SW8070912_APPROVED PLANS_20071018 (2)

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 O-L O 9 IZ
DOC TYPE
El CURRENT PERMIT
WAPPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2p67 PO
YYYYMMDD

AREEA TABLE
acres
PIe1/
cL mumr
PROPOSED
235MOO114
29.84
15.31
235CFOGI
1.05
0.0
235CF002
0.54
0.0
NEW PARCEL
0.0
14.53
WETLANDS
0.
/ \ NCGS
HAD 27
r� F
` ! // // t� faT } 1
�_/ / N M
iq - 56050.9410
2264713.010
OK 21L PAGE 295
(HA0 27)
Sr JAMES PLANTATION �
MAP CABOV 24 PACE 2"
+ ` 1 PIIASE 9. SWrION 17. PLAT 1 LOT n
46
for a
! i + I �♦ / SAS//
LOT 4
L' ' `� f/
�y ( �\ �l .yam' /�ti LOTS ,�\/
lot \ / -
, %6 ` lb PIN / 235CFOO1
tar a .
►,
ST. JAMES PLANTATION
MAP CABINET 24 PACE 225 f
1 PHASE 9, sLT:r1aw 17. PLAr 1 tar }I 1 1 tar a 1 tar 7ON
k\
1 1 1 EWM9 w 22543M1277
MAP DOM 206 PAGE 295
1 t 1 1 (HAD 27) /' LOTS TO PIN i
ST. JAMES PLANTATION 1 tar }4 // AM 295t �\ 1`--1 tarn 1 1 ) LOTSMBWEL?
sWTI N i�PLAT /'/ i �� �\ � LOT LINES g,
tar I}
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MAP SOW 20, PAGE 295 ! `\
tarn 1 7r �- V&W
9
Ain
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AL AIL
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fi L JkL
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AE
ST. JAMES PLAWATION rV
.04
DEED BOOK 1095, PAGE 143 'f�,
PIN / 23M000114 ,
REMAINING PROPERTY
15.31 ACRES FROM RECORD
AL
PORTION OF
PIN 12350000114
-•..
04000 ..zz • t�`�..�
201 N FRONT ST
SUrM 103
WILMiNGTON, NC 26401
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LOCATION MAP NOT To SCALE
LEGEND: El EXISTING CONCRETE MONUMENT
Q EXISTING PK NAIL
* NEW REBAR (SET)
o CALCULATED POINT (NOT SET)
R/W RIGHT OF WAY
NOTES:
TOTAL AREA BOUNDARV=632.751 aq. fL/14,53 ACRES
TOTAL AREA WETLANDm97.979 sq. ft./2.25 ACRES
\ WETLANDS SHOYM HERE ON ARE FOR INFORMATIONAL
PURPOSES ONLY. LOCATION SHOWN AS SURVEYED BY
BY STEWART ENGINEERING ON 135/29/07, BASED UPON
FLAGGED DELINEAWN BY LAND MANAGEMENT CROUP. INC.
(TO MERGE WITH PIN i 2350000114) � V . 40
Sr. JAMES PLANTATIONr
FUTURE ' MAP CAIWIET 21L PAGE 205
DEVELOPMENT PRAse 3. sirrION 17. PLAT 1
A A -
AL Ak
�
PROPS TY UNES ` ` I& A-
NEW A- s
d� A- A -
THIS CERTIFIES THAT THIS COPY OF 7M PLAT ACCURATELY DEPICTS THE �. � �L
BOUNDARY OF THE JURISDICTION OF SECTION 404 OF THE CLEAN WATER ACT AS 1� AL"
DETERMINED BY 7HE UNDERSIGNED ON THIS DATE. UNLESS THERE IS A CHANGE
IN THE LAW OR OUR PUBLISHED REGULATIONS, THIS DETERMINATION OF SECTON � TERM s
404 JURISDICTION MAY BE RELIED UPON FOR A PERIOD NOT TO EXCEED FIVE AL
YEARS FROM THIS DAIS THIS DETERMINATION WAS MADE UTOIZING THE 1987 �..
CORPS OF ENGINEERS WETLANDS DELINEATION MANUAL.
REGULATORY OFFICIAL M+
TITLE
DATE �
USACE ACTION ID
11
rd
f 1 ST. .TAMES PLANTATION MAP CABIIEr 21. PACE 131
DRUNSFICK IIARROR MARINA VILLAGE
PARCEL "tr'
SUBJECT PROPERTY IS LOCATED IN FLOOD ZONE 'AE",
ELEVATION 11, AS SHOWN IN FIRM PAItEL 1 2086 J, MAP
0372020660ML EFFEC71VE DATE .TUNE O2, 2006.
ALL BEARINGS ARE ORIENTED TO N.C. MW NORTH. ALL
DISTANCES ARE HORIZONTAL GROUND DISTANCES UNLESS
OTHERWISE NOTED.
PARCEL ID 1 2350000114
• DEED REFERENCES:
MAP BOOK 0 aA 295
MAP
BOOK
21,
PAGE
131 RECEIVED
MAP
BOOK
24.
PAGE
391
DEED
BOOK
1095, PAGE 143
MAP
BOOK
19.
PAGE
217 OCT 0 8 M
DWQ
PROJ #
OWNER: ST. JAMES PROPERTIES, LLC
P.O. BOX 10579
SOUTHPORT, NC 20461
WETLAND DELINEATION
SUI?VEY FOR
ST. JAMES PROPERTIES, LLC
LOCKWOOD FOLLY TOWNSHIP
BRUNSWICK COUNTY, NORTH CAROLINA
DATE: MAY 30. 2007 SCALE: 10mlOW
S: \Pra ects\2007\P7012—flARB0R WALK
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IQR� '- �� _--• ' '"._-.....,..._n e_._._.a ." .__ `_ Va *�\ 1
1ril1L',5 P 0TA'I10- \
\ EXISTING WATER METERS
TO BE REMOVED; LINES
TO BE ABANDONED IN
PLACE
N
\ N
i
i EXISTING TRANSFORMER TO
BE RELOCATED BY
f PROVIDER
LEGEND: 0 EXISTING CONCRETE MONUMENT
A EXISTING PK NAIL
O CALCULATED POINT (NOT SET)
X SPOT ELEVATION
EXSITING FIRE HYDRANT
pd EXSITING WATER VALVE
® EXSITING STORM DRAIN MANHOLE
DI 0 EXSITING DRAIN INLET
(S) EXSITING SANITARY SEWER MANHOLE
® EXSITING SANITARY SEWER CLEANOUT
�d EXSITING SIGNAL POLE
�7 EXSITING LIGHT POLE
—ue— EXSITING UNDERGROUND ELECTRIC LINES
�foo—EXSITING UNDERGROUND FIBER OPTIC LINES
-u9-EXSITING UNDERGROUND GAS LINE
—unk—EXSITING UNDERGROUND "UNKNOWN"
® EXSITING BORE SITE
19 EXSITING TREE
—� EXSITING SIGN
EXSITING ELECTRIC TRANSFORMER
® EXSITING BELL SOUTH BOX
w EXSITING GAS VALVE
® EXSITING BELL SOUTH MANHOLE
• EXISTING BOLLARD
EXISTING CONCRETE WHEELSTOP
EXSITING HANDICAP PARKING SPACE
L/A EXSITING LANDSCAPE AREA
q CENTERLINE
R/W RIGHT OF WAY
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Iwo 5 \ EXISTING WATER METERS NOTES.
