SW7080110_APPROVED PLANS_20080310

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW���J��[[�
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE������%
YYYYMMDD
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SUBMITTALS
FIRST SUBMITTAL
Owner:
Atul Parmar
3455 Dr. M. L. King Jr. Blvd.
New Bern, North Carolina 28562
[phone]
Surveyor
Brad L. Suitt & Assoc., P.A.
302 South Jimmies Creek Drive
New Bern, North Carolina 28561
[phone]
Landscape Architect:
Tony M. Tate Landscape Architecture P.A.
5011 Southpark Drive, Ste. 200
Durham, North Carolina 27713
[phone]
engineer:
Blackburn Consulting Engineering
365E. Main Street
Clayyton, North Carolina 27520
[phone]
08/02/07
NEW BERN, NORTH CAROLINA
VICINITY MAP
N.T.S.
INDEX
COVER SHEET
EXISTING CONDITIONS & DEMO PLAN L-I
SITEPLAN.................................................................. .L-2
LANDSCAPE PLAN ...................................................... .L-3
WET POND LANDSCAPE PLAN ............................ .......... L-3A
SITE DETAILS ...................................................... .L-4
UTILTY PLAN ............................L-5
STORMWATER PLAN .................................................... .L-6
BMPDETAILS .................................... ........................... L-7
EROSION CQNTRM P.LA.N............................................ .L-8
EROSION CQNTRQ L DETASS................................. 0...... _L-9
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■PI•(LM"IARY PL" - NDT IGR COIISTpICTR7N
THIS NOTE WILL BE REMOVED UPON FINAL
AP
PROVAL GOVIRNMENTAL AGENCY APPROVING
■DO NOT END THIS SET OF PLANS UNTIL LABELED
'APP'w0V{p PA COrT11YCTR7Er TORY M. TATE
LANDSCAPE ARCHITECTURE P.A. IS IN NO PART
RESPONSIBLE FOR &D9 OR BID CHANGES.
•OWNEPJDEVELAPIRMURVEYOR SHALL l.>BTAIN
FINAL CONSTRucION DOCUMENTs FROM DESIGNER
PRIOR TO CONSTMI(TION STAKNG.
■THE CLIENT SIIAIL BE FULLY RESPONSIELE FOR
THE E%PLORATIOI AND IDENTIFICATION OF ALL
SUB -SURFACE CQIDITIONS ON THE SITE AND
SHALL PROVIDE MIT AND ALL INFORMATION TO
THE DESIGN TEAS.
■THE CLIENT/DEVELOPER SHALL FULLY REVIEW
AND UNDERSTND THE INFORMATION DEPICTED ON
THESE PLANS ARO SHALL APPROVE THE RELEASE
of THESE PLArE TO BE SENT OUT FOR
CONSTRUCTION.
■T06 ORAYir16 Ty PBOP/RTY OP
TONY M. TATE • LANDSCAPE I!C SCURE PA
AND IS NOT TO UE REPRODUCED OR COPIED IN
WHOLE OR IN PART WITHOUT FERMI9910N.
MIT IS NOT TO BE USED ON ANY OTHER PRO ac
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Toffy-M Z2'ate
ndseape A clfit&tae, PA
5011 Soutlgwk M.e, 200,D.bMNCM13
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DATE:
8-2-07
C1 II M
APPROVED
NORTH CAROLINA ENVIRONMENTA
MANAGEMENT COMMISSION
DIVISION OF WATER OUALIT
Datemf*'—f "'
Stormwater Permit No. '5 W 06611
OF 10

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SITE DATA
TOTAL AREA (127,195.2 S.F.) 2.92 ACRES
PHASE 1 (77,101.2 S.F.)1.77 ACRES
PHASE 2 (FUTURE) (50,094.0 S.F.)1.15 ACRES
PROPOSED USE 4 STORY, 81 ROOM HOTEL
BUILDING SIZE 119664 S.F.
4 STORY HEIGHT TO CORKS = ??? 449000 S.F.
PARKING REQUIRED 86 SPACES
PARKING PROVIDED 95 SPACES
ZONING C-3, CORRIDOR OVERLAY: MLK BLVD, GELNBURNIE
DENUDED AREA 1279195 S.F.
EX. IMPERVIOUS (to be demolished) (63%) 801&44S.F.
NEW IMPERVIOUS SURFACE AREA (10"I ; > (40%) 501Za$S.F.
PERMITS REQUIRED:
1, NCDOT Driveway permit
BUILDING 11,664 S.F.
2. Special Use Permit
PARKING 35,2�SS.F.
3, All utility taps
Sedimentation and Erosion Gantrat
4.5.
SIDEWALK 25&44S.F.
>
Demolition
5. Demolition permit
NET DECREASE IN IMPERVIOUS ( PNA`� 1 30,436SF
6. Sign permit
FUTURE IMPERVIOUS (PHASE 2) $3,10(Z SF
AREA DEVOTED TO PLANTINGS (58%) 699023 S.F.
PHASE 1 SEEDED LAWN AND SHRUB BEDS) (29%)401623 S.F.
PHASE 2 SEEDED (FUTURE TO BE DEVELOPED) 329286 S.F.
(area of Phase H to be planted in future shall be at least 25%)
NOTES:
I. Boundary and field topographic information taken from file by Brad L. Suitt 4 Assoc. P.A. dated June lo, 2007.
2, Contractor shall verify the location of all existing utilities and shall be responsible for any damage
resulting from his activities. Gall utility locator service 45 hours prior to digging. 1-500-632-4cl49
3. All construction shall conform to the City of New Bern standards and specifications.
4. All construction shall conform to all state and local standards, specifications and code regyirements.
5. Notify designer of any discrepancies.
No changes may be made to the approved drawings without written permission from the issuing authority.
