATCH BASIN
TOP=36.13'
INV OUT=32.63'(W)
18"
R
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15" RCP
18" RCP
INV OUT=33.30'(NE)
CATCH BASIN
TOP=35.25'
INV IN=33.25'(NE)
INV OUT=32.95'(NW)
INV OUT=32.68'(W)INV IN=32.75'(E)
INV OUT=32.65'(W)
BOB
BO
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BOBBOB
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12" RCP
INV OUT=32.53'(W)
12" RCP
CATCH BASIN
TOP=34.29'
INV IN=32.24'(NW)
INV IN=32.22'(W)
INV OUT=32.22'(S)
CATCH BASIN
TOP=34.55'
INV OUT=32.51'(E)
18
"
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CATCH BASIN
TOP=34.45'
INV IN=32.12'(N)
INV OUT=32.03'(W)
18" RCP
5
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EX. PROPANE TANKS
TOB TOB TOB TOB TOB TOB TOB TOB
TO
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TOB
TOB TOB TOB
TO
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TOB
TOB T
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TOB TOB
TOBTOBTOBTOBTOBTOB
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TOB TOB TOB TOB TOB TOB TOB
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TOBTOBTOBTOBTOBTOBTOBTOB
TOB
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TOB TOB TOB TOB TOB TOB TOB TOB TOB TOB TOB
33,400 SF BUILDING
ADDITION
FFE: 38.46
EXIXSTING BUILDING
57,630 SF
FFE: 38.46
BOLLARDS
(TYP)
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
EX. LANDSCAPE
AREA
ASPHALT PARKING
ADDITION
EX. CONCRETE
RAMP
EX. ASPHALT
PARKING EX. ASPHALT
PARKING
EX. ASPHALT
DRIVE
EX. F.H.
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NORTH CHASE PARKWAY
EX. ASPHALT
PAD
RETAINING
WALLS
RETAINING
WALLS
SIDEWALK
SIDEWALKLANDSCAPING
AREA
LANDSCAPING
AREA
LANDSCAPING
AREA
APPROX.
LOCATION OF
WATERLINE
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OUTLET STRUCTURE
(SEE DETAIL)
18" FES
W/5'X10'X12"
ED
INV: 33.25
PROPOSED WET DETENTION BASIN
TOB:37.5
FP:35.25
NP:34.0
BTM:27.0
12" PVC ROOF DRAIN @ 0.3%
12
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SDMH #1
RIM: 36.35
INV: 32.2
DI #1
RIM: 35.5
INV: 32.5
38.35
MATCH EX. EOP.
±35.5
MATCH EX. EOP.
±36.4
EX. CONCRETE
EX. ROOF DRAINS
(SEE ARCHITECTURAL PLANS FOR
TIE-INTO RELOCATED OUTLET)
PVC ROOF DRAIN TO
MATCH SIZE & SLOPE OF
ARCHITECTURAL PLANS.
PR
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6
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W
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38.35
38.35
1
5
"
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18
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BAY DOORS
4 SPACES3 SPACES
(2) ADA SPACES
12 SPACES
12 SPACES 9 SPACES
34
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0
27
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0
30.0
18"
R
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SDMH #2
RIM: 36.35
MATCH EX. 18" INV: ±31.95
30' WIDE EMERGENCY
SPILLWAY
37
.
5
12" PVC ROOF DRAIN @ 0.3%
TEMPORARY CONSTRUCTION
ENTRANCE
12" FES W/ 5'X5'X12" ED
INV: 34.0
38.0
RCP 18" FES
TOP=33.52'
INV OUT=31.83'(W)
36.0
37.85
37.85
CLEAN OUT
(TYP)
C-2
3
1" = 30'
SITE DATA
PARCEL ID:R02612-001-004-000
CURRENT ZONING:PD
PROJECT ADDRESS:4628 NORTHCHASE PKY NE
WILMINGTON, NC 28405
CURRENT OWNER:PYRAMID REAL ESTATE HOLDINGS LLC6226 MALLARD DR. WILMINGTON, NC 28403
ACREAGE IN PROJECT BOUNDARY 238,894 S.F. (± 5.48 ac.)
