310005_Application_20231220

Smithfield.
60C)A food. IZesP0VL'S 8'
PO Box 856
Warsaw, NC 28398
December 20, 2023
Ms. Christine Lawson
Water Quality Permitting Section
Animal Feeding Operations Program
1636 Mail Service Center
Raleigh, NC 27699-1636
Re: Scott Farm (31-0005) Site Plan Review
Dear Ms. Lawson:
Smithfield Hog Production is seeking a permit modification of AWS310005 to construct one new
covered lagoon digester and biogas collection system on this site. The farm is on Elvin Carter Lane
approximately 4 miles north of Warsaw, North Carolina. This project will involve constructing one new
digester, existing lift station improvements, Level control (effluent) transfer station, farm transfer piping
and mixing system.
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 w/ checklists
• Location & Setback Map
• Site plans and Details
On the following page is responses to frequently asked questions.
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

• Page 2
December 20, 2023
1. Freeboard — NC NRCS Standard 366 —Anaerobic Digester requires a minimum of 2
feet of freeboard in the covered digester. Please provide clarification that both
digesters meet minimum freeboard requirements.
"Provide a minimum of 2 feet of freeboard above the digester design water surface; if
rainfall is included in determining the operating volume, only 1 foot of freeboard is
required. The digester storage volume does not need to account for rainfall for
completely covered digesters."
Per the NRCS 366 Anerobic Digester standard rainfall was included in determining
the operational volume of the digesters. The NOAA Atlas 14 30yr normal rainfall data
for the area was used to determine the 25-year, 24-hour rainfall on the digester. With
this data the operational volume for the digester designs at this site are based on 12-
inches of structural freeboard plus 7-inches for the 25-year, 24-hour rainfall event to
determine the 19-inches of freeboard for the digesters.
This allows the proposed digester at farm Scott Farm site 2 top of dike and freeboard
to be the same as the adjacent exiting lagoon. This allows equalization of the lagoons
if necessary, during large storm events, which mitigates risk.
2. Stormwater Outlet — Please provide a typical detail for outlet for stormwater removed
from digester covers. Please also indicate stormwater outlet location(s) for each
digester.
The stormwater removal outlet locations have been added to the site plan(s) and a
detail of the outlet added to construction plan set.
3. Biogas Use as a Renewable Energy Resource —Please provide information for the
intended onsite and/or offsite use of the biogas. Please include expected timeline
regarding completion of digester system and utilization of gas as a renewable energy
resource.
The biogas produced at the site will be cleaned on -site to pipeline quality and
transferred via pipeline to a natural gas pipeline insertion point off -site to be used as
renewable natural gas. The anticipated digester completion is Q2 2024 with utilization
of the gas in Q4 2024.
4. Gas Generation Estimate — Please submit an estimate for the daily volume of biogas
to be generated by the proposed Digester.
The estimated total annual RNG generated at this facility is 15,000 dekatherms. The
annual average daily RNG produced from the digester would be +/-40 dekatherms
(30 scfm)
5. Emergency Flare — Please provide location/identification for the emergency flare(s).
An emergency vent/flare connection location has been located to the site plans and
detail. The plan is to us a mobile/moveable "candle stick" flare that will be kept on -
site for use on an as needed basis for digesters.
6. Slam Gate/Secondary Containment — Please indicate location of new slam
gates/secondary containment associated with proposed digesters, if applicable.
Per the site visit discussion, a secondary containment with valve has been added at
the Farm 8529 digester adjacent to the level control station.

• Page 3
December 20, 2023
7. Influent/Effluent Sampling — Please indicate location for sampling of influent to and
effluent from each digester.
At Scott Farm Site 2 the influent sample(s) will be taken from the gravity pipeline
clean -out nearest the digester and the Effluent sample at the digester level control
station.
8. Odor Control Checklist — The Odor Control Checklist was not included in the
application. Please provide as a required component of the CAWMP. Please use
the updated form, attached.
See attached Swine Odor Control Checklist.
9. Insect Control Checklist —The Insect Control Checklist was not included in the
application. Please provide as a required component of the CAWMP.
See attached Swine Insect Control Checklist
10. Mortality Management Checklist — The Mortality Management Checklist was not
included in the application. Please provide as a required component of the CAWMP.
See attached Swine Mortality Management Checklist
11. Emergency Action Plan — The Emergency Action Plan was not included in the
application. Please provide as a required component of the CAWMP.
See attached Swine Emergency Action Plan
12. Sludge Survey — Please provide a copy of the most recent sludge survey for the
existing lagoon Digesters.
The proposed digester is a new digester that will have sludge transferred for seeding
from the on -site lagoons.
13. Land application — Fields meet land application setback requirements. Please
provide any information regarding additional BMPs (example hose -drag vs travelling
gun) in these areas used to improve protections and further reduce risk of off -site
impacts.
The NUP has been updated to reflect the spray field changes and BMP's.
14. Air Quality Permitting — Please provide general information regarding any Air Quality
permits, and/or applicability determinations regarding this project. Please provide
information about if applications have been filed, permits (if issued), and/or results of
an applicability determination.
A determination of non -applicability was issued by NCDAQ on October 28,2021.
Applicability Determination No. 3715.

I
State of North Carolina
Department of Environmental Quality
Division of Water Resources
Animal Feeding Operations Permit Application Form
(THIS FORM MAYBE PHOTOCOPIED FOR USE AS AN ORIGINAL)
State Digester General Permit — Farm Digester System
1. GENERAL INFORMATION:
1.1 Facility name: Scott Farm Site 1-4
1.2 Print Owner's name: Murphy -Brown LLC
1.3 Mailing address: PO Box 856
City, State: Warsaw, NC zip: 28398
Telephone (include area code): ( 910) 293 - 3434 Fax: 9( 10) 293 - 3138
Email: jolmstead(a),smithfield.co
1.4 Physical address: 313 Elvin Carter Lane
City, State: Warsaw, NC zip: 28398
Telephone number (include area code): ( ) -
Latitude 36-. 53905_0 Longitude -77 .617575_° (Decimal Degrees from Google Earth)
1.5 County where facility is located: Duplin
1.6 Facility location (directions from nearest major highway, using SR numbers for state roads): From Intersection of NC
HM 24 & NC Hwy 50 US 117 in Warsaw, take NC Hwy 117 N for 5 mi and turn right onto Elivn Carter Lane
and go approx 0.75 mi to farm entrance.
1.7 Farm Manager's name (if different from Landowner):
1.8 Lessee's / Integrator's name (if applicable; circle which type is listed): Smithfield Hog Production(company wned f�
1.9 Facility's original start-up date: 1983 Date(s) of facility expansion(s) (if applicable):
1.10 Design Contact name: Jason E. Omstead Phone (910) 293 - 3434 Email: [e-mail]
2. OPERATION INFORMATION:
2.1 Facility number: 31-0005
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.
Tune of Swine
❑ Wean to Feeder
❑ Feeder to Finish
❑ Farrow to Wean (# sow)
No. of Animals Twe of Poultry No. of Animals
❑ Layer
❑ Non -Layer
❑ Turkey
❑ Farrow to Feeder (# sow) ❑ Turkey Poults
❑ Farrow to Finish (# sow)
® Wean to Finish 14,375
❑ Gilts
❑ Boar/Stud
❑ Other Type of Livestock on the farm:
Type of Cattle No. of Animals
❑ Beef Brood Cow
❑ Beef Feeder
❑ Beef Stocker Calf
❑ Dairy Calf
❑ Dairy Heifer
❑ Dry Cow
❑ Milk Cow
No. of Animals:
FORM: AWO-STATE-G-DIGESTER-7/07/2022 Page I of 6

2.3 Acreage cleared and available for application (excluding all required buffers and areas not covered by the application
system): 163.03 Acres
Required Acreage (as listed in the CAWMP): 163.03 Acres
Existing Application Area (pre -construction): 163.03 Acres
Proposed Application Area (post -construction): 163.03 Acres
Is there a change to the existing WUP? (a or NO (circle one)
Is the Existing WUP attached? YES or(NO ircle one)
Is the New (if applicable) WUP attached? YES or NO (circle one)
2.4 List and Describe all Storage/Treatment Structures Below:
a. DIGESTER or other PRIMARY TREATMENT: (double click on "Select' for drop -down menu box)
Treatment
Name of
Type of
Surface
Type of Cover
Ttl
Req'd
Unit Type
Existing?
(I'/N)
Treatment
Liner
Area
Material
Capacity
Capacity
Unit
Material
(cu. Ft.)
(cu-ft.)
Digester
N
Site 2
Synthetic
101,250
Synthetic (80 mil)
844,965
690,000
Select
Select
Select
Select
Select
Select
a.1 Are engineering designs, drawings, specifications, and details attached? YE or NO (circle one)
b. SECONDARY TREATMENT/STORAGE: (double click on "Select" for drop -down menu box)
Name of Storage
Unit
Existing?
?
Type of Liner
Material
Surface Area
Ttl Capacity
(cu. Ft.)
Req'd Capacity
(cu.ft.)
Site 1 (B)
Y
Synthetic
77,842
618,256
418,342
Site 2 (A)
Y
Synthetic
140,531
1,210,602
838,719
Site 4 (C)
Y
Synthetic
134,896
1,044,492
985,302
Select
Select
2.5 Are KNOWN subsurface drains present within 100' of any application fields? YES o NO circle one)
2.6 Are KNOWN subsurface drains in the vicinity or under the waste management system? YES or(NO ircle one)
2.7 Does this facility meet all applicable siting requirements? YES or NO (circle one)
2.8 Describe Water Movement between Barns, Digesters, and Storage Ponds (double click on "Select" for drop -down menu
box)
Location
Pump Station or
Gravity
Pipe Size
Minimum Pump
Capacity
Plan Sheet
Reference
GPM
TDH
Barns to Digester
Gravity Site 2
12"
1500
2
C100/C101
Barns to Digester
Pump Station Site 4
8"
800
40
C100/C102
Digester to Secondary
Gravity Site 2
12"
1500
2
C100/C101
Secondary to Tertiary
Pump Station Site 2-1
8"
800
40
C100/C101
Secondary to Tertiary
Pump Station Site 2-4
8"
800
40
C100/002
Select
Select
FORM: AWO-STATE-G-DIGESTER-7/07/2022 Page 2 of 6

