SW4220201_Design Calculations_20230103 (3)

2212045 SCM4 Calculation_121222 Type 1124-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
H droCAD(t:, 1020-2 s/n 09581 ©2022 H droCAD Software Solutions LLC Page 16
Summary for Subcatchment 2: POST -DEVELOPMENT
Runoff = 14.05 cfs @ 11.96 hrs, Volume= 0.739 af, Depth> 4.26"
Routed to Pond 3 : SCM #4
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 10-yr Rainfall=4.88"
Area (ac) CN Description
2.080 98 Paved roads w/curbs & sewers. HSG B
2.080 100.00% Impervious Area
Tc Length Slope Velocity Capacity Description
min (feet) ft/ft) ftJsec (cfs)
6.0 Direct Entry,
Subcatchment 2: POST -DEVELOPMENT
Hydrograph
1 Runolf
14 Type II 24-hr
13 10-yr Rainfall=4.88"
12-
11 Runoff Area=2.080 ac
Runoff Volume=0.739 of
F 9-
Runoff Depth>4.26'"
B
LL 7 Tc=6.0 m i n
6- GN=:98
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

2212045 SCM4 Calculation_121222 Type 1124-hr 90-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
H droCADOH10.20-2a s/n 09581 ©2022 H droCAD Software Solutions LLC Paae 17
Summary for Pond 3: SCM #4
Inflow Area = 2.080 ac,100.00% Impervious, Inflow Depth > 4.26" for 10-yr event
Inflow = 14.05 cfs @ 11.96 hrs, Volume= 0.739 of
Outflow = 1.24 cfs @ 12.44 hrs, Volume= 0.388 af, Atten= 91 %, Lag= 28.8 min
Primary = 1.24 cfs @ 12.44 hrs, Volume= 0.388 of
Routing by Stor-Ind methad. Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 794.48' @ 12.44 hrs Surf.Area= 8,474 sf Storage= 18,775 cf
Plug -Flow detention time=194.7 min calculated for 0.388 of (53% of inflow)
Center -of -Mass det. time= 108.3 min ( 838.5 - 730.2 )
Volume
Invert
Avail.Storaae
Storage Description
#1
780.63'
15,924 cf
Custom Stage Data (Prismatic)Listed below (Recalc)
#2A
790.64'
2,440 cf
25.25'W x 96.18'L x 3.75'H STONE
9,107 cf Overall - 3,006 cf Embedded = 6,101 cf x 40.0% Voids
#3A
791.39'
3,006 cf
ADS DC-780 +Capx 65 Inside #2
_StormTech
Effective Size= 45.4"W x 30.0"H => 6.49 sf x 7.12'L = 46.2 cf
Overall Size= 51.0"W x 30.0"H x 7.56'L with 0.44' Overlap
65 Chambers in 5 Rows
21,370 cf Total Available Storage
Storage Group A created with Chamber Wizard

2212045 SCM4 Calculation_121222 Type 1124-hr 90-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
HvdroCAD® 10.20-2 s/n 09581 © 2022 HvdroCAD Software Solutions LLC Page 18
Elevation
Surf.Area
Inc.Store
Cum.Store
feet
(sa-ft)
(cubic -feet)
cubic -feet)
780.63
0
0
0
780.72
93
4
4
790.81
185
1,403
1,407
790.89
278
19
1,425
790.97
371
26
1,451
791.06
463
38
1,489
791.14
556
41
1,529
791.22
649
48
1,578
791.31
741
63
1,640
791.39
834
63
1,703
791.47
1,013
74
1,777
791.56
1,191
99
1,876
791.64
1,368
102
1,979
791.72
1,544
116
2,095
791.81
1,719
147
2,242
791.89
1,893
144
2,386
791.97
2,066
158
2,545
792.06
2,237
194
2,738
792.14
2,408
186
2,924
792.22
2,577
199
3,124
792.31
2,744
239
3,363
792.39
2,910
226
3,589
792.47
3,074
239
3,829
792.56
3,236
284
4,113
792.64
3,397
265
4,378
792.72
3,555
278
4,656
792.81
3,711
327
4,983
792.89
3,865
303
5,286
792.97
4,016
315
5,601
793.06
4,165
368
5,969
793.14
4,310
339
6,308
793.22
4,451
350
6,659
793.31
4,589
407
7,066
793.39
4,724
373
7,438
793.47
4,853
383
7,821
793.56
4,977
442
8,264
793.64
5,093
403
8,666
793.72
5,197
412
9,078
793.81
5,296
472
9,550
793.89
5,391
427
9,978
793.97
5,483
435
10,413
794.06
5,576
498
10,910
794.14
5,669
450
11,360
794.22
5,761
457
11,817
794.31
5,854
523
12,340
794.39
5,947
472
12,812
794.47
6,039
479
13,291
794.56
6,132
548
13,839
794.64
6,225
494
14,333
794.72
6,317
502
14,835

2212045 SCM4 Calculation_121222 Type 1124-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
HvdroCADq10.20-2a s/n 09581 © 2022 HvdroCAD Software Solutions LLC Page 19
794.81 6,410 573 15,408
794.89 6,503 517 15,924
Device Routing Invert Outlet Devices
#1 Primary 788.97' 24.0" Round BF4 TO DMH8 L= 105.4' Ke= 0.500
Inlet / Outlet Invert= 788.97' / 787.92' S= 0.0100'/' Cc= 0.900
n= 0.013 Concrete sewer w/manholes & inlets, Flow Area= 3.14 sf
#2 Device 1 788.97' 2.3" Vert. EQUIVALENT ORIFICE C= 0.600
Limited to weir flow at low heads
#3 Device 1 794.22' 2.5' long x 0.5' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00
Coef. (English) 2.80 2.92 3.08 3.30 3.32
Primary OutFlow Max=1.24 cfs @ 12.44 hrs HW=794.48' (Free Discharge)
LI=BF4 TO ❑MH8 (Passes 1.24 cfs of 32.08 cfs potential flow)
�2=EQU IVALE NT
ORIFICE (Orifice Controls 0.32 cfs a@ 11.20 fps)
3=Broad-Crested Rectangular Weir(Weir Controls 0.92 cfs @ 1.43 fps)
Pond 3: SCM #4
Hydrograph
Inflow
Primary
15- Inflow Area=2.080 ac
14
13- Peak Elev=794.48'
12-
11. Storage=18,775 cf
70-
in 9
w
u
3
0 7
LL
T7-
5-
4-
3
1-`
o ! ..r
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

2212045_SCM4 Calculation_121222 Type 1124-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
H droCAl7CR. 10.20-2 s/n 09581 © 2022 H droCA❑ Software Solutions LLC Pape 20
Elevation
Storage
feet
cubic -feet
780.63
0
780.73
5
780.83
14
780.93
24
781.03
33
781.13
43
781.23
53
781.33
63
781.43
73
781.53
83
781.63
93
781.73
103
781.83
113
781.93
123
782.03
134
782.13
144
782.23
155
782.33
166
782.43
177
782.53
187
782.63
198
782.73
210
782.83
221
782.93
232
783.03
243
783.13
255
783.23
266
783.33
278
783.43
290
783.53
302
783.63
313
783.73
325
783.83
338
783.93
350
784.03
362
784.13
374
784.23
387
784.33
399
784.43
412
784.53
425
784.63
438
784.73
450
784.83
463
784.93
477
785.03
490
785.13
503
785.23
516
785.33
530
785.43
543
785.53
557
785.63
571
785.73
585
Stage -Area -Storage for Pond 3: SCM #4
Elevation
Storage
feet
cubic -feet
785.83
598
785.93
612
786.03
627
786.13
641
786.23
655
786.33
669
786.43
684
786.53
698
786.63
713
786.73
728
786.83
743
786.93
758
787.03
773
787.13
788
787.23
803
787.33
818
787.43
833
787.53
849
787.63
864
787.73
880
787.83
896
787.93
912
788.03
928
788.13
944
788.23
960
788.33
976
788.43
992
788.53
1,009
788.63
1,025
788.73
1,042
788.83
1,058
788.93
1,075
789.03
1,092
789.13
1,109
789.23
1,126
789.33
1,143
789.43
1,160
789.53
1,177
789.63
1,195
789.73
1,212
789.83
1,230
789.93
1,247
790.03
1,265
790.13
1,283
790.23
1,301
790.33
1,319
790.43
1,337
790.53
1,355
790.63
1,374
790.73
1,479
790.83
1,595
790.93
1,719
Elevation
Storage
feet
cubic -feel
791.03
1,854
791.13
2,000
791.23
2,157
791.33
2,326
791.43
2,548
791.53
2,852
791.63
3,176
791.73
3,521
791.83
3,884
791.93
4,267
792.03
4,669
792.13
5,089
792.23
5,529
792.33
5,985
792.43
6,459
792.53
6,951
792.63
7,459
792.73
7,984
792.83
8,524
792.93
9,079
793.03
9,648
793.13
10,230
793.23
10,825
793.33
11,431
793.43
12,047
793.53
12,672
793.63
13,299
793.73
13,927
793.83
14,557
793.93
15,193
794.03
15,840
794.13
16,497
794.23
17,165
794.33
17,845
794.43
18,497
794.53
19,102
794.63
19,717
794.73
20,344
794.83
20,982