TOTAL DISTURBED ACREAGE 1.6 ACRES
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REVISIONS
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PROJECT NUMBER:
DRAWING NUMBER:
CHECKED:
APPROVED:
DRAWN:
DATE:
SCALE:
SHEET SIZE:
VICINITY MAP (NOT TO SCALE):
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2025-015
FO
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CLIENT INFORMATION:
Pyramid Real Estate Holdings, LLC
6226 Mallard Dr.
Wilmington, NC 28403
OF 5
JAE
CDC
CDC
24x36
1/13/2026
Li
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PROPERTY LINE
ADJOINERSRUNOFF DIRECTIONWATERLINE
SANITARY SEWER LINESILT FENCELIMITS OF DISTURBANCE
SPOT ELEVATION
DROP INLET W/ INLET PROTECTION
LEGEND
25.5
* Perimeter dikes,ditches and slopes
GROUND STABILIZATION CRITERIA
7 Days
SITE AREADESCRIPTION
STABILIZATIONTIMEFRAME
STABILIZATIONTIMEFRAMEEXCEPTIONS
None
7 Days None* High QualityWater (HQW)Zones
7 Days
If slopes are 10' orless in length andare not steeper than2:1, 14 days areallowed
* Slopes Steeperthan 3:1
14 Days* Slopes 3:1 or flatter 7-days for slopes
greater than 50 ft. in
length
14 Days* All other areas withslopes flatter than 4:1
None (except forperimeters & HQWZones)
SYMBOL
BUILDING WASTE HANDLING:
- NO PAINT OR LIQUID WASTES IN STREAM OR STORM DRAINS
- DEDICATED AREAS FOR DEMOLITION, CONSTRUCTION AND OTHER WASTES MUST
BE LOCATED 50' FROM STORM DRAINS AND STREAMS UNLESS NO REASONABLE
ALTERNATIVES ARE AVAILABLE.
- EARTHEN MATERIAL STOCKPILES MUST BE LOCATED 50' FROM STORM DRAINS ANDSTREAMS 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 MAY BE 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.
MAINTENANCE PLAN:
1. 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. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES HALF
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, WITHOUT WIRE BACKING. STAKE SPACING WILL BE 8 FEET MAX WHEN
STANDARD STRENGTH FABRIC AND WIRE BACKING ARE USED. IF ROCK FILTERS ARE DESIGNED
AT LOW POINTS IN THE IN THE SEDIMENT FENCE THE ROCK WILL BE REPAIRED OR REPLACED IF
IT BECOMES HALF FULL OF SEDIMENT, NO LONGER DRAINS AS DESIGNED OR IS DAMAGED.
NORTH CAROLINA TEMPORARY
GRASSING DETAIL
SEEDING MIXTURE SPECIES APPLICATION RATE
LATE WINTER & EARLY SPRING:
Rye (grain)100 (lb/acre)
Annual Iespedeza (Kobe in Piedmont
and Coastal Plain, Korean in Mountains)50 (lb/acre)
Omit annual Iespedeza when duration
of temporary cover is not to extend beyond June
SUMMER:
German Millet
In the Piedmont and Mountains,40 (lb/acre)
a small-stemmed sundangrass may be
substituted at a rate of 50 (lb/acre)
FALL:
Rye (grain)120 (lb/acre)
SEEDING DATES
LATE WINTER & EARLY SPRING:
Mountains - Above 2500 ft: Feb. 15-May 15
Piedmont - Jan. 1-May 1
Coastal Plain - Dec. 1-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
SOIL AMENDMENTS:
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.
