20141125 Ver 1_Site Plan_20141024

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GENERAL NOTES
1.) ALL EXISTING CONDITIONS TAKEN FROM GIS INFORMATION OBTAINED ON 7/20/2013 AND A
BOUNDARY SURVEY OBTAINE1 D ON 7118/2013 PERFORMED BY M III ENGINEERING, PLLC..
2.) THE CONTRACTOR SHALL, CONTACT " NORTH CAROLINA ONE CALL" AT 800 - 632 -4949 FOR
ASSISTANCE IN LOCATING EXISTING UTILITIES. CALL AT LEAST 48 HOURS PRIOR TO ANY
DIGGING.
3.) THE CONTRACTOR SHALL. FIELD VERIFY CONDITIONS PRIOR TO STARTING CONSTRUCTION
AND NOTIFY THE ENGINEER OF ANY DISCREPANCIES. CONFLICTS INVOLVING PUBLIC WATER,
SANITARY SEWER, AND STORM DRAINAGE CONSTRUCTION SHALL BE RESOLVED TO THE
SATISFACTION OF THE TOWN OF CARY.
4.) THE CONTRACTOR IS RESPONSIBLE FOR INVESTIGATING SOIL CONDITIONS ON SITE. THE
CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY OF ANY UNSUITABLE MATERIAL
UPON FIRST CONTACT.
5.) ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH ALL TOWN OF CARY AND NCDOT
STANDARDS AND SPECIFIC /1TIONS.
8
GRAPAIC SCALE
0 0 40 80 160 X
( IN FEET )
1 inch = 80 ft
Town of Cary Project # 14 -SB -011
HTE #: 14 -1326
Approved by The Town of Cary
Development Review Committee
Planner Date
0
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THIS DRAWING IS THE PROPERTY OF.
Spaulding & Norris, PA
and is not to be reproduced or copied in whole or in part without
permission from Spaulding & Norris, PA. This drawing is not
to be used on any other project and is to be returned to
Spaulding & Norris, PA, upon request.
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PROJECT NUMBER
755-12
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GENERAL NOTES
1.) ALL EXISTING CONDITIONS TAKEN FROM GIS INFORMATION OBTAINED ON 7/20/2013 AND A
BOUNDARY SURVEY OBTAINE1 D ON 7118/2013 PERFORMED BY M III ENGINEERING, PLLC..
2.) THE CONTRACTOR SHALL, CONTACT " NORTH CAROLINA ONE CALL" AT 800 - 632 -4949 FOR
ASSISTANCE IN LOCATING EXISTING UTILITIES. CALL AT LEAST 48 HOURS PRIOR TO ANY
DIGGING.
3.) THE CONTRACTOR SHALL. FIELD VERIFY CONDITIONS PRIOR TO STARTING CONSTRUCTION
AND NOTIFY THE ENGINEER OF ANY DISCREPANCIES. CONFLICTS INVOLVING PUBLIC WATER,
SANITARY SEWER, AND STORM DRAINAGE CONSTRUCTION SHALL BE RESOLVED TO THE
SATISFACTION OF THE TOWN OF CARY.
4.) THE CONTRACTOR IS RESPONSIBLE FOR INVESTIGATING SOIL CONDITIONS ON SITE. THE
CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY OF ANY UNSUITABLE MATERIAL
UPON FIRST CONTACT.
5.) ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH ALL TOWN OF CARY AND NCDOT
STANDARDS AND SPECIFIC /1TIONS.
8
GRAPAIC SCALE
0 0 40 80 160 X
( IN FEET )
1 inch = 80 ft
Town of Cary Project # 14 -SB -011
HTE #: 14 -1326
Approved by The Town of Cary
Development Review Committee
Planner Date
0
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THIS DRAWING IS THE PROPERTY OF.
Spaulding & Norris, PA
and is not to be reproduced or copied in whole or in part without
permission from Spaulding & Norris, PA. This drawing is not
to be used on any other project and is to be returned to
Spaulding & Norris, PA, upon request.