//ADS,.
Project Name: Hanes Lake Phase 2 Date
Location: Winston-Salem, NC
Site Designation: SCM-5
SITE CONDITIONS
Rainfall Depth
1
in
Impervious Acreage
2.84
ac
Total Acreage
7.39
ac
Time of Concentration
6
min
1
38.4
%
R,(Runoff Coefficient)
0.40
WQv
10620
cf
75% WQv (Treatment Volume)
7965
cf
q„ (Unit Peak Discharge)
1000
csm/in From Type II Chart
QP(Water Quality Storm)
4.57
cfs
VOLUME BASED SIZING
Volume per cartridge
1250
CF
Cartridge Type
522
Min. Number of cartridge required
7
Cartridge Flow rate
11.25
gpm (0.25 gpm/SF)
System Flow Rate
0.18
cfs
Release time
12.6
hours
SEDIMENT BASED SIZING
Influent Concentration
60
mg/L
Annual Rainfall (P)
45
in
Annual Sediment Load
1607
Ibs
Pretreatment reduction
30%
Sediment Load to BayFilter
1125
Ibs
85% Capture Capacity
956
Ibs
Cartridge Type
522
Sediment load per cartridge
131
Ibs
Tyr'
Min. Number of cartridge required
8
Anticipated Maintenance Cycle
1.10
years (must be greater than 1 year)
FINAL DESIGN
Cartridge Type
522
Number of Cartridges
8
y f n S / x 1.7
Precast Size
6'x14'
approx outlet orifice 3.06 in
12/13/2022

Project: Hanes Lake Phase 2 SCM5
144
StvrmTech-
Chamber Model -
112-3509
Units-
imperial
cw rmct Trees 4J."i-f MIMES
Number of Chambers -
93
Number of End Caps -
20
Voids in the stone (porosity) -
40
%
Base of Stone Elevation -
789.33
ft it dudr re Teter mroa [alcwannns
Amount of Stone Above Chambers -
12
in
Amount of Stone Below Chambers -
9
in
Amount of Stone Between Chambers -
6
in
Area of system -
585i
sf Min. Area - 4935 sf min. area
Height of
System
inches
Incremental Single
Chamber
tubrc fee0
Incremental
Single End Cap
(cubic feeF
Incremental
Chambers
fcub c lest
lncramenla!
F� d Cap
cu6rC feeF1
Inaremerttal
Stone
eu6ie feet;(cubic
Incmms3mnl Ch-
EC and Stone
CumulativjElevatron,
System
(eubio feel)
[feat)
66 0.00
0.00
113 011.1
0.00
i95-03
195.03
"-
65 0.00
0.00
0.00
0.00
195.03
195.03
18991.69
794.76
64 0.00
0.00
0.00
0.00
195.03
195.03
18796.66
794.67
63 0.00
0.00
0.00
0.00
195.03
195.03
18601.63
794.59
62 0.00
0.00
0.00
0.00
195.03
195.03
18406.59
794.51
61 0.00
0.00
0.00
0.00
195.03
195.03
18211.56
794.42
60 0.00
0.00
0.00
0.00
195.03
195.03
18016.53
794.34
59 0.00
0.00
0.00
0.00
195.03
195.03
17821.49
794.26
58 0.00
0.00
0.00
0.00
195.03
195.03
17626.46
794.17
57 0.00
0.00
0.00
0.00
195.03
195.03
17431.43
794.09
56 0.00
0.00
0.00
0.00
195.03
195.03
17236.39
794.01
55 0.00
0.00
0.00
0.00
195.03
195.03
17041.36
793.92
54 0.06
0.00
5.40
0.00
192.87
198.27
16946.33
793.84
53 0.19
0.02
18.05
0.48
187.62
206.15
16648.05
793.76
52 0.29
0.04
27.34
0.75
183.80
211.89
16441.90
793.67
51 0.40
0.05
37.54
1.03
179.61
218.18
16230.01
793.59
50 0.69
0.07
63.91
1.35
168.93
234.19
16011.84
793.51
49 1.03
0.09
95.63
1.76
156.07
253.47
15777.65
793.42
48 1.25
0.11
116.21
2.14
147.69
266.04
15524.18
793.34
47 1.42
0.13
132.27
2.53
141.12
275.91
15258.13
793.26
46 157
0.14
146.30
2.89
135.36
284.55
14982.22
793.17
45 1.71
0.16
158.77
3.26
130.22
29225
14697.68
793.09
44 1.83
0.18
170.05
3.63
125.56
299.24
14405.43
793.01
43 1.94
0.20
180.21
4.01
121.34
305.57
14106.19
792.92
42 2.04
0.22
189-80
4-37
117.37
311.53
13800.62
792.84
41 2.13
0.23
198.53
4.70
113.74
316.97
13489.09
792.76
40 2.22
0.25
206.85
5.01
110.29
322.15
13172.12
792.67
39 2.31
0.27
214.53
5.31
107.10
326.94
12849.97
792.59
38 2.38
0.28
221.78
5.60
104.08
331.46
12523.03
792.51
37 2.46
0.29
226.70
5.88
101.20
335.78
12191.57
792.42
36 2.53
0.31
235.12
6.16
98.52
339.80
11855.79
792.34
35 2.59
0.32
241.22
642
95.98
343.62
11515.99
792.26
34 2.66
0.33
247.01
6.69
93.55
347.25
11172.37
792.17
33 2.72
0.35
252.50
6.94
91.26
350.70
10825.12
792.09
32 2.77
0.36
257.73
7.20
89.06
353.99
10474.42
792.01
31 2.82
0.37
262.69
7.45
86.98
357.12
10120.42
791.92
30 2.88
0.38
267.42
7.69
84.99
360.10
9763.31
791.84
29 2.92
0.40
271.94
7.92
83.09
362.95
9403.21
791.76
28 2.97
0.41
276.20
8.15
81.29
365.64
9040.26
791.67
27 3.01
0.42
280.16
8.37
79.62
368.15
8674.62
791.59
26 3.05
0.43
283.95
8.59
78.01
370.56
8306.46
791.51
25 3.09
0.44
287.77
8.81
76.40
372.98
7935.90
79142
24 3.13
0.45
291.14
9.02
74.97
375.13
7562.92
791.34
23 3.17
0.46
294.41
9.22
73.58
377.21
7187.80
791.26
22 3.20
0.47
297.55
9.41
72.25
379.21
6810.59
791.17
21 3.23
0.48
300.49
9.60
71.00
381.09
6431.38
791.09
20 3.26
0.49
303.31
9.78
69.80
382.89
6050.29
791.01
19 3.29
0.50
305.99
9.96
68.65
384.61
5667.40
790.92
18 3.32
0.51
308.57
10.13
67.55
386.25
5282.79
790.84
17 3.34
0.51
311.00
10.29
66.52
387.81
4896.54
790.76
16 3.37
0.52
313.28
10.44
65.54
389.27
4508.73
790.67
15 3.39
0.53
315.50
10.59
64.60
390.69
4119.46
790.59
14 3.41
0.54
317.55
10.73
63.72
392.00
3728.77
790.51
13 3.44
0.54
319.64
10.86
62.83
393.34
3336.77
790.42
12 3.46
0.55
321.57
10.99
62.01
394.57
2943.43
790.34
11 3.48
0.56
323.52
11.10
61.18
395.81
2548.86
790.26
10 3.51
0.59
325.97
11.90
59.88
397.76
2153.06
790.17
9 0.00
0.00
0.00
0.00
195.03
195.03
1755.30
790.09
8 0.00
0.00
0.00
0.00
195.03
195.03
1560.27
790.01
7 0.00
0.00
0.00
0.00
195.03
195.03
1365.23
789.92
6 0.00
0.00
0.00
0.00
195.03
195.03
1170.20
789.84
5 0.00
0.00
0.00
0.00
195.03
195.03
975.17
789.76
4 0.00
0.00
0.00
0.00
195.03
195.03
780.13
789.67
3 0.00
0.00
0.00
0.00
195.03
195.03
585.10
789.59
2 0.00
0.00
0.00
0.00
195.03
195.03
390.07
789.51
1 000
0.00
0.00
0.00
19503
195.03
195.03
789.42
WQv = 7965 cf
WQv elevation achieved at 791.43

BAYSAVER
TECHNOLOGIES®
MKTG0013A#
Please email this form and any drawings to [e-mail]
Phone 800-BAYSAVER (800.229.7283) Fax [phone]

LaBeLLa
Powered by partnership.
SGl��
lVL--
lz
D/4-=
j TA:-Ir
�7 3114W-
,Dv-.;: 34;,30
PROJECT
PROJECT NO.
SUBJECT
CHECKED BY
.?o
DV = I06Z-3
715 r/ VAI v T zf--
A151 f
�05 T DC-V& tout � r
Torn va�Ivmc
SHEET OF
CALL. BY DATE
SCALE