NORTH CAROLINA PERMANENT
GRASSING DETAIL
SEEDING MIXTURE SPECIES APPLICATION RATE
FALL & WINTER:
Tall Fescue (blend of two or 200 (lb/acre)
three improved varieties)
Rye (grain) 25 (lb/acre)
SPRING & SUMMER:
Pensacola Bahiagrass 50 (lb/acre)
Sericea Lespedeza 30 (lb/acre)
Common Bermudagrass 10 (lb/acre)
German Millet 10 (lb/acre)
Tall Fescue 50 (lb/acre)
SEEDING DATES
FALL & WINTER:
January - April
August - December
SOIL AMENDMENTS:
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
SOIL AMENDMENTS:
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.
CONSTRUCTION SEQUENCE:
*PRIOR TO START OF CONSTRUCTION, A PRE-CONSTRUCTION MEETING WITH THE NHC EROSION CONTROL
INSPECTOR MUST BE HELD. IN ADDITION, AN NCGO1 CERTIFICATION MUST BE OBTAINED PRIOR TO START
OF CONSTRUCTION.*
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. NEXT THE SEDIMENT BASIN/WET POND SHOULD BE EXCAVATED AND THE
OUTLET STRUCTURE WITH FAIRCLOTH SHOULD BE CONSTRUCTED. AT THIS POINT AN INSPECTION BY NEW
HANOVER COUNTY INSPECTORS SHOULD BE DONE TO CONFIRM MEASURES ARE COMPLETE AND ADEQUATE.
ONCE INSPECTION IS COMPLETE, STORM DRAIN INLETS AND PIPING SHOULD BE INSTALLED ALONG WITH
INLET PROTECTION AT INLETS. SITE GRADING OF BUILDING PADS AND PARKING/ACCESS AREAS SHOULD
FOLLOW. 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.
1. GENERAL CLEARING OF THIS SITE WILL NOT BE DONE UNTIL THE TEMPORARY SILT FENCE &
CONSTRUCTION ENTRANCE HAS BEEN INSTALLED. GRADING CANNOT BEGIN UNTIL AFTER NHC
INSPECTION AND SEDIMENT BASIN HAS BEEN COMPLETED.
2. NO CUT SLOPE OR FILL SLOPE SHALL EXCEED A RISE OR FALL OF ONE FOOT FOR EVERY RUN OF 3 FEET
(1 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. CONTRACTOR TO BE FAMILIAR WITH USACOE GENERAL PERMIT CONDITIONS FOR
ROAD CROSSINGS. SPECIFIC CONSTRUCTION METHODS MAY BE REQUIRED ABOVE AND BEYOND WHAT
IS SPECIFIED IN THIS PLAN. 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. ONCE PAVING IS COMPLETE, DANDY SACK INLET PROTECTION TO BE USED IF NEEDED, UNTIL SITE IS
STABILIZED.
7. A 4" LAYER OF TOPSOIL SHALL BE APPLIED TO ALL NEW AREAS TO BE GRASSED.
8. MAINTAIN ALL EROSION CONTROL MEASURES UNTIL PROJECT IS COMPLETE.
9. MORE STRINGENT MEASURES MAY BE REQUIRED TO HALT EROSION IF THOSE ON THIS PLAN PROVE TO
BE LESS EFFECTIVE.
10. REMOVE ALL TEMPORARY EROSION CONTROL MEASURES UPON COMPLETION OF CONSTRUCTION AND
WITH APPROVAL FROM THE NHC EROSION CONTROL INSPECTOR. ALL PERMANENT MEASURES SHALL
BE WELL ESTABLISHED PRIOR TO PROJECT COMPLETION.
60'30'15'30'0'
Scale: 1"=30'
C-3
4
DE
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NTS
EN
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P
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REVISIONS
Wi
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7
Ph
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e
:
9
1
0
.
8
5
9
.