SUBJECT PROPERTY IS LOCATED IN FLOOD ZONE "AE", >
w TO BE REMOVED; LINES ELEVATION 11, AS SHOWN IN FIRM PANEL # 2066 J, MAP
TO BE ABANDONED IN #3720206600J, EFFECTIVE DATE JUNE 02, 2006. o
PLACE * ALL BEARINGS ARE ORIENTED TO N.C. GRID NORTH. ALL p
DISTANCES ARE HORIZONTAL GROUND DISTANCES UNLESS w
s^ a \ rP \ OTHERWISE NOTED. z
PARCEL ID # 2350000114, 235CF001, 235CF002 a
ELEVATIONS ARE REFERENCED TO N.A.V.D. 1988. m
EE PROTECTIUN
NCINGe (Type}` w ae \ DEED REFERENCES:
MAP BOOK 20, PAGE 295 F
MAP BOOK 21, PAGE 131 w
MAP BOOK 24, PAGE 391 �¢ DEED BOOK 1095, PAGE 143
MAP BOOK 19, PAGE 217 z
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SHEET NOTES
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NOTE:
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UNDERGROUND UTILITY LOCATIONS BASED ON FIELD SURVEYED
1. ALL DEMOLITION, AND ANY SUBSEQUENT CONSTRUCTION, SHALL BE PERFORMED IN
LOCATIONS DESIGNATION (IDENTIFIED BY PAINT MARKS) BY THE
ACCORDANCE WITH THESE PLANS AND SPECIFICATIONS SET FORTH AND APPROVED BY
0
INDIVIDUAL UTILITY COMPANIES AND INFORMATION TAKEN FROM
BRUNSWICK COUNTY.
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PLANS. STEWART MAKES NO GUARANTEE THAT THE
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UNDERGROUND uTiuTlEs SHOWN COMPRISE ALL UTILITIES IN THE
2. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING ALL REQUIRED PERMITS. ALL
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AREA, EITHER IN SERVICE OR ABANDONED. STEWART FURTHER
CONSTRUCTION SHALL BE IN ACCORDANCE WITH PERMITS AS ISSUED, AND ANY AND ALL
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DOES NOT WARRANT THAT HE UNDERGROUND UTILITIES SHOWN
APPLICABLE STATE, COUNTY AND LOCAL CODES.
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ARE IN THE EXACT LOCATION INDICATED.
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3. EXISTING IMPROVEMENTS DAMAGED OR DESTROYED DURING CONSTRUCTION SHALL BE
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REPLACED OR RESTORED TO THEIR ORIGINAL CONDITION, AND TO THE SATISFACTION OF
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NOTE:
THE OWNER OF THE IMPROVEMENTS.
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TREES LOCATED .AS PER HERITAGE TREE SURVEY REQUIREMENTS.
LL
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OIH17R TREES EXIST ON SITE BUT WERE NOT LOCATED.
4. THE CONTRACTOR SHALL OBTAIN AND PAY FOR ALL INSPECTIONS, CERTIFICATIONS,
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AND/OR ANY OTHER REQUIREMENTS WHICH MUST BE MET UNDER CONTRACT.
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5. ENGINEER AND/OR OWNER DISCLAIM ANY ROLE IN THE CONSTRUCTION MEANS
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AND/OR METHODS ASSOCIATED WITH THE PROJECT AS SET FORTH IN THESE PLANS.
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6. CONTRACTOR SHALL MAINTAIN AN "AS BUILT" SET OF DRAWINGS TO RECORD THE
ACTUAL LOCATION OF ALL PIPING PRIOR TO CONCEALMENT. DRAWINGS SHALL BE GIVEN
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TO THE ENGINEER AT REGULAR INTERVALS THROUGHOUT THE PROJECT FOR RECORD
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KEEPING.
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7. IF DEPARTURES FROM THE DRAWINGS OR SPECIFICATIONS ARE DEEMED NECESSARY BY
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THE CONTRACTOR, DETAILS OF SUCH DEPARTURES AND REASONS THEREOF SHALL BE
SUBMITTED TO THE OWNER FOR REVIEW. NO DEPARTURES FROM THE CONTRACT
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DOCUMENTS SHALL BE MADE WITHOUT THE EXPRESS WRITTEN PERMISSION OF THE
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OWNER.
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8. THE CONTRACTOR MUST, AT ALL TIMES, KEEP THE PREMISES FREE FROM
ACCUMULATIONS OF WASTE MATERIALS OR RUBBISH CAUSED BY HIM, HIS EMPLOYEES, OR
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HIS WORK. ALL DEBRIS SHALL BE REMOVED FROM THE PROJECT SITE ON A DAILY BASIS.
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DEMOLITION NOTES
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1. PRIOR TO ANY CLEARING, GRADING OR CONSTRUCTION ACTIVITY, TREE PROTECTION
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FENCING WILL BE INSTALLED AROUND PROTECTED TREES OR GROVES OF TREES. AND NO
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CONSTRUCTION WORKERS, TOOLS, MATERIALS OR VEHICLES ARE PERMITTED WITHIN THE
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TREE PROTECTION FENCING.
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2. ELECTRICAL UTILITY SERVICES TO BE REMOVED SHALL BE REMOVED OR RELOCATED
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SHADING LEGEND (AS INDICATED) BY THE UTILITY PROVIDER. CONTRACTOR SHALLVe
COORDINATE THIS WORK WITH THE APPROPRIATE SERVICE PRO C
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M LIMITS OF DISTURBANCE OCT 18 YOOJ z
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EXISTING TREE TO BE REMOVED GRAPHIC SCALE PROD
OEXISTING TREE TO REMAIN
—TP— TREE PROTECTION
( IN FEET )
i inch = 80 it
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copyrlgbt and other added, 119bt Hwa and.1deh rereln tad pF,a, Engineering, Inc. prey are net
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permlssbn NSammm Englneering, Inc.
272 North Front Street
Suite 500
Wilmington, NC 28401
910/254-0222
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II FINAL I W PURP S SR RE IIONLY
PROJECT:17007
DATE: 10.09.07
REVISIONS: DATE
DRAWN BY: MTJ/NJL
CHECKED BY: JTJ
EXISTING CONDITIONS
W/ DEMOLITION
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- - - - _.- - - 1,,RIM= 13,80 -_
l.(JT /, - � / \\ \\ ! %ffrf F aNV= 90.70 C 9e INV=
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6.50 BOYL v,5 C -
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8 12 p p
ff r" I - _ .,----7-- � if x\
\ A-42
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INV (BASIN)=
WETLANDS WEIR EL.=
It INV (BYPASS)=
,III,
8.50 TOW ail,
zso BOW A-31
dl l' A-30
VEGETATED FILTER
"1I1, A -
LEVEL SPREADER Is
Olt, LENGTH= 23'
\ RIPRAP DISSIPATER A-28
5`L73.8'W-9"D 11,
CLASS A
A-
FES-2
J A V ES- PIA-VT1770 `% 011, INV.- 7.20 A-26
alt,
A-25
8.50 TOW
7.50 BOW
IIr A-24
11.50 TOW
aIt, 7.50 BOW
- A-2
8.
\ WETLANDS 50 TOW7.50 Bow A
d11' sill,
A-19\,__
A-18
,IV, sell,
S T J -1 JJJ,'S PZ Al 'N TA T IO A'
A-16 �!
A-14
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A-11
A-10
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A-9 A-£
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A-3
WETLANDS
II,
A-2
=
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/ RIM= 10.80 ; INV= 7.70.70 !_
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/ RIM= 10.70
{s' INV= 6.65
N/ WEIR EL.= 8.65
INV (BYPASS)= 6.65
ST JA.V S PL.1 N'T<iT10,
1IR1 N IRMOH 11-!R/` 1 [ II,L9 rL'
, I'/ ,,t�,
-DETENTION BASIN 2
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8'L-6'W-9"D
CLASS A
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GENERAL GRADING NOTES
1. ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE FIELD
VERIFIED BY THE CONTRACTOR PRIOR TO CONSTRUCTION. CONTRACTOR
SHALL NOTIFY CONSTRUCTION MANAGER IF ANY DISCREPANCIES EXIST PRIOR
TO PROCEEDING WITH CONSTRUCTION FOR NECESSARY PLAN OR GRADE
CHANGES. NO EXTRA COMPENSATION SHALL BE PAID TO CONTRACTOR FOR
ANY WORK DONE DUE TO DIMENSIONS OR GRADES SHOWN INCORRECTLY ON
THESE PLANS IF SUCH NOTIFICATION HAS NOT BEEN GIVEN.