Hanes Lake Phase 2
s CM ##5
PRE -DEVELOPMENT POST-DEV LOPMENT
3
SCM #5
oSubcat Reach an Llnk

2212045 SCM5 Calculation_121222 Table of Contents
Prepared by Labella Associates Printed 12/14/2022
H drnCAD®10.20-2 s/n 09581 ©2022 HvdroCAD Software Solutions LLC
TABLE OF CONTENTS
Pro'ect Reports
1 Routing Diagram
2 Rainfall Events Listing (selected events)
3 Area Listing (all nodes)
4 Soil Listing (all nodes)
5 Ground Covers (all nodes)
6 Pipe Listing (all nodes)
2-vr Event
7 Node Listing
8 Subcat 1: PRE -DEVELOPMENT
9 Subcat 2: POST -DEVELOPMENT
10 Pond 3: SCM #5
10-vr Event
- 15 Node Listing
16 Subcat 1: PRE -DEVELOPMENT
17 Subcat 2: POST -DEVELOPMENT
18 Pond 3: SCM #5

2212045 SCM5 Calculation_121222
Prepared by Labella Associates Printed 12/14/2022
H droCAD® 10.20-2 s/n 09581 © 2022 H droCAD Software Solutions LLC Page 2
Rainfall Events Listing (selected events)
Event# Event Storm Type Curve Mode Duration B/B Depth AMC
Name (hours) (inches)
1 2-yr Type II 24-hr Default 24.00 1 3.38 2
2 10-yr Type If 24-hr Default 24.00 1 4.88 2

2212045_SCM5 Calculation_121222
Prepared by Labella Associates Printed 12/14/2022
H droCADQ 10.20-2 s/n 09581 © 2022 H droCAD Software Solutions LLC Page 3
Area Listing (all nodes)
Area CN Description
(acres) (subcatchment-numbers)
7.390 61 >75% Grass cover, Good, HSG B (1)
2.840 98 Paved roads w/curbs & sewers, HSG B (2)

2212045 SCM5 Calculation121222
Prepared by Labella Associates_
H draCADG 10.20-2 sln 09581 © 2022 Fi droCAD Software Sofutions LLC
Soil Listing (all nodes)
Area
Soil Subcatchment
(acres)
Group Numbers
0.000
HSG A
10.230
HSG B 1,2
0.000
HSG C
0.000
HSG D
0.000
Other
Printed 12/14/2022
Page 4

2212045 SCM5 Calculation_121222
Prepared by Labella Associates Printed 12/14/2022
H droCADC7 10.20-2a s/n 09581 © 2022 HvdroCAD Software Solutions LLC Page 5
Ground Covers (all nodes)
HSG-A
HSG-B
HSG-C
HSG-D Other Total
Ground
Subcatchme
(acres)
(acres)
(acres)
(acres) (acres) (acres)
Cover
Numbers
0.000
7.390
0.000
0.000 0.000 7.390
>75% Grass cover, Good
1
0.000
2.840
0.000
0.000 0.000 2.840
Paved roads w/curbs & sewers
2

2212045 SCM5 Calculation_121222
Prepared by Labella Associates
t droCADG 10.20-2 s/n 09581 D 2022 H draCAD Software Solutions LLC
Pipe Listing (all nodes)
Line# Node In -Invert Out -Invert Length Slope n Width
Number (feet) (feet) (feet) (ft/ft) (inches)
1 3 787.67 787.57 10.0 0.0100 0.013 0.0
Printed 12/14/2022
Facie 6
Diam/Height Inside -Fill
(inches) (inches)
24.0 0.0

2212045 SCM5 Calculation_121222 Type 1124-hr 2-yr Rainfall=3.38"
Prepared by Labella Associates Printed 12/14/2022
HvdroCAD® 10.20-2 s/n 09581 © 2022 H droCAD Software Solutions LLC Page 7
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind method - Pond routing by Stor-Ind method
Subcatchment1: PRE -DEVELOPMENT Runoff Area=7.390 ac 0.00% Impervious Runoff Depth>0.45"
Flow Length=897' Tc=13.9 min CN=61 Runoff=3.81 cfs 0.276 of
Subcatchment2: POST -DEVELOPMENT Runoff Area=2.840 ac 100.00% Impervious Runoff Depth>2.91"
Tc=6.0 min CN=98 Runoff=13.21 cfs 0.688 of
Pond 3: SCM #5 Peak Elev=791.51' Storage=15,765 cf Inflow=13.21 cfs 0.688 of
Outflow=0.65 cfs 0.460 of

2212045 SCM5 Calculation_121222 Type/1 24-hr 2-yr Rainfall=3.38"
Prepared by Labella Associates Printed 12/14/2022
HydroCADCR 10 20-29 s/n 09581 ©2022 HvdroCAD Software Solutions LLC Page 8
Summary for Subcatchment 1: PRE -DEVELOPMENT
Runoff = 3.81 cfs @ 12.09 hrs, Volume= 0.276 af, Depth> 0.45"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 2-yr Rainfall=3.38"
Area (ac) CN Description
7.390 61 >75% Grass cover, Good, HSG B
7.390 100.00% Pervious Area
Tc
Length
Slope
Velocity
Capacity Description
(min)
(feet)
ft/ft)
(ftlsec)
(cfs
10.3
100
0.0415
0.16
Sheet Flow, Sheet Flow
Grass: Dense n= 0.240 P2= 3.41"
3.6
797
0.0600
3.67
Shallow Concentrated Flow, Shallow Concentrated
Grassed Waterway Kv= 15.0 fps
13.9 897 Total
Subcatchment 1: PRE -DEVELOPMENT
Hydrograph
` ❑Runoff
3 61 rfs
Type II 24-hr
2-yr Rainfall=3.38"
3- Runoff Area=7.390 ac
Runoff Volume=0.276 of
Runoff Depth>0.45"
.2 2 Flow Length=897'
U.
Tc=13.9 min
CN=61
1-
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

22120451
SCM5 Calculation_121222
Prepared by Labella Associates TYPe /! 24-hr 2-yr Rainfall=3.38"
H droCAD® 10-2n-2 s/n a9581 © 2022 F# droCA❑ Software Solutions LLC Printed 12/14/2022
Page 9
Summary for Subcatchment 2: POST -DEVELOPMENT
Runoff = 13.21 cfs @ 11.96 hrs, Volume= 0.688 af, Deth> 2.91"
Routed to Pond 3 : SCM #5 p
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 2-yr Rainfall=3.38"
Area (ac) CN Descri tion
2.840 98 Paved roads w/curbs &sewers, HSG B
2.840 100.00% Impervious Area
Tc Length Slope Velocity Capacity Description
min(feet) (ft/ft ft/sec (cfs
6.0 Direct Entry,
Subcatchment 2: POST -DEVELOPMENT
Hydrograph
14
73
321 rrs
72_ Type II 24-hr
11- 2-yr Rainfall=3.38"
10 Runoff Area=2.840 ac
H
Runoff Volume=0.688 of
u 8
0 7_ r Runoff Depth>2.91"
U.
= Tc=6.0 min
5 CN=98
3
T
0
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
1 Runoff

2212045 SCM5 Calculation_121222 Type 1124-hr 2-yr Rainfall=3.38"
Prepared by Labella Associates Printed 12/14/2022
HvdroCAD® 10.20-2 s/n 09581 © 2022 HvdroCAD Software Solutions LLC Pa e 10
Summary for Pond 3: SCM #5
Inflow Area = 2.840 ac,100.00% Impervious, Inflow Depth > 2.91" for 2-yr event
Inflow = 13.21 cfs @ 11.96 hrs, Volume= 0.688 of
Outflow = 0.65 cfs @ 12.97 hrs, Volume= 0.460 af, Atten= 95%, Lag= 60.6 min
Primary = 0.65 cfs @ 12.97 hrs, Volume= 0.460 of
Routing by Stor-Ind method. Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 791.51' @ 12.97 hrs Surf.Area= 5,014 sf Storage= 15,765 cf
Plug -Flow detention time=171.0 min calculated for 0.458 of (67% of inflow)
Center -of -Mass det. time= 102.7 min ( 835.4 - 732.7 )
Volume
Invert
Avail.Stora e
Storage Description
#1
789.42'
19,187 of
Custom Stage DataListed below
#2A
789.34'
6,998 cf
44.25'W x 113.32'L x 5.50'H STONE
27,578 cf Overall - 10,083 cf Embedded = 17,496 cf x 40.0% Voids
#3A
790.09'
10,083 cf
ADS_StormTech MC-3500 c +Capx 90 Inside #2
Effective Size= 70.4"W x 45.0"H => 15.33 sf x 7.17'L = 110.0 cf
Overall Size= 77.0"W x 45.0"H x 7.50'L with 0.33' Overlap
90 Chambers in 6 Rows
CaD Stora e= 15.6 cf x 2 x 6 rows = 187.2 cf
36,268 cf
Total Available Storage
Storage Group A created with Chamber Wizard

