SW8161011_Historical File_20170118

ECENED
oct 1 t 2016
Prepared by and return to:
Clark, Newton, Evans, & Bryan, LLP
509 Princess Street, Wilmington, NC 28401
i�,moae�,n
REGISTER OF DEEDS
FOR REGASS In"No. SMITH NC
NEW HANOVER LOUNT�
2t; DEC i4 61*
6K:52R0 pG:i6i9-i622 FEE:$21.00
SIC REV S ►M4 ; 210-1
���3
jtjRjg 1
Description: Part 2410-502 PIN: Part R07900-003-035-000 Stamps: $2,000
VTf—
NO TAX ADVICE GIVEN BY PREPARER
NORTH CAROLINA
GENERAL WARRANTY DEED
COUNTY OF NEW HANOVER
THIS DEED, made this the IIth day of December, 2007, by and between N & K
DEVELOPMENT, INC., Grantor, and L1'tt11?NA REALTY OF NORTH C ACiO L NA, l.l.(',
Grantee, whose mailing address is 102 Cinema Drive, STE A, Wilmington, NC 28405. The
designations Grantor and Grantee as used herein shall include said parties, their heirs, successors,
and assigns, and shall include singular, plural, masculine, feminine, or neuter as required by
context.
WITNESSETHi: that the Grantor, for a valuable consideration paid by the Grantee, the
receipt of which is hereby acknowledged, has and by these presents does grant, bargain, sell, and
convey unto the Grantee in fee simple, all that certain lot or parcel of land situated in New
Hanover County, North Carolina, and more particularly described as follows:
BEGINNING at a point in the westernmost line of Masonboro Loop Road (SR 1492),
said point being N. 473 15' W. 11.18 feet from an old iron pipe in the old right of way line of
said road, said old iron pipe being the southernmost corner of the tract of land conveyed to E. V.
Garner by deed recorded in Book 606, Page 551, New Hanover County Registry, said beginning
point also being S. 26° 37' 55" W. along the westernmost line of Masonboro Loop Road 624.20
feet from an iron pipe in the present run of Everett's Creek; thence from the point of beginning,
N. 47015' W. 645.04 feet to an old iron pipe; thence N. 34' 45' 35" W. 346.96 feet to an iron
pipe; thence N. 34' 45" 35' W. 3.40 feet to a point in the run of a large drainage canal, said point
being S. 34° 45' 35" E. 256.86 feet from an old iron pipe; thence eastwardly along the run of
said drainage canal the following courses and distances to a point in the run of Everett's Creek:
N. 390 28' 50" E. 26.80 feet to an iron pipe, N. 54' 23' 45" E. 66.41 feet to an iron pipe; thence

N. 600 54' 30" E. 50.72 feet to an iron pipe; thence N. 59' 41' 35" E. 58.74 feet to an iron pipe;
thence N. 75' 08' 35" E. 70.17 feet to an iron pipe; thence N. 81' 53' 00" E. 30.73 feet to an iron
pipe; thence N. 78° 34' 10" E. 125.48 feet to an iron pipe; thence N. 78' 47' 20" E. 317.15 feet
to an iron pipe; thence N. 83' 02' 20" E. 77.35 feet to An iron pipe; thence S. 71 ° 43' 20" E.
70.71 feet to an iron pipe; thence S. 30° 06' 35" E. 35.00 feet to a point in the run of Everett's
Creek; thence S. 30' 06' 35" E. 53.52 feet to an iron pipe in the run of Everett's Creek; thence
southwardly with the run of Everett's Creek the following courses and distances to the
westernmost line of Masonboro Loop Road: S. 37' 30' 50" E. 35.25 feet to an iron pipe; S. 19'
41' 35" E. 161.44 feet to ari iron pipe; S. 4° 26' 40" W. 121.25 feet to an iron pipe in the
westernmost line of Masonboro Loop Road; thence S. 26° 37' 55" W with the westernmost line
of Masonboro Loop Road 624.20 feet to the point of beginning, containing 12.388 acres, more or
less, and being the identical tract or parcel of land conveyed to N & K Development, Inc., by
deed dated July 30, 1998, and recorded in Book 2410, Page 502, New Hanover County Registry.
LESS AND EXCEPT THE FOLLOWING TRACT OR PARCEL OF LAND:
Being all that certain tract of land lying and being located in Harnett Township,
New Hanover County and being all of a four (4.0) acre tract of land located on
Myrtle Grove Road and being bounded on the North as referenced in Book 1902,
Page 291 and being bounded on the North by (now or formerly) Douglas N. and
Sharon F. Haggett as referenced in Book 1734, Page 50 and James B. Gillespie,
Jr. and Carolyn Gillespie as referenced in Book 1136, Page 1273, New Hanover
County Registry, and bounded on the East by the public 60' right of way of
Myrtle Grove Road, on the South by the right of way of Deer Hill Drive, and by
an open space of 12,337 square feet and Lot One of Deer Crossing, both of which
are shown on map recorded in Map Book 41, Page 348, New Hanover County
Registry, and being more particularly described as follows:.
BEGINNING at the point of intersection of the western right of way line of
Myrtle Grove Road and the northern right of way line of Deer Hill Drive, said
point of beginning further being located by beginning at NCGS Monument
"KEYS" N=132170.27 E=2337311.55 and running a bearing and distance of N.
210 09' 00" W. 1657.91 feet (NAD 83) to an existing iron pipe and continuing
with a deeded bearing as referenced in Book 1902, Page 294, New Hanover
County Registry, N. 26° 56' 26" E. 25.98 feet to the true Point of Beginning;
thence along and with a property division line and the centerline of Deer Hill
Drive, N. 47° 15' 00" W. 638.06 feet to a point; thence N. 36° 24' 14" W. 186.00
feet to an existing iron pipe; thence with the common property line of Phase Two,
a 7.42 acre tract, S. 47° 15' 00" E. 526.31 feet to an existing iron pipe; thence N.
420 44' 12" E. 38.99' to an existing iron pipe; thence S. 47' 53' 32" E. 48.57 feet
to an existing iron pipe; thence N. 28' 08' 05" E. 92.71 feet to an existing iron
pipe; thence N. 090 51' 2 1 " E. 41.31 feet to an existing iron pipe; thence N. 20'
13' 16" E. 187.27 feet to an existing iron pipe; thence N. 13' 08' 37" E. 85.34 feet
to an existing iron pipe; thence with a swale ditch, N. 47'30' 40" E. 110.36 feet to
an existing iron pipe; thence N. 00' 19' 16" E. 240.00 feet to an existing iron pipe;
thence N. 68° 40' 53" W. 68.99 feet to an existing iron pipe; thence N. 83010' 24"

E. 77.35 feet to an existing iron pipe; thence S 71' 27' 22" E. 70.82 feet to an
existing iron pipe; thence S. 3V 06' 35" E. 88.52 feet to an existing iron pipe;
thence S. 37' 20' 23" E. 35.09 feet to an existing iron pipe; thence S 190 33' 3 1 "
E. 161.44 feet' to an existing iron pine; thence S. 03' 09' 19" W, 120.95 feet to an
existing iron pipe located in the 60-foot right of way of Myrtle Grove Road;
thence with said right of way, S. 26' 56' 26" W. 619.00 feet to the point of
beginning, containing 4.00 acres.
TO HAVE AND TO HOLD the aforesaid lot or parcel of land and all privileges and
appurtenances thereto belonging to the Grantee in fee simple.
And the Grantor covenants with the Grantee, that Grantor is seized of the premises in
fee simple, has the right to convey the same in fee simple, that title is marketable and free and
clear of all encumbrances, and that Grantor will warrant and defend the title against the lawful
claims of all persons whomsoever except for the exceptions hereinafter stated:
1. Ad valorem taxes for 2008 and subsequent years;
2. Rights of way and easements of record, if any;
3. Zoning and/or subdivision ordinances and regulations, if any; and
4. Restrictive covenants of record, if any.
IN WITNESS WHEREOF, the Grantor has hereunto set his hand and seal, or if
corporate, has caused this instrument to be signed in the manner prescribed by law, as of the day
and year first above written.
N & K DEVELOPMENT, INC.
BY: �j �iv
President
NEW HANOVER COUNTY, NORTH CAROLINA
I certify that the following person(s) personally appeared before me this day, each
acknowledging to me that he or she voluntarily signed the foregoing document for the purpose
stated therein and in the capacity indicated: Wilson Ki, President of N & K Development, Inc..
0\\1II fII/////,
Dag': ��6e�rt�'1-�, 2007
Q. NOTARY
11J;�, QAL SE
GOB \>>�
111111111\\
My commission expires:
Notary Public
Notary's Printed or Typed Name

r
:��ZPOP
sHtq
REBECCA P: SMITH
REGISTER OF DEEDS, NEW HANOVER
216 NORTH SECOND STREET
Filed For Reglatrat1w;
Book:
Document No.:
NC REAL ESTATE EXCISE TAX:
Recorder:
WILMINGTON, NC 28401
12114)2007 03:18:16 PM
RE 5260 Page: 1619-1622
2007059073
DEED 41363 $20.00
$2,000.00
PHELPS, MICAH
State of North Carolina, County of Now Hanover
YELLOW PROBATE SHEET IS A VITAL PART OF YOUR RECORDED DOCUMENT,
PLEASE RETAIN WITH ORIGINAL DOCUMENT AND SUBMIT FOR RE-RECORDING.
*2007059073*
2007059073

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+ 10/n4/2016 Deer Crossing Phase III
PGT/MLV 12042
Simple Method -Pre/Post 1-yr,24hr storm
Storage Volume Calculations
Storage Volume - SA Waters - Minimum Volume Reauired
Volume Required = 43,495 e
Volume Provided = 60,595 fe
Storane Volume - SA Waters - Pre -Development Runoff Volume_
Volume of Runoff = V (3630) (Design Rainfall Depth) (Rv) (Drainage Area)
where
Rv= 0.05+0.009(IA)
Rv = Runoff Coefficient = storm runoff (inches) / storm rainfall (inches)
IA = Impervious Fraction = Impervious portion of the drainage area (acres) / Drainage area (acres)
Pre -Development Impervious Area = 0 fly
Pre -Development Drainage Area = 323,215 fly
IA= 0.00 %
Rv = 0.050
Drainage Area = 7.42 acres
Volume = 5.118 ft'
Storage Volume - SA Waters - Post -Development Runoff Volume
Volume of Runoff = V = (3630) (Design Rainfall Depth) (Rv) (Drainage Area)
where
Rv= 0.05+0.009(IA)
Rv = Runoff Coefficient = storm runoff (inches) / storm rainfall (inches)
IA = Impervious Fraction = Impervious portion of the drainage area (acres) / Drainage area (acres)
lost -Development Impervious Area = 152,615 ft2
Post -Development Drainage Area = 323,215 fe
IA= 47.2 %
Rv = 0.47
Design Rainfall Depth = 3.80 in.
Drainage Area = 7.42 acres
Volume = 48,613 fe
G:\IOBS\2012\12042-Deer Crossing Phase III\Calcs\12042-Storage Volume Calcs 1 year DA 1.xlsx

10/03/2016 Deer Crossing Phase III
PGT/MLV Infiltration Basin Calculations 12042
Infiltration Pond Size:
Elevation
ft.
Surface Area
s . ft.
Incr. Vol
Cuml. Vol.
Bottom 16.50
8,845
0
e
17.00
9,793
4,660
4,660
18.00
11,798
10,796
15,455
19.00
13;908
12,853
28,308
20.00
16,122
15,015
43,323
21.00
18,422
17,272
30,595
22.00
20,789
19,606
8Q,201
of Bank 22.50
22,004
10,68
9
90To
899
'SHGWT 13.50 Infiltration Rate: 7.4 in/hr
Required Vol' = 43,495 cu. ft.
'See Simple Method - 1-yr,24 hr storm Storage Volume Calculations
Provided Vol. = 90,899 cu. ft.
Drawdown Calculation:
T= V / 2xKxm where: T = dewatering time (days)
V = volume of water requiring infiltration (cu.ft.)
K = hydraulic conductivity of soil (in/hr)
T= 90,899 / 2 x 7.4 x 8,845 A = effective infiltrating area (sq.ft.)
T= 0.69 days
12042 Infiltration Pond Volume Calc_Pond 1.xls 1 of 1

10/03/2016 Deer Crossing Phase III 12042
PGT/MLV Infiltration Basin Calculations
Infiltration Pond Size:
Elevation
ft.
Surface Area
(sq. ft.
Incr. Vol
Cuml. Vol.
Bottom 16.50
8,845
0
0
17.00
9,793
4,660
4,660
18.00
11,798
10,796
15,455
19.00
13,908
12,853
28,308
20.00
16,122
15,015
43,323
21.00
18,422
17,272
60,595
22.00
20,789
19,606
80,201
To of Bank 22.50
22,004
10,698
90,899
*SHGWT 13.50 *Infiltration Rate: 3.7 in/hr
* One-half infiltration rate to waive offline bypass and vegetated filter strip
Required Vol.* = 43,495 cu. ft.
*See Simple Method-1-yr,24 hr storm Storage Volume Calculations
Provided Vol. = 90,899 cu. ft.
Drawdown Calculation:
T= V / 2xKxA where: T = dewatering time (days)
V = volume of water requiring infiltration (cu.ft.)
K = hydraulic conductivity of soil (in/hr)
T= 90,899 / 2 x 3.7 x 8,845 A = effective infiltrating area (sq.ft.)
T= 1.39 days
12042 Infiltration Pond Volume Cale Pond 1—waive bypass and veg fitter strip.xls 1 of 1

10/3/2016 Deer Crossing Phase III 12042
PGT Stormwater Infiltration Basin Routing
1-year 24hr Storm
WATERSHED DATA
BEFORE DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFF COEF. 'C'
0.2
TIME OF CONCENTR
5.00 MIN
INTENSITY (1 YR)
3.90 IN/HR
Oa = 5.79 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 3.8 INCHES 1yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) = (P-0.2S)A2/(P+0.8S)
D = 1.08 IN - 1yr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
TP = [(43.5)(D)(Area)] / Qp
Tp = 22.32 MINUTES
Storage Volume Req'd = (Qp-Qa)" Tp'1.39'60
18,312 cu. ft.
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al 16.50 feet
AFTER DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFFCOEF.'C'
0.54
TIME OF CONCENTR
5.00 MIN
INTENSITY 1 YR
3.90 IN/HR
Qp = 15.63 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
S
Z
CONTOUR
[NCR
ACCUM
CONTOUR
AREA
VOL
VOL
STAGE
In S In Z
Z est
(sq ft)
(ou ft)
(cu ft)
(ft)
(ft)
16.50
8845
0
0
0
0 0
0
17.00
9793
10,796
10,796
0.5
9.2869-0.69314718
0.57
18.00
11798
12,853
23,649
1.5
10.0711 0.405465108
1.31
19.00
13908
15,015
38,664
2.5
10.5627 0.916290732
2.22
20.00
16122
17,272
55,936
3.5
10.9320 1.252762968
3.29
21.00
18422
19,606
75,541
4.5
11.2324 1.504077397
4.54
22.00
20789
21,397
96,938
5.5
11.4818 1.7047
5.93
22.50
22004
11,002
107,940
6.0
11.5893 1.7918
6.65
Regression Output:
=> Ks = 18345
b = 0.94
X Coefficient 9.82
G:U0BS12012112042-Deer Crossing Phase IIIXCaics112042 Infiltration Routing 1y24hr Pond t.xls

10/3/2016 Deer Crossing Phase III
PGT Stormwater Infiltration Basin Routing 12042
1-year 24hr Storm
CHAINSAW METHOD FOR
RISER BARREL ROUTING
STORM DATA
Qa =
5.79 cfs
Qp =
15.63 cfs
' lnfNtration rat 7..4 ln/hr
Tp =
22.3 min
(Per Soils Report
dT =
4 min
BASIN DATA
Basin Drawdown Time = 13.2 hours
Ks =
18345
b
0.94
Zo=
16.50 It
Normal water elev =
16.50 It
= 0.00 cfs
Peak OutflowPeak
Weir Length =
16 ft
Stage =
17.65 it
Cw =
3.0
Maximum Storage =
20,863 cu ft
Zcr=
21.50 ft
Control Holes:
State Orifice: Dia =
0.00 in
Dd
24 in
Inv =
0.00 ft
Cd
0.6
Weir: L =
36 in
Zi
16.50 it
Inv =
21.0 It
Emergency Spillway L =
240 in
Inv =
21.60 it
Time
Inflow
Storage
Stage
Outflow
W Riser
Emergency
Barrel Spillway
Orifice
Weir
IFStore
(min)
(cfs)
(cu ft)
(it)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs
Infiltrate
0
4
0.0
1.2
0
16.50
0
0
0
0.00
0
0.00
0.0
0.0
8
4.5
0
290
16.50
16.50
0
0.00
0.00
0.00
0
0.00
0
0.00
0.0
402.6
12
8.7
1358
16.51
0.00
0.00
0.0
0.0
0.00
0.00
0.00
0.00
0.0
805.2
18
12.7
3455
16.59
0.00
0.00
0.1
0.00
0.00
0.00
0.00
0.00
150.5
1207.8
20
15.2
6512
16.72
0.00
0.00
0.6
0.00
0.00
0.00
1844.8
4498.9
1610.4
24
28
15.4
13.3
10164
13861
16.90
0.00
0.00
1.3
0.00
0.00
0.00
7747.9
2013.0
2415.6
32
10.5
17047
17.08
17.24
0.00
0.00
0.00
0.00
2.4
0.00
0.00
0.00
11043.2
2818.2
36
8.3
19570
17.36
0.00
0.00
3.4
4.3
0.00
0.00
0.00
13826.1
3220.8
40
6.6
21569
17.45
0.00
0.00
5.0
0.00
0.00
0.00
0.00
0.00
15946.8
3623.4
44
5.2
23152
17.52
0.00
0.00
5.5
0.00
0.00
0.00
0.00
17543.0
18723.8
4026.0
48
52
4.1
3.3
24407
25400
17.57
0.00
0.00
5.9
0.00
0.00
0.00
19575.4
4428.6
4831.2
56
2.6
26187
17.61
17.63
0.00
0.00
6.2
0.00
0.00
0.00
20166.4
5233.8
6o
2.1
26811
17.64
0.00
0.00
0.00
0.00
6.4
0.00
0.00
0.00
20550.8
5636.4
64
1.6
27304
17.65
0.00
0.00
6.5
6.6
0.00
0.00
0.00
20771.6
6039.0
68
1.3
27696
17.65
0.00
0.00
6.6
0.00
0.00
0.00
20862.8
6441.6
72
1.0
28006
17.64
0.00
0.00
6.5
0.00
0.00
0.00
20851.4
6844.2
76
0.8
28251
17.63
0.00
0.00
6.5
0.00
0.00
0.00
20758.7
7246.B
80
0.6
28445
17.62
0.00
0.00
6.3
0.00
0.00
0.00
0.00
20601.6
7649.4
84
0.5
28599
17.61
0.00
0.00
6.2
0.00
0.00
0.00
0.00
20393.4
8052.0
88
0.4
28721
17.59
0.00
0.00
6.1
0.00
0.00
0.00
0.00
20144.8
8454.6
92
96
0.3
28818
17.57
0.00
0.00
5.9
0.00
0.00
0.00
19864.2
19558.3
8857.2
100
0.3
0.2
28895
28955
17.55
17.53
0.00
0.00
5.8
0.00
0.00
0.00
19232.2
9259.8
9662.4
104
0.2
29003
17.51
0.00
0.00
0.00
0.00
5.6
5.4
0.00
0.00
0.00
18890.3
10065.0
108
0.1
29041
17.49
0.00
0.00
5.3
0.00
0.00
0.00
18535.7
10467.6
112
0.1
29072
17.47
0.00
0.00
5.1
0.00
0.00
0.00
0.00
0.00
18171.2
10870.2
116
0.1
29095
17.45
0.00
0.00
4.9
0.00
0.00
0.00
0.00
17798.7
11272.8
120
124
0.1
29114
17.42
n nn
0.00
4.8
0.00
0.00
0.00
17420.0
17036.3
11675.4
128
0.0
0.0
29129
29141
17.40
0.00
0.00
4.6
0.00
0.00
0.00
16648.7
12078.0
12480.6
132
0.0
29151
17.38
17.36
0.00
0.00
0.00
0.00
4.4
0.00
0.00
0.00
16258.0
12883.2
136
0.0
29158
17.33
0.00
0.00
4.2
4.1
0.00
0.00
0.00
15864.8
13285.8
140
0.0
29164
17.31
0.00
0.00
3.9
0.00
0.00
0.00
15469.6
13688.4
144
0.0
29169
17.29
0.00
0.00
3.7
0.00
0.00
0.00
15072.9
14091.0
148
0.0
29172
17.26
0.00
0.00
3.6
0.00
0.00
0.00
14675.0
14493.6
152
0.0
29175
17.24
0.00
0.00
3.4
0.00
0.00
0.00
14276.1
14896.2
156
0.0
29178
17.22
0.00
0.00
3.3
0.00
0.00
0.00
13876.4
16298.8
160
0.0
29179
17.20
0.00
0.00
3.1
0.00
0.00
0.00
13476.1
15701.4
164
0.0
29181
17.17
0.00
0.00
3.0
0.00
0.00
0.00
13075.4
16104.0
168
0.0
29182
17.15
0.00
0.00
2.8
0.00
0.00
0.00
12674.2
16506.6
172
0.0
29183
17.13
0.00
0.00
2.7
0.00
0.00
0.00
12272.8
16909.2
176
0.0
29184
17.11
0.00
0.00
2.5
0.00
0.00
0.00
11871.1
173118
180
0.0
29184
17.08
0.00
0.00
2.4
0.00
0.00
0.00
11469.2
17714.4
184
0.0
29185
17.06
0.00
0.00
2.2
0.00
0.00
0.00
11067.2
18117.1
G:VOBS12012112042-DeerCrossing Phase 1111Ca1cs1120421nfiftragon Roufing 1yr24hr_Pond 1.xls
0.00
0.00
0.00
10665.0
18519.7

