660030_Application_20220321

Smithfield
Good food. 1?,ezPonib(
PO Box 856
Warsaw, NC 28398
March 11, 2022
Ms. Christine Lawson
Water Quality Permitting Section
Animal Feeding Operations Program
1636 Mail Service Center
Raleigh, NC 27699-1636
Re: Gaston Farm 27-30 (06-0030) Site Plan Review
Dear Ms. Lawson:
REcElVO
MAR 212022
NC DEQIDWR
Central Office --
Smithfield Hog Production is seeking a permit modification of AWS060030 to construct two covered
lagoon digesters and biogas collection system on this site. The farm is on Warner Bridge Road
approximately 3 miles northeast of Gaston, North Carolina. This project will involve covering one
existing lagoons, constructing one new digester, installing lift stations, Level control (effluent) transfer
stations and mixing systems.
This package is being submitted for permit plan approval by NCDWR for the proposed covered lagoon
digesters. The following items are included in this package:
• New Swine Digester Animal Waste Management System Permit Application
• Engineering documents
• Construction Narrative
• O&M Plan
• CAWMP
• Location & Setback Map
• Site plans and Details
Thank you for taking the time to review this project. Please contact me at [phone] or
[e-mail] if you have any questions or need additional information.
Sincerely,
``.. Jason E. Olmstead, P.E.
Engineering Project Manager

Swine Digester Animal Waste Management System
1. GENERAL INFORMATION:
1.1 Facility name: Farms 27-30
1.2 Print Land Owner's name: Murphy -Brown LLC
1.3 Mailing address: PO Box 856
City, State: Warsaw. NC
Telephone (include area code): 910 293-3434 Fax
1.4 Physical address: 648 Gilt Lane
City, State: Garysburg NC
Zip: 28398
[phone] Email: kwilliams'Wsmithfield.com
Zip: 27831
Telephone number (include area code): 910) 293-
Latitude 36.539050 Longitude-77.6175750 (Decimal Degrees From Google Earth)
1.5 County where facility is located: Northampton
1.6 Facility location (directions from nearest major highway, using SR numbers for state roads): From Intersection of NC Hwy
46 & NC Hwl 48 in Gaston. take NC Hwy 48 NE for 1.6 mi and turn left onto SR 1201 and �o a rox 2.5 mi to farm entrance
on right.
1.7 Farm Manager's name (if different from Land Owner):
1.8 Lessee's / ma's name (if applicable; circle which type is listed): Smithfield Ho,= Production (company owned farm
1.9 Facility's original start-up date: 1997 Date(s) of facility expansion(s) (if applicable):
1.10 Design Contact name: Jason E. Olmstead Phone [phone] Email: 1glMstead,1 smithfield.com
2. OPERATION INFORMATION:
2.1 Facility number: 66-0030
2.2 Operation Description:
Please enter the Design Capacity of the system. The "No. of Animals" should be the maximum number for which the
current swine waste management system is permitted.
Type of Swine No. of Animals
❑ Wean to Finish
❑ Feeder to Finish
❑ Farrow to Wean (# sow)
❑ Farrow to Feeder (# sow)
❑ Farrow to Finish (# sow)
® Wean to Feeder 49.286
❑ Gilts
❑ Boar/Stud
2.3 Acreage cleared and available for application (excluding all required buffers and areas not covered by the application
system):
Required Acreage (as listed in the CAWMP): 305.61 Acres
Existing Application Area (pre -construction): 305.61 Acres
Proposed Application Area (after construction): 305.61 Acres
Is there a change to the existing WUP? or NO (circle one)
SDAWMS20200220 Page 1 of 6

Swine Digester Animal Waste Management System
Is the Existing WUP attached? YES or NO (circle one)
Is the New (if applicable) WLTP attached? YES or NO (circle one)
2.4 List and Describe all Storage/Treatment Structures Below:
a. DIGESTER or PRIMARY TREATMENT:
Treatment
Unit Type
Existing?
(Y�)
Name of
Treatment Unit
Type of
Liner
Material
Surface
Area
(s.f.
Req'd
Type of Cover Ttl Capacity Capacity
Material (cu. ft.) (cu. ft.)
Covered Lag
Y
FCell 1. 8527
Soil Impro
186,615
Synthetic (80 mil)
2,119,703
1,355,310
Digester
N
8529 Digester
Synthetic
163,800
Synthetic (80 mil)
1,735,692
1,355,310
Digester
Select
Select
Select
Select
Select
b. SECONDARY STORAGE:
Name of Storage
Unit
Existing? Type of Liner
(YN Material Surface Area
Y Soil Improved 189,436
Ttl Capacity
(cu. ft.)
Req'd Capacity
(cu. ft.)
85281st
1,773,277
908,313
8528 2nd
Y
Soil Improved
94,610
846,664
800,054
8529lst
Y
Soil Improved
185,011
1,698,333
1,134,922
8529 2nd
Y
Soil Improved
95,987
1,135,859
801,523
85301st
Y
Soil Improved
192,095
2,190,909
911,349
8530 2nd
Y
Soil Improved
88,490
990,679
913,421
8527 2nd
Y
Soil Improved
90,424
932,642
795,275
2.5 Are KNOWN subsurface drains present within 100' of any application fields?
2.6 Are KNOWN subsurface drains in the vicinity or under the waste management system?
2.7 Does this facility meet all applicable siting requirements? (See 3.3 for checklist)
2.8 Describe Water Movement between Barns, Digesters, and Storage Ponds
IMor NO (circle one)
YES or E (circle one)
Ujor NO (circle one)
—T--
Location Pump Station or
Gravity
pipe Size
Minimum Pump
Capacity
Plan Sheet
Reference
C101
GPM
TDH
Barns to Digester
GravityF27-1
12"
1500
2
Barns to Digester
GravityF27-2
12"
1500
2
C101
Barns to Digester
Gravity lower Barns
12"
1500
2
C102
Barns to Digester
Gravity Big Barn
12"
1500
2
C102
Barns to Digester
Gravity F28-1
12"
1500
35
C101/C102
Select
Digester to Secondary
Pump Station F27-3
8"
500
60
C101/C102
SDAWMS20200220
Page 2 of 6

Swine Digester Animal Waste Mana
ement S
stem
Secondary to Tertiary
Gravity
12"
1500
2
C 102
Barns to Digester
Gravity F29-1
12"
1500
2
C 103
Bams to Digester
Pump Station F29-1
8"
500
20
C103
Barns to Digester
Gravity F29-2
12"
1500
2
C103
Barns to Digester
Pump Station F29-2
8"
800
40
C103
Barns to Digester
Gravity F30-1
12"
1500
2
C104
Barns to Digester
Pump Station F30-1
.8"
500
20
C104
Barns to Digester
Gravity F30-2
12"
1500
2
C104
Barns to Digester
Pump Station F30-2
8"
800
40
C104
Digester to Secondary
Gravity
12"
1500
2
C104
Secondary to Tertiary Pump Station F29-3
8"
500
60
C103/C104
3. REQUIRED ITEMS CHECKLIST:
Please indicate that you have included the following required items by signing your initials in the space provided next to each
item.
3.1 One completed and signed original of the application for Swine Digester Animal Waste
Management System Application Form.
3.2 One copy of a general location map indicating the location of the animal waste facilities and
field locations where animal waste is land applied and a county road map with the location of
the facility indicated.
3.3 Documentation that proposed swine treatment/storage structures (NEW) meet the Swine Farm
Siting Act, including a site map. The scale of this map shall not exceed 1 inch = 400 feet. Site
Map included?
All proposed digesters to occupied residences _> 1500 feet OR no closer than existing setback.
Existing setback = 1500 feet No Proposed Structures at Farm 27.28,30
All proposed digesters to schools, hospitals, churches, outdoor recreational facilities, national
parks, state parks, historic properties, or child care centers > 2500 feet OR no closer than
existing setback. Existing setback = 2500 feet No Proposed Structures at Farm 27,28.30
All proposed digesters to property boundaries > 500 feet OR no closer than existing setback.
Existing setback = 500 feet No Proposed Structures at Farm 27.28.30
All proposed digesters to Public Water supply wells > 500 feet.
The map shall show the location of any property boundaries and perennial streams or rivers
located within 75 feet of waste application areas.
3.4 One copy of all engineering documents, including, but not limited to, calculations,
equipment specifications, plan and profile drawings to scale, construction materials,
supporting equations or justifications. Drawings shall be submitted (1) copy 24x36
AND (1) Copy 11x17.
3.5 One copy of a detailed narrative of the Swine Digester Animal Waste Management System.
SDAWMS20200220
Applicants Initials
JO
JO
YES or NO
YES or NO
YES or NO
YES or NO
YES; or NO
or NO
JO
JO
Page 3 of 6

Swine Digester Animal Waste Management System
3.6 One copy of the CAWMP. The CAWMP must include the following components. Some of
these components may not have been required at the time the facility was certified but should be
added to the CAWMP for permitting purposes:
3.6.1 The Waste Utilization Plan (WUP) must include:
• The amount of Plant Available Nitrogen (PAN) produced and utilized by the facility
• The method by which waste is applied to the disposal fields (e.g. irrigation, injection, etc.)
• A map of every field used for land application
• The soil series present on every land application field
• The crops grown on every land application field
• The Realistic Yield Expectation (RYE) for every crop shown in the WUP
• The PAN applied to every application field
• The waste application windows for every crop utilized in the WUP
• The required NRCS Standard Specifications for WUPs.
3.6.2 A site schematic. See Plan Sheet C 100
3.6.3 Emergency Action Plan
3.6.4 Insect Control Checklist with chosen best management practices noted
3.6.5 Odor Control Checklist with chosen best management practices noted
3.6.6 Mortality Control Checklist with the selected method noted
3.6.7 Lagoon/storage pond capacity documentation (design, calculations, etc.); please be
sure to include any site evaluations, wetland determinations, or hazard classifications
that may be applicable to your facility
3.6.8 Operation and Maintenance Plan
3.6.9 Most recent annual Sludge Survey
If your CAWMP includes any components not shown on this list, please include the additional components with your
submittal. (Composting, waste transfers, etc.)
4. ENGINEER'S CERTIFICATION:
I, David S. Elkin (P.E. representing Owner's name listed in question 1.2), attest that this
application for Farms 27-30 (Facility name listed in question 1.1) has been reviewed by me and is accurate and complete to the best of
my knowledge. I understand that if all required parts of this application are not completed and that if all required supporting
information and attachments are not included, this application package will be returned to me as incomplete.
Signature
Engineer's Seal
`����eeeeearei

Date 03/14/2022
5. FARM OWNER/PERMITTEE CERTIFICATION:
I, _Kraig Westerbeek (Owner/Permittee name listed in question 1.2), attest that this
application for Farms 27-30 (Facility name -listed in question 1.1) has been reviewed by me and is accurate and complete to the best of
SDAWMS20200220 Page 4 of 6

Swine Digester Animal Waste Management System
my knowledge. I understand that if all required parts of this application are not completed and that if all required supporting
information anq,*Kachments are,,,6¢t incWed, this application package will be returned as incomplete.
Signature X / LZ Date 03/14/2022
6. MANA .ER'SICERTIFICATION: (complete only if different from the Farm Owner)
(Manager's name listed in question 1.7), attest that this application for
Gd, (Facime listed in question 1.1) has been reviewed by me and is accurate and complete to the best of my knowledge. I
understand that if all required parts of this application are not completed and that if all required supporting information and
attachments arW)t included, this application package will be returned as incomplete.
Signature
Date 03/14/2022
THE COMPLI�TED/APPLICATION11C'CKAGE, INCLUDING ALL SUPPORTING INFORMATION AND MATERIALS,
SHOULD BE _ EN-t TO THE FOLLOWING ADDRESS:
NORTH CAROLINA DIVISION OF WATER RESOURCES
WATER QUALITY PERMITTING SECTION
ANIMAL FEEDING OPERATIONS PROGRAM
1636 MAIL SERVICE CENTER
RALEIGH, NORTH CAROLINA 27699-1636
TELEPHONE NUMBER: [phone]
FAX NUMBER: [phone]
7. SURFACE WATER CLASSIFICATION:
This form must be completed by the appropriate DWR regional office and included as a part of the
project submittal information.
INSTRUCTIONS TO NC PROFESSIONALS:
The classification of the downslope surface waters (the surface waters that any overflow from the facility would flow toward) in
which this animal waste management system will be operated must be determined by the appropriate DWQ regional office.
Therefore, you are required, prior to submittal of the application package, to submit this form, with items 1 through 6
completed, to the appropriate Division of Water Resources Regional Operations Supervisor (see page 5 of 5). At a minimum,
you must include an 8.5" by I I" copy of the portion of a 7.5 minute USGS Topographic Map which shows the location of this
animal waste application system and the downslope surface waters in which they will be located. Identify the closest
downslope surface waters on the attached map copy. Once the regional office has completed the classification,
reincorporate this completed page and the topographic map into the complete application form and submit the
application package.
7.1 Farm Name: Farm 27-30
7.2 Name & complete address of engineering firm: Smithfield Hog Production Engineering
Telephone: [phone] Fax: [phone] Email: kwilliams+ii smithfield.com
7.3 Name of closest downslope surface waters: East side of Property Beaverponds Creek
7.4 County(ies) where the animal waste management system and surface waters are located: Northampton
7.5 Map name and date: 2022 NC - ROANOKE RAPIDS & NC-WELDON: 2022 VA-BALEY & SKIPPERS
7.6 NC Professional's Seal (If appropriate), Signature, and Date:
SDAWMS20200220 Page 5 of 6

Swine Digester Animal Waste Management System
TO: REGIONAL OPERATIONS SUPERVISOR
Please provide me with the classification of the watershed where this animal waste management facility will be or has been
constructed or field located, as identified on the attached map segment(s):
Name of surface waters: Beaverpond Creek
Classification (as established by the Environmental Management Commission): C;Sw
Proposed classification, if applicable:
Signature of regional office personnel: Date:
(All attachments must be signed)
DIVISION OF WATER RESOURCES REGIONAL OFFICES (09/2016)
Asheville Regional Supervisor
2090 U.S. Highway 70
Swannanoa, NC 28778
[phone]
Fax [phone]
Avery
Macon
Buncombe
Madison
Burke
McDowell
Caldwell
Mitchell
Cherokee
Polk
Clay
Rutherford
Graham
Swain
Haywood
Transylvania
Henderson
Yancey
Jackson
Fayetteville Regional Supervisor
225 Green Street, Suite 714
Fayetteville, NC 28301-5094
[phone]
Fax [phone]
Anson
Moore
Bladen
Richmond
Cumberland
Robeson
Harnett
Sampson
Hoke
Scotland
Montgomery
Winston-Salem Regional Supervisor
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
[phone]
Fax [phone]
Alamance Rockingham
Alleghany Randolph
Ashe Stokes
Washington Regional Supervisor
943 Washington Square Mall
Washington, NC 27889
[phone]
Fax [phone]
Beaufort Jones
Bertie
Lenoir
Camden
Martin
Chowan
Pamlico
Craven
Pasquotank
Currituck
Perquimans
Dare
Pitt
Gates
Tyrell
Greene
Washington
Hertford
Wayne
Hyde
Mooresville Regional Supervisor
610 East Center Avenue, Suite 301
Mooresville, NC 28115
[phone]
Fax [phone]
Raleigh Regional Supervisor
1628 Mail Service Center
Raleigh, NC 27699-1628
[phone]
Fax [phone]
Chatham
Durham
Edgecombe
Franklin
Granville
Halifax
Johnston
Lee
Nash
Northampton
Orange
Person
Vance
Wake
Warren
Wilson
Wilmington Region Supervisor
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
[phone]
Fax [phone]
Alexander
Lincoln
Brunswick New Hanover
Cabarrus
Mecklenburg
Carteret Onslow
Catawba
Rowan
Columbus Pender
Cleveland
Stanly
Duplin
Gaston
Union
Iredell
SDAWMS20200220 Page 6 of 6

Swine Digester Animal Waste Management System
Caswell
Surry
Davidson
Watauga
Davie
Wilkes
Forsyth
Yadkin
Guilford
SDAWMS20200220 Page 7 of 6

Gaston Farms 27-30 (66-0030)
648 Gilt Lane
Garysburg, North Carolina
Northampton County
Anaerobic Digester Construction Narrative
Prepared by: Jason Olmstead
February 22, 2022
Smithfield
600A food. 1(Zespomibl8'.
PO Box 856
2822 Hwy 24 West
Warsaw, NC 28398
Phone [phone]
Fax [phone]
Email: [e-mail]

TABLE OF CONTENTS
SECTION PAGE
1.0 PROJECT DESCRIPTION......................................................................................... ...... 3
2.0 SITE DESCRIPTION................................................................................................... ...... 3
3.0 PLANNED SITE CONSTRUCTION ........................................................................................ 3

1.0 PROJECT DESCRIPTION
Smithfield Hog Production is proposing to cover two anaerobic lagoons to create one covered digester,
construct one new digester, and biogas collection system on this S00-acre farm. The farm is in north
west Northampton County approximately 3 miles northeast of Gaston, North Carolina. The site will
continue to raise finisher pigs and will add the biogas collection portion to the existing system. The
proposed project consists of two soil improved (clay) lined, synthetic covered lagoons; a synthetic lined,
synthetic covered lagoon; six existing lagoons utilized as waste storage ponds. Finishing animal manure
will be collected into the covered lagoon by a combination of gravity discharge where possible and lift
stations where necessary. Each covered lagoon will include; a mixing station, a biogas conditioning skid,
and buried biogas pipeline to transport the biogas to the cleaning station. The purpose of this narrative
is to describe the covered lagoon RNG capture system that will be modified at this site in addition to the
existing permitted anaerobic lagoons and spray field.
2.0 SITE DESCRIPTION
The Gaston Farm is a Smithfield Hog Production/Murphy Farms, Inc. company owned finisher. It is a
large, combined permit for 49,286 head wean to finish. The site currently consists of multiple finishing
barns. The farm has 4 two stage anaerobic waste lagoon Systems. The farm has been in some form of
operation since 1991 with the majority of the operations built in the early 1990's.
3.0 PLANNED SITE CONSTRUCTION
The main construction portion for this site will be covering two existing lagoons and constructing a
new digester. The lagoons will receive waste from barns via a combination of gravity discharge and
a new lift station to receive waste. Other construction activities will be lift stations for waste
collection from barns, recycle water pump relocation to allow recycle water to be pumped from
open top waste storage ponds to the barns that are flowing into the covered lagoons, water return
lines to remove effluent water from the covered lagoons and store in the waste storage ponds and
gas collection pipe network throughout the property.
2. There will be two lift station at each farm (as Applicable), a concrete tank buried sufficiently deep to
allow discharge from the header pipes at the Farms. The lift stations will have one or two GEA 4"
Manure Pumps. This lift stations will have the top of the lift station above the lowest buildings
finished floor elevation. If the pumps do not control the water, the water would then seek level
inside of the buildings using the pits as storage. No water would go over the top of the lift station
before it was visible in the barns to the employees. Wastewater collected in the lift station is
pumped through a 6"/8" DR 17 high density polyethylene (HDPE) force main into the digester.