6. All dimensions are referenced from back -of -curb to back -of -curb.
7. All roof drains shall be tied to the nearest catch basin or as shown.
5. All handicapped spaces shall conform to the N.G. Building Code, Volume I-C, Accessibility Code.
cl. Contractor shall provide positive drainage away from the structure in all locations.
10. Erosion control plans shall be approved prior to any grading on this site.
11. Building setbacks shall be verified by registered land surveyor prior to digging footings.
12. All buildings shall be taken from architectural drawings by Surapun Architects,
13. All exterior parking lot lighting shall be 400 watt metal halide, 30" sgyare shoebox fixtures on 4" sgyare,
30' tall steel pole. Contact local utility provider for lease options.
14. Irrigation meter, if not already existing, will be the responsibility of the irrigation contractor to order and install.
15. A Professional Engineer must inspect every fire line before cover. Call Professional Engineer 45 hours
prior to installation for inspection.
16. All parking and drives shall be surfaced with G" cabc and 2" 1-2 asphalt. 30" concrete curb typical.
17. The site is located in zone X of the FEMA zones as per the July 2, 2004 study.
18. Provide electrical service to all sign locations.
19. Contractor shall obtain permit from the City of New Bern to tie into exist. storm sewer system.
20. No wetlands area present on this site.
21. All corridor standards for MLK Boulevard and Glenburnie Drive shall be met.
22.Refu5e service will be provided by City of New Bern, upon receipt of Certificate of Occupancy.
23.Third party approval EFTS/or show certification of contractor regyired.
24.Based on this approved plan at least 20% of the area must be planted. If the property is subdivided into
ohoses. I t It. then the planted area fro each phase must be at least 25%.
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FOR SITE LAND
NET DETENTION POND PLANT LIST
KEY QTY BOTANICAL NAME COMMON NAME SIZE ROOT
W
5
Salix ni ra
Black Willow
5-0 HT.
B#B
RB
4
Betula nigra
River Birch
5--V HT.
B*B
SPB
q
Clethra ainifolia
Sweet Pe perbush
36' HT.
Cont.
VI
21
Viburnum cassinoides
Northern Wild Raisin
"HT.
Cont.
BB
19
Cepholontus occidentalis
Buttonbush
36" HT.
Cont.
IB
16
Ilex qlabra
Inkberry
36" HT.
Cont.
MH
7
Hibiscus mosche-utos
Marsh Hibiscus
18"-24" HT.
Cont.
BA
20
Berberis thunber ii
Barberry
18"-24" HT.
Cont.
1
275
Iris vie inica
Southern Blue Flog Iris
I Gal.
Cont.
SG
355
Panicum virgatum
Switchgrass
4" POT
Cont.
SP
250
Scir us piinfIOIT15
Soft Stem Bulrush
4" POT
Cont.
PLANT SOURCES: ALL PLANT MATERIAL SHALL COME FROM LOCAL NURSERY
STOCK. IF A SOURCE FOR A SPECIFIED PLANT CAN NOT BE LOCATED,
LANDSCAPE CONTRACTOR SHALL CONTACT THE LANDSCAPE ARCHITECT
FOR A SUITABLE SUBSTITUTION.
BIORENTION PONDS PLANT LIST
KEY QTY BOTANICAL NAME COMMON NAME SIZE ROOT
BRI
25
Ceonothus americanus
Jersey Tea
3 Gal.
Cant
BR2
73
Pennisetum alo curoides 'Hameln'
Fountain Grass
3 Gat.
Cant
BR3
18
Fothergilla gardenii
Dwarf Fother ilia
3 Gal.
Cont.
BR4
625
Hemerocollis
Daylily
I Gal.
Cont.
BR5
5
Quercus hellos
Willow Oak
2 1/2"
1 BBB
PLANT SOURCES: ALL PLANT MATERIAL SHALL COME FROM LOCAL NURSERY
STOCK. IF A SOURCE FOR A SPECIFIED PLANT CAN NOT BE LOCATED,
LANDSCAPE CONTRACTOR SHALL CONTACT THE LANDSCAPE ARCHITECT
FOR A SUITABLE SUBSTITUTION.
44
- 85(BR4) IfA 45(BR4) -BR3 `�f 55(BR4) CD
`rf
7- RI
5-BRI II-B 2 i-BR5
3-BR3
5
I 90(BR4)
rep
EXISTING
INVERT:
40
NOTES:
MAINTENANCE PROCEDURES: WET POND
I. IMMEDIATELY OFTER THE WET DETENTION BA51N 15 ESTABLISHED, THE PLANTS ON THE AQUATIC
SHELF AND THE PERIMETER BASIN SHALL BE WATERED TWICE WEEKLY, IF NEEDED, UNTIL THE PLANTS
BECOME ESTABLISHED. INSPECT WEEKELY FOR A MINIMUM OF 6 WEEKS.
2. AFTER THE INITIAL FERTILIZATION AT THE TIME OF PLANTING, NO FURTHER FERTILIZATION SHA
LL
OCCUR FOR THE PLANTS ON THE AQUATIC SHELF.
3. STABLE GROUNDCOVER SHALL BE MAINTAINED IN THE DRAINAGE ARE TO REDUCE THE SEDIMENT LOAD
TO THE NET DETENTION BASIN. OVER SEED ALL BARE SPOTS TO ENSURE A DENSE COVER.