10/3/2016
Deer Crossing Phase III
PGT
Stormwater Infiltration Basin Routing
12042
1-year 24hr Storm
192
196
0.0
0.0
29185
17.01
0.00
0.00
2.0
0.00
0.00
0.00
9860.5
19324.9
200
0.0
29186
29186
16.99
16.97
0.00
0.00
1.9
0.00
0.00
0.00
9458.1
19727.5
204
0.0
29186
16.95
0.00
0.00
0.00
0.00
1.7
1.6
0.00
0.00
0.00
9055.7
20130.1
208
0.0
29186
16.93
0.00
0.00
1.5
0.00
0.00
0.00
0.00
0.00
0.00
8653.2
20532.7
919
n n
29186
16.90
0.00
0.00
1.4
0.00
0.00
0.00
8250.7
7848.2
20935.3
21337.9
216
220
0.0
29186
16.88
0.00
0.00
1.3
0.00
0.00
11.00
7445.7
21740.5
224
0.0
291 B6
16.86
0.00
0.00
1.2
0.00
0.00
0.00
7043.2
22143.1
22B
0.0
0.0
29186
16.84
0.00
0.00
1.0
0.00
0.00
0.00
6640.6
22545.7
232
0.0
29186
16.82
0.00
0.00
0.9
0.00
0.00
0.00
6238.0
22948.3
236
0.0
29186
16.79
0.00
0.00
0.9
0.00
0.00
0.00
5835.5
23350.9
240
0.0
29186
16.77
0.00
0.00
0.8
0.00
0.00
0.00
5432.9
23753.5
244
0.0
29186
16.75
0.00
0.00
0.7
0.00
0.00
0.00
5030.3
24156.1
248
0.0
29186
29186
16.73
16.71
0.00
0.00
0.6
0.00
0.00
0.00
4627.7
24558.7
252
0.0
29186
16.69
0.00
0.00
0.00
0.00
0.5
0.4
0.00
0.00
0.00
4225.1
24961.3
256
0.0
29186
16.67
0.00
0.00
0.4
0.00
0.00
0.00
0.00
0.00
0.00
3822.5
3419.9
25363.9
260
0.0
29186
16.65
0.00
0.00
0.3
0.00
0.00
0.00
3017.3
25766.5
26169.1
264
0.0
291 B6
16.62
0.00
0.00
0.2
0.00
0.00
0.00
2614.7
26571.7
268
272
0.0
5191RR
16.60
0.00
0.00
0.2
0.00
0.00
0.00
2212.1
26974.3
276
0.0
0.0
29186
16.58
0.00
0.00
0.1
0.00
0.00
0.00
1809.5
27376.9
280
0.0
29186
16.56
0.00
0.00
0.1
0.00
0.00
0.00
1406.9
27779.5
284
0.0
29186
16.54
0.00
0.00
0.1
0.00
0.00
0.00
1004.3
28182.1
288
0.0
29186
29186
16.53
16.51
0.00
0.00
0.0
0.00
0.00
0.00
601.7
28584.7
292
0.0
29186
16.50
0.00
0.00
0.00
0.00
0.0
0.0
0.00
0.00
0.00
199.1
28987.3
296
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.00
0.00
0.00
0.0
0.0
29389.9
300
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
29792.5
30195.1
304
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
30597.7
308
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
31000.3
312
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
31402.9
316
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
31805.5
320
324
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
32208.1
328
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
32610.7
332
0.0
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
33013.3
336
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
33415.9
340
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
33818.5
344
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
34221.1
348
0.0
29186
29186
16.50
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
34623.7
352
0.0
29186
16.50
0.00
0.00
0.00
0.00
0.0
0.0
0.00
0.00
0.00
0.0
35026.3
356
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.00
0.00
0.00
0.0
35428.9
360
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
0.0
35831.5
36234.1
364
368
0.0
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
36636.7
372
0.0
291 B6
29186
16.50
16.50
0.00
0.00
0.00
0.00
0.0
0.00
0.00
0.00
0.0
37039.3
376
0.0
29186
16.50
0.00
0.00
0.0
0.0
0.00
0.00
0.00
0.00
0.00
0.0
37441.9
380
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
U.00
0.00
0.0
0.0
37844.5
38247.1
384
388
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
38649.7
392
0.0
0.0
29186
29186
16.50
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
39052.3
396
0.0
29186
16.50
0.00
0.00
0.00
0.00
0.0
0.0
0.00
0.00
0.00
0.0
39454.9
400
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.00
0.00
0.00
0.0
0.0
39857.5
404
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
40260.1
40662.7
408
0.0
29186
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
41055.3
G:UOBS12012112042-Deer Crossing Phase IIRCaICs112042 Infiltration Routing lyr24hr Pond 1.xls

10/3/2016 Deer Crossing Phase III
PGT 12042
Stormwater Infiltration Basin Routing
2-year 24hr Storm
WATERSHED DATA
BEFORE DEVELOPMENT
WATERSHED AREA 7.42 ACRES
RUNOFF COEF. 'C' 0.2
TIME OF CONCENTR 5.00 MIN
INTENSITY 25 YR 5.68 IN/HR
Qa = 8.73 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 4.5 INCHES 2yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) = (P-0.2S)A2/(P+0.8S)
D = 1.53 IN - 2yr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
Tp = ((43.5)(D)(Area)] / Op
Tp = 20.99 MINUTES
Storage Volume Req'd = (Qp-Qa)*Tp*1.39*60
25,973 cu. ft.
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al 16.50 feet
AFTER DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFF COEF. 'C'
0.54
TIME OF CONCENTR
5.00 MIN
INTENSITY 25 YR
5.88 IN/HR
Qp = 23.56 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
S
Z
CONTOUR
INCR
ACCUM
CONTOUR
AREA
VOL
VOL
STAGE
In S
In Z
Z est
(sq ft)
(cu ft)
(cu ft)
(ft)
(ft)
16.50
8845
0
0
0
0
0
0
17.00
9793
10,796
10,796
0.5
9.2869
-0.69314718
0.57
18.00
11798
12.853
23,649
1.5
10.0711
0.405465108
1.31
19.00
13908
15.015
38,664
2.5
10.5627
0.916290732
2.22
20.00
16122
17,272
55,936
3.5
10.9320
1.252762968
3.29
21.00
18422
19,606
75,541
4.5
11.2324
1.504077397
4.54
22.00
20789
21,397
96,938
5.5
11.4818
1.7047
5.93
22.50
22004
11,002
107,940
6.0
11.5893
1.7918
6.65
Regression Output
Ks = 18345
b = 0.94
X Coefficient 9.82
GAMM2012112042-Deer Crossing Phase III1CaICs112042 Infiltration Routing 2y24hr Pond 1.xls

10/3/2016 Deer Crossing Phase III 12042
PGT Stonnwater Infiltration Basin Routing
2-year 24hr Storm
CHAINSAW METHOD FOR
RISER BARREL ROUTING
STORM DATA
as
8.73 cfs
Op
23.56 cfs
` Infiltration rat 7.4 in/hr
Tp
21.0 min
(Per Soils Report
dT =
4 min
BASIN DATA
Basin Drawdown Time = 1 1-21 hours
Ks =
18345
b =
0.94
Zo =
16.50 ft
Normal water elev =
16.50 It
Peak Outflow= 0.00 cfs
Weir Length =
16 It
Peak Stage =
18.37 ft
Cw =
3.0
Maximum Storage =
32,893 cu It
Zcr =
21.50 It
Control Holes:
State Orifice:
Dia =
0.00 in
Dd =
18 in
Inv =
0.00 It
Cd =
0.6
Weir: L =
36 in
Zi =
16.50 It
Inv =
21.0 ft
Emergency Spillway L =
240 in
Inv =
21.60 ft
Emergency
Time
Inflow
Storage
Stage
Outflow
W Riser
Barrel
Spillway
Orifice
Weir
IFStore
Infiltrate
(min)
(cfs)
(cu ft)
(ft)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(cu ft)
(cf)
0
0.0
0
16.50
0
0
0
0.00
0
0.00
0.0
0,0
4
2.0
0
16.50
0
0.00
0
0.00
0
0.00
0.0
402.6
8
7.5
492
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
805.2
12
14.4
2287
16.55
0.00
0.00
0.0
0.00
0.00
0.00
1078.9
1207.8
16
20.4
5744
16.70
0.00
0.00
0.4
0.00
0.00
0.00
4133.9
1610.4
20
23.4
10645
16.95
0.00
0.00
1.2
0.00
0.00
0.00
8632.2
2013.0
24
22.4
16268
17.24
0.00
0.00
2.5
0.00
0.00
0.00
13852.7
2415.6
28
18.1
21642
17.53
0.00
0.00
4.2
0.00
0.00
0.00
18823.4
2818.2
32
14.1
25976
17.76
0.00
0.00
5.7
0.00
0.00
0.00
22754.9
3220.8
36
11.0
29359
17.94
0.00
0.00
6.9
0.00
0.00
0.00
25735.5
3623.4
40
8-6
32000
18.07
0.00
0.00
7.7
0.00
0.00
0.00
27973.8
4026.0
44
6.7
34061
18.17
0.00
0.00
8.1
0.00
0.00
0.00
29632.8
4428.6
48
5.2
35671
18.24
0.00
0.00
8.5
0.00
0.00
0.00
30839.5
4831.2
52
4.1
36927
18.29
0.00
0.00
8.7
0.00
0.00
0.00
31693.0
5233.8
56
3.2
37907
18.33
0.00
0.00
8.8
0.00
0.00
0.00
32271.0
5636.4
60
2.5
38873
18.35
0.00
0.00
8.9
0.00
0.00
0.00
32633.9
6039.0
64
1.9
39270
18.36
0.00
0.00
9.0
0.00
0.00
0.00
32828.6
6441.6
68
1.5
39737
18.37
0.00
0.00
9.0
0.00
0.00
0.00
32892.6
6844.2
72
1.2
40101
18.36
0.00
0.00
9.0
0.00
0.00
0.00
32854.1
7246.8
76
0.9
40385
18.36
0.00
0.00
8.9
0.00
0.00
0.00
32735.8
7649.4
80
0.7
40607
18.35
0.00
0.00
8.9
0.00
0.00
0.00
32555.0
8052.0
84
0.6
40780
18.33
0.00
0.00
8.8
0.00
0.00
0.00
32325.6
8454.6
88
0.4
40915
18.32
0.00
0.00
8.8
0.00
0.00
0.00
32058.2
8857.2
92
0.3
41021
18-30
0.00
0.00
8.7
0.00
0.00
0.00
31761.1
9259.8
96
0.3
41103
18.28
0.00
0.00
8.6
0.00
0.00
0.00
31440.9
9662.4
100
0.2
41168
18.26
0.00
0.00
8.5
0.00
0.00
0.00
31102.6
10065.0
104
0.2
41218
18.24
0.00
0.00
8.4
0.00
0.00
0.00
30750.2
10467.6
108
0.1
41257
18.22
0.00
0.00
8.3
0.00
0.00
0.00
30386.8
10870.2
112
0.1
41288
18.19
0.00
0.00
8.2
0.00
0.00
0.00
30014.8
11272.8
116
0.1
41311
18.17
0.00
0.00
8.1
0.00
0.00
0.00
29636.0
11675.4
120
0.1
41330
18.15
0.00
n nn
8.0
0.00
0.00
0.00
29252.1
12078.0
124
0.0
41346
18.12
0.00
0.00
7.9
0.00
0.00
0.00
28864.0
12480.6
128
0.0
41356
18.10
0.00
0.00
7.8
0.00
0.00
0.00
28472.8
12883.2
132
136
0.0
41365
18.08
0.00
0.00
7.7
0.00
0.00
0.00
28079.0
13285.8
140
0.0
41372
18.05
0.00
0.00
7.6
0.00
0.00
0.00
27683.4
13688.4
0.0
41377
18.03
0.00
0.00
7.5
0.00
0.00
0.00
27286.2
14091.0
144
148
0.0
41381
18.00
0.00
0.00
7.4
0.00
0.00
0.00
26887.8
14493.6
152
0.0
41385
17.98
0.00
0.00
7.2
0.00
0.00
0.00
26488.5
14896.2
156
0.0
41387
17.96
0.00
0.00
7.1
0.00
0.00
0.00
26088.4
15298.8
0.0
41389
17.93
0.00
0.00
6.9
0.00
0.00
0.00
25687.8
15701.4
180
0.0
41391
17.91
0.00
0.00
6.7
0.00
0.00
0.00
25286.8
16104.0
164
168
0.0
41392
17.89
0.00
0.00
6.6
0.00
0.00
0.00
24885.4
16506.6
172
0.0
41393
17.86
0.00
0.00
6.4
0.00
0.00
0.00
24483.8
16909.2
176
0.0
41394
17.84
0.00
0.00
6.2
0.00
0.00
0.00
24081.9
17311.8
180
0.0
41394
17.81
0.00
0.00
6.1
n nn
0.00
0.00
23679.9
17714.4
184
0.0
41395
17.79
0.00
0.00
5.9
0.00
0.00
0.00
23277.7
18117.1
0.0 41395 17.77 0.00 0.00
GMOW2012112042-13eer Crossing Phase III1CaIcs112042 Infiltration Routing 2yr24hr Pond t.xls
5.7
0.00
0.00
0.00
22875.5
18519.7

10/3/2016
Deer Crossing Phase III
PGT
Stormwater Infiltration Basin Routing
12042
2-year 24hr
Storm
192
0.0
41396
17.72
0.00
0.00
5.4
0.01)
0.00
0.00
22070.8
19324.9
196
0.0
41396
17.69
0.00
0.00
5.2
0.00
0.00
0.00
21668.4
19727.5
200
0.0
41396
17.67
0.00
0.00
5.1
0.00
0.00
0.00
21265.9
20130.1
204
0.0
41396
17.65
0.00
0.00
4.9
0.00
0.00
0.00
20863.4
20532.7
208
0.0
41396
17.62
0.00
0.00
4.8
0.00
0.00
0.00
20460.9
20935.3
212
0.0
41396
17.60
0.00
0.00
4.6
0.00
0.00
0.00
20D68.3
21337.9
216
0.0
41396
17.58
0.00
0.00
4.5
0.00
0.00
0.00
19655.8
21740.5
220
0.0
41396
17.55
0.00
0.00
4.3
0.00
0.00
0.00
19253.2
22143.1
224
0.0
41396
17.53
0.00
0.00
4.2
0.00
0.00
0.00
18850.6
22545.7
228
0.0
41396
17.51
0.00
0.00
4.1
0.00
0.00
0.00
18448.1
22948.3
232
0.0
41396
17.48
0.00
0.00
3.9
0.00
0.00
0.00
18045.5
23350.9
236
0.0
41395
17.46
0.00
0.00
3.8
0.00
0.00
0.00
17642.9
23753.5
240
0.0
41395
17.44
0.00
0.00
3.6
0.00
0.00
0.00
17240.3
24156.1
244
0.0
41396
17.41
0.00
0.00
3.5
0.00
0.00
0.00
16837.7
24558.7
248
0.0
41396
17.39
D.00
0.00
3.4
0.00
0.00
0.00
16435.1
24961.3
252
0.0
41396
17.37
0.00
0.00
3.2
0.00
0.00
0.00
16032.5
25363.9
256
0.0
41396
17.34
0.00
0.00
3.1
0.00
0.00
0.00
15629.9
25766.5
260
0.0
41396
17.32
0.00
O.OD
3.0
0.00
0.00
0.00
15227.3
26169.1
284
0.0
41396
17.30
0.00
0.00
2.9
0.00
0.00
0.00
14824.7
26571.7
258
0.0
41396
17.27
n nn
0.00
2.7
0.00
0.00
0.00
14422.1
26974.3
272
0.0
41396
17.25
0.00
0.00
2.6
0.00
0.00
0.00
14019.5
27376.9
276
0.0
41396
17.23
0.00
0.00
2.5
0.00
0.00
0.00
13616.9
27779.5
280
0.0
41396
17.20
0.00
0.00
2.4
0.00
0.00
0.00
13214.3
28182.1
284
0.0
41396
17.18
0.00
0.00
2.3
0.00
0.00
0.00
12811.7
28504.7
288
0.0
41396
17.16
0.00
0.00
2.1
0.00
0.00
0.00
12409.1
28987.3
292
0.0
41396
17.14
0.00
0.00
2.0
0.00
0.00
0.00
12006.5
29389.9
296
0.0
41396
17.11
0.00
0.00
1.9
0.00
0.00
0.00
11603.9
29792.5
300
0.0
41396
17.09
D.00
0.00
1.8
0.00
0.00
0.00
11201.3
30195.1
304
0.0
41396
17.07
0.00
0.00
1.7
0.00
0.00
0.00
10798.7
30597.7
308
0.0
41396
17.04
0.00
0.00
1.6
0.00
0.00
0.00
10396.1
31000.3
312
0.0
41396
17.02
0.00
0.00
1.5
0.00
0.00
0.00
9993.5
31402.9
316
D.0
41396
17.00
0.00
0.00
1.4
0.00
0.00
0.00
959D.9
31805.5
320
0.0
41396
16.98
0.00
0.00
1.3
0.00
0.00
0.00
9188.3
32208.1
324
0.0
41396
16.96
0.00
0.00
1 a
0.00
0.00
0.00
8785.7
32610.7
328
0.0
41396
16.93
0.00
0.00
1.1
0.00
0.00
0.00
8383.1
33013.3
332
0.0
41396
16.91
0.00
0.00
1.1
0.00
0.00
0.00
7980.5
33415.9
336
0.0
41396
16.89
0.00
0.00
1.0
0.00
0.00
0.00
7577.9
33818.5
340
0.0
41396
16.87
0.00
0.00
0.9
0.00
0.00
0.00
7175.3
34221.1
344
0.0
41396
16.84
0.00
0.00
0.8
0.00
0.00
0.00
6772.7
34623.7
348
0.0
41396
16.82
0.00
0.00
0.7
0.00
0.00
0.00
6370.1
35026.3
352
0.0
41396
18.80
0.00
0.00
0.7
0.00
0.00
0.00
5967.5
35428.9
356
0.0
41396
16.78
0.00
0.00
0.6
0.00
0.00
0.00
5564.9
35831.5
360
0.0
41396
16.78
0.00
0.00
0.5
0.00
0.00
0.00
5162.3
36234.1
364
0.0
41396
16.74
0.00
0.00
0.5
0.00
0.00
0.00
4759.7
36636.7
368
0.0
41396
16.71
0.00
0.00
0.4
D.00
0.00
0.00
4357.1
37039.3
372
0.0
41396
16.69
0.00
0.00
0.3
0.00
0.00
0.00
3954.5
37441.9
376
0.0
41396
16.67
0.00
0.00
0.3
0.00
0.00
0.00
3551.9
37844.5
380
0.0
41396
16.65
0.00
0.00
0.2
0.00
0.00
0.00
3149.3
38247.1
384
0.0
41396
16.63
0.00
0.00
0.2
0.00
0.00
0.00
2746.7
38649.7
388
0.0
41396
16.61
0.00
0.00
0.1
0.00
0.00
0.00
2344.1
39052.3
392
0.0
41396
16.59
0.00
0.00
0.1
0.00
0.00
0.00
1941.5
39454.9
396
0.0
41396
16.57
0.00
0.00
0.1
0.00
0.00
0.00
1538.9
39857.5
400
0.0
41396
16.55
0.00
0.00
0.0
0.00
0.00
0.00
1136.3
40260.1
404
0.0
41396
16.63
0.00
0.00
0.0
0.00
0.00
0.00
733.7
40662.7
408
0.0
41396
16.51
0.00
0.00
0.0
0.00
0.00
0.00
331.1
41065.3
G:IJOW2012112042-Deer Crossing Phase 111%CaIcs112042 Infiltration Routing 2yr24hr Pond 1.x1s