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.
Anolicant's Initials
3.1 One completed and signed original of the application for Digester Animal Waste Management
System Application Form. JO
3.2 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. JO
3.3 Documentation that new digester structure(s) meets the Swine Farm Siting Act, for swine
operations. JO
3.3.1 Site Map. The scale of this map shall not exceed 1 inch = 400 feet.
3.3.2 All proposed digesters to occupied residences >_ 1500 feet OR no closer than existing setback.
Existing setback = 1500 feet
3.3.3 All proposed digesters to schools, hospitals, churches, outdoor recreational facilities, national parks, state
parks, historic properties, or childcare centers >_ 2500 feet OR no closer than existing setback.
Existing setback = 2500 feet
3.3.4 All proposed digesters to property boundaries > 500 feet OR no closer than existing setback.
Existing setback = 500 feet
3.3.5 All proposed digesters to Public Water supply wells > 500 feet.
3.3.6 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, JO
equipment specifications, plan and profile drawings to scale, construction materials,
supporting equations or justifications.
3.5 A detailed narrative of the Farm Digester Animal Waste Management System. JO
3.6 A copy of the CAWMP which must include the following components. Some of these
components may not have been required at the time the facility was initially certified but must
be added to the CAWMP for permitting purposes: JO
3.6.1 The Waste Utilization Plan (WUP) must include the amount of Plant Available Nitrogen (PAN)
produced and utilized by the facility
3.6.2 The method by which waste is applied to the disposal fields (e.g., irrigation, injection, etc.)
3.6.3 A map of every field used for land application
3.6.4 The soil series present on every land application field
3.6.5 The crops grown on every land application field
3.6.6 The Realistic Yield Expectation (RYE) for every crop shown in the WUP
3.6.7 The PAN applied to every application field
3.6.8 The waste application windows for every crop utilized in the WUP
3.6.9 The required NRCS Standard Specifications
3.6.10 A site schematic
3.6.11 Emergency Action Plan
3.6.12 Insect Control Checklist with chosen best management practices noted
3.6.13 Odor Control Checklist with chosen best management practices noted
3.6.14 Mortality Control Checklist with the selected method noted
3.6.15 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
3.6.16 Site Specific Operation and Maintenance Plan
If your CAWMP includes any components not shown on this list, please include the additional components with your
submittal. (Composting, waste transfers, etc.)
FORM: AWO-STATE-G-DIGESTER-7/07/2022 Page 3 of 6

4. ENGINEER'S CERTIFICATION:
I, David S. Elkin (P.E. representing Owner's name listed in question 1.2), attest that this application for Scott Farm Sites 1-4
(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 n luded, is a e �l bgreturned to me as incomplete. 4
Signature / Date I Z- f
Engineer's Seal
5. FARM OWNER/PERMITTEE CERTIFICATION:
I, John Sargent (Owner/Permittee name listed in question 1.2), attest that this application for Scott Farm Sites 1-4
(Facility name d in question 1.1) has been reviewed by me and is accurate and complete to the best of my knowledge. I
understand tha if a q 'red parts of this application are not completed and that if all required supporting information and
attachments are of ' this application package will be returned as incomplete. /
Signature, Date
6. MANAGER'S CERTIFICATION: (complete only if different from the Farm Owner)
I, (Manager's name listed in question 1.7), attest that this application for (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 as incomplete.
Signature
Date
THE COMPLETED APPLICATION PACKAGE, INCLUDING ALL SUPPORTING INFORMATION AND MATERIALS,
SHOULD BE SENT 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]
ELECTRONIC SUBMISSION IS ENCOURAGED. EMAIL TO: RAMESH.RAVELLA@,NCDENR.GOV
FORM: AWO-STATE-G-DIGESTER-7/07/2022 Page 4 of 6

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 DWR 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 6 of 6). 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 Facility Name & Number: Scott Farm Site 1-4
7.2 Name & complete address of engineering firm: Smithfield Hog Production - Engineering
Telephone: 910 ) 293 - 3434 Fax: 9( 10) 293 - 3138
Email: iolmsteadrg7.smithfield.com
7.3 Name of closest downslope surface waters: North Side of Proper_iv - Big_Branch
7.4 County(ies) where the animal waste management system and surface waters are located Duplin
7.5 Map name and date: 2022 NC - Warsaw North Quadrangle
7.6 NC Professional's Seal (If appropriate), Signature, and Date:
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: Big Branch
Classification (as established by the Environmental Management Commission): C: SW
Proposed classification, if applicable:
Signature of regional office personnel:
(All attachments must be signed)
Date:
FORM: AWO-STATE-G-DIGESTER-7/07/2022 Page 5 of 6

DIVISION OF WATER RESOURCES REGIONAL OFFICES (4/2020)
Asheville Regional WQROS Supervisor Washington Regional WQROS Supervisor Raleigh Regional WQROS Supervisor
2090 U.S. Highway 70
943 Washington Square Mall
1628 Mail Service Center
Swannanoa, NC
28778
Washington, NC 27889
Raleigh, NC 27699-1628
[phone]
[phone]
[phone]
Fax [phone]
Fax [phone]
Fax [phone]
Avery
Macon
Beaufort Jones
Chatham Nash
Buncombe
Madison
Bertie Lenoir
Durham Northampton
Burke
McDowell
Camden Martin
Edgecombe Orange
Caldwell
Mitchell
Chowan Pamlico
Franklin Person
Cherokee
Polk
Craven Pasquotank
Granville Vance
Clay
Rutherford
Currituck Perquimans
Halifax Wake
Graham
Swain
Dare Pitt
Johnston Warren
Haywood
Transylvania
Gates Tyrell
Lee Wilson
Henderson
Yancey
Greene Washington
Jackson
Hertford Wayne
Hyde
Fayetteville Regional WQROS SupervisorMooresville Regional WQROS Supervisor Wilmington Region WQROS Supervisor
225 Green Street, Suite 714
610 East Center Avenue
127 Cardinal Drive Extension
Fayetteville, NC 28301-5094
Mooresville, NC 28115
Wilmington, NC 28405-3845
[phone]
[phone]
[phone]
Fax [phone]
Fax [phone]
Fax [phone]
Anson Moore
Alexander Lincoln
Brunswick New Hanover
Bladen Richmond
Cabarrus Mecklenburg
Carteret Onslow
Cumberland Robeson
Catawba Rowan
Columbus Pender
Harnett Sampson
Cleveland Stanly
Duplin
Hoke Scotland
Gaston Union
Montgomery
Iredell
Winston-Salem Regional WQROS Supervisor
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
Phone [phone]
Fax [phone]
Alamance
Rockingham
Alleghany
Randolph
Ashe
Stokes
Caswell
Surry
Davidson
Watauga
Davie
Wilkes
Forsyth
Yadkin
Guilford
FORM: AWO-STATE-G-DIGESTER-7/07/2022 Page 6 of 6

Grower: Scott Farm Site 3 Primary esigne y: JE
Address: PO Box 759 Checked By- - -
Rose Hill, NC 28458 Date: 12/19/23
County: Du lin, NC 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: --------- --------
WiTC16Z6] VI1► I*01 ai', IA i1*]►
0
14375 Hd.
0
0
0
0
0
180 Days
7.5 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:
------------- ---
0.00
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
144.10
Ft.
Finished Bottom Elevation:
BOTTOM E 12.30 Ft.
131.80
Ft.
Start Pump Elevation:
___________. 20.16 In.
142.42
Ft.
Stop Pump Elevation:
------------ 121.2 In.
134.00
Ft.
LAGOON VOLUME REQUIRED VOL. DESIGN VOLUMES
% REQ'D.
Storm Stor=
48651
(Cu.Ft.)
48,708
(Cu.Ft.) 100,12%
Temporary =
715472
(Cu.Ft.)
487,547
(Cu.Ft.) 68.14%
Permanent =
0
(Cu.Ft.)
82,000
(Cu.Ft.)
Total Volume =
764,124
(Cu.Ft.)
618,266
(Cu.Ft.) 80.91%
1/2 Treatment Volume = 0 (Cu.Ft.)
1/2 Treatment Volume Elevation = 134.00 Ft.
90 Temporary Storage Volume Elevation = 138.60 Ft.
Min. Required Liner Thickness
Lagoon Surface Area: (Inside TOD)
121.20 In.
65.95 In.
1.8 Ft.
77,842 S.F.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 [phone]