2. UNLESS OTHERWISE NOTED, GRADES AND SPOT ELEVATIONS NOTED ON
PLANS INDICATE FINISH GRADE OR PAVEMENT SURFACE.
3. WHEN HAND SEEDING, MULCH (HAY OR STRAW) SHOULD BE UNIFORMLY
SPREAD AND TACKED OVER SEEDED AREA WITHIN 24 HOURS OF SEEDING.
4. DURING UNSUITABLE GROWING SEASONS, MULCH WILL BE USED AS A
TEMPORARY COVER ON SLOPES THAT ARE 4:1 OR STEEPER, MULCH WILL BE
ANCHORED.
5. ALL STORM DRAINAGE PIPING TO BE 15" RCP, CLASS III, UNLESS
OTHERWISE SPECIFIED
6. TOTAL DISTURBED AREA= 10.50 Ac.
STORM NOTES
1. DEMOLITION, AND SUBSEQUENT CONSTRUCTION OF STORM DRAINAGE
FACILITIES SHALL BE PERFORMED IN SUCH A MANNER THAT THE OLD
PIPE AND STRUCTURES ARE REMOVED AND NEW STRUCTURES AND PIPING
ARE IMMEDIATELY PUT INTO SERVICE. CONTRACTOR SHALL ENSURE THAT
STORM DRAINAGE DOES NOT REMAIN OUT OF SERVICE FOR LONGER THAN
12 HOURS AT A TIME. PROVISIONS SHALL BE MADE TO MAINTAIN STORM
WATER DRAINAGE DURING CONSTRUCTION.
2. ROOF DRAINAGE PIPES TO BE CONNECTED TO NEAREST STORM
DRAINAGE INLET.
0C11 IICG ►G ►w
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PROPOSED STORM MANHOLE
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PROPOSED AREA DRAIN
PROPOSED CATCH BASIN
PROPOSED STORM DRAINAGE
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- - - - - -
- PROPOSED STORM DRAINAGE EASEMENT
.m
GRAPHIC SCALE
( IN FEET )
1 inch = 60 ft.
201 N. FRONT STREET
SUITE 103
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910/254-0228 FAX
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FINAL DRAWINGS FOR
REVIEW PURPOSES
ONLY
PROJECT:17007
DATE: 10.09.07
REVISIONS: DATE
DRAWN BY: MTJ/NJL
CHECKED BY: JTJ
OVERALL DRAINAGE
AND GRADING PLAN
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HEADER 1
DETAIL A
N.T.S.
FRAME, GRATE, & HOOD
PER D.O.T. STD. 840.03C
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INV .,
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B-2
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PUMP STATION
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B-1
HEADER 2
DETAIL B
N.T.S.
PIPE INV
DETAIL C-C
N.T.S.
MH TOP 12.00
TO STORMWATER
PUMP STATION
(SEE DETAIL 1 /902)
12" HDPE PIPE
GRAPHIC SCALE
( 1K FEET )
1 inch = 10 tt
201 N. FRONT STREET
SUITE 101
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WILMINGTON, NC 28401
9
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T 910.796.0145
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STAINLESS STEEL 4" N-12 ACCESSS RISERS
PIPE STRAPPING (TYP.)
5' 2.5' 5' - 2.5' 5' 2.5' 52.5' 5'
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ANTI —FLOTATION BASE
39' X 49'-12" THK
DETAIL B-1
N.T.S.
NOTE: DOUBLED STAINLESS STEEL
PIPE STRAPPING AT EACH
CONNECTION. STRAPPING REQUIRED
ALSO AT MIDPOINT BETWEEN
CONNECTIONS
DETAIL B-2
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STAINLESS STEEL
L3X3X1/
#4 ® 18" O.C.
E.W. TOP AND
BOTTOM (TYP.)
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272 North Front Street
Suite 500
Wilmington, NC 28401
910/254-0222
910/254-0228 FAX
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FINAL DRAWINGS - FOR',
REVIEW PURPOSES
ONLY
PROJECT:17007
DATE: 09.10.07
REVISIONS: DATE
DRAWN BY: MTJ/NJL
CHECKED BY: SET
DETENTION BASIN 1
DETAILS
C301

MODIFIED A-1
CURB INLET
(CB-15)
a
a
a.
tl
A-2 A-2
0
A-1
PUMP STATION
(SEE DETAIL 2/C902)
DETAIL A
N.T.S.
FRAME, GRATE, & HOOD
PER D.O.T. STD. 840.03C
INV OUT 6.65
(BYPASS)
DETAIL A-1
N.T.S.
a
72"
BYPASS WEIR
INV 8.65
.M.��yw.V� •J LJ: �iJ.. 4 .
INV 6.65
INV OUT 6.65
(STORAGE)
1.65
—1.35
r
24'
dq
d e
d
e
7' RISE
w
9
d
a .d a' °.aq .15.e _ 36"
d
ANTI —FLOTATION BASE
30` X 150'-36" THK
TO STORMWATER
III
PUMP STATION SEE
PIPE INV 1.65� DETAIL 2/902
Q
e, a
12" HDPE PIPE
DETAIL A-2
N.T.S.
GRAPHIC SCALE
( IN FEET )
1 inch = 10 ft.
201 N. FRONT STREET
SUITE 103
0
WILMINGTON, NC 28401
T 910.796.0145
CS
>
F 910.796.0146
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www.stewaft-eng.com
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copV[I9ryt antl p[ryelpmpertY �Igh[lews anE shall remain Me piopeM aSNwaK Enpinee�lnp�Nc. iheYarenat
[o be cppled. motlllleb� p[ cM1angeE In any manna! wryatsaeve[ nwasslgnebta a tM�tl patty wllM1outpNolwtdten
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POSES
ONLYI)
PROJECT:17007
DATE: 09.10.07
REVISIONS: DATE
DRAWN BY: MTJ/NJL
CHECKED BY: SBT
DETENTION BASIN 2
DETAILS
C302

25
9
9
4
\ t
y
\ t
36'
\ pi
\ 4
1,
VEGETATED \
OVERFLOW SPILLWAY \
\
\\ J J
f /
J
J
3 PVC STORMWATER
FORCE MAIN
INV. OUT= 12.50'
EL= 14' —
S(p 6"X12" LEVEL
F� SPREADER
EL= 13' B\
SLOPE= 3:1 30' 3" LAYER
_ #57 STONE
EL= 12'
SIN SITU SOIL.
CLASS I RIPRAP —
SPLASH PAD — 3' WIDE
(DEPTH=1') FILTER FABRIC
FILTER FABRIC CONCRETE FOOTER
DETAIL A
N.T.S.
EFFECTIVE INFILTRATING AREA
A= V/2*(K*T)
WHERE:
A = EFFECTIVE INFILTRATING AREA (SF)
V = VOLUME OF WATER (CF)
K = HYDRAULIC CONDUCTIVITY (IN/HR)
T = DEWATERING TIME (DAYS)
A = 25,391 CF/2 * (3.3 IN/HR * 2.11 DAYS)
= 1823 SF
AREA PROVIDED = 1875 SF
PVC STORMWATER
FORCE MAIN
RIPRAP SPLASH
PAn
r J
� J /
J
J
J
m"r
'J
J�
J ✓
J J
J�
J
6' BERM (TYP)
PERMANENT SEEDING
EL= 14' — —_— FOR SLOPE STABALIZATION
(SEE SEEDING SCHEDULE
SHEET C907)
OVERFLOW SPILLWAY
EL= 13'
90'
\ SLOPE= 8:1
EL= 12' MAX SLOPE = 0.05% (LEVEL)
EL= 11.67' OPE= 3:1
I SL
7SLOPE=3:1
SHWT
EL= 9.00' IN —SITU SOIL
4" MIN. CLEAN SAND INFILTRATION RATE = 3.3 IN/HR
SECTION A —A'
N.T.S.