10/3/2016 Deer Crossing Phase III 12042
PGT/MLV Stormwater Infiltration Basin Routing
10-year 24hr Storm
Half Infiltration Rate
WATERSHED DATA
BEFORE DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFFCOEF.'C'
0.2
TIME OF CONCENTR
5.00 MIN
INTENSITY (10 YR)
7.23 IN/HR
Qa = 10.73 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 7 INCHES 10yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) _ (P-0.2S)"2/(P+O.BS)
D = 3.41 IN -10yr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
Tp = [(43.5)(D)(Area)] / Qp
Tp = 38.00 MINUTES
Storage Volume Req'd = (Qp-Qa)'Tp'1.39"60
57,799 cu. ft.
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al 16.50 feet
AFTER DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFF COEF. 'C'
0.54
TIME OF CONCENTR
5.00 MIN
INTENSITY 10 YR
7.23 IN/HR
Qp = 28.97 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
S
Z
CONTOUR
]NCR
ACCUM
CONTOUR
AREA
VOL
VOL
STAGE
In S In Z
Z eat
(sq ft)
(cu ft)
(cu ft)
(ft)
(ft)
16.50
8845
0
0
0
0 0
0
17.00
9793
10 79R
10.796
0.5
9.2869-0.69314718
0.57
18.00
11798
12,853
23,649
1.5
10.0711 0.405465108
1.31
19.00
13908
15,015
38,664
2.5
10.5627 0.916290732
2.22
20.00
16122
17,272
55,936
3.5
10.9320 1.252762968
3.29
21.00
18422
19,606
75,541
4.5
11.2324 1.504077397
4.54
22.00
20789
21,395
96,936
5.5
11.4818 1.7047
5.93
22.50
22001
11,001
107,937
6.0
11.5893 1.7918
6.65
Regression Output:
Ks = 18345
b = 0.94
X Coefficient 9.82
G:U0BSX2012\12042-Deer Crossing Phase 1111CaICsU2042 InfiNration Routing 10y24hr Pond 1 half infiltration.xls

101312016 Deer Crossing Phase III 12042
PGT/MLV Stormwater Infiltration Basin Routing
10-year24hr Storm
Half Infiltration Rate
CHAINSAW METHOD FOR
RISER BARREL ROUTING
STORM DATA
Qa =
10.73 cfs
Qp =
28.97 cfs
` infiltration rat 3.7 in/hr
'Half of Infiltration Rate shown to prove that system
Tp =
38.0 min
(Per Soils Report
can infiltrate the volume of 2.5 times the regulated
dT =
4 min
storm within
5 days
to waive the NCDENR
Offline
BASIN DATA
Basin Drawdown Time = 26.4 hours
Bypass & Vegetated Filter Strip requirements (Section
Ks =
18
16.3.9. BMP Manual)
b =
0.94
94
Zo =
16.50 ft
Normal water elev =
16.50 ft
Peak Outflow = 2.78 cfs
Weir Length =
16 It
Peak Stage =
21.24 ft
Cw =
3.0
Maximum Storage =
78.568 cu It
Zcr =
21.50 It
Control Holes:
State Orifice: Dia =
0.00 in
Dd =
18 in
Inv =
0.00 ft
Cd =
0.6
Weir. L =
36 in
Zi =
16.50 ft
Inv =
21.0 ft
Emergency Spillway L =
240 in
Inv =
21.60 ft
Emergency
Time
Inflow
Storage
Stage
Outflow
W Riser
Barrel
Spillway
Orifice
Weir
IFStore
Infiltrate
(min)
(cfs)
(cu ft)
(ft)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(cu ft)
(cf)
0
0.0
0
16.50
0
0
0
0.00
0
0.00
0.0
0.0
4
0.8
0
16.50
0
0.00
0
0.00
0
0.00
0.0
201.3
8
3.1
188
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
402.6
12
6.6
922
16.51
0.00
0.00
0.0
0.00
0.00
0.00
317.7
603.9
16
10.9
2497
16.58
0.00
0.00
0.1
0.00
0.00
0.00
1691.7
805.2
20
15.7
5120
16.70
0.00
0.00
0.4
0.00
0.00
0.00
4113.8
1006.5
24
20.3
8884
16.89
0.00
0.00
1.0
0.00
0.00
0.00
7676.6
1207.8
28
24.3
13758
17.15
0.00
0.00
2.1
0.00
0.00
0.00
12348.7
1409.1
32
27.2
19589
17.48
0.00
0.00
3.9
0.00
0.00
0.00
17978.9
1610.4
36
28.8
26123
17.85
0.00
0.00
6.3
0.00
0.00
0.00
24311.7
1811.7
40
28.8
33029
18.25
0.00
0.00
8.5
0.00
0.00
0.00
31015.8
2013.0
44
27.2
39934
18.66
0.00
0.00
10.1
0.00
0.00
0.00
37719.5
2214.3
48
24.3
46467
19.05
0.00
0.00
11.4
0.00
0.00
0.00
44051.1
2415.6
52
21.2
52306
19.40
0.00
0.00
12.5
0.00
0.00
0.00
49689.5
2616.9
56
18.5
57399
19.71
0.00
0.00
13.3
0.00
0.00
0.00
54581.0
2818.2
60
16.1
61841
19.98
0.00
0.00
14.0
0.00
0.00
0.00
58821.1
3019.5
64
14.1
65714
20.21
0.00
0.00
14.6
0.00
0.00
0.00
62493.2
3220.8
68
12.3
69092
20.41
0.00
0.00
15.1
0.00
0.00
0.00
65669.8
3422.1
72
10.7
72038
20.59
0.00
0.00
15.5
0.00
0.00
0.00
68414.3
3623.4
76
9.3
74607
20.74
0.00
0.00
15.9
0.00
0.00
0.00
70782.0
3824.7
80
8.1
76847
20.87
0.00
0.00
16.2
0.00
0.00
0.00
72821.2
4026.0
84
7.1
78801
20.98
0.00
0.00
16.4
0.00
0.00
0.00
74573.8
4227.3
88
6.2
80505
21.08
0.51
0.00
16.6
0.00
0.00
0.51
76076.5
4428.6
92
5.4
81869
21.15
1.42
0.00
16.8
0.00
0.00
1.42
77239.3
4629.9
96
4.7
82825
21.20
2.15
0.00
16.9
0.00
0.00
2.15
77994.2
4831.2
100
4.1
83439
21.23
2.60
0.00
16.9
0.00
0.00
2.60
78406.7
5032.5
104
3.6
83802
21.24
2.78
0.00
17.0
0.00
0.00
2.78
78568.2
5233.8
108
3.1
83995
21.24
2.77
0.00
17.0
0.00
0.00
2.77
78560.2
5435.1
112
2.7
84081
21.23
2.64
0.00
16.9
0.00
0.00
2.64
78444.4
5636.4
116
2.4
84102
21.22
2.44
0.00
16.9
0.00
0.00
2.44
78264.0
5837.7
120
2.1
84087
21.20
2.21
0.00
16.9
0.00
0.00
2.21
78047.6
6039.0
124
1.8
84054
21.19
1.97
0.00
16.9
0.00
0.00
1.97
77813.7
6240.3
128
1.6
84016
21.17
1.73
0.00
16.8
0.00
0.00
1.73
77574.1
6441.6
132
1.4
83979
21.16
1.50
0.00
16.8
0.00
0.00
1.50
77335.9
6642.9
136
1.2
83948
21.14
1.29
0.00
16.8
0.00
0.00
1.29
77103.4
6844.2
140
1.0
83924
21.13
1.10
0.00
16.7
0.00
0.00
1.10
76879.0
7045.5
144
0.9
83911
21.11
0.93
0.00
16.7
0.00
0.00
0.93
76663.8
7246.8
148
0.8
83907
21.10
0.77
0.00
16.7
0.00
0.00
0.77
76458.4
7448.1
152
0.7
83912
21.09
0.63
0.00
16.6
0.00
0.00
0.63
76262.6
7649.4
156
0.6
83927
21.08
0.51
0.00
16.6
0.00
0.00
0.51
76076.0
7850.7
160
0.5
83950
21.06
0.40
0.00
16.6
0.00
0.00
0.40
75898.0
8052.0
164
0.5
83981
21.05
0.30
0.00
16.6
0.00
0.00
0.30
75727.9
8253.3
168
0.4
84019
21.04
0.22
0.00
16.5
0.00
0.00
0.22
75564.6
8454.6
172
0.3
84063
21.03
0.15
0.00
16.5
0.00
0.00
0.15
75407.3
8655.9
176
0.3
84112
21.02
0.09
0.00
16.5
0.00
0.00
0.09
75254.9
8857.2
180
0.3
84165
21.01
0.04
0.00
16.5
0.00
0.00
0.04
75106.0
9058.5
184 0.2 84219 21.00 0.01 0.00 16.5
G:U0BS12012112042-DeerCrossing Phase lll\Calcs112042Infiltration Routing 10yr24hr Pond 1 haff infiltration.xls
0.00
0.00
0.01
74959.1
9259.8

10/3/2016
Deer Crossing Phase III
12042
PGT/MLV
Stormwatef Infiltration Basin Routing
10-year 24hr Storm
Half Infiltration Rate
192
0.2
84321
20.99
0.00
0.00
16.4
0.00
0.00
0.00
74659.0
9662.4
196
0.2
84364
20.97
0.00
0.00
16.4
0.00
0.00
0.00
74500.0
9863.7
200
0.1
84401
20.96
0.00
0.00
16.4
0.00
0.00
0.00
74335.6
10065.0
204
0.1
84433
20.95
0.00
0.00
16.3
0.00
0.00
0.00
74166.5
10266.3
208
0.1
84461
20.94
0.00
0.00
16.3
0.00
0.00
0.00
73993.3
10467.6
212
0.1
84485
20.93
0.00
0.00
16.3
0.00
0.00
0.00
73816.5
10668.9
216
0.1
84507
20.92
0.00
0.00
16.3
0.00
0.00
0.00
73636.5
10870.2
220
0.1
84525
20.91
0.00
0.00
16.2
0.00
0.00
0.00
73453.8
11071.5
224
0.1
84542
20.90
0.00
0.00
16.2
0.00
0.00
0.00
73268.8
11272.8
228
0.1
84556
20.88
0.00
0.00
16.2
0.00
0.00
0.00
73081.7
11474.1
232
0.0
84568
20.87
0.00
0.00
16.2
0.00
0.00
0.00
72892.7
11675.4
236
0.0
84579
20.86
0.00
0.00
16.1
0.00
0.00
0.00
72702.2
11876.7
240
0.0
84588
20.85
0.00
0.00
16.1
0.00
0.00
0.00
72610.3
12078.0
244
0.0
84596
20.83
0.00
0.00
16.1
0.00
0.00
0.00
72317.2
12279.3
248
0.0
84604
20.82
0.00
0.00
16.1
0.00
0.00
0.00
72123.0
12480.6
252
0.0
84610
20.81
0.00
0.00
16.0
0.00
0.00
0.00
71927.9
12681.9
256
0.0
84615
20.80
0.00
0.00
16.0
0.00
0.00
0.00
71732.1
12883.2
260
0.0
84620
20.78
0.00
0.00
16.0
0.00
0.00
0.00
71535.5
13084.5
264
0.0
84624
20.77
0.00
0.00
15.9
0.00
0.00
0.00
71338.3
13285.8
268
n n
84628
20.76
0.00
0.00
15.9
0.00
0.00
0.00
71140.6
13487.1
272
0.0
84631
20.75
0.00
0.00
15.9
0.00
0.00
0.00
70942.6
13688.4
276
0.0
84634
20.73
0.00
0.00
15.9
0.00
0.00
0.00
70743.9
13889.7
280
0.0
84636
20.72
0.00
0.00
15.8
0.00
0.00
0.00
70545.0
14091.0
284
0.0
8463B
20.71
0.00
0.00
15.8
0.00
0.00
0.00
70345.8
14292.3
288
0.0
84640
20.70
0.00
0.00
15.8
0.00
0.00
0.00
70146.3
14493.6
292
0.0
84642
20.68
0.00
0.00
15.7
0.00
0.00
0.00
69946.6
14694.9
296
0.0
84643
20.67
0.00
0.00
15.7
0.00
0.00
0.00
69746.7
14896.2
300
0.0
84644
20.66
0.00
0.00
15.7
0.00
0.00
0.00
69546.6
15097.5
304
0.0
84645
20.64
0.00
0.00
15.7
0.00
0.00
0.00
69346.3
15298.8
308
0.0
84646
20.63
0.00
0.00
15.6
0.00
0.00
0.00
69146.0
15500.1
312
0.0
84647
20.62
0.00
0.00
15.6
0.00
0.00
0.00
68945.5
15701.4
316
0.0
84648
20.61
0.00
0.00
15.6
0.00
0.00
0.00
68744.9
15902.7
320
0.0
84648
20.59
0.00
0.00
15.5
0.00
0.00
0.00
68544.2
16104.0
324
0.0
84649
2n 56
0.00
0.00
15.5
0.00
0.00
0.00
68343.4
16305.3
328
0.0
84649
20.57
0.00
0.00
15.5
0.00
0.00
0.00
68142.6
16506.6
332
0.0
84650
20.56
0.00
0.00
15.4
0.00
0.00
0.00
67941.7
16707.9
336
0.0
84650
20.54
0.00
0.00
15.4
0.00
0.00
0.00
67740.7
16909.2
340
0.0
84650
20.53
0.00
0.00
15.4
0.00
0.00
0.00
67539.7
17110.5
344
0.0
84651
20.52
0.00
0.00
15.4
0.00
0.00
0.00
67338.7
17311.8
348
0.0
84651
20.50
0.00
0.00
15.3
0.00
0.00
0.00
67137.6
17513.1
352
0.0
84651
20.49
0.00
0.00
15.3
0.00
0.00
0.00
66936.5
17714.4
356
0.0
84651
20.48
0.00
0.00
15.3
0.00
0.00
0.00
66735.4
17915.7
360
0.0
84651
20.47
0.00
0.00
15.2
0.00
0.00
0.00
66534.2
18117.1
364
0.0
84651
20.45
0.00
0.00
15.2
0.00
0.00
0.00
66333.1
18318.4
368
0.0
84652
20.44
0.00
0.00
15.2
0.00
0.00
0.00
66131.9
18519.7
372
0.0
84652
20.43
0.00
0.00
15.1
0.00
0.00
0.00
65930.7
18721.0
376
0.0
84652
20.41
0.00
0.00
15.1
0.00
0.00
0.00
65729.5
18922.3
380
0.0
84652
20.40
0.00
0.00
15.1
0.00
0.00
0.00
65528.3
19123.6
384
0.0
84652
20.39
0.00
0.00
15.0
0.00
0.00
0.00
65327.0
19324.9
388
0.0
84652
20.38
0.00
0.00
15.0
0.00
0.00
0.00
65125.8
19526.2
392
0.0
84652
20.36
0.00
0.00
15.0
0.00
0.00
0.00
64924.5
19727.5
396
0.0
84652
20.35
0.00
0.00
15.0
0.00
0.00
0.00
64723.3
19928.8
400
0.0
84652
20.34
0.00
0.00
14.9
0.00
0.00
0.00
64522.0
20130.1
404
0.0
84652
20.32
0.00
0.00
14.9
0.00
0.00
0.00
64320.8
20331.4
408
0.0
84652
20.31
0.00
0.00
14.9
0.00
0.00
0.00
64119.5
20532.7
G:UOB812012112042-Deer Crossing Phase lllkCalcs112042 Infiltration Routing 10y24hr Pond 1 half infiltradon.xls

10/3/2016 Deer Crossing Phase III 12042
PGT/MLV Stormwater Infiltration Basin Routing
25-year 24hr Storm
WATERSHED DATA
BEFORE DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFFCOEF.'C'
0.2
TIME OF CONCENTR
5.00 MIN
INTENSITY 25 YR)
8.15 1N/HR
Qa = 12.09 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 8.05 INCHES 25yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) = (P-0.2S)A21(P+0.8S)
D = 4.28 IN - 25yr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
Tp = [(43.5)(D)(Area)] / Qp
. Tp = 42.28 MINUTES
Storage Volume Req'd = (Qp-0a)'Tp'1.39'60
72,496 cu. ft.
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al 16.50 feet
AFTER DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFF CIDER 'C'
0.54
TIME OF CONCENTR
5.00 MIN
INTENSITY 25 YR
8.15 INIHR
Qp = 32.66 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
CONTOUR
CONTOUR
AREA
(sq ft)
INCR
VOL
(cu ft)
S
ACCUM
VOL
(cu ft)
Z
STAGE
(ft)
In S
In Z
Z est
(ft)
16.50
8845
0
0
0
0
0
0
17.00
9793
10,796
10,796
0.5
9.2869
-0.69314718
0.57
18.00
11798
12,853
23,649
1.5
10.0711
0.405465108
1.31
19.00
13908
15,015
38,664
2.5
10.5627
0.916290732
2.22
20.00
16122
17,272
55,936
3.5
10.9320
1.252762968
3.29
21.00
18422
19,606
75,541
4.5
11.2324
1.504077397
4.54
22.00
20789
21,397
96,938
5.5
11.4818
1.7047
5.93
22.50
22004
11,002
107,940
6.0
11.5893
1.7918
6.65
Regression Output:
=> Ks = 18345
b = 0.94
X Coefficient 9.82
G:U0BS12012112042-Deer Crossing Phase 11ACa1cs112042 Infiltration Routing 25y24hr Pond 1.xls