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PROJECT NUMBER
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GRADING AND STORMWATER DRAINAGE NOTES::
1. A.LL STORM DRAINAGE PIPES SHALL BE MINIMUM CLASS III
RAP UNLESS NOTED OTHERWISE.
2. ALL STORM DRAIN FRAMES GRATES AND HOODS SHALL BE
S7AMPED WITH 'DRAINS TO RIVER IN ACCORDANCE WITH
TOWN OF CARY STANDARDS.3
3. THIS PROJECT MAY REQUIRE A PRE-CONSTRUCTION
CONFERENCE BEFORE THE GRADING PERMIT IS ISSUED.
4. CUT AND FILL SLOPES THAT ARE (2:1) OR GREATER SHALL
BE STABILIZED WITH PERMANENT SLOPE RETENTION
DEVICES OR A SUITABLE COMBINATION OF PLANTINGS
AND RETENTION DEVICES. SLOPES GREATER THAN
THREE TO ONE (3:1) SHALL NOT BE STABILIZED WITH TURF
GRASS BUT MUST BE STABILIZED WITH VEGETATION THAT
REQUIRES MINIMAL MAINTENANCE. WEEPING LOVE
GRASS, RED FESCUE OR OTHER APPROVED VARIETY.
(CHAPTER 7, PART 2, SECTION 4, (G) LDO)
5. EACH LOT IS TO BE CLEARED INDIVIDUALLY AFTER
BUILDING PERMIT IS ISSUED. IF MULTIPLE LOTS ARE TO BE
CLEARED SIMULTANEOUSLY AND THE COMBINED
DENUDED AREA IS OVER 12,000 SQ. FT. AN EROSION
CONTROL PLAN WILL HAVE TO BE SUBMITTED BEFORE
THIS CLEARING BEGINS.
6. THE TREE PROTECTION FENCING ON THIS PROJECT WILL
BE INSTALLED AND INSPECTED BEFORE THE GRADING
PERMIT IS ISSUED.
7. A, GRADING PERMIT WILL NOT BE ISSUED UNTIL THE TOWN
OF CARY HAS RECEIVED NOTIFICATION FROM THE
ECOSYSTEM ENHANCEMENT PROGRAM OR AN APPROVED
NUTRIENT OFFSET BANK THAT A RECEIPT HAS BEEN
ISSUED TO THE DEVELOPER AND THE LOCAL
GOVERNMENT STATING THE NITROGEN BUY DOWN HAS
BEEN COMPLETED.
8. THIS PROJECT WILL MEET ALL OF THE REQUIREMENTS
RELATIVE TO BEST MANAGEMENT PRACTICES AND
ENGINEERED STORMWATER CONTROL STRUCTURES AS
OUTLINED IN THE TOWN OF CARY LAND DEVELOPMENT
ORDINANCE. (CHAPTER 4, PART 4.6, LDO).
9. LEVEL SPREADERS ON THIS PROJECT MUST BE LOCATED
ON COMMON OPEN SPACE, HAVE AN ACCESS AND
MAINTENANCE EASEMENT LOCATED AROUND THEM AND
INCLUDE AN OPERATIONS AND MAINTENANCE MANUAL
AND A MAINTENANCE AGREEMENT.
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\\BLOCK SPI
EXISTk1G\WETLAND'S\
(TYP) V. ......
LEVEL SPREAbER
(SW\;HEET C-3.f)\ 'N (TO
A /30' TOWN OF CARY
WET PONDI /* SANITARY SEWEPi-M
SEE SHEAT C-3.1 EASEMENT
MIN
WETLANDS FFE EOP
458.0 457.57
EOP
457.57
P
01
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458.7 35 TOWN OF CARY
N, 0
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A EASE ENT
MIN
FFE
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SANITAI�Y SEWER
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EASEMENT
2tTOWN OF CARY
IT\AR SEWER
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SIEMEN�
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41
SANITARY SEWER LINE
TO BE ABANDONED (BY
OTHERS)
'N.