2212045 SCM5 Calculation_121222 Type // 24-hr 2-yr Rainfall=3.38"
Prepared by Labella Associates Printed 12/14/2022
H droCADO7 10.20-2 s/n 09581 © 2022 H droCAD Software Solutions LLC Page 11
Elevation Cum.Store
Feet
cubic -feet
789.42
0
789.51
390
789.59
585
789.67
780
789.76
975
789.84
1,170
789.92
1,365
790.01
1,560
790.09
1,755
790.17
2,153
790.26
2,549
790.34
2,943
790.42
3,337
790.51
3,729
790.59
4,119
790.67
4,509
790.76
4,897
790.84
5,283
790.92
5,667
791.01
6,050
791.09
6,431
791.17
6,811
791.26
7,188
791.34
7,563
791.42
7,936
791.51
8,306
791.59
8,675
791.67
9,040
791.76
9,403
791.84
9,763
791.92
10,120
792.01
10,474
792.09
10,825
792.17
11,172
792.26
11,516
792.34
11,856
792.42
12,192
792.51
12,523
792.59
12,850
792.67
13,172
792.76
13,489
792.84
13,801
792.92
14,106
793.01
14,405
793.09
14,698
793.17
14,982
793.26
15,258
793.34
15,524
793.42
15,778
793.51
16,012

2212045 SCM5 Calculation_121222 Type // 24-hr 2-yr Rainfall=3.38"
Prepared by Labella Associates Printed 12/14/2022
H droCAD® 10.20-2a s/n 09581 a 2022 H droCAD Software Solutions LLC Pacie 12
793.59
16,230
793.67
16,442
793.76
16,648
793.84
16,846
793.92
17,041
794.01
17,236
794.09
17,431
794.17
17,626
794.26
17,821
794.34
18,017
794.42
18,212
794.51
18,407
794.59
18,602
794.67
18,797
794.76
18,992
794.84
19,187
Device Routing Invert Outlet Devices
#1 Primary 787.67' 24.0" Round BF5 TO DMH10 L= 10.0' Ke= 0.500
Inlet / Outlet Invert= 787.67' / 787.57' S= 0.0100'/' Cc= 0.900
n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.14 sf
#2 Device 1 787.67' 3.1" Vert. EQUIVALENT ORIFICE C= 0.600
Limited to weir flow at low heads
#3 Device 1 791.43' 2.5' long x 0.5' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00
Coef. (English) 2.80 2.92 3.08 3.30 3.32
Primary OutFlow Max=0.65 cfs @ 12.97 hrs HW=791.51' (Free Discharge)
Z1=EQUIVALENT
F5 TO DMH10 (Passes 0.65 cfs of 25.50 cfs potential flow)
ORIFICE (Orifice Controls 0.49 cfs @ 9.28 fps)
=Broad -Crested Rectangular Weir (Weir Controls 0.16 cfs @ 0.80 fps)

2212045 SCM5 Calculation_121222 Type 1124-hr 2-yr Rainfall=3.38"
Prepared by Labella Associates Printed 12/14/2022
HvdroCADO 1020-2 s/n 09581 ©2022 H droCAD Software Solutions LLC Page 13
w
3
0
U-
Pond 3: SCM #5
Hydrograph
14 Inflow Area=2.840 ac
13
Peak Elev=791.51'
Storage=15,765 cf
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
■ Inflow
® Primary

2212045 SCM5 Calculation_121222 Type // 24-hr 2-yr Rainfall=3.38"
Prepared by Labella Associates Printed 12/14/2022
HydreCADO 10 20-2q s/n 09581 ©2022 H droCAD Software Solutions LLC Page 14
Elevation
(feet)
789.34
789.39
789.44
789.49
789.54
789.59
789.64
789.69
789.74
789.79
789.84
789.89
789.94
789.99
790.04
790.09
790.14
790.19
790.24
790.29
790.34
790.39
790.44
790.49
790.54
790.59
790.64
790.69
790.74
790.79
790.84
790.89
790.94
790.99
791.04
791.09
791.14
791.19
791.24
791.29
791.34
791.39
791.44
791.49
791.54
791.59
791.64
791.69
791.74
791.79
791.84
791.89
Storage
cubic -feet)
0
100
287
604
864
1,086
1,309
1,525
1,734
1,951
2,173
2,395
2,612
2,820
3,037
3,259
3,724
4,177
4,612
5,062
5,523
5,983
6,431
6,862
7,308
7,764
8,219
8,663
9,089
9,531
9,982
10,431
10,868
11,289
11,725
12,169
12,613
13,045
13,459
13,888
14,326
14,761
15,186
15,592
16,013
16,443
16,870
17,285
17,683
18,095
18,515
18,932
Stage -Area -Storage for Pond 3: SCM #5
Elevation
Storage
(feet)
cubic -feet
791.94
19,337
791.99
19,726
792.04
20,127
792.09
20,536
792.14
20,941
792.19
21,335
792.24
21,712
792.29
22,101
792.34
22,497
792.39
22,888
792.44
23,269
792.49
23,631
792.54
24,005
792.59
24,385
792.64
24,761
792.69
25,125
792.74
25,472
792.79
25,828
792.84
26,190
792.89
26,545
792.94
26,889
792.99
27,216
793.04
27,550
793.09
27,889
793.14
28,220
793.19
28,538
793.24
28,838
793.29
29,143
793.34
29,449
793.39
29,742
793.44
30,019
793.49
30,273
793.54
30,524
793.59
30,774
793.64
31,017
793.69
31,251
793.74
31,472
793.79
31,696
793.84
31,921
793.89
32,144
793.94
32,360
793.99
32,569
794.04
32,786
794.09
33,008
794.14
33,230
794.19
33,447
794.24
33,655
794.29
33,872
794.34
34,095
794.39
34,317
794.44
34,534
794.49
34,743
Elevation
Storage
(feet)
(cubic -feet)
794.54
34,960
794.59
35,182
794.64
35,404
794.69
35,621
794.74
35,829
794.79
36,046
794.84
36,268

22120451
SCM5 Calculation _121222 Type 11 24-hr 10 yr Rainfall=4.88"
Prepared by Labella Associates
H droCADO 10.20-2 s/n 095$1 a 2022 H droCAD Software Solutions LLC Printed 12/14/- 5 1
P- e
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind method - Pond routing by Star -Ind method
Subcatchment1: PRE -DEVELOPMENT Runoff Area=7.390 ac 0.00% Impervious Runoff Depth>1.15"
Flow Length=897' Tc=13.9 min CN=61 Runoff=11.83 cfs 0.711 of
Subcatchment2: POST -DEVELOPMENT Runoff Area=2.840 ac 100.00% Impervious Runoff Depth>4.26"
Tc=6.0 onm CN=98 Runoff=19.18 cfs 1.009 of
Pond 3: SCM #5 Peak Elev=792.09' Storage=20,515 cf Inflow=19.18 cfs 1.009 of
Outflow=4.71 cfs 0.736 of

2212045 SCM5 Calculation_121222 Type 11 24-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
H droCAD'u 10.20-2a s/n 09581 © 2022 HvdroCAD Software Solutions LLC Pa g 16
Summary for Subcatchment 1: PRE -DEVELOPMENT
Runoff = 11.83 cfs @ 12.07 hrs, Volume= 0.711 af, Depth> 1.15"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 10-yr Rainfall=4.88"
Area (ac) CN Description
7.390 61 >75% Grass cover. Good. HSG B
7.390 100.00% Pervious Area
Tc
Length
Slope
Velocity
Capacity Description
(min)
(feet)
(ft/ft)
(ftlsec)
(cfs)
10.3
100
0.0415
0.16
Sheet Flow, Sheet Flow
Grass: Dense n= 0.240 P2= 3.41"
3.6
797
0.0600
3.67
Shallow Concentrated Flow, Shallow Concentrated
Grassed Waterway Kv= 15.0 fps
13.9 897 Total
Subcatchment 1: PRE -DEVELOPMENT
Hydrograph
13
tssa�
Type 11 24-hr
11 10-yr Rainfall=4.88"
,a
Runoff Area=7.390 ac
9-
8_ Runoff Volume=0.:711 of
Runoff Depth>1.15"
0 6 Flow Length=897'
Tc=13.9 min
4 CN=-61
5 6 7 ii 9 10 11 12 13 14 15 16 17 16 19 20
Time (hours)
■ Runoff

2212045 SCM5 Calculation121222 Type 1124-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates_Printed 12/14/2022
H droCAD®10.20-2 s/n 09581 ©2022 HydroCA❑ Software Solutions LLC Page 17
Summary for Subcatchment 2: POST -DEVELOPMENT
Runoff = 19.18 cfs @ 11.96 hrs, Volume= 1.009 af, Depth> 4.26"
Routed to Pond 3 : SCM #5
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 10-yr Rainfall=4.88"
Area (ac) CN Description
2.840 98 Paved roads w/curbs & sewers, HSG B
2.840 100.00% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ftlsec) (cfs)
6.0 Direct Entry,
Subcatchment 2: POST -DEVELOPMENT
Hydrograph
21
20 9.s6Cs
19. Type 11 24-h r
;7 10-yr Rainfall=4.88"
Runoff Area=2.840 ac
13 Runoff Volume=1,009 of
Runoff Depth>4.26"
11
o 10 Tc=6.0 min
LL 9
CN=98
1
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
Runoff