3. The covered lagoons are existing earthen basins constructed from native soils and lined with
compacted clay. There will be 2 covered lagoons in total on the site. The cover will be constructed
from 80 mil HDPE and will be secured into an anchor trench at the top of the berm for each site.
The cover will have weighted pipes on top for ballast and to channel rainwater into manageable
areas. The rainwater will be pumped off the cover into the adjoining fields.
4 The digester will be a synthetically lined earthen basin constructed from native soils and lined with
60-mil HDPE. There will be one digester in total on the site. The cover will be constructed from 80
mil HDPE and will be secured into an anchor trench at the top of the berm. The cover will have
weighted pipes on top for ballast and to channel rainwater into manageable areas. The rainwater
will be pumped off the cover into the adjoining fields.
5. All the waste from the buildings will be discharged under the covered lagoon/digester. A modified
baffle system is proposed for the systems. A mixing pump will be installed at each covered
lagoon/digester. The pump will pull water from under the cover and discharge it back into the
covered lagoon. If the pump does not turn on due to a failure, no wastewater can leave the system.
The mixing system cycle time will be optimized to ensure distribution of feed stock to the anaerobic
bacteria.
6. The liquid level of the digester will be maintained at an operating level of 21"-27" with 12" of
structural freeboard by a 12" outlet pipe into a level control pump station. Water under the cover
will use gravity to flow out of the 12" pipe into the pump station and be pumped to an existing
lagoon for storage.
7. The required waste treatment is now under one of two covered lagoons/digesters so the remaining
existing lagoons will now run as waste storage ponds. The waste storage ponds will be used for
secondary storage volume. In the event the covered lagoon digesters fail or other unforeseen
catastrophic events occur, the waste storage ponds can revert to their originally permitted lagoon
status. The CAWMP will manage the land application of nutrients stored in the waste storage pond.
8. Biogas will be collected under the 80 mil HDPE cover. To remove the gas there will be a perforated
pipe at the top of the berm under the cover to provide a pathway for the gas. The pipe will be
buried under the anchor trench and come out on the outside of the covered lagoon digester dike.
The gas will be piped to the skid mounted biogas conditioning pad. The on -farm biogas conditioning
pad removes moisture from raw biogas. This clean condensate will be pumped into the adjoining
field or returned to the lagoon. The dry biogas will now enter the on farm pipeline to be carried to
the centralized gas cleaning station.

Facility Number: 66-0030
Grower: Gaston Farm 8029
Address: PO Box 759
Rose Hill, NC 28458
County: Bladen
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 1 of 12
ANAEROBIC DIGESTER DESIGN
FARM INFORMATION
Wean to Finish:
Finishing:
Recycle Flush Water Volume:
DIGESTER INFORMATION
Is Digester Designed as an Irregular Shape?
Was This Facility Built Prior to 9/96?
Is Drain Tile Req'd to Lower SHWT?
Seasonal High Water Table Elev:--------
Freeboard:--------
Side Slopes:
Inside Top Length:
Inside Top Width:
Top of Dike Elevation:
Finished Bottom Elevation:
Start Pump Elevation:
Stop Pump Elevation:
DIGESTER VOLUMES REQUIRED VOL.
Freeboard = 0 (Cu.Ft.)
Temporary = 0 (Cu.Ft.)
Treatment = 1355310 (Cu.Ft.)
Total Volume = 1,355,310 (Cu.Ft.)
Farm Population:
(Y/N)
(Y/N)
(Y/N )
Depth
15.50 Ft.
21 In.
27 In.
DESIGN VOLUMES
117,571 (Cu.Ft.)
76,637 (Cu.Ft.)
1,587,515 (Cu.Ft.)
1,781,723 (Cu.Ft.)
Lagoon Surface Area: (Inside TOD) -------------------
Smithfield Hog Production Engineering P.O. Box 856 ,Warsaw, NC 28398
N
N
N
24642 Hd.
0
U
128.50 Ft.
1.0 Ft.
3 :1 (H:V)
630.0
Ft.
260.0
Ft.
139.50
Ft.
124.00
Ft.
137.75
Ft.
137.25
Ft.
% REQ'D.
117.13%
131.46%
163,800 S.F.
[phone]

racilliy wumaer: bb-uu ju
Grower: Gaston Farm 8029
Address: PO Box 759
Rose Hill, NC 28458
County: Bladen
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 2 of 12
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: Cu. Ft.
DIGESTER STAGE -AREA VOLUMES
Contour
Elevation (FT.) Area (SF) Incr. Vol. t Cu. FT;
124.00
89,679
125.00
93,939
126.00
98,271
127.00
102,675
128.00
107,151
129.00
111,699
130.00
116,319
131.00
121,011
132.00
125,775
133.00
130,611
134.00
135,519
135.00
140,499
136.00
145,551
137.00
150,675
138.00
155,871
139.00
161,139
139.50
163,800
91,809
96,105
100,473
104,913
109,425
114,009
118,665
123,393
128,193
133,065
138,009
143,025
148,113
153,273
158,505
81,235
Cumul. Vol. (Cu. FT)
0
91,809
187,914
288,387
393,300
502,725
616,734
735,399
858,792
986,985
1,120, 050
1,258,059
1,401, 084
1,549,197
1,702,470
1,860,975
1,942,210
These volumes were calculated using the vertical average end area method
TOTAL REQD VOL 1,355,310
CF
(CUMULATIVE
VOL.
ZONE VOL. 131.46%
END PUMP = = _ = 137.25
FT
1,587,515 CF
TR'MT
1,587,515 117.13%
START PUMP = _ = 137.75
FT
1,664,152 CF
TEMP
76,637
MAX STORAGE = 138.50
FT
1,781,723 CF
STORM
117,571
Smithfield Hog Production Engineering P.O. Box 856,Warsaw, NC 28398 [phone]

urower: Gaston Farm 8029 Primary Designed By: JEC
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 03/10/22
County: Bladen Sheet 3 of 12
WASTE STORAGE POND DESIGN 2nd STAGE
FARM INFORMATION
Wean to Finish:
Finishing:
Storage Period:
100 Yr. / 24 Hr Storm Event
"Heavy Rain" Factor
Rainfall in Excess of Evaporation
Additional Water Usage:
Additional Drainage Area:
Farm Population:
-------------------
vot Applicable Even if Value Shown
STORAGE INFORMATION
Is Storage Pond Designed as an Irregular Shape? (Y/N)------------
Does Operator Want Emergency Spillway? (Y/N)------------
Was This Design Built Prior to 9/96? (Y/N)------------
Is Drain Tile Req'd to Lower SHWT? (Y/N)------------
Seasonal High Water Table Elev: -------------------
Freeboard: -------------------
Emergency Spillway Flow Depth: Not Applicable Even if Value Shown
Side Slopes: -------------------
Top of Dike Elevation:
Finished Bottom Elevation
Start Pump Elevation:
Stop Pump Elevation:
From Lagoon Volume Check Contours
---tour areas see sheet 2 of T..
---------------- Depth
BOTTOM E 12.21 Ft.
---------------- 19.32 I n .
---------------- 82.2 I n .
STORAGE VOLUME REQUIRED VOL. DESIGN VOLUMES
Y
N
Y
N
24642 Hd.
0
180 Days
6.7 In.
0
7 In.
0
0
128.50
Ft.
1.0
Ft.
0
3
:1 (H:V)
0.0
0.0
137.59
Ft.
125.38
Ft.
135.98
Ft.
130.74
Ft.
% REQ'D.
Storm Stor =
103298
(Cu.Ft.)
109,937
(Cu.Ft.)
106.43%
Temporary =
1254587
(Cu.Ft.)
877,115
(Cu.Ft.)
69.91 %
Permanent =
0
(Cu.Ft.)
722,102
(Cu.Ft.)
Total Volume =
1,357,884
(Cu.Ft.)
1,709,154
(Cu.Ft.)
125.87%
90 Temporary Storage Volume Elevation = 132.68 Ft. i
Lagoon Surface Area: (Inside TOD)-------------------
58.97 In.
185,011 S.F.
Smithfield Hog Production Engineering P.O. Box 856, Warsaw, NC 28398
[phone]

{grower: uaston F-arm bU29 P
Address: PO Box 759
Rose Hill, NC 28458
County: Bladen
ary
Checked By: DSE
Date: 03/10/22
Sheet 4 of 12
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: ®Cu. Ft.
STORAGE POND STAGE -AREA VOLUMES
Contour
Elevation (FT.
Area is SF-)
I ncr. Vol. (Cu. FT)
126.82
130,259
127.00
131,631
23,570
128.00
139,002
135,317
129.00
145,150
142,076
130.00
150,997
148,074
131.00
156,842
153,920
132.00
162,100
159,471
133.00
166,206
164,153
134.00
170,284
168,245
135.00
174,384
172,334
136.00
178,459
176,421
137.00
182,248
180,353
137.82
185,011
150,576
Cumul. Vol. (Cu. FT)
159,165
182,735
318,052
460,128
608,201
762,121
921,592
1,085,745
1,253, 990
1,426,325
1,602,746
1,783, 099
1,933,675
These volumes were calculated usinq the vertical averaqe end area method.
TOTAL REQD VOL 1,355,310
CF
CUMULATIVE
VOL.
ZONE VOL.
125.87%
END PUMP = _ _ = 130.74
FT
722,102 CF
TR'MT
722,102
START PUMP = _ = 135.98
FT
1,599,218 CF
TEMP
877,115
69.91%
MAX STORAGE = 136.59
FT
1,709,154 CF
STORM
109,937
106.43%
Smithfield Hog Production Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

Grower: Gaston Farm 8029 Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 03/10/22
County: Bladen Sheet 5 of 12
MINIMUM REQUIRED VOLUME CALCULATIONS DIGESTER
Permanent Storage:
Required Treatment Volume:
Animal Type Capacity (cu.ft./hd) = Tots
n
Wean to Finish 24,642 55.00 1,355,310
Finishing 0 32.00 0
Total Required Treatment Volume (cu. ft.—)=
Sludge Storage Volume:
Wean to Finish 24,642 115
Finishing 0 135
Total Required Sludge Storage Volume (cu.
No Storm Storage Unless a Partial Cover Digester
1,355,310
cu.t./lb) = Tote
0.00 0
0.00 0
0
Vol.=(Digester Surf. Area + Addt'I Drainage Area) * 100Yr./24Hr. Storm(in) / 12in./ft.
Vol.= (163800 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for 100Yr./24Hr. Storm Event (cu.ft)= 0
No "Heavy Rain" Storage Unless a Partial Cover Digester:
Vol.=(Digester Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (163800 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Total Required Storm Storage
(100Yr. / 24Hr. Storm +'Heavy Rain')= 0 (CU.FT)
Total Required Permanent Storage
(Treatment + Sludge) = 1,355,310 (CU.FT)
TOTAL REQUIRED DIGESTER VOLUME = 1355310 (CU.FT.)
P.O. Box 856, Warsaw NC 28398 (915)

Grower: Gaston Farm 8029 Primary Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 03/10/22
Countv: Bladen Sheet 6 of 12
Temporary Stora-e Volume.
Manure Production:
Animal Type Capacity * Sto. Period = Total
Wean to Finish
24,642
180
1.17
5,176,299
Finishing
0
180
1.40
0
Total Manure Production (gals.)= 5,176,299
Total Manure Production (cu.ft.)= 692,019
Excess Fresh Water:
Animal Type Capacity Sto. Period =Total
n
Wean to Finish
24,642
180
0.77
3,400,744
Finishing
0
180
0.90
0
7
Total Fresh Water Excess (gals.)= 3,400,744
Total Fresh Water Excess (cu.ft.)= 454,645
LWA
10) 293-3434

Grower: Gaston Farm 8029 Primary
Address: PO Box 759
Rose Hill, NC 28458
County: Bladen
Temporary Storage Volume: (Cont.)
Designed By: JEO
Checked By: DSE
Date:
Sheet 7 of 12
03/10/22
Rainfall in Excess of Evaporation: Only in Waste Storage Pond since digester is covered
Vol.=(Digester Surface Area + Waste Storage Pond Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (0.0 sq.ft. + 185011 sq.ft. + 0 sq.ft.) * 7.0 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 107,923
Storm Storage: Only in Waste Storage Pond since digester is covered
Vol.=(Digester Surface Area + Waste Storage Pond Area 1 * 100Yr./24Hr Storm (in.)/12in./ft.
Vol.= (0.0 sq.ft. + 185011 sq.ft. + 0 sq.ft.) * 6.7 in.
Total Required Volume for 100Yr./24Hr. Storm Event (cu.ft)= 103,298
"Heavy Rain" Storage: Only in Waste Storage Pond when required since digester is covered
1.=(Digester Surface Area + Waste Storage Pond Area + Additional Drainage Area) * Heavy Rain Factor(in) / 12in
Vol.= (0.0 sq.ft. + 185011 sq.ft. + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Additional Water Storage:
No Additional Water Storage is Required
0
Total Required Storm Storage
(100Yr. / 24Hr. Storm +'Heavy Rain')=
0
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage)=
Total Required Permanent Storage
(Treatment + Sludge) _
103,298 (CU.FT)
1,254,587 (CU.FT)
0 (CU.FT)
TOTAL REQUIRED 2nd STAGE VOLUME = 1357884 (CU.FT.)
28398 (910)

Grower: Gaston Farm 8029 Primary
Address: PO Box 759
Rose Hill, NC 28458
Countv: Bladen
Designed By: JEO
Checked By: DSE
Date:
Sheet 9 of 12
STORAGE POND DESIGN SUMMARY 2nd STAGE
03/10/22
Top of Dike Elevation -------------------
137.59
FT.
Emergency Spillway Crest Elevation -------------------
Not
Applicable
Top of 100Yr. / 24Hr. Storm Storage -------------------
136.59
FT.
Top of "Heavy Rain" Storage -------------------
Not
Applicable
Start Pump Elevation -------------------
135.98
FT.
End Pump Elevation -------------------
130.74
FT.
Top of Sludge Storage -------------------
Not
Applicable
Seasonal High Watertable Elev.-------------------
128.50
FT.
Finished Bottom Elevation -------------------
125.38
FT.
Inside Top Length -------------------
Not
Applicable
Inside Top Width -------------------
Not
Applicable
Side Slopes -------------------
3.0:1
H:V
Lagoon Surface Area -------------------
185,011
SF
Freeboard Depth -------------------
1.00
FT.
Temporary Storage Period -------------------
180
Days
Zone Depths:
TOTAL DESIGN VOLUME = 1709154 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- 5.4 FT.
Temporary Storage Zone Depth ----------- 5.2 FT.
Freeboard / Storm Storage Zone Depth ----------- 1.6 FT.
Total Storage Pond Depth --------- 12.2 FT.
Smithfield Hog Production Engineering P.D. Box 856, Warsaw NC 28398 [phone]

Grower: Gaston Farm 8029 Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 03/10/22
County: Bladen Sheet 10 of 12
/ 1
/ 1
/ 1
11
START PUMP EL.= 137.7 1
1
END PUMP EL. = 137.25 1
1
1
1
1
ZONE ELEVATIONS DIGESTER
TOP OF DIKE ELEV = 139.50
TOP OF TEMP STORAGE ELEV = 137 75
FINISHED BOTTOM ELEV = 124.00
i1
/ 1
/ 1
SHWT = 128.50
arnnnnum nog rroaucuon cngineenng r.u. dox Ubb, Warsaw NC Z8398 [phone]

Grower: Gaston Farm 8029 Primary Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 03/10/22
County: Bladen Sheet 11 of 12
/ 1
1
/ 11
1
START PUMP EL.= 135.9 1
1
END PUMP EL. = 130.74
ZONE ELEVATIONS STORAGE POND
TOP OF DIKE ELEV = 137.59
TOP OF STORM ELEV = 136.59
TOP OF TEMP STORAGE ELEV = 135.98
1 TOP OF PERMANENT ELEV = 130
1
1
1
1
FINISHED BOTTOM ELEV = 125.38
/ 1
SHWT = 128.50
ofinumeru nug rruuuuuu rt cngrneenng I- U. dOX ti5fi, Warsaw NC; 28398 [phone]

Grower: Gaston Farm 8029 Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 03/10/22
Countv: Bladen Sheet 12 of 12
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.
``

DESIGNED:
DATE: 3 / 7
COMMENTS: The lagoon has been designed as an irregular shape. Actual contour areas
taken from the lagoon design are used to calculate the surface area and storage volume
characteristics of the lagoon. This approach ensures that rainfall capture on the lagoon is
fullv accounted for and that storaae volumes calculated represent actual conditions.
Elevations are based on an assumed benchmark and do not represent mean sea level datum.
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]