N,
20' PRIVATE
DRAINAGE
V �4 EASEMENT
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GRADING AND STORMWATER DRAINAGE NOTES::
1. A.LL STORM DRAINAGE PIPES SHALL BE MINIMUM CLASS III
RAP UNLESS NOTED OTHERWISE.
2. ALL STORM DRAIN FRAMES GRATES AND HOODS SHALL BE
S7AMPED WITH 'DRAINS TO RIVER IN ACCORDANCE WITH
TOWN OF CARY STANDARDS.3
3. THIS PROJECT MAY REQUIRE A PRE-CONSTRUCTION
CONFERENCE BEFORE THE GRADING PERMIT IS ISSUED.
4. CUT AND FILL SLOPES THAT ARE (2:1) OR GREATER SHALL
BE STABILIZED WITH PERMANENT SLOPE RETENTION
DEVICES OR A SUITABLE COMBINATION OF PLANTINGS
AND RETENTION DEVICES. SLOPES GREATER THAN
THREE TO ONE (3:1) SHALL NOT BE STABILIZED WITH TURF
GRASS BUT MUST BE STABILIZED WITH VEGETATION THAT
REQUIRES MINIMAL MAINTENANCE. WEEPING LOVE
GRASS, RED FESCUE OR OTHER APPROVED VARIETY.
(CHAPTER 7, PART 2, SECTION 4, (G) LDO)
5. EACH LOT IS TO BE CLEARED INDIVIDUALLY AFTER
BUILDING PERMIT IS ISSUED. IF MULTIPLE LOTS ARE TO BE
CLEARED SIMULTANEOUSLY AND THE COMBINED
DENUDED AREA IS OVER 12,000 SQ. FT. AN EROSION
CONTROL PLAN WILL HAVE TO BE SUBMITTED BEFORE
THIS CLEARING BEGINS.
6. THE TREE PROTECTION FENCING ON THIS PROJECT WILL
BE INSTALLED AND INSPECTED BEFORE THE GRADING
PERMIT IS ISSUED.
7. A, GRADING PERMIT WILL NOT BE ISSUED UNTIL THE TOWN
OF CARY HAS RECEIVED NOTIFICATION FROM THE
ECOSYSTEM ENHANCEMENT PROGRAM OR AN APPROVED
NUTRIENT OFFSET BANK THAT A RECEIPT HAS BEEN
ISSUED TO THE DEVELOPER AND THE LOCAL
GOVERNMENT STATING THE NITROGEN BUY DOWN HAS
BEEN COMPLETED.
8. THIS PROJECT WILL MEET ALL OF THE REQUIREMENTS
RELATIVE TO BEST MANAGEMENT PRACTICES AND
ENGINEERED STORMWATER CONTROL STRUCTURES AS
OUTLINED IN THE TOWN OF CARY LAND DEVELOPMENT
ORDINANCE. (CHAPTER 4, PART 4.6, LDO).
9. LEVEL SPREADERS ON THIS PROJECT MUST BE LOCATED
ON COMMON OPEN SPACE, HAVE AN ACCESS AND
MAINTENANCE EASEMENT LOCATED AROUND THEM AND
INCLUDE AN OPERATIONS AND MAINTENANCE MANUAL
AND A MAINTENANCE AGREEMENT.
PRELIMINARY PEAK FLOW REDUCTION
PREDISV15LOPED
POST DEVELOPED
RETURN EVENT
PEAK RUN-OFF
PEAK RUN-OEF
(YEARS)
(CFS)
(CFS)
1
13,04
1179
2
15,69
15,14
5
113.51
17.29
10
20-169,
18,98 1
Town of Cary Project # 14-SB-01 1
HTE#: 14-1326
Approved by The Town of Cary
Development Review Committee
Planner Date
GRAPHIC SCALE
t4 ri
U sv f5u 17U ?4
( IN FEET )
1 inch = 60 ft.