2212045 SCM5 Calculation_121222 Type 11 24-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
HvdroCADO 10.20-2q s/n 09581 ©2022 HydroCAD Software Solutions LLC Page 18
Summary for Pond 3: SCM #5
Inflow Area = 2.840 ac,100.00% Impervious, Inflow Depth > 4.26" for 10-yr event
Inflow = 19.18 cfs @ 11.96 hrs, Volume= 1.009 of
Outflow = 4.71 cfs @ 12.12 hrs, Volume= 0.736 af, Atten= 75%, Lag= 9.7 min
Primary = 4.71 cfs @ 12.12 hrs, Volume= 0.736 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 792.09' @ 12.12 hrs Surf.Area= 5,014 sf Storage= 20,515 cf
Plug -Flow detention time=128.5 min calculated for 0.736 of (73% of inflow)
Center -of -Mass det. time= 64.9 min ( 795.1 - 730.2 )
Volume
Invert
Avail Storage
Storage Description
#1
789.42'
19,187 cf
Custom Stage DataListed below
#2A
789.34'
6,998 cf
44.25'W x 113.32'L x 5.50'H STONE
27,578 cf Overall - 10,083 cf Embedded = 17,496 cf x 40.0% Voids
#3A
790.09'
10,083 cf
ADS MC-3500 c +Capx 90 Inside #2
_StormTech
Effective Size= 70.4"W x 45.0"H => 15.33 sf x 7.17'L = 110.0 cf
Overall Size= 77.0"W x 45.0"H x 7.50'L with 0.33' Overlap
90 Chambers in 6 Rows
Cao Storaae= 15.6 cf x 2 x 6 rows = 187.2 cf
36,268 cf Total Available Storage
Storage Group A created with Chamber Wizard

2212045 SCM5 Calculation121222 Type // 24-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates_Printed 12/14/2022
H droCADO 10.20-2 s/n 09581 © 2022 H droCAD Software Solutions LLC Page 19
Elevation Cum.Store
(feet) (cubic -feet)
789.42
0
789.51
390
789.59
585
789.67
780
789.76
975
789.84
1,170
789.92
1,365
790.01
1,560
790.09
1,755
790.17
2,153
790.26
2,549
790.34
2,943
790.42
3,337
790.51
3,729
790.59
4,119
790.67
4,509
790.76
4,897
790.84
5,283
790.92
5,667
791.01
6,050
791.09
6,431
791.17
6,811
791.26
7,188
791.34
7,563
791.42
7,936
791.51
8,306
791.59
8,675
791.67
9,040
791.76
9,403
791.84
9,763
791:92
10,120
792.01
10,474
792.09
10,825
792.17
11,172
792.26
11,516
792.34
11,856
792.42
12,192
792.51
12,523
792.59
12,850
792.67
13,172
792.76
13,489
792.84
13,801
792.92
14,106
793.01
14,405
793.09
14,698
793.17
14,982
793.26
15,258
793.34
15,524
793.42
15,778
793.51
16,012

2212045 SCM5 Calculation_121222 Type 1124-hr 10-yr Rainfall=4.88"
Prepared by Labella Associates Printed 12/14/2022
HydroCAD®10 20-2q s/n 09581 ©2022 HvdroCAD Software Solutions LLC Page 20
793.59
16,230
793.67
16,442
793.76
16,648
793.84
16,846
793.92
17,041
794.01
17,236
794.09
17,431
794.17
17,626
794.26
17,821
794.34
18,017
794.42
18,212
794.51
18,407
794.59
18,602
794.67
18,797
794.76
18,992
794.84
19,187
Device Routing Invert Outlet Devices
#1 Primary 787.67' 24.0" Round BF5 TO DMH10 L= 10.0' Ke= 0.500
Inlet / Outlet Invert= 787.67' / 787.57' S= 0.0100 T Cc= 0.900
n= 0.013 Concrete pipe, bends & connections, Flow Area= 3.14 sf
#2 Device 1 787.67' 3.1" Vert. EQUIVALENT ORIFICE C= 0.600
Limited to weir flow at low heads
#3 Device 1 791.43' 2.5' long x 0.5' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00
Coef. (English) 2.80 2.92 3.08 3.30 3.32
Primary OutFlow Max=4.58 cfs @ 12.12 hrs HW=792.08' (Free Discharge)
� =13F5 TO DMH10 (Passes 4.58 cfs of 27.92 cfs potential flow)
2=EQUIVALENT ORIFICE (Orifice Controls 0.52 cfs @ 9.96 fps)
3 Broad -Crested Rectangular Weir(Weir Controls 4.06 cfs @ 2.52 fps)

22120451
SCM5 Calculation121222 Type l/ 24-hr 10 yr Rainfall=4.88"
Prepared by Labella Associates—, Printed 12/14/2022
H droCADL; 10.20-2_ s/n 09581 © 202 H droCAD Software Solutions LLC Page 21
19
18
17
16
15
14
7
6
Pond 3: SCM #5
Hydrograph
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
Inflow
Fi lmary

22120451
SCM5 Calculation_121222
Prepared by Labella Associates Type 11 24-hr 10-yr Rainfall=4.88"
H droCAD® 10.�0-2 s/n 09581 ©2022 H drvCAl� Software Soluiivns LLC Printed 12/14/2022
Page 22
Elevation
Storage
_ (feet)
(cubic -feet]
789.34
0
789.39
100
789.44
287
789.49
604
789.54
864
789.59
1,086
789.64
1,309
789.69
1,525
789.74
1,734
789.79
1,951
789.84
2,173
789.89
2,395
789.94
2,612
789.99
2,820
790.04
3,037
790.09
3,259
790.14
3,724
790.19
4,177
790.24
4,612
790.29
5,062
790.34
5,523
790.39
5,983
790.44
6,431
790.49
6,862
790.54
7,308
790.59
7,764
790.64
8,219
790.69
8,663
790.74
9,089
790.79
9,531
790.84
9,982
790.89
10,431
790.94
10,868
790.99
11,289
791.04
11,725
791.09
12,169
791.14
12,613
791.19
13,045
791.24
13,459
791.29
13,888
791.34
14,326
791.39
14,761
791.44
15,186
791.49
15,592
791.54
16,013
791.59
16,443
791.64
16,870
791.69
17,285
791.74
17,683
791.79
18,095
791.84
18,515
791.89
18,932
Stage -Area -Storage for Pond 3: SCM #5
Elevation
Storage
(feet)
(cubic -feet)
791.94
19,337
791.99
19,726
792.04
20,127
792.09
20,536
792.14
20,941
792.19
21,335
792.24
21,712
792.29
22,101
792.34
22,497
792.39
22,888
792.44
23,269
792.49
23,631
792.54
24,005
792.59
24,385
792.64
24,761
792.69
25,125
792.74
25,472
792.79
25,828
792.84
26,190
792.89
26,545
792.94
26,889
792.99
27,216
793.04
27,550
793.09
27,889
793.14
28,220
793.19
28,538
793.24
28,838
793.29
29,143
793.34
29,449
793.39
29,742
793.44
30,019
793.49
30,273
793.54
30,524
793.59
30,774
793.64
31,017
793.69
31,251
793.74
31,472
793.79
31,696
793.84
31,921
793.89
32,144
793.94
32,360
793.99
32,569
794.04
32,786
794.09
33,008
794.14
33,230
794.19
33,447
794.24
33,655
794.29
33,872
794.34
34,095
794.39
34,317
794.44
34,534
794.49
34,743
Elevation
Storage
(feet)
(cubic -feet]
794.54
34,960
794.59
35,182
794.64
35,404
794.69
35,621
794.74
35,829
794.79
36,046
794.84
36,268

Project Name: The Lake at Spieewood PH1
Date 5i2612021
Location; Winston - Salem, NC
Site Designation; BF -A
SITE CONDITIONS
Rainfall Depth
Impervious Acreage
Total Acreage
Time of Concentration
I
R,(Runoff Coefficient)
W Q'
75% Wov (Treatment Volume)
q,(Unit Peak Discharge)
Q,(Water Quality Storm)
VOLUME BASED SIZING
Volume per cartridge
Cartridge Type
Alin. Dumber of cartridge required
Cartridge Flow rate
System Flow Rate
Release time
SEDIMENT BASED SIZING
Influent Concentration
Annual Rainfall (P)
Annual Sediment Load
Pretreatment reduction
Sediment Load to BayFilter
85% Capture Capacity
Cartridge Type
Sediment load per cartridge
Min. Number of cartridge required
Anticipated Maintenance Cycle
FINAL DESIGN
Cartridge Type
Number of Cartridges
Precast Size
Equivalent Orifice Size
VV"t
� �181si 11
1 fn
2.36 ac ' elel c
4.12 ac e, ro�4 1n 3,7S"lt6>
sbl
6 min P 1 eA ,re- sc e �1�t���2
57.3
0.57
8458
cf
6343
1000
cf e f I Chart
csmlin From Typ
3.64
cfs
1250
CF
522
6
11.25
gpm (0.25 gpmlSF)
0.15
cfs
11.7
hours
70
mg/L
45
in
1493
Ibs
30%
1045
Ibs
888
Ibs
522
131
Ibs
7
1.Q3
years (must be greater than 1 year)
522
7
8x11
2.06 inch