8
9
8
3
PROJECT NUMBER:
DRAWING NUMBER:
CHECKED:
APPROVED:
DRAWN:
DATE:
SCALE:
SHEET SIZE:
VICINITY MAP (NOT TO SCALE):
Em
a
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:
C
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2025-015
FO
R
CLIENT INFORMATION:
Pyramid Real Estate Holdings, LLC
6226 Mallard Dr.
Wilmington, NC 28403
OF 5
JAE
CDC
CDC
24x36
1/13/2026
Li
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n
s
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N
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:
P
-
0
6
6
2
NE
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,
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MA
C
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PRE
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SITE WORK NOTES:
1. THE CONTRACTOR SHALL VISIT THE SITE AND BECOME FAMILIAR WITH EXISTING CONDITIONS BOTH ON AND ADJACENT TO THE SITE.
2. CLEARING: CONTRACTOR SHALL REMOVE ALL TREES AND VEGETATION WITHIN LIMITS OF CONSTRUCTION UNLESS OTHERWISE DESIGNATED TO REMAIN.
3. GRUBBING AND STRIPPING: CONTRACTOR SHALL RAKE AND REMOVE ROOTS, STUMPS, VEGETATION, DEBRIS, EXISTING STRUCTURES ABOVE AND BELOW GRADE,
ORGANIC MATERIAL OR ANY OTHER UNSUITABLE MATERIAL WITHIN LIMITS OF CONSTRUCTION.
4. MUCKING: CONTRACTOR SHALL COORDINATE WITH OWNER AND THEIR GEOTECHNICAL REPRESENTATIVE TO COORDINATE REMOVAL OF ANY SOFT AREAS.
5. DISPOSAL: CLEARED, GRUBBED, STRIPPED OR OTHER WASTE MATERIAL SHALL BE REMOVED FROM SITE AND DISPOSED OF IN A PROPERLY PERMITTED FACILITY.
6. FILL AND COMPACTION SHOULD COMPLY WITH GEOTECHNICAL RECOMMENDATIONS.
7. THE CONTRACTOR SHALL NOTE THAT THE GRADING PLAN MAY NOT REPRESENT A BALANCED EARTHWORK CONDITION. THE CONTRACTOR SHALL BE
RESPONSIBLE FOR CUT AND FILL QUANTITIES AND COMPLETE INSTALLATION TO SPECIFIED GRADES.
8. THE CONTRACTOR SHALL FURNISH SUITABLE BORROW MATERIAL FROM AN OFF-SITE PROPERLY PERMITTED FACILITY AS REQUIRED.
9. INFORMATION CONCERNING UNDERGROUND UTILITIES WAS OBTAINED FROM AVAILABLE RECORDS. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO
DETERMINE THE EXACT ELEVATIONS AND LOCATIONS OF ALL EXISTING UTILITIES AT ALL CROSSINGS PRIOR TO COMMENCING TRENCH EXCAVATION. IF ACTUAL
CLEARANCES ARE LESS THAN INDICATED ON PLAN, THE CONTRACTOR SHALL CONTACT THE DESIGN ENGINEER BEFORE PROCEEDING WITH CONSTRUCTION. ANY
CONDITION DISCOVERED OR EXISTING THAT WOULD NECESSITATE A MODIFICATION OF THESE PLANS SHALL BE BROUGHT TO THE ATTENTION OF THE DESIGN
ENGINEER BEFORE PROCEEDING WITH CONSTRUCTION.
10. NO CONSTRUCTION IS TO BEGIN BEFORE LOCATION OF EXISTING UTILITIES HAS BEEN DETERMINED. CALL "NC ONE-CALL" AT LEAST 48 HOURS BEFORE
COMMENCING CONSTRUCTION.
11. THE CONTRACTOR IS RESPONSIBLE FOR THE LOCATION AND PROTECTION OF ALL EXISTING UTILITIES DURING CONSTRUCTION. BEFORE COMMENCING ANY
EXCAVATIONS IN OR ALONG ROADWAYS OR RIGHT-OF-WAYS, PUBLIC AREAS OR IN PRIVATE EASEMENTS, THE CONTRACTOR SHALL NOTIFY ALL APPROPRIATE
PERSONNEL OF THEIR INTENT TO EXCAVATE, IN WRITING, NOT LESS THAN 10 DAYS PRIOR TO EXCAVATING.
12. THE CONTRACTOR SHALL BE RESPONSIBLE TO COORDINATE DISCONNECTION/ RECONNECTION AND/OR THE RELOCATION OF ALL EXISTING UTILITIES WITH
APPROPRIATE PERSONNEL.
