820466_Digester Volume Calculation Update_20231220

Facility Number: 82-0466
Grower: Goodson Farm Designed By: JEO
Address: PO Box 856 Checked By: DSE
Warsaw, NC 28398 Date: 10/16/23
County: Sampson Sheet 1 of 6
ANAEROBIC DIGESTER DESIGN Volume Check
FARM INFORMATION
Farm Population:
Nursery:
Wean to Finish: ------------------- 0
Finishing: ------------------- 20992 Hd.
25 Yr. / 24 Hr Storm Event
Recycle Flush Water Volume:
DIGESTER INFORMATION
Is Digester Designed as an Irregular Shape? (Y/N)
Was This Facility Built Prior to 9/96? (Y/N)
Is Drain Tile Req'd to Lower SHWT? (Y/N)
Seasonal High Water Table Elev: -------------------
Freeboard:-------------------
Side Slopes: -------------------
From Lagoon Volume Check Contours
contour areas see sheet 2 of 7...
Top of Dike Elevation: ---------------- Depth
Finished Bottom Elevation: ---------------- 12.00 Ft.
Start Pump Elevation: ---------------- 20.04 In.
Stop Pump Elevation: ---------------- 24 In.
Top of Sludge Elevation: ---------------- 144 In.
DIGESTER VOLUMES REQUIRED VOL.
Storm Temp= 53819 (Cu.Ft.)
Temporary = 0 (Cu.Ft.)
Operational = 671744 (Cu.Ft.)
Permanent Sludge = 0 (Cu.Ft.)
Total Volume = 725,563 (Cu.Ft.)
Lagoon Surface Area: (Inside TOD)
DESIGN VOLUMES
57,505 (Cu.Ft.)
28,323 (Cu.Ft.)
651,125 (Cu.Ft.)
15,659 (Cu.Ft.)
752,612 (Cu.Ft.)
Y
N
N
LINK
7.0 In.
0
1.0 Ft.
3 :1 (H-.V)
430.0
Ft.
215.0
Ft.
113.00
Ft.
101.00
Ft.
111.33
Ft.
111.00
Ft.
101.00
Ft.
% REQ'D.
106.85%
4.22%
96.93%
103.73%
92,261 S.F.
Smithfield Hog Production Engineering P.O. Box 856 ,Warsaw, NC 26398
(910) 293-343,

Facility Number: 82-046
Grower: Goodson Farm
Address: PO Box 856
Warsaw, NC 28398
Countv: Sampson
BASE VOLUME:
Designed By: JEO
Checked By: DSE
Date: 10/16/23
Sheet 2 of 6
ACTUAL DESIGN VOLUME CALCULATIONS
�Cu. Ft.
DIGESTER STAGE -AREA VOLUMES
Contour
Elevation (FT.) Area (SF) Incr. Vol. +:Cu. FTi
101.00
40,517
102.00
52,789
103.00
55,678
104.00
58,646
105.00
61,693
106.00
64,818
107.00
68,195
108.00
71,855
109.00
75,687
110.00
79,644
111.00
83,725
112.00
87,931
113.00
92,261
46,653
54,233
57,162
60,169
63,255
66,507
70,025
73,771
77,665
81,684
85,828
90,096
Cumul. Vol. (Cu. FT
15,659
62,312
116,545
173,707
233,877
297,132
363,638
433,663
507,434
585,100
666,784
752,612
842,708
These volumes were calculated using the vertical average end area method.
TOTAL REQD VOL
671,744
CF
CUMULATIVE
VOL.
ZONE VOL.
0.00%
END PUMP = = = =
111.00
FT
666,784 CF
TR'MT
651,125
96.93%
START PUMP = =:
111.33
FT
695,107 CF
TEMP
28,323
4.22%
MAX STORAGE =
112.00
FT
752,612 CF
STORM
57,505
106.85%
Smithfield Hog Production Engineering P.O. Box 856,Warsaw, NC 28398 [phone]