THIS DRAWING IS THE PROPERTY OF:
Spaulding & Norris, PA
and is not to be reproduced or copied in whole or in part without
permission from Spaulding & Norris, PA. This drawing is not
to be used on any other project and is to be returned to
Spaulding & Norris, PA, upon request.
Z a
02
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Cc
01.
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DRAWING
SHEET
PROJECT NUMBER
755-12

4
I
0
C14
LO
0
I-
9
0
0
0
00
I
INLET PIPE
18" RCP
BYPASS FLOW
NOTE 1: CONTRACTOR TO SUBMIT CUT SHEET FOR
PROPOSED BYPASS MANHOLE.
PLAN VIEW
NOT 70 SCALE
3'x3'LIGHTWEIGHT___---.
REBAR GRID
5" MIN. THICKNESS
4" CONC.-
BAFFLE
INLET PIPE
18" RCP
INV, 451.20'
OUTLET TO LEVEL SPREADER
6" DIP
INFORCED BAFFLE WALL
OUTED TO MH AT BOTH ENDS
TLET TO LEVEL SPREADER
DIP
5 CFS TO LEVEL SPREADER)
RIM = 354.50' MIN.
I .
­
iG
Cfl
-4
SECTION VIEW
STEP ACCESS
3' MIN. FOR
ACCESSIBILITY
INV. 451.10' NOT — ;0
SCALE
FLOW SPUTTER FROM BMP TO L.S.
BYPASS FLOW OUTLET
PIPE - 18" RCP
INV. 451.10-
L 6" MIN
0
0.05 CFS TO
=3
HANDLE
J
4' MINIMUM
10' ACCESS
----------
L«•
I .
­
iG
Cfl
-4
SECTION VIEW
STEP ACCESS
3' MIN. FOR
ACCESSIBILITY
INV. 451.10' NOT — ;0
SCALE
FLOW SPUTTER FROM BMP TO L.S.
BYPASS FLOW OUTLET
PIPE - 18" RCP
INV. 451.10-
L 6" MIN
PAD
—DAM TOP= 456.15'
\—SPILLWAY ELEV= 454.25'
DUCTILE IRON MAINTENANCE
DRAIN PIPE WITH SLUICE
GATE OR VALVE. (OFFUNE
FROM OUTLET AND LOCATE
VALVE IN BERM)
0.5% SLOPE MIN.
NOTES:
1. 4-6 INCH LAYER OF AMENDED SOIL IS RECOMMENDED IN ANY
AREA WHERE PLANTINGS ARE REQUIRED (SEE BMP DESIGN MANUAL).
TYPICAL WET POND SECTION VIEW BMP FIG. 4.2.2 (FITS)
PREFABRICATED
TRASH RACK-­,
W/ 2'x3' MIN
ACCESS PANEL
WELDED #4 REBAR OR
APPROVED EQUAL
TOP OF RISER
SEE CHART
0
0.05 CFS TO
OUTLET STRUCTURE
HANDLE
LITTORAL SHELF
"J
10' ACCESS
RIP RAP BERM AND
Yd Yr Yr
W/ WETLAND
W/ W
EASEMENT
Act
WEIR CLASS B RIP
SLOPE
PLANTINGS
PLANTINGS -
(T
Yry Ye
r ye
RAP 15" MIN. DEPTH.
RAP
Yr Yr Yr Yr
10' MIN.
.AP
Yr
ALP
451.00'
Ae
WIDTH
ELEVATION POINTS ON
MAINTENANCE/EMERGENCY
19?-YR:4%53.0§�Z
CONCRETE LIP
TEMPORARY POOL
2-YR:452.63,zr
1O-YRAbz.79-,7
(SEE CHART BELOW)
F.E.S. OR
M.P�5o%'
1-Y R:452.53 ry
6" DIP PIPE
HEADWALL
�Z
INV IN= 451.50'
MIN..