Grower: Gaston Farm 29 Secondary Designed y:
Address: PO Box 1240 Checked By -
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 1 of 7
WASTE STORAGE POND DESIGN
FARM INFORMATION
Farm Population.
Nursery: -------------------
0
Wean to Finish: -------------------
24642 Hd.
Finishing: -------------------
0
Farrow to weanling:-------------------
0
Farrow to feeder: -------------------
0
Farrow to finish: -------------------
0
Boars: -------------------
0
Storage Period: -------------------
180 Days
25 Yr. / 24 Hr Storm Event -------------------
6.7 In.
"Heavy Rain" Factor
Rainfall in Excess of Evaporation -------------------
7.0 In.
Additional Water Usage: -------------------
0
Additional Drainage Area: -------------------
0
LAGOON INFORMATION
Is Lagoon Designed as an Irregular Shape? (Y/N)------------
Y
Does Operator Want Emergency Spillway? (Y/N)------------
N
Was This Design Built Prior to Sept. 1996? (Y/N)------------
Y
Is Drain Tile Req'd to Lower SHWT? REQUIRED!!!!!!!
N
Seasonal High Water Table Elev:-------------------
128.00 Ft.
Freeboard: -------------------
1.0 Ft.
Emergency Spillway Flow Depth: Not Applicabl
Side Slopes: -------------------
3 :1 (H:V)
From Lagoon Volume Check Contours
0.0
contour areas see sheet 2 of 7...
0.0
Top of Dike Elevation: ---------------- Depth
137.59 Ft.
Finished Bottom Elevation: ---------------- 18.71 Ft.
118.88 Ft.
Start Pump Elevation: ---------------- 19.08 In.
136.00 Ft.
Stop Pump Elevation: ---------------- 183.6 In.
122.29 Ft.
LAGOON VOLUME REQUIRED VOL.
Storm Stor =
Temporary =
Permanent =
Total Volume =
DESIGN VOLUMES
53542 (Cu.Ft.) 52,971 (Cu.Ft.)
747980 (Cu.Ft.) 949,787 (Cu.Ft.)
0 (Cu.Ft.) 134,296 (Cu.Ft.)
801,523 (Cu.Ft.) 1,137,054 (Cu.Ft.)
1/2 Treatment Volume = 0 (Cu.Ft.)
1/2 Treatment Volume Elevation = 122.29 Ft.
90 Temporary Storage Volume Elevation = 131.02 Ft.
Min. Required Liner Thickness -------------------
Lagoon Surface Area: (Inside TOD)-------------------
% REQ'D.
98.93%
126.98%
141.86%
183.60 In.
78.86 In.
2.7 Ft.
95,897 S.F.
1V1u1Pny-0r0wn, LLu tngineenng P.O. Box 856,Warsaw, NC 28398 [phone]

Grower: Daston Farm 29 Secondary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 2 of 7
ACTUAL
DESIGN VOLUME CALCULATIONS
BASE VOLUME:
Cu. Ft.
LAGOON STAGE -AREA VOLUMES
Contour
Elevation (FT..
Area (SF)
Incr. Vol. fCu. FT)
Cumul. Vol (Cu. FTC
118.82
19,350
0
119.00
21,167
3,647
3,647
120.00
35,949
28,558
32,205
121.00
44,352
40,150
72,355
122.00
49,695
47,023
119,378
123.00
53,188
51,442
170,820
124.00
56,221
54.704
225.524
125.00
58,806
57,513
283,038
126.00
61,260
60,033
343,071
127.00
63,662
62,461
405,532
128.00
66,120
64,891
470,423
129.00
68,608
67,364
537,787
130.00
71,174
69,891
607,678
131.00
73,817
72,496
680,174
132.00
76,538
75,178
755,352
133.00
79,322
77,930
833,282
134.00
82,098
80,710
913,993
135.00
85,033
83,566
997,558
136.00
88,017
86,525
1,084,083
137.00
91,546
89,781
1,173, 865
137.53
95,897
49,672
1,223,537
These volumes were calculated using the vertical average end area method.
TOTAL READ VOL
801,523
CF
CUMULATIVE
VOL.
ZONE VOL.
141.86%
END PUMP = = = =
122.29
FT
134,296 CF
TR'MT
134,296
START PUMP = =:
136.00
FT
1,084,083 CF
TEMP
949,787
126.98%
MAX STORAGE =
136.59
FT
1,137,054 CF
STORM
52,971
98.93%
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

Grower: Gaston Farm 29 Secondary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 3 of 7
MINIMUM_ REQUIRED VOLUME CALCULATIONS
Permanent Storage:
Required Treatment Volume:
Animal Type Capacity ALW (cu.ft./lb) = Total
Nursery
0
30
1.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
1.00
0
Farrow to feeder
0
522
1.00
0
Farrow to finish
0
1,417
1.00
0
Boars
0
400
1.00
0
Total Required Treatment Volume (cu. ft.)=
Sludge Storage Volume:
0
Animal Type Capacity ALW (cuff/lb) = Total
Nursery
0
30
0.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
0.00
0
Farrow to feeder
0
522
0.00
0
Farrow to finish
0
1,417
0.00
0
Boars
01
400 1
0.000
0
Total Required Sludge Storage Volume (cu. ft.)=
Temporary Storage Volume:
Manure Production:
0
Animal Type Capacity * Sto. Period d./day) = Total
Nursery
0
180
0.30
0
Wean to Finish
24,642
180
1.17
5,176,463
Finishing
0
180
1.37
0
Farrow to weanling
0
180
4.39
0
Farrow to feeder
0
180
5.30
0
Farrow to finish
0
180
14.38
0
Boars
0
180
4.06
0
Total Manure Production (gals.)=
Total Manure Production (cu.ft.)=
Excess Fresh Water:
5,176,463
692,040
Animal Type Capacity * Sto. Period d./day) =_Total I
Nursery
0
180
0.00
0
Wean to Finish
24,642
180
0.00
0
Finishing
0
180
0.00
0
Farrow to weanling
0
180
0.00
0
Farrow to feeder
0
180
0.00
0
Farrow to finish
0
180
0.00
0
Boars
0
180
0.00
0
Total Fresh Water Excess (gals.)=
Total Fresh Water Excess (cu.ft.)=
0
0

Grower:
Gaston Farm 29 Secondary
Address:
PO Box 1240
Waverly, VA 23890
County:
Northampton
Tern orary
Storage Volume: (Cont.)
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 4 of 7
Rainfall in Excess of Evaporation:
Vol.=(Lagoon Surface Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (95897 sq.ft. + 0 sq.ft.) * 7 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 55,940
Storm Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in./ft.
Vol.= (95897 sq.ft + 0 sq.ft.) * 6.7 in. /12 in./ft.
Total Required Volume for 25Y0241-1r. Storm Event (cu.ft)= 53,542
"Heavy Rain" Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (95897 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Additional Water Storage:
No Additional Water Storage is Required
0 0
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')= 53,542 (CU.FT)
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage) = 747,980 (CU.FT)
Total Required Permanent Storage
(Treatment + Sludge) = 0 (CU.FT)
TOTAL REQUIRED VOLUME = 801523 (CU.FT.)
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]

Grower: Gaston Farm 29 Secondary
Address: PO Box 1240
Waverly, VA 23890
Countv: Northampton
LAGOON DESIGN SUMMARY
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 5 of 7
Top of Dike Elevation -------------------
137.59
FT.
Emergency Spillway Crest Elevation -------------------
Not AE Applicable
Top of 25Yr. / 24Hr. Storm Storage -------------------
136.59
FT.
Top of "Heavy Rain" Storage -------------------
Not
Applicable
Start Pump Elevation -------------------
136.00
FT.
End Pump Elevation -------------------
122.29
FT.
Top of Sludge Storage -------------------
Not
Applicable
Seasonal High Watertable Elev.-------------------
128.00
FT.
Finished Bottom Elevation -------------------
118.88
FT.
Inside Top Length -------------------
Not
Applicable
Inside Top Width -------------------
Not
Applicable
Side Slopes -------------------
3:1
H:V
Lagoon Surface Area -------------------
95,897
SF
Min. Liner Thickness (if required) -------------------
2.7
FT.
Freeboard Depth -------------------
1.00
FT.
Temporary Storage Period -------------------
180
Days
Zone�De -�ths_
TOTAL DESIGN VOLUME = 1137054 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- 3.4 FT.
Temporary Storage Zone Depth ----------- 13.7 FT.
Freeboard / Storm Storage Zone Depth ----------- 1.6 FT.
Total Lagoon Depth ----------- 18.7 FT.
Mumhv-Brown, LLC Emineerinq
NC 28398
1

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Grower: Gaston Farm 29 Secondary
Address: PO Box 1240
Waverly, VA 23890
County: Northampton
Designed By: JEO
Checked By: DSE
Date:
Sheet 7 of 7
This livestock waste treatment lagoon is designed in accordance with the United States
Natural Resources Conservation Service PRACTICE STANDARD 359- WASTE TREATMENT
LAGOON, revised prior to June, 1996.
Emergency Spillway:
An Emergency Spillway is not required.
DESIGNED:
DATE:
COMMENTS
NOTE: See attached Waste Utilization Plan
M
The lagoon has been designed as an irregular shape.
This design is update of start and stop pump elevations and to show the 1/2
03/ 10/22
treatment volume level for sludge storage. This design does not supercede the
original certification of the farm.
Elevations are based on an assumed benchmark and do not represent mean sea level datum.
/ certify, to the best of my professional knowledge, judgement, and belief, this design calculation
is in accordance with the applicable NRCS standards.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]

Grower: Gaston Farm 30 Primary esigne y: J
Address: PO Box 1240 Checked By: DSI
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 1 of 7
WASTE STORAGE POND DESIGN
FARM INFORMATION
Farm Population:
Nursery: -------------------
Wean to Finish: -------------------
Finishing: -------------------
Farrow to weanling: -------------------
Farrow to feeder: -------------------
Farrow to finish: -------------------
Boars: -------------------
Storage Period: -------------------
25 Yr. / 24 Hr Storm Event -------------------
"Heavy Rain" Factor Not Applicable
Rainfall in Excess of Evaporation -------------------
Additional Water Usage: -------------------
Additional Drainage Area: -------------------
LAGOON INFORMATION
0
24642 Hd.
0
0
0
0
0
180 Days
6.7 In.
7.0 In.
0
0
Is Lagoon Designed as an Irregular Shape?
(Y/N)------------
Y
Does Operator Want Emergency Spillway?
(Y/N)------------
N
Was This Design Built Prior to Sept. 1996?
(Y/N)------------
Y
Is Drain Tile Req'd to Lower SHWT?
(Y/N)------------
N
Seasonal High Water Table Elev:
-------------------
150.00
Ft.
Freeboard:
-------------------
1.0
Ft.
Emergency Spillway Flow Depth:
Not Applicable
Side Slopes:
-------------------
3
:1 (H:V)
From Lagoon
Volume Check Contours
0.0
contour areas see sheet 2 of 7,,
0.0
Top of Dike Elevation:
----------------
Depth
163.73
Ft.
Finished Bottom Elevation:
BOTTOM E
16.99 Ft.
146.74
Ft.
Start Pump Elevation:
----------------
19.08 In.
162.14
Ft.
Stop Pump Elevation:
----------------
140.76 In.
152.00
Ft.
LAGOON VOLUME REQUIRED VOL.
DESIGN VOLUMES
% REQ'D.
Storm Stor = 107253
(Cu.Ft.)
107,490 (Cu.Ft.)
100.22%
Temporary = 804096
(Cu.Ft.)
1,584,842 (Cu.Ft.)
197.10%
Permanent = 0
(Cu.Ft.)
498,577 (Cu.Ft.)
Total Volume = 911,349
(Cu.Ft.)
2,190,909 (Cu.Ft.)
240.40%
1/2 Treatment Volume = 0 (Cu.Ft.)
1/2 Treatment Volume Elevation = 152.00 Ft.
90 Temporary Storage Volume Elevation = 159.51 Ft.
Min. Required Liner Thickness
Lagoon Surface Area: (Inside TOD)
140.76 In.
50.61 In.
2.5 Ft.
192,095 S.F.
Murphy -Brown, LLC Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

Grower: Gaston Farm WP'rimary
Address: PO Box 1240
Waverly, VA 23890
Countv: Northampton
designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 2 of 7
ACTUAL DESIGN
VOLUME CALCULATIONS
BASE VOLUME:
®Cu. Ft.
LAGOON STAGE -AREA VOLUMES
Contour
Elevation tFT .)
Area (SF)
Incr. Vol. (Cu. FT)
Cumul. Vol. iCu. FT_+
149.74
101,700
246,267
150.00
103,988
26,739
273,006
151.00
112,777
108,382
381,389
152.00
121,599
117,188
498,577
153.00
130,659
126,129
624,706
154.00
139,833
135,246
759,953
155.00
148,366
144,100
904,052
156.00
154,912
151,639
1,055,691
157.00
159,350
157,131
1,212,822
158.00
163,132
161,241
1,374,063
159.00
166,937
165,034
1,539,097
160.00
170,823
168,880
1,707,977
161.00
174,891
172,857
1,880,834
162.00
179,267
177,079
2,057,913
163.00
185,107
182,187
2,240,100
163.73
192,095
137,679
2,377,778
These volumes were calculated using the vertical average end area method.
TOTAL REQD VOL
911,349
CF
CUMULATIVE
VOL.
ZONE VOL.
240.40%
END PUMP = = = =
152.00
FT
498,577 CF
TR'MT
498,577
START PUMP = =:
162.14
FT
2,083,419 CF
TEMP
1,584,842
197.10%
MAX STORAGE =
162.73
FT
2,190,909 CF
STORM
107,490
100.22%
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

Grower: Gaston Farm 30 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
Countv: Northampton Sheet 3 of 7
MINIMUM REQUIRED VOLUME CALCULATIONS
Permanent Storage:
Required Treatment Volume:
Animal Type Capacity ALW (cu.ft./lb) = Total
Nursery
0
30
1.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
1.00
0
Farrow to feeder
0
522
1.00
0
Farrow to finish
0
1,417
1.00
0
Boars
0
400
1.00
0
Total Required Treatment Volume (cu. ft.)=
Sludge Storage Volume:
0
Animal Type Capacity ALW (cu.ft./lb) = Total
Nursery
0
30
0.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
0.00
0
Farrow to feeder
0
522
0.00
0
Farrow to finish
0
1,417
0.00
0
Boars
01
400
1 0.000
0
Total Required Sludge Storage Volume (cu. ft.)=
Temporary Storage Volume:
Manure Production:
0
Animal Type CapacitySto. Period d./day) = Total
Nursery
0
180
0.30
0
Wean to Finish
24,642
180
1.17
5,176,463
Finishing
0
180
1.37
0
Farrow to weanling
0
180
4.39
0
Farrow to feeder
0
180
5.30
0
Farrow to finish
0
180
14.38
0
Boars
1 01
180
1 4.06
0
Total Manure Production (gals.)=
Total Manure Production (cu.ft.)=
Excess Fresh Water:
5,176,463
692,040
Animal Type Capacity' Sto. Period d./day) = Total
Nursery
0
180
0.00
0
Wean to Finish
24,642
180
0.00
0
Finishing
0
180
0.00
0
Farrow to weanling
0
180
0.00
0
Farrow to feeder
0
180
0.00
0
Farrow to finish
0
180
0.00
0
Boars
0
180
0.00
0
Total Fresh Water Excess (gals.)=
Total Fresh Water Excess (cu.ft.)=
0
0
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NG 28398 [phone]

Grower: Gaston Farm 30 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
Countv: Northampton Sheet 4 of 7
Temporary Storage Volume: [Cow
Rainfall in Excess of Evaporation:
Vol.=(Lagoon Surface Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (192095 sq.ft. + 0 sq.ft.) *. 7 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 112,055
Storm Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in./ft.
Vol.= (192095 sq.ft + 0 sq.ft.) * 6.7 in. /12 in./ft.
Total Required Volume for 25Yr.124Hr. Storm Event (cu.ft)= 107,253
"Heavy Rain" Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (192095 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Additional Water Storage:
No Additional Water Storage is Required
0 0
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')=
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage) _
Total Required Permanent Storage
(Treatment + Sludge) _
Murphy -Brown, LLC
TOTAL REQUIRED VOLUME = 911349 (CU.FT.)
P.O. Box 856, Warsaw
107,253 (CU.FT)
804,096 (CU.FT)
10
0 (CU.FT)

Grower: Gaston Farm 30 Primary
Address: PO Box 1240
Waverly, VA 23890
Countv: Northampton
LAGOON DESIGN SUMMARY
Designed By: JEO
Checked By: DSE
Date: 03/ 10/22
Sheet 5 of 7
Top of Dike Elevation -------------------
163.73
FT.
Emergency Spillway Crest Elevation -------------------
Not AF
Applicable
Top of 25Yr. / 24Hr. Storm Storage -------------------
162.73
FT.
Top of "Heavy Rain" Storage -------------------
Not
Applicable
Start Pump Elevation -------------------
162.14
FT.
End Pump Elevation -------------------
152.00
FT.
Top of Sludge Storage -------------------
Not
Applicable
Seasonal High Watertable Elev-------------------
150.00
FT.
Finished Bottom Elevation -------------------
146.74
FT.
Inside Top Length -------------------
Not
Applicable
Inside Top Width -------------------
Not
Applicable
Side Slopes -------------------
3:1
H:V
Lagoon Surface Area -------------------
192,095
SF
Min. Liner Thickness (if required) -------------------
2.5
FT.
Freeboard Depth -------------------
1.00
FT.
Temporary Storage Period -------------------
180
Days
Zone Depths:
TOTAL DESIGN VOLUME = 2190909 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- 5.3 FT.
Temporary Storage Zone Depth ----------- 10.1 FT.
Freeboard / Storm Storage Zone Depth ----------- 1.6 FT.
Total Lagoon Depth ----------- 17.0 FT.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398