ACCESS EASEMENT
s
a OCT 17 2007
DWQ
o a PRoJ # 5w� 0-+0 712
GRAPHIC SCALE
( IN FEET )
1 inch = 10 R.
201 N. FRONT STREET
SUITE 103
0
WILMINGTON, NC 28401
S
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T 910,796.0145
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wM1atsoever mrasslgneCte a tM1IN pax. wMout pno.wx.ren
pvmlvbn p(5@Mrt EngN�xriq• Inca
272 North Front Street
Suite 500
Wilmington, NC 28401
910/254-0222
910/254-0228 FAX
C1ineDesignAssoc.com
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FINAL
REVIEWONUY OS SR II
PROJECT:17007
DATE: 10.16.07
REVISIONS: DATE
DRAWN BY: MTJ/NJL
CHECKED BY: JTJ
INFILTRATION BASIN
DETAILS

J.t
UZ
E.asiraSn£ormaticn
Drainage Area'1
_; y ..
rDrainage A.raa2
'., .
Receiving Stream Name
Intracoastal Waterway
Receiving Stream Class
SA;. 40W
Drainage Area
2e1;447 s€=6.002 se
FxtsUng Inrper✓ious* Area.
Proposed Impen lous`Area
203,000 st = 4.660 ac
% Impervious"Area (total)
77.6 %
Impervious' Sairfaee Are ..
.Drainage Area t-
i3raliiage Araa;2
On -site Buildings
100,70D sf = 2.312 ac
Con -site Streets
On -site Parking
77,219 at =1.773 ac
On -site Sidewalks
25,081 st= 0.675 ac
Other on -site
Off -site
Total: 203,000 sf = 4.660 ac
Totalr
* Impervious area is defined as the built upon including, but not limited to, buildings, rands, parking areas,
sidewalls,gravel arws, etc.
Storage Required for first inch and a half over entire drainage area j
Drainage Area
Required Storage. for 1st Inch and a half of runoff
1 Total Drainage Area
1.012 ac___
Simple Method i
_=j
Impervious Area 1
_
0.9_79lac
_
_Total
Percent Impervious ¢
97%1
Rv 0.05 + 0.009(
._.._
..._�r_ —
i %Impervious = 97% !
Depth of runoff storage =1
1 5�inch
_ ( RV = i0 92 in
Volume 5073 �cf
Calculation Methods are takenfrom DEHNR Stormwater.Best Management Practices Manual, November 1995
_.
7-
V__.
olume Provided _ -
!
-�-- —
St_orage volume m underground pipe `dete nt!on_systee �-
_ P! a Runs_ I Headers .i
ft ,_ Pipe Die � p5Tft -- _
P!pe Len 185 If Pipe
-- --!
4en { 371If
- -- 7
!-- .-
Vole 3632�_ - --Vol=
1453Icf
{
DrawdownTime (Full Storage) i
- i� r
Pump. flow rate = 13 gpm
f 0.0291cfs
Storage Volume=� 5085 cf
i
Storage Required for first inch and a half over entire drain
a area
Drainage Area
Required Storage for 1st inch and a half of runoff
;Total Drainage Area 4 9901ac
_ __ _
Simple Method ! _
_
-
Total Impervious Area =r 3
681
ac
- , Percent Impervious
74%
Rv 0 05+ 0 o09(I1_`
I % Impervious - [74%
_
_.._ Depth of runoff storage _
_ 1.5,
Inch
_ Rv = 0.71 in
Volume = 19397 Icf
Calculation Methods are taken from DEHNR StormwaterBest
Management <Pre ctices Manual, November 1995
Volume Provided �—
Storage volume in underground vault detention system:
24 Mid -Span (Contech).
__ Length 1 142;ft-
XS Area 143!sf
Volume - 20306iTr'
Drawdown Time (Full Store
Pump flow rate =l-- 50 Rpm
StoraVolum gee= 203061cf�
— r -
!
_ - - . ---t
I
PumP #1 flow rate_=.-. v_
131,gpm_ 1 0.029cfs!
Pump #2 flow rate ='
501cipm O.illjcis
Old i
Storaoe Provided
_
Incr
Accum Sta a
Contour
Area Vol
Vol Z I
ft)
(ft2) (ft3
ft3
12
13
1875 0 0 0 1-�--
2562 2219 2219 1
_
Storage Volume Provided @ Elev. 13 00' 2219cu ft
Volume infiltrated`
Infiltration Basin _'
Bottom Area
1875 sf _
__ __ _ Infiltration rate_¢
—7.64E-OS
3 3 in/hr__—T
Infiltration rate =
ft/sec'
1"
i
GRAPHIC SCALE
( IN FEET )
i inch = 60 ft,
201 N. FRONT STREET
SUITE 103
0
WILMINGTON, NC 28401
S
T 910.796.0145
S
F 910.796.0146
a
- www.stewart-eng.com
STEWART
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272 North Front Street
Suite 500
Wilmington, NC 28401
910/254-0222
910/254-0228 FAX
ClineDesignAssoc.com
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FINAL R REVIEW PURPSSONLY
II
PROJECT:17007
DATE: 10.18.07
REVISIONS: DATE
OCT 18 20007
REOJ # 5 W 3%
DRAWN BY: MTJ/NJL
CHECKED BY: JTJ
DRAINAGE AREA MAP
C304

FRAME, GRATE AND HOOD
BACK OF CURB
X
Y Y
}lv cr :: rE
—
:} Atr
cY :?4v'(
rrit
r,.
.a
i
..rr:
•.i•.. ,.
PLAN X
is to is
�o SECTION Y—Y
x c•
SECTION X—X
GENERAL NOTES:
CLASS "B" CONCRETE TO BE USED THROUGHOUT.
ALL CATCH BASINS OVER 3'-6" IN DEPTH TO BE
_ PROVIDED WITH STEPS V-2" ON CENTER.
_ STEPS SHALL BE IN ACCORDANCE WITH DOT
STANDARDS
6"
OPTIONAL CONSTRUCTION — MONOLITHIC POUR
2" KEYWAY OR #4 BAR DOWELS AT 12" CENTERS
AS DIRECTED BY THE ENGINEER.
FORMS ARE TO BE USED FOR THE
CONSTRUCTION OF THE BOTTOM SLAB.
USE TYPE "E", "Fee AND "G" GRATES UNLESS
OTHERWISE INDICATED.
FOR 8'-0" IN HEIGHT OR LESS USE 6" WALLS
AND BOTTOM SLAB. OVER 8'-0" TO 16'-0" IN
HEIGHT USE 8" WALLS AND BOTTOM SLAB. FINISHED GRADE FRAME AND COVER
QUANTITIES TO BE ADJUSTED ACCORDINGLY.
VIEW WHEN 8" X 6" CURB IS
USED IN PLACE OF HOOD
GRATE AND HOOD
END ELEVATION
WHERE 30" TO 36" PIPE IS USED
SECTION J—J
SIDE ELEVATION
SECTION M—M
PLAN PLAN
CONCRETE CATCH BASIN
N.T.S.
L
FINISHED I GMDE-
FINAL BACKFILL
TRENCH BOTTOM DIMENSIONS &
BACKFILLING REQUIREMENTS FOR
REINFORCED CONCRETE PIPE
5 TRENCHING DETAIL
N.T.S.