Grower: Scott Farm Site 3 Primary - Designed fy: -7EC
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: DuNin. NC Sheet 2 of 7
ACTUAL DESIGN
VOLUME CALCULATIONS
BASE VOLUME:
Cu. Ft.
LAGOON STAGE -AREA VOLUMES
Contour
Elevation FT.
Area SF
Incr. Vol. (Cu. FT) Cumul. Vol. (Cu. FT
132.10
40,854
0
133.00
42,949
37,711
37,711
134.00
45,629
44,289
82,000
135.00
48,376
47,003
129,003
136.00
51,191
49,784
178,786
137.00
54,073
52,632
231,418
138.00
57,023
55,548
286,966
139.00
60,040
58,532
345,498
140.00
63,125
61,583
407,080
141.00
66,277
64,701
471,781
142.00
69,497
67,887
539,668
143.00
72,785
71,141
610,809
144.00
76,140
74,463
685,272
144.10
77,842
7,699
692,971
These volumes were calculated using the vertical average end area method.
TOTAL READ VOL
764,124
CF
CUMULATIVE
VOL.
ZONE VOL. 80.91%
END PUMP = = _ =
134.00
FT
82,000 CF
TR'MT
82,000
START PUMP = =
142.42
FT
569,548 CF
TEMP
487,547 68.14%
MAX STORAGE =
143.10
FT
618,256 CF
STORM
48,708 100.12%
Murphy -Brown, LLC Engineering P.O. Box 856,Warsaw, NC 28398 [phone]

Grower: Scott Farm Site 3 Primary (A) Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: DUDlin. NC 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
14,375
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
1 0
400
1.00
0
Total Required Treatment Volume (cu. ft.)=
Sludge Storage Volume:
0
nimal ype Capacity ALW (cu.R.Ilb) = Total
Nursery
0
30
0.00
0
Wean to Finish
14,375
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
1 400
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
14,375
180
1.17
3,019,708
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
1 14.38
0
Boars
0
180
1 4.06
0
Total Manure Production (gals.)=
Total Manure Production (cu.ft.)=
Excess Fresh Water:
3,019,703
403,704
nimal Type Capacity Sto. Period d./day) = Total
Nursery
0
180
0.20
0
Wean to Finish
14,375
180
0.77
1,992,375
Finishing
0
180
0.90
0
Farrow to weanling
0
180
2.90
0
Farrow to feeder
0
180
3.50
0
Farrow to finish
0
180
9.50
0
Boars
0
180
2.70
0
Total Fresh Water Excess (gals.)=
Total Fresh Water Excess (cu.ft.)=
O. Sox 856, Warsaw NC 28398
1,992,375
266,360
[phone]

Grower: Scott Farm Site 3 Primary (A) Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12119/23
Countv: Dudlin. NC Sheet 4 of 7
Temporary Storage Volume: (Cont.)
Rainfall in Excess of Evaporation:
Vol_=(Lagoon Surface Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (77842 sq.ft. + 0 sq.ft.) * 7 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 45,408
Storm Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in_/ft.
Vol.= (77842 sq.ft + 0 sq.ft.) * 7.5 in. /12 in./ft.
Total Required Volume for 25Yr./24Hr. Storm Event (cu.ft)= 48,651
"Heavy Rain" Storage:
Vol.=(Lagoon Surf. Area + Addfl Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (77842 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')= 48,651 (CU.FT)
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage) = 715,472 (CU.FT)
Total Required Permanent Storage
(Treatment + Sludge) = 0 (CU.FT)
TOTAL REQUIRED VOLUME = 764124 (CU.FT.)
Murphy -Brown, LLC Engineering P.O. Box

Grower: Scott Farm Site 3 Primary (A) Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
County: Duplin, NC Sheet 5 of 7
LAGOON DESIGN SUMMARY
Top of Dike Elevation --- -------------
144.10
FT.
Emergency Spillway Crest Elevation --------------- --
Not A[Applicable
Top of 25Yr. / 24Hr. Storm Storage ----- ----------- —
143.10
FT.
Top of "Heavy Rain" Storage --- ------------- —
Not
Applicable
Start Pump Elevation --------------
142.42
FT.
End Pump Elevation -----------------
134.00
FT.
Top of Sludge Storage -----------------
Not
Applicable
Seasonal High Watertable Elev. _______________
0.00
Finished Bottom Elevation -----------------
131.80
FT.
Inside Top Length — --- ----------- —
Not
Applicable
Inside Top Width ---------------
Not
Applicable
Side Slopes ---------------
3:1
H:V
Lagoon Surface Area ----------------
77,842
SF
Min. Liner Thickness (if required) -------------------
1.8
FT.
Freeboard Depth ----- -------------
1.00
FT_
Temporary Storage Period ----------------
180
Days
Zone Depths;
TOTAL DESIGN VOLUME = 618256 (CU.FT.)
Treatment / Sludge Storage Zone Depth -------- -- 2.2 FT_
Temporary Storage Zone Depth ----------- 8.4 FT.
Freeboard / Storm Storage Zone Depth -------- 1.7 FT.
Total Lagoon Depth ------ ---- 12.3 FT.
(910)

Grower: Scott Farm Site 3 Primary (A) DesigneJEO
Address: PO Box 759 Checke(DSE
Rose Hill, NC 28458 Date: 12/19/23
County. Duplin, NC Sheet 6 of 7
ZONE ELEVATIONS
TOP OF DIKE ELEV = 144.10
/ 1 TOP OF STORM ELEV = 143.10 / 1
1 1
STRT PMP EL.= 142.42 1 TOP OF TEMP STORAGE ELEV = 142.42 /
END PMP EL. = 134.00 \ TOP OF TREAT ELEV = 134.00 SHWT = 0.00
1 I
1 /
1 /
1 /
FINISHED BOTTOM ELEV = 131.80
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 (910) 293,3434

Grower: Scott Farm Site 3 Primary (A)
Designed By:
Address: PO Box 759 Checked By:
Rose Hill, NC 28458 Date:
County: Duplin, NC 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:12/19/2023
`��

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
JEO
DSE
12/19/23
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.
I 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]

Facility Number: 31-0005
Grower: Scott Farm Designed By.- JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
County: Du lin, NC Sheet 1 of 12
ANAEROBIC DIGESTER DESIGN
FARM INFORMATION
Farm Ponulation:
Wean to Finish: ----- ---- 14375 Hd.
Finishing: ----------- 0
Farrow to weanling: 0
Farrow to teede► 0
Farrow to finish.
Br--... 0
25 Yr. / 24 Hr Storm Event ---------------- 7.5 In.
Recycle Flush Water Volume: ------------- 0
DIGESTER INFORMATION
Is Digester Designed as an Irregular Shape?
(Y/N)---------
y
Was This Facility Built Prior to 9/96?
(Y/N)—----- ----
N
Is Drain Tile Req'd to Lower SHWT?
(Y/N)--------
N
Seasonal High Water Table Elev:
------- ---------
0.00
Structural Freeboard:
---- —----------- —
1.0
Ft.
Side Slopes:
----- —--- ------
3
:1 (H:V)
From Lagoon
Volume Check Contours
460.0
Ft.
contour areas see sheet 2 of 7...
230.0
Ft.
Top of Dike Elevation:
-----------
Depth
153.00
Ft.
Finished Bottom Elevation:
-----------
12.00 Ft.
141.00
Ft.
Start Pump Elevation:
-----------
20 In.
151.33
Ft.
Stop Pump Elevation:
------------
26.00 In.
150.83
Ft.
Top of Sludge Elevation:
----------
132 In.
142.00
Ft.
DIGESTER VOLUMES REQUIRED VOL.
DESIGN VOLUMES
% REQ'D.
Freeboard = 66125
(Cu.Ft.)
66,453 (Cu.Ft.)
100.50%
Temporary = 0
(Cu.Ft.)
49,168 (Cu.Ft.)
7.13%
Operational = 690,000
(Cu.Ft.)
689,043 (Cu.Ft.)
99.86%
Sludge = 0
(Cu.Ft.)
76,750 (Cu.Ft.)
Total Volume = 690,000
(Cu.Ft.)
881,414 (Cu.Ft.)
127.74%
Lagoon Surface Area: (Inside TOD)
105,800 S.F.
Smithfield Hog Production Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

Facility Number:31-0005
Grower: Scott Farm Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
County: Duplin, NC Sheet 2 of 12
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: Cu. Ft.
DIGESTER
STAGE -AREA VOLUMES
Contour
Elevation (FT.}
Area SF Incr. Vol. (Cu. FT)
Cumul. Vol. Cu. FT
141.00
54,352
20,382
142.00
58,384
56,368
76,750
143.00
62,560
60,472
137,222
144.00
66,880
64,720
201,942
145.00
71,344
69,112
271,054
146.00
75,952
73,648
344,702
147.00
80,704
78,328
423,030
148.00
86,000
83,352
506,382
149.00
89,816
87,908
594,290
150.00
93,704
91,760
686,050
151.00
97,664
95,684
781,734
152.00
101,696
99,680
881,414
153.00
105,800
103,748
985,162
These volumes were calculated using the vertical average end area method.
TOTAL REQD VOL 1,355,310
CF
CUMULATIVE
VOL.
ZONE VOL.
127.74%
END PUMP = = = = 150.83
FT
765,793 CF
TR'MT
689,043
0.00%
START PUMP = = = 151.33
FT
814,961 CF
TEMP
49,168
99.86%
MAX STORAGE = 152.00
FT
881,414 CF
STORM
66,453
7.13%
Smithfield Hog Production Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

rower: Scott Farm nmary
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
County: Duplin, NC Sheet 3 of 12
WASTE STORAGE POND DESIGN 2nd STAGE
FARM INFORMATION
Farm Population:
Wean to Finish: --------------- 14375 Hd.
Finishing: -------------- 0
Farrow to weanling
Farrow to feeder
Farrow to finish:
Storage Period: -------------- 180 Days
100 Yr. / 24 Hr Storm Event -----------_—_ 7.5 In.
"Heavy Rain" Factor Not Applicable Even if Value Shown 0
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? (YIN) -------- 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:
---- —---------- —
0.00
Freeboard:
-------- -- ----- —
1.0
Ft.
Emergency Spillway Flow Depth:
Not Applicable Even if Value Shown
0
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
153.00
Ft.
Finished Bottom Elevation:
------------ --- 10.30 Ft.
142.70
Ft.
Start Pump Elevation:
----------- 19.92 In.
151.34
Ft.
Stop Pump Elevation:
------------ --- 99.6 In.
144.70
Ft.
CHECK PUMPING ELEVATIONS111
STORAGE VOLUME REQUIRED VOL. DESIGN VOLUMES % REQ'D.
Storm Stor =
87832 (Cu.Ft.)
87,743
(Cu.Ft.) 99.90%
Temporary =
750887 (Cu.Ft.)
770,737
(Cu.Ft.) 102.64%
Permanent =
0 (Cu.Ft.)
351,645
(Cu.Ft.)
Total Volume =
838,719 (Cu.Ft.)
1,210,124
(Cu.Ft.) 144.28%
90 Temporary Storage Volume Elevation = 146.44 Ft. 78.72 In.
Lagoon Surface Area: (Inside TOD)—_____________ 140,531 S.F.
Smithfield Hog Production Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