Grower: Gaston Farm 30 Primary Designe JEO
Address: PO Box 1240 Checker DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 6 of 7
ZONE ELEVATIONS
TOP OF DIKE ELEV = 163.73
/ 1 TOP OF STORM ELEV = 162.73 / 1
1 /
1 /
STRT PMP EL.= 162.14 1 TOP OF TEMP STORAGE ELEV = 162.14 /
1 /
END PMP EL. = 152.00 1 TOP OF TREAT ELEV = 152.00 SHWT = 150.00
1 �
1 �
1 i
1 I
FINISHED BOTTOM ELEV = 146.74
Murphy -Brown, LLC Engineering P.O. Box 656, Warsaw NC 28398 (91 U) 29J-J434

Grower: Gaston Farm 30 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 7 of 7
This livestock waste treatment lagoon is designed in accordance with the United States
Natural Resources Conservation Service PRACTICE STANDARD 359- WASTE TREATMENT
LAGOON, revised prior to June, 1996.
Emergency Spillway:
An Emergency Spillway is not required
°`°
`

NOTE: See attached Waste Utilization Plan
l
DESIGNED: r
DATE: 7-
COMMENTS: The lagoon has been designed as an irregular shape.
This design is update of start and stop pump elevations and to show the 1/2
treatment volume level for sludge storage. This design does not supercede the
inal certification of the farm.
Elevations are based on an assumed benchmark and do not represent mean sea level datum.
1 certify, to the best of my professional knowledge, judgement, and belief, this design calculation
is in accordance with the applicable NRCS standards.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]

Grower: Gaston Farm 30 Secondary Designed By: JEO
Address: PO Box 1240 Checked By: ---
Waverly, VA 23890 Date: 03/10/22
County: Nothampton Sheet 1 of 7
WASTE STORAGE POND DESIGN
FARM INFORMATION
Nursery:
Wean to Finish:
Finishing:
Farrow to weanling:
Farrow to feeder:
Farrow to finish:
Boars:
Storage Period:
25 Yr. / 24 Hr Storm Event
"Heavy Rain" Factor
Rainfall in Excess of Evaporation
Additional Water Usage:
Additional Drainage Area:
LAGOON INFORMATION
Farm Po �ulation:
-------------------
------------------- Hd.
Days
In.
In.
u
0
Is Lagoon Designed as an Irregular Shape? (Y/N)------------
Y
Does Operator Want Emergency Spillway? (Y/N)------------
N
Was This Design Built Prior to Sept. 1996? (Y/N)------------
Y
Is Drain Tile Req'd to Lower SHWT? (Y/N)------------
N
Seasonal High Water Table Elev:-------------------
141.00
Ft.
Freeboard: -------------------
1.0
Ft.
Emergency Spillway Flow Depth: Not Applicable
Side Slopes: -------------------
3
:1 (H:V)
From Lagoon Volume Check Contours
0.0
contour areas see sheet 2 of 7
0.0
Top of Dike Elevation: ---------------- Depth
163.73
Ft.
Finished Bottom Elevation: ---------------- 15.99 Ft.
147.74
Ft.
Start Pump Elevation: ---------------- 19.08 In.
162.14
Ft.
Stop Pump Elevation: ---------------- 168 In.
149.73
Ft.
LAGOON VOLUME REQUIRED VOL. DESIGN VOLUMES
% REQ'D.
Storm Stor =
Temporary =
Permanent =
Total Volume =
49407 (Cu.Ft.)
864015 (Cu.Ft.)
0 (Cu.Ft.)
913,421 (Cu.Ft.)
1/2 Treatment Volume =
1/2 Treatment Volume Elevation =
90 Temporary Storage Volume Elevation =
Min. Required Liner Thickness
Lagoon Surface Area: (Inside TOD)
50,040 (Cu.Ft.) 101.28%
862,815 (Cu.Ft.) 99.86%
77,824 (Cu.Ft.)
990,679 (Cu.Ft.) 108.46%
0 (Cu.Ft.)
149.73 Ft. 168.00 In.
156.23 Ft. 89.95 In.
2.3 Ft.
88,490 S.F.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

Grower:
Gaston Farm 30 Secondary
Designea by: jC�-)
Checked By: DSE
Address:
PO Box 1240
Waverly, VA 23890
Date: 03/10/22
County:
Nothampton
Sheet 2 of 7
ACTUAL DESIGN
VOLUME CALCULATIONS
BASE VOLUME: ®Cu. Ft.
LAGOON STAGE -AREA VOLUMES
Contour
Elevations Area cSFi
Incr. Vol. [Cu. FT
Cumul. Vol. (Cu. FT)
147.74
148.00
15,756
21,899
4,895
6,220
11,115
149.00
42,358
32,129
43,244
150.00
52,382
47,370
90,614
151.00
57,678
55,030
145,644
152.00
60,745
59,211
204,856
153.00
63,103
61,924
266,780
154.00
65,468
64,285
331,065
155.00
67,842
66,655
397,720
156.00
70,227
69,035
466,755
157.00
72,618
71,422
538,177
158.00
74,933
73,775
611,952
159.00
77,045
75,989
687,941
160.00
79,180
78,112
766,054
161.00
81,346
80,263
846,317
162.00
83,552
82,449
928,765
163.00
86,076
84,814
1,013,579
163.73
88,490
63,717
1,077,296
These volumes were calculated using the
vertical average end area
method.
TOTAL READ VOL
913,421
CF
CUMULATIVE
VOL.
ZONE VOL. 108.46%
END PUMP = = = =
149.73
FT
FT
77,824 CF
940,639 CF
TR'MT
TEMP
77,824
862,815 99.86%
START PUMP = =:
MAX STORAGE =
162.14
162.73
FT
990,679 CF
STORM
50,040 101.28%
Murphy -Brown, LLC Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

Grower: Gaston Farm 30 Secondary
Address: PO Box 1240
Waverly, VA 23890
County: Nothampton
MINIMUM REQUIRED VOLUME CALCULATIONS
Permanent Stora e:
Required Treatment Volume:
Animal Type Capacity A
Nursery
0
30
Wean to Finish
0
115
Finishing
24,642
135
Farrow to weanling
0
433
Farrow to feeder
0
522
Farrow to finish
0
1,417
Boars
0
400
Total Required Treatment Volume
(cu. ft.)=
Sludge Storage Volume:
Nursery
0
31J
Wean to Finish
0
115
Finishing
24,642
135
Farrow to weanling
0
433
Farrow to feeder
0
522
Farrow to finish
0
1,417
Boars
0
400
Total Required Sludge Storage Volume (cu.
Temporary Stora a Volume:
Manure Production:
Animal Type
Capacity
Sto. Perioc
Nursery
0
180
Wean to Finish
0
180
Finishing
24,642
180
Farrow to weanling
0
180
FarrowEtofeeder
0
180
Farrowsh
0
180
Boars
0
180
Total Manure Production
(gals.)=
Total Manure Production (cu.ft.)=
Excess FrE-" `"'�`��
Designed By:
Checked By:
Date:
Sheet 3 of 7
CU MA D
1.00
0.00
0.00
1.00
1.00
1.00
1.00
= i ota
0.30
1.17
1.37
4.39
5.30
14.38
4.06
0
0
6,076,717
0
0
0
0
6,076,717
812,395
JEO
DSE
03/ 10/22
Total Fresh Water Excess (gais.)=
Total Fresh Water Excess (cu.ft.)= 0
I ! C Fnaineerina P.O. Box 856, Warsaw NC 28398 (910) 29,

Grower: Gaston Farm 30 Secondary
Address: PO Box 1240
Waverly, VA 23890
County: Nothampton
Temporary Storage Volume: (Cont.j
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 4 of 7
Rainfall in Excess of Evaporation:
Vol.=(Lagoon Surface Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (88490 sq.ft. + 0 sq.ft.) * 7 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 51,619
Storm Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in./ft.
Vol.= (88490 sq.ft + 0 sq.ft.) * 6.7 in. /12 in./ft.
Total Required Volume for 25Yr./24Hr. Storm Event (cu.ft)= 49,407
"Heavy Rain" Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (88490 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Additional Water Storage:
No Additional Water Storage is Required
0 0
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')= 49,407 (CU.FT)
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage) = 864,015 (CU.FT)
Total Required Permanent Storage
(Treatment + Sludge) = 0 (CU.FT)
TOTAL REQUIRED VOLUME = 913421 (CU.FT.)
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC

Grower: Gaston Farm 30 Secondary
Address: PO Box 1240
Waverly, VA 23890
Countv: Nothampton
LAGOON DESIGN SUMMARY
Top of Dike Elevation
Emergency Spillway Crest Elevation
Top of 25Yr. / 24Hr. Storm Storage
Top of "Heavy Rain" Storage
Start Pump Elevation
End Pump Elevation
Top of Sludge Storage
Seasonal High Watertable Elev.
Finished Bottom Elevation
Inside Top Length
Inside Top Width
Side Slopes
Lagoon Surface Area
Min. Liner Thickness (if required)
Freeboard Depth
Temporary Storage Period
Zone Depths:
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 5 of 7
TOTAL DESIGN VOLUME = 990679 (CU.FT.)
Treatment / Sludge Storage Zone Depth -----------
Temporary Storage Zone Depth -----------
Freeboard / Storm Storage Zone Depth -----------
Total Lagoon Depth -----------
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398
163.73
FT.
Not AF Applicable
162.73
FT.
Not
Applicable
162.14
FT.
149.73
FT.
Not
Applicable
141.00
FT.
147.74
FT.
Not
Applicable
Not
Applicable
3:1
H:V
88,490
SF
2.3
FT.
1.00
FT.
180
Days
2.0
12.4
1.6
16.0
FT.
FT.
FT.
FT.

Murphy -Brown, LLc: tngineermg I . • - _

Grower: Gaston Farm 30 Secondary
Address: PO Box 1240
Waverly, VA 23890
rntinty Nothampton
Designed By: JEO
Checked By: DSE
Date:
Sheet 7 of 7
This livestock waste treatment lagoon is designed in accordance with the United States
Natural Resources Conservation Service PRACTICE STANDARD 359- WASTE TREATMENT
LAGOON, revised prior to June, 1996.
Emergency Spillway:
An Emergency Spillway is not required.
NOTE: See attached Waste Utilization Plan
DESIGNED:
DATE:

COMMENTS: The lagoon has been designed as an irregular shape.
This design is update of start and stop pump elevations and to show the 1/2
03/10/22
treatment volume level for sludge storage. This design does not supercede the
original certification of the farm.
Elevations are based on an assumed benchmark and do not represent mean sea level datum.
/ certify, to the best of my professional knowledge, judgement, and belief, this design calculation
is in accordance with the
NRCS standards.
910 293-3434
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 )

Facility Number: 66-0030
Grower- Gaston Farm 8027 Primai, Designed By: JEO
Address: PO Box 1240 Checked By- DSE
Waverly, VA 23890 Date: 03/11 /22
County- Northampon, NC Sheet 1 of 12
ANAEROBIC DIGESTER DESIGN
FARM INFORMATION
Wean to Finish:
Finishing. -
Recycle Flush Water Volume:
DIGESTER INFORMATION
Is Digester Designed as an Irregular Shape?
Was This Facility Built Prior to 9/96?
Is Drain Tile Req'd to Lower SHWT?
Seasonal High Water Table Elev:--------
Freeboard:--------
Farm Population:
(Y/N)
(Y/N)
(Y/N)
in
Y
N
unk
24642 Hd.
0
n
1.0 Ft.
Side Slopes:
-------------------
3
:1 (H:V)
From Lagoon Volume Check Contours
495.0
Ft.
ontour areas see sheet 2 of 7
377.0
Ft.
Top of Dike Elevation:
---------------- Depth
136.30
Ft.
Finished Bottom Elevation:
BOTTOM E 14.76 Ft.
121.54
Ft.
Start Pump Elevation:
----- ---------- 21 In.
134.55
Ft.
Stop Pump Elevation:
---------------- 27 In.
134.05
Ft.
DIGESTER VOLUMES REQUIRED VOL.
DESIGN VOLUMES
% REQ'D.
Freeboard =
0 (Cu.Ft.)
134,687
(Cu.Ft.)
Temporary =
0 (Cu.Ft.)
88,734
(Cu.Ft.)
Treatment =
1355310 (Cu.Ft.)
1,819,906
(Cu.Ft.) 134.28%
Total Volume =
1,355,310 (Cu.Ft.)
2,043,327
(Cu.Ft.) 150.76%
Lagoon Surface Area: (Inside TOD)
188,372 S.F.
Smithfield Hog Production Engineering P. O. Box 856, Warsaw, NC 28398 [phone]

racnity Number: 66-oum
Grower: Gaston Farm 8027 Primary
Address: PO Box 1240
Waverly, VA 23890
County: Northampon, NC
Designed By: JEO
Checked By: DSE
Date: 03/11 /22
Sheet 2 of 12
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: ®Cu. Ft.
DIGESTER STAGE -AREA VOLUMES
Contour
Elevation C FT.? Area (SF) Incr Vol. � Cu. FT)
123.54
128,451
124.00
1310,937
125.00
135,900
126.00
140,368
127.00
144,850
128.00
149,437
129.00
154,114
130.00
158,548
131.00
162,667
132.00
166,821
133.00
171,033
134.00
175,304
135.00
179,634
136.00
185,875
136.30
188,372
59,659
133,419
138,134
142,609
147,143
151,775
156,331
160,607
164,744
168,927
173,169
177,469
182,754
56,137
Cumul. Vol. f Cu. FT)
214,515
274,174
407,593
545,727
688,336
835,479
987,255
1,143, 585
1,304,193
1,468,936
1,637,863
1,811,032
1,988,501
2,171,255
2,227,392
These volumes were calculated using the vertical average end area method.
TOTAL REQD VOL 1,355,310
CF
CUMULATIVE
VOL.
ZONE VOL. 150.76%
END PUMP = = = = 134.05
FT
1,819,905 CF
TR'MT
1,819,905 134.28%
START PUMP = = : 134.55
FT
1,908,640 CF
TEMP
88,734
MAX STORAGE = 135.30
FT
2,043,327 CF
STORM
134,687
Smithfield Hog Production Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

grower: Gaston Farm 8027 Secondary Designed By: JEO
Address: PO Box 1240 Checked By: ---
Waverly, VA 23890 Date: 03/11 /22
County: Northampon. Nr Sheet 3 of 12
WASTE STORAGE POND DESIGN 2nd STAGE
FARM INFORMATION
Farm Population:
Wean to Finish: ------------------- 24642 Hd.
Finishing: ------------------- 0
Storage Period: ------------------- Days
25 Yr. / 24 Hr Storm Event ------------------- 6.7 In.
"Heavy Rain" Factor Not Applicable Even if Value Shown
Rainfall in Excess of Evaporation ------------------- 7 In.
Additional Water Usage: — ----------------- 0
Additional Drainage Area: ----- ------------- 0
STORAGE INFORMATION
Is Storage Pond Designed as an Irregular Shape? (Y/N)------------
Y
Does Operator Want Emergency Spillway? (Y/N)-----------
N
Was This Design Built Prior to 9/96? (Y/N)------------
Y
Is Drain Tile Req'd to Lower SHWT? (Y/N)------------
N
Seasonal High Water Table Elev:-------------------
126.00
Ft.
Freeboard: -------------------
1.0
Ft.
Emergency Spillway Flow Depth: Not Applicable Even if Value Shown
Side Slopes: -------------------
:1 (H:V)
From Lagoon Volume Check Contours
0.0
contour areas see sheet 4 of 12...
0.0
Top of Dike Elevation: --------------- Depth
136.30
Ft.
Finished Bottom Elevation: BOTTOM E 13.76 Ft.
122.54
Ft.
Start Pump Elevation: ---------------- 19.08 In.
134.7
Ft.
Stop Pump Elevation: ----- ---------- 99.6 In.
128.00
Ft.
CHECK PUMPING ELEVATIONS!!!
STORAGE VOLUME REQUIRED VOL. DESIGN VOLUMES
% REQ'D.
Storm Stor =
50487 (Cu.Ft.)
50,486
(Cu.Ft.) 100.00%
Temporary =
744788 (Cu.Ft.)
507,711
(Cu.Ft.) 68.17%
Permanent =
0 (Cu.Ft.)
374,446
(Cu.Ft.)
Total Volume =
795,275 (Cu.Ft.)
932,642
(Cu.Ft.) 117.27%
90 Temporary Storage Volume Elevation =
130.31
Ft. 71.90 In.
Lagoon Surface Area: (Inside TOD)— ----------------- 90,424 S.F.
Smithfield Hog Production Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

(jrower: (3aston Farm 8027 Secondary Designed y:
Address: PO Box 1240 Checked By. DSE
Waverly, VA 23890 Date: 03/11/22
County. Northampon, NC Sheet 4 of 12
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: ®Cu. Ft.
STORAGE POND STAGE -AREA VOLUMES
Contour
Elevation { FT j
Area _LSF)
Incr. Vol. (Cu. FT)
124.54
54,226
125.00
56,421
25,449
126.00
60,919
58,670
127.00
64,448
62,683
128.00
67,055
65,751
129.00
69,537
68,296
130.00
72,056
70,796
131.00
74,618
73,337
132.00
77,224
75,921
133.00
79,873
78,549
134.00
82,565
81,219
135.00
85,301
83,933
136.00
89,002
87,152
136.30
90,424
26,914
Cumu_I. Vol. -(Cu. FT)
161,892
187,341
246,011
308,695
374,446
442,741
513,538
586,875
662,796
741,344
822,563
906,497
993,649
1,020,563
These volumes were calculated using the vertical average end area method.
TOTAL REQD VOL 1,355,310
CF
CUMULATIVE
VOL.
ZONE VOL.
117.27%
END PUMP = = = = 128.00
FT
374,446 CF
TR'MT
374,446
START PUMP = =: 134.71
FT
882,156 CF
TEMP
507,711
68.17%
MAX STORAGE = 135.30
FT
932,642 CF
STORM
50,486
100.00%
Smithfield Hog Production Engineering
P.O. Box
856, Warsaw, NC 28398
[phone]