4. I N BA51N MUST BE DRAINED O AN EMERGENCY O O PERFORM MAINTENANCE,
F THE D FOR E ERGE Y R T PERF R TE E THE FLUSH OF
THE SEDIMENT THROUGH THE EMERGENCY DRAIN SHOULD BE MINIMIZED TO THE MAXIMUM EXTENT
POSSIBLE,
5. ONCE ESTABLISHED THE NET DETENTION POND SHALL BE INSPECTED ON A MONTHLY BASIS AND
WITHIN 24 HOURS AFTER EVERY STORM EVENT GREATER THAN 1.5 INCHES.
6. RECORDS SHALL BE MAINTAINED OF ALL INSPECTIONS AND MAINTENANCE PROCEEDURES. THE
RECORDS SHALL BE KEPT IN A KNOWN LOCATION AND MADE AVAILABLE UPON REQUEST.
MAINTENANCE PROCEDURES: FLITER STRIP
1. INSPECT FILTER STRIP DURING AND AFTER MAJOR STORM EVENTS TO ENSURE PROPER DISTRIBUTION
OF FLOWS AND SIGNS OF EROSION.
2. AFTER THE FIRST 1-2 YEARS, INSPECT THE FILTER STRIP ANNUALLY OR BI-ANNUALLY.
3. ROUTINE MAINTENANCE SHALL INCLUDE MOWING, TRIMMING AND REPLANTING AS NECESSARY. IF
EXCESSIVE SEDIMENT BUILDS UP, IT MAY BE NECESSARY TO REGRADE AND RE -SEED.
4. IMMEDIATELY AFTER THE FILTER STRIP 15 PLANTED, ANY VEGETATION SHALL BE WATERED TWICE
WEEKLY UNTIL ESTABLISHED.
5. ONCE A YEAR THE FILTER STRIP SHALL BE RE -SEEDED TO MAINTAIN A DENSE GROWTH FO
VEGETATION.2-3 TIMES PER YEAR THE FILTER STRIP SHALL BE MOWED AND THE CLIPPINGS HARVESTED
TO PROMOTE THE GROWTH OF THICK VEGETATION. TURF GRASS SHALL NOT BE CUT SHORTER THAN 3-5
INCHES AND MAY NOT BE ALLOWED TO GROW AS TALL AS 12".
6. ONCE PER YEAR THE FILTER STRIP SHALL BE AERATED IF NECESSARY.
7. ONCE PER YEAR THE SOIL pH SHALL BE TESTED AND LIME ADDED AS NEEDED.
8. ONCE ESTABLISHED THE FILTER STRIP SHALL BE INFECTED QUARTERLY AND WIHIN 24 HOURS AFTER
EVERY STORM EVENT GREATER THAN 1.5 INCHES.
Table 10-4
Inspection and Maintenance Provisions for Wet Detention Basins
BMP Element
Potentialproblems:
How to remediate theproblem:
The entire BMP
Tres debris is present
Remove the trash debris.
The perimeter of the wet
detention basin
Areas of bare soil and/or
erosive gullies have formed.
Regrade the soil if necessary to
remove the gully, and then plant a
ground cover and water until It Is
established. Provide lime and a
one-time fertilizer appliculom
Vegetation is too short or too
Maintain vegetation at a height of
approximately six inches.
The inlet device: pipe or
mwale
The pipe is dogged.
Unclog the pipe. Dispose of the
sediment off -site.
The pipe is cracked or
Replace the pipe.
otherwise damaged.
Erosion is occurring in the
Regrade the Swale if necessary to
swale.
smooth it over and provide erosion
control devices such as reinforced
turf matting or riprap to avoid
future problems with erosion.
The forebay
Sediment has accumulated to
Search for the source of the
a depth greater than the
sediment and remedy the problem If
original design depth for
possible. Remove the sediment End
sediment storage.
dispose of it in a location where it
will not cause Impacts to streams or
the BMP.
Erosion has occurred.
Provide additional erosion
protection such as reinforced turf
matting or riprap if needed to
prevent future erosion problem.
Weeds are present.
Remove the weeds, preferably by
hand. If pesticide is used, wipe it on
the plants rather than spraying,
BMP element
Potentiil trims:
Now to remediate the problem
The vegetated shelf
hest professional practices
Prune according to best professional
slow that pruning is needed
practices
to maintain optimal plant
health.
Plants are dead, diseased or
Determine the source of the
dying.
problem: soils, hydrology, disease,
etc Remedy the problem and
replace plants. Provide a one-time
fertilizer application to establish the
ground cover if a soil test indicates
it is
Weeds are present
Remove the weeds, preferably by
hand. If pesticide is used, wipe it on
the plants rather than spraying.
The main treatment area
Sediment has accumulated to
Search for the source of the
a depth greater than the
sediment and remedy the problem if
original design sediment
passible. Remove the sediment and
storage depth
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Algal growth ewers over
Consult a professional to remove
50% of the area,
and control the algal arowth.
CAttails, pbragmites or other
Remove the plants by wiping them
Invasive plants cover 5D% of
with pesticide (do not spray).
the basil surface.
The embankment
Shrubs have started to grow
Remove shrubs Immediately.
on the embankment
Bvideneeofmaskrator
Use traps to remove muskrats and
beaver activity is present.
consult a professional to remove
heavers.
A tree has started to grow on
Consult a dam safety specialist to
the embankment
remove the tree.