1" GROUT
e #4 AT 12" O.C. EW
MIDDLE OF SLAB
► ► 4
Go►.
g• ► ROUNDED ENTRANCE
8 . 3'-0" SQUARE p
STEP AT 16" O.C.6" pan INV ELEV OF CB IS INV ►ELEV OF OUTLET 46 4 w e 6" WATERSTOP #4 AT 12" O.C. EW
CONTINUOUS MIDDLE OF SLAB MATCH WALL
REINFORCEMENT
2 TYPICAL AREA DRAIN
N.T.S.
STANDARD CATCH
BASIN FRAME AND
GRATE
4" THICK
CONCRETE
.L KEYED
LS OF BOX
TO A DEPTH OF 2"
(BOTH ENDS)
E,yX�rLiI►��11�LT1
STANDARD WEIR OVERFLOW BOX
N.T.S.
NOTES:
GASKET
MAMN_ NEOUM JOPNEINTS �» 1. BEDDING MATERIALS SHALL BE
CONTRACTOR SHALL MAKE CLASS 1, 11, OR III MATERIALS AS
ALL JOINTS SQUARE do DEFINED IN TABLE I, ASTM
TIGHT. DAMAGED ENDS D-2321. INSTALLATION OF THESE
SHALL BE FIELD TRIMMED. MATERIALS SHALL BE AS PER
COUPLER SHN1 ENGAGE A MIN. OF 2 TABLE 2.
CORRUGATA•INS EACH SIDE OF JOINT.
WEP — SPLIT COUPLER JOINT 2. HAUNCH MATERIALS SHALL BE
WL—flaw JOINT CLASS I, 11, OR III MATERIALS AS
REQUIRED ABOVE, RESTRICTED AS
PER D-2321, TABLE 2.
3. INITIAL BACKFILL MATERIALS
SHALL BE CLASS I, II, OR III
ro" RING GASKET INSTALLED MATERIALS AS REQUIRED ABOVE,
IN FIRST FULL VALLEY RESTRICTED AS PER D-23210
TABLE 2.
CONTRACTOR SHALL 4. MIN. TRENCH WIDTHS (AS
MAKE ALL JOINTS REQUIRED BY ASTM D-2321), ARE
SQUARE Ac TIGHT. AS FOLLOWS:
DAMAGED ENDS SHALL
BE FIELD TRIMMED. MIN. TRENCH WIDTH, CPEP
CPEP — MOLDED SEWER GRADE COUPLER 6" 25"
ion 27"
• •
18" 38"
24" 48"
6" 65"
FINAL 84CKFILL 5. A LESSER TRENCH WIDTH
WILL BE PERMITTED ONLY WHERE
INITIAL IT IS DETERMINED THE
ABOVETOPCONTRACTOR CAN UTILIZE
OF PIPE EQUIPMENT CAPABLE OF MEETING
ppE THE REQUIRED INSTALLED
MATERIALS DENSITIES. WHERE THE TRENCH
I I BOTTOM IS UNSTABLE, CONTRACTOR
SHALL EXCAVATE TO A DEPTH AS
REQUIRED BY THE ENGINEER AND
FLEXIBLE PIPE INS A UTKIN REPLACE WITH A FOUNDATION OF
CLASS I OR II MATERIALS; AS AN
ALTERNATIVE, TRENCH BOTTOM MAY
BE STABILIZED USING A GEOFABRIC.
OUTER WALL
INNER WALL VALLEY WALL
T
3 HDPE PIPE
N.T.S.
DUCTILE IRON H-20 RATED GRATE
ADAPTORS AVAILABLE 4•
THRU 24"
^� VARIOUS TYPE OF OUTLETS
WITH WATERTIGHT ADAPTORS
FOR:
SDR-35 SEWER
CORRUGATED POLYETHYLENE
SCHEDULE 40 DWV
CORRUGATED PVC
RIBBED PVC
24" NYLOPLAST RISER
N.T.S.
16" ON CENTER
STANDARD MANHOLE
RING AND COVER
`,TOP DESIGNED FOR HS-20
° • LOADING MAY BE FLAT OR
ECCENTRIC CONE
UP TO 20' 48" I.D. a
° MIN.
5" PLASTIC CEMENT PUTTY OR
BUTYL RUBBER JOINT
:....... ......... f
....... .. ..... "
MIN. 6" THICK WASHED
BRICK AND STONE BEDDING
MORTAR INVERT
4 STANDARD JUNCTION BOX
N.T.S.
EXIST. SUB —BASE
BACKFILL, TAMPED
IN 6" LAYERS
ASPHALT REPLACEMENT
8" ABC STONE OR
6" BLACK BASE
UNDISTURBED SOIL
ASPHALT PAVEMENT REPAIR
N.T.S.
4"-6" #57 STONE
UNDER PIPE
N. FRONT STREET
SUITE 103
c
WILMINGTON, NC 28401T
cs201
910.796.0145F
910.796.0146
iwww.stewart-eng.com
v
S T E W A R T
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or changedrw
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272 North Front Street
Suite 500
Wilmington, NC 28401
910/254-0222
910/254-0228 FAX
ClineDesignAssoc.com
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II FINAL
R REVIEWPURPOSES
ONLY
PROJECT:17007
DATE: 09.10.07
REVISIONS: DATE
DRAWN BY: MTJ/NJL
CHECKED BY: SBT
DRAINAGE DETAILS
C901

FLASHING ALARM LIGHT
WEATHERPROOF CONTROL BOX
•POWER SUPPLY CONDUIT
CORD SEAL CONNECTORS FOR
POWER AND CONTROL CORDS
(NOT SHOWN)
EL. 12.00
.. ,..I LIFTING CHAIN
JUNCTION BOX
EL. 11.80
JUNCTION BOX
HINGED ACCESS DOOR
ALUM. OR STEEL
TOP RAIL SUPPORT
(BOLTS TO COVER FRA
BYiG�G1S��1
3' DISCHARGE PIPING
3,-Ow
24"
(MINIM
3" CHECK VALVE
INTERMEDIATE RAIL SUPPORT
(ONE REQUIRED FOR EACH 12 FEET OF
BASIN DEPTH IN EXCESS OF 12 FEET.)
IE�F�a:GI3a'�LIl�lsa
B'-3"
FLOAT MTG.
BRACKET
BOTTOM OF BASIN MUST HAVE SMOOTH
TROWELED SURFACE FOR MTG. SUPPORT CASTING
MODEL FE MYERS 3MW NON CLOG 1.5
HP SUBMERSIBLE SEWAGE PUMP WITH
4.5" RECESSED IMPELLER - 12' TDH,
13 GPM, 1750 RPM, 200 VAC/3 PHASE
-LIFT-OUT ASS'Y. (SRA-150) I
1'
PUMP STATION #1 DETAIL (Y SIMPLEX PUMP)
N TS
FLASHING ALARM LIGHT
WEATHERPROOF CONTROL BOX
POWER SUPPLY CONDUIT
CORD SEAL CONNECTORS FOR
POWER AND CONTROL CORDS
(NOT SHOWN)
= �IIIII
®■1 lid, m
HINGED ACCESS DOOR
ALUM. OR STEEL
3'-0'
GATE VALVE
3" DISCHARGE PIPING
24"
(MINIM,
12" INLET
PIPE
8C.
F'
3" CHECK VALVE
INTERMEDIATE RAIL SUPPORT
(ONE REQUIRED FOR EACH 12 FEET OF
BASIN DEPTH IN EXCESS OF 12 FEET.)
3" DISCHARGE PIPING
FLOAT MTG.