Grower: Gaston Farm 8027 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date.- 03/11/22
County: Northampon, NC Sheet 5 of 12
MINIMUM REQUIRED VOLUME CALCULATIONS DIGESTER
Permanent Storage:
Required Treatment Volume:
nimal Type Capacity (cu.ft./hd) = Total
Wean to Finish
24,642
55.00
1,355,310
Finishing
0
32.00
0
=arrow to
'J
Total Required Treatment Volume (cu. ft.)= 1,355,310
Sludge Storage Volume:
nimal Type Capacity ALW (cu.ft./lb) = Total
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
- to feeder
Farrow to finish
-
Boars
0
0.00
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.= (188372 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for 25Yr.124Hr. 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.= (188372 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)
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')=
Total Required Permanent Storage
(Treatment + Sludge) _
0
0 (CU.FT)
1,355,310 (CU.FT)
TOTAL REQUIRED DIGESTER VOLUME = 1355310 (CU.FT.)
O. Box 856, Warsaw NC 28398
0
0
[phone]

Grower: Gaston Farm 8027 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/11/22
County: Northampon, NC Sheet 8 of 12
Top of Dike Elevation
Start Pump Elevation
End Pump Elevation
Top of Sludge Storage
Seasonal High Watertable Elev
Finished Bottom Elevation
Inside Top Length
Inside Top Width
Side Slopes
Lagoon Surface Area
Freeboard Depth
Zone Depths:
DIGESTER DESIGN SUMMARY
TOTAL DESIGN VOLUME = 2043327 (CU.FT.)
Treatment / Sludge Storage Zone Depth
Temporary Storage Zone Depth
Freeboard Depth
Total Digester Depth
Smithfield Hog Production Engineering P.O.
unk
136.30 FT
134.55 FT.
134.05 FT.
Not Applicable
121.54 FT.
Not Applicable
Not Applicable
3.0:1 H:V
188,372 SF
1.00 FT.
12.5 FT.
0.5 FT.
1.8 FT.
14.8 FT
[phone]

Grower: Gaston Farm 8027 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/11/22
County: Northampon, NC Sheet 12 of 12
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.
�;•
�`
DESIGNED:
DATE: 4t2 7r
COMMENTS: The lagoon has been designed as an irregular shape. Actual contour areas
taken from the lagoon design are used to calculate the surface area and storage volume
characteristics of the lagoon. This approach ensures that rainfall capture on the lagoon is
fully accounted for and that storage volumes calculated represent actual conditions.
Elevations are based on an assumed benchmark and do not represent mean sea level datum.
I 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]

Grower: Gaston Farm 8027 Secondary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/11/22
County: Northampon, NC Sheet 6 of 12
Temporary Stora a Volume:
Manure Production:
Animal Type Capacity Sto. Period = ota
Wean to Finish
24,642
180
1.17
5,176,463
Finishing
0
180
1.37
0
0
4.39
1
1
1
0�
Total Manure Production (gals.)= 5,176,463
Total Manure Production (cu.ft.)= 692,040
Excess Fresh Water:
Animal Type Capacity * Sto. Period I ota
0
Wean to Finish
24,642
180
0.00
0
Finishing
0
180
0.00
0
Farrow to
0
-arrow
0
0
0
Soars
Total Fresh Water Excess (gals.)=
Total Fresh Water Excess (cu.ft.)=
P.O. Box 856, Warsaw NC 28398
0
0

Grower:
Gaston Farm 8027 Secondary
Address:
PO Box 1240
Waverly, VA 23890
County:
Northampon, NC
Temporary_
Storage Volume: (Cont.)
Designed By: JEO
Checked By: DSE
Date. -
Sheet 7 of 12
03/11 /22
Rainfall in Excess of Evaporation: Only in Waste Storage Pond since digester is covered
Vol.=(Digester Surface Area + Waste Storage Pond Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (0.0 sq.ft. + 90424 sq.ft. + 0 sq.ft.) * 7.0 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 52,747
Storm Storage: Only in Waste Storage Pond since digester is covered
Vol.=(Waste Storage Pond Area + Additional Drainage Are * 25Yr./24Hr Storm(in.)/12in./ft.
Vol.= (0.0 sq.ft. + 90424 sq.ft. + 0 sq.ft.) * 6.7 in. /12
Total Required Volume for 25Yr./24Hr. Storm Event (cu.ft)= 50,487
"Heavy Rain" Storage: Only in Waste Storage Pond when required since digester is covered
Vol.=(Waste Storage Pond Area + Additional Drainage Area) * = Heavy Rain Factor(in) / 12in./ft.
Vol.= (0.0 sq.ft. + 90424 sq.ft. + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Additional Water Storage:
No Additional Water Storage is Required
0
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')=
0
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage)=
Total Required Permanent Storage
(Treatment + Sludge) _
50,487 (CU.FT)
744,788 (CU.FT)
0 (CU.FT)
TOTAL REQUIRED 2nd STAGE VOLUME = 795275 (CU.FT.)
28398 (910)

Grower: Gaston Farm 8027 Secondary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/11/22
County: Northampon, NC Sheet 9 of 12
STORAGE POND DESIGN SUMMARY 2nd STAGE
Top of Dike Elevation -------------------
136.30
FT.
Emergency Spillway Crest Elevation -------------------
Not
Applicable
Top of 25Yr. / 24Hr. Storm Storage -------------------
135.30
FT.
Top of "Heavy Rain" Storage -------------------
Not
Applicable
Start Pump Elevation -------------------
134.71
FT.
End Pump Elevation -------------------
128.00
FT.
Top of Sludge Storage -------------------
Not
Applicable
Seasonal High Watertable Elev-------------------
126.00
FT.
Finished Bottom Elevation — -----------------
122.54
FT.
Inside Top Length -------------------
Not
Applicable
Inside Top Width -------------------
Not
Applicable
Side Slopes — -----------------
3.0:1
H:V
Lagoon Surface Area -------------------
90,424
SF
Freeboard Depth
Temporary Storage Period
Zone Depths:
1.00 FT.
180 Days
TOTAL DESIGN VOLUME = 932642 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- 5.5 FT.
Temporary Storage Zone Depth ----------- 6.7 FT.
Freeboard / Storm Storage Zone Depth ----------- 1.6 FT.
Total Storage Pond Depth ----------- 13.8 FT
Smithfield Hog Production Engineering P O. Box 856, Warsaw NC 28398 [phone]

Grower: Gaston Farm 8027 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/11/22
County: Northampon, NC Sheet 10 of 12
/ 1
/ 1
/ 1
1
1
START PUMP EL.= 134.5: 1
1
END PUMP EL. = 134.05 1
1
1
1
1
ZONE ELEVATIONS DIGESTER
TOP OF DIKE ELEV = 136.30
TOP OF TEMP STORAGE ELEV = 134.55
FINISHED BOTTOM ELEV = 121.54
/ 1
/ 1
SHWT = 0.00
6mimuela Hog 1Jroaucrion tngineenng N.U. Box 856, Warsaw NG 28398 [phone]

Smithfield Hog Production Engineering r.U. box 000, vvarsaw rvu 40jV0 i,7 I V, L .,T..T

Grower: Gaston Farm 28 Primary Designed y:
Address: PO Box 1240 Checked By:
Waverly, VA 23890
County: Northampton
JEU
DSF
Date:
Sheet 1 of 7
03/10/22
WASTE
STORAGE POND DESIGN
FARM INFORMATION
Farm Population:
Nursery:
-------------------
0
Wean to Finish:
-------------------
24642
Hd.
Finishing:
-------------------
0
Farrow to weanling:
-------------------
0
Farrow to feeder:
-------------------
0
Farrow to finish:
-------------------
0
Boars:
-------------------
0
Storage Period:
-------------------
180
Days
25 Yr. / 24 Hr Storm Event
-------------------
6.7
In.
"Heavy Rain" Factor
Not r pplit.aulc
Rainfall in Excess of Evaporation
------- --------
7.0
In.
Additional Water Usage:
---- --------------
0
Additional Drainage Area:
-------------------
0
LAGOON INFORMATION
Is Lagoon Designed as an Irregular Shape? (Y/N)------------
Y
Does Operator Want Emergency Spillway?
(Y/N)------------
N
Was This Design Built Prior to Sept.
1996? (Y/N)------------
Y
Is Drain Tile Req'd to Lower SHWT?
(Y/N)------------
N
Seasonal High Water Table Elev:
-------------------
144.00
Ft.
Freeboard:
-------------------
1.0
Ft.
Emergency Spillway Flow Depth:
Not Applicable
Side Slopes:
---------------- --
3
:1 (H:V)
From Lagoon Volume Check Contours
0.0
contour areas see sheet 2 of 7...
0.0
Top of Dike Elevation:
---------------• Depth
161.81
Ft.
Finished Bottom Elevation:
BOTTOM E 11.93 Ft.
149.88
Ft.
Start Pump Elevation:
---------------- 19.08 In.
160.22
Ft.
Stop Pump Elevation:
---------------- 107.16 In.
152.88
Ft.
LAGOON VOLUME
REQUIRED VOL.
DESIGN VOLUMES
% REQ'D.
Storm Stor =
105961
(Cu.Ft.)
106,819
(Cu.Ft.)
100.81 %
Temporary =
802746
(Cu.Ft.)
1,213,369
(Cu.Ft.)
151.15%
Permanent =
0
(Cu.Ft.)
453,089
(Cu.Ft.)
Total Volume =
908,706
(Cu.Ft.)
1,773,277
(Cu.Ft.)
195.14%
112 Treatment Volume = 0 (Cu.Ft.)
1/2 Treatment Volume Elevation = 152.88 Ft.
90 Temporary Storage Volume Elevation = 157.61 Ft.
Min. Required Liner Thickness
Lagoon Surface Area: (Inside TOD)
107.16 In.
50.46 In.
1.7 Ft.
189,780 S.F.
Murphy -Brown, LLC Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

rower: (3aston Farm 28 Primary
Address: PO Box 1240
Waverly, VA 23890
Countv: Northampton
.)esigneri t5y: Jt[.a
Checked By: DSE
Date: 03/10/22
Sheet 2 of 7
ACTUAL
DESIGN VOLUME CALCULATIONS
BASE VOLUME:
®Cu. Ft.
LAGOON STAGE -AREA VOLUMES
Contour
Elevation (FT.]
Area SF
Incr. Vol. +Cu. FTi
Cumul. Vol. iCu. FT]
150.88
139,731
161,892
151.00
140,451
16,811
178,703
152.00
146,345
143,398
322,101
153.00
151,355
148,850
470,951
154.00
155,605
153,480
624,431
155.00
159,445
157,525
781,956
156.00
163,221
161,333
943,289
157.00
166,977
165,099
1,108, 388
158.00
170,768
168,873
1,277,261
159.00
174,625
172,697
1,449,958
160.00
178,714
176,670
1,626,628
161.00
183,384
181,049
1,807,677
161.81
189,780
151,131
1,958,808
These volumes were calculated using the vertical average end area method.
TOTAL READ VOL
908,706
CF
CUMULATIVE
VOL.
ZONE VOL.
195.14%
END PUMP = = = =
152.88
FT
453,089 CF
TR'MT
453,089
START PUMP = =:
160.22
FT
1,666,459 CF
TEMP
1,213,369
151.15%
MAX STORAGE =
160.81
FT
1,773,277 CF
STORM
106,819
100.81%
Murphy -Brown, LLC Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

Grower: Gaston Farm 28 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 3 of 7
MINIMUM REQUIRED VOLUME CALCULATIONS
Permanent Storage:
Required Treatment Volume:
Animal Type Capacity ALW (cuff/lb) = Total
Nursery
0
' 30
1.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
1.00
0
Farrow to feeder
0
522
1.00
0
Farrow to finish
_
0
1,417
1.00
0
Boars
0
400
1.00
t 0
Total Required Treatment Volume (cu. ft.)=
Sludge Storage Volume:
0
Animal Type Capacity ALW (cu.ft./lb) = Total
Nursery
0
30
0.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
0.00
0
Farrow to feeder
0
522
0.00
0
Farrow to finish
0]'
1,417
0.00
0
Boars
I 0
1 400
0.000
0
Total Required Sludge Storage Volume (cu. ft.)=
Temporary Storage Volume:
Manure Production:
Animal Type Capacity * Sto. Period d./day) = Total
Nursery
0
180
0.30
0
Wean to Finish
24,642
180
1.17
5,176,463
Finishing
0
180
1.37
0
Farrow to weanling
0
180
4.39
0
Farrow to feeder
0
180
5.30
0
Farrow to finish
0
180
14.38
0
Boars
0
180
4.06
0
Total Manure Production (gals.)=
Total Manure Production (cu.ft.)=
Excess Fresh Water:
5,176,463
692,040
Animal Type Capacity " Sto. Period d./day) = Total
Nursery
0
180
0.00
0
Wean to Finish
24,642
180
0.00
0
Finishing
0
180
0.00
0
Farrow to weanling
0
180
0.00
0
Farrow to feeder
0
180
0.00
0
Farrow to finish
0
180
0.00
0
Boars
0
180
0.00
0
Total Fresh Water Excess (gals.)=
Total Fresh Water Excess (cu.ft.)=
LWA
28398
0
0
0) 293-3434

Grower: Gaston Farm 28 Primary
Address: PO Box 1240
Waverly, VA 23890
County: Northampton
Temporary Storage Volume: (Cont.)
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 4 of 7
Rainfall in Excess of Evaporation:
Vol.=(Lagoon Surface Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (189780 sq.ft. + 0 sq.ft.) * 7 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 110,705
Storm Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in./ft.
Vol.= (189780 sq.ft + 0 sq.ft.) * 6.7 in. /12 in./ft.
Total Required Volume for 25Yr./24Hr. Storm Event (cu.ft)= 105,961
"Heavy Rain" Storage
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (189780 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Additional Water Storage:
No Additional Water Storage is Required
0 0
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')= 105,961 (CU.FT)
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage) = 802,746 (CU.FT)
Total Required Permanent Storage
(Treatment + Sludge) = 0 (CU.FT)
TOTAL REQUIRED VOLUME = 908706 (CU.FT.)

Grower: Gaston Farm 28 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 5 of 7
LAGOON DESIGN SUMMARY
Top of Dike Elevation -------------------
161.81
FT.
Emergency Spillway Crest Elevation -------------------
Not AI Applicable
Top of 25Yr. / 24Hr. Storm Storage -------------------
160.81
FT.
Top of "Heavy Rain" Storage -------------------
Not
Applicable
Start Pump Elevation -------------------
160.22
FT.
End Pump Elevation -------------------
152.88
FT.
Top of Sludge Storage -------------------
Not
Applicable
Seasonal High Watertable Elev.-------------------
144.00
FT.
Finished Bottom Elevation -------------------
149.88
FT.
Inside Top Length -------------------
Not
Applicable
Inside Top Width -------------------
Not
Applicable
Side Slopes -------------------
3:1
H:V
Lagoon Surface Area -------------------
189,780
SF
Min. Liner Thickness (if required) -------------------
1.7
FT.
Freeboard Depth -------------------
1.00
FT.
Temporary Storage Period -------------------
180
Days
Zone Depths:
TOTAL DESIGN VOLUME = 1773277 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- 3.0 FT.
Temporary Storage Zone Depth ----------- 7.3 FT.
Freeboard / Storm Storage Zone Depth ----------- 1.6 FT.
Total Lagoon Depth ----------- 11.9 FT
Murphy -Brown, LLC Engineering P.O. Box
10) 293-3434

Grower: Gaston Farm 28 Primary Designe JEO
Address: PO Box 1240 Checke(DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 6 of 7
/ 1
/ 1
/ 1
1
1
STRT PMP EL.= 160.22 1
1
END PMP EL. = 152.88
1
1
1
1
1
ZONE ELEVATIONS
TOP OF DIKE ELEV = 161.81
TOP OF STORM ELEV = 160.81
TOP OF TEMP STORAGE ELEV = 160.22
TOP OF TREAT ELEV = 152.88
FINISHED BOTTOM ELEV = 149.88
A
/ 1
/ 1
SHWT = 144.00
mui/iny-oruwn, LLt, enyrneunny t- u. box tsoo, Warsaw Iv(: zdjgu [phone]

Grower: Gaston Farm 28 Primary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
Countv: Northampton Sheet 7 of 7
This livestock waste treatment lagoon is designed in accordance with the United States
Natural Resources Conservation Service PRACTICE STANDARD 359- WASTE TREATMENT
LAGOON, revised prior to June, 1996.
Emergency Spillway:
An Emergency Spillway is not required
``

NOTE: See attached Waste Utilization Plan
1
DESIGNED: -
DATE: �^
COMMENTS: The lagoon has been designed as an irregular shape.
This design is update of start and stop pump elevations and to show the 1/2
treatment volume level for sludge storage. This design does not supercede the
original certification of the farm.
Elevations are based on an assumed benchmark and do not represent mean sea level datum.
l certify, to the best of my professional knowledge, judgement, and belief, this design calculation
is in accordance with the a olicable NRCS standards.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]