13. CONTRACTOR SHALL ADJUST ALL MANHOLES, VALVE & CURB BOXES TO FINAL GRADE UPON COMPLETION OF ALL CONSTRUCTION. ANY BOXES DAMAGED OR
OTHERWISE DISTURBED BY THE CONTRACTOR SHALL BE REPAIRED AT THE EXPENSE OF THE CONTRACTOR.
14. THE CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS AT THE SITE. FURTHERMORE THE CONTRACTOR SHALL REPORT ALL DISCREPANCIES OR QUESTIONS TO
THE ENGINEER PRIOR TO INSTALLATION.
15. THE CONTRACTOR SHALL PROVIDE ANY AND ALL LAYOUT REQUIRED TO CONSTRUCT HIS WORK UNLESS OTHERWISE DIRECTED BY OWNER.
16. ALL SERVICE CONNECTIONS SHALL BE INSTALLED TO MEET ALL LOCAL, STATE, AND CFPUA CODES. METERS, TAPS, MATERIALS, WORKMANSHIP AND ALL FEES
SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR AND SHALL COMPLY WITH ALL REQUIREMENTS.
17. ALL BACKFILL FROM UTILITY INSTALLATION MUST BE COMPACTED OR AMENDED TO PROVIDE TRAFFIC BEARING CAPACITY. GEOTECHNICAL ENGINEER TO BE
CONSULTED AT CONTRACTORS COST AS NECESSARY.
18. ALL AREAS SHALL BE GRADED FOR POSITIVE DRAINAGE. CONTRACTOR SHALL REPORT ANY DISCREPANCIES TO THE ENGINEER PRIOR TO INSTALLATION. ALL
AREAS SHALL BE SLOPED TO DRAIN AWAY FROM BUILDINGS AT ALL TIMES.
19. CONCRETE FOR WALKS, CURBS AND DRIVES SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 3000 PSI @ 28 DAYS - AIR ENTRAINED.
20. FIELD TESTING SHALL BE DONE BY AN INDEPENDENT TESTING LABORATORY PAID FOR BY THE OWNER. FURTHER TESTING REQUIRED DUE TO A FAILED TEST
WILL BE PAID FOR BY THE CONTRACTOR.
21. ALL SIDEWALKS SHALL BE FREE OF CRACKS, BREAKS, OR ANY OTHER DEFECT PRIOR TO RECEIVING A CERTIFICATE OF OCCUPANCY.
BOTTOM OFSPILLWAY EL. 37.0
3
1 31
TOP OF BANK
10'
1 3
30'
EL. 37.0
EL. 37.5
EMERGENCY SPILLWAY DETAIL
NTS
EL. 37.5
NOTES:
1. WIDTH OF SPILLWAY TO BE PROTECTED WITH RIPRAP AS SHOWN ON PLAN. REMAINING
LENGTH OF CHANNEL TO BE STABILIZED WITH EXCELSIOR MAT AND SEEDED IN ACCORDANCEWITH SPECIFICATIONS.
NTS
2" SF9.5A
8" ABC
PAVEMENT SECTION
COMPACTED
SUBGRADE
DROP INLET DETAIL
3000 PSI CONC.
NTS
BRICK MASONRY
FLOW
6"
CONC. COLLAR
6"
DROP INLET TO HAVE SAND
LEAVE OPENING AS SHOWNTRAP, DROP FOOTING 12" &
ELEV. VARIES
ASPHALT PAVEMENT
SECTION
NOTE:
8"
2'-0" 8"8"
1'-0"
VA
R
I
E
S
4"
CONC. COLLAR
SEE PLAN FOR PIPEORIENTATION
NOTE: USE DEWEY BROS.
FOR YARD INLETSBASINS AND CH-BN-47CH-BN 3A FOR CATCH
PLAN
CASTING
2.5
1
6
1
3
1
TOP OF SHELF 34.5
BOTTOM OF SHELF 33.5
CLEAN OUT 29.0
CLEAN OUT 26.0
NTS
33.033.0 CLASS "B" RIP RAP
1' MIN. TUCK
(TYP.)