An annual inspection by An
Make all needed repairs,
appropriate professional
shows that the embantmTent
needs repair.
The outlet device
Clogging has occurred.
Clean out the outlet device. Dispose
of the sediment off -site.
Theouthalderviceisdamseged
1 Repair or lace the outlet device.
The receivingwate:
Brosion or outer signs of
Contact the local NC Division of
damage have occurred at the
Water Quality Regional Office, or
outlet
the 401 Oversight Unit at 919-733-
1786.
I. THE TOP OF THE BERM AND THE EXTERIOR 51DE SLOPES SHALL BE SEEDED WTIH CENTIPEDE GRASS.
2. THE VEGETATIVE FILTER STRIP SHALL BE SEEDED WITH CENTIPEDE GRASS
3. NO TREES OR SHRUBS SHALL BE PLACED WITHIN 10 FEET OF INLET OR OUTLET PIPES, OR MAINMADE
DRAINAGE STRUCTURES SUCH AS SPILLWAYS OR FLOW SPREADERS.
4. PLANTINGS SHALL NOT BE PLACED ON BERMS
5. LANDSCAPE CONTRACTOR IS RESPONSIBLE FOR VERIFYING ALL PLANT QUANTITIES AND SHALL BRING
ANY DESCREPANCIES TO THE ATTENTION OF THE LANDSCAPE ARCHITECT.
6. SEED SHALL BE APPLIED AT THE RATE SPECIFIED BY THE MANUFACTURER. IF PLANT
ESTABLISHMENT CANNOT BE ACHEIVED WITH SEEDING BY THE TIME OF SUBSTANTIAL COMPLETION OF THE
STORMWATER FACILTY PORTION OF THE PROJECT, THEN THE CONTRACTOR SHALL PLANT THE AREA WITH
WILDFLOWER SOD, PLUGS, CONTAINER PLANTS OR OTHER MEANS TO COMPLETE THE SPECIFIED PLANTINGS
AND PROTECT AGAINST EROSION BEFORE WATER IS ALLOWED TO ENTER THE STORMWATER BMP FACILITY.
7. ALL NEWLY PLANTED PLANT MATERIAL SHALL BE PROTECTED FROM INVASIVE WEEDS AND ANIMAL
DAMAGE (STAKING, NETTING, ETC.) TO ENSURE PLANT SURVIVAL.
8. ALL STAKING SHALL BE REMOVED WITHIN 12 MONTHS TO PREVENT GIRDLING.
q. ALL PLANTS SHALL HAVE A 2-YEAR WARRENTY. AT THE END OF THE IST YEAR AND AGAIN AT THE
END OF THE 2-YEAR WARRENTY PERIOD, ALL PLANTS THAT DO NOT SURVIVE SHALL BE REPLACED.
10. ANY SOIL AMENDMENTS SHOULD BE ADDED AT THE END OF THE SITE CONSTRUCTION PROCESS. THE
BMP SHALL BE PLANTED AND MULCHED IMMEDIATELY AFTER AMENDING THE SOIL TO STABILZE THE SITE
AS SOON AS POSSIBLE.
II. SHALLOW WATER PLANTS ARE BEST PLANTED BETWEEN APRIL I AND JULY 15. AVOID WINTER
PLANTINGS.
■DO NOT BID THIS SET OF PLANSmommD UNTIL IJtBELED
LMVSCAPEE P.A r H tM10 PART
ATI
RESPONSIBLE FOR SIDS OR BID atANGES.
d
TO t
Table 13-2
hispection and Maintenance Provisions for Filter Ships
BMP element
potentialproblem;
How to remediate the probIenu
The entire rdher strip
system
Trash/debris is present
Remove the trash/debris.
The flow splitter device
(if applicable)
The Bow Spitler device is
do d.
Unclog the conveyance and dispose
of an sediment off -site.
The How splitter device is
damaged.
Make any necessary repairs or
replace if damage is too large for
repair.
The wale and the level
tip
The Swale is dogged with
sediment
Remove the sediment and dispose
of it off -Site.
The level lip is cracked,
settled, undercut, eroded or
Repair or replace lip,
otherwise dams
There is erosion around the
Regrade the soil to create a berm
end of the level spreader that
shows stormwater ties
bypassed it
that is higher than the level lip, and
then plant a ground cover and
water until it is established. Provide
lime and a one-time fertilizer
application.
Trees or shrubs have begun
Remove them.
to grow on the Swale or just
downslope of the level Hip.
The bypass channel
Areas of bare soil and/or
erosive gullies have formed,
Regrade the soli If necessary to
remove the gully, and then
-
reestablish vroper erosion control.
Turf reinforcement ie
damaged or ripap is rolling
downhill.
Study the site to see If a larger
bypass channel is needed (enlarge if
necessary). After this, reestablish
the erosion control material.
do not top tree
hole darner
w to 2• CaLtvIce bad else.
greater thin 2•. 2' larger the bell
2 piece, rebforced rubber hose
12 ga gaNadred wre
Wk. for defhctlm
rx2•x9' treated Stake 2.12kG'
temeq, backfa a G' byre,
be ka n rah excavated matend
Sad 5L max. orgeaw
4• ,itch m ,peCHfvid
udattrbed sbR'ads
settb d pletags nth ntw
LAR TRH rumhove ramose reWor after i yand We fron � SMALL TRICE
carefuy Ravi d devised roots and broaches
4' En. uAch Byer
set top of root bd G•-B• above grads
Preparo Satre b" not adnAmtly.