Grower: Scott Farm #2 Primary _(S) - Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: DuNin. NC Sheet 4 of 12
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: I 15UMICU. Ft.
STORAGE POND STAGE -AREA VOLUMES
Contour
Elevation (FT.)
Area (SF)
I ncr. Vol. (Cu. FT
142.70
91,565
143.00
92,875
27,666
144.00
97,328
95,101
145.00
101,851
99,589
146.00
106,442
104,147
147.00
111,103
108,773
148.00
115,833
113,468
149.00
120,634
118,233
150.00
125,502
123,068
151.00
130,440
127,971
152.00
135,449
132,944
153.00
140,531
137,990
Cumul. Vol. (Cu. FT)
159,165
186,831
281,932
381,521
485,668
594,440
707,909
826,142
949,210
1,077,180
1,210,124
1,348,114
These volumes were calculated using the vertical average end area method.
TOTAL READ VOL 1,355,310
CF
CUMULATIVE
VOL.
ZONE VOL. 144.28%
END PUMP = = = = 144.70
FT
351,645 CF
TR'MT
351,645
START PUMP = =: 151.34
FT
1,122,381 CF
TEMP
770,737 102.64%
MAX STORAGE = 152.00
FT
1,210,124 CF
STORM
87,743 99.90%
Smithfield Nog Production Engineering P.O. Box 856 ,Warsaw, NC 28398 [phone]

Grower: Scott Farm Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: DuDlin. NC Sheet 5 of 12
MINIMUM REQUIRED VOLUME CALCULATIONS DIGESTER
Permanent Storage:
Required Treatment Volume:
Animal Type Capacity (cu. t./hd) = Total
r..__.
0
1.00
0
Wean to Finish
14,375
48.00
690,000
Finishing
0
50.00
0
Fr
0
Fe.
0
0
0
0
Total Required Treatment Volume (cu. ft.)=
Sludge Storage Volume:
690,000
Animal Type Capacity ALW {cu.ft./Ib) = Tota
0
0
Wean to Finish
14,375
115
0.00
0
Finishing
0
135
0.00
0
vea, ...
0
0
eeder
0
0.17
0
*+
0
0
0
0
Total Required Sludge Storage Volume (cu. ft.)=
No Storm Storage Unless a Partial Cover Digester:
Vol.=(Digester Surf. Area + Addt'I Drainage Area) * 100Yr./24Hr. Storm(in) / 12in_/ft.
Vol.= (105800 sq.ft + 0 sq.ft.) * 7.5 in. /12 in./ft.
Total Required Volume for 100Yr./24Hr. Storm Event (cu.ft)=
No "Heavy Rain" Storage Unless a Partial Cover Digester:
Vol.=(Digester Surf. Area + Addt'I Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (105800 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
(100Yr. / 2411r. Storm +'Heavy Rain')=
Total Required Permanent Storage
(Treatment + Sludge) _
0
66,125
66,125 (CU.FT)
690,000 (CU.FT)
TOTAL REQUIRED DIGESTER VOLUME = 756125 (CU.FT.)
P.O. Box 856, Warsaw NC 28398
0
[phone]

Grower: Scoff Farm Designed By: JEO
Address: PO Box 759 Checked By. DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: Duolin. NC Sheet 6 of 12
Temporary► Storage Volume:
Manure Production:
jAnimal Type Capacity to. Period=Total
0
0
Wean to Finish 14,375
180
1.17
3,019,613
Finishing 0
180
1.40
0
0
4.30
0
0
4.50
0
0
0
0
4.00
0
Total Manure Production (gals.)= 3,019,613
Total Manure Production (cu.ft.)= 403,692
Excess Fresh Water:
Animal ype Capacity to. Penoa I ota
0
Wean to Finish
14,375
180
0.77
1,983,836
Finishing
0
180
0.90
0
0
0
0
0
Total Fresh Water Excess (gals.)= 1,983,836
Total Fresh Water Excess (cu.ft.)= 265,219

Grower: Scoff Farm Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: Dublin. NC Sheet 7 of 12
Temporary Storage Volume: (Cont.)
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. + 140531 sq.ft. + 0 sq.ft.) * 7.0 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 81,976
Storm Storage: Only in Waste Storage Pond since digester is covered
Vol.=(Digester Surface Area + Waste Storage Pond Area A * 100Yr.124Hr Storm (in.)/1 2in./ft.
Vol.= (0.0 sq.ft. + 140531 sq.ft. + 0 sq.ft.) * 7.5 in.
Total Required Volume for 100Yr.124Hr. Storm Event (cu.ft)= 87,832
"Heavy Rain" Storage: Only in Waste Storage Pond when required since digester is covered
.=(Digester Surface Area + Waste Storage Pond Area + Additional Drainage Area) * Heavy Rain Factor(in) / 12in.,
Vol.= (0.0 sq.ft. + 140531 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')=
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage)=
Total Required Permanent Storage
(Treatment + Sludge) _
87,832 (CU.FT)
750,887 (CU.FT)
0 (CU.FT)
0
TOTAL REQUIRED 2nd STAGE VOLUME = 838719 (CU.FT.)
0

Grower: Scott Farm Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: DuDlin. NC Sheet 8 of 12
DIGESTER DESIGN SUMMARY
Top of Dike Elevation ---- -------------
139.50
FT.
Top of 25Yr. / 24Hr. Storm Storage ---- --------------
152.00
FT.
Start Pump Elevation -----------------
137.75
FT.
End Pump Elevation -----------------
137.25
FT.
Top of Sludge Storage ---- -------------
142.00
FT.
Seasonal High Watertable Elev.--- --------------
128.50
FT.
Finished Bottom Elevation -----------------
124.00
FT.
Inside Top Length — --- -------------
630.00
FT.
Inside Top Width ----- ------------
260.00
FT.
Side Slopes ----- ------------
3.0:1
H:V
Lagoon Surface Area -----------------
163,800
SF
----------------
Freeboard Depth ----- -------------
1.00
FT_
Zone Depths:
TOTAL DESIGN VOLUME = 1781723 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- 13.3 FT.
Temporary Storage Zone Depth ----------- 0.5 FT.
Freeboard Depth ----------- 1.8 FT.
Total Digester Depth ---- ------ 15.5 FT.
Smithfield Hoq Production Emineerinq P.O. Box 856, Warsaw NC 28398
(91

Grower: Scott Farm Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 10/18/22
Countv: DuDlin. NC Sheet 9 of 12
STORAGE POND DESIGN SUMMARY 2nd STAGE
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
Temporary Storage Period
Zone Depths:
1.00 FT.
180 Days
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.O. Box 856, Warsaw NC 28398

Address: PO Box 759
Rose Hill, NC 28458
Countv Duplin. NC
ZONE ELEVATIONS DIGESTER
Checked By: DSE
Date: 12/19/23
Sheet 10 of 12
TOP OF DIKE ELEV = 139.50
1 /1
/ 1 TOP OF STORM ELEV=152.00 / 1
/ 1 TOP OF TEMP STORAGE ELEV = 137.75 ! 1
1 !
1 /
START PUMP EL.= 137.7; 1 TOP OF OPERATIONAL ELEV = 137.25 !
1 /
END PUMP EL. = 137.25 1 SHWT = 128.50
1 /
1 /
1 TOP OF SLUDGE ELEV = 142.00 /
1 /
FINISHED BOTTOM ELEV = 124.00

Address: PO Box 759
Rose Hill, NC 28458
County. Duplin, NC
/ 1
/ 1
1
1
START PUMP EL.= 135.9; 1
1
END PUMP EL. = 130.74
Checked By: DSE
Date: 12/19/23
Sheet 11 of 12
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 !
FINISHED BOTTOM ELEV = 125.38
11
/ 1
! 1
SHWT = 128.50