BRACKET
BOTTOM OF BASIN MUST HAVE SMOOTH
TROWELED SURFACE FOR MTG. SUPPORT CASTING
MODEL FE MYERS 3MW NON CLOG 1.5
HP SUBMERSIBLE SEWAGE PUMP WITH
5.5" RECESSED IMPELLER - 19' TDH,
50 GPM, 1750 RPM, 200 VAC/3 PHASE
LIFT -OUT ASS'Y. (SRA-150) I
1'
I' CONCRETE RIM SET ATOP OF BASE STRUCTURE
PUMP STATION #2 DETAIL (31' SIMPLEX PUMP)
NTS
CL PIPE
CL PIPE
DIA.
30")
" DIA.
A 30")
CONTRACTOR TO SUBMIT
SHOP DRAWINGS OF ALL ITEMS SPECIFIED BELOW FOR
ENGINEERING REVIEW PRIOR TO PURCHASE
3-INCH SIMPLEX PUMP STATION
BASIN ASSEMBLY
BASIN
BASINS SKULL BE CONSTRUCTED OF WATERTIGHT PRE -CAST CONCRETE BASIN CAPACITIES, DIMENSIONS AND
MINIMUM BURIAL DEPTH TO INSURE PPE COVER 94ALL BE AS SHOWN ON PLANS. BASIN SOUL BE CAPABLE OF
WITHSTANDING 150% OF THE ANTICIPATED MAXIMUM PRESSURE EXERTED BY SATURATED SOIL (120 LB/CF) AT
MAXIMUM BURY DEPTH. ALL STATION COMPONENTS SOUL FUNCTION NORMALLY WHEN EXPOSED TO THESE
LOADINGS.
BASIN SHALL BE CONSTRUCTED TO RESIST THE EFFECTS OF 15OX OF THE ANTICIPATED SEASONAL HIGH
GROUNDWATER LEVEL BUOYANCY FORCES. UNLESS OTHERWISE NOTED ON PLANS OR DETAILS, AN ANTI -FLOTATION
COLLAR EXTENDING A MINIMUM 8" BEYOND THE O.D. OF THE BASIN WALL SHALL BE PROVIDED ON ALL BASINS.
BASIN COVER
TRAFFIC RATIO ALUMINUM OR SRU BASIN COVERS SKULL BE PROVIDED WITH EACH BASIN ASSdBLY. EACH
COVER SHALL HAVE A HINGED ACCESS OPENING PROPERLY SUED FOR INSTALLATION AND REMOVAL OF THE
GRINDER PUMP AND CHECK VALVE ASSEMBLY. THE ACCESS OPENING SHALL HAVE A MINIMUM OF TWO HINGES
AND A LOCK HASP. COVERS SHALL BE CONSTRUCTED OF NON-SKID. TREAD -PLATE STEEL WITH A MINIMUM
THICKNESS OF 'A" AND SHALL BE COATED WITH 1101N0-014 EPDXY PANT. THE COVER SOUL HAVE AN OPENING
FOR MOUNTING THE CONTROL PANEL PEDESTAL ASSEMBLY. ALL COVENS SHALL BE GRASS GREEN IN COLOR.
COVERS SHALL BE BOLTED TO THE BASIN WITH STAINLESS STEEL CAP SCREWS. ZINC PLATED NUTS SHALL BE
EMBEDDED IN THE UPPER FLANGE OF THE BASIN FOR CORROSION RESISTANCE AND TO PREVENT TURNING.
LIFT -OUT SYSTEM
EACH LIFT -OUT SYSTEM SWl CONSIST OF: A CAST IRON DISCAROE BASE, CAST IRON OR BRASS FACED PUMP
ATTACHING AND SEALING PLATE, STAINLESS STEEL OR BRASS PUMP GUIDE PLATE. AND CAST IRON ELBOW. ALL
EXPOSED HARDY/ARE SHALL BE 300 SERIES STAINLESS STEEL. NO FABRICATED STEEL PARTS SHALL BE USED.
A. DISCHARGE III SAL BE 4' X 4'. ELBOWS SHALL BOLT ONTO BASE AND HAVE STANDARD 125 L.B.
FLANGES. RAN. SYSTEMS REQUIRING PIPING INCREASERS TO ATTACH LAROM DISCHARGE PIPE, WHICH MIGHT
INTERFERE WITH PUMP INSTALLATION AND REMOVAL WILL NOT BE CONSIDERED EQUAL..
B. SEAM PLATE SHALL BE ATTACHED TO THE PUMP. A SIMPLE DOWNWARD SLIDING MOTION OF THE PUMP
AND WEE PLATE ON THE GUIDE RAILS SHALL CAUSE THE UNIT TO BE AUTOMATICALLY CONNECIED AND SEALED
TO THE BASE THE MATING FACES OF THE SEALING PLATE AND BASE 9W1 BE MACHINED TO PROVIDE A
METAL -TO -METAL, LEAK -PROOF SEAL AT ALL OPERATING PRESSURES.
C. THE UFTOUT CHECK VALVE SHALL BE OF THE SWIND CLAPPER TYPE WITH RIDER FACING. A BONZE
D. TWO GUIDE RAIL PIPES SOUL BE USED TO GUIDE THE PUMP FROM THE SURFACE TO THE DISCHARGE BASE
CONNECTION. THE WIDE RAGS SHALL BE 1-1/2' SCHEDULE 40 PIPE THE WEIGHT OF THE PUMP SHALL BEM
SOLELY ON THE DWHIARGE BASE AND NOT ON THE WIDE RAILS. RAIL SYSTEMS WHICH REQUIRE THE PUMP TO
BE SUPPORTED BY LEGS WHICH MIGHT INTERFERE WITH THE FLAW OF SOLIDS INTO THE PUMP SUCTION WILL NOT
BE CONSIDERED EQUAL. THE GUIDE RAIL SHALL BE FIRMLY ATTACHED TO THE ACCESS HATCH FRAME SYSTEMS
DEEPER THAN 21 FEET SHIM. REQUIRE AN INTERMEDIATE GUIDE FOR EACH 21 FEET OF WIETWELL DEPTH.
E AN ADEQUATE LENGTH OF LIFTING CHAIN 94ALL BE SUPPLIED FOR REMOVING THE PUMP. THE CHAIN SHALL
BE OF SUFFICIENT LENGTH AND STRMTH AND MULL INCLUDE AN ADEQUATE NUMBER OF UFTING RINGS FOR
EASY REMOVAL.
DISCHARGE PIPE AND VALVES
UNLESS OTHERWISE NOTED. DISCHARGE PIPING, VALVES. AND THRUST BLACKING SOUL BE CONSTRUCTED IN
ACCORDANCE WITH WATER DISTRIBUTION SPECIFICATIONS. MATERIALS AND SIZES SOUL BE AS MM70 ON
PLANS AND DETAILS.
INLET FITTING
INLET PIPE PENETRATIONS INTO THE STRUCTURE SHALL BE WATERTIGHT AND CONSTRUCTED IN ACCORDANCE WITH
SANITARY SEWERAGE SPECIFlGTICNS.
LPGR CONTROLS
PUMP OK OFv AO HARM LEVELS SHALL BE CONTROLLED BY 2 MERCURY TUBE FLOAT SWITCHES. SWITCHES
SHALL CONSIST OF A MEOURY TUBE SWITCH SEALED IN A CORROSION -RESISTANT POLYPROPYLENE HOUSING
WITH A MINIMUM OF 18 WLIGE. 2-WIRE. SJOW/A JACKETED GABLE THE CABLE SHALL B: OF SUFFICIENT
LENGTH TO REACH THE JUNCTION BOX WITH NO SPLICES. THE LEVEL CONTROLS SHALL SE SISPEHOED FROM A
STAINLESS STEEL BRACKET ED THAT ADJUSTMENT OR REPLACEMENT MAY BE DONE WITHOUT THE USE OF ANY
TOOLS. LEVEL CONTROLS SHALL BE UL/CSA LISTED
3-INCH SIMPLEX PUMP STATION
PUMP PERFORMANCE
PERFORMANCE REQURRI S
THE SUBMERSIBLE PUMPS SOUL BE CAPABLE OF MEETING THE FOLLOWING PERFORMANCE REQUIREMEMS:
HEAD FLAW
1. llFT 13 GPM
2. 19FT 50 GPM
APPROVED MANUFACTURERS
RE MYERS
SMITH AND LOVELESS, INC.