NON-WOVEN
GEOTEXTILE
FABRIC
NORMAL POOL EL. 34.03
1
* POND SLOPE TO BE SEEDED IN ACCORDANCE TO SEEDING SPECIFICATIONS
* 6:1 VEGETATED SHELF TO BE PLANTED WITH WETLAND SPECIES I.E. PICKEREL WEED, DUCK POTATO, SWAMP ROSE, BLUE FLAG, & CARDINAL FLOWER. (OR ENGINEER APPROVED
ALTERNATIVE)* VEGETATED SHELF SHALL BE PLANTED WITH PLUGS OR POTS AT 24" O.C. IN A CHECKERBOARD PATTERN.
* VEGETATED SHELF PLANTING SHALL NOT BE PLANTED WITHIN 10' OF THE OUTLET STRUCTURES.
* A PUMP WILL BE PROVIDED TO DRAIN THE BASIN FOR MAINTENANCE AND EMERGENCIES* ANY PORTION OF WET DETENTION BASIN USED FOR S&EC DURING CONSTRUCTION MUST BE CLEANED OUT AND RETURNED TO DESIGN STATE BEFORE USE AS A WET DETENTION BASIN.
EL. 37.5
TOP OF BANK
DETENTION POND & FOREBAY SECTION
5' EMBANKMENT
NORMAL POOL EL. 34.0
MAIN POOL
2.5
1
1
BOTTOM 27.0
FLOOD POOL EL 35.25
MI
N
.
6"
FOREBAY
2.5
1 BOTTOM EL. 30.02.5
FOREBAY BERM BEYOND
EL. 37.5
TOP OF BANK
COIR MESH OR SIMILAR, STAPLED ORTRENCHED INTO BOTTOM OR SIDE.
STEEL SUPPORT POST24" INTO BOTTOM OR SIDE STAKE TOSUPPORT WIRESUPPORT ROPE TO WIRETO PREVENT SAGGING
CROSS SECTION
NTS
POROUS BAFFLE DETAIL
FLOW
POROUS BAFFLES
25%
SA
25%
SA
25%
SA
25%
SA
PLAN
8"
V
A
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I
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S
PLAN
1" 6" 5 3/4"
MANHOLE DIAMETERSHALL BE 1'-0"LARGER THAN THE
FORM FLOW CHANNEL
3'-3" MIN. 3'-1 3/4" MIN.
CONC.MH BLOCKS PRECAST MH RINGS
SECTION
STORM DRAIN MANHOLE DETAIL
BLOCK CONC. M.H.
NTS
8"
P
O
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E
D
B
A
S
E
8"LARGEST PIPE 8"
1. CONTRACTOR MAY USE BRICK WITH MAX. CORBEL 1" PER COURSE
2. CONTRACTOR MAY USE ECCENTRIC M.H. UNIT
6"
8"1"
MIN.
4'-
0
"
NOTE
MIN WEIGHTS:FRAME: 208 LBS.COVER: 120 LBS.
3/4" CEMENT MORTAR SEAL
STD. M.H. RING & COVER
1'-0" OCM.H. STEPS @
5 3/4
"
8"
1'-0" 1'-0"
DOT APPROVED
PRECAST 4" RISER RING
PRECAST M.H. UNITS WITH CAST IN PLACE STEPS @ 12" OC
3'-0"
SECTION A - A
6"6"
BOTTOM
4" PVC PIPEW/1.75" ORIFICE
3'-0"
PLAN
INV. 34.0 INV. 33.0
GALV. BAR GRATING - 1" x 1/8" BEARING BARS (MAX OPENING 4"). FASTEN WITH TYPE J CLIPS. ATTACH TO 1-1/4" x 1-1/4" x1/4" GALVANIZED
ANGLE FRAME. MORTAR FRAME TO TOP OF OUTLET STRUCTURE & FACE OF WEIR.