5nRJ5 Sam PLANTING PLANTING DETAE S
GENERAL PLANTING NOTES
1. VERIFICATION Or TOTAL QUANTES A$ SHOWN ON THE PLANT LIST SMALL car THE
RESPONSIBILITY Of THE PLANTNO CONTRACTOR. AND THE TOTAL QUANTES SMALL BE
REQLRED ON THE PLANTING PLAN.
2. ALL TREES, SHRL DS. AND NDD14G PLANTS SHALL 00HPORM To THE ACCEPTED STANDARD
ESTAIII BY THE APERIGAN ASSOCIATION Or HIRSERYM4N.
3. ALL 5AUCER5 SHALL BE 50AIRD WITH WATER AND NLCHED rPEDIaTELY roLLowHG
PLANING.
4. SET TOP OF ROOT BALL 6•-B' ABOVE GRADE. PREPARE ENTIRE BED,
NOT NSC DUALLY.
5. THE SQL Or ALL ROOT BALLS SHALL CONFORM TO AAN STANDARDS.
G. FERTLQC ALL PLANTS WITH AGWORM FERTILIZER TABLETS OR EQUAL TO BE APPLIED
AT MANIFACTURERS RECCOMENDED RATE.
T. GAMIC, IF NECESSARY. SMALL BE REMOVED AFTER ONE GROWNG SEASON.
a. ALL ROOT BALLS REMOVED FROM CONTAINERS SHALL W SCARVED PRIOR TO BACAT"G.
4 ALL TREES HAVE BEEN LOCATED WITH RESPECT TO PROPOSED OR EgSTNG FACLITES
OR STRUCTUES.
to. OWNERS SHALL MAINTAIN ALL PLANT BEDS AND PLANT MATERIAL N GOOD HEALTH. AND
ANY DEAD. UNHEALTHY OR MISSING PLANTS SHALL BE REPLACED WITH LOCALLY ADAPTED
VEGETATION
EGE MCC. WHICH CONFORMS To THE NRAL PLANTING STANDARDS OF THE LANDSCAPE
ORD1%. REPORT ANY DEWREPANCE5 TO THE PROJECT LANDSCAPE HUARCHITECT.
12. SLSSTTION5 OR ALTERATIONS SHALL NOT BE MADE WITHOUT PRIOR WRITTEN 14OTMATI
Of THE PROJECT LANDSCAPE ARCHITECT.
13. ALL PLANT MATERIAL SMALL BE OF SPECETN OVNJTY. ol
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DRAWN BY:
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DATE:
08/02/07
SHEET
Lauane3A
OF 10

Storm Drainage Table
Inlet
DA
Sum DA
0(25)
Top
Invert
Culvert
Length
Slope
Outlet
1
18.5
18"
18
0.00%
n nnn/
2
n
4
nA •I)•
IA
•A"
AA
AAAA/
f1•LL
0.28
0.28
2.1
22.00
18.5
15"
78
0.38%
5
5
0.18
0.46
3.4
22.00
18.2
15"
82
0.49%
6
6
0.21
1.69
12.1
22.00
17.8
24"
150
0.40%
6A
6A
0.00
1.69
12.1
22.00
17.2
24"
66
0.30%
12
7
0.35
0.35
2.5
22.00
18.0
15"
50
0.40%
6
8
0.67
0.67
2.5
22.00
18.3
15"
98
0.31%
6
9
0.17
0.17
1.2
20.50
18.0
15"
47
0.43%
10
10
0.19
0.36
3.0
20.70
17.8
15"
41
0.49%
11
11A
0.26
0.26
2.2
21.70
18.5
15"
96
0.94%
11
11
0.12
0.74
6.1
21.00
17.6
18"
38
3.68%
Pond
12
0.26
2.69
12.8
20.00
17.0
30"
76
0.39%
Existing
Existing
21.99
16.5
36"
LEGEND
■ DROP INLET
© DROP INLET NUMBER
X 233 SPOT ELEVATION
DRAINAGE NOTES:
1) ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CITY OF NEW BERN
STANDARDS AND SPECIFICATIONS.
2) ALL ON -SITE STORM DRAINAGE
3) TOTAL LOT IS DISTURBED AND
SHOWN.
WILL BE PRIVATE.
WILL BE SURROUNDED BY SILT FENCING AS
4) ALL ROOF DRAINAGE IS TO BE COLLECTED BY GUTTERS. DOWNSPOUTS TO
BE PIPED TO INLETS 8 AND 10 FOR DISCHARGE TO WET DETENETION POND AS
SHOWN ON PLAN. (50% OF ROOF EACH WAY)
SEE SHEETS 7A & 7B FOR
BMP DE -(A ILS
CITY
OF
NEW
BERN STORMWATER MANAGEMENT
TOTAL
SITE
AREA
= 127,120 SF
AREA IN PHASE 1 = 77,007 SF
EXISTING IMPERVIOUSNESS IN PHASE 1 = 44,392 SF
PROPOSED IMPERVIOUSNESS IN PHASE 1 = 501202, SF
PHASE 1 NET = 5, $ l(o SF INCREASE IN IMPERVIOUSNESS
AREA IN PHASE 2 = 50,113 SF
EXISTING IMPERVIOUSNESS IN PHASE 2 = 36,252 SF
PROPOSED IMPERVIOUSNESS IN PHASE 2 = 33,612 SF
PHASE 2 NET = 2,640 SF DECREASE IN IMPERVIOUSNESS
DEMOLITION OF EXISTING BUILDING AND VEHICULAR AREAS
AND CONSTRUCTION OF PROPOSED IMPROVEMENTS FOR PHASE 1
RESULT IN A NET REDUCTION OF IMPERVIOUSNESS OF 30) 496 SF.
