NCC230526_Site Plan or Location Map_20230224

l�hF�C��SS�R p'OPD
RIVER'S EDGE PINE 1SNCJtL DR.
APARTMENTS �y�
S.R.
WATERFORD
fl�
APARTMENTS s�0 ho
SITE ,
CHAPEL HILL RD.
O8�9 ��
VICINITY MAP (N.T.S.)
LEGEND
DIVERSION BERM W/ MATTING
DIVERSION BERM (TYP-)
,,,,;,IM e,a. ,.,.,:' a .'sm:...:.
CONSTRUCTION LIMITS (TYP.)
- -x- - -x- - -x-
SILT FENCE TYP.
CHECK DAM
GRAVEL. BERM
REINFORCED SILT FENCE OUTLET
TEMPORARY GRAVEL
CONSTRUCTION ENTRANCE
LOA
INLET PROTECTION
y' '4' u' w
ar w W
WETLANDS
RIP RAP APRON
-,.,-
BAFFLES
PERMANENT POND RISER W/ TEMP.
SKIMMER
TEMP. SKIMMER. W/ OUTLET
APRON
. - .-.--
-FM- FORCE MAIN
EX. OVERHEAD ELECT.
- ._-- _-- _-- 0! - - -- --
EXISTING CONTOUR
101
PROPOSED CONTOUR
TURF MATTING ON SLOPE
EX. SANITARY SEWER
... ............ . ....... ........... _ ,_. ,......
EX STREAM LINE
T ail RA Y SEDIMENT SKIMMER BASINS
BASIN ID
TSSB-1
TSSB-2
(DRAINAGE AREA (AC)
1.162
.44
DISTURBED AREA (AC)
1.162
.44
REQUIRED STORAGE VOLUME
(CUBIC FEET)
2092
7J7
REQUIRED SURFACE AREA. SO. FT.
1416
540
AVG, LENGTH
120'
45'
AVG. WIDTH
12'
18'
DEPTH
2.0'
2.0'
ACTUAL SURFACE AREA SQ. FT
1440
810
ACTUAL STORAGE VOLUME (CUBIC
FEET)
TOP ELEVATION ( ALL ELE. IN FT)
2880
187.00
1620
186.00
EMERGENCY SPILLWAY ELEVATION
185.50
184.50
S.A. ELEVATION
185.50
184.50
BOTTOM ELEVATION!
183.50
182.50
SKIMMER SIZE (INCHES)
1.511
1.5"
SKIMMER ORFICE SIZE (DIAMETER)
(INCHES
1.011
i�
611
EMERGENCY SPILLWAY "WIDTH
(FEET)
121
12°
Q=+CIA (C-0.5, 1=7.5) (CFS)
4.36
1,66
TEMP. GRAVEL CONST. ENTRANCE 'y/Cr -- --
-- (TYP.) ',1 H/D
EX. DROP INLET (A4)
SILT FENCE BAFFLES
(TYP.) (TYP.)
SILT FENCE
(TYP.)
M/,
GRAVEL BERM ACROSS R/W
`V (TYP.)
�! 441! U
NOTE:TEI PORARY SKIMMER BASIN
TSSB-1 and TSSB-2 WILL BE REMOVED
l ONCE STORM DRAINAGE IS INSTALLED j
AND DIRECTING SITE RUNOFF DOUBLE ROW
4F % SILT FENCE
4#V
�ATERFORD POND #2. -ING FIRE (TYP.)
-I YI]IR AN T
41
41 V w 41
t t 4 REINFORCED SILT
FENCE OUTLET (TYP.) I
W 4i C
V A/ 4�
REINFORCED SILT a
I `I' FENCE OUTLET (TYP.)
w w
STORM CB1
44
I
Id
_14 DAY GROUND �STORM CB3
STABILIZATION REQ'D (TYP.)
4
4 CONSTRUCTION
LIMITS (TYP.) r -%
Ai
r
PARKING LOT TEMPLATE TOBE .co
EX. DRGP INLET Al
USED AS DIVERSION BERM UPON J
COMPLETION OF SITE GRADING
REINFORCED SILT ,+� AND CONSTRUCTION (TYP.)
L FENCE OUTLET (TYP.)
c,
4i
TSSB #1 TDB - "AT'
OUTLET-1 W/TURF MATTING REQUIRED ALONG ENTIRE aRF
OUTLET TO DISCHARGE INTO p LENGTH OF TDB-C2 (157 S.Y. MAX) (TYP.)