TOP OF BANK
18" RCP
1
3
6"
18" RCP
A
NORMAL POOL 34.0
2.5
1
12
"
3'
-
0
"
6"
6"
A
6"
TOP OF BOX 36.0
NTS
DETENTION POND OUTLET STRUCTURE
4" SCREW TYPE PLUG4" PVC PIPE
4" PVC CAP W/ 1.75" DRILLED HOLE ORIFICE W/
GALVANIZED WIRE CLOTH OVER SMALL
DIAMETER ORIFICE (8 MESH .020 WIRE)
12" WEIRINV. 35.25
FLOOD POOL 35.25
12
"
θ
WATER SURFACE
FRONT VIEWEND VIEW
PROSEPECTIVE VIEW
PVC ELBOW
PVC TEE
PVC END CAP
PVC END CAP
PVC PIPE (8) 12" HOLESIN UNDERSIDE
ARM ASSEMBLY
"C" ENCLOSURE
WATER ENTRY UNIT
SCEHDULE 40PVC PIPE
PVC TEE
ORIFICE PLATE
(SEE SIZE BELOW)
SCHEDULE 40 PVC PIPE
(SEE SIZE BELOW)
FLEXIBLE HOSECONNECTED TO
OUTLET STRUCTURE ORIFICE
PVC PIPE VENT
NTS
FAIRCLOTH SKIMMER DETAIL
1. SKIMMER TO BE USED IN WET PONDS AND REMOVED AFTER SITE IS PERMANENTLY STABLE.
NOTES:
SKIMMER SPECS:
SIZE= 2.5" SCH-40 PVC PIPE
ORIFICE= 2.2" DIAMETER
4" CONC. SIDEWALKw/6x6-10/10 W.W.M.
x
4"8"
4"
x x x x
x
8
4"
ASPHALT
TURNDOWN SIDEWALK
NTS
CLASS A CONC.
7"1/8"R
1"3"R
6"
1 1/2"R
3"R
1'
-
0
"
2'-0"
1'-6" 6"
ASPHALT
DRAINAGE AWAY FROM CURB
CLASS A CONC.
24" CURB SECTION
NTS
ASPHALT
7"
2'-0"
3"R
1'-6"
1/8"R
1"
6"
6"
1'
-
0
"
DRAINAGE TOWARD CURB
SHALL SLOPE AWAY AS SHOWNAWAY FROM CURB, GUTTERWHERE RUNOFF IS DIRECTED
SLOPE
SLOPE
1 1/2"R
3"R
MIN. 12-1/2 GA.INTERMEDIATE WIRES
SHALL HAVE A MIN. OF SIX LINE WIRES WITH 12" STAY
36" IN WIDTH. FABRIC SHALL BE FASTENED
SELF-FASTENER STEEL ANGLE TYPE.
1. FENCE FABRIC SHALL BE A MIN. OF 32" IN WIDTH AND
2. FABRIC SHALL BE FOR EROSION CONTROL AND MIN. OF
ADEQUATELY TO THE WIRE FABRIC AS DIRECTED BY THE
3. STEEL POST SHALL BE 5'-0" IN HEIGHT AND BE OF THE
TEMPORARY SILT FENCE
NTS
SPACING.
ENGINEER.
NOTES:
VARIES (6'-8' MIN.)AS DIR. BY ENG.
STEEL POST
FI
L
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R
F
A
B
R
I
C
WIRE FABRIC
FILTER FABRIC
4"
8"6"
ANCHOR
FABRIC
SKIRT AS
DIRECTED
BY
ENGINEER
TEMPORARY GRAVEL
CONSTRUCTION ENTRANCE
NTS
PUB
L
I
C
R
O
A
D
COARSE AGGREGATE2" - 3"
6" MIN.REQ
U
I
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E
D
AS
50' M
I
N
.
12' M
I
N
.
GEO FABRIC LINER
CONSTRUCTION ENTRANCE TO BE 12' OR ENTIRE WIDTH OFNOTE:
ENTRANCE. WHICHEVER IS GREATER.