10/3/2016 Deer Crossing Phase III 12042
PGT/MLV Stormwater Infiltration Basin Routing
25-year 24hr Storm
CHAINSAW METHOD FOR
RISER BARREL ROUTING
STORM DATA
Qa =
12.09 cfs
Qp =
32.66 cis
• Infiltration rat 7.4 in/hr
Tp =
42.3 min
(Per Soils Report
dT =
4 min
BASIN DATA
Basin Drawdown Time = 13.2 hours
Ks =
18345
b =
0.94
Zo =
16.50 ft
Normal water elev =
16.50 ft
Peak Outflow= 8.38 cfs
Weir Length =
16 ft
Peak Stage =
21.49 It
Cw =
3.0
Maximum Storage =
82,559 cu it
Zcr =
21.50 it
Control Holes:
State Orifice: Dia =
0.00 in
Dd =
18 in
Inv =
0.00 ft
Cd =
0.6
Weir: I. =
36 in
Zi =
16.50 ft
Inv =
21.0 it
Emergency
Spillway L =
240 in
Inv =
21.60 it
Emergency
Time
Inflow
Storage
Stage
Outflow
W Riser
Barrel
Spillway
Orifice
Weir
IFStore
Infiltrate
(min)
(cfs)
(Cu M
(ft)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(cfs)
(cu ft)
(co
0
4
0.0
0
16.50
0
0
0
0.00
0
0.00
0.0
0.0
8
0.7
1 a
0
16.50
0
0.00
0
0.00
0
0.00
0.0
402.6
12
172
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
805.2
16
6.1
844
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
1207.8
20
10.2
14.9
2301
4760
16.53
0.00
0.00
0.0
0.00
0.00
0.00
691.1
1610.4
24
19.8
8347
16.63
16.80
0.00
0.00
0.00
0.00
0.2
0.00
0.00
0.00
2748.9
2013.0
28
24.3
13093
17.04
0.00
0.00
0.7
1.6
0.00
0.00
0.00
0.00
0.00
5931.7
2415.6
32
28.1
18924
17.35
0.00
0.00
3.1
0.00
0.00
0.00
0.00
10274.6
15703.2
2818.2
3220.8
36
40
30.9
25673
17.72
0.00
0.00
5.4
0.00
0.00
0.00
22049.5
3623.4
44
32.4
32.5
33092
18.14
0.00
0.00
8.0
0.00
0.0D
0.00
29065.6
4026.0
48
31.2
40073
48678
18.58
19.04
0.00
0.00
0.00
9.8
0.00
0.00
0.00
36444.3
4428.6
52
28.6
66166
19.48
0.00
0.00
0.00
11.4
12.7
0.00
0.00
0.00
43846.9
4831.2
56
25.3
63025
19.89
0.00
0.00
13.8
0.00
0.00
0.00
0.00
0.00
50932.6
5233.8
60
22.4
69104
20.24
0.00
0.00
14.7
0.00
0.00
0.00
0.00
57388.4
53064.7
5636.4
6039.0
64
68
1 A R
74479
20.56
0.00
0.00
15.5
0.00
0.00
0.00
68037.4
6441.6
72
17.5
15.5
79232
83435
20.84
0.00
0.00
16.1
D.00
0.00
0.00
72388.0
6844.2
76
13.7
87013
21.08
21.29
0.58
3.72
0.00
0.00
16.6
0.00
0.00
0.58
76188.5
7246.8
80
12.1
89405
21.42
6.48
0.00
17.1
17.3
0.00
0.00
0.00
0.00
3.72
79363.2
7649A
84
10.7
90757
21.48
7.96
0.00
17.5
0.00
0.00
6.48
7.96
81353.3
82302.3
8052.0
8454.6
88
92
9.5
8.4
91416
21.49
8.38
0.00
17.5
0.00
0.00
8.38
82559.0
8857.2
96
7.4
91678
91732
21.49
21.48
8.15
0.00
17.5
0.00
0.00
8.15
82417.9
9259.8
100
6.5
91688
21.43
7.59
6.89
0.00
0.00
17.4
17.4
0.00
0.00
7.59
82069.2
9662.4
104
5.8
91605
21.40
6.16
0.00
17.3
0.00
0.00
0.00
0.00
6.89
81622.7
10065.0
108
5.1
91518
21.37
5.44
0.00
17.2
0.00
0.00
6.16
5.44
81138.2
R0647.6
10467.6
112
116
4.5
91440
21.34
4.77
0.00
17.2
0.00
0.00
4.77
80167.1
10870.2
11272.8
120
4.0
3.5
91380
91343
21.31
4.16
0.00
17.1
0.00
0.00
4.16
79705.0
11675.4
124
3.1
91328
2128
21.25
3.60
3.10
0.00
0.00
17.1
0.00
0.00
3.60
79264.6
12078.0
128
2.8
91336
21.23
2.64
0.00
17.0
16.9
0.00
0.00
3.10
78847.1
12480.6
132
2.4
91365
21.21
2.24
0.00
16.9
0.00
0.00
0.00
0.00
2.64
2.24
78452.3
12883.2
136
2.2
91415
21.18
1.88
0.00
16.8
0.00
0.00
1.88
78079.1
77726.4
13285.8
13688.4
140
144
1.9
1.7
91483
21.16
1.56
0.00
16.8
0.00
0.00
1.56
77392.4
14091.0
148
1.5
91569
91671
21.14
21.12
1.27
0.00
16.8
0.00
0.00
1.27
77076.7
14493.6
152
1.3
91786
21.10
1.02
0.79
0.00
0.00
16.7
0.00
0.00
1.02
76774.5
14896.2
156
1.2
91913
21.08
0.60
0.00
16.7
16.6
0.00
0.00
0.00
0.00
0.79
76487.1
15298.8
160
1.0
92051
21.07
0.43
0.00
16.6
0.00
0.00
0.60
0.43
76211.9
75946.9
15701.4
16104.0
164
168
0.9
0.8
92197
92349
21.05
0.28
0.00
16.6
0.00
0.00
0.28
75690.3
16506.6
172
0.7
92505
21.04
21.02
0.16
0.07
0.00
0.00
16.5
0.00
0.00
0.16
75439.9
16909.2
176
0.6
92661
21.00
0.01
0.00
16.5
16.5
0.00
0.00
0.07
75193.1
17311.8
180
0.6
92812
20.99
0.00
0.00
16.4
0.00
0.00
0.00
0.00
0.01
74946.5
17714.4
184 0.5 92946 20.97 0.00 0.00
G:UOBS12012112042-Deer Crossing Phase III%CaIcs112042 Infiltration Routing 25y24hr_Pond 1.xls
16.4
0.00
0.00
0.00
0.00
74694.5
74426.1
18117.1
18519.7

10/312016
Deer Crossing Phase III
PGT/MLV
Stormwater Infiltration Basin Routing
12042
25-year 24hr Storm
192
0.4
93169
20.93
0.00
0.00
16.3
0.00
0.00
0.00
73844.6
19324.9
196
0.3
93262
20.91
0.00
0.00
16.3
0.00
0.00
0.00
73534.8
19727.5
200
0.3
93344
20.89
0.00
0.00
16.2
0.00
0.00
0.00
73214.3
20130.1
204
0.3
93417
20.87
0.00
0.00
16.2
0.00
0.00
0.00
72884.3
20532.7
208
0.2
93481
20.85
0.00
0.00
16.1
0.00
0.00
0.00
72546.9
20935.3
212
0.2
93538
20.83
0.00
0.00
16.1
0.00
0.00
0.00
72200.0
21337-9
216
0.2
93588
20.80
0.00
0.00
16.0
0.00
0.00
0.00
71847.6
21740.5
220
0.2
93632
20.78
0.00
0.00
16.0
0.00
0.00
0.00
71489.4
22143.1
224
0.1
93672
20.76
0.00
0.00
15.9
0.00
0.00
0.00
71126.0
22545.7
228
0.1
93706
20.73
0.00
0.00
15.9
0.00
0.00
0.00
70758.1
22948.3
232
0.1
93737
20.71
0.00
0.00
15.8
0.00
0.00
0.00
70386.2
23350.9
236
0.1
93764
20.69
0.00
0.00
15.7
0.00
0.00
0.00
70010.7
23753.5
240
0.1
93788
20.66
0.00
0.00
15.7
0.00
0.00
0.00
69632.1
24156.1
244
0.1
93809
20.64
0.00
0.00
15.6
0.00
0.00
0.00
69250.7
24558.7
248
0.1
93828
20.61
0.00
0.00
15.6
0.00
0.00
0.00
6B866.9
24961.3
252
0.1
93845
20.59
0.00
0.00
15.5
0.00
0.00
0.00
68480.9
25363.9
256
0.1
93059
20.56
0.00
0-00
15.5
0.00
0.00
0.00
68093.0
25766.5
260
0.0
93872
20.54
0.00
0.00
15.4
0.00
0.00
0.00
67703.3
26169.1
264
0.0
93884
20.51
0.00
0.00
15.4
0.00
0.00
0.00
67312.2
26571.7
268
0.0
93894
20.49
0.00
0.00
15.3
0.00
0.00
0.00
66919.7
26974.3
272
0.0
93903
20.46
0.00
0.00
15.2
0.00
0.00
0.00
66526.1
27376.9
276
0.0
93911
20.44
0.00
0.00
15.2
0.00
0.00
0.00
66131.4
27779.5
280
0.0
93918
20.41
0.00
0.00
15.1
0.00
0.00
0.00
65735.8
28182.1
284
0.0
93924
20.39
0.00
0.00
15.1
0.00
0.00
0.00
65339.4
28584.7
288
0.0
93930
20.36
0.00
0.00
15.0
0.00
0.00
0.00
64942.3
28987.3
292
0.0
93934
20.34
0.00
0.00
14.9
0.00
0.00
0.00
64544.6
29389.9
296
0.0
93939
20.31
0.00
0.00
14.9
0.00
0.00
0.00
64146.3
29792.5
300
0.0
93943
20.29
0.00
0.00
14.8
0.00
0.00
0.00
63747.5
30195.1
304
0.0
93946
20.26
0.00
0.00
14.7
0.00
0.00
0.00
63348.2
30597.7
308
0.0
93949
20.24
0.00
0.00
14.7
0.00
0.00
0.00
62948.6
31000.3
312
0.0
93951
20-21
0.00
0.00
14.6
0.00
0.00
0.00
62548.6
31402.9
316
0.0
93954
20.19
0.00
0.00
14.6
0.00
0.00
0.00
62148.3
31805.5
320
0.0
93956
20.16
0.00
0.00
14.5
0.00
0.00
0.00
61747.8
32208.1
324
0.0
93958
20.14
0.00
0.00
14.4
0.00
0.00
0.00
61347.0
32610.7
328
0.0
93959
20.11
0.00
0.00
14.4
0.00
0.00
0.00
60946.0
33013.3
332
0.0
93961
20.08
0.00
0.00
14.3
0.00
0.00
0.00
60544.8
33415.9
336
0.0
93962
20.06
0.00
0.00
14.2
0.00
0.00
0.00
60143.4
33818.5
340
0.0
93963
20.03
0.00
0.00
14.2
0.00
0.00
0.00
59741.9
34221.1
344
0.0
93964
20.01
0.00
0.00
14.1
0.00
0.00
0.00
59340.3
34623.7
348
0.0
93965
19.98
0.00
0.00
14.0
0.00
0.00
0.00
58938.6
35026.3
352
0.0
93966
19.95
0.00
0.00
14.0
0.00
0.00
0.00
58536.8
35428.9
356
0.0
93966
19.93
0.00
0.00
13.9
0.00
0.00
0.00
58134.8
35831.5
360
0.0
93967
19.91
0.00
0.00
13.8
0.00
0.00
0.00
57732.8
36234.1
364
0.0
93967
19.88
0.00
0.00
13.8
0.00
0.00
0.00
57330.8
36636.7
368
0.0
93968
19.86
0.00
0.00
13.7
0.00
0.00
0.00
56928-6
37039.3
372
0.0
93968
19.83
0.00
0.00
13.6
0.00
0.00
0.00
56526.4
37441.9
376
0.0
93969
19.81
0.00
0.00
13.6
0.00
0.00
0.00
56124.2
37844.5
380
0.0
93969
19.78
0.00
0.00
13.5
0.00
0.00
0.00
55721.9
38247.1
384
0.0
93969
19.76
0.00
0.00
13.4
0.00
0.00
0.00
55319.6
38649.7
388
0.0
93970
19.73
0.00
0.00
13.4
0.00
0.00
0.00
54917.3
39052.3
392
0.0
93970
19.70
0.00
0.00
13.3
0.00
0.00
0.00
54514.9
39454.9
396
0.0
93970
19.68
0.00
0.00
13.2
0.00
0.00
0.00
54112.5
39857.5
400
0.0
93970
19.65
0.00
0.00
13.2
0.00
0.00
0.00
53710.1
40260.1
404
408
0.0
93970
19.63
0.00
0.00
13.1
0.00
0.00
0.00
53307.6
40662.7
0.0
93970
19.60
0.00
0.00
13.0
0.00
0.00
0.00
52905.1
41065.3
G:UOBS12012112042-Deer Crossing Phase 111kCa1cs112042 Infiltration Routing 25yr24hr Pond 1.xls

10/3/2016 Deer Crossing Phase III 12042
PGT Stormwater Infiltration Basin Routing
100-year 24hr Storm
WATERSHED DATA
BEFORE DEVELOPMENT
1111ATERSHEDAREA
7.42 ACRES
RUNOFF COEF. 'C'
0.2
TIME OF CO CENTR
5.00 MIN
INTENSITY (100 YR)
9.60 IN/HR
Qa = 14.25 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 10 INCHES 100yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) = (P-0.2S)A2/(P+0.8S)
D = 5.96 IN - 100yr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
Tp = [(43.5)(D)(Area)] / Qp
Tp = 58.93 MINUTES
Storage Volume Req'd = (Qp-Qa)'Tp'1.39'60
90,471 cu. ft.
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al 16.50 feet
AFTER DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFFCOEF.'C'
0.64
TIME OF CONCENTR
1 5.00 MIN
INTENSITY 100 YR
8.15 IN/HR
Qp = 32.66 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
S
Z
CONTOUR
[NCR
ACCUM
CONTOUR
AREA
VOL
VOL
STAGE
In S In Z
Z est
(sq ft)
(cu ft)
(cu M
(ft)
(ft)
16.50
8845
0
0
0
0 0
0
17.00
9793
10,796
10,796
0.5
9.2869-0.89314718
0.57
18.00
11798
12,853
23,649
1.5
10.0711 0.405465108
1.31
19.00
13908
15,015
38,664
2.5
10.5627 0.916290732
2.22
20.00
16122
17,272
55,936
3.5
10.9320 1.252762968
3.29
21.00
18422
19,606
75,541
4.5
11.2324 1.504077397
4.54
22.00
20789
21,397
96,938
5.5
11.4818 1.7047
5.93
22.50
22004
11,002
107,940
6.0
11.5893 1.7918
6.65
Regression Output:
Ks = 18345
b = 0.94
X Coefficient 9.82
G:UOBS12012X12042-Deer Crossing Phase III%CaICs112042 Infiltration Routing 100yrUhr Pond 1.xls

10/3/2016 Deer Crossing Phase III 12042
PGT Stormwater Infiltration Basin Routing
100-year 24hr Storm
CHAINSAW METHOD FOR
RISER BARREL ROUTING
STORM DATA
Qa =
14.25 cis
Qp =
32.66 cfs
• Infiltration rat 7. A ln/hr
Tp =
58.9 min
(Per Soils Report
dT =
4 min
BASIN DATA
Basin Drawdown Time = F-1-3.121 hours
Ks =
18345
b =
0.94
Zo =
16.50 ft
Normal water elev =
16.50 ft
Peak Outflow = 21.12 cfs
Weir Length =
16 ft
Peak Stage =
21.74 ft
Cw =
3.0
Maximum Storage =
86,382 cu ft
Zcr =
21.50 ft
Control Holes:
State Orifice: Dia =
0.00 in
Dd =
18 in
Inv =
0.00 ft
Cd =
0.6
Weir: L =
36 in
Zi =
16.50 ft
Inv =
21.0 ft
Emergency Spillway L =
240 in
Inv =
21.60 ft
Emergency
Time
Inflow
Storage
Stage
Outflow
W Riser
Barrel
Spillway
Orifice
Weir
IFStore
Infiltrate
(min)
(cfs)
(cu ft)
(ft)
(c[s)
(cfs)
(cls)
(ds)
(cfs)
(cfs)
(cu ft)
(c0
0
0.0
0
16.50
0
0
0
0.00
0
0.00
0.0
0.0
4
0.4
0
16.50
0
0.00
0
0.00
0
0.00
0.0
402.6
8
1.5
89
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
805.2
12
3.2
440
16.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
1207.8
16
5.6
1215
16.50
0.00
0.00
0.0
0.00
U.U0
0.00
0.0
1610.4
20
8.4
2556
16.52
0.00
0.00
0.0
0.00
0.00
0.00
543.0
2013.0
24
11.6
4580
16.60
0.00
0.00
0.1
0.00
0.00
0.00
2164.8
2415.6
28
15.1
7374
16.73
0.00
0.00
0.4
0.00
0.00
0.00
4555.5
2818.2
32
18.5
10987
16.90
0.00
0.00
1.0
0.00
0.00
0.00
7766.1
3220.E
36
21.9
15434
17.12
0.00
0.00
2.0
0.00
0.00
0.00
11610.5
3623.4
40
25.0
20691
17.40
0.00
0.00
3.4
0.00
0.00
0.00
16664.6
4026.0
44
27.8
26697
17.73
0.00
0.00
5.5
0.00
0.00
0.00
22268.0
4428.6
48
30.0
33357
18.10
0.00
0.00
7.8
0.00
0.00
0.00
28525.9
4831.2
52
31.6
40548
18.51
0.00
0.00
9.6
0.00
0.00
0.00
35314.3
5233.8
56
32.5
48121
18.95
0.00
0.00
11.1
0.00
0.00
0.00
42484.8
5636.4
60
32.6
55911
19.41
0.00
0.00
12.5
0.00
0.00
0.00
49871.9
6039.0
64
32.1
63742
19.88
0.00
0.00
13.8
0.00
0.00
0.00
57300.2
6441.6
6B
30.8
71437
20.34
0.00
0.00
14.9
0.00
0.00
0.00
64592.4
6844.2
72
28.8
78824
20.79
0.00
0.00
16.0
0.00
0.00
0.00
71577.6
7246.8
76
26.5
85748
21.21
2.26
0.00
16.9
0.00
0.00
2.26
78098.4
7649.4
80
24.3
91566
21.56
10.64
0.64
17.6
0.00
0.00
10.00
83514.0
8052.0
84
22.2
94836
21.74
21.12
5.72
18.0
3.21
0.00
15.41
86381.9
8454.6
88
20.3
95098
21.73
20.52
5.39
18.0
2.91
0.00
15.12
86241.1
8857.2
92
18.6
95055
21.70
18.66
4.42
17.9
2.01
0.00
14.24
85794.9
9259.8
96
17.0
95046
21.68
17.02
3.58
17.9
1.29
0.00
13.44
85383.1
9662.4
100
15.6
95053
21.65
15.51
2.83
17.8
0.70
0.00
12.68
84987.8
10065.0
104
14.3
95075
21.63
14.14
2.17
17.8
0.27
0.00
11.97
84607.7
10467.6
108
13.1
95111
21.60
12.89
1.59
17.7
0.01
0.00
11.29
84241.0
10870.2
112
12.0
95158
21.58
11.74
1.09
17.7
0.00
0.00
10.65
83885.5
11272.8
116
11.0
95214
21.56
10.71
0.67
17.6
0.00
0.00
10.04
83538.9
11675.4
120
10.0
9527E
21.54
9.78
0.32
17.6
0.00
0.00
9.45
83198.1
12078.0
124
9.2
95339
21.51
8.95
0.08
17.5
0.00
0.00
8.88
82858.8
12480.6
128
8.4
95396
21.49
8.30
0.00
17.5
0.00
0.00
8.30
82513.2
12883.2
132
7.7
95423
21.47
7.70
0.00
17.4
0.00
0.00
7.70
82137.4
13285.8
136
7.1
95425
21.44
7.06
0.00
17.4
0.00
0.00
7.06
81737.0
13688.4
140
6.5
95423
21.42
6.45
0.00
17.3
0.00
0.00
6.45
81331.8
14091.0
144
5.9
95426
21.39
5.85
0.00
17.3
0.00
0.00
5.85
80932.3
14493.6
148
5.4
95440
21.36
5.30
0.00
17.2
0.00
0.00
5.30
80543.9
14896.2
152
5.0
95468
21.34
4.78
0.00
17.2
0.00
0.00
4.78
80169.3
15298.8
156
4.5
95511
21.32
4.30
0.00
17.1
0.00
0.00
4.30
79809.4
15701.4
160
4.2
95569
21.29
3.85
0.00
17.1
0.00
0.00
3.85
79464.6
16104.0
164
3.8
95641
21.27
3.44
0.00
17.0
0.00
0.00
3.44
79134.5
16506.6
168
3.5
95728
21.25
3.06
0.00
17.0
0.00
0.00
3.06
78818.7
16909.2
172
3.2
95828
21.23
2.72
0.00
17.0
0.00
0.00
2.72
78516.4
17311.8
176
2.9
95941
21.21
2.40
0.00
16 9
0.00
0.00
2.40
78226.9
17714.4
180
2.7
96066
21.20
2.10
0.00
16.9
0.00
0.00
2.10
77949.3
18117.1
184
2.4
96203
21.18
1.84
0.00
16.8
0.00
0.00
1.84
77683.1
18519.7
G:II0BS%2012112042-Deer Crossing Phase III%CaIcs112042 Infiltration
Routing 100y24hr_Pond 1.xls