///ADS,.
Project Name: Hanes Lake Phase 2 Date
Location: Winston-Salem, NC
Site Designation: SCM "A' (Phase 1 Only)
SITE CONDITIONS
Rainfall Depth
1
in
Impervious Acreage
0.96
ac
Total Acreage
3.78
ac
Time of Concentration
6
min
1
25.4
%
Rv(Runoff Coefficient)
0.28
W QV
3822
cf
75% WQv (Treatment Volume)
2867
cf
q„ (Unit Peak Discharge)
1000
csm/in From Type II Chart
QP(Water Quality Storm)
1.65
cfs
VOLUME BASED SIZING
Volume per cartridge
1250
CF
Cartridge Type
522
Min. Number of cartridge required
3
Cartridge Flow rate
11.25
gpm (0.25 gpm/SF)
System Flow Rate
0.08
cfs
Release time
10.6
hours
SEDIMENT BASED SIZING
Influent Concentration
60
mg/L
Annual Rainfall (P)
45
in
Annual Sediment Load
578
Ibs
Pretreatment reduction
30%
Sediment Load to BayFilter
405
Ibs
85% Capture Capacity
344
Ibs
Cartridge Type
522
Sediment load per cartridge
131
Ibs
Min. Number of cartridge required
3
Anticipated Maintenance Cycle
1.14
years (must be greater than 1 year)
FINAL DESIGN
12/13/2022
Cartridge Type 522
Number of Cartridges 3 "7 iv%ll be ;o5s a l teJ ff
Precast Size 6'x14' fern q s 8 xl1' Po — �44-oX�%'�
qau1+
approx outlet orifice 1.15 in �� 2 • Ufo ''2 � - 5
d4f1c�(

Project Name: Hanes Lake Phase 2 Date
Location: Winston-Salem, NC
Site Designation: SCM "A' (Phase 2 Only)
SITE CONDITIONS
Rainfall Depth
1
in
Impervious Acreage
1.13
ac
Total Acreage
3.78
ac
Time of Concentration
6
min
1
29.9
%
Rv(Runoff Coefficient)
0.32
W Q„
4378
cf
75% WQv (Treatment Volume)
3283
cf
q„ (Unit Peak Discharge)
1000
csm/in From Type II Chart
QP(Water Quality Storm)
1.88
cfs
VOLUME BASED SIZING
Volume per cartridge
1250
CF
Cartridge Type
522
Min. Number of cartridge required
3
Cartridge Flow rate
11.25
gpm (0.25 gpm/SF)
System Flow Rate
0.08
cfs
Release time
12.1
hours
SEDIMENT BASED SIZING
Influent Concentration
60
mg/L
Annual Rainfall (P)
45
in
Annual Sediment Load
662
Ibs
Pretreatment reduction
30%
Sediment Load to BayFilter
464
Ibs
85% Capture Capacity
394
Ibs
Cartridge Type
522
Sediment load per cartridge
131
Ibs
Min. Number of cartridge required
4
Anticipated Maintenance Cycle
1.33
years (must be greater than 1 year)
FINAL DESIGN
Cartridge Type 522
Number of Cartridges 4 '7 01 be��� �,,
Precast Size 6'x14' 5< Y7
approx outlet orifice 1.53 in �T • °fi an"�� � s �k
12/13/2022

Project: The Lake at Spicewood Phase 1: Basin A
StormT ch
Chamber Model - uG7d0
Units- Im.p9rial ieerkenc �1
Number of chambers - ' P9
Voids in the stone (porosity) - 40
Base of Stone Elevation - 75a.83 ft re14udem5l'MOe ROIeiftCaki&W ti5
Amount of Stone Above Chambers - G in
Amount of Stone Below Chambers - 3 _ill,
Area of system - 8044 . sf Min. Area - 6389 sf min area
5tormTech
SC-740 CumulatiVs
517r1=?
Height df Inr rr ental Sfngie
[tit erttienia[
fhb. rnetitw
Jn�iB[ O fai
r .emulative
Sys:erl
Cnart6er
Totalvseamber
Sterne
Gh:&$t.
Cnarnber
vat R
inches]
rxlhic fee!j
fcubeG reel
5rr, refit]
�
42
0.00
000
268.13
26813
16472 43
76943
41
0.00
000
268.13
26813
16204.29
76935
40
0.00
000
268.13
268.13
15936 16
76926
39
000
000
268 13
268 13
15668.03
76918
36
000
0.00
26813
26813
1539989
76910
37
000
000
26B 13
268 13
15131.76
76901
36
D 05
1939
263 96
27437
14B63 53
76893
35
016
3079
255 B2
28651
1458926
758.85
34
028
5329
24682
300 11
14302.65
768.76
33
0.60
11415
22247
33662
1400254
76668
32
0.80
15152
20752
35905
13665.92
76860
31
0.95
17968
196.26
37594
1330687
76851
30
1 07
20308
18690
38998
1293093
768.43
29
1 18
223 11
176.69
402.00
1254095
76835
28
1 27
23921
172.45
411 66
12138.95
75626
27
1 36
256.10
16569
421 79
11727.29
768.18
26
145
274.62
158.20
43303
11305.50
76810
25
1 52
28817
15286
441.04
1087247
768.01
24
1 58
29906
148.51
44757
10431 43
767.93
23
1 64
31039
143.98
454.37
9983.86
76785
22
1 70
321 21
139.65
46086
952949
767.76
21
1 75
331 30
135.61
46692
906864
76768
20
1 80
34073
131.84
47257
8601 72
76760
19
1 65
35059
12790
47949
8129 15
767.51
16
1 B9
35779
125 D2
413251
7550.56
767.43
'3'
17
1.93
36553
121 92
43745
i 35
35
16
1 97
37327
118 62
49210
5550 -0
15
201
37988
116.18
49606
6188.30
76718
14
204
38650
11353
50004
569224
767 10
13
2.D7
39217
111.27
50343
5192.21
767.01
12
210
39783
109.00
506.83
4668.77
76693
11
213
402.91
10697
509.88
4181,94
76685
10
2.15
40708
10530
512.38
3672.06
766.76
9
2.18
41146
103.55
515.01
3159.68
766.68
B
2.20
415.49
1 D1 94
51743
2644.67
766.60
7
221
41718
101.26
51844
212724
765.51
5
000
0 00
26813
266 13
1508.80
76643
5
000
0.00
26813
268 13
134067
766.35
4
0 00
000
268 13
268.13
1072.53
76626
3
0.00
000
26813
268 13
80440
76618
2
000
000
268,13
268 13
53627
76610
1
000
000
266 13
268 13
268.13
76601

The Lake at
S icewood Phase 1
ADS Storm tech
Chambers Area "A
12)
PRE-®EV AREA "A" POST -DE AREA "A"'
Basin A
i � =HydroCAeD@
iagram for 2210366 Stormtech Chambers Area A
,Subcat Reach / an Link {enter your company name here}, Printed 3I2912022
— 10-41b s/n 09581 © 2020 HydroCAD Software Solutions LLC

s
ent
2210366 Stormtech Chambers Area A Printed Table of Contents nt
Prepared by (enter your company name here}
3/29/2022
HvdroCAD(SI! 10.10-4b sln 095,81 © 2020 H droCAQ Software Solutions LL.0
TABLE OF CONTENTS
Proiect Reports
1 Routing Diagram
2 Area Listing (all nodes)
3 Pipe Listing (all nodes)
1-yr Event
4 Node Listing
5 Subcat 1: PRE-DEV AREA "A"
6 Subcat 2: POST-DEV AREA "A"
7 Pond 3: Basin A
10-yr Event
9 Node Listing
10 Subcat 1: PRE-DEV AREA "A"
11 Subcat 2: POST-DEV AREA "A"
12 Pond 3: Basin A

2210366 Stormtech Chambers Area A
Prepared by {enter your company name here}
HvdroCADC�) 10 10-4b s/n 09581 2020 !-[droCAD Software Solutions LLC
Area Listing (all nodes)
Area CN Description
(acres) (subcatchment-numbers)
4.120 61 Pasture/grassland/range, Good, HSG B (1)
2.360 98 Paved roads w/curbs & sewers, HSG B (2)
6.480 74 TOTAL AREA
Printed 3/29/2022
Pace 2

2210366 Stormtech Chambers Area A Printed 3/29/2022
Prepared by {enter your company name here} Pa e 3
Hvdr-oCAD(D 10.10-4b s/n 09581 © 2020 H droCAD Software Solutions LLC
Pipe Listing (all nodes)
Line## Node In -Invert Out -Invert Length Slope n Width Diam/Height Inside -Fill
Number (feet) (feet) (feet) Oft) (inches) (inches) (inches)
1 3 764.50 764.20 15.0 0.0200 0.013 0.0 18.0 0.0