OORMAH-RUPP
WARRANTY
5 YEARS OR f0,0D0 OPERATING HOURS
PUMPS
THE PUMPS) SHALL BE MANUFACTURED IN THE UNITED STATES UTIUZING DOMESTIC PARTS AND COMPONENTS IN ITS
CONSTRICTION. THE VOLUTE, SEAL PLATE. CORD CAP AND MOTOR HOUSING SHALL BE CONSTRUCTED OF HIGH
QUALITY ASTM CLASS 30 MINIMUM CAST IRON. THE PUMPS) SHALL BE PANTED WITH AIR DRY ENAMEL ALL
EXPOSED HARDWARE SHALL BE 300 SERIES STAINLESS STEEL DISCHARGE CONNECTION SHALL BE A STANDARD 3
INCH FLANGE IN THE HORIZONTAL POSITION. PUMPS SHALL BE CAPABLE OF PASSING SOLIDS UP TO 2 INCHES IN
DIAMETER.
THE PUMP IMPELLER SHALL BE OF THE RECESSED DESIGN. THE IMPELLER 94ALL BE OF DUCTILE IRON
CONSTRUCTION. PUMP -OUT VANES SHALL BE USED ON BACK SHROUD. IMPELLER SHALL BE DRIVEN BY STAINLESS
STEEL KEY AND HELD IN POSITION WITH LOCK SCREW AND WASHER.
THE PUMP SOUL HAVE A THREE (3) BEARING DESIGN CONSISTING OF AN UPPER BALL BEARING FOR THE PURPOSE
OF CARRYING THE THRUST LOADS, A LOWED BALL BEARING TO CARRY RADIAL LOADS. AND LOWER SLEEVE BEARING
SHALL HANDLE AL RADIAL SHOCK LOADING AND ALSO TO ACT AS A FLAME PATH FOR SEAL CK4ABM BAIL.
BEARINGS SMALL BE DESIGNED FOR 50,000 HOURS 8-10 LIFE
THE MOTOR SHAFT SHAD. BE OF 416 STAINII STEEL.
ELECTRIC MOTOR
THE MOTOR SHALL BE SOUI REL-CADE, INDUCTION TYPE. MOTORS SHALL BE NEW B TYPE, 200VAC, THREE
PHASE. POWER AS -INDICATED ON PLANS (HP), 1750 RPM. THE MOTOR SHALL BE CONSTRUCTED WITH OPEN
WINDINGS OPERATING IN A SEALED HOUSING. WHICH CONTAINS CLEAN DIELECTRIC OIL FOR HEAT DOSPATION FROM
THE WINDINGS AND FOR LUBRICATION OF THE BEARINGS AND SEALS. THE STATOR WINDINGS SHALL BE THE OPEN
TYPE WITH CLASS H INSULATION RATED FOR 180 DEGREES C MAXIMUM OPERATING TEMPERATURE AIR -FILLED
MOTORS, WHICH DO NOT HAVE THE SUPERIOR HEAT DISSIPATING CAPABILITIES OF OIL -FILLED MOTORS. SHALL NOT
BE CONSIDERED EQUAL
PROTECTION AGAINST EXCESSIVE TEMPERATURE FOR MOTORS SOUL BE PROWED BY A FEAT SENSOR 11- MMAT
ATTACHED TO THE STATOR WINDINGS AND CONNECTED IN SERIES WITH THE CONTACTOR COL. IN THE CONTROL
PANEL. THE HEAT SENSOR SHALL STOP THE MOTOR IF THE MOTOR WINDING TEMPERATURE REACHES 150 DECREES
C (302 DEGREES F). THE HIGH TEMPERATURE SHUTOFF WILL CAUSE THE PUMP TO CEASE OPERATION, SHOULD A
CONTROL FAILURE CAUSE THE PUMP TO RUN IN A DRY WEN' WELL THE THERMOSTAT SHALL RESET AUTOMATICALLY
WHEN THE MOTOR COOLS TO A SAFE OPERATING TEMPERATURE THREE HEAT SENSORS TO BE USED ON 3 PHASE
MOTORS.
MECHANICAL SEAL
MOTORS SHALL BE EWIIPPM WITH DOUBLE MECHANICAL SLAT SEALS TO PREVENT LEAKAGE BETWEEN THE MOTOR
AND PUMP. THE SEAL ASS]MBUES SHALL CONSIST OF TWO TYPE 21 OIL -LUBRICATED ROTARY SHAFT SEALS IN AN
OL.-FILLED CHAMBER. THE MATERIALS OF CONSTRUCTION SHALL BE CARBON FOR THE ROTATING FACES AND
CERAMIC FOR THE STATIONARY FACES, LAPPED AND POLISHED TO A TOLERANCE OF ONE LIGHT BAND. WITH 300
STAINLESS STEEL HARDWARE, WITH ALL ELASTOMER PARTS OF BUHA-N. LOWER SEAL FACES OF TUNGSTEN CARBIDE
ARE OPTIONAL
THEPUMP SOUL RE EQUIPPED WITH A SEAL LEAK DETECTION PROBE AND WARNING SYSTEM. THIS SHALL BE
DESIGNED TO AMU MAINTENANCE PERSONNEL OF LOWER SEAL FAILURE WITHOUT HAVING TO TAKE THE UNIT OUT
OF SERVICE FOR INSPECTION OR RECURRING ACCESS FOR CHECKING SEAL CHAMBER OIL LEVEL CONSISTENCY.
THERE SHALL BE AN ELECTRIC PROBE OR SEAT. FAILURE SENSOR INSTALLED IN THE SEAL CHAMBER BETWEEN THE
TWO TANDEM MECHANICAL SEALS. F THE LOWER SEAL FAILS. CONTAMINANTS WHICH ENTER THE SEAT. CHAMBER
SHALL BE DETECTED BY THE SENSOR AND SEND A SIGNAL TO OPERATE THE SPECIFIED WARNING DEVICE
POWER/CONTROL CORDS
POWER CORD AND CONTROL CORD SHALL BE DOUBLE SEALED. INSULATION OF POWER AND CONTROL CORDS SOUL
BE SOW/SOWA TYPE. EACH CABLE SHALL BE PROVIDED WITH A GREEN GROUND WIRE TO BE ACCORDANCE WITH
LOCAL AND NATIONAL ELECTRIC CODES.
CABLE ENTRY SYSTEM
THE POWER AND CONTROL CONDUCTOR SOUL BE SINGLE STRAND SEALED WITH EPDXY POTTING COMPOUND AND
THEN CLAMPED N PLACE WITH A RUBBER SEAL. BUSSING TO SEAL CUTER JACKET AGAINST LEAKAGE AND TO
PROVIDE FOR STRAIN PULL CORDS SHALL BE ABLE TO WITHSTAND A PULL OF 300 POUNDS TO MEET F.M.
REQUIREMENTS.
MAINTENANCE PLAN FOR INFILTRATION BASIN
1. PERFORM REGULAR INSPECTIONS OF THE DEVICE TO IDENTIFY
EXCESSIVE LONG TERM STANDING WATER (MORE THAN 5 DAYS)
OR OTHER SYSTEM FAILURE.