Grower: Scott Farm Designed By: JEO
Address: PO Box 759 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: DUDIin. 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: r!F
DATE: 2/19/2023
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: Scott Farm Site 4 Designed By: JEO
Address: PO Box 785 Checked By:
Rose Hill, NC 28458 Date: 12/19/23
County: Duplin Sheet 1 of 7
WASTE STORAGE POND DESIGN
FARM INFORMATION
Farm Population:
Nursery: ---------------
Wean to Finish: ---------_____
Finishing:
Farrow toweanling:------------
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
Is Lagoon Designed as an Irregular Shape? (Y/N)--------
Does Operator Want Emergency Spillway? (Y/N)-------
Was This Design Built Prior to Sept. 1996? (Y/N)--------
Is Drain Tile Req'd to Lower SHWT? (Y/N)--------
Seasonal High Water Table Elev:---------______
Freeboard: --------------
Emergency Spillway Flow Depth: Not Applicable
Side Slopes: --------------
From Lagoon Volume Check Contours
contour areas see sheet 2 of 7...
Top of Dike Elevation: __________. Depth
Finished Bottom Elevation. --- ---------- 10.50 Ft.
Start Pump Elevation: ----------- 21.6 In.
Stop Pump Elevation: ------------ 48 In.
LAGOON VOLUME REQUIRED VOL. DESIGN VOLUMES
Storm Stor = 84310 (Cu.Ft.) 102,953 (Cu.Ft.)
Temporary = 770730 (Cu.Ft.) 268,175 (Cu.Ft.)
Permanent = 0 (Cu.Ft.) 673,797 (Cu.Ft.)
Total Volume = 855,040 (Cu.Ft.) 1,044,925 (Cu.Ft.)
1/2 Treatment Volume = 0 (Cu.Ft.)
1/2 Treatment Volume Elevation = 150.50 Ft.
90 Temporary Storage Volume Elevation = 149.30 Ft.
Min. Required Liner Thickness
Lagoon Surface Area: (Inside TOD)
Y
N
Y
N
0
24642 Hd.
0
0
0
0
0
180 Days
7.5 In.
7.0 In.
0
0
0.00
1.0 Ft.
3 :1 (H:V)
0.0
0.0
154.50 Ft.
144.00 Ft.
152.70 Ft.
150.50 Ft.
% REQ'D.
122.11%
34.79%
122.21 %
48.00 In.
62.43 In.
1.5 Ft.
134,896 S.F.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 (910) 293,3434

Grower: Scott Farm Site 4 Designed By: JEO
Address: PO Box 785 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: Duglin Sheet 2 of 7
ACTUAL DESIGN VOLUME CALCULATIONS
BASE VOLUME: I ujuu. Ft.
LAGOON STAGE -AREA VOLUMES
Contour
Elevation (FT.)
Area SF
144.00
90,473
145.00
94,400
146.00
98,385
147.00
102,435
148.00
106,551
149.00
110,733
150.00
114,980
151.00
119,292
152.00
123,671
153.00
128,115
154.00
132,625
154.50
134,896
Incr. Vol. (Cu. FT)
92,437
96,392
100,410
104,493
108,642
112,856
117,136
121,482
125,893
130,370
66,880
Cumul. Vol. (Cu. FT)
0
92,437
188,829
289,238
393,731
502,373
615,229
732,365
853,847
979,740
1,110,110
1,176, 990
These volumes were calculated using the vertical average end area method.
TOTAL READ VOL
855,040
CF
CUMULATIVE
VOL.
ZONE VOL. 122.21%
END PUMP = = _ =
150.50
FT
673,797 CF
TR'MT
673,797
START PUMP = _ =
152.70
FT
941,972 CF
TEMP
268,175 34.79%
MAX STORAGE =
153.50
FT
1,044,925 CF
STORM
102,953 122.11%
Murphy --Brown, LLC Engineering P.O. Box 856, Warsaw, NC 28398 (910) 293,3434

Grower: Scott Farm Site 4 Designed By: JEO
Address: PO Box 785 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
County: Duplin Sheet 3 of 7
MINIMUM REQUIRED VOLUME CALCULATIONS
Permanent Storage:
Required Treatment Volume:
Total Required Treatment Volume (cu. ft.)= 0
Sludge Storage Volume:
Total Required Sludge Storage Volume (cu. ft.)= 0
Temporary Storage Volume:
Manure Production:
Total Manure Production (gals.)= 5,176,463
Total Manure Production (cu.ft.)= 692,040
Excess Fresh Water:
Total Fresh Water Excess (gals.)= 0
Total Fresh Water Excess (cu.ft.)= 0
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]
Animal Type Capacity ALW (cu.ft./Ib) = 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
Animal Type Capacity L (cu.ft.11b) = Tota!
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
[Animal Type Capacity * to. 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
Animal Type Capacity * Sto. Period d.lday} 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

Grower: Scott Farm Site 4 Designed By: JEO
Address: PO Box 785 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: Duolin Sheet 4 of 7
Temporary Storage Volume: (Cont.1
Rainfall in Excess of Evaporation:
Vol.=(Lagoon Surface Area + Additional Drainage Area) * Rainfall / 12in./ft
Vol.= (134896 sq.ft. + 0 sq.ft.) * 7 in. /12 in./ft.
Total Required Volume for Rainfall in Excess of Evap. (cu.ft.)= 78,689
Storm Storage:
Vol.=(Lagoon Surf. Area + Addt'I Drainage Area) * 25Yr./24Hr. Storm(in) / 12in./ft.
Vol_= (134896 sq.ft + 0 sq.ft.) * 7.5 in. /12 in./ft.
Total Required Volume for 25Yr./24Hr. Stone Event (cu.ft)= 84,310
"Heavy Rain" Storage:
Vol.=(Lagoon Surf. Area + Addt'l Drainage Area) * "Heavy Rain" Factor (in) / 12in./ft.
Vol.= (134896 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')= 84,310 (CU.FT)
Total Required Temporary Storage
(Manure Prod. + Excess Fr. Water + Rainfall Excess + Additional Water Storage) = 770,730 (CU.FT)
Total Required Permanent Storage
(Treatment + Sludge) = 0 (CU.FT)
TOTAL REQUIRED VOLUME = 855040 (CU.FT.)

Grower: Scott Farm Site 4 Designed By: JEO
Address: PO Box 785 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: Duolin Sheet 5 of 7
LAGOON DESIGN SUMMARY
Top of Dike Elevation --- --------------
154.50
FT.
Emergency Spillway Crest Elevation -------------------
Not AK Applicable
Top of 25Yr. / 24Hr. Storm Storage ------------------
153.50
FT_
Top of "Heavy Rain" Storage ------------------
Not
Applicable
Start Pump Elevation -----------------
152.70
FT.
End Pump Elevation --- --- -----------
150.50
FT.
Top of Sludge Storage ----- ------------
Not
Applicable
Seasonal High Watertable Elev.--- --------------
0.00
Finished Bottom Elevation -----------------
144.00
FT.
Inside Top Length -----------------
Not
Applicable
Inside Top Width ---- -------------
Not
Applicable
Side Slopes ---- -------------
3:1
H:V
Lagoon Surface Area -----------------
134,896
SF
Min. Liner Thickness (if required) -------------------
1.5
FT.
Freeboard Depth ----- -------------
1.00
FT.
Temporary Storage Period -----------------
180 Days
Zone Depths:
TOTAL DESIGN VOLUME = 1044925 (CU.FT.)
Treatment / Sludge Storage Zone Depth ----------- 6.5 FT.
Temporary Storage Zone Depth ----------- 2.2 FT.
Freeboard / Storm Storage Zone Depth --------- 1.8 FT.
Total Lagoon Depth ----------- 10.5 FT
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398

Grower: Scott Farm Site 4 DesigneJEO
Address: PO Box 785 Checker DSE
Rose Hill, NC 28458 Date: 12/19/23
County. Duplin Sheet 6 of 7
ZONE ELEVATIONS
TOP OF DIKE ELEV = 154.50
/ 1 TOP OF STORM ELEV = 153.50 / 1
1 /
1 /
STRT PMP EL.= 152.70 \ TOP OF TEMP STORAGE ELEV = 152.70 /
1 /
END PMP EL. = 150.50 \ TOP OF TREAT ELEV = 150.50 SHWT = 0.00
1 /
1 /
1 /
\_ /
FINISHED BOTTOM ELEV = 144.00
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]

Grower: Scott Farm Site 4 Designed By: JEO
Address: PO Box 785 Checked By: DSE
Rose Hill, NC 28458 Date: 12/19/23
Countv: DUDlin 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.
,

NOTE: See attached Waste Utilization Plan
DESIGNED:
DATE: 12/19/2023
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
certification of the farm.
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.
Murphy -Brown, LLC Engineering P.O. Box 856, Warsaw NC 28398 [phone]

U.S. DEPARTMENT OF THE INTERIOR WARSAW NORTH QUADRANGLE
U.S. GEOLOGICAL SURVEY NOUN CAROLINA - DUPLIN COUNTY
MU§GS US—Upo 7.5-MINUTE SERIES
P,.du..d by lh. U.il.d Sll. G-0111 S­
T.L.2.4.
SCALE 1:24 003
0 a eWre 0
WARSAW NORTH, NC

Scott Farm (31-0005)
313 Elvin Carter Lane
Warsaw, North Carolina
Duplin County
Anaerobic Digester Construction Narrative
Prepared by: Jason Olmstead
December 15, 2023
Smithfield
600A took RespoKsibl��
• :.
2822 Hwy 24 West
Warsaw, NC 28398
Phone [phone]
Fax [phone]
Email: [e-mail]

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

1.0 PROJECT DESCRIPTION
Smithfield Hog Production is proposing to construct one new digester and biogas collection system on
this 357-acre farm. The farm is in north west Duplin County approximately 4 miles north of Warsaw,
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 a synthetic lined and synthetic covered lagoon;
three existing lagoons will be utilized as waste storage ponds. Finishing animal manure will be collected
into the new digester by a combination of gravity discharge where possible and lift stations where
necessary. The new digester 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
digester 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 Scott Farm is a Smithfield Hog Production/Murphy Farms, Inc. company owned finisher. It is
permitted for 14,437 head wean to finish. The site currently consists of multiple finishing barns. The
farm has 2 single stage anaerobic waste lagoon Systems with a shared secondary lagoon. The farm has
been in some form of operation since 1991 with the majority of the operations built in the early 1990's.
In 2008 sites 1-3 were combined into the current site 2 operations.
3.0 PLANNED SITE CONSTRUCTION
1. The main construction portion for this site will be constructing a new digester. The digester 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, gravity water return line to remove effluent
water from the digester to the adjacent lagoon 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 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 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.
4. All the waste from the buildings will be discharged under the covered lagoon/digester. A mixing
pump will be installed at the 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.
5. 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 gravity flow to an existing
lagoon for storage.
6. The required waste treatment is now under one digester 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.
7. 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 upgrading system. The on -farm biogas upgrading
system removes moisture from raw biogas and cleans the gas to pipeline quality. The clean
condensate will be pumped into the adjoining field or returned to the lagoon system. The clean dry
biogas will now enter the on farm pipeline to be carried to the centralized gas compressor station.