THEREFORE NO CITY STORMWATER MANAGEMENT IS REQUIRED FOR
THE PROPOSED DEVELOPMENT. SINCE CITY STORMWATER MANAGEMENT
IS ONLY REQUIRED WHEN IMPERVIOUSNESS IS INCREASED BY 1 /2 AC,
PHASE 2 HAS AN ADDITIONAL SF OF IMPERVIOUSNESS
AVAILABLE FOR FUTURE DEVELOPMENT BEFORE STORM WATER
MANAGEMENT IS REQUIRED.
THEREFORE, CITY OF NEW BERN STORMWATER MANAGEMENT IS NOT
REQUIRED. HOWEVER, 1" OF RUNOFF FROM ALL IMPERVIOUS AREAS IS
CAPTURED AND TREATED BY BIORETENTION OR WET DETENTION POND.
TOTAL NITROGEN REDUCTION BY BMP'S IS 30%.
STORMWATER PLAN
BLACKBURN CONSULTING
305 EAST MAIN STREET
CLAYTON, NC 27520
553-2900 553-7298(FAX)
ENGINEERING
SEAL
9496
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-_- N 8737 24" W p 9a
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8351 35" . .
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Candlewood Suites N 0 TES:
Stage Area Storage Table 1) A PUMP IS REQUIRED TO DRAIN WET
Forebay Main Pool Storage above Sediment Storage D E TEN TI ON POND FOR SEDIMENT R EM O VA L
Elev Area Storage Area Storage AND OTHER MAINTENANCE.
7.0 0 0 120 0
8.0 0 0 224 172
9.0 0 0 358 463 (Sediment Storage) 0
10.0 0 0 523 441 441 l o' 5' 0 10' 20'
1 1061
Q N -
8-BB
3-BA
5-VI-
100-1 -
N -�
2-BB-
4- IB -
WET DETENTION
FL4NTING FL4N
SEED ALL BER 1 AND EXTERIOR
SIDE SLOPES N I TH CENTIPEDE GRASS
3-SPB
150-5 RB �
\1
\I
l
r
5-IB
-50-1
WERNMA
I I.0
0
0
718
106
SCALE: 1" = to
NOTES:
12.0
13.0
14.0
46
168
322
0
107
352
945
1202
1491
1893
2966
4313
1893
3073
4665
I. THE TOP OF THE BERM AND THE EXTERIOR SIDE SLOPES SHALL BE SEEDED WTIH. CENTIPEDE GRASS.
2. THE VEGETATIVE FILTER STRIP SHALL BE SEEDED WITH CENTIPEDE GRASS.
3. NO TREES OR 5HRUB5 SHALL BE PLACED WITHIN 10 FEET OF INLET OR OUTLET PIPES, OR MAINMADE
DRAINAGE STRUCTURES SUCH AS SPILLWAYS OR FLOW SPREADERS.
15.0
17.0
17.0
508
977
977
767
2237
2237
1811
2547
2547
5964
10306
030
6731
9335
12542
WET DETENTION POND PLAN
4. PLANTINGS SHALL NOT BE PLACED ON BERMS
5. LANDSCAPE CONTRACTOR 15 RESPON51BLE FOR VERIFYING ALL PLANT QUANTITIES AND SHALL BRING
TO THE ATTENTION E THE LANDSCAPE ARCHITECT.
ANY SEED
6. SEED SHALL HE APPLIED AT THE RATE SPECIFIED BY THE MANUFACTURER. IF PLANT
SHALL
ESTABLISHMENT CANNOT BE ACHEIVED WITH SEEDING BY THE TIME OF SUBSTANTIAL COMPLETION OF THE
17.5
18.0
18.5
19.0
19.5
20.0
20.0
1151
1722
2769
3487
2790
3692
7080
7718
8238
8772
8772
11640
13260
14408
16747
19871
23570
27559
31812
31812
B L A C K B U R N C O N S U L TI N G E N GIN E E R I N G
305 EAST MAIN STREET
C LA YTO N N C 5 O
5 5 3 - 2 9 0 0 5 5 3 - 7 2 9 8 (FAX)
5TORMWATER FACILTY PORTION OF THE PROJECT, THEN THE CONTRACTOR SHALL PLANT THE AREA WITH
WILDFLOWER SOD, PLUGS, CONTAINER PLANTS OR OTHER MEANS TO COMPLETE THE SPECIFIED PLANTINGS
AND PROTECT AGAINST EROSION BEFORE WATER IS ALLOWED TO ENTER THE STORMWATER BMP FACILITY.
7. ALL NEWLY PLANTED PLANT MATERIAL SHALL BE PROTECTED FROM INVASIVE WEEDS AND ANIMAL
DAMAGE (STAKING, NETTING, ETC.) TO ENSURE PLANT SURVIVAL.
B. ALL STAKING SHALL BE REMOVED WITHIN 12 MONTHS TO PREVENT GIRDLING.
q. ALL PLANTS SHALL HAVE A 2-YEAR WARRENTY. AT THE END OF THE I5T YEAR AND AGAIN AT THE
END OF THE 2-YEAR WARRENTY PERIOD, ALL PLANTS THAT DO NOT SURVIVE SHALL BE REPLACED.