2• MAINTAIN ALL VEGETATED AREAS THAT DRAIN TO THE SYSTEM TO
AVOID BARE AND UNVEGETATED AREAS THAT CONTRIBUTE EXCESS
SEDIMENT TO THE DEVICE.
3. REGULARLY REMOVE CUPS, PAPER, LEAVES, AND OTHER DEBRIS
FROM THE PARKING LOT TO PREVENT ENTERING THE STORM
COLLECTION SYSTEM.
4. INSPECT THE DISTRIBUTION BOX AFTER A SIGNIFICANT STORM
EVENT AND REMOVE SEDIMENT THAT REACHES 6 INCHES IN
DEPTH AND REMOVE ALL DEBRIS.
5. ANNUAL INSPECTION AFTER A STORM EVENT BY A QUALIFIED
PERSON MUST BE PERFORMED TO ENSURE PROPER INFILTRATION
PERFORMANCE.
3-INCH SIMPLEX PUMP STATION
CONTROL PANEL
CONTROL PANEL
A NEMA 3R STEEL CONTROL PANEL SHALL BE FURNISHED WITH EACH PUMPING UNIT TO DE INSTALLED, AS
SHOWN ON THE PLANS.
ALL ELECTRICAL COMPONENTS SHALL BE MOUNTED IN A NEMA 3R ENCLOSURE THE ENCLOSURE 94ALL BE
14 OIL GALVANIZED STEEL AND SHALL HAVE A HASP FOR PADLOCKING (PADLOCK NOT INCLUDED).
A SEPARATE HINGED DEADFRONT INNER DOOR SKULL BE PROVIDED IN THE ENCLOSURE ALL CONTROL
SWITCHES. LIGHTS AND OVERLOAD RESETS SHALL BE MOUNTED THROUGH THE INNER DOOR. THE PUMP
CIRCUIT BREAKER AND CONTROL CIRCUIT BREAKER 94ALL BE MOUNTED WITH OPERATING HANDLES THROUGH
THE INNER DOOR. AND SINL HAVE LACKING TABS THAT PREVENT THE INNER DOOR FROM BEMs OPENED
WITH THE BREAKERS IN THE ON POSITION.
BOTH THE INNER DOOR AND THE BACK PANEL SHALL BE A MINIMUM OF 14 GA STEEL, AND SHALL BE
PAINTED ON BOTH SIDES WITH A WHITE ENAMEL FINISH.
THE PANEL SHALL INCLUDE PUMP CIRCUIT BEATERS. CONTROL CIRCUIT BREAKERS. ALARM CIRCUIT FUSE,
CONTROL CIRCUIT FUSE. I.E.C. RATED MOTOR STARTERS WITH 3-POLE AMBIENT COMPENSATED BIMETAL
OVERLOAD RELAYS. PUMP WAD -OFF -AM SWITCHES (MOMENTARY IN THE HAND POSITION). ALARM TEST
SWITCHES, PUMP RUN LIGHTS, SEAL LEAK LIGHTS. ALTERNATOR RELAY (SOLID STATE), OVERRIDE RELAY.
CONTROL TRANSFORMER WITH PRIMARY FUSING, TERMINAL BLOCKS, TWO (2) GROUND LUGS AND ALL
NECESSARY WIRING AND BRACKETS.
THE CONTROL PANEL SHALL BE FITTED WITH A RED LEXAN (POLYCARBONAIE) ALARM UGHT. THE LIGHT
SHALL BE APPROXIMATELY 3' HIGH BY 3-1/2' DIAMETER. THE GLOBE SHALL BE MOUNTED ON TOP OF THE
ENCLOSURE WITH A NEOPRENE GASKET. THE LEE CANNOT BE REMOVED FROM THE INTERIOR OF THE
ENCLOSURE THE LENS MAY BE REMOVED BY ENTERING THE INTERIOR OF THE ENCLOSURE AND REMOVING
FOIE (4) /B SCREWS. THE BULB SHALL BE 40 WATT MINIMUM HIGH INTENSITY -MEDIUM BASE TYPE THE
BULB SHALL BE EASILY REPLACED BY MMONNG A THUMB SCREW FROM THE SUPPORT BRACKET ON THE
INTERIOR OF THE PANEL
THE ALARM SHALL HAVE A BRIGHT GLOW AND FLASH DURING HIGH WATER CONDITIONS. THE ALARM LIGHT
WLL CO OUT WHEN THE WA10 LEVEL DROPS.
ALL INTERNAL WIRING SHALL BE HEAT AND COLOR CODED. EACH WIRE SHALL BE A DIFFERENT COLDR OR
STRIPE (EXCEPT FOR GROUND). AND ALL INCOMING WIRES MOLL TERMINATE IRO A BOX CLAMP TYPE
TERMINAL BACK. ALL WIRES SHALL BE 14 GA TYPE TEW RATED FOR 105 DEGREES CELSIUS.
A SCHEMATIC DIAGRAM (SHOWING WIPE COLOR) SHALL BE PONMENTLY FASTENED TO THE WSIDE OF THE
ENCLOSURE AN INSTALLATION AND SERVICE MANUAL SHALL ALSO BE INCLUDED WITH EACH CONTROL PANEL
THE CONTROL PANEL SHIM. BE ILL. LISTED AS AN ASSEMBLY.
PLUG-IN CONNECTOR
A WATERPROOF MICE PLUG SHALL BE SUPPUED ON THE PUMP POWER AND CONTROL CORD AND SHN.L
MATE TO A FEMALE SOCKET MOUNTED IN THE JUNCTION BOX THE PLUG AND CORD SHALL BE OF THE
PROPER SIZE TO HANDLE THE VOLTAGE AND CURRENT REOU RENENTS OF THE PUMP. THE PLUG AND
RECEPTACLE SOUL BE OF THE MOLDED TO CABLE AND DOUBLE FACE DESIGN. THE FEMALE HALF SHALL FIT
LIKE A CORK INTO THE FLEXIBLE SHROUD PORTION OF THE MALE IN ADDITION, INDIVIDUAL NEOPRENE
SHOULDERS AROUND CONTACTS SHALL FIT INTO RECESSES IN FEMALE SECTION. THE CABLE SHALL BE
NEOPRENE MOLDED. ONE-PIECE DESIM AND THE CONNECTOR SHALL HAVE A THREADED COUPLING FOR
POSITIVE TINT CONNECTION NO QUICK RELEASE THE MATING CONNECTORS 94ALL HAVE AN INDEXING TAB
TO INSURE PROPER ALIGNMENT.
CONTROL PANEL PEDESTAL
THE CONTROL PANEL SHALL BE MOUNTED AS SHOWN ON THE PLANS. A PEDESTAL SHALL BE ATTACHED TO
THE BASIN COVER. TALE PEDESTAL SHALL BE CONSTRUCTED OF GALVANIZED STEEL OF SUFFICIENT STRENGTH
TO ACCOMMODATE THE WEIGHT OF THE CONTROL PANEL THE INTERNAL SIZE OF THE PEDESTAL. SOUL BE
OF SUFFICIENT SIZE TO ACCOMMODATE ALL PUMP AND SWITCH CORDS. A MOUNTING PACKAGE SHALL BE
FURNISHED TO MOUNT THE CONTROL PANEL TO THE PEDESTAL THE MOUNTING PACKAGE SHALL CONSIST OF
201 N. FRONT STREET
SUITE 103
8
WILMINGTON,NC 28401
S
CS
T 910.796.0145
f 930.796.0146
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272 North Front Street
Suite 500
Wilmington, NC 28401
910/254-0222
910/254-0228 FAX
ChneDesignAssoc.com
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FINAL DRAWINGS FOR I'
REVIEW PURPOSES
ONLY
PROJECT:17007
DATE: 09.10.07
REVISIONS: DATE
DRAWN BY: MTJ/NJL
CHECKED BY: SBT
DRAINAGE DETAILS
C902