10/3/2016
Deer Crossing Phase III
PGT
Stormwater Infiltration Basin Routing
12042
100-year 24hr Storm
192
196
2.1
96506
21.15
1.36
0.00
16.8
0.00
0.00
1.36
77180.9
19324.9
200
1.9
96671
21.13
1.16
0.00
16.7
0.00
0.00
1.16
76943.4
19727.5
204
1.7
95844
21.12
0.97
0.00
16.7
0.00
0.00
0.97
76714.0
20130.1
208
1.6
97024
21.10
0.80
0.00
16.7
0.00
0.00
0.80
76491.7
20532.7
212
1.4
97211
21.09
0.64
0.00
16.6
0.00
0.00
0.64
76275.7
20935.3
216
1.3
97403
21.08
0.50
0.00
16.6
0.00
0.00
0.50
76065.2
21337.9
220
1.2
97600
21.06
0.37
0.00
16.6
0.00
0.00
0.37
75869.2
21740.5
224
1.1
1.0
97800
21.05
0.26
0.00
16.6
0.00
0.00
0.26
75656.6
22143.1
228
0.9
98002
21.04
0.17
0.00
16.5
0.00
0.00
0.17
75456.2
22545.7
232
0.8
98205
21.02
0.09
0.00
16.5
0.00
0.00
0.09
75256.4
22948.3
236
0.8
98406
21.01
0.03
0.00
16.5
0.00
0.00
0.03
75055.4
23350.9
240
98604
21.00
0.00
0.00
16.4
0.00
0.00
0.00
74850.2
23753.5
0.7
98790
20.98
0.00
0.00
16.4
0.00
0.00
0.00
74634.0
24156.1
244
0.7
98961
20.97
0.00
0.00
16.4
0.00
0.00
0.00
74402.1
24558.7
248
0.6
99117
20.95
0.00
0.00
16.3
0.00
0.00
0.00
74155.8
24961.3
252
0.5
99260
20.94
0.00
0.00
16.3
0.00
0.00
0.00
73896.2
25363.9
256
0.5
99391
20.92
0.00
0.00
16.3
0.00
0.00
0.00
73624.6
25766.5
260
0.5
99511
20.90
0.00
0.00
16.2
0.00
0.00
0.00
73342.0
26169.1
264
0.4
99621
20.88
0.00
0.00
16.2
0.00
0.00
0.00
73049.1
26571.7
268
0.4
99721
20.86
n nn
0.00
16.1
0.00
0.00
0.00
72747.1
26974.3
272
0.4
99813
20.84
0.00
0.00
16.1
0.00
0.00
0.00
72436.5
27376.9
276
0.3
99898
20.82
0.00
0.00
16.1
0.00
0.00
0.00
72118.2
27779.5
280
0.3
99975
20.80
0.00
0.00
16.0
0.00
0.00
0.00
71792.7
28182.1
284
0.3
100045
20.78
0.00
0.00
16.0
0.00
0.00
0.00
71460.7
28584.7
288
0.2
100110
20.76
0.00
0.00
15.9
0.00
0.00
0.00
71122.8
28987.3
292
0.2
100169
20.74
0.00
0.00
15.9
0.00
0.00
0.00
70779.4
29389.9
296
0.2
100223
20.71
0.00
0.00
15.8
0.00
0.00
0.00
70431.0
29792.5
300
0.2
100273
20.69
0.00
0.00
15.8
0.00
0.00
0.00
70078.0
30195.1
304
0.2
100319
20.67
0.00
0.00
15.7
0.00
0.00
0.00
69720.8
30597.7
308
0.2
100360
20.65
0.00
0.00
15.7
0.00
0.00
0.00
69359.8
31000.3
312
0.1
100398
20.62
0.00
0.00
15.6
0.00
0.00
0.00
68995.3
31402.9
316
0.1
100433
20.60
0.00
0.00
15.5
0.00
0.00
0.00
68627.6
31805.5
320
0.1
100465
20.58
0.00
0.00
15.5
0.00
0.00
0.00
68256.9
32208.1
324
0.1
100494
20.55
0.00
0.00
15.4
0.00
0.00
0.00
67883.5
32610.7
328
0.1
100521
20.53
0.00
0.00
15.4
0.00
0.00
0.00
67507.6
33013.3
332
0.1
100545
20.50
0.00
0.00
15.3
0.00
0.00
0.00
67129.5
3341 b.9
336
0.1
100568
20.48
0.00
0.00
15.3
0.00
0.00
0.00
66749.4
33818.5
340
0.1
100588
20.45
0.00
0.00
15.2
0.00
0.00
0.00
66367.3
34221.1
344
0.1
100607
20.43
0.00
0.00
15.1
0.00
0.00
0.00
65983.5
34623.7
348
0.1
100624
20.41
0.00
0.00
15.1
0.00
0.00
0.00
65598.1
35026.3
352
0.1
100640
20.38
0.00
0.00
15.0
0.00
0.00
0.00
65211.3
35428.9
356
0.1
100655
20.36
0.00
0.00
15.0
0.00
0.00
0.00
64823.1
35831.5
360
0.1
100668
20.33
0.00
0.00
14.9
0.00
0.00
0.00
64433.7
35234.1
364
0.0
100680
20.31
0.00
0.00
14.9
0.00
0.00
0.00
64043.2
36636.7
368
372
0.0
100691
20.28
0.00
0.00
14.8
0.00
0.00
0.00
63651.6
37039.3
0.0
100701
20.26
0.00
0.00
14.7
0.00
0.00
0.00
63259.2
37441.9
376
0.0
100710
20.23
0.00
0.00
14.7
0.00
0.00
0.00
62865.9
37844.5
380
0.0
100719
20.21
0.00
0.00
14.6
0.00
0.00
0.00
62471.8
38247.1
384
0.0
100727
20.18
0.00
0.00
14.5
0.00
0.00
0.00
62076.9
38649.7
388
0.0
100734
20.16
0.00
0.00
14.5
0.00
0.00
0.00
61681.4
39052.3
392
0.0
100740
20.13
0.00
0.00
14.4
0.00
0.00
0.00
61285.4
39454.9
396
0.0
100746
20.11
0.00
0.00
14.4
0.00
0.00
0.00
60888.7
39857.5
400
0.0
100752
20.08
0.00
0.00
14.3
0.00
0.00
0.00
60491.6
40260.1
404
0.0
100757
20.06
0.00
0.00
14.2
0.00
0.00
0.00
60094.0
40662.7
408
0.0
100761
20.03
0.00
0.00
14.2
0.00
0.00
0.00
59696.0
41065.3
G:UOBS12012\12042-Deer Crossing Phase IlIkCsIcs112042 Infiltration Routing 100y24hr_Pond 1.xls

10/3/2016 Deer Crossing Phase III PGT Stormwater Infiltration Basin Routing 12042
100-year 24hr Storm
No infiltration
WATERSHED DATA
BEFORE DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFFCOEF.'C'
0.2
TIME OF CONCENTR
5.00 MIN
INTENSITY 100 YR)
9.60 IN/HR
Qa = 14.25 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 10 INCHES 100yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) = (P-0.2S)"2/(P+0,8S)
D = 5.96 IN-1D0yr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
Tp = [(43.5)(D)(Area)) / Op
Tp = 50.03 MINUTES
Storage Volume Req'd = (Qp-Qa)'Tp'1.39'60
101,046 cu. ft.
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al 16.50 feet
AFTER DEVELOPMENT
WATERSHED AREA
7.42 ACRES
RUNOFF COEF. 'C'
0.54
TIME OF CONCENTR
5.00 MIN
INTENSITY 100 YR
9.60 IN/HR
Qp = 38.47 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
S
Z
CONTOUR
INCR
ACCUM
CONTOUR
AREA
VOL
VOL
STAGE
In S
In Z
Z est
(sq ft)
(cu ft)
(cu ft)
(ft)
(ft)
16.50
8845
0
0
0
0
0
0
17.00
9793
10,796
10,796
0.5
9.2869
-D.69314718
0.57
18.00
11798
12,853
23,649
1.5
10.0711
0.405465108
1.31
19.00
13908
15,015
38,664
2.5
10.5627
0.916290732
2.22
20.00
16122
17,272
55,936
3.5
10.9320
1.252762968
3.29
21.00
18422
19,606
75,541
4.5
11.2324
1.504077397
4.54
22.00
20789
21,397
96,938
5.5
11.4818
1.7047
5.93
22.50
22004
11,002
107,940
6.0
11.5893
1.7918
6.65
Regression Output:
=> Ks = 18345
b = 0.94
X Coefficient 9.82
G:U0B8t2012112042-Deer Crossing Phase II1%CaIcs112042 Infiltration Routing 100y24hr no infil_Pond 1.As

10/3/2016 Deer Crossing Phase III 12042
PGT Stormwater Infiltration Basin Routing
100-year 24hr Storm
No infiltration
CHAINSAW METHOD FOR
RISER BARREL ROUTING
STORM DATA
Qa =
14.25 cfs
Qp =
38.47 cis
lnfiHiration raf�ln/hr
Tp =
50.0 min
(Per Soils Reporl
dT =
4 min
BASIN DATA
Basin Drawdown Time = =hours
Ks =
18345
b =
0.94
Zo =
16.50 ft
Normal water elev =
16.50 ft
Peak Outflow= 55.02 cfs
Weir Length
it
Peak Stage =
22.09 ft
Cw =
3.0
Maximum Storage =
91,724 cu ft
Zcr =
ft
Control Holes:
State Orifice: Dia =
0.00 in
Dd =
in
Inv =
0.00 It
Cd =
0.6
Emergency Spillway: L =
240 in
ZI =
ft
Inv =
21.60 ft
Emergency
Time
Inflow
Storage
Stage
Outflow
W Riser
Barrel
Spillway
Orifice
Weir
IFStore
Infiltrate
(min)
(cfs)
(cu ft)
(ft)
(cfs)
(cfs)
(cfs)
(ems)
(ems)
(Cfs)
(cu ft)
(ci
0
4
0.0
0
16.50
0
0
0
0.00
0
0.00
0.0
0.0
8
0.6
0
16.50
0
0.00
0
0.00
0
0.00
0.0
0.0
12
2.4
145
16.51
0.00
0.00
0.0
0.00
0.00
0.00
144.9
0.0
16
5.2
715
16.53
0.00
0.00
0.0
0.00
0.00
0.00
715.2
0.0
20
8.9
1965
16.59
0.00
0.00
U.0
0.00
0.00
0.00
1965.0
0.0
13.3
4105
16.70
0.00
0.00
0.0
0.00
0.00
0.00
4105.4
0.0
24
18.0
7292
16.87
0.00
0.00
0.0
0.00
0.00
0.00
7292.0
0.0
28
22.8
11614
17.11
0.00
0.00
0.0
0.00
0.00
0.00
11614.3
0.0
32
27.4
17091
17.43
0.00
0.00
0.0
0.00
0.00
0.00
17090.8
0.0
36
31.5
23667
17.81
0.00
0.00
0.0
0.00
0.00
0.UU
23667.5
0.0
40
34.8
31221
18.27
0.00
0.00
0.0
0.00
0.00
0.00
31221.3
0.0
44
37.1
39568
18.77
0.00
0.00
0.0
0.00
0.00
0.00
39567.8
0.0
48
38.3
48473
19.33
0.00
0.00
0.0
0.00
0.00
0.00
48472.8
0.0
52
38.3
57667
19.90
0.00
0.00
0.0
0.00
0.00
0.00
57667.2
0.0
56
37.1
66863
20.49
0.00
0.00
0.0
0.00
0.00
0.00
66863.4
0.0
60
34.8
75774
21.06
0.00
0.00
0.0
0.00
0.00
0.00
75774.1
0.0
64
31 A
84130
21.60
0.00
0.00
0.0
0.00
0.00
0.00
84129.7
0.0
68
28.5
91724
22.09
55.02
0.00
0.0
0.00
0.00
55.02
91724.0
0.0
72
76
25.7
85364
21.68
3.37
0.00
0.0
0.00
0.00
3.37
85363.8
0.0
23.2
90725
22.02
44.42
0.00
0.0
0.00
0.00
44.42
90724.5
0.0
80
84
20.9
85625
21.69
4.55
0.00
0.0
0.00
0.00
4.55
85624.6
0.0
88
18.B
89543
21.95
32.91
0.00
0.0
0.00
0.00
32.91
89543.2
0.0
92
17.0
86161
21.73
7.34
0.00
0.0
0.00
0.00
7.34
86161.3
0.0
15.3
88471
21.88
23.52
0.00
0.0
0.00
0.00
23.52
88471.1
0.0
96
13.8
86495
21.75
9.28
0.00
0.0
0.00
0.00
9.28
86495.1
0.0
100
12.4
87575
21.82
16.52
0.00
0.0
0.00
0.00
16.52
87574.7
0.0
104
11.2
86589
21.76
9.85
0.00
0.0
0.00
0.00
9.85
86589.1
0.0
108
10.1
86910
21.78
11.90
0.00
0.0
0.00
0.00
11.90
86910.2
0.0
112
9.1
86475
21.75
9.16
0.00
0.0
0.00
0.00
9.16
86475.1
0.0
116
8.2
86459
21.75
9.06
0.00
0.0
0.00
0.00
9.06
86458.8
0.0
120
7.4
86251
21.73
7.84
0.00
0.0
0.00
0.00
7.84
86250.7
0.0
124
6.7
86141
21.73
7.22
0.00
0.0
0.00
0.00
7.22
86141.0
0.0
128
6.0
86005
21.72
6.48
0.00
0.0
0.00
0.00
6.48
86004.8
0.0
132
136
5.4
85889
21.71
5.87
0.00
0.0
0.00
0.00
5.87
85889.5
0.0
140
4.9
85778
21.70
5.30
0.00
0.0
0.00
0.00
5.30
86778.0
0.0
144
4.4
4.0
85675
21.70
4.79
0.00
0.0
0.00
0.00
4.79
85674.9
0.0
148
3.6
85578
85488
21.69
21.68
4.33
0.00
0.0
0.00
0.00
4.33
85578.4
0.0
152
3.2
85404
21.68
3.92
3.54
0.00
0.00
0.0
0.0
0.00
0.00
3.92
85488.3
0.0
156
2.9
85325
21.67
3.20
0.00
0.0
0.00
0.00
0.00
0.00
3.54
3.20
85404.1
B5325.5
0.0
160
164
2.6
2.4
85252
21.67
2.90
0.00
0.0
0.00
0.00
2.90
85252.0
0.0
0.0
168
2.1
85183
85119
21.66
21.66
2.62
0.00
0.0
0.00
0.00
2.62
85183.4
0.0
172
1.9
85059
21.66
2.37
2.14
0.00
0.00
0.0
0.0
0.00
0.00
2.37
85119.3
0.0
176
1.7
85003
21.65
1.94
0.00
0.0
0.00
0.00
0.00
0.00
2.14
1.94
85059.4
85003.4
0.0
180
184
1.6
84951
21.65
1.76
0.00
0.0
0.00
0.00
1.76
84951.1
0.0
0.0
1.4 84902
-G:U0BS12012112042-Deer Crossing Phase llftCaics112042
21.65 1.59
Infiltration
0.00
0.0
0.00
0.00
1.59
84902.3
0.0
Routing 100yr24hr
no infil_Pond t.xls

10/3/2016
Deer Crossing Phase III
PGT
Stormwater Infiltration Basin Routing
12042
100-year 24hr Storm
No infiltration
192
1.1
84814
21.84
1.30
0.00
0.0
0.00
0.00
1.30
84814.0
0.0
196
1.0
84774
21.64
1.18
0.00
0.0
0.00
0.00
1.18
84774.1
0.0
200
0.9
84737
21.64
1.07
0.00
0.0
0.00
0.00
1.07
84736.8
0.0
204
0.8
84702
21.63
0.97
0.00
0.0
0.00
0.00
0.97
84702.0
0.0
208
0.8
84669
21.63
0.88
0.00
0.0
0.00
0.00
0.88
84669.4
0.0
212
0.7
84639
21.63
0.79
0.00
0.0
0.00
0.00
0.79
84639.0
0.0
216
0.6
84611
21.63
0.72
0.00
0.0
0.00
0.00
0.72
84610.6
0.0
220
0.5
84584
21.63
0.65
0.00
0.0
0.00
0.00
0.65
84584.0
0.0
224
0.5
84559
21.62
0.59
0.00
0.0
0.00
0.00
0.59
84559.1
0.0
228
0.4
84536
21.62
0.54
0.00
0.0
0.00
0.00
0.54
84535.9
0.0
232
0.4
84514
21.62
0.49
0.00
0.0
0.00
0.00
0.49
84514.1
0.0
236
0.4
84494
21.62
0.44
0.00
0.0
0.00
0.00
0.44
84493.8
0.0
240
0.3
84475
21.62
0.40
0.00
0.0
0.00
0.00
0.40
84474.8
0.0
244
0.3
84457
21.62
0.36
0.00
0.0
0.00
0.00
0.36
84457.1
0.0
248
0.3
84440
21.62
0.33
0.00
0.0
0.00
0.00
0.33
84440.4
0.0
252
0.2
84425
21.62
0.30
0.00
0.0
0.00
0.00
0.30
84424.9
0.0
256
0.2
84410
21.61
0.27
0.00
0.0
0.00
0.00
0.27
84410.3
0.0
260
0.2
84397
21.61
0.25
0.00
0.0
0.00
0.00
0.25
84396.7
0.0
264
0.2
84384
21.61
0.22
0.00
0.0
0.00
0.00
0.22
84384.0
0.0
268
0.2
84372
21.61
0.20
0.00
0.0
0.00
0.00
0.20
84372.1
0.0
272
0.1
84361
21.61
0.19
0.00
0.0
0.00
0.00
0.19
84361.0
0.0
276
0.1
84351
21.61
0.17
0.00
0.0
0.00
0.00
0.17
84350.5
0.0
280
0.1
84341
21.61
0.15
0.00
0.0
0.00
0.00
0.15
84340.8
0.0
284
0.1
84332
21.61
0.14
0.00
0.0
0.00
0.00
0.14
84331.E
0.0
288
0.1
84323
21.61
0.13
0.00
0.0
0.00
0.00
0.13
84323.1
0.0
292
0.1
84315
21.61
0.12
0.00
0.0
0.00
0.00
0.12
84315.1
0.0
296
0.1
84308
21.61
0.11
0.00
0.0
0.00
0.00
0.11
84307.6
0.0
300
0.1
84301
21.81
0.10
0.00
0.0
0.00
0.00
0.10
84300.6
0.0
304
0.1
84294
21.61
0.09
0.00
0.0
0.00
0.00
0.09
84294.0
0.0
308
0.1
84288
21.61
0.08
0.00
0.0
0.00
0.00
0.08
84287.8
0.0
312
0.1
84282
21.61
0.07
0.00
0.0
0.00
0.00
0.07
84282.1
0.0
316
0.0
84277
21.61
0.07
0.00
0.0
0.00
0.00
0.07
84276.7
0.0
320
0.0
84272
21.61
0.06
0.00
0.0
0.00
0.00
0.06
84271.6
0.0
324
0.0
84267
21_an
0.06
0.00
0.0
0.00
0.00
0.06
84266.9
0.0
328
0.0
84262
21.60
0.05
0.00
0.0
0.00
0.00
0.05
84262.4
0.0
332
0.0
84258
21.60
0.05
0.00
0.0
0.00
0.00
0.05
84258.2
0.0
336
0.0
84254
21.60
0.04
0.00
0.0
0.00
0.00
0.04
84254.3
0.0
340
0.0
84251
21.60
0.04
0.00
0.0
0.00
0.00
0.04
84250.7
0.0
344
0.0
84247
21.60
0.04
0.00
0.0
0.00
0.00
0.04
84247.2
0.0
348
0.0
84244
21.60
0.03
0.00
0.0
0.00
0.00
0.03
84244.0
0.0
352
0.0
B4241
21.60
0.03
0.00
0.0
0.00
0.00
0.03
84241.0
0.0
356
0.0
84238
21.60
0.03
0.00
0.0
0.00
0.00
0.03
84238.2
0.0
360
0.0
84235
21.60
0.02
0.00
0.0
0.00
0.00
0.02
84235.5
0.0
364
0.0
84233
21.60
0.02
0.00
0.0
0.00
0.00
0.02
84233.0
0.0
368
0.0
84231
21.60
0.02
0.00
0.0
0.00
0.00
0.02
84230.6
0.0
372
0.0
84228
21.60
0.02
0.00
0.0
0.00
0.00
0.02
84228.4
0.0
376
0.0
84226
21.60
0.02
0.00
0.0
0.00
0.00
0.02
84226.4
0.0
380
0.0
84224
21.60
0.02
0.00
0.0
0.00
0.00
0.02
84224.4
0.0
384
0.0
84223
21.60
0.01
0.00
0.0
0.00
0.00
0.01
84222.6
0.0
388
0.0
84221
21.60
0.01
0.00
0.0
0.00
0.00
0.01
84220.9
0.0
392
0.0
84219
21.60
0.01
0.00
0.0
0.00
0.00
0.01
84219.3
0.0
396
0.0
84218
21.60
0.01
0.00
0.0
0.00
0.00
0.01
84217.8
0.0
400
0.0
84216
21.60
0.01
0.00
0.0
0.00
0.00
0.01
84216.3
0.0
404
0.0
84215
21.60
0.01
0.00
0.0
0.00
0.00
0.01
84215.0
0.0
408
0.0
84214
21.60
0.01
0.00
0.0
0.00
0.00
0.01
84213.8
0.0
G:UOB&2012112042-Deer Crossing Phase 1111Ca1cs112042 Infiltration Routing 100y24hr no infil_Pond 1.x1s