2210366 Stormtech Chambers Area A Type 1124-hr 1-yrRarnfall=2.80"
Prepared by {enter your company name here} Printed 3/29/2022
H droCAD[7 10.10-4b sin 09581 © 2020 H droCAD Software Solutions LLC Pacie 4
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind method - Pond routing by Stor-Ind method
Subcatchment1: PRE-DEV AREA "A" Runoff Area=4.120 ac 0.00% Impervious Runoff Depth>0.24"
Flow Length=1,153' Slope=0.0270 '/' Tc=36.6 min CN=61 Runoff=0.47 cfs 0.083 of
Subcatchment2: POST-DEVAREA "A" Runoff Area=2.360 ac 100.00% Impervious Runoff Depth>2.38"
Tc=5.0 min CN=98 Runoff=9.41 cfs 0.469 of
Pond 3: Basin A Peak Elev=766.24' Storage=214 cf Inflow=9.41 cfs 0.469 of
Outflow=9.04 cfs 0.468 of
Total Runoff Area = 6.480 ac Runoff Volume = 0.551 of Average Runoff Depth = 1.02"
63.58% Pervious = 4.120 ac 36.42% Impervious = 2.360 ac

Type/1 24-hr 1 yr Rainfall=2.80"
Printed 3/29/2022
5umm,ary for Subcatchment 1: PRE-DFV AREA go ow Pacfe 5
Runoff - 0.47 cfs @ 12.47 hrs, Volume=
0-083 af, Depth> 0.24"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.
TYPe It 24-hr 1-yr Rainfall=2,80" 00 hrs, dt= 0.05 hrs
Area ac CN Descri tIon
4.120 61 Pasturel rassiandlran e, Good- HSG B
4.120 100.00% Pervious Area
Tc Length Slope Vefoci
min �1,153
fVf ftlsec Cap�'�YDescription
36.6 0.0270
0.53 Lag/CN Method, SHEET PLOW AREA A
Subcatchment 1: PRE_DEV AREA "Ago
Hydrograph
052
05-([
0.48
0.46
0-44
0.42
0.4
0.38
0 36
0.34
0.32 ,
r'n
0.28
026
0-24
LL 0.22
0.2
0.18
0.16
0.14
0.12
0.1
008
a.o6
004
0.02
0
5
2210366 Stormtech Chambers Area A
Prepared by {enter your company name here}
H droCADO 10.10_45 S/n 09581 © 2020 H AroCAD Software Solutions LLC
if•
Type II 24-hr
1-yr Rainfall=2.80"
Runoff Area=4.120 ac
Runoff Volume=0.083 of l
Runoff Depth>0.24'11
Flow Length=1,153'
Slope=0.0270 '/•
Tc=36.6 min
IW=61 1
6 7 8 — 9 10 11 12 ---�
13 14 15 16 17 Time (hours) 18 19 20
■ i2unoif

2210366 Stormtech Chambers Area A
Prepared by {enter your company name here} Type 1124-hr 1-yi Rain /29/2022
H droCADC) 10.1n-4b sln 09581 © 2020 H droCAD Software Solutions LLC Printed 3/ Page 2
_ Pane 6
Summary for Subcatchment 2; POST-DEV AREA "A"
Runoff = 9.41 cfs @ 11.95 hrs, Volume= 0.469 af, Depth> 2.38"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type If 24-hr 1-yr Rainfall=2.80"
Area (ac) CIV nm-- Lion
2.360 98 Paved roads w/curbs & sewers, HSG B
2.360 100.00% Impervious Area
Tc Length Slope Velocity Capacity Description
min feet (ftlft ffUsec) fcfsl
5.0
T)
9
8
7
6
v
3 5
0
4
3
2
Direct Entry,
Subcatchment 2: POST-DEV AREA "A°'
Hydrograph
�1
1
1 1 --.F -%
5 6 7 8 9 10 11 12 13
Time (hours)
Type II 24-hr
1-yr Rainfall=2.80"
Runoff Area=2.360 ac
Runoff Volume=0.469 of
Runoff Depth>2.38"'
Tc=5.0 min
CN=98
14 15 16 17 18 19 20
■ Runoff

2210366 Stormtech Chambers Area A Type 1124-hr 9-yr Rainfall=2.80"
2022
roC
Prepared by {enter your company name here} Printed 3129PJe 7
H dADCR; 10.10-4b s/n 09581 © 2020 H droCAD Software Solutions LLC
Summary for Pond 3: Basin A
Inflow Area = 2.360 ac,100.00% Impervious, Inflow Depth > 2.38" for 1-yr event
Inflow = 9.41 cfs @ 11.95 hrs, Volume= 0.469 of
Outflow = 9.04 cfs @ 11.98 hrs, Volume= 0.468 af, Atten= 4%, Lag= 1.5 min
Primary = 9.04 cfs @ 11.98 hrs, Volume= 0.468 of
Routing by Stor-Ind method. Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 766.24' @ 11.98 hrs Surf.Area= 8,044 sf Storage= 214 cf
Plug -Flow detention time= (not calculated: outflow precedes inflow)
Center -of -Mass det. time= 0.2 min ( 734.0 - 733.7 )
Volume Invert Avail.Stora e Stora e Descri tion
#1 766.17' 7,789 cf Custom Stage Data (Prismatic)Listed below (Recalc)
28,154 cf Overall - 8,683 cf Embedded = 19,471 cf x 40 0% Voids
#2 766.67' 8,683 cf ADS _StormTech SC-740 +Capx 189 Inside #1
Effective Size= 44.6"W x 30.0"H => 6.45 sf x 7 12'L = 45.9 cf
Overall Size= 51.0"W x 30.0"H x 7.561 with 0.44' Overly
16,471 cf Total Available Storage
Elevation Surf.Area Inc.Store Cum.Store
ifeet s -ft (cubic -feet cubic -feet
766.17 8,044 0 0
769.67 8,044 28,154 28,154
Device Routing Invert Outlet Devices
#1 Primary 764.50' I sRound RCP —Round 18
et,/ Outlets vvert= 764.50'/ 764 201 S ' 0.0200 '!5'0 Cc= 0.900
n= 0.013 Concrete pipe, straight & clean, Flow Area= 1.77 sf
#2 Primary 764.50' 2.1" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads
Primary OutFlow Max=8.58 cfs @ 11.98 hrs HW=766.23' (Free Discharge)
�_2=0rif
1=RCP_Round 18" (Inlet Controls 8.43 cfs @ 4.77 fps)
ice/Grate (Orifice Controls 0.15 cfs @ 6.33 fps)

2210366 Stormtech Chambers Area A Type // 24-hr 1-yr Rainfall=2.80"
Prepared by {enter your company name here} Printed 3/29/2022
H droCADO 10.10-4b s/n 09581 © 2020 H droCA❑ Software Solutions LLC Page 8
Pond 3; Basin A
Hydrograph
1
3 5
0
LL
4
3
2
1
0
5
Inflow Area=2s360 ac
pang 'wI
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
■ Inflow
■ Primary

2210366 Stormtech Chambers Area A
Prepared by {enter your company name here} Type 1! 24-hr 10-yi Rainfall /2022
H droCADID 10.10-4b sM 09581 © 2020 H droCAD Software Solutions LLC Printed 3/29/2022
Pa e 9
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Stor-Ind method - Pond routing by Stor-Ind method
Subcatchment1: PRE-DEV AREA "A" Runoff Area=4.120 ac
Flow Length=10.00% Impervious Runoff Depth>
,153' ac
Tc=36.6 min CN=61 Runoff=3.54 cfs0.392 of
Subcatchment2: POST-DEVAREA "A" Runoff Area=2.360 ac 100.00% Impervious Runoff Depth>
Pond 3: Basin A
Tc=5.0 min CN=98 Runoff=16.56 cfs 0.838 of
Peak Elev=766.84' Storage=2,664 cf lnflow=16.56 cfs 0.838 of
Outfl0w=10.91 cfs 0 838 of
Total Runoff Area = 6.480 ac Runoff Volume = 1.230 of Average Runoff Depth = 2.28"
63.58% Pervious = 4.120 ac 36.42% Impervious = 2.360 ac

2210366 Stormtech Chambers Area A
Prepared by (enter your company name here} Type 11 24-hr 10 Yr Rainfall=4.88"
HvdroCAD: , 10.10-4b s/n 09581 a 2020 H drOCAD Software Solutions LLC
Printed 3/29/2022
Summary for Subcatchment 1: PRE-DEV AREA "A" Pa e i o
Runoff - 3.54 cfs
@ 12.37 hrs, Volume=
Runoff by SCS TR-20 method, UH=SCS. Weighted-C 0 392 af, Depth> 1.14"
Type II 24-hr 10-yr Rainfall=4.88" N, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
area ac CN De;cri lion
4.120 61 Pasture _rassland/ran e, Gaad HSG B
4.120 100.00% Pervious Area
Tc Length Slope Velocity
min Feet (eft ftr,secCapacity Description
36.6 1,153 0 0270 (cfs
0.53 fag/CNl Method, SHEET FL®IIV AREA A
Subcatchment 1. PRE-DEy AREA "A"
Hydrograph
3
0
5 B 7 8
I
j ■ Runnff
Type II 24-hr r
10-yr Rainfall=4.88"
Runoff Area=4.120 ac 1
Runoff Volume=0.392 of ;
Runoff Depth>1.14"
Flow Length=1,153'
Slope=0.0270 9/'
Tc=36.6 rain
CN=61
S 10 11 12 13 14 15
Time (hours) 16 17 18 19 20