EX. DROP INLET (A4). ,. *7 DAY STABILIZATION REQD
852
;�,.30
► +,�
fi +►%✓ .
BAFFLES
I
Y
f
F
t
V f
1
TSSB
(�TEMP. SEDIMENT
Dim
SK IMM ER BASIN
MWAFAW-
co
Buffer Zphe/No
SILT FENCE
,
I
a
rr !:
{ ,7
l a
I
b
t'
f
tM
f
iM
i
�4
a, �r
•IK �� Y i
1 F
I6 d
1
r
•,
PARKING LOT TEMPLATE TO BE -
USED AS DIVERSION BERM (TYP.) h
CONSTRUCTION /
LIMITS (TYP.)
(DEED
r#:0512-25-4508
s PG. 858
. PROPERTY Zi ■ s
6.) VERTICAL DATUM IS NAVD88
30 15 0 30 60 90
SCALE 1" = 30'
1
�Z-
�1
0
0 I`
_ to 0
REINFORCED SILT
FENCE OUTLET (TYP.)
r�
TSSB #2 xIr-1
OUTLET-2
TSSB #2 0
SKIMMER {TYP.) Dun 45' x 18' �� L
TEMP, SEDIMENT `
SKIMMER BASIN 1 C T
W/ Baffles equally spaced I
at 11.25 It, 1
TDB B2"
W/ TURF MATTING REQUIRED ALONG ENTI
LENGTH OF TDB B2 (96 S.Y.MAX) (TYP.)
*7 DAY STABILIZATION REQ'D
"V 22"
7 TDB - "BI„
2 *7 DAY STABILIZATION REQ'D
SILT FEN,
- m (TYP.)
CIIECI' DAM
t
89 (TYP.) CONSTRUCTION
LIMITS (TYP.)
t _ **14 DAY GROUND
9 STABILIZATION REQ'D (TYP.),'
�.4" �r
PARKING LOT TEMPLATE TO BE
1s9 USED AS DIVERSION BERM (TYP.)
INLET �`
PROTECTION (TYP.) /
/ 0,
STORM oil
r n
F\!l ,.
x
f
CONSTRUCTION
LIMITS (TYP.)
t�4 Y, g I
P 1 X
d
3 i
1-I
4
k
1
Y \ 0 9,.�
_asern nt ij
s
%f
r3
O
f
k
r�
1
C NIF:
5T D 13 �-a• STORM
T T LITTLERIVER
INVESTMENTS LL.
�,. 639CUTIVE PL 400
�o ,>
w -FAYETTEVILLE, NC 28303
PIN#0 - - 08
f
P L A,T 4° 01 , 0
EE 1 0, 0 58
TURF MATTING AT
THE NORTHEASTERN
PROPERTY CORNER SLOPE
(646 S.Y. MAX) (TYP,)
*7 DAY GROUND STABILIZATION
,/ REQ'D ('TYP.)
I� XISTING �F�IRE
HYDRANT
e
a
ROLLMAX 150 TO BE USED ON ALL SLOPED SECTIONtS REQUIRING M[ATTIINIG.
TEMPO
Y DIVERSION
BERM VELOCITY CALCULATION
BERM
SECTION
$E
S PES
BOTTOM
WIDTH
MIN. DEPTH AREA (AC)
(FT)
C-CUMMULATIVE
VELOCITY
(F/S)
LINING
TDB -Al
3:1; 8:1
1'
1'
.09 AC
.34 cfs
1.93 F/S
NO
TDB-A2
3:1; 8.1
1 °
1'
1.162 AC
4.36 cfs
4.06 F/S
YES
TDB-B1
3:1; 8:1
1'
1'
.200 AC
.75 cfs
1.93 F/S
NO
TDB-B2
3:1; 8:1
1'
1'
.440 AC
1.65 cfs
2.32 F/S
YES
TURF REINFORCEMENT MATTINGTO LINE
HALFWAY UP THE SIDE OF DIVERSION
BERM AND TO EXTEND UP TO TI IF SAME
ELEVATION ON TI IL EXISTING GROUND
2'
COMPACTED
SOIL.