1
6'
PERMANENT POOL
6i;; MLI
452.00'v
SHWT= 452,00',K7
UNDER INTAKE
IPES
PIPES
*ANTI-FLOTATION DEVICE/
WETLAND RISER
JO-.J
INLET PIPE
10:1 10: SLO
ry,
DIMS
101-0
CONCRETE 2.5' DEEP
10' UTTORAL SHELF
41x4l
453.50'
WQ TURNDOWN ORFICE
ENERGY DISSIPATCR
2:1 SLOPE STABILIZED
OUTLET PIPE INVERT
1811
451.50'
TO POND BOTTOM
J
BACK OF
SEDIMENT FOREBAY
OUTLET
STRUCTURE
LOCATED AT
MAIN POND
TOE OF 10:1
SLOPE
PAD
—DAM TOP= 456.15'
\—SPILLWAY ELEV= 454.25'
DUCTILE IRON MAINTENANCE
DRAIN PIPE WITH SLUICE
GATE OR VALVE. (OFFUNE
FROM OUTLET AND LOCATE
VALVE IN BERM)
0.5% SLOPE MIN.
NOTES:
1. 4-6 INCH LAYER OF AMENDED SOIL IS RECOMMENDED IN ANY
AREA WHERE PLANTINGS ARE REQUIRED (SEE BMP DESIGN MANUAL).
TYPICAL WET POND SECTION VIEW BMP FIG. 4.2.2 (FITS)
PREFABRICATED
TRASH RACK-­,
W/ 2'x3' MIN
ACCESS PANEL
WELDED #4 REBAR OR
APPROVED EQUAL
TOP OF RISER
SEE CHART
CONCRETE RISER DETAIL NOT TO SCALE]
3
ARMORFLEX ARTICULATED BLOCK OR
APPROVED EQUAL OVER FILTER FABRIC
(TO BE INSTALLED
PER MANUFACTURER'S
SPECIFICATIONS)
15.0 FT
EMERGENCY SPILLWAY
0 0 15 30 60 12
M Mill 1 1 1 — I
NEW ---
IN FEET
I inch = 30 ft.
30'
SOD (SHALL
3" LAYER OF #57 STONE FLOW BE GROWN IN X WIDE
A NON-CLAY)
TWIDE STRIP OF
ENVIRONMENT FILTER FABRIC ::
SOD
00
a �,
ENGINEERE
FILTER STRIP
CONCRETE "LIP" MUST BE LEVEL THE ENTIRE
LENGTH OF SPREADER. SPREADER LIP
THICKNESS = 6". ELEV= 451.00
12" UNDISTURBED GROUND
3,000 PSI SOD-LINED CHANNEL 6"
6" TOPSOIL FILLJ CONCRETE DEEP, 1' WIDE. SEE PLANS
FOOTER FOR LENGTH AND
ELEVATION
NOTE: SOD SHALL BE EITHER TALL
FESCUE OR COMMON BERMUDA DETAIL OF LEVEL SPREADER
GRASS.
MAINTENANCE: 'CROSS SECTION
INSPECT THE LEVEL SPREADER AFTER, EVERY RAIN FALL UNTILL VEGATATION IS
ESTABLISHED AND PROPERLY MAKE ANY NEEDED REPAIRS. AFTER THE AREA HAS
BEEN STABILIZED, MAKE PERIODIC INSPECTIONS AND KEEP VEGETATION IN A
HEALTHY VIGORIS CONDI710N.