2210366 Stormtech Chambers Area A
Prepared by {enter your company name here}
H droCAO@ 10.10-4b sln 09581 O 2020 H droCAD 5cftware Saiufions LL
C
Type 11 24-hr 1 D yr Rainfall=4.88"
Printed 3/29/2022
Summary for Subcatchment 2: POST-DEV AREA °° °°a_ce + t
Runoff - '4
16.56 cfs @ 11.95 hrs, Volume=
0.838 af, Depth> 4.26"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00- 20.00 hrs, dt= 0.05 hrs
Type II 24-hr 10-yr Rainfall=4.88"
Area ac CN Descri tier l
2.360 98 Paved roads w,rcurbs & sewers HSG B
2.360 100.00% Impervious Area
Tc Length Slope Velocit
min feet ftlft y Capacity Description
5.0 ftlsec) cfs)
18
17
16
15-
14
13
12
1T
N
u 13
0 g
U.8
7
5
5
4
3-
2
1
0
5
Direct Entry,
Subcatchment 2e POST-DEV AREA °°A"
Hydrograph
Type II 24-hr
10-yr Rainfall=4.88-
Runoff Area=2.360 ac
Runoff Volume=0.838 of
Runoff Depth>4.26"
Tc=5.0 min
CN=98
6 7 8 g 10 11 12 13 14
Time (hours) 15 18 17 18 19
20
! Runoff

2210366 Stormtech Chambers Area A
Prepared by {enter your company name here} Type ll 24-hr 10 yr Rainfall=4.88"
H droCAD® 10.10-4b sin 09581 © 2020 H drOCAD Software Solutions LLC Printed 3/29/2022
Pa e 12
Summary for Pond 3: Basin A
Inflow Area = 2.360 ac,100,00% Impervious, inflow Depth �
Inflow _ 16 56 cfs p 4.26" far 10-yr event
Outflow - 10.91 cfs @ 12.02 hrs, Volume= 0.838 of
Prima = 0.838 af, Atten= 34%, Lag= 4 3 min
Primary 10.91 cfs @ 12.02 hrs, Volume=
0.838 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Bev= 766.84' @ 12.02 hrs Surf.Area= 8,044 sf Storage= 2,664 cf
Plug -Flow detention time= (not calculated: outflow precedes inflow)
Center -Of -Mass det. time= 0.9 min ( 730.4 - 729.5 )
Volume
#1
#2
Elevation
feet
766.17
769.67
Device
#1
#2
Invert Avail. Stora e Storaq Ie C]escri Lion
766.17' 7,789 of Custom Stage Data (PrismaticPsted below (Recalc
766.67' 28,154 cf Overall - 8,683 cf Embedded = 19.471 cf x 41C)% Voids
8,683 cf ADS_StormTech SC-740 +Capx 189 Inside #1
Effective Size= 44.6"w x 30.0"H 6.45 sf x 7.12'1 = 45.9 cf
Overall Size= 51.0"w x 30.0"H x 7.56'L with 0.44' Overa
16,471 cf Total Available Storage
Surf.Area Inc.Store
s -fl CUM -Store
cubic -feet cubic -feet
8, 044 0
8.044 28,150
28 ,154
Routin Invert Devices
Primary 764.50'�Qutlet
Round RCP Round 1 a" L= 15.0' Ke= 0.500
Inlet / Outlet Invert- 764.50' / 764.20' S= 0.0200 '1' Cc= 0.900
n= 0.013 Concrete pipe, straight & clean, Flow Area- 1.77 sf
Primary 764.50' 2.1" Horiz. Orifice/Grate C= 0,60Q Limited to weir flow at I
Primary OutFlow Max-1Q ow heads
t12=RCP_Round 18" (Inlet Controls 10.67 )
7 cfs @ 6 04 fps (Free Discharge)
=OrificelGrate (Orifice Controls 0.18 cfs @ 7.34 fps)

2210366 Stormtech Chambers Area A
Prepared by {enter your company name here} TYPe l! 24-hr 90-yr Rainfall=4.88"
N dr )CADO 10.10-4b si- 09581 © 202O Hi droCAD Software Solutions LLC Printed 3/29/2022
Paae 13
18
17
16
15
14
13
,2
11
N
O
8
7
6
5
4
3
2
0
5
6 7
Pond 3e Basin A
Hydrograph
Inflow Area=2,360 ac
Peak Elev=766.64'
Storacie=2,664 cf
8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
■ Inflow
■ Primary

Trapezoidal Channel Analysis
Project Info
User Input
Bed Manning's n-Value (Nc): 0.032
Right Manning's n-Value (Nr): 0.032
Left -Side Slope (Zl) [H:1 V]: 3
Bottom Width (B) [ft]: 2
Bend Coefficient (Kb): 1.25
Hydraulic Results
Depth [ft]: 0.987
Froude: 0.766
Project Information
Designers Name: Paul Stimpson
Designers Organization: LaBella Associates, PC
Project Number: 2212045
Project Segment: Swale#1- EW 1 to lot 119
Project Description:
Project Start Date: --
American _
Excelsior
Company
RW
Earth Science Division
Left Manning's n-Value (Nl): 0.032 I al j l<CG �r.tfS W,U
Right -Side Slope (Zr) [H:1 V]: 3
Bed Slope (S) [ft/ft]: 0.0108
Design Discharge tQ) W/Seel: 16,74
9� —1e /4 - O: ,la �(o"?e ;+)hr Y, ,/0",
Velocity [ft/sec]: 3.42
Shear [lb/ft']: 0.831
Designers Title: engineer
Project Name: Hanes Lake Phase 2
Project Location (City, State): North Carolina
Applications(s): Permanent Vegetated Swale VX
Project Bid Date: --
Dec 12th, 2022
1M11IWf1 �R0510�VW,DRKS.COM

Trapezoidal Channel
Analysis Result
American
Excelsior
Company®qw
Earth Science Division
Stability factors less than one are highlighted RED and mean the material is likely to fail if the calculated hydraulic conditions
are encountered.
DOT Approvals for: North Carolina
Product Comparison Chart
Dec 12th, 2022
"MM EROSIONWORKS.COM

AEC Premier Coconut
2.58
2.71
up to 36 ,
Yes
AEC Premier Straw DN QM (White Net)
2.28
2.11
up to 3
Yes
AEC Premier Straw Double Net
2.28
2.11
up to 12
Yes
AEC Premier Straw Single Net
2.15
1.87
` up to 12
I
Yes
AEC Premier Straw SN QM (White Net)
2.15
1.87
up to 3
Yes
AEC Premier Straw/Coconut 1
2.44
2.41
up to 24
Yes
eegetated)
3.11
3.91
Permanent
Yes
rcgetated)
ACurolexl
5.45
12
Permanent
Yes
h ity (HV)
3.11
3.91
36+
Yes
2.28
2.11
up to 18
Yes
Curlex I CL
218
1.93
up to 15
Yes
Curlex I CL QuickMow (White Net)
2.18
1.93
up to 3
Yes
Curlex I QuickMow (White Net)
2.28
2.11
up to 3
Yes
Curlex II
2.58
2.71
up to 24
Yes
Curlex II .98
272
3.01
up to 30
N/A
Curlex II CL
2.31
2.17
up to 18
Yes
Curlex 11 CL QuickMow (White Net)
2.31
2.17
up to 3
Yes
Curlex II QuickMow (White Net)
2.58
2.71
up to 3
Yes
Curlex 111
2.72
3.01
up to 36
Yes
Curlex NetFree
1.72
1.2
up to 18
Yes
Recyclex TRM (Unvegetated)
3.17
4.07
Permanent
Yes
Recyclex TRM (Vegetated)
5.72
13.2
Permanent
Yes
Recyclex TRM-V (Unvegetated)
3.14
4
Permanent
Yes
Recyclex TRM-V (Vegetated)
4.87
9.63
Permanent
Yes
TriNet Coconut (Unvegetated)
3.08
3.85
Permanent
Yes
TriNet Coconut (Vegetated)
5.97
14.4
Permanent
Yes
TriNet Curlex (Unvegetated)
3.08
3.85
Permanent
Yes
TriNet Curlex (Vegetated)
6.21
15.6
Permanent
Yes
TriNet Recyclex (Unvegetated)
3.08
3.85
Premanent
Yes
TriNet Recyclex (Vegetated)
6.45
16.8
Permanent
Yes
TriNet Straw/Coconut (Unvegetated)
308
3.85
Permanent
Yes
TriNet Straw/Coconut (Vegetated)
5.45
12
Permanent
Yes
Dec f 2th, 2022
WWW.EROSIONWORKS_COM