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Sheet7
CALCULATIONS
Sprinkler Specifications
Sprinkler Type: Nelson 150
Nozzle Size:
1.18 inches
Sprinkler Pressure:
60 psi
Flowrate(GPM):
229 gpm
Wetted Diameter:
315 feet
Lane Snacinas
Desired Spacing (%):
70 %
Design Spacing(feet):
220.5 *PVC irrigation pipe normally comes in 20' pieces,
so round to the nearest multiple of 20.
Actual Spacing (feet):
200 feet
Actual Spacing (%):
63 %
Aeplication Rate
Application Rate =(96.3xFlowrate)/(3.1415x(.9xradius)squared)
Design App. Rate =
0.35 in/hr
300 degree arc =
0.42 in/hr 330 degree arc = 0.38 in/hr
220 degree arc =
0.57 in/hr
180 degree arc =
0.70 in/hr
Traveller Speed
Travel speed = 1.605 x Flowrate / Desired application amount x Lane Spacing
Desired app. (in.) =
0.5 inches 360 degree arc = 3.68 ft/min
300 degree arc =
4.41 ft/min 330 degree arc = 4.01 ft/min
220 degree arc =
5.88 ft/min
180 degree arc =
7.35 ft/min
Mainline Velocit
Velocity = .408 x Flowrate / pipe diameter squared feet/sec.**
**For buried pipelines, velocity
should be below 5 feet per second
Pipe size:
6 inches
Velocity=
2.60 ft/sec.
Page 1

Sheet?
CALCULATIONS
Sprinkler Specifications
Sprinkler Type: Nelson
150
Nozzle Size:
1.18 inches
Sprinkler Pressure:
60 psi
Flowrate(GPM):
229 gpm
Wetted Diameter:
315 feet
Lane Soacinas
Desired Spacing (%):
70 %
Design Spacing(feet):
220.5 *PVC irrigation pipe normally comes in 20' pieces,
so round to the nearest multiple of 20.
Actual Spacing (feet):
220 feet
Actual Spacing (%):
70 %
ApQficaflon Rate
Application Rate =(96.3xFlowrate)/(3.1415x(.9xradius)squared)
Design App. Rate =
0.35 in/hr
300 degree arc =
0.42 in/hr 330 degree arc = 0.38 in/hr
220 degree arc =
0.57 in/hr
180 degree arc =
0.70 in/hr
Traveller Speed
Travel speed = 1.605 x Flowrate / Desired application amount x Lane Spacing
Desired app. (in.) =
0.5 inches 360 degree arc = 3.34 ft/min
300 degree arc =
4.01 ft/min 330 degree arc = 3.64 ft/min
220 degree arc =
5.35 ft/min
180 degree arc =
6.68 ft/min
Mainline Velocity
Velocity = .408 x Flowrate / pipe diameter squared feet/sec.**
**For buried pipelines, velocity should be below 5 feet per second
Pipe size:
6 inches
Velocity=
2.60 ft/sec.
Page 1

Sheet?
CALCULATIONS
Sprinkler Specifications
Sprinkler Type: Nelson
150
Nozzle Size:
1.18 inches
Sprinkler Pressure:
60 psi
Flowrate(GPM):
229 gpm
Wetted Diameter:
315 feet
Lane Snacinas
Desired Spacing (%):
70 %
Design Spacing(feet):
220.5 *PVC irrigation pipe normally comes in 20' pieces,
so round to the nearest multiple of 20.
Actual Spacing (feet):
240 feet
Actual Spacing (%):
76 %
Application Rate
Application Rate =(96.3xFlowrate)/(3.1415x(.9xradius)squared)
Design App. Rate =
0.35 in/hr
300 degree arc =
0.42 in/hr 330 degree arc = 0.38 in/hr
220 degree arc =
0.57 in/hr
180 degree arc =
0.70 in/hr
Traveller Speed
Travel speed = 1.605 x Flowrate / Desired application amount x Lane Spacing
Desired app. (in.) =
0.5 inches 360 degree arc = 3.06 ft/min
300 degree arc =
3.68 ft/min 330 degree arc = 3.34 ft/min
220 degree arc =
4.90 ft/min
180 degree arc =
6.13 ft/min
Mainline Velocity
Velocity = .408 x Flowrate / pipe diameter squared feet/sec.**
*For buried pipelines, velocity
should be below 5 feet per second
Pipe size:
6 inches
Velocity=
2.60 ft/sec.
Page 1

Sheet8 (2)
Scott Farm; Fac. No.: 31-5
Acreage Calculations 10/24/2013
Revised 12/15/2023
Length Acres Total Acres Start End
Width
Stop End
Total
Pull # (ft.)
fit [midsection) [midsection]
(ac.
ac.
Pull Acres
1 277.5
2 120
240
551 3.510 3.510
547 1.507 2.972
I 0.834
0.684
0.626
0.000
5.03
0.773
4.37
266 1.466 0.000
j 0.000
0.00
3 277.5
8
0.051 0.051
J 0.834
0.684
1.57
4 257.5
570
3.369 3.369
0.777
0.632
4.78
5
200
657
3.017 3.017
0.667
0.519
4.20
6
200
740
3.398 3.39_8 0.667
3.779 3.779 0.667
0.519
4.58
7
200
823
0.519
4.96
8
257.5
422
2.495
4.882 0.777
0.316
5.98
214
486
2.388
_
0.000 0.000
0.000
0.00
9
100
749
1.719
4.444
3.498
1.719 0.389
0.000
2.11
10
220
880
4.444 0.725
0.000
5.17
11
171
I 891
3.498 0.459
0.000
3.96
12
277.5
902
5.746
5.746 0.834
0.000
6.58
13 240
900
4.959
4.959 0.773
0.000
5.73
14 277.5
15 277.5
16 120
899
5.727
5.727 0.834 0.000
1.325 0.834 0.000
2.548 0.773 0.000
0.000 0.000 0.000
6.56
208
1.325
2.16
135
0.372
3.32
240
395
2.176
0.00
17
277.5
278
1.771
1.771 0.834 0.000
2.61
18
j 146
673
2.256
2.256 0.438 0.000
4.030 0.725 0.000
2.69
19
220
798
4.030
0.693
4.76
20
100
302
_
2.818
0.583 0.000
3.40
208
445
2.125
0.000
0.000
0.000
0.00
21
257.5
612
3.618
3.618
0.777
0.632
5.03
22 200
566
485
484
2.599
2.227
2.599
0.667
0.519
3.78
23 200
2.227
0.667
0.519
3.41
25 277.5
3.083
5.549
0.834
0.342
6.73
230
467
2.466
0.000
0.000
0.000
0.00
26
277.5
902
5.746
5.746
0.834
0.684
7.26
27
257.5
617
3.647
3.647
0.777
0.632
5.06
28
100
545
1.251
1.251
0.389
0.316
1.96
30
191
213
0.934
0.934
0.576
0.316
1.83
31
248
242
1.378
4.002
0.834
0.684
5.52
277.5
412
2.625
0.000
0.000 0.000
0.00
32
33
34
277.5 625
3.982
3.982
0.834 0.684
0.437 0.316
0.725 0.580
5.50
156 843
3.019
3.019
3.77
_
220 843
4.258
4.258
5.56
_
35
277.5 843
5.370
5.370
0.834 0.684
6.89
6.89
36 277.5 843
37 277.5 843
38 141.75 227
5.370
5.370
0.834 0.684
5.370
I 5.370
0.834 0.684
6.89
0.739
1 1.110
0.725 f 0.600
2.43
283.5
57 0.371 0.000 0.000 0.000
0 0.000 0.000 0.000 0.000
0 0.000 1 0.000 0.000 0.000
0 0.000 0.000 0.000 0.000
Total Acres
0.00
0
0
0.00
_ 0.00
0.00
0
163.03
Page 1

Scott Farm
Fac. Na: 31-5
D%pder Add't
Specifications:
Ag Rain Reels w/Nelson 150
w/1.18" Nozzle @ 60 PSI
315' WD; 229 GPM
Well
Offset