01/12/2017 Deer Crossing Phase III 12042
PGT/MLV Infiltration Basin Calculations
Infiltration Pond Size:
Elevation
ft.
Surface Area
(sq. ft.
Incr. Vol
c
Cuml. Vol.
Bottom 15.50
6,998
0
0
17.00
9,793
12,593
12,593
18.00
11,798
10,796
23,389
19.00
13,908
12,853
36,242
2000
16,122
15,015
51,257
21.00
18,422
17,272
68,529
22.00
20,789
19,606
88,134
Top of Bank 22.50
22,004
10,698
98,833
*SHGWT 1350 Infiltration Rate: 7 4 in/hr
Required Vol.* = 43.495 cu. ft.
*See Simple Method - 1-yr,24 hr storm Storage Volume Calculations
Provided Vol. = 98,833 cu. ft.
lrawdown Calculation:
T= V / 2xKxA where: T = dewatering time (days)
V = volume of water requiring infiltration (cu.ft.)
K = hydraulic conductivity of soil (in/hr)
T= 98,833 / 2 x 7.4 x 6,998 A = effective infiltrating area (sq.ft.)
T= 0.95 days
I • 12• (-7
RECEIVE
JAN 18 20fi
BY:
12042 Infiltration Pond Volume Calc_Pond 1.xls 1 of 1

01/,,2/2017 Deer Crossing Phase III
PGT/MLV Simple Method - Pre/Post 1-yr,24-hr storm
Storage Volume Calculations
12042
Storage Volume - SA Waters - Minimum Volume Reauired
Volume Required = 43.495 fe
Volume Provided = 68,529 W
Storage Volume - SA :"laters - Pre-Deyelopirpent Rurtuff Volume
Volume of Runoff = V = (3630) (Design Rainfall Depth) (Rv) (Drainage Area)
where
Rv= 0.05+0.009(IA)
Rv = Runoff Coefficient = storm runoff (inches) / storm rainfall (inches)
IA = Impervious Fraction = Impervious portion of the drainage area (acres) / Drainage area (acres)
Pre -Development Impervious Area = 0 1,12
Pre -Development Drainage Area = 323,215 f?
IA= 0.00 %
Rv= 0.050
Design Rainfall Depth = 3.80 in.
Drainage Area = 7.42 acres
Volume = 5,118 it
Storage Volume - SA Waters - Post -Development Runoff Volume
Volume of Runoff = V = (3630) (Design Rainfall Depth) (Rv) (Drainage Areal
where
Rv= 0.05+0.009(IA)
Rv = Runoff Coefficient = storm runoff (inches) / storm rainfall (inches)
IA = Impervious Fraction = Impervious portion of the drainage area (acres) / Drainage area (acres)
post -Development Impervious Area = 152,615 ft2
Post -Development Drainage Area = 323,215 ft2
IA= 47.2 %
Rv= 0.47
Design Rainfall Depth = 3.80 in.
Drainage Area = 7.42 acres
Volume = 48,613 W
ECEIVE
JAN 13 2017
BY-
G:\IOBS\2012\12042-Deer Crossing Phase III\Cale\12042-Storage Volume Calm 1 year DA l.xlsx

1/12/2017 Deer Crossing Phase III
PGT Stormwater Infiltration Basin Routing
1-year 24hr Storm
WATERSHED DATA
BEFORE DEVELOPMENT AFTER DEVELOPMENT
WATERSHEDAREA 7.42 ACR_E_S___j WATERSHED/1REA 7.42 ACRES
RUNOFF COEF. 'C' 0.2 RUNOFF COEF. 'C' 0.54
TIME OF CONCENTR 1 5.00 MIN ITIME OF CONC NTR 1 5.00 MIN
INTENSITY 1 YR 3.90 IN/HR I INTENSITY 1 YR 3.90 IN/HR
Oa = 5.79 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 3.8 INCHES 1yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) = (P-0.2S)42/(P+0.8S)
D = 1.08 IN - lyr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
Tp [(43.5)(D)(Area)] / Op
Tp = 22.32 MINUTES
Storage Volume Req'd = (Qp-Qa)'Tp'1.39"60
18,312 cu. ft.
Qp = 15.63 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al
15.50 feet
S
Z
CONTOUR
INCR
ACCUM
CONTOUR AREA
VOL
VOL
STAGE
In S In Z
Z est
(sq ft)
(cu ft)
(cu ft)
(ft)
(ft)
15.50 6998
0
0
0
0 0
0
16.50 8845
9,319
9,319
1.0
9.1398 0
0.91
17.00 9793
10,796
20,115
1.5
9.9092 0.405465108
1.70
18.00 11798
12,853
32,968
2.5
10.4033 0.916290732
2.53
19.00 13908
15,015
47,983
3.5
10.7786 1.252762968
3.43
20.00 16122
17,272
65,255
4.5
11.0861 1.504077397
4.40
21.00 18422
19,606
84,860
5.5
11.3488 1.7047
5.45
22.00 20789
21,395
106,255
6.5
11.5736 1.8718
6519
22.50 22,001
11,001
117,256
7.0
11.6721 1.9459
7.08
Regression Output
Ks = 10453
b = 1.24
X Coefficient 9.25
EGE1'E
JAN 13 20V
12042
GIMM2012112042-Deer Crossing Phase Ili Caicst12042 infiltration RouOng 1y24hr Pond 1.x1s

1/12/2017 Deer Crossing Phase III 12042
PGT Stormwater Infiltration Basin Routing
1-year 24hr Storm
CHAINSAW METHOD FOR
RISER BARREL ROUTING
STORM RATA
Qa =
5.79 cis
Op =
15.63 cis
* Infiltration rat 7 4 in/hr
Tp =
22.3 min
(Per Soils Report
dT =
4 min
BASIN DATA
Basin Drawdown Time = 0.21 days
Ks =
10453
b=
1.24
Zo =
15.50 ft
Normal
water elev =
15.50 it
Peak Outflow = 0.30 cfs
Weir Length
Cw=
16 ft
Peak Stage =
17.29 it
JAN ' 3
20!1'�
3.0
Maximum Storage =
21,514 cu ft
Zcr=
21.50 ft
Control Holes:
State Orifice: Dia =
0.00 in
g%
Dd =
24 in
Inv =
0.00 ft
Cd =
0.6
Weir: L =
36 in
Zi =
15.50 It
Inv =
21.0 ft
Emergency Spillway L =
240 in
Inv =
21.60 ft
Emergency
Time
Inflow
Storage
Stage
Outflow
W Riser
Barrel
Spillway
Orifice
Weir
IFStore
Infiltrate
(min)
(cfs)
(cu ft)
(ft)
(cfs)
(cfs)
(Cfs)
(cfs)
(cls)
(cfs)
(cu ft)
(CO
0
0.0
0
15.50
0
0
0
0.00
0
0.00
0.0
0.0
4
1.2
0
15.50
0
0.00
0
0.00
0
0.00
0.0
363.6
8
4.5
290
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
727.3
12
8.7
1358
15.55
0.00
0.00
0.1
0.00
0.00
0.00
267.4
1090.9
16
12.1
3455
15.76
0.00
0.00
0.7
0.00
0.00
0.00
2000.7
1454.5
20
15.2
6512
16.02
0.00
0.00
2.0
0.00
0.00
0.00
4693.8
1818.1
24
15.4
10164
16.30
0.00
0.00
3.9
0.00
0.00
0.00
7981.7
2181.8
28
13.3
13861
16.57
0.00
0.00
5.9
0.00
0.00
0.00
11316.0
2545.4
32
10.5
17047
16.78
0.00
0.00
7.7
0.00
0.00
0.00
14137.9
2909.0
36
8.3
19570
16.93
0.00
0.00
9.2
0.00
0.00
0.00
16297.6
3272.7
40
6.6
21569
17.05
0.00
0.00
10.3
0.00
0.00
0.00
17932.8
3636.3
44
6.2
23152
17.13
0.00
0.00
11.2
0.00
0.00
0.00
19152.5
3999.9
48
4.1
24407
17.19
0.00
0.00
11.8
0.00
0.00
0.00
20043.1
4363.5
52
3.3
25400
17.24
0.00
0.00
12.3
0.00
0.00
0.00
20673.0
4727.2
56
2.6
26187
17.27
0.00
0.00
12.6
0.00
0.00
0.00
21096.4
5090.8
60
2.1
26811
17.28
0.00
0.00
12.8
0.00
0.00
0.00
21356.2
5454.4
64
1.6
27304
17.29
0.00
0.00
12.8
0.00
0.00
0.00
21486.4
5818.0
68
1.3
27096
17.29
0.00
0.00
12.9
0.00
0.00
0.00
21514.0
6181.7
72
1.0
28006
17.29
0.00
0.00
12.8
0.00
0.00
0.00
21460.2
6545.3
76
0.8
28251
17.28
0.00
0.00
12.7
0.00
0.00
0.00
21342.1
6908.9
80
0.6
28445
17.27
0.00
0.00
12.6
0.00
0.00
0.00
21172.9
7272.6
84
0.5
28599
17.26
0.00
0.00
12.5
0.00
0.00
0.00
20963.3
7636.2
88
0.4
28721
17.24
0.00
0.00
12.3
0.00
0.00
0.00
20721.7
7999.0
92
0.3
28818
17.22
0.00
0.00
12.1
0.00
0.00
0.00
20454.7
8363.4
96
0.3
28895
17.20
0.00
0.00
11.9
0.00
0.00
0.00
20167.6
8727.1
100
0.2
28955
17.18
0.00
0.00
11.7
0.00
0.00
0.00
19864.6
9090.7
104
0.2
29003
17.16
0.00
0.00
11.5
0.00
0.00
0.00
19549.0
9454.3
108
0.1
29041
17.14
0.00
0.00
11.2
0.00
0.00
0.00
19223.5
9818.0
112
0.1
29072
17.11
0.00
0.00
11.0
0.00
0.00
0.00
18890.0
10181.6
116
0.1
29095
17.09
0.00
0.00
10.7
0.00
0.00
0.00
18550.2
10545.2
120
0.1
29114
17.07
0.00
0.00
10.5
0.00
0.00
0.00
18205.5
10908.8
124
0.0
29129
17.04
0.00
0.00
10.3
0.00
0.00
0.00
17856.9
11272.5
128
0.0
29141
17.02
0.00
0.00
10.0
0.00
0.00
0.30
17505.1
11636.1
132
0.0
29151
16.99
0.00
0.00
9.8
0.00
0.00
0.00
17150.9
11999.7
136
0.0
29158
16.97
0.00
0.00
9.5
0.00
0.00
0.00
16794.7
12363.3
140
0.0
29164
16.94
0.00
0.00
9.3
0.00
0.00
0.00
16437.0
12727.0
144
0.0
29169
16.92
0.00
0.00
9.0
0.00
0.00
0.00
16078.0
13090.E
148
0.0
29172
16.89
0.00
0.00
8.8
0.00
0.00
0.00
15718.1
13454.2
152
0.0
29175
16.87
0.00
0.00
8.5
0.00
0.00
0.00
15357.4
13817.9
156
0.0
29178
16.84
0.00
0.00
8.3
0.00
0.00
0.00
14996.1
14181.5
160
0.0
29179
16.81
0.00
0.00
8.1
0.00
0.00
0.00
14634.3
14545.1
164
0.0
29181
16.79
0.00
0.00
7.8
0.00
0.00
0.00
14272.1
14908.7
168
0.0
29182
16.76
0.00
0.00
7.6
0.00
0.00
0.00
13909.7
15272.4
172
0.0
29183
16.73
0.00
0.00
7.3
0.00
0.00
0.00
13547.0
15636.0
176
0.0
29184
16.71
0.00
0.00
7.1
0.00
0.00
0.00
13184.0
15999.6
180
0.0
29184
16.68
0.00
0.00
6.9
0.00
0.00
0.00
12821.0
16363.3
184 0.0 29185 10.65 0.00 0.00
G:U0B512012N2042-Deer Crossing Phase III%CaIcs112042 Infiltration Routing 1 y24hr Pond 1.x1s
6.6
0.00
0.00
0.00
12457.8
16726.9

1/12/2017
Deer Crossing Phase III
PGT
Stormwater Infiltration Basin Routing
12042
1-year 24hr
Storm
192
196
0.0
29185
16.60
0.00
0.00
6.2
0.00
0.00
0.00
11731.2
17454.1
200
0.0
0.0
29186
16.67
0.00
0.00
5.9
0.00
0.00
0.00
11367.8
17817.8
204
0.0
29186
16.54
0.00
0.00
5.7
0.00
0.00
0.00
11004.4
18181.4
208
0.0
29186
16.51
0.00
0.00
5.5
0.00
0.00
0.00
10640.9
18545.0
212
0.0
29186
16.49
0.00
0.00
5.2
0.00
0.00
0.00
10277.4
18908.6
216
0.0
29186
16.46
0.00
0.00
5.0
0.00
0.00
0.00
9913.8
19272.3
220
0.0
29186
16.43
0.00
0.00
4.8
0.00
0.00
0.00
9550.3
19635.9
224
0.0
29186
29186
16.40
16.37
0.00
0.00
4.6
0.00
0.00
0.00
9186.7
19999.5
228
0.0
29186
16.34
0.00
0.00
0.00
0.00
4.4
4.1
0.00
0.00
0.00
8823.1
20363.2
232
0.0
29186
16.31
0.00
0.00
3.9
0.00
0.00
0.00
0.00
0.00
0.00
8459.5
8095.9
20726.8
236
240
0.0
29186
16.28
0.00
0.00
3.7
0.00
0.00
0.00
7732.3
21090.4
21454.0
244
0.0
0.0
29186
16.25
0.00
0.00
3.5
0.00
0.00
0.00
7368.7
21817.7
248
0.0
29186
29186
16.22
16.19
0.00
0.00
3.3
0.00
0.00
0.00
7005.1
22181.3
252
0.0
29186
16.16
0.00
0.00
0.00
0.00
3.1
2.9
0.00
0.00
0.00
6641.5
22544.9
256
0.0
29486
16.13
0.00
0.00
2.7
0.00
0.00
0.00
0.00
0.00
0.00
6277.8
5914.2
22908.6
260
0.0
29186
16.10
0.00
0.00
2.5
0.00
0.00
0.00
5550.6
23272.2
23635.8
264
268
0.0
29186
16.07
0.00
0.00
2.3
0.00
0.00
0.00
5187.0
23999.4
272
0.0
0.0
29106
16.03
0.00
0.00
2.1
0.00
0.00
0.00
4823.4
24363.1
276
0.0
29186
29186
16.00
15.97
0.00
0.00
1.9
0.00
0.00
0.00
4459.7
24726.7
280
0.0
29186
15.93
0.00
0.00
0.00
0.00
1.7
1.5
0.00
0.00
0.00
4096.1
25090.3
284
0.0
29186
15.90
0.00
0.00
1.4
0.00
0.00
0.00
0.00
0.00
0.00
3732.5
3368.9
25453.9
288
0.0
29186
15.86
0.00
0.00
1.2
0.00
0.00
0.00
3005.2
25817.6
26181.2
292
296
0.0
0.0
29186
15.83
0.00
0.00
1.0
0.00
0.00
0.00
2641.6
26544.8
300
0.0
29186
15.79
0.00
0.00
0.8
0.00
0.00
0.00
2278.0
26908.5
304
0.0
29186
29186
15.75
15.71
0.00
0.00
0.7
0.00
0.00
0.00
1914.3
27272.1
308
0.0
29186
15.67
0.00
0.00
0.00
0.00
0.5
0.4
0.00
0.00
0.00
1550.7
27635.7
312
0.0
29186
15.63
0.00
0.00
0.2
0.00
0.00
0.00
0.00
0.00
0.00
1187.1
823.5
27999.3
316
0.0
29186
15.58
0.00
0.00
0.1
0.00
0.00
0.00
459.8
28363.0
28726.6
320
0.0
29186
15.52
0.00
0.00
0.D
0.00
0.00
0.00
96.2
29090.2
324
328
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
29453.9
332
0.0
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
29817.5
336
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
30181.1
340
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
30544.7
344
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
30908.4
348
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
31272.0
352
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
31635.6
356
0.0
29186
15,50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
31999.2
360
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
32362.9
364
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
32726.5
368
0.0
29186
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
33090.1
372
0.0
29186
15.50
15.50
0.00
0.00
0.00
0.00
0.0
0.00
0.00
0.00
0.0
33453.8
376
0.0
29186
15.50
0.00
0.00
0.0
0.0
0.00
0.00
0.00
0.00
0.00
0.00
0.0
33817.4
380
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
0.0
34181.0
34544.6
384
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
34908.3
388
392
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
35271.9
396
0.0
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
35635.5
400
0.0
29186
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
35999.2
404
0.0
29186
29186
15.50
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
36362.8
408
0.0
29166
'i 5.50
0.00
U.00
0.00
0.00
0.0
0.00
0.00
0.00
0.0
36726.4
0.0
0.00
0.00
0.00
0.0
37090.0
GAJOW2012112042-Deer Crossing Phase 1111Ca1cs112042 Infiltration Routing 1yr24hr Pond 1.xls

1/12/2017 Deer Crossing Phase III 12042
PGT/MLV Stormwater Infiltration Basin Routing
10-year 24hr Storm
Half Infiltration Rate
WATERSHED DATA
BEFORE DEVELOPMENT
WATERSHEDAREA
7.42 ACRES
RUNOFFCOEF.'C'
0.2
TIME OF CONCENTR
5.00 MIN
INTENSITY 10 YR
7.23 IN/HR
Qa = 10.73 CFS
Qa = PRE -DEVELOPED PEAK DISCHARGE
COMPUTE DEPTH OF RUNOFF
P = 7 INCHES 10yr, 24hr PRECIPITATION
CN = 68
S = (1000/CN)-10
S = 4.71
Depth (D) = (P-0.2S)"2/(P+0.8S)
D = 3.41 IN - 10yr, 24hr RUNOFF DEPTH
SET VOLUME AND COMPUTE TIME TO PEAK
Tp = [(43.5)(D)(Area)] / Qp
Tp = 38.00 MINUTES
Storage Volume Req'd = (Qp-Qa)*Tp*1.39*60
57,799 cu. ft.
AFTER DEVELOPMENT
WATERSHED AREA
1 7.42 ACRES
RUNOFF COEF. 'C'
0.54
TIME OF CONCENTR
5.00 MIN
INTENSITY (10 YR)
1 7.23 IN/HR
Qp = 28.97 CFS
Qp = POST -DEVELOPED PEAK DISCHARGE
CALCULATE Ks AND b
BOTTOM INFILTRATION ELEVATION Al
15.50 feet
S
Z
CONTOUR
INCR
ACCUM
CONTOUR AREA
VOL
VOL
STAGE
In S In Z
Z est
(sq ft)
(cu ft)
(cu ft)
(ft)
(ft)
15.50 6998
0
0
0
0 0
0
16.50 8845
9,319
9,319
1.0
9.1398 0
0.91
17.00 9793
10,796
20,115
1.5
9.9092 0.405465108
1.70
18.00 11798
12,853
32,968
2.5
10.4033 0.916290732
2.53
19.00 13908
15,015
47,983
3.5
10.7786 1.252762968
3.43
20.00 16122
17,272
65,255
4.5
11.0861 1.504077397
4.40
21.00 18422
19,606
84,860
5.5
11.3488 1.7047
5.45
22.00 20789
21,395
106,255
6.5
11.5736 1.8718
6.53
22.50 22,001
11,001
117,256
7.0
11.6721 1.9459
7.08
Regression Output:
Ks = 10453
b= 1.24
X Coefficient 9.25
G:U0BSV012V12D42-DeerCrossing Phase IiilCalcs112042 Infiltration Routing 10y24hr Pond 1 half infiltrationAs