10. ANY SOIL AMENDMENTS SHOULD BE ADDED AT THE END OF THE SITE CONSTRUCTION PROCESS. THE
BMP SHALL BE PLANTED AND MULCHED IMMEDIATELY AFTER AMENDING THE SOIL TO 5TABILZE THE SITE
AS SOON AS POSSIBLE,
11. SHALLOW WATER PLANTS ARE BEST PLANTED BETWEEN APRIL 1 AND JULY 15. AVOID WINTER
PLANTINGS.
3-BA
5-VI
=I9�
� r5B-
BA
7-IB
N
00-SP
-SPB I
ii�z�lr►
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WET DETENTION POND PLANT LIST
KEY QTY BOTANIGAl LIeMc MM u
W
5
501ix ni ra
'11 ,1.
Black Willow
: ILz
5-6' HT.
KVV I
B*B
RB
4
Betula nigra
River Birch
5-6' HT,
BEB
5PB
Li
Clethra ainifolia
Sweet Pe rbush
36" HT.
Cont.
VI
21
Viburnum cassinoides
Northern Wild Raisin
36" HT.
Cont.
BB
19
Gephalantus occidentalis
Buttonbush
3ro" HT.
Cont.
IB
16
Ilex glabra
Inkberr
36" HT.
Cont.
MN
7
Hibiscus M0sCheUt05
Marsh Hibiscus
18"-24" HT.
Cont.
BA
20
Berberis thunbergii
Barberr
18' -24" HT.
Cont.
I
275
Iris vir inica
Southern Blue Fla Iris
I Gal.
Cont.
SG
355
Panicum virgatum
Switchgrass
4" POT
Cont•
SP
250
Stir us un ns
Soft Stem Bulrush
4" POT
Cont.
r"F IV I avvKc.co: ALL PLANT MATERIAL SHALL COME FROM LOCAL NURSERY
STOCK. IF A SOURCE FOR A SPECIFIED PLANT CAN NOT BE LOCATED,
LANDSCAPE CONTRACTOR SHALL CONTACT THE LANDSCAPE ARCHITECT
FOR A SUITABLE SUBSTITUTION.
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DATE:
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EL 20.5
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S
10' VEGETATED SHELF
FROM EL 17.5 TO EL 18.5
® 10: 1 SLOPE
�EGETq -
SyELF ED
PLANTINGS PER
LANDSCAPE PLAN
(SHEET L-3A)
PARKING LOT
GRADING
PER PLAN
3"(MIN) SHREDDED
HARDWOOD MULCH
FOREBA Y
NORMAL POOL EL 18.0
BOTTOM EL 12 11
MAIN POOL
3' TEMP WATER QUALITY POOL EL 18.5
REINFORCED CONCRETE OUTLET
STRUCTURE W/ 3 SIDE AT EL 18.5
AND BACK AT EL 20.5
2' INSIDE SIDE WIDTH
AND 3' INSIDE FRONT & BA(
W/ TRASH RACK
CLEAN -OUT
4"PVC W/ TEE STUBBED
INTO OUTLET STRUCTURE
NORMAL POOL EL 18.0
4"PVC CAP W/ 1" DIA.
EL 14.5 `� HOLE © EL 17.5
NCDOT DROP INLET
#840.15 W/ GRATE
EL 22
12" PONDING n i
�J
FOREBAY
WEIR
EL 17.5
TOP OF SEDIMENT STORAGE EL 9
BOTTOM EL 7
WET DETENTION
PARKING LOT
GRADING
PER PLAN
SHEET FLOW FROM PARKING
LOT ON ALL SIDES WTIH
NO CURB 8c GUTTER
ROADWAY pRg7 r0 EXISTING
NAGS
CULVERT FROM OTHER
BMP'S
NOTE: SOIL MEDIA TO BE PLACED IN BIORETENTION CELLS
SHALL BE SANDY LOAM WITH HOMOGENOUS MIX AS SPECIFIED
IN DETAIL ABOVE. THE SOIL SHALL HAVE LOW PHOSPHORUS
CONTENT. A CERTIFIED SOIL REPORT SHALL BE PROVIDED FROM
A SOIL SCIENTIST CONFIRMING THAT THE P—INDEX IS BETWEEN
10 AND 30.
BI❑-RETENTI❑N BASIN EETAI
BIORETENTION # SUREFA CE AREA (EL 22)
4 903 SF
5 655 SF
6 743 SF
7 1163 SF
8 2604 SF
POND DETAIL
CONSTRUCTION SEQUENCE:
1) UPON COMPLETION OF SITE DEMOLITION, GRADE SITE.
2) AS DRAINAGE CULVERTS ARE INSTALLED CONSTRUCT BIORETENTION
CELLS PER FOLLOWING.
3) EXCAVATE FULL DIMENSION AND DEPTH OF CELLS.
4) INSTALL DRAINAGE CULVERT AND FILL CELL WITH SPECIFIED
PLANTING MEDIA. (OVERFILL CELL BY 6")
5) UPON STABILIZATION OF SITE, REMOVE ANY SILT AND EXCESS 6"
OF MATERIAL.
6) INSTALL PLANTS AND 3" OF MULCH.
SEE SHEET L-3A FOR PLANT SPECIFICATIONS
10' VEGETATED SHELF
FROM EL 17.5 TO EL 18.5
10: 1 SLOPE
INV 17.0
4'X5'Xl' CONCRETE
FOOTING
WELD FRONT BARS TO
1/4"X 1" STEEL BAR
& BOLT TO BACK WALL
WELD
END I
WELD FRONT BARS TO
1/4"X 1" STEEL BAR
& BOLT TO FRONT WALL
WELD SIDE BARS TO
1/4"X 1" STEEL BAR
& BOLT TO SIDE WALL
WET POND
30"RCP
#5 REBAR @ 4"
(EACH END)
EXISTING CURB
INLET IN
GLENBURNIE ROAD
T
1>:.,..,; ,.• EXISTING
INV 16.7 36"RCP
WELD FRONT BARS TO
1/4"X 1" STEEL BAR
& BOLT TO BACK WALL
i REBAR ® 4"O.C.