HARDWARE CLOTH AND GRAVEL INLET PROTECTION
NTS
2'
2'
4' MAX.
NCDOT #5 OR # 57WASHED STONE
2:1 16
"
19-GAUGE HARDWARE CLOTH(1/4 MESH OPENINGS)
FILTERED
WATER
INSPECT INLETS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT
(12 INCH OR GREATER) RAINFALL EVENT. CLEAR THE MESH WIRE OFANY DEBRIS OR OTHER OBJECTS TO PROVIDE ADEQUATE FLOW FORSUBSEQUENT RAINS. TAKE CARE NOT TO DAMAGE OR UNDERCUT
THE WIRE MESH DURING SEDIMENT REMOVAL. REPLACE STONE AS
NEEDED.
MAINTENANCE:
CONSTRUCTION SPECIFICATIONS:
1. UNIFORMLY GRADE A SHALLOW DEPRESSION APPROACHING
THE INLET.
2. DRIVE 5-FOOT STEEL POSTS 2 FEET INTO THE GROUNDSURROUNDING THE INLET. SPACE POSTS EVENLY AROUND THE
PERIMETER OF THE INLET, A MAXIMUM OF 4 FEET APART.
3. SURROUND THE POSTS WITH WIRE MESH HARDWARE CLOTH.
SECURE THE WIRE MESH TO THE STEEL POSTS AT THE TOP,
MIDDLE, AND BOTTOM. PLACINGA 2-FOOT FLAP OF WIRE MESH
UNDER THE GRAVEL FOR ANCHORING IS RECOMMENDED.
4. PLACE CLEAN GRAVEL (NCDOT #5 OR #57 STONE) ON A 2:1 SLOPE
WITH A HEIGHT OF 16 INCHES AROUND THE WIRE, AND
SMOOTH TO AN EVEN GRADE.
5. ONCE THE CONTRIBUTING DRAINAGE AREA HAS BEENSTABILIZED, REMOVE ACCUMULATED SEDIMENT, AND
ESTABLISH FINAL GRADING ELEVATIONS.
6. COMPACT THE AREA PROPERLY AND STABILIZED IT WITH
GROUNDCOVER.
ENERGY DISSIPATOR
NTS
SECTION A - A FILTER FABRIC
SEE PLAN
SEE PLAN
SE
E
P
L
A
N
1. CLASS "B" RIP RAP TO BE USED FOR ALL ENERGY DISSIPATOR AREAS.
NOTES:
C-4
5
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A
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S
NTS
EN
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G
,
P
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C
IN
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A
C
O
A
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T
A
L
REVISIONS
Wi
l
m
i
n
g
t
o
n
,
N
o
r
t
h
C
a
r
o
l
i
n
a
2
8
4
0
3
57
2
5
O
l
e
a
n
d
e
r
D
r
.
U
n
i
t
E
-
7
Ph
o
n
e
:
9
1
0
.
8
5
9
.
8
9
8
3
PROJECT NUMBER:
DRAWING NUMBER:
CHECKED:
APPROVED:
DRAWN:
DATE:
SCALE:
SHEET SIZE:
VICINITY MAP (NOT TO SCALE):
Em
a
i
l
:
C
h
a
r
l
i
e
@
i
n
t
r
a
c
o
a
s
t
a
l
e
n
g
i
n
e
e
r
i
n
g
.
c
o
m
2025-015
FO
R
CLIENT INFORMATION:
Pyramid Real Estate Holdings, LLC
6226 Mallard Dr.
Wilmington, NC 28403
OF 5
JAE
CDC
CDC
24x36
1/13/2026
Li
c
e
n
s
e
N
u
m
b
e
r
:
P
-
0
6
6
2
NE
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
,
N
C
WI
L
M
I
N
G
T
O
N
MA
C
H
I
N
E
R
Y
PRE
L
I
M
I
N
A
R
Y
DRA
W
I
N
G
D
O
N
O
T
U
S
E
FOR
C
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N
S
T
R
U
C
T
I
O
N