1/12/2017 Deer Crossing Phase III PGT/MLV Stormwater Infiltration Basin Routing 12042
10-year 24hr Storm
Half infiltration Rate
CHAINSAW METHOD FOR
RISER BARREL_ ROUTING
STORM DATA
Qa =
10.73 cis
Qp =
28.97 cis
` inffitration ra 3 7 1n/hr
*Half of Infiltration Rate shown to prove that system
Tp =
38.0 min
(Per Soils Report
can be infiltrated without discharging the system using
dT =
BASIN DATA
4 min
an infiltration
rate of one-half
of the reported
infiltration
Basin Drawdown Time w
0.8i days
rate.
No bypass, no
vegetated filter strip and no
Ks
b
10453
1
additional storage volume required.
Zo =
.24
15.5500 ft
(Section 16.3.9.4. BMP Manual)
Normal water elev _
15.50 ft
Peak Outflow = 0.00 cfs
Weir Length =
16 ft
Peak Stage =
20.90 ft
Cw =
3.0
Maximum Storage =
83,914 cu ft
Zcr =
21.50 It
Control Holes:
State Orifice: Dia =
0.00 in
Dd =
18 in
Inv =
0.00 ft
Cd =
0.6
Weir: L =
12 in
Zi =
15.50 ft
Inv =
21.0 ft
Emergency Spillway L
240 in
Inv
21.60 ft
Emergency
Time
(min)
Inflow
Storage
Stage
Outflow
W Riser
Barrel
Spillway
Orifice
Weir
IFStore Infiltrate
(cfs)
(cu ft)
(ft)
(cfs)
(cfs)
(cfs)
( s)0.00
(cfs)
(
(cu
M
0
4
0.0
0.8
0
15.50
0
0
0
0
0.00
0,0
0.0
8
3.1
0
15.50
0
0.00
0
0.00
0
0.00
0.0
181.8
12
6.6
188
15.50
0.00
0.00
0.0
0.00
0.00
0.00
0.0
363.6
16
10.9
922
2497
15.57
15.74
0.00
0.00
0.1
0.00
0.00
0.00
376.1
545.4
20
15.7
5120
15.98
0.00
0.00
0.00
0.5
0.00
0.00
0.00
1769.6
727.3
24
20.3
8884
16.29
0.00
0.00
0.00
1.3
2.8
0.00
0.00
0.00
4211.3
909.1
28
24.3
13758
16.65
0.00
0.00
5.0
0.00
0.00
0.00
0.00
0.00
0.00
7793.5
12485.1
1090.9
32
36
27.2
19589
17.06
0.00
0.00
7.7
0.00
0.00
0.00
18134.8
1272.7
1454.5
40
28.6
28.8
26123
33029
17.49
0.00
0.00
9.5
0.00
0.00
0.00
24487.1
1636.3
44
27.2
39934
17.92
18.34
0.00
0.00
0.00
0.00
11.0
0.00
0.00
0.00
31210.7
1818.1
48
24.3
46467
18.72
0.00
0.00
12.3
13.3
0.00
0.00
0.00
0.00
0.00
37933.8
2000.0
52
21.2
52306
19.05
0.00
0.00
14.2
0.00
0.00
0.00
0.00
44284.9
49942.8
2181.8
2363.6
56
60
18.5
57399
19.33
0.00
0.00
14.9
0.00
0.00
0.00
64853.8
2545.4
64
16.1
61841
19.57
0.00
0.00
15.5
0.00
0.00
0.00
59113.4
2727.2
68
14.1
65714
19.77
0.00
0.00
15.9
0.00
0.00
0.00
62804.9
2909.0
72
12.3
69092
19.94
0.00
0.00
16.3
0.00
0.00
0.00
66001.0
3090.8
76
10.7
72038
20.09
0.00
0.00
16.7
0.00
0.00
0.00
68766.1
3272.7
80
9.3
74607
20.22
0.00
0.00
16.9
0.00
0.00
0.00
71152.3
3454.5
84
8.1
7.1
76847
20.33
0.00
0.00
17.2
0.00
0.00
0.00
73210.9
3636.3
88
6.2
78801
20.43
0.00
0.00
17.4
0.00
0.00
0.00
74983.0
3818.1
91
5.4
80505
81991
20.51
20.58
0.00
0.00
17.5
n.no
0.00
0.00
76505.2
3999.9
96
4.7
83287
20.64
0.00
0.00
0.00
0.00
17.7
0.00
0.00
0.00
77809.4
4181.7
100
4.1
84417
20.69
0.00
0.00
17.8
17.9
0.00
0.00
0.00
0.00
0.00
0.00
78923.5
4363.5
104
3.6
85403
20.73
0.00
0.00
18.0
0.00
0.00
0.00
79871.9
80675.7
4545.3
4727.2
108
112
3.1
86262
20.76
0.00
0.00
18.1
0 an
0.00
0.00
81353.5
4909.0
116
2.7
2.4
87012
20.79
0.00
0.00
18.1
0.00
0.00
0.00
81921.3
6090.8
120
2.1
87666
20.82
0.00
0.00
18.2
0.00
0.00
0.00
82393.2
5272.6
124
1.8
88236
20.84
0.00
0.00
18.2
0.00
0.00
0.00
82781.5
5454.4
128
1.6
88733
20.86
0.00
0.00
18.2
0.00
0.00
0.00
83096.9
5636.2
132
1.4
89167
20.87
0.00
0.00
18.3
0.00
0.00
0.00
83348.7
5818.0
136
1.2
89545
89875
20.88
20.89
0.00
0.00
10.3
0.00
0.00
0.00
83545.0
5999.9
140
1.0
90162
20;89
0.00
0.00
0.00
0.00
18.3
18.3
0.00
0.00
0.00
83693.0
6181.7
144
0.9
90413
20.90
0.00
0.00
18.3
0.00
0.00
0.00
0.00
0.00
0.00
83798.7
83867.7
6363.5
148
0.8
90632
20.90
0.00
0.00
18.3
0.00
0.00
0.00
83904.7
6545.3
6727.1
152
156
0.7
90823
20.90
0.00
0.00
18.3
0.00
0.00
0.00
83913.6
6908.9
160
0.6
0.5
90989
20.90
0.00
0.00
18.3
0.00
0.00
0.00
83898.1
7090.7
164
0.5
91134
20.90
0.00
0.00
18.3
0.00
0.00
0.00
83861.4
7272.6
168
91260
20.89
0.00
0.00
18.3
0.00
0.00
0.00
83806.1
7454.4
172
0.4
91371
20.89
0.00
0.00
18.3
0.00
0.00
0.00
83734.6
7636.2
176
0.3
91467
20.88
0.00
0.00
18.3
0.00
0.00
0.00
83649.0
7818.0
180
0.3
0.3
91551
20.88
0.00
0.00
18.3
0.00
0.00
0.00
83551.1
7999.8
184
0.2
91624
20.87
0.00
0.00
18.3
0.00
0.00
0.00
83442.5
8181.6
91688
G:UO13S12012112D42-Deer Crossing Phase IIIVCaIcs112042
20.87 0.00 0.00 18.3
Infiltration Routing 10y24hr Pond 1 half infiltrationAs
0.00
0.00
0.00
83324.5
8363.4

1/12/2017
Deer Crossing
Phase III
PGT/MLV
Stormwater Infiltration Basin Routing
12042
10-year 24hr
Storm
Half Infiltration Rate
192
196
0.2
0.2
91792
20.85
0.00
0.00
18.2
0.00
0.00
0.00
83065.1
8727.1
200
0.1
91834
91871
20.85
20.84
0.00
0.00
18.2
0.00
0.00
0.00
82925.6
8908.9
204
0.1
91904
20.83
0.00
0.00
0.00
0.00
18.2
18.2
0.00
0.00
0.00
82780.7
9090.7
208
0.1
91932
20.82
0.00
0.00
18.2
0.00
0.00
0.00
0.00
0.00
0.00
82031.1
82477.4
9272.5
212
216
0.1
91956
20.82
0.00
0.00
18.2
0.00
0.00
0.00
82320.0
9454.3
9636.1
220
0.1
0.1
91978
20.81
0.00
0.00
18.1
0.00
0.00
0.00
82159.6
9818.0
224
0.1
91996
92012
20.80
20.79
0.00
0.00
18.1
0.00
0.00
0.00
81996.4
9999.8
228
0.1
92027
20.78
0.00
0.00
0.00
0.00
18.1
18.1
0.00
0.00
0.00
81830.8
10181.6
232
0.0
92039
20.77
0.00
0.00
18.1
0.00
0.00
0.00
0.00
0.00
81663.2
10363.4
236
0.0
92050
20.76
0.00
0.00
18.0
0.00
0.00
0.00
0.00
81493.7
81322.7
10545.2
240
0.0
92059
20.75
0.00
0.00
18.0
0.00
0.00
0.00
81150.2
10727.0
10908.8
244
248
0.0
0.0
92067
20.74
0.00
0.00
18.0
0.00
0.00
0.00
80976.6
11090.6
252
0.0
92074
92081
20.74
0.00
0.00
18.0
0.00
0.00
0.00
80802.0
11272.5
256
0.0
92086
20.73
20.72
0.00
0.00
18.0
0.00
0.00
0.00
80626.4
11454.3
260
0.0
92091
20.71
0.00
0.00
0.00
i 8.0
0.00
0.00
0.00
80450.0
11636.1
264
0.0
92095
20.70
0.00
0.00
0.00
17.9
17.9
0.00
0.00
0.00
80272.9
11817.9
268
0.0
92099
20.69
0.00
0.00
17.9
0.00
0.00
0.00
0.00
0.00
0.00
80095.2
11999.7
272
0.0
92102
20.68
0.00
0.00
17.9
0.00
0.00
0.00
79917.0
79738.4
12181.5
12363.3
276
280
0.0
92104
20.67
0.00
0.00
17.9
0.00
0.00
0.00
79559.3
12545.2
284
0.0
92107
20.06
0.00
0.00
17.8
0.00
0.00
0.00
79379.9
12727.0
288
0.0
0.0
92109
20.65
0.00
0.00
17.8
0.00
0.00
0.00
79200.1
12908.8
292
0.0
92111
20.64
0.00
0.00
17.8
0.00
0.00
0.00
79020.1
13090.6
296
0.0
92112
20.63
0.00
0.00
17.8
0.00
0.00
0.00
78839.9
13272.4
300
0.0
92114
92115
20.62
20.61
0.00
0.00
17.8
0.00
0.00
0.00
78659.5
13454.2
304
0.0
92116
20.60
0.00
0.00
0.00
0.00
17.7
17.7
0.00
0.00
0.00
78478.9
13636.0
308
0.0
92117
20.59
0.00
0.00
17.7
0.00
0.00
0.00
0.00
0.00
0.00
78298.1
78117.2
13817.9
312
316
0.0
92118
20.58
0.00
0.00
17.7
0.00
0.00
0.00
77936.2
13999.7
14181.5
320
0.0
0.0
92118
20.58
0.00
0.00
17.7
0.00
0.00
0.00
77755.1
14363.3
324
0.0
92119
20.57
0.00
0.00
17.6
0.00
0.00
0.00
77573.9
14645.1
328
0.0
92120
2n_5R
n nn
0.00
17.6
0.00
0.00
0.00
77392.6
14726.9
332
0.0
92120
9212n
20.56
20.54
0.00
0.00
17.6
0.00
0.00
0.00
77211.2
14908.7
336
0.0
92121
20.53
0.00
0.00
0.00
0.00
17.0
0.00
0.00
U.00
77029.8
15090.6
340
0.0
92121
20.52
0.00
0.00
17.6
17.5
0.00
0.00
0.00
76848.4
15272.4
344
0.0
92121
20.51
0.00
0.00
17.5
0.00
0.00
0.00
0.00
0.00
0.00
76660.9
76485.3
15454.2
348
352
0.0
92122
20.50
0.00
0.00
17.5
0.00
0.00
0.00
76303.7
16636.0
15817.8
356
0.0
0.0
92122
20.49
0.00
n n0
17.5
0.00
0.00
0.00
76122.1
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360
0.0
92122
20.48
0.00
0.00
17.5
0.00
0.00
0.00
75940.5
16181.4
364
0.0
92122
20.47
0.00
0.00
17.5
0.00
0.00
0.00
75758.8
16363.3
368
0.0
92122
20.46
0.00
0.00
17.4
0.00
0.00
0.00
75577.1
16545.1
372
0.0
92122
92122
20.45
20.44
0.00
0.00
17.4
0.00
0.00
0.00
75395.4
16726.9
376
0.0
92123
20.43
0.00
0.00
0.00
0.00
17.4
0.00
0.00
0.00
75213.7
16908.7
380
0.0
92123
20.42
0.00
0.00
17.4
17.4
0.00
0.00
0.00
0.00
0.00
0.00
75032.0
17090.5
384
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20.41
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17.3
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0.00
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74850.3
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392
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20.40
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20.39
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17.3
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20.38
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20.36
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G:UOBS12012112042-Deer Crossing Phase III1Ca1cs112042 Infiltration Routing 10yr24hr Pond 1 hatf infiftradon.As

7 F rS
Soils Engineering and Testing Services
Tripp Engineering, P.C.
419 Chestnut: Street
Wilmington, North Carolina 28401
Attention: Mr. Brock Daniel
November 12, 2013
:5�06 1J;t-K+
ECEIVE
OCT 1 1 2016
BY:
Reference: Infiltration Testing and Seasonal High Watertable Estimate
Proposed Deer Crossing Phase III
Deer Hill Drive
Wilmington, North Carolina
RFTS Job No. 911-13
Dear Mr. Daniel:
RFTS is pleased to provide testing services during the design phase of the proposed. Deer
Crossing Phase III project located off Deer Hill Drive in Wilmington, North Carolina.
Specific site grading plans had not been provided to us at the time this report was
prepared.
DESCRIPTIMN OF ACTIV TIES AND + N31NGS
As requested, our staff visited the site on November 1. 2013, to perform infiltration
testing and estimate the seasonal high watertable at two locations identified by you. The
purpose of this testing was to provide soil parameters for stormwater infiltration design.
Seasonal High Watertable Estimate
Hand auger borings were advanced at two locations to a depth of approximately 10 feet
below the existing ground surface in the area proposed b} the civil designer for an
infiltration structure. The encountered soils were logged and visually classified by depth
and a Munsell Soil Color Chart was used to determine the hue. value, and chroma of the
visually distinct soil layers. Our soil logs are presented in Table 1.
INF-1
Soils encountered at this boring location consistedentirely of interbedded relatively clean
fine sands (USCS Soil Group "SP" and "SP-SC") through the boring termination depth of
122 inches below the existing ground surface. No distinct zones of soil cementation were
encountered in the profile. Based on our experience with similar soils and comparisons
of the soil coloration to the Munsell Chart, it is our opinion that seasonal high water table
level occurs approximately 1.02 inches below the existing the ground surface. No
standing water was encountered at this boring location through the depth investigated.
RFTS, PLi C — COMMitted to Res onsive Service
13C5 3A C :e.•'a B.rch A�; ;� p Phone: [phone]
G.: c o, L•_ c , Ncr:: Ct,rcii s 22=:?3 Liu- rf'. rftS"WIc.coin Fina::: davidvvinstead-�.tcha:ter. net

Tripp Engineering, P.C.
RFTS Job No. 911-13
1NF-2
November 12, 2013
Page Two
Soils encountered at this boring location consisted entirely of interbedded relatively clean
fine sands (USCS Soil Group "SP" and "SP-SC") through the boring termination depth of
122 inches below the existing ground surface. No distinct zones of soil cementation were
encountered in the profile. Based on our experience with similar soils and comparisons
of the soil coloration to the Munsell Chart, it is our opinion that seasonal high water table
level does not occur through the depth investigated. No standing water was encountered
at this boring location through the depth investigated of 120 inches below the existing
ground surface.
Infiltration Testing
Infiltration testing was performed using a model 2800 Guelph Permeameter which is a
constant -head device which operates on the Mariotte siphon principle and is referenced in
ASTM D-5126. The permeameter is used to determine field saturated hydraulic
conductivity in centimeters per second for soil at a specified depth. This testing involves
advancing a borehole to the desired infiltration depth and introducing water at a constant
head to determine the steady state flow rate from which the hydraulic conductivity can be
calculated.
Our testing was performed approximately 36 inches below the existing ground surface.
The results of our permeameter testing are presented in Table 2.
RECOMMENDATIONS
Based on the results of our field testing and soil classifications at the test location. we
offer the following recommendations for stormwater infiltration design:
At the test location INF-1 and INF-2 it is our opinion that in order to achieve the steady
state flow rate obtained during our testing; the areas of infiltration galleries or other
infiltration structures should introduce stormwater at approximately 36 inches below the
existing ground surface elevation. For purposes of sizing the structures we recommend an
ultimate application rate of 7.4 and 8.0 inches per hour, respectively. These
recommendations should be reviewed by appropriate regulatory authorities before
finalizing the details of any civil design.

Tripp Engineering, P.C.
RFTS Job No. 911-13
CLOSURE
November 12, 2013
Page Three
Please find attached our field data and a sketch showing the approximate test locations.
If you have any questions after reviewing this letter, please do not hesitate to contact us at
your convenience.
Sincerely,
RFTS,PLLC
David L. Winstead
Field Operations Manager
D1.W:SDK/d1w
Attachments
Steven D. Kel , P.E.
Senior Enginee
NC Registration No. 17638

Table 1
Munsell Soil Classifications
Deer Crossing Phase III
Wilmington, North Carolina
RF T S Job No. 911-13
Loc
Soil Description
Hue
Value
Chrom.a
Depth
Comments
(in.)
1
Topsoil
-
-
-
0-11
Light Yellowish. Brown fine
2.5Y
6
4
I 1-1.6
SAND
Pale Yellow trine SAND
2.5Y
7
3
16-41
Pale Yellow fine SAND
2.5Y
7
4
41-63
Light Yellowish Brown fine
1 OYR
6
4
63-72
SAND
Light Yellowish Brown fine
2.5Y
6
4
72-93
SAND, trace of Clay
Brownish Yellow fine SAND,
1 OYR
6
8
93-102
trace of Clay
Light Yellowish Brown fine
2.5Y
6
4
z s i:'-'•
!+1ri 1 ('
SAND
Light Yellowish Brown fine
2.5Y
6
4
113-122
No HZD
SAND
2
Topsoil
_
_
_
0-8
Light Yellowish Brown fine
IOYR
6
4
8-19
SAND
Pale Yellow fine SAND
2.5Y
7
4
19-39
Yellowish Brown fine SAND,
IOYR
5
8
39-47
some Clay
Yellowish Brown fine SAND
10YR
5
6
47-66
Dark Yellowish Brown fine
10YR
4
6
66-77
SAND
Dark Yellowish Brown fine
10YR
3
6
77-96
SAND
Pale Yellow fine to medium
2.5Y
7
3
96-120
No
SAND
Indicators
for SHWT

Table 2
Guelph Permeameter Test Results
Deer Crossing Phase III
Wilmington, North Carolina
RFTS Job No. 911-13
Location
1
2
Depth (in.)
36
36
Hi (cm)
5
5
R1 (cm/min)
5.2
4.9
Rjs (cm/sec)
0.0866
0.0816
H2 (cm)
10
10
R, (cm/min)
9.0
8.8
Res cm/sec)
0.15
0.1466
Kr, (cm/sec)
5.19 10-
5.64x10'
ii IN11 7.41
Definition of Terms
Ri.2 — Established 3 or more constant rate of water level change (cm/min)
Rfs.2s — Calculated steady state flow rates (cm/sec)
HL2 — Maintained Head of H-,O (cm)
Kfs — Calculated field saturated hydraulic conductivity (cm/sec)
Depth -- Depth of well hole (in.)
Location — Test location identification number
Note: Diameter of well is 3.0 cm.

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SOSID: 0747446
Date Filed: 11/16/2015 11:59:00 PM
Elaine F. Marshall
" LIMITED LIABILITY COMPANY ANNUAL R North Carolina Secretary of State
s CA2015 320 01096
NAME OF LIMITED LIABILITY COMPANY:
SECRET ARY OF S T ATE ID NUMBER: 0747446
REPORT FOR THE YEAR: 2015
Limiina tic-ilty of North C.I:olina, L1_C
SECTION A: REGISTERED AGENT'S INFORMATION
1. NAME OF REGISTERED AGENT: Wilson Ki
2. SIGNATURE OF THE NEW REGISTERED AGENT:
3. REGISTERED OFFICE STREET ADDRESS & COUNTY
STATE OF FORMATION: NC
Fling Office Use Only
Changes
SIGNATURE CONSTITUTES CONSENT TO THE APPOINTMENT
4. REGISTERED OFFICE MAILING ADDRESS
890 S. Kerr Ave., #220 .P.O. Box 12615
Wilmington, NC 28403 New Hanover Wilmington, NC 28405 New Hanover
SECTION B: PRINCIPAL OFFICE INFORMATION
1. DESCRIPTION OF NATURE OF BUSINESS: Real Estaste
2. PRINCIPAL OFFICE PHONE NUMBER: [phone]
4. PRINCIPAL OFFICE STREET ADDRESS & COUNTY
890 S. Kerr Ave. #220
3. PRINCIPAL OFFICE EMAII Privacy Redaction
17 �O
5. PRINCIPAL OFFICE MAILING ADDRESS
17. ]
P.O. Box 12615
Wilmington, NC 28403 New Hanover Wilmington, NC 28405 New Hanover
SECTION C: COMPANY OFFICIALS (Enter additional Company Officials in Section E.)
NAME: Wilson Ki
NAME:
TITLE: '`4anager TITLE:
ADDRESS: ADDRESS:
PO Box 12615
Wilmington, INC 28405 New Hanover
NAME:
TITLE:
ADDRESS:
SECTION D: CERTIFICATION OF ANNUAL REPORT. Section D must be completed in its entirety by a person/business entity.
fjA&,', e } (_ q-- IS,
SIGNATURE ll DATE
Form must be signed by a Company Official listed under Section C of this form.
WILC,s,j�_'1
Print or Type Name of Company Official Print or fype The Title of the Company Official
SUBMIT THIS ANNUAL REPORT WITH THE REQUIRED FILING FEE OF $200
MAIL TO: Secretary of State. Corporations Division. Post Office Box 29525. Raleigh. NC 27626-0525
W..