LEVEL SPREADER SHALL BE CONSTRUCTED PER NCBMP MANUAL
'Y
FOREBAY
0
0.05 CFS TO
HANDLE
Yr
ACCESSIBLE BRACKET
Yd Yr Yr
DRY PATH
Act
CON. RISER
C
OP}
SLOPE
Ae
(T
Yry Ye
r ye
451. 0 0'
Yr Yr Yr Yr
Y. Yr
.AP
Yr
ALP
451.00'
Ae
18" RCP
ELEVATION POINTS ON
MAINTENANCE/EMERGENCY
1.51, PV OUTLET PIPE
CONCRETE LIP
8" PLUG VALVE W/ HANDLE
TURNDOWN ORFICE
SPREADER DETAIL
(SEE CHART BELOW)
6" DIP PIPE
2.5'
INV IN= 451.50'
MIN..
6i;; MLI
NO PLANTS
4')(4'
UNDER INTAKE
IPES
PIPES
*ANTI-FLOTATION DEVICE/
WETLAND RISER
EXTENDED BASE
MANHOLE-FILL BOTTOM WITH
DIMS
ELEV
CONCRETE 2.5' DEEP
TOP OF RISER
41x4l
453.50'
WQ TURNDOWN ORFICE
1.511
452.00'
OUTLET PIPE INVERT
1811
451.50'
CONCRETE RISER DETAIL NOT TO SCALE]
3
ARMORFLEX ARTICULATED BLOCK OR
APPROVED EQUAL OVER FILTER FABRIC
(TO BE INSTALLED
PER MANUFACTURER'S
SPECIFICATIONS)
15.0 FT
EMERGENCY SPILLWAY
0 0 15 30 60 12
M Mill 1 1 1 — I
NEW ---
IN FEET
I inch = 30 ft.
30'
SOD (SHALL
3" LAYER OF #57 STONE FLOW BE GROWN IN X WIDE
A NON-CLAY)
TWIDE STRIP OF
ENVIRONMENT FILTER FABRIC ::
SOD
00
a �,
ENGINEERE
FILTER STRIP
CONCRETE "LIP" MUST BE LEVEL THE ENTIRE
LENGTH OF SPREADER. SPREADER LIP
THICKNESS = 6". ELEV= 451.00
12" UNDISTURBED GROUND
3,000 PSI SOD-LINED CHANNEL 6"
6" TOPSOIL FILLJ CONCRETE DEEP, 1' WIDE. SEE PLANS
FOOTER FOR LENGTH AND
ELEVATION
NOTE: SOD SHALL BE EITHER TALL
FESCUE OR COMMON BERMUDA DETAIL OF LEVEL SPREADER
GRASS.
MAINTENANCE: 'CROSS SECTION
INSPECT THE LEVEL SPREADER AFTER, EVERY RAIN FALL UNTILL VEGATATION IS
ESTABLISHED AND PROPERLY MAKE ANY NEEDED REPAIRS. AFTER THE AREA HAS
BEEN STABILIZED, MAKE PERIODIC INSPECTIONS AND KEEP VEGETATION IN A
HEALTHY VIGORIS CONDI710N.
LEVEL SPREADER SHALL BE CONSTRUCTED PER NCBMP MANUAL
'Y
FOREBAY
0
0.05 CFS TO
-R
LEVEL SPREADER
Yr
Yd Yr Yr
)0.
451.00'
Act
'0,x`0 STABILIZED
SLOPE
Ae
Yry Ye
r ye
451. 0 0'
Yr Yr Yr Yr
Y. Yr
.AP
Yr
ALP
451.00'
Ae
ELEVATION POINTS ON
SPREADER ALL AT SAME ELEVATION
CONCRETE LIP
10' MIN. LENGTH PER CALCS
LEVEL,
SPREADER DETAIL
Town of Cary Project# 14-SB-01 I
HTE#: 14-1326
Approved by The Town of Cary
Development Review Committee
Planner
Date
NTS
THIS DRAWING IS THE PROPERTY OF:
Spaulding & Norris, PA
and is not to be reproduced or copied in whole or in part without
permission from Spaulding & Norris, PA. This drawing is not
to be used on any other project and is to be returned to
Spaulding &Norris, PA, upon request.
LEI
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