MIN
J.,
6' TYPICAL
DIVERSION BERM W/
ROLtMAX S150TEMPOIZARY
TURF REINFORCEMENT MATTING
(N ES )
=11111,. t",
F
Rip Rai - d 50
Id
ado -a-
GROUND STABILIZATION
SITE AREA
STABILIZATION
EXCEPTIONS
DESCRIPTION
TIME FRAME
PERIMETER DIKES,
7 DAYS
NONE
SWALES, DITCHES &
SLOPES
HIGH QUALITY
7 DAYS
NONE
WATER ZONES
(HOW)
SLOPES STEEPER
7 DAYS
IF SLOPES ARE 19
THAN 3:1
OR LESS IN LENGTH
AND ARE NOT
STEEPER THAN 2:1,
14 DAYS ARE
ALLOWED
SLOPES 3:1 OR
14 DAYS
7 DAYS FOR
FLATTER
SLOPES GREATER
THAN 50' IN LENGTH
ALL OTHER AREAS
i4 DAYS
NONE (EXCEPT FOR
WITH SLOPES
PERIMETERS AND
FLATTER THAN 4:1
HOW ZONES)
EC -CONSTRUCTION S CHh,I}UI.E OUTLINE
FOR CLEARING, GRUBBING & MASS GRADING
f. Obtain all. permits before beginning constr
uction.
p g g
2. Install gravel construction entrances at the locations shown, then install all silt fences
and silt fence reinforced outlets around the perimeter of the construction area.
3. Construct temporary skimmer basin #1 (TSSB-I), and temporary skimmer basin#2
(TSSB-2).
4. Clear and grub, strip topsoil and construct all diversion benns, check dams and
n the erosion control plan with turf reinforcement mattin .
armor the berms noted o p g
5, Topsoil to be placed as necessary for future use on site.
6. Continue clearing and grubbing of the site as necessary.
7. Provide temporary seeding & mulching as necessary to stabilize the outer perimeter
of the site.
8. Seed and mulch all completed diversion beans within 7 days of their completion.
the site 'while maintaining
9. Continue mass grading h g all erosion control measures and
diversion berms duringthe site's grading.
g g
After t' all site radio re -spread topsoil, fine grade, seed and mulch all
10. A r completion of grading, p p g ,
disturbed areas that will not be disturbed by the site's utility work by providing
ground cover within 7 to 1.4 days per NPDES requirements.
FOR STREET & UTILITY CONSTRUCTION
11. Begin utility construction for the proposed stone, sewer and water mains. Install all
necessary storm drainage manifolds.
12, Install inlet protection around all proposed storm drainage as necessary to keep
sediment laden storm runoff from entering the stone drainage network. Install gutter
1 Maintain all inlet
buddies around inlet protection devices within paved areas_ T✓lainta a e
P p
protection in non -paved areas.
13. Once all storm is in pla
ce direct required stone runoff through new Inlet protected
p q g
storm system which wit] be diverted to Waterford's main water detention pond #2.
Then b i ackfill the temporary skimmer basins.
14. Continue Fine radio 0 fthe subgrade for the parking lots, entrances and building
grading �• p g g
ad as necessary,
rl'
15. Pour all concrete curb, set storm drainage frames & grates and spread ABC stone in
parking lots as proposed_ Four concrete aprons around building's truck docks as
shown.
Fine t parking lots as well as truck entrances to the recommended
16 F grade all stone in
g P g
v parking
pavement structures. Pave p g lots and entrances.
in with topsoil, grade, seed and mulch or landscape.
17. Backflll behind all Curbing p , gr e p
18. Seed and mulch all disturbed areas to establish ground otnid cover.
P
19. Final inspection and closeout with NCDEQ upon the establishment ofpennanent
groundcover and construction completion.
MAX L T
UTL TPROTECTIONII/ RIP RAP
APROINCALICS.
TSSB-1
OUTLET-1
TSSB-2
OUTLET-1
PIPE SIZE (do)
4"
4"
Q
.12 CFS
A2 CFS
VELOCITY
2.4 FPS
2.4 FPS
ado
1211
1211
d50
/i,l1
411
°W = La + do
6�.3'
6.3'
La (CHART MIN.)
61
6'
PIPE. SIZE (do)
"
411
THK.
1211
12"
drawn by L.S.
reviewed
s
..
„
Iiw
ui
•
44
M
i
Cn
1
r«
Ily,�Cn
y
�:..
M
-a
1.9
C
a)
"All construction to be in accordance with current applicable
Cumberland ounty, Town of Spring Lake, North.!
Field Book No.
Department of Transportation (NCDOT), and North Carolina
it Irr
Department of Environmental standards !
specifications,
�M
WATERFORD_BUILDING_ADDITION_ECPLAN