Grower: Goodson Farm Designed By: JEO
Address: PO Box 856 Checked By: KBW
Warsaw, NC 28398 Date: 10/16/23
Countv: Sampson Sheet 3 of 6
MINIMUM REQUIRED VOLUME CALCULATIONS DIGESTER
Permanent Storage:
Required Treatment Volume:
Animal Type Capacity (cu.ft./hd) = Total
Wean to Finish
0
32.00
0
Finishing
20,992
32.00
671,744
Farrow
Farrow
to
1.00
0.50
Total Required Treatment Volume (cu. ft.)=
Sludge Storage Volume:
671,744
Animal Type Capacity ALW (cu.ft./lb) = Total
Wean to Finish
0
115
0.00
0
Finishing
20,992
135
0.00
0
Farrow .
feeder
Total Required Sludge Storage Volume (cu. ft.)=
No Storm Storage Unless a Partial Cover Digester:
Vol.=(Digester Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in./ft.
Vol.= (92261 sq.ft + 0 sq.ft.) * 7.0 in. /12 in./ft.
Total Required Volume for 25Yr./24Hr. Storm Event (cu.ft)=
No "Heavy Rain" Storage Unless a Partial Cover Digester:
Vol.=(Digester Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (92261 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) =
(for Extended Periods of Chronic Rainfall)
0
53,819
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')= 53,819 (CU.FT)
Total Required Permanent Storage
(Treatment + Sludge) = 671,744 (CU.FT)
TOTAL REQUIRED DIGESTER VOLUME = 725563 (CU.FT.)
0

Grower: Goodson Farm Designed By: JEO
Address: PO Box 856 Checked By: KBW
Warsaw, NC 28398 Date: 10/16/23
Countv: Sampson Sheet 4 of 6
DIGESTER DESIGN SUMMARY
Top of Dike Elevation
Top of 25Yr. / 24Hr. Storm Storage
113.00 FT.
112.00 FT.
Start Pump Elevation -------------------
111.33
FT.
End Pump Elevation -------------------
111.00
FT.
Top of Sludge Storage -------------------
101.00
FT.
Seasonal High Watertable Elev.-------------------
UNK
Finished Bottom Elevation -------------------
101.00
FT.
Inside Top Length -------------------
Not
Applicable
Inside Top Width -------------------
Not
Applicable
Side Slopes -------------------
3.0:1
H:V
Lagoon Surface Area -------------------
92,261
SF
Freeboard Depth
Zone Depths:
TOTAL DESIGN VOLUME = 752612 (CU.FT.)
Treatment / Sludge Storage Zone Depth
Temporary Storage Zone Depth
Freeboard Depth
Total Digester Depth
1.00 FT,
10.0 FT.
0.3 FT.
1.7 FT.
12.0 FT

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Grower: Goodson Farm
Address: PO Box 856
Warsaw, NC 28398
Cou
Designed By:
Checked By:
Date:
Sheet 6 of 6
JEO
KBW
10/16/23
This Anerobic Digester is designed in accordance with the North Carolina Natural Resources Conservation
Service PRACTICE STANDARD 366- ANEROBIC DIGESTER, revised in September, 2018.
The Waste Storage Pond is designed in accordance with the North Carolina Natural Resources Convservation
Service PRACTICE STANDARD 313- WASTE STORAGE FACILITY, revised in December, 2017.
`SFPAF&AN11114c?
DESIGNED:
DATE: 11 /27/2023
COMMENTS: The lagoon has been designed as an irregular shape.
accounted for and that storage volumes calculated represent actual
conditions regardless of the shape.
Effluent from the digester will be transferred to the existing lagoon treatment
and sto
l certify, to the best of my professional knowledge, judgement, and belief, this design calculation
is in accordance with the applicable NRCS standards.
Smithfield Hog Production Engineering P.O. Box 856, Warsaw NC 28398 [phone]