WELD FRONT BARS TO
1/4"X 1" STEEL BAR
& BOLT TO FRONT WALL
TRASH RACK DETAIL
N 0 TES:
1) A PUMP IS REQUIRED TO DRAIN WET DETENTION POND FOR
SEDIMENT REMOVAL AND OTHER MAINTENANCE.
BIVIP DETAILS
BLACKBURN CONSULTING
305 EAST MAIN STREET
CLAYTON, NC 27520
553-2900 553-7298(FAX)
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APPR&''ED
NORTH CAROIJNp EPt�'RONMEN'
MANAGEMENT GOMMISS10N
U,JVISION OF WATER C�_AJ-
Date__ffift� �- �
Stormwater Permit No
Storm Drainage Table
Inlet
1
DA
Sum DA
0(25)
Top
-
Invert
18.5
Culvert
18"
Length
18
Slope
0,00%
A AAl1,
Outlet
2
If
&
A
A AAA/
1'1•a�L
4
0.28
0.28
2.1
22.00
18.5
15,
78
0.38%
5
5
0.18
0.46
3.4
22.00
18.2
15"
82
0.49%
6
6
0.21
1.69
12.1
22.00
17.8
24"
150
0.40%
6A
6A
0.00
1.69
12.1
22.00
17.2
240
66
0.30%
12
7
0.35
0.35
2.5
22.00
18.0
15"
50
0.40%
6
8
0.67
0.67
2.5
22.00
18.3
150
98
0.31%
6
9
0.17
0.17
1.2
20.50
18.0
15"
47
0.430A
10
10
0.19
0.36
3.0
20.70
17.8
150
41
0.49%
11
11A
0.26
0.26
2.2
21.70
18.5
150
96
0.94%
11
11
0.12
0.74
6.1
21.00
17.6
18"
38
3.68%
Pond
12
0.26
2.69
12.8
20.00
17.0
30"
76
0.39%
Existing
Existing
21.99
16.5
36"
LEGEND
■ DROP INLET
© DROP INLET NUMBER
x 23.3 SPOT ELEVATION
DRAINAGE NOTES:
1) ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CITY OF NEW BERN
STANDARDS AND SPECIFICATIONS.
2) ALL ON -SITE STORM DRAINAGE WILL BE PRIVATE.
3) TOTAL LOT IS DISTURBED AND WILL BE SURROUNDED BY SILT FENCING AS
SH 0 WN.
4) ALL ROOF DRAINAGE IS TO BE COLLECTED BY GUTTERS. DOWNSPOUTS TO
BE PIPED TO INLETS 8 AND 10 FOR DISCHARGE TO WET DETENETION POND AS
SHOWN ON PLAN. (50% OF ROOF EACH WAY)
SEE SHEETS
BMP DEA TILS
7A & 7B FOR
CITY
OF
NEW
BERN STORMWATER MANAGEMENT
TOTAL
SITE
AREA
= 127,120 SF
AREA IN PHASE 1 = 77,007 SF
EXISTING IMPERVIOUSNESS IN PHASE 1 = 44,392 SF
PROPOSED IMPERVIOUSNESS IN PHASE 1 = 52,125 SF
PHASE 1 NET = 7,733 SF INCREASE IN IMPERVIOUSNESS
AREA IN PHASE 2 = 50,113 SF
EXISTING IMPERVIOUSNESS IN PHASE 2 = 36,252 SF
PROPOSED IMPERVIOUSNESS IN PHASE 2 = 33,612 SF
PHASE 2 NET = 2,640 SF DECREASE IN IMPERVIOUSNESS
DEMOLITION OF EXISTING BUILDING AND VEHICULAR AREAS
AND CONSTRUCTION OF PROPOSED IMPROVEMENTS FOR PHASE 1
RESULT IN A NET REDUCTION OF IMPERVIOUSNESS OF 20,535 SF.
THEREFORE NO CITY STORMWATER MANAGEMENT IS REQUIRED FOR
THE PROPOSED DEVELOPMENT. SINCE CITY STORMWATER MANAGEMENT
IS ONLY REQUIRED WHEN IMPERVIOUSNESS IS INCREASED BY 1 /2 AC,
PHASE 2 HAS AN ADDITIONAL 40,315 SF OF IMPERVIOUSNESS
AVAILABLE FOR FUTURE DEVELOPMENT BEFORE STORM WATER
MANAGEMENT IS REQUIRED.
THEREFORE, CITY OF NEW BERN STORMWATER MANAGEMENT IS NOT
REQUIRED. HOWEVER, 1" OF RUNOFF FROM ALL IMPERVIOUS AREAS IS
CAPTURED AND TREATED BY BIORETENTION OR WET DETENTION POND.
TOTAL NITROGEN REDUCTION BY BMP'S IS 30%.
STORMWATER PLAN
BLACKBURN CONSULTING
305 EAST MAIN STREET
CLAYTON, NC 27520
553-2900 553-7298(FAX)
ENGINEERING
_ y3,oeasrss;,,e,
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Meham, NC 27302
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DATE:
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