SW6100701_Supplement Form_20101011 (2)

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Constru-Lion in nc z rr'an P wilt% these documents is
required try 111e strr.'mwater perrnii. North Carolina
rules require thal t`r_ !rr.nwalor system designer
Inspect during curli�, conformity with the
plans and. specs, a :r.:;r i:i'r compliance with the
stormwater rules. NCA10 2H' .1008 (f) )
Permit # _' yW(loo r}p I _ Date
by_j, ^---- INC )ivision of,Nat.,_,- OVa, ?y
wT rl�O _51%_F,e�i;ior
NO r;Mflcp: lo�f ,/a
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
Permit Na, f ✓ / i� is f
(to be Pmvz d by D%Q
no form must be filled out primed and uA new
The Requ:ed nonu Chad" (Pal 110 must be prwrAed, algid our and submrlted a►ang alh aN 00re regwed nbftsbon.
PMjed name Traemoar Vllape
Cortad Perron CIWWV s Rogers, Enadr BVwn, PA
Phone marrbm QI98BL 7766
Data 5mwwo
DW13ge aea rrunber 1 _ -.. _ ._..
Sim chwacurbrom
Drainage area 2.831,400 le
kwarA ra area. p 41-dopnvwt 1,43t1,860 IF
% rnpariolb 5085 %
DesignrairfaYdoplh 1.0 in
5lorags Volume: 14on•SA Waters
Minim volume required
Volume pmvded
Storage Volume: SA Water
1.5' nrndf vokme
Pm-deedoprnai 1-Tr, 24•hr tenon
Post4evakiwelt I- rr, 24fir runoff
Mirurtu m volume requiw
Vokne provided
Pwk Fbr CalcalsHom
Is free prWpaat control of the lyr 24W storm peak fbw required?
1 -yr. 24-trr natal depth
Rational C. pra�elopnbnl
Raacnd C, post4evelapirwo
Ra wdal lrftmly: l -jr, 24av storm
PM-6evciopmerr 1-yr, 244Y peek Now
Pael4eveloprnert 1-yr, 24-tr peak law
PrelPoe31-yr, 2" peak kw carol
Elevations
Tanporary pool elwa m
Pemralsrt pod devabon
SHWT elevation (approx. at the perm. pool elerah m)
Top of 1011 vegetated shill elevation
Bottom of 1 OR vegetated slldl elevation
Sedirnent dearoul by elevation (battaar d Pond)
Sedirwt dsarrort, botlo n devadon
Sedrr-A storage provided
Is Owe additional volum sexed above bv sWt-r wW Wv. pod%
Elevaabw of the by of Te add6onal Volume
120.000 80
510,482''
n'
Y_ (Y or N)
Me
OK, vchne provided is equal b a it exam$ d volume 4egt4pd.
3.0 in
0.35 Imo)
2.10 in41r OK
47.70 elsm
44.03 ff'lsec
-3.75 8'Isee
177.00 fi►sl
173.50 fuel
173.50 hrd
174.D0 hrd
1T3.00 fvd Data not needed for C*daticn option #1, brat OK l provided.
170.50 had
169.50 had Data not needed br a x.tation option 01. bat OK 9 prow".
1.00 8
1r . (Y or N)
1T7.0 brut OK
Form SW401-Wet Dofwd*n B&w� Rev.& W 17,Da Pula I, a a. Duon Smrrwy, P" 1 of 2

Pemlil No ---> r ✓o / (;; t:
r m n3 Peewee Cr DwQ)
Surface Areas
Area, temporary pool 161,498 R7
Area REQUIRED, permanent pod 84.942 Rr
SAIDA ratio 3.00 (ur*ess)
Area PROVIDED, permanent pool, AP„p� 98.576 R` OK
Area, bottom of 1 M vegetated shelf, Aed . 79.311 R`
Area, sedimeft dearlout, Epp elevation (bottom of pond), Abdo 65.775 It'
volumes
Volume, temporary pod
510,482 R' OK
Volume, Pemearert pool. V,, jw
358A70 n'
Volume. faraday (sun of forebaps A more than one torebay)
71,704 R'
Fore" % of pem woM pod volume
20.0% % OK
SAIDA Table Data
Design TSS removal
90 %
Coastal SAIDA Table Used?
n (Y or N)
Mour'da'wP mort SAIDA Table Used?
y (Y or N)
SAIDA ratio
3.00 (unmess)
Average depth (used in SAIDA table)-
C*miation option 1 used? (See Figure 10.2b)
y ' (Y of N)
Volume. Penn®-* pool, V0 r,-P-0
358.070 R°
Area prmndad, permanent Pod, A,__,_
68,576 R`
Average depth c*uWW
3.00 R OK
Average depth used i1 SkUk d., (Round to nearest 0.54)
3.0 R OK
t zi ulabon option 2 used? (See Figure 10-2b)
n (Y or N)
Area provided, permanent pool, A. ,d
88,576 fe
Area, bottom of 1 DR vegetated shelf. Am
79.311 R1
Area, se Went dtanout. top elerat M (bottom of pond). Am,. 65,775 47
'Depot' (doafce W bottom of 10R shelf and top of sedine t)
2.50 R
Average depth calaiated
_ 1! _
Average depth usedin SAIDA, d.. (Round to neareG 0.50)
R
D-vwdown Cakatpiorra
Drawdowm through ortke?
�_ (Y or N)
Diamctec of orifice {i ciresiw)
500 in '
Area of orifice (44*n-arena')
in?
Coelfldert of discharge (Co)
0.60 (undess)
Driving hear] (H,j
1.590 ,
Draadown through weir?
n (Y or N)
Weir type
(urIUM)
Coefficient of discharge (C`)
(untkess)
'
Length of weir (L)
fi
Driving head (H)
R '
Pre-&-Agopment 1-yr, 24-ty peak Row
47.78 el",
Po61-6 v i,oprnert 1-yr. 24fir peak Row
6.30 R'Isec
Storage volume discharge rate (through discharge orifice or weir)
1.66 n'Isec
Storage vdurne drawdown time
2,53 days OKC draws dam in 2-5 days.
Addkk" Yrfornu6m
Vegetated side stopcs
3 A
OK
Vegetated shell slope
10 :1
OK
Vegetated shell width
10.0 1t
OK
Length of llowpath io width ratio
7 :1
OK
Length to width ratio
7.0 :1 -
OK
Trash rack for overfbw A orifice?
y_ (Y or N)
OK
Freeboard mmided
1.5 R
OK
Vegetated fiter provided?
n (Y or N)
OK
Recorded drainage easemert provided?
y_ (Y or N)
OK
Capures all nroff at Wtrmale bu4d-oW
y_ (Y or N)
OK
Drain macharam for maintenance or emergencies is:
Fwm SW401-Wee Detaneon Bas. Rar.B-WT7109 - Pax I. a II. Desw Svnnw y. Pape 2 oft