Grower: Gaston Farm 28 Secondary eslgne y: EO
Address: PO Box 1240 Checked By- DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 1 of 7
WASTE STORAGE POND DESIGN
FARM INFORMATION
Farm Population:
Nursery: -------------------
0
Wean to Finish: -------------------
24642 Hd.
Finishing: -------------------
Farrow to weanling: -------------------
Farrow to feeder: -------------------
0
Farrow to finish: -------------------
0
Boars: -------------------
0
Storage Period: -------------------
18t. Days
25 Yr. / 24 Hr Storm Event -------------------
6.7 In.
"Heavy Rain" Factor
Rainfall in Excess of Evaporation -------------------
i.0 In.
Additional Water Usage: -------------------
0
Additional Drainage Area: -------------------
0
LAGOON INFORMATION
Is Lagoon Designed as an Irregular Shape? (Y/N)------------ Y
Does Operator Want Emergency Spillway?
(Y/N)------------ N
Was This Design Built Prior to Sept.
1996? (Y/N)------------ Y
Is Drain Tile Req'd to Lower SHWT?
(Y/N)------------ N
Seasonal High Water Table Elev:
-------------------
144.00
Ft.
Freeboard:
-------------------
1.0
Ft.
Emergency Spillway Flow Depth:
Not Applicable
Side Slopes:
-------------------
3
:1 (H:V)
From Lagoon Volume Check Contours
0.0
contour areas see sheet 2 of 7 ..
0.0
Top of Dike Elevation:
---------------- Depth
161.81
Ft.
Finished Bottom Elevation:
---------------- 11.58 Ft.
150.23
Ft.
Start Pump Elevation:
---------------- 19.08 In.
160.22
Ft.
Stop Pump Elevation:
---------------- 140.4 In.
150.11
Ft.
LAGOON VOLUME REQUIRED VOL.
Storm Stor =
Temporary =
Permanent =
Total Volume =
52824 (Cu.Ft.)
747230 (Cu.Ft.)
0 (Cu.Ft.)
800,054 (Cu.Ft.)
DESIGN VOLUMES
% REQ'D.
53,146 (Cu.Ft.) 100.61 %
763,794 (Cu.Ft.) 102.22%
29,724 (Cu.Ft.)
846,664 (Cu.Ft.) 105.83%
1/2 Treatment Volume = 0 (Cu.Ft.)
1/2 Treatment Volume Elevation = 150.11 Ft.
90 Temporary Storage Volume Elevation = 155.40 Ft.
Min. Required Liner Thickness
Lagoon Surface Area: (Inside TOD)
140.40 In.
76.91 In.
1.7 Ft.
94,610 S.F.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

Grower: Gaston Farm 28 Secondary Designed y: -Ed
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
County: Northampton Sheet 2 of 7
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: ®Cu. Ft.
LAGOON STAGE -AREA VOLUMES
Contour
Elevation (FT.
Area c SF;
Incr. Vol. i Cu. FT,
Cumul. Vol. (Cu. FT s
149.88
55,867
16,486
150.00
56,478
6,741
23,227
151.00
61,649
59,064
82,290
152.00
67,132
64,391
146,681
153.00
70,418
68,775
215,455
154.00
73,087
71,752
287,208
155.00
75,858
74,473
361,681
156.00
78,565
77,212
438,892
157.00
81,185
79,875
518,767
158.00
83,739
82,462
601,229
159.00
86,234
84,987
686,216
160.00
88,736
87,485
773,701
161.00
91,419
90,078
863,779
161.81
94,610
75,342
939,120
These volumes were calculated using the vertical average end area method.
TOTAL READ VOL
800,054
CF
CUMULATIVE
VOL.
ZONE VOL.
105.83%
END PUMP = _ _ =
150.11
FT
29,724 CF
TR'MT
29,724
START PUMP = _ =
160.22
FT
793,518 CF
TEMP
763,794
102.22%
MAX STORAGE =
160.81
FT
846,664 CF
STORM
53,146
100.61%
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

Grower: Gaston Farm 28 Secondary Designed By: JEO
Address: PO Box 1240 Checked By: DSE
Waverly, VA 23890 Date: 03/10/22
Countv: Northampton Sheet 3 of 7
MINIMUM REQUIRED VOLUME CALCULATIONS
Permanent Storage:
Required Treatment Volume:
Animal Type Capacity ALW (cu.ft./lb) = Total
Nursery
0
30
1.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
1.00
0
Farrow to feeder
0
522
1.00
0
Farrow to finish
0
1,417
1.00
0
Boars
0
400
1.00
0
Total Required Treatment Volume (cu. ft.)=
Sludge Storage Volume:
[I]
Animal Type Capacity ALW (cu.ft./lb) = Total
Nursery
0
30
0.00
0
Wean to Finish
24,642
115
0.00
0
Finishing
0
135
0.00
0
Farrow to weanling
0
433
0.00
0
Farrow to feeder
0
522
0.00
0
Farrow to finish
0
1,417
0.00
0
Boars
0
400
0.000
0
Total Required Sludge Storage Volume (cu. ft.)=
Temporary Storage Volume:
Manure Production:
0
Animal Type Capacity Sto. Period d./day) = Total
Nursery
0
180
0.30
0
Wean to Finish
24,642
180
1.17
5,176,463
Finishing
0
180
1.37
0
Farrow to weanling
0
180
4.39
0
Farrow to feeder
0
180
5.30
0
Farrow to finish
0
180
14.38
0
Boars
0
180
4.06
0
Total Manure Production (gals.)=
Total Manure Production (cu.ft.)=
Excess Fresh Water:
5,176,463
692,040
Animal Type Capacity * Sto. Period d./day) = Total j
Nursery
0
180
0.00
0
Wean to Finish
24,642
180
0.00
0
Finishing
0
180
0.00
0
Farrow to weanling
0
180
0.00
0
Farrow to feeder
0
180
0.00
0
Farrow to finish
0
180
0.00
0
Boars
0
180
0.00
0
Murohv-Brown, LL
Total Fresh Water Excess (gals.)=
Total Fresh Water Excess (cu.ft.)=
Warsaw NC 28398
0
0
10) 293-3434

Grower: Gaston Farm 28 Secondary
Address: PO Box 1240
Waverly, VA 23890
County: Northampton
Temporary Storage Volume:_ Cont.
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 4 of 7
Rainfall in Excess of Evaporation:
Vol.=(Lagoon Surface Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (94610 sq.ft. + 0 sq.ft.) * 7 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 55,189
Storm Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in./ft.
Vol.= (94610 sq.ft + 0 sq.ft.) * 6.7 in. /12 in./ft.
Total Required Volume for 25Yr./24Hr. Storm Event (cu.ft)= 52,824
"Heavy Rain" Storage
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (94610 sq.ft + 0 sq.ft.) * 0.0 in. /12 in./ft.
Total Required Volume for "Heavy Rain" (cu.ft.) = 0
(for Extended Periods of Chronic Rainfall)
Additional Water Storage:
No Additional Water Storage is Required
0 0
Total Required Storm Storage
(25Yr. / 24Hr. Storm +'Heavy Rain')=
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage) _
Total Required Permanent Storage
(Treatment + Sludge) _
LLC
TOTAL REQUIRED VOLUME = 800054 (CU.FT.)
P.O. Box 856, Warsaw NC 28398
52,824 (CU.FT)
747,230 (CU.FT)
(910)
0 (CU.FT)

Grower: Gaston Farm 28 Secondary
Address: PO Box 1240
Waverly, VA 23890
County: Northampton
LAGOON DESIGN SUMMARY
Designed By: JEO
Checked By: DSE
Date: 03/10/22
Sheet 5 of 7
Top of Dike Elevation -------------------
161.81
FT.
Emergency Spillway Crest Elevation -------------------
Not AF Applicable
Top of 25Yr. / 24Hr. Storm Storage -------------------
160.81
FT.
Top of "Heavy Rain" Storage -------------------
Not
Applicable
Start Pump Elevation -------------------
160.22
FT.
End Pump Elevation -------------------
150.11
FT.
Top of Sludge Storage -------------------
Not
Applicable
Seasonal High Watertable Elev.-------------------
144.00
FT.
Finished Bottom Elevation -------------------
150.23
FT.
Inside Top Length -------------------
Not
Applicable
Inside Top Width -------------------
Not
Applicable
Side Slopes -------------------
3:1
H:V
Lagoon Surface Area -------------------
94,610
SF
Min. Liner Thickness (if required) -------------------
1.7
FT.
Freeboard Depth -------------------
1.00
FT.
Temporary Storage Period -------------------
180
Days
Zone Depths:
wn,
TOTAL DESIGN VOLUME = 846664 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- -0.1 FT.
Temporary Storage Zone Depth ----------- 10.1 FT.
Freeboard / Storm Storage Zone Depth ----------- 1.6 FT.
Total Lagoon Depth ----------- 11.6 FT
P O. Box 856,
[phone]

Grower: Gaston Farm 28 Secondary
Address: PO Box 1240
Waverly, VA 23890
Countv: Northampton
1
STRT PMP EL.= 160.22
ZONE ELEVATIONS
TOP OF DIKE ELEV = 161.81
TOP OF STORM ELEV = 160.81
TOP OF TEMP STORAGE ELEV = 160.22
END PMP EL. = 150.11 1 TOP OF TREAT ELEV = 150.11
1 �
FINISHED BOTTOM ELEV = 150.23
Murphy -Brown, LLG Lngrneenng
�.�--__---- fill' nonno
f .U. OV.4 VaI V, VVQIJQVV lvv cWv
Designe JEO
Checke(DSE
Date: 03/10/22
Sheet 6 of 7
r1
/ 1
/ 1
SHWT = 144.00
/04M 9Q1_3d-Rd

Grower: Gaston Farm 28 Secondary
Address: PO Box 1240
Waverly, VA 23890
County: Northampton
Designed By: JEO
Checked By: DSE
Date:
Sheet 7 of 7
This livestock waste treatment lagoon is designed in accordance with the United States
Natural Resources Conservation Service PRACTICE STANDARD 359- WASTE TREATMENT
LAGOON, revised prior to June, 1996.
Emergency Spillway:
An Emergency Spillway is not required.
NOTE: See attached Waste Utilization Plan
DESIGNED:
DATE:
`e�►errrrte`�

COMMENTS: The lagoon has been designed as an irregular shape.
This design is update of start and stop pump elevations and to show the 112
treatment volume level for sludge storage. This design does not supercede the
inal certification of the farm.
03/10/22
Elevations are based on an assumed benchmark and do not represent mean sea level datum.
I certify, to the best of my professional knowledge, judgement, and belief, this design calculation
is in accordance with the
NRCS standards.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]

smit
hfield
WASTE -TO -ENERGY SYSTEM
OPERATION & MAINTENANCE MANUAL
November 1, 2021

Table of Contents
I. Definitions.......................................................................................................................................... 3
II. Introduction.......................................................................................................................................... 4
III. Operational Components of the Waste -to -Energy System............................................................. 4
1) Gravity Collection Pipe............................................................................................................. 4
2) Lift Station (where applicable)................................................................................................. 5
3) Anaerobic Digester................................................................................................................ 5
4) Mixing Pump Station................................................................................................................ 5
5) Level Control Station (where applicable)............................................................................... 5
6) Effluent Storage Pond................................................................................................................ 6
7) Biogas Conditioning System...................................................................................................... 6
8) Emergency Vent......................................................................................................................... 6
9) Transfer Pump........................................................................................................................... 6
10) Rainwater Removal Pump......................................................................................................... 7
IV. General Maintenance......................................................................................................................... 7
V. Safety..................................................................................................................................................... 7
VI. Spill Prevention and Control................................................................................................................ 7
Appendix A — Responsibilities
I. Farm Production Personnel............................................................................................................... 8
II. Land & Nutrient Management Personnel (LNM)........................................................................... 9
III. Regional Maintenance Department....................................................................... ........... 10
IV. Contractor........................................................................................................................................... 11
Waste -to -Energy System O&M Manual Original: 11/1/21
Page 2 of 11

I. Definitions
1) Anaerobic Di;estion -A method of wastewater treatment that utilizes the natural decomposition of
the waste by bacteria in the absence of oxygen to produce gases commonly referred to as biogas.
2) Anaerobic Digester (aka Digester)- A covered containment that holds the wastewater for anaerobic
digestion.
3) Biogas -Produced by anaerobic digestion and is typically comprised of approximately 55% methane
(the primary constituent of natural gas), with the remainder being mostly carbon dioxide (CO2).
4) Gas Upgrading System (GUS) —Final processing for commercial pipeline quality gas
5) Gas gathering equipment— Consists of the Biogas Conditioning System, biogas gathering pipelines,
and Upgrading System (GUS)
6) Immediately —Within 15 minutes of knowledge
7) Wet well —Concrete structure that holds water
8) Effluent Storage Pond (aka lagoon) — Used to store the treated effluent from the Digester
Waste -to -Energy System O&M Manual Original: 11/1/21
Page 3 of 11

II. Introduction
The Waste -to -Energy project uses anaerobic digestion of hog waste (aka waste) to produce biogas
(consisting of approximately 65% methane, which is the primary constituent of natural gas) which is
collected, conditioned, and ultimately injected into the utility's natural gas pipeline. The farm site includes
gravity collection piping from the barns, an Anaerobic Digester (Digester), a Mixing Pump Station, a Biogas
Conditioning System to remove moisture, an Emergency Vent, and a biogas transfer pipe leading to the
Gas Upgrading System (GUS).
The Digester at the farm site includes an HDPE membrane cover to capture the biogas generated by the
anaerobic digestion process. The Digester is partially mixed by pumping and provides sufficient detention
time to effectively reduce the volatile suspended solids in the waste by digestion. The reduction of
volatile solids through microbial processes produces an energy -rich biogas, which is a valuable commodity.
The Digester operates differently at certain temperature ranges. The Digester as installed is an ambient
temperature Digester. There are no heating devices to control the temperature in the Digester, the depth
of the Digester and the ground temperature will buffer the swing in temperature due to the outside
climate. The expected gas production from the Digester will fluctuate with the seasons, methane
production will almost stop when the temperature in the Digester drops below 50 degrees (F) and will
peak in the summer months.
There are two (2) types of solids found in hog waste: organic and inorganic.
1. The organic solids will break down and decompose by biochemical reduction. The bacteria that are
grown and maintained in the system is harmless anaerobic and aerobic bacteria. Bound oxygen can
be found in nitrates, a compound that results from the aeration process. These same bacteria are
provided by nature and are found in streams, lakes, and in the soil to destroy dead plants and animals.
The difference is that a Waste -to -Energy System treatment process has provided an ideal environment
for a concentration of these bacteria to feed and grow; thus, the biological action is greatly
accelerated. The hog waste is the food for the bacteria in the system. The Digester contains certain
populations of bacteria that do not require the presence of oxygen.
2. The inorganic solids are "non -treatable," but they are normally present in such small quantities that
they are considered insignificant in the treatment process.
The loading rate of the Digester will not be strictly controlled. There is no change in the flush routine of
the current farm operations; a continuous and consistent stream of hog waste is the best method
available of loading the Digester. Total solids account for approximately 1% of the influent content,
varying with the stocking density and the age of the animals. The Digester is constructed to be air -tight;
the lack of oxygen will facilitate the growth of methanogenic bacteria.
Ill. Operational Components of the Waste -to -Energy System
Below are listed the major component operations.
1) Gravity Collection Pipe
The gravity collection pipe receives the flushed waste from the hog barns and directs that waste to a
lift station or directly into the Digester via gravity. During normal operation, the pipe should be free
flowing, with no clogs, in order to transport the waste. The gravity collection pipe includes a series of
cleanouts that provide access to the gravity collection pipe for removal of a clog or blockage.
Waste -to -Energy System O&M Manual Original: 11/1/21
Page 4 of 11

2) Lift Station, where applicable
The Lift Station receives waste from the gravity collection pipe and pumps that waste to the Digester
via buried forced main. The waste enters the Digester at the opposite end of the Digester from the
Level Control System (so "new' waste must flow through the curtain baffle system of the Digester,
resulting in effective treatment of the waste).
During normal operation, the Lift Station will run based on the liquid level in the pump tank, which is
triggered by floats. The Lift Station will be inspected per procedure by the farm manager, or their
designee, to ensure the pumps are operating to indicate proper flushing. The Lift Station is equipped
with alarms.
Reference the Smithfield Hog Production Lift Station Manual for proper operation and maintenance of
the lift station.
NOTE: Some farms do not have Lift Stations, rather than using a Lift Station, the waste flows from the
hog barns to the Mixing Pump Station or flows directly into the Digester via gravity.
3) Anaerobic Digester (aka Digester)
The Digester receives the wastes from the hog barns. The complex organic wastes are broken down
to simpler compounds by the anaerobic digestion process. As a part of the anaerobic process,
biogases (including methane, carbon dioxide, and hydrogen sulfide) are produced. These gases are
captured by an impermeable cover and then directed to the Biogas Conditioning System. The gases
are collected in perforated piping underneath the cover, which are connected to a main pipe that
connects to the conditioning system. The waste is held for approximately 45 days to allow the
biological process to complete. The sludge that settles at the bottom of the Digester will be
periodically removed, based on the annual sludge survey.
During normal operation, the Digester cover will likely be "inflated" like a balloon due to the biogas
that's trapped beneath. The cover should be free of excessive accumulation of rainwater (no more
than 10% of the top of the Digester should be covered by rainwater) and should not show signs of
any damage or leaks. The presence of an unusual odor (rotten eggs), or wastewater on the cover
may indicate that there is a leak. If such odors or wastewater are observed, the Environmental
Emergency Contact Plan should be activated immediately. Temporary repairs should be followed
with a permanent repair as soon as possible. Documented tracking of the repair process is required.
(i.e., a work order).
4) Mixing Pump Station
The Mixing Pump Station slowly mixes the waste that has been collected in the Digester, which
provides for more efficient methane production than would be achievable without any mixing. During
normal operation, the pumps will run at the same time for several hours per day to mix the waste in
the Digester. The Mixing Pump Station is equipped with an audible and visual alarm.
5) Level Control Station, where applicable
The Level Control Station receives treated waste from the Digester and conveys that waste to the
Effluent Storage Pond. The gravity outlet of the Digester leads to the inlet of the Level Control
Waste -to -Energy System O&M Manual Original: 11/1/21
Page 5 of 11