�.
Offset
3
26CD
38 ) N
(� N
O-
''g Tie into existing 20
main line here g
Well 27 0 19
w/100' 28 0 10 $
Offset �$ +
18
0 11
12 17 21
N 22
Pull # Acres 13 16 23
1 5.03
2 4.37 4 15 30 200•
3 1.57 $ 14
4 4.78
5 4.20 5
6 4.58
7 4.96
8 5.98 6 0
9 2.11
10 5.17 33 31
11 3.96 7 3z
12 6.58
13 5.73 8 34 240'
14 6.56
15 2.16
16 3.32 0 35
17 2.61
18 2.69 37
19 4.76 0
20 3.40
21 5.03 36
22 3.78
23 3.41
25 6.73
26 7.26
27 5.06
28 1.96
30 1.83
31 5.52
32 5.50
34 5.56 GRAPHIC SCALE
35 6.89
36 6.89 600 0 300 600 1200
37 6.89
38 2.43 -
Total 163.03
( IN FEET) 12/2023-Removed pull 24, extended pulls 25 & 26
1 inch = 600 ft. 5/7/2015-AdAdded
ddSue Digester
to Map

Scott Farm
Foe. No.: 31-5,
Digester Add't.
Well
w/100'
Offset
Total Fld 14 = 3.93 Ac.
Wetted = 2.43 Ac.
Sub 14 = 1.50 Ac.
Total Fld 8-9 = 17.75 Ac.
Wetted = 13.99 Ac.
Sub 8-9 = 3.76 Ac.-,-,
Well $ca9
w/100' pc
Offset
�0 ea 1
v
Well
w/100'
Offset
b72
0
N O
o-
Total Fld 3-6 = 24.65 Ac.
Wetted = 22.09 Ac.
Sub 3-6 = 2.56 Ac. J
0
Total Fld 4-5 = 35.71 Ac.
Wetted = 26.96 Ac.
Sub 4-5 = 8.75 Ac.
Total Fld 2 = 30.10 Ac.
Wetted = 24.50 Ac.
Sub 2 = 5.60 Ac.
Total Fld 12-13 = 34.06 Ac.
Wetted = 30.00 Ac.
Sub 12-13 = 4.06 Ac.
GRAPHIC SCALE
600 0 300 600 1200
I I I

gory
a U'
0
goo
Sub 16 = 7.67 Ac.
( IN FEET )
1 inch = 600 ft.
12/2023—Removed pull 24, extended pulls 25 & 26
and Added Digester
5/7/2015—Added Sub 16 Acreage to Map

D). Application and Handling Equipment
Check the appropriate box
Existing or expanding facility with existing waste application equipment (WUP or I)
Animal waste application equipment specified in the plan has been either field calibrated or evaluated in
accordance with existing design charts and tables and is able to apply waste as necessary to accommodate the
waste management plan: (existing application equipment can cover the area required by the plan at rates not to
exceed either the specified hydraulic or nutrient loading rates, a schedule for timing of applications has been
established; required buffers can be maintained and calibration and adjustment guidance are contained as part of
the plan).
X New, expanded, or existing facility without existing waste apRlication equipment forspray irrigation. (I)
Animal waste application equipment specified in the plan has been designed to apply waste as necessary to
accommodate the waste management plan; (proposed application equipment can cover the area required by the
plan at rates not to exceed either the specified hydraulic or nutrient loading rates; a schedule for timing of
applications has been established; required buffers can be maintained; calibration and adjustment guidance are
contained as part of the plan). Scott Farm AWS310005 — Pull Extension
New, expanded, or existing facility without existing waste application equipment for land spreading not using
spray irrigation. (WUP or I)
Animal waste application equipment specified in the plan has been selected to apply waste as necessary to
accommodate the waste management plan; (proposed application equipment can cover the area required by the
plan at rates not to exceed either the specified hydraulic or nutrient loading rates; a schedule for timing of
applications has been established; required buffers can be maintained; calibration and adjustment guidance are
contained as part of the plan).
Name of Technical Specialist (Please Print): M. Kevin Weston
Affiliation Murphy -Brown, LLC dba Smithfield Hog Prod. Date Work Completed: 12/15/2023
Address (Agency): P.O. Box 856 Warsaw NC 28398 Phone No.: [phone]
Signature: A,/- Date: / Z-AS'xoz3
E) Odor Control Insect Control Mortality Management and Emer renc • Action Plan SD
SI, WUP, RC or I]
The waste management plan for this facility includes a Waste Management Odor Control Checklist, an Insect Control
Checklist, a Mortality Management Checklist and an Emergency Action Plan. Sources of both odors and insects
have been evaluated with respect to this site and Best Management Practices to Minimize Odors and Best
Management Practices to Control Insects have been selected and included in the waste management plan. Both the
Mortality Management Plan and the Emergency Action Plan are complete and can be implemented by this facility.
Name of Technical Specialist (Please Print):
Affiliation Date Work Completed:
Address (Agency): Phone No.:
Signature: Date:
F) Written Notice of New or Expanding_Swine Farm
The following signature block is only to be used for new or expanding swine farms that begin construction after June
21, 1996. If the facility was built before June 21, 1996, when was it constructed or last expanded
I (we) certify that I (we) have attempted to contact by certified mail all adjoining property owners and all property owners
who own property located across a public road, street, or highway from this new or expanding swine farm. The notice was in
compliance with the requirements of NCGS 106-805. A copy of the notice and a list of the property owners notified are
attached.
Name of Land Owner:
Signature:
Name of Manager (if different from owner):
Signature:
AWC - September 18, 2006 3
Date:
Date:

Murphy -Brown, LLC
Grower(s):
Farm Name:
12/15/2023 2822 Hwy 24 West
P.O. Box 856
Warsaw, NC 28398
NUTRIENT UTILIZATION PLAN
Murphy -Brown, LLC dba Smithfield Hog Production
Scott Farm; Fac. No.: 31-5
County: Du lin
Permit Capacity:
Farrow to Wean
Farrow to Feeder
Farrow to Finish
Wean to Feeder
Wean to Finish 14,375
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 Type 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
14375
Wean to Finish
776 gal/yr
11,155,000 gal/yr
Feeder to Finish
927 gal/yr
gal/yr
Gilts
1015 gal/yr
gal/yr
Boars
2959 gal/yr
gal/yr
Total 11,155,000 gal/yr
AMOUNT OF PLANT AVAILABLE NITROGEN PRODUCED PER YEAR (Ibs):
Capacity Type Nitrogen Produced per Animal Total
Farrow to Wean
3.84 Ibs/yr
Ibs/yr
Farrow to Feeder
6.95 Ibs/yr
Ibs/yr
Farrow to Finish
18.86 Ibs/yr
Ibs/yr
Wean to Feeder
0.34 Ibs/yr
Ibs/yr
14375
Wean to Finish
1.4 Ibs/yr
20,125 Ibs/yr
Feeder to Finish
1.67 Ibs/yr
Ibs/yr
Gilts
1.83 Ibs/yr
Ibs/yr
Boars
5.33 Ibs/yr
Ibs/yr
Total 20,125 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: 163.03
Total N Required 1st Year: 43645.90
Total N Required 2nd Year: 24033.88
Average Annual Nitrogen Requirement of Crops: 33,839.89
Total Nitrogen Produced by Farm: 20,125.00
Nitrogen Balance for Crops: (13,714.89)
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

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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.
4of11

SLUDGE APPLICATION:
The following table describes the annual nitrogen accumulation rate per animal
in the lagoon sludge
Farm Specifications
PAN/ r/animal Farm Total/yr
Farrow to Wean
0.8
Farrow to Feeder
0.96
Farrow to Finish
3.9
Wean to Feeder
0.07
14375 Wean to Finish
0.27 3881.25
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 3881.25 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 19406.25 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 64 acreas of land. If you apply the sludge
to corn at a rate of 125 pounds per acre, you will need 155.25 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.
5 of 11

Application Rate Guide
The following is provided as a guide for establishing application rates and amounts.
Soil
Application Rate
Application Amount
Tract
Hydrant
Type
Crop
in/hr
* inches
73021
1
Autryville
D
0.6
1
73021
2
Autryville
D
0.6
1
73021
3
Autryville
D
0.6
1
73021
4
Goldsboro
D
0.4
1
73021
5
Goldsboro
D
0.4
1
73021
6
Goldsboro
D
0.4
1
73021
7
Goldsboro
D
0.4
1
73021
8
Goldsboro
D
0.4
1
73021
9
Foreston
D
0.5
1
73021
10
Foreston
D
0.5
1
73021
11
Foreston
D
0.5
1
73021
12
Rains
D
0.4
1
73021
13
Rains
D
0.4
1
73021
14
Rains
D
0.4
1
73021
15
Rains
D
0.4
73021
16
Rains
D
0.4
1
73021
17
Rains
D
0.4
1
73021
18
Foreston
D
0.5
1
73021
19
Foreston
D
0.5
1
73021
20
Foreston
D
0.5
1
73021
21
Rains
D
0.4
1
73021
22
Rains
D
0.4
1
73021
23
Rains
D
0.4
1
73021
25
Autryville
D
0.6
1
73021
26
Autryville
D
0.6
1
73021
27
Autryville
D
0.6
1
73021
28
Autryville
D
0.6
1
73021
30
Rains
D
0.4
1
73021
31
Rains
D
0.4
1
73021
32
Rains
D
0.4
1
73021
33
Rains
D
0.4
1
73021
34
Rains
D
0.4
1
73021
35
Rains
D
0.4
1
73021
36
Rains
D
0.4
1
73021
37
Rains
D
0.4
i
73021
38
Torhunta
D
0.45
1
6 of 11