Corporations Division Page 1 of 1
IRT
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Click Here To: Register
View Document Filings File an Annual Report Amend a Previous Annual Report
Print a Pre -Populated Annual Report form
Corporate Names
Legal: Lumina Realty of North Carolina, LLC
Limited Liability Company Information
Sosld:
Status:
Annual Report Status:
Citizenship:
Date Formed:
Fiscal Month:
State of Incorporation:
Registered Agent:
Corporate Addresses
0747446
Current -Active
Under Review LLC Notice
Domestic
10/11 /2004
December
NC
Ki, Wilson
Principal Office:
890 S. Kerr Ave. #220
Wilmington, NC 28403
Reg Office:
890 S. Kerr Ave., #220
Wilmington, NC 28403
Reg Mailing:
P.O. Box 12615
Wilmington, NC 28405
Mailing:
P.O. Box 12615
Wilmington, NC 28405
Company Officials
All LLCs are managed by their managers pursuant to N.C.G.S. 57D-3-20.
Manager: Wilson Ki
PO Box 12615
Wilmington NC 28405
http://www.sosnc.gov/Search/profcorp/6530372 10/27/2016

SOSID: 0747446
Date Filed: 11/16/201511:59:00 PM
Elaine F. Marshall
s
LIMITED LIABILITY COMPANY ANNUAL North Carolina Secretary of State
CA2015 320 01096
NAME OF LIMITED LIABILITY COMPANY: Lumina Realty of North Carolina, LLC
SECRETARY OF STATE ID NUMBER: 0747446
REPORT FOR THE YEAR: 2015
SECTION A: REGISTERED AGENTS INFORMATION
1. NAME OF REGISTERED AGENT: Wilson Ki
2. SIGNATURE OF THE NEW REGISTERED AGENT:
3. REGISTERED OFFICE STREET ADDRESS & COUNTY
STATE OF FORMATION: NC
Filing Office Use Only
Changes
SIGNATURE CONSTITUTES CONSENT TO THE APPOINTMENT
4. REGISTERED OFFICE MAILING ADDRESS
890 S. Kerr Ave., #220 .P.O. Box 12615
Wilmington, NC 28403 New Hanover Wilmington, NC 28405 New Hanover
SECTION B: PRINCIPAL OFFICE INFORMATION
1. DESCRIPTION OF NATURE OF BUSINESS: Real Estaste
2. PRINCIPAL OFFICE PHONE NUMBER: [phone]
4. PRINCIPAL OFFICE STREET ADDRESS & COUNTY
890 S. Kerr Ave. #220
3. PRINCIPAL OFFICE EMAI Privacy Redaction
S. PRINCIPAL OFFICE MAILING ADDRESS
P.O. Box 12615
Wilmington, NC 28403 New Hanover Wilmington, NC 28405 New Hanover
SECTION C: COMPANY OFFICIALS (Enter additional Company Officials in Section E.)
NAME: Wilson Ki
NAME:
TITLE: Manager TITLE:
ADDRESS:
PO Box 12615
Wilmington, INC 28405 New Hanover
ADDRESS:
NAME:
TITLE:
ADDRESS:
SECTION D: CERTIFICATION OF ANNUAL REPORT Section D must be completed in its entirety by a person/business entity.
SIGNATURE
Form must be signed by a Company Official listed under Section C of this farm.
DATE
W i Lw t-- \ 04!12iii/
Print or Type Name of Company Official Print or type The Title of the Company Official
■—.
SUBMIT THIS ANNUAL REPORT WITH THE REQUIRED FILING FEE OF $200
MAIL TO: Secretary of State, Corporations Division, Post Office Box 29525, Raleigh, NC 2762"525

I1�
Energy, Mineral &
Land Resources
ENVIRONMENTAL QUALITY
December 13, 2016
Mr. Wilson Ki, Manager
Lumina Realty of North Carolina, LLC
1804 Martin Luther King Parkway, #209
Durham, NC 27707
Subject: Request for Additional Information
State Stormwater Application No. SW8161011
Deer Crossing Phase 3
New Hanover County
Dear Mr. Ki:
PAT McCRORY
Governor
DONALD R. VAN DER VAART
secretary
TRACY DAVIS
Direemr
The Wilmington Regional Office received and accepted a State Stormwater Management Permit
Application for Deer Crossing Phase 3 on October 11, 2016. A preliminary in-depth review of that
information has determined that the application is not complete. The following information is needed to
continue the stormwater review:
1. Soils Report [per 15A NCAC 02H.1003(g)(7)]: Please provide the existing grade of the boring,
the depth to the SHWT, and the resultant SHWT elevation.
2. Drainage Area [per 15A NCAC 0211.1003(g)(5) and 02H.1005(d)]: Please show the drainage
area to the basin on the plans.
3. Design Option [per 15A NCAC 02H.1003(g)(7)]: I believe you are using Design Option #4
which does not require all of the design parameters if you can infiltrate the 10yr24hr storm. But,
the routing sheet for the 10yr24hr storm discusses the 2.5 x volume option. Please clarify the
intention and provide any additional data (such as the drawdown time for the I Oyr24hr storm).
Please remember that a change to one number may have a domino effect on other numbers. Please check
all plans, calculations and forms to ensure that the numbers are consistent throughout.
Please note that this request for additional information is in response to a preliminary review. The
requested information should be received in this Office prior to January 13, 2016, or the application will
be returned as incomplete. The return of a project will necessitate resubmission of all required items,
including the application fee.
If you need additional time to submit the information, please mail, email or fax your request for a time
extension to the Division at the address and fax number at the bottom of this letter. The request must
indicate the date by which you expect to submit the required information, which shall be no later than 30
days past the original due date. The Division is allowed 90 days from the receipt of a completed
application to issue the permit.
The construction of any impervious surfaces, other than a construction entrance under an approved
Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject to enforcement
action pursuant to NCGS 143-215.6A.
State of North Carolina I Environmental Quality i Energy, Mineral and Land Resources
Wilmington Regional office 1 127 Cardinal Drive Extension I Wilmington, NC 28405
910 796 7215

Page 2 of 2
Please reference the State assigned application number on all correspondence. If you have any questions
concerning this matter, please feel free to call me at [phone] or email me at
[e-mail].
,ngineer
Stormwater\Permits & Projects\2016\161011 HD\2016 12 addinfo 161011
cc: Phil Tripp, PE, Tripp Engineering
Wilmington Regional Office Stormwater Permit File
State of North Carolina I Environmental Quality I Energy, Mineral and Land Resources
Wilmington Regional Office 127 Cardinal Drive Extension I Wilmington, NC 28405
910 796 7215

TRIPP ENGINEERING, P.C.
419 Chestnut Street
Wilmington, North Carolina 28401
Phone: [phone] • FAX: [phone]
January 12, 2017
NCDENR
Division of Energy, Mineral and Land Resources
127 Cardinal Drive
Wihnington, NC 28405-3845
m E EtV'E
Attn: Ms. Kelly Johnson
JAN 13 201?
Re: Deer Crossing Phase 3
Stormwater Project No. SW8161011 BY�
TE 12042
Dear Kelly:
In response to your Request for Additional Information dated December 13, 2016, we offer the
following:
I. Soils Report [per 15A NCAC 02H.1003(g)(7)]: Please provide the existing grade of the
boring, the depth of the SHWT, and the resultant SHWT.
fhe existing grade of boring, the depth of the SHWT, and the resultant SHw fare
provided on the plan.
2. Drainage Area [per 15A NCAC 02H.1003(g)(5)1: Please show the drainage area to the
basin on the plans.
• A drainage area map for the basin is enclosed.
3. Design Option [per 15A NCAC 02H.1003(g)(7)]: I believe you are using Design Option
#4 which does not require all of the design parameters if you can infiltrate the 10-yr24hr
storm. But, the routing sheet for the 10yr24hr storm discusses the 2.5 x volume option.
Please clarify the intention and provide any additional data (such as the drawdown time
for the 10yi24hr storm).
Design option #4 is being used. The routing caluuNn«ons nave been upaate.-
Please review for approval and contact us with any questions, comments or if you need additional
information. Thank you.
Sincerely,
Tripp Engineering, P.C.
V fw a VJ�
Monica Valsi, E.I.
MLV:dcb
Enc.
ECEIVE
JAN 13 2017
BY.

10/11/16
Stormwater & Erosion Control Narrative
Deer Crossing Phase III
New Hanover County, NC
TE 12042
Deer Crossing Phase III is a residential site consisting of 39 si►igle-Famiiy Ints in New Hanover County,
Parcel ID# R07900-003-035-000, owned by Wilson Ki. The project area is approximately 7.42 acres. No
wetlands exist on the site.
Deer Crossing Phase III proposes 39 single-family lots at 3,000 sf of impervious surface for each lot;
31,000 sf of asphalt roadway; 4,615 sf of concrete sidewalk; one (1) infiltration basin and utility
extensions. The site has one (1) drainage area which is approximately 7.42 acres. The total impervious
area for the site is 152,615 sf.
The project will be treated by erosion control measures such as drop inlets with inlet protection,
temporary silt fence, gravel construction entrance, and one (1) sediment basin as well as tree protection.
One (1) infiltration basin provides sufficient storm water management to meet the State's 1.5"
requirement and alternately sized for the 25-yr storm event and analyzed for the 50-yr storm event.
Calculations have been provided to demonstrate that the ; %r 2 -hotir storm event liar, be lmiltralcii
without discharging the system using an infiltration rate of one-half of the infiltration rate reported in the
soils report, therefore waiving the State required off4in by pass and vegetated filter strip. An emergency
spillway is provided.
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Casmer, Jo
From: Casmer, Jo
Sent: Tuesday, November 01, 2016 10:47 AM
To: '[e-mail]; Tripp Engineering [e-mail])
Subject: Deer Crossing Phase 3; Stormwater Permit SW8161Oil
The Wilmington Regional Office of the Division of Energy, Mineral, and Land Resources (Stormwater Section)
received the Stormwater Permit Application and $505.00 fee on October 11, 2016. The project has been assigned
to Kelly Johnson and you will be notified if additional information is needed. Please be advised that the
construction of built —upon area may not commence until the Stormwater Permit is issued.
Jo Casmer
Administrative Assistant for DEMLR/Stormwater Section
North Carolina Department of Environmental Quality
Department of Environmental Assistance & Customer Service
910 796-7336 office
910 350-2004 fax
io.casmeMncdenr.aov
127 Cardinal Drive Extension
Wilmington, NC 28405
N:. - "Wthing Compares.—.,,
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

t
el
N & K DEVELOPMENT, INC.
P O BOX 12615
WILMINGTON, NC 28405
)UNT`�
4 r
ACTE TO THE ORDER -OF
BRANCH BANKING AND T UST COMPANY 02506
7 N LAKE
BLVD, CAROLINA BCH, NC
EXPLANATION AMOUNT
ro
2507
. 66.1121531
tiMBER
CHECK
AMOUNT

TRIPP ENGINEERING, P.C.
41 419 Chestnut Street
Wilmington, North Carolina 28401
Phone: [phone] • FAX: [phone]
October 11, 2016
NCDEQ
Division of Energy, Mineral and Land Resources
127 Cardinal Drive
Wilmington, NC 28405-3845
Attn: Steven Pusey
Re: Deer Crossing Phase 3
TE 12042
Dear Steve:
We are requesting a high density stormwater permit for the Deer Crossing Phase 3
subdivision. Enclosed please find the following items for review:
■ 2 sets of plans
• $505 check
• Narrative
• Stormwater application — one original and one copy
• Infiltration Basin Supplement
• Operation and Maintenance Agreement
• Deed Restrictions
• Soils Report
• Calculations
• USGS maD
• Secretary of State info.
• Copy of the Deed
ECEIVE
OCT 1 12016
BY:
Please review for approval and contact us with any questions, comments or if you
need additional information. Thank you.
Sincerely,
Tripp Engineering, P.C.
d)AAa
Monica Valsi, E.I.
MLV:dcb
Enc.
910z 1 1 130
f AI51UH

Permit Number SW8161011
Program Category
State SW
Permit Type
State Stormwater
Primary Reviewer
kelly.johnson
Coastal SWRule
Coastal Stormwater 2008
Permitted Flow
Facility
Facility Name
Deer Crossing Phase 3
Location Address
Deer Hill Rd
Wilmington
Owner
NC 28412
Central Files: APS _ SWP
1 /19/2017
Permit Tracking Slip
Status
Project Type
Active
New Project
Version
Permit Classification
1.00
Individual
Permit Contact Affiliation
Major/Minor Region
Minor Wilmington
County
New Hanover
Facility Contact Affiliation
Owner Name Owner Type
Lumina Realty of North Carolina LLC Non -Government
Owner Affiliation
Wilson Ki
1804 Martin Luther King Pkwy #209
Dates/Events Durham NC 27707
Scheduled
Orig Issue App Received Draft Initiated Issuance Public Notice Issue Effective Expiration
1 /18/2017 10/11 /2016 1 /18/2017 1/18/2017 1 /18/2025
Regulated Activities Requested /Received Events
State Stormwater - HD - Infiltration Deed restriction requested
Deed restriction received
Additional information requested 12/13/16
Additional information received 1/13117
Outfall
Waterbody Name Streamindex Number Current Class Subbasin

Carrep,leteness R"iew Checklist
Project Name: . 9-02 s'i,` 44c-,,,,,` 3 Received Date: oa
Project Location: 0 Accepted Date: -If
Rule(s) 08 Coastal E-11995 Coastal MPhase II (WiRO.) Universal E11988 Coastal
Type of Perm' : Ne_ or Mod or PR Existing Permit # (Mod or PR): nPE Cert on File?
1
Density( HD-) or LD Type: Commercial or Residential NCO:
%: �(% OK? Stream Class: �SA Map �Offsite to SW8
Subdivided?: Subdivision or Single Lot MORW Map MExem.pt
Paper rk Emaiied Engineer on:
upplement(s) (1. riginal per BMP) BMP Type(s):
5
with correct/original signatures (1 original per BMP except LS/VFS and swales)
pplication with correct/original signatures eed
Corp or LLC: Sig. Auth. Der SoS or letter Mfmail Address:
rD.,-I&D5 (within 6mo) ail Address:
Design Engineer
Owner
LA
OHS Report with SHWT Note to Reviewer:
f][C'al'culations (signed/sealed) Nz'k'
MNo obvious errors
MDensi v includes common areas. etc
6
reed Restrictions, if subdivided:
&-e 3 ZZT li d
r1S,ln-ed & Notarized
L:3%-U11C1-L icniuiaLe t;.omm/Kes &(HLWLU) or UeC covenants & Rest
E
ans
5���ry.�,`�
Sets Details (roads, cul-de-sacs, curbs, sidewalks. BMPs, Buildings, etc)
adi g Wetlands: Delineated or No We11-�klands
r
cinity Map lout (proposed BUA dimensions)
EKegend []-QA.-Kaps oject Boundaries
5lnfiltratio
oils Report
SHWT:
Bottom:
Visited:
Ad—ditfcnal Information:
BUA (sf)
DA (sf)
PP (el)
SHWT (el)
Depth (ft)
SA (sf)
Wet Pond
Soils Report
SHWT:
PP:
Offsite
�PE Cert for Master
Deed Rest for Master
BUA Permitted (Master):
BUA Proposed (Offsite):
Lot #:
Lot # Matches Master
rermittea Proposed: Proposed: Proposed:
I
d
sf
sf

STATE OF NORTH CAROLINA
Department of Environmental Quality
127 Cardinal Drive Extension
Wilmington, North Carolina 28405
[phone]
FILE ACCESS RECORD
DEQ SECTION: b L'. T J 5 REVIEW TEME / DATE: R I Q 11I K"TiP Y
NAME: C A (A tj EMAIL: p &K QC F C N ..U11h
REPRESENTING: CL-R PHONE: °i l t ^ 47
Guidelines for Access: The staff of Wilmington Regional Office is dedicated to making public records in our custody
readily available to the public for review and copying. We also have the responsibility to the public to safeguard these
records and to carryout our day-to-day program obligations. Please read carefully the following guidelines signing the
form:
1. Due to the large public demand for file access, we request that you call at least a day in advance to schedule
an appointment to review the files. Appointments will be scheduled between 9:00am and 3:OOpm
Viewing time ends at 4:45pm. Anyone arriving without an appointment may view the files to the extent
that time and staff supervision is available.
2.
4
5
2. You must specify files you want to review by facility name. The number of files that you may review at one
time will be limited to five.
3. You may make copies of a file when the copier is not in use by the staff and if time permits. Cost per copy is
$.05 cents. Payment may be made bv check, money order, or cash at the reception desk
4. FILES MUST BE KEPT IN ORDER YOU FOUND THEM. Files may not be taken from the office. To
remove, alter, deface, mutilate, or destroy material in one of these files is a misdemeanor for which you can
be fined up to $500.00. No briefcases, large totes, etc. are permitted in the file review area
Necessary large plan copies can be scheduled with [e-mail] 919-796-7475 for a later
date/time at an offsite location at your expense. Large plan copies needed should be attached on top of the
file.Allways Graphics can be contacted to set up payment options Written Questions may be left with
this completed form and sfaFf meii�ber will be in contact with you. IF you provide. your contact
infox�atioo where inilicat'ed above.
6. In accordance with General Statue 25-3-512, a $25.00 processing fee will be charged and collected for checks
on which payment has been refused.
FACILITY NAME COUNTY
fd:1k:6!x4,-gP_ lcced-
Signature and Name of Firm/Business
COPIES MADE 13 PAID
a
ate Time In
INVOICE
Time Out
0:/ADM/Shared/File Review Access Form rev 2018

STATE OF NORTH CAROLINA, )(Department of Environmental Quality,
127 Cardinal Drive. Extension, Wilmington, North Carolina 25405 [phone]
FI LRAcCC ESS RECORD
k I n��f`1
DEQ SECTION: l'+�:•h, 6't��< ;F °C� `�' VIEW TIME /DATE
NAME: l fw 0V_ EMAIL:
REPRESENTING: -c Lp, l PHONE:
Guidelines for Access: The staff of Wilmington Regional Office is dedicated to making public records in our custody readily
available to the public for review and copying. We also have the responsibility to the public to safeguard these records and to carry
out our day-to-day program obligations. Please read carefully the following guidelines signing the form:
1. Due to the large public demand for file access, we request that you call at least a day in advance to schedule an
appointment to review the files. Appointments will be scheduled between 9:00am and 3.00pm Viewing time ends at
4:45pm. Anyone arriving without an appointment may view the files to the extent that time and staff supervision
is available.
2. You must specify files you want to review by facility name. The number of files that you may review at one time will
be limited to five.
3.�.
4.
N
You may make copies of a file when the copier is not in use by the staff and if time permits. Cost per copy is $.05 cents.
Payment may be made by check, money order, or cash at the reception desk.
FILES MUST BE KEPT IN ORDER YOU FOUND THEM. Files may not be taken from the office. To remove,
alter, deface, mutilate, or destroy material in one of these files is a misdemeanor for which you can be fined up to
$500.00. No briefcases, large totes, etc. are permitted in the file review area.
6. ,.: ;Necessary large plan copies can be scheduled with Cameron.Weaver tncdenr.gov 919-796-7475 for a later date/time at
an offske location at your expense. Large plan copies needed should be attached on top of the file. Allways Graphics
can be contacted to set up payment options Wiitten questions.-mayb. left with this IcQgnp1eied foram and a staff
member wtll be in contact wpth.you TF'you rgvide yq r_contact fi1o'rmatign where andre ted above.
7. In accordance with General Statue 25-3-51.2, a $25.00 processing fee will be charged and collected for checks on which
payment has been refused.
FACILITY NAME
1. owN5
2. 6W25k(_010 1
4.
5.
Signature and Name of Firm/Business
COPIES MADE PAID
Date MM/DD/YY Time In
INVOICE
COUNTY
Time Out
G:/ADM/Shared/File Review Access Form rev 2018