Station, and the invert is set at the freeboard of the Digester so that the Digester maintains a
constant level. The staff gauge for indicating the liquid level of Digester is located in the wet well of
the Level Control Station. The liquid level is visually inspected at least daily by farm personnel for
unexplained changes. Any unexplained changes in liquid level of two or more inches, should initiate
the Environmental Emergency Contact Plan. The Level Control Station is equipped with an audible
and visual alarm.
6) Effluent Storage Pond
The treated waste from the Digester flows from the Digester outlet pipe to the Effluent Storage Pond.
The Effluent Storage Pond is used to store the treated effluent after anaerobic digestion. However, as
this is a critical part of the integrated system, any abnormal operation of the Effluent Storage Pond
observed by farm or LNM personnel, such as seepage and/or unexplained liquid level changes of two
or more inches, should be documented and immediate corrective action taken.
7) Biogas Conditioning System
The Biogas Conditioning System receives biogas from the Digester and removes moisture from the
biogas by means of compression and heat exchangers.
This system will be managed by a contractor, but the information is included in this O&M manual for
reference.
The biogas from the Digester is commonly at 100% relative humidity; the biogas is purported to be
near 6% relative humidity after going through the Biogas Conditioning System. The biogas is moved
through the biogas transfer pipe.to the Gas Upgrading System (GUS)
During normal operation, the conditioning system should run without any need for input from the
contractor. The discharge pressure and flow rate can be manipulated by the contractor through
adjustment of the pressure regulator on the bypass line and through adjustment of the variable
frequency drive. As the conditioning system approaches this setpoint, it will automatically reduce
compressor speed to seek a flowrate that matches the biogas production. If the vacuum pressure
exceeds the setpoint, the conditioning system will shut down and trigger an alarm to the contractor
via telemetry system.
S) Emergency Vent
In times of need, such as failure of the biogas conveyance pipeline, the Emergency Vent is operated by
trained personnel to consume excess accumulated biogas from the Digester. The Emergency Vent is
not an automated system, and the trained operator must articulate the biogas piping control valving
to direct biogas from the Digester to the Emergency Vent for release.
9) Transfer Pump, if applicable
The Transfer Pump transfers accumulated effluent among available Effluent Storage Ponds to optimize
storage. The Transfer Pumps are operated through use of a local disconnect. Under normal
circumstances, the Transfer Pump will only be used as needed.
Waste -to -Energy System O&M Manual
Page 6 of 11
Original: 11/1/21

10) Rainwater Removal Pump
A designated pump is located at each Digester site to remove accumulated rainwater from the cover
of the Digester. In order for the Digester dike to not be jeopardized, the pump outlet should reach
beyond the toe of the Digester dike. Rainwater should be pumped on to a grassy area, if possible.
IV. General Maintenance
Maintenance should be performed to evaluate the performance of the Waste -to -Energy System.
A well -operated, properly adjusted, system will exhibit the following visible signs of proper maintenance:
• All pipes should be intact and watertight.
• The pumps appear to be operating properly (nearly silent with little to no vibrations)
• The Digester cover should be free of excessive accumulation of rainwater
• The Digester cover should be free of any tears, punctures, or failures
• There should be no unusual odors (rotten eggs) coming from the Digester or Emergency Vents.
• The Effluent Storage Pond should be structurally sound, free of floating debris, and within permitted
liquid level
For optimum system operation and maximum treatment efficiency, daily visual inspection of alarms, by
production personnel, is necessary. In addition to the daily visual inspection, all mechanical equipment
(Mixing Station pumps, Level Control. pumps, Lift Station pumps, and Transfer Pumps) should be cleaned
and lubricated as needed. At least quarterly mechanical equipment valves need to be performance
tested. The maintenance for the mechanical equipment will be managed by the Regional Maintenance
Department.
V. Safety
Reference Lagoon Safety Policy (SIPS 8.1)
VI. Spill Prevention and Control
Audible and visible alarms are present at the following controls stations: Mixing Pump Station, Lift
Station, and Level Control Station. The alarms are tested for proper operation per design periodically
by production personnel or the Land & Nutrient Management Department.
The Environmental Emergency Contact Plan provides spill control instructions and contact
information.
Waste -to -Energy System O&M Manual Original: 11/1/21
Page 7 of 11

Appendix A — Responsibilities
I. Farm Production Personnel
1. Organic Loading
The normal operations of the farm site for the Digester includes animal waste, feed spilled in pit by animals,
and water. The control of fresh water into the pit is important. Water leaks in the barn or malfunctioning
nipples need to be repaired in a timely manner. Ensure there are not blockages in the flush lines that impede
the flow of fresh waste to the Digester.
2. Hydraulic Loading
During times of cleaning and disinfecting a barn, solutions with chlorinated compounds (bleach) or quaternary
ammonium inhibit anaerobic digestion. Also, the common use of lime in the disinfecting process causes a
disruption in alkalinity in the Digester that harm methane forming bacteria.
3. Digester Level Control
A liquid level gauge will be located in the wet well at the Level Control Station. Daily the farm manager, or
their designee will need to record liquid level of the Digester. If there is an unexplained level in the Digester of
two or more inches, the Environmental Emergency Contact Plan will be activated.
4. Lift Station Maintenance, if applicable
Periodic cleaning of the Lift Station is necessary to remove debris and maintain the free flow of wastewater to
the Digester. The emergency alarm is tested per procedures. Refer to the Smithfield Hog Production Lift
Station Manual.
5. Daily Inspections
The farm manager or their designee will document daily the inspection of the following Waste -to -Energy
components:
• Gravity collection pipe cleanouts
• Mixing Pump Station alarm
• Digester liquid level
• Level Control Station alarm
• Lift Station
• Waste Storage Pond liquid level
6. Emergency Response
The farm manager, or their designee will immediately activate the Environmental Emergency Contact Plan
posted on site, in the event of emergency alarm activation, unexplained liquid level change in Digester and/or
Effluent Storage Pond or noticeable difference in normal operation of the Waste -to -Energy system
components located on the farm site.
Waste -to -Energy System O&M Manual Original: 11/1/21
Page 8 of 11

II. Land & Nutrient Management Personnel (LNM)
1. Digester Cover Waste Removal
Any liquid on the Digester cover should be inspected to make sure it is clean and clear. If wastewater is
detected on the cover, pump all water present on the cover back into the Level Control Station wet well or the
Lift Station, and activate the Environmental Emergency Contact Plan.
2. Digester Cover Rainwater Removal
Removal of rainwater from the Digester cover is necessary to help maintain cover integrity, and to help with
the digestion process. (Reference Smithfield Hog Production Policy/Procedure #MB 031). Rainwater will be
removed by a pump designated for the Digester. In order for the Digester dike to not be jeopardized, the
pump outlet should reach beyond the Digester dike. Rainwater should be pumped on to a grassy area, if
possible.
3. Weekly Inspections
Document on the Weekly LNM Inspection:
• Pumps/pipes into and out of Digester and waste storge pond
• Digester cover integrity
• Digester and waste storage pond dike integrity
• Digester cover inflation
• Rainwater accumulation on Digester cover
4. Effluent Storage Pond
• Record the liquid level weekly
5. Transfer Pump
• Operate the Transfer Pump as needed
6. General Maintenance
• Keep area around Digester mowed. Mowing activity must be regimented around the Digester cover to
guard against propelling debris towards the cover.
• Check the Digester cover after a rain event, and pump off excess rainwater, if necessary.
• Monitor liquid level in Digester, per design. Use the staff gauge located in Level Control Station wet well
to assess levels.
• Inspect Level Control Station for proper operation, visually check for blockages.
• Inspect waste outlet pipes from the Digester to the Effluent Storage Pond at least weekly for leaks.
• Check Mixing Pump Station and Level Control Station alarms at least weekly for properly operation as
designed.
7 Emergency Response
• Activate the Environmental Emergency Contact Plan if there is an unexplained change in cover inflation
level.
• Maintain emergency contacts for the Waste -to -Energy System components located on the farm site.
Waste -to -Energy System 0&M Manual
Page 9 of 11
Original: 11/1/21

III. Regional Maintenance Department
1. Mechanical Equipment Maintenance
Perform maintenance tasks for the mechanical equipment per the preventive maintenance schedule.
2. Emergency Response
Activate the Environmental Emergency Contact Plan in the event of abnormal operation of the Waste -to -
Energy System components located on the farm site. (i.e., suspect waste spills, digester liner tears, suspect
wastewater on digester liner, unusual odor, any activated alarms)
Waste -to -Energy System O&M Manual Original: 11/1/21
Page 10 of 11

IV. Contractor
1. Maintain gas gathering equipment
Maintain and operate Biogas Conditioning System equipment on the farm property, including gas
conditioning skid, biogas transfer pipelines, and blowers.
Maintain the Gas Upgrading System (GUS).
Ensure emergency alarms are working as designed
2. Emergency Response
Post the emergency contact information on the Biogas Conditioning System skid and GUS equipment.
Respond to emergencies in a timely manner.
Waste -to -Energy System O&M Manual
Page 11 of 11
Original: 11/1/21

Facility #_ Facility Namel#:
Smithfield,
WEEKLY LNM INSPECTION , .� {„4, �. Ke,(:„ksi,,,�j.;
The 01C or their designee will visually inspect each facility weekly. Form will be sent weekly to LNM office.
Revision: 5/21119
Retention Period: 3 Years
UK-tianstactory; R-Repaired or Repair Required; O-Work Order Issued; NIA -Not Applicable
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Irrigation System
endary Sco
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Murphy -Brown, LLC
Grower(s):
Farm Name:
3/10/2022 2822 Hwy 24 West
P O. Box 856
Warsavy, NC 28398
NUTRIENT UTILIZATION PLAN
Murphy -Brown, LLC dba Smithfield Hog Production
8527-8530; AWS660030
County: Northampton
Permit Capacity:
Farrow to Wean
Farrow to Feeder
Farrow to Finish
Wean to Feeder
Wean to Finish 49286
Feeder to Finish
Gilts
Boars
Storage Structure. -
Storage Period:
Application Method:
Anaerobic Lagoon
>180 days
Irrigation
The waste from your animal facility must be land applied at a specified rate to prevent pollution,
of surface water and/or groundwater. The plant nutrients in the animal waste should be used
to reduce the amount of commercial fertilizer required for the crops in the fields where the waste
is to be applied.
This waste utilization plan uses nitrogen as the limiting nutrient. Waste should be analyzed
before each application cycle. Annual soil tests are strongly encouraged so that all plant
nutrients can be balanced for realistic yields of the crop to be grown.
Several factors are important in implementing your waste utilization plan in order to maximize
the fertilizer value of the waste and to ensure that it is applied in an environmentally safe manner:
1. Always apply waste based on the needs of the crop to be grown and the nutrient
content of the waste. Do not apply more nitrogen than the crop can utilize.
2. Soil types are important as they have different infiltration rates, leaching potentials,
cation exchange capacities, and available water holding capacities.
3. Normally waste shall be applied to land eroding at less than 5 tons per acre per
year. Waste may be applied to land eroding at 5 or more tons per acre annually, but
less than 10 tons per acre per year providing that adequate filter strips are established.
4. Do not apply waste on saturated soils, when it is raining, or when the surface is frozen
Either of these conditions may result in runoff to surface waters which is not allowed
under DWR regulations.
5. Wind conditions should also be considered to avoid drift and downwind odor
problems.
6. To maximize the value of the nutrients for crop production and to reduce the potential
for pollution, the waste should be applied to a growing crop or applied not more than
30 days prior to planting a crop or forages breaking dormancy. Injecting the waste or
disking will conserve nutrients and reduce odor problems.
1 of 11

This plan is based on the waste application method shown above. If you choose to change
methods in the future, you need to revise this plan. Nutrient levels for different application
methods are not the same.
The estimated acres needed to apply the animal waste is based on typical nutrient content
for this type of facility. In some cases you may want to have plant analysis made, which could
allow additional waste to be applied. Provisions shall be made for the area receiving waste to
be flexible so as to accommodate changing waste analysis content and crop type. Lime must
be applied to maintain pH in the optimum range for specific crop production.
This waste utilization plan, if carried out, meets the requirements for compliance with 15A NCAC
2H .0217 adopted by the Environmental Management Commission.
AMOUNT OF WASTE PRODUCED PER YEAR ( gallons, ft3, tons, etc.):
Capacity Ty po
Waste Produced per Animal
Total
Farrow to Wean
3203 gal/yr
gal/yr
Farrow to Feeder
3861 gal/yr
gal/yr
Farrow to Finish
10478 gal/yr
gal/yr
Wean to Feeder
191 gal/yr
gal/yr
49286 Wean to Finish
776 gal/yr
38,245,936 gal/yr
Feeder to Finish
927 gal/yr
gal/yr
Gilts
1015 gal/yr
gal/yr
Boars
2959 gal/yr
gal/yr
Total
38.245,936 gailyr
AMOUNT OF PLANT AVAILABLE NITROGEN PRODUCED PER YEAR (Ibs):
Capacity Type Nitrogen Produced per Animal
Total
Ibslyr
Farrow to Wean 3.84 Ibs/yr
Farrow to Feeder
6.95 Ibslyr
Ibs/yr
Farrow to Finish
18.86 lbs/yr
Ibs/yr
Wean to Feeder
0.34 Ibslyr
Ibslyr
49286 Wean to Finish
1.4 Ibslyr
69,000 Ibslyr
Feeder to Finish
1.67 Ibs/yr
Ibslyr
Gilts
1.83 lbs/yr
Ibslyr
Boars
5.33 Ibs/yr
Ibslyr
Total
69,000 Ibs/yr
Applying the above amount of waste is a big job. You should plan time and have appropriate
equipment to apply the waste in a timely manner.
LAND UTILIZATION SUMMARY
The following table describes the nutrient balance and land utilization rate for this facility
Note that the Nitrogen Balance for Crops indicates the ratio of the amount of nitrogen produced
on this facility to the amount of nitrogen that the crops under irrigation may uptake and utilize
in the normal growing season.
Total Irrigated Acreage: 289.42
Total N Required 1st Year: 99817.04
Total N Required 2nd Year: 0.00
Average Annual Nitrogen Requirement of Crops: 99,817.04
Total Nitrogen Produced by Farm: 69,000.40
Nitrogen Balance for Crops: (30,816.64)
The following table describes the specifications of the hydrants and fields that contain the crops
designated for utilization of the nitrogen produced on this facility. This chart describes the size,
soil characteristics, and uptake rate for each crop in the specified crop rotation schedule for this
facility.
2of11

3(a) of 1'

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3(b) Of 11

This plan does not include commercial fertilizer. The farm should produce adequate plant
available nitrogen to satisfy the requirements of the crops listed above.
The applicator is cautioned that P and K may be over applied while meeting the N requirements.
In the future, regulations may require farmers in some parts of North Carolina to have a nutrient
management plan that addresses all nutrients. This plan only addresses nitrogen.
In interplanted fields ( i.e_ small grain, etc, interseeded in bermuda), forage must be removed
through grazing, hay, and/or silage. Where grazing, plants should be grazed when they
reach a height of six to nine inches. Cattle should be removed when plants are grazed to a
height of four inches. In fields where small grain, etc, is to be removed for hay or silage, care
should be exercised not to let small grain reach maturity, especially late in the season (i.e.
April or May). Shading may result if small grain gets too high and this will definitely interfere
with stand of bermudagrass. This loss of stand will result in reduced yields and less nitrogen
being utilized. Rather than cutting small grain for hay or silage just before heading as is
the normal situation, you are encouraged to cut the small grain earlier. You may want to
consider harvesting hay or silage two to three times during the season, depending on the
time small grain is planted in the fall.
The ideal time to interplant small grain, etc, is late September or early October. Drilling is
recommended over broadcasting. Bermudagrass should be grazed or cut to a height of
about two inches before drilling for best results.
CROP CODE LEGEND
Crop Code Crop
A
Barley
B
Grazed Hybrid Bermudagrass
C
Hybrid Bermudagrass Hay
B/C
Comb. Hybrid Bermudagrass
D
Corn - Grain
E
Corn - Silage
F
Cotton
G
Grazed Fescue
H
Fescue Hay
I
Oats
J
Rye
K
Grazed Overseed
L
Overseed Hay
M
Grain Sorghum
N
Wheat
O
Soybean
P
Pine Trees
S
Small Grain
CC
Cover Crop
Description -Harvested As
Grain Crop
Pasture/Grazed
Hay
Graze/Hay Combination
Grain Crop
Silage
Cotton Lint
Pasture/Grazed
Hay
Grain Crop
Grain Crop
Pasture/Grazed (Seeded in Bermudagrass)
Hay (Seeded in Bermudagrass)
Grain Crop
Grain Crop
Grain Crop
Pine Trees
Grain Crop/ Hay (After Grain Crop)
Not Harvested: Burned/Disked in
Acres shown in the preceding table are considered to be the usable acres excluding
required buffers, filter strips along ditches, odd areas unable to be irrigated, and perimeter areas
not receiving full application rates due to equipment limitations. Actual total acres in the fields
listed may, and most likely will be, more than the acres shown in the tables.
See attached map showing the fields to be used for the utilization of animal waste.
4 of 11

SLUDGE APPLICATION:
The following table describes the annual nitrogen accumulation rate per animal
in the lagoon sludge
Farm Specifications
PAN/ rlanimal Farm Totallyr
Farrow to Wean
0.8
Farrow to Feeder
0.96
Farrow to Finish
3.9
Wean to Feeder
007
49286 Wean to Finish
0.27 13307.22
Feeder to Finish
0.34
Gilts
0.39
Boars
0.55
The waste utilization plan must contain provisions for periodic land application of sludge at
agronomic rates. The sludge will be nutrient rich and will require precautionary measures to
prevent over application of nutrients or other elements. Your production facility will produce
approximately 13307.22 pounds of plant available nitrogen per year and will accumulate in the lagoon
sludge based on the rates of accumulation listed above.
If you remove the sludge every 5 years, you will have approximately 66536 1 pounds of plant
available nitrogen to utilize. Assuming you apply this PAN to hybrid Bermuda grass hayland at the
rate of 300 pounds of nitrogen per acre, you will need 221 acreas of land. If you apply the sludge
to corn at a rate of 125 pounds per acre, you will need 532.2888 acres of land. Please note that these
are only estimates of the PAN produced and the land required to utilize that PAN. Actual values
may only be determined by sampling the sludge for plant available nitrogen content prior to application
Actual utilization rates will vary with soil type, crop, and realistic yield expectations for the specific
application fields designated for sludge application at time of removal.
APPLICATION OF WASTE BY IRRIGATION:
The irrigation application rate should not exceed the intake rate of the soil at the time of irrigation
such that runoff or ponding occurs. This rate is limited by initial soil moisture content, soil
structure, soil texture, water droplet size, and organic solids. The application amount should not
exceed the available water holding capacity of the soil at the time of irrigation nor should the
plant available nitrogen applied exceed the nitrogen needs of the crop.
If surface irrigation is the method of land application for this plan, it is the responsibility of the
producer and irrigation designer to ensure that an irrigation system is installed to properly
irrigate the acres shown in the preceding table. Failure to apply the recommended rates and
amounts of nitrogen shown in the tables may make this plan invalid.
*This is the maximum application amount allowed for the soil assuming the amount
of nitrogen allowed for the crop is not over applied. In many situations, the application
amount shown cannot be applied because of the nitrogen limitation. The maximum
application amount shown can be applied under optimum soil conditions.
Your facility is designed for >180 days of temporary storage and the temporary storage must
be removed on the average of once every 6 months. In no instance should the volume of the
waste stored in your structure be within the 25 year 24 hour storm storage or one foot of
freeboard except in the event of the 25 year 24 hour storm.
It is the responsibility of the producer and waste applicator to ensure that the spreader equipment
is operated properly to apply the correct rates to the acres shown in the tables. Failure to apply
the recommended rates and amounts of nitrogen shown in the tables may make this plan invalid.
Call your technical specialist after you receive the waste analysis report for assistance in
determining the amount of waste per acre and the proper application prior to applying the waste.
5of11

Application Rate Guide
The following is provided as a guide for establishing application rates and amounts.
Tract Hydrant
Soil
Type
Crop
Application Rate
inlhr
Application Amount
* inches
1023
E
Goldsboro
C
0.4
1
1023
F
Goldsboro
C
0.4
1
1023
G
Goldsboro
C
0.4
1
1023
1
Goldsboro
C
0.4
1
1023
J
Norfolk
C
0.5
1
1023
K-L
Norfolk
C
0.5
1
1023
M
Norfolk
C
0.5
1
1023
O
Norfolk
C
0.5
1
1023
P
Norfolk
C
0.5
1
1023
Q
Norfolk
C
0.5
1
1023
T-U
Norfolk
C
0.5
1
1023
V-W
Norfolk
C
0.5
1023
X
Norfolk
C
0.5
1
1023
Y
Norfolk
C
0.5
1
1023
Z
Norfolk
C
0.5
1
1023
BB
Goldsboro
C
0.4
1
1023
CC
Goldsboro
C
0.4
1
1023
DID
Goldsboro
C
0.4
1
1023
EE
Goldsboro
C
0.4
1
1023
FF
Goldsboro
C
0.4
1
1023
GG
Goldsboro
C
0.4
1
1023
Fld A&B
Norfolk
C
0.5
1
1023
Fld C&D
Caroline
C
0.4
1
1023
Sub E
Goldsboro
C
0.4
1
1023
Sub F&G
Goldsboro
C
0.4
1
1023
Rd H
Caroline
C
0.4
1
1023
Sub W
Norfolk
C
0.5
1
1023
Sub K&L
Norfolk
C
0.5
1
1023
Sub M-Q
Norfolk
C
0.5
1
1023
Sub 1
Norfolk
C
0.5
1
1023
Sub 2
Goldsboro
C
0.4
1
1023
Sub 3
Bonneau
C
0.75
1
1023
Sub 4
Norfolk
C
0.5
1
1023
Sub 5
Norfolk
C
0.5
1
6of11

Additional Comments:
This plan revised to change all row crops fields to bermuda hay and overseed.
All other parameters remained the same.
This plan revised 1/19/2021 to reflect the replacement pivots for I & J and the
acreage recalculation of the subfields I & J and 5. All other parameters
remained the same.
This plan revised 3/10/2022 to reflect a wetted acreage recalculation due to
the addition of the proposed digester and gas upgrading system, the removal
of several pivots to reflect current application bF aerway, and the combination
of field R&S with field 5, since pivots R&S are no lon;jer used. All other
Parameters remained the same.
7of11

NUTRIENT UTILIZATION PLAN CERTIFICATION
Name of Farm: 8527-8530; AWS660030
Owner: Murphy -Brown, LLC dba Smithfield Hog Production
Manager:
Owner/Manager Agreement:
/we understand and will follow and implement the specifications and the operation and
maintenance procedures established in the approved animal waste nutrient management
plan for the farm named above. I/we know that any expansion to the existing design capacity
of the waste treatment and/or storage system, or construction of new facilities, will require a
new nutrient management plan and a new certification to be submitted to DWR before the new
animals are stocked.
I/we understand that I must own or have access to equipment, primarily irrigation equipment,
to land apply the animal waste described in this nutrient management plan. This equipment
must be available at the appropriate pumping time such that no discharge occurs from the lagoon
in the event of a 25 year 24 hour storm. I also certify that the waste will be applied on the land
according to this plan at the appropriate times and at rates which produce no runoff.
This plan will be filed on site at the farm office and at the office of the local Soil and Water
Conservation District and will be available for review by NCDWR upon request.
Name of Facility Owner: Aprphy -Brown, LLC dba Smithfield Hog Production
Signature:
Date
Name of Manager (if different from owner):
Signature:
Date
Name of Technical Specialist:
M. Kevin Weston
Affiliation:
_
Murphy -Brown, LLC. i
Address:
2822 Hwy 24 West, PO Drawer 866
Warsaw, NC 28398
Telephone:
[phone]
Signature: /1% G✓,�t� 3�jv �z�z Z
Date
8 of 11

NUTRIENT UTILIZATION PLAN
REQUIRED SPECIFICATIONS
Animal waste shall not reach surface waters of the state by runoff, drift, manmade
conveyances, direct application, or direct discharge during operation or land application.
Any discharge of waste which reaches surface water is prohibited-
2 There must be documentation in the design folder that the producer either owns or has an
agreement for use of adequate land on which to properly apply the waste_ If the producer
does not own adequate land to properly dispose of the waste, he/she shall provide
evidence of an agreement with a landowner, who is within a reasonable proximity,
allowing him/her the use of the land for waste application. It is the responsibility of the
owner of the waste production facility to secure an update of the Nutrient Utilization Plan
when there is a change in the operation, increase in the number of animals, method of
application, recieving crop type, or available land.
Animal waste shall be applied to meet, but not exceed, the nitrogen needs for realistic
crop yields based upon soil type, available moisture, historical data, climatic conditions,
and level of management, unless there are regulations that restrict the rate of applications
for other nutrients.
Animal waste shall be applied to land eroding less than 5 tons per acre per year. Waste
may be applied to land eroding at more than 5 tons per acre per year but less than 10 tons
per acre per year provided grass filter strips are installed where runoff leaves the field
(See USDA, NRCS Field Office Technical Guide Standard 393 - Filter Strips).
5 Odors can be reduced by injecting the waste or disking after waste application. Waste
should not be applied when there is danger of drift from the land application field-
6 When animal waste is to be applied on acres subject to flooding, waste will be soil
incorporated on conventionally tilled cropland. When waste is applied to conservation tilled
crops or grassland, the waste may be broadcast provided the application does not occur
during a season prone to flooding (See "Weather and Climate in North Carolina" for
guidance).
7 Liquid waste shall be applied at rates not to exceed the soil infiltration rate such that runoff
does not occur offsite or to surface waters and in a method which does not cause drift
from the site during application. No ponding should occur in order to control odor and
flies.
Animal waste shall not be applied to saturated soils, during rainfall events, or when the
surface is frozen.
9of11

NUTRIENT UTILIZATION PLAN
REQUIRED SPECIFICATIONS
9 Animal waste shall be applied on actively growing crops in such a manner that the crop is not
covered with waste to a depth that would inhibit growth. The potential for salt damage from
animal waste should also be considered.
10 Nutrients from waste shall not be applied in fall or winter for spring planted crops on soils with a
high potential for leaching. Waste/nutrient loading rates on these soils should be held to a
minimum and a suitable winter cover crop planted to take up released nutrients. Waste shall
not be applied more than 30 days prior to planting of the crop or forages breaking dormancy.
11 Any new swine facility sited on or after October 1, 1995 shall comply with the following: The
outer perimeter of the land area onto which waste is applied from a lagoon that is a component of
a swine farm shall be at least 50 feet from any residential property boundary and canal. Animal
waste, other than swine waste from facilities sited on or after October 1, 1995, shall not be
applied closer than 25 feet to perennial waters.
12 Animal waste shall not be applied closer than 100 feet to wells.
13 Animal waste shall not be applied closer than 200 feet of dwellings other than those owned by
the landowner
14 Waste shall be applied in a manner not to reach other property and public right-of-ways.
15 Animal waste shall not be discharged into surface waters, drainageways, or wetlands by discharge
or by over -spraying. Animal waste may be applied to prior converted cropland provided the fields
have been approved as a land application site by a "technical specialist". Animal waste shall not
be applied on grassed waterways that discharge directly into water courses, and on other grassed
waterways, waste shall be applied at agronomic rates in a manner that causes no runoff or drift
from the site.
16 Domestic and industrial waste from washdown facilities, showers, toilets, sinks, etc., shall not be
discharged into the animal waste management system.
10 of 11

NUTRIENT UTILIZATION PLAN
REQUIRED SPECIFICATIONS
17 A protective cover of appropriate vegetation will be established on all disturbed areas (lagoon
embankments, berms, pipe runs, etc.). Areas shall be fenced, as necessary, to protect the
vegetation. Vegetation such as trees, shrubs, and other woody species, etc., are limited to areas
where considered appropriate. Lagoon areas should be kept mowed and accessible. Berms and
structures should be inspected regularly for evidence of erosion, leakage, or discharge.
18 If animal production at the facility is to be suspended or terminated, the owner is responsible for
obtaining and implementing a "closure plan" which will eliminate the possibility of an illegal
discharge, pollution and erosion.
19 Waste handling structures, piping, pumps, reels, etc., should be inspected on a regular basis to
prevent breakdowns, leaks and spills. A regular maintenance checklist should be kept on site.
20 Animal waste can be used in a rotation that includes vegetables and other crops for direct human
consumption. However, if animal waste is used on crops for direct human consumption, it should
only be applied pre -plant with no further applications of animal waste during the crop season_
21 Highly visible markers shall be installed to mark the top and bottom elevations of the temporary
storage (pumping volume) of all waste treatment lagoons. Pumping shall be managed to
maintain the liquid level between the markers. A marker will be required to mark the maximum
storage volume for waste storage ponds.
22 Waste shall be tested within 60 days of utilization and soil shall be tested at least annually at crop
sites where waste products are applied. Nitrogen shall be the rate -determining nutrient, unless
other restrictions require waste to be applied based on other nutrients, resulting in a lower
application rate than a nitrogen based rate. Zinc and copper levels in the soil shall be monitored
and alternative crop sites shall be used when these metals approach excessive levels. pH shall be
adjusted and maintained for optimum crop production. Soil and waste analysis records shall be
kept for a minimum of five years. Poultry dry waste application records shall be maintained for a
minimum of three years. Waste application records for all other waste shall be maintained for a
minimum of five years.
23 Dead animals will be disposed of in a manner that meets North Carolina regulations.
11 of 11

Farms 8527--- 8530
AWS660030
Wetted Acreage
$peciliiabane:- Pulls
PVII
A-r
Use Traveler w/l3DD' li-
L
4.70
)1U Spn01., Welled Olameler
F
34-_
200' Lone SPo111.9s
G
5.00
K L
6.20
Specification P.vo1s II. K. 1. U-O
T-U
S44
Moch,ne length-237'
v-w
361
Lnd Gun Radius-ID2'
11
6.51
Y
493
Pivot i
C
Mechintl Lenylh-6o7'
A-hiL-9
BB
2.01
q.01
End Gun Radius-70'
CC
4.15
UU
2.68
Sdedhcalions Pi- J
LE
1 07
Machine Len91h 375
FF
2.66
End Gun Rodius-7p'
GG
2.98
Tutu.
57.89
sii dicalien s. Piwt M
Machine L•n91h-529
End Gun Rod%u Y-106
- - __ aDu 5elbopl.
From Residences
•
total frda C & D = IB.OD �AC
■ Tolol Field F & G - It 27 A[
Welted - 8.42 Au.
$u6F &C- 2.86 Au
well
w/100'
a.--
F
Total Field A & B 16.17 A,.
■ 1
/ 1
200' SclbocL
_ � From Residence _ ��
��� 1pIW Field ! = 6 7.4 AC
wetted - 47o Ac
Sub E ^i ].5a Ac
lotw Field A & L = 11 20 AC
Wellad - 6 20 Ace
Sub K&L = 5.00 A,.
Toot Field H 7.16 AC
Hob Huu sea �^ 1 1\
Loguvns
® wells w/IOU'
L ollsets
total Held I & J • 55.65 A,. �� ■
Wetted = 4511 54
Sub 1 & J - 10 54 Au. ` \ oa. ■
Plwl J
Piwt 1014 AC
(I.eid 2 Pulls Be-00) Prapoeed Gds 26.57 Ac 13.16 A. •/End ffu.
upyradiny Site 31.95 Ac w/Erid Gun �� /r
lot dl Flald 7 14.98 AC. \ �
welled = 8.B4 AC ■ -�)�
5u0 2 - 5.64 A.
nn • 1
U FF Cr ®" Well
ullsuls
'-
L Y k
Form 8530
Huy Huuaes `\
(Field I _ Pulls EE-CG) lutul Field 3 • 9.01 Ac
otes Field I - 20.I5 AC -�
Wetted = b 71 AC
Sub 1 13.44 AC.
(Field a Pulls K-Z)
blot Field 4 - 7614 Al:
wnllcd 1J d7 AC.
Sul. 4 = t 17 AL
GRAPHIC SCALE
a0d V 7aD Apo 1(pIl 2.0tl
_�.__...
( IN FEET )
1 inch = 600 ft.
V-W "�, I. U
-'x- wells •JI00
ollsets
Perm 8525
Hoy iHou so,
��tayour-
Tnlu1 held M--0 67 nR A.:
W,11.d = .0 tlO AL
.tub M .0 - J6 B2 Ae
Piro, M
701R At
Y5 15 Au w/I nd (:un
Lo9Cuns
F im 8527
P.vol M Hag Houses
/ - wells •J10D'
ollsets
■ f i P.
0
�rL1JAt a
Picot 0
r! Pivot P 596 A., ./O.d Gun
�( r
Pieul P
4.66 Ac
5.fie Ac ./End Gun
Pawl U
i
Pivot 0
3 57 Ac.
405 A, w/Ei.d Gun
(Freed 5 - R-w Lombined)l
101a1 Held 5 - 23.0 AC
wooed = 9 05 Ac
Sufi 5 • 14 62 Ac
Proposed Dlyusc nr
lOValiVri
/'ta7]-P.arlcWaiN ..11N wr.ue.. du 1. w-o YiY.a1w wi4 w
end fie r.e.ei rwrvW ur ion. wen. w�tl wiia llnrl a. no. Dona ww

Farms 8527-8534
Wetted AGr��gB Fta
�Alse TrdNINe w ' Etoee
'3E0'SpClnlpar ttetl.Dfdmdtpr•� J44
��2G0 t,mta. Spaohge ��,' 3 SgO• -
K-i:
7- M
End Clin Radlus-E42' , . 1 .K-
�..:Z Fv� ..
�EnahtlnLn ea�w�e-?o' • , eB �m '
A 413
Mochwie y1'h�i7y � 1,1995 .
Faid Qrn Radhle-70
iota,
slow
Mdehpe -..q 67A
sd,Gon ddlw 1p8'- ...
. 2g4 Sdtbdelt
%f91=7 (iMIdINON �fte�l �d .Yq�i
la
it Total FWd C dk D . 4&00 Am ''[[dam , f.:* q r Iliv
yle�kssi t-��a R!.4.
Stb � 9t'E � aLfl3 Aai cx aa�
. �rllotT
Total. Fleld A 4t @ 14,17 A..
i A
r � � � �h 4� ; k wt C '•
d
,tt�re� �
{JJ'Y k '
n :}'T F' Ha rt r 44ji 1 r %44 A0�
rlu r 4 . Wet 4..14 iW 4
,.r&`!"�,, t• *sat^ r ..'b" A fatb .F 3.540 �t
GRAPHIC wISICALE
E inoh �7�800;tft ,.
TWO FNta K at V. i i•:70 A,%
wetted . •4.20 Ae _
Sue r A •L
Y GfFB---
!Nog t ws".... .
-__� � boppone .
Telal ►Wd NJ - 738 Au.
told F7wd t k J l�-45 Ao.
Waked � +0.1t -
sao
i7ae
p'vJlnq 71in
41f}.5g'
Maueei
Ukdl Fwa p-o . 07.5E Ac
1PAtsrd - 4006 Ae.
SW GI-G - 24.42 Ar-
MM U
W Fe
W0 Fc -PArod CAm
PIWt D
v
�f—� C.agoo�i6 1
PlAal 0
Plrat P �,1 Au.
i S.fl..F :./Fsp Curl
eFvol P
+,os-nc
!mot o aa4 �. +r/tna t>w.
ghat 6
fFleld� R ll�o+rd+lnialj• •�
tintW - 963 Ai.
54h 5 +• t i 97 Fc.
PaupoeeJ Rt9a++a
4.