Additional Comments:
This plan revised to reflect the current production and application rates as
listed on the NCSU Nutrient Management website.
Aerway acres are the remaining acres in a field not covered by the irrigation
reels but covered when using an aerway machine. These acres are optional.
Grain sorghum may be substituted for soybeans if desired.
If a cover crop is planted, the total amount of PAN applied to the cover crop
must be deducted from the following crops starting PAN rate.
This revision done 12/15/2023 to reflect the addition of a digester, the removal
pull 24, the extension of pulls 25 & 26, and the combination of sub8 & sub9
into sub8-9.
7of11

NUTRIENT UTILIZATION PLAN CERTIFICATION
Name of Farm: Scott Farm; Fac. No.: 31-5
Owner: Murphy -Brown, LLC dba Smithfield Hog Production
Manager:
Owner/Manager Agreement:
I/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.
/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 NCDW R upon request.
Name of Facility Owner: Murphy -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.
Address: 2822 Hwy 24 West, PO Drawer 856
Warsaw, NC 28398
Telephone: [phone]
Signature:
�T Date
8of11

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.
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).
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.
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).
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.
8 Animal waste shall not be applied to saturated soils, during rainfall events, or when the
surface is frozen.
9 of 11

NUTRIENT UTILIZATION PLAN
REQUIRED SPECIFICATIONS
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

AWS310005

Scott Farm
Foe. No.: 31-
D19-19F, Add't
13,�N
Well
w/100'
Offset
Pull Acres
1 5.03
2 4.37
3 1.57
4 4.78
5 4.20
6 4.58
7 4.96
8 5.98
9 2.11
10 5.17
11 3.96
12 6.58
13 5.73
14 6.56
15 2.16
16 3.32
17 2.61
18 2.69
19 4.76
20 3.40
21 5.03
22 3.78
23 3.41
25 6.73
26 7.26
27 5.06
28 1.96
30 1.83
31 5.52
32 5.50
33 3.77
34 5.56
35 6.89
36 6.89
37 6.89
38 2.43
Total 163.03
Specifications:
Ag Rain Reels w Nelson 150
w/1.18" Nozzle ® 60 PSI
315' WD; 229 GPM
Wellf�i`�t"s
w/100' �'111i1!
Offset r"Ilk
. ,
New 6" or 8"
Class 200 PVC Main 0
fit' Well
2 w/100' 0029i 9
Offset 1 OeSIGVA
5
26
N O
a
Tie into existing 20 N�
main line here 9
27 N 19
$ 10 N
28
18
c 11
12
17 21
N 22
2
16 3
13
4 N 15 30 2OD,
�? 14 _
5
GRAPHIC SCALE
600 0 300 600 1200
( IN FEET )
1 inch = 600 ft.
12/2023-Removed pull 24, extended pulls 25 do 26
and Added Digester
5/7/2015-Added Sub 16 Acreage to Map

Scott Form
Foe, Na: 31-5
D%mtw Add't.
PG' Well
1ko,$ w/100'
Offset
0
011
y�e �
`31 Total Fid 14 = 3.93 Ac.
Wetted = 2.43 Ac.
F-Sub 14 = 1.50 Ac.
Well
w/100'
Offset
Total Fld 8-9 = 17.75 Ac.
Wetted = 13.99 Ac.
Sub 8-9 = 3.76 Ac.,,-,,
ID
9 Pc
�
�O �2 P°c•
Well
w/100'
Offset
0
tN o
e" of
� m
a
Total Fid 3-6 = 24.65 Ac.
� Wetted = 22.09 Ac.
1 Sub 3-6 = 2.56 Ac.
E15
v
Total Fld 4-5 = 35.71 Ac.
Wetted = 26.96 Ac. wc
Sub 4-5 = 8.75 Ac.
Total Rd 2 = 30.10 Ac.
Wetted = 24.50 Ac.
Sub 2 = 5.60 Ac.
Total Fid 12-13 = 34.06 Ac.
Wetted = 30.00 Ac.
Sub 12-13 = 4.06 Ac.
Sub 16 = 7.67 Ac.
GRAPHIC SCALE
60D 0 300 600 1200
( IN FEET) 12/2023—Removed pull 24, extended pulls 25 & 26
end Added Digester
1 inch = 600 ft.. 5/7/2015—Added Sub 16 Acreage to Map

EMERGENCY ACTION PLAN
PHONE NUMBERS
DIVISION OF WATER QUALITY (DWQ) [phone]
EMERGENCY MANAGEMENT SERVICES (EMS) [phone]
SOIL AND WATER CONSERVATION DISTRICT (SWCD) [phone]
NATURAL RESOURCES CONSERVATION SERVICE (NRCS) [phone]
COOPERATIVE EXTENSION SERVICE (CES) [phone]
This plan will be implemented in the event that wastes from your operation are leaking,
overflowing or running off site. You should not wait until wastes reach surface waters or
leave your property to consider that you have a problem. You should make every effort
to ensure that this does not happen. This plan should be posted in an accessible
location for all employees at the facility. The following are some action items you should
take.
1. Stop the release of wastes. Depending on the situation, this may or may not be possible. Suggested
responses to some possible problems are listed below.
A. Lagoon overflow - possible solutions are:
a) Add soil to berm to increase elevation of dam.
b) Pump wastes to fields at an acceptable rate.
c) Stop all flow to the lagoon immediately.
d) Call a pumping contractor.
e) Make sure no surface water is entering lagoon.
B. Runoff from waste application field -actions include:
a) Immediately stop waste application.
b) Create a temporary diversion to contain waste.
c) Incorporate waste to reduce runoff.
d) Evaluate and eliminate the reason(s) that cause the runoff.
e) Evaluate the application rates for the fields where runoff occurred.
C. Leakage from the waste pipes and sprinklers - action include:
a) Stop recycle pump.
b) Stop irrigation pump.
c) Close valves to eliminate further discharge.
d) Repair all leaks prior to restarting pumps.
D. Leakage from flush systems, houses, solid separators - action include:
a) Stop recycle pump.
b) Stop irrigation pump.
c) Make sure siphon occurs.
d) Slop all flow in the house, flush systems, or solid separators.
E. Leakage from base or sidewall of lagoon. Often this is seepage as opposed to flowing leaks -
possible action:
a) Dig a small sump or ditch from the embankment to catch all seepage, put in a submersible
pump. and pump back to lagoon.
b) If holes are caused by burrowing animals, trap or remove animals and fill holes and
compact with a clay type soil.
c) Have a professional evaluate the condition of the side walls and the lagoon bottom as
soon as possible.
I ` � '007

Assess the extent of the spill and note any obvious damages.
a. Did the waste reach surface waters?
b. Approximately how much was released and for what duration?
c. Any damage notes, such as employee injury, fish kills, or property damage?
d. Did the spill leave the property?
e. Does the spill have the potential to reach surface waters?
f. Could a future rain event cause the spill to reach surface waters?
g. Are potable water wells in danger (either on or off the property)?
h. How much reached surface waters?
3. Contact appropriate agencies.
a. During normal business hours call your DWQ regional office; Phone #, After hours,
emergency number: [phone]. Your phone call should include: your name,
facility number, telephone number, the details of the incident from item 2 above, the
exact location of the facility, the location or direction of the movement of the spill, weather
and wind conditions. The corrective measures that have been under taken, and the
seriousness of the situation.
b. If the spill leaves property or enters surface waters, call local EMS phone number.
C. Instruct EMS to contact local Health Department.
d. Contact CE's phone number, local SWCD office phone number and the local NRCS
office for advice / technical assistance phone number.
4. If none of the above works call 911 or the Sheriff's Department and explain your problem to
them and ask the person to contact the proper agencies for you.
5. Contact the contractor of your choice to begin repair or problem to minimize offsite damage.
a. Contractors Name: Murphy Brown, LLC
b. Contractors Address: P.O. Box 856, Warsaw, NC 28398
c . Contractors Phone: [phone]
Contact the technical specialist who certified the lagoon (NRCS, Consulting Engineer, etc.)
a. Name: Kraig Westerbeek
b. Phone: (910) 293 - 5330
Implement procedures as advised by DWQ and technical assistance agencies to rectify
the damage, repair the system, and reassess the waste management plan to keep
problems with release of wastes from happening again.
12'5 2007

Insect Control Checklist for Animal Operations
Source Cause BMPs to Control Insects Site Specific Practices
Flush gutters
• Accumulation of solids I I Flush system is designed and operated
LJ sufficiently to remove accumulated solids from
gutters as designed
❑Remove bridging of accumulated solids at
discharee
Lagoons and pits • Crusted solids Maintain lagoons, settling basins and pits where
pest breeding is apparent to minimize the
crusting of solids to a depth of no more than 6 to
8 inches over more than 30 percent of surface
Excessive vegetative • Decaying vegetation Maintain vegetative control along banks of
growth El lagoons and other impoundments to prevent
accumulation of decaying vegetative matter along
water's edge on impoundment's perimeter.
Feeders • Feed spillage ❑ Design, operate, and maintain feed systems (e.g.,
bunkers and troughs) to minimize the
accumulation of decaying wastage
❑Clean up spillage on a routine basis (e.g., 7- to
10-day interval during summer; 15- to 30-day
interval durine winter)
AMIC — November 11, 1996, page 1

Insect Control Checklist for Animal Operations
Source Cause BMPs to Control Insects Site Specific Practices
Feed storage • Accumulations of feed residues �X 1 Reduce moisture accumulation within and
Ll around immediate perimeter of feed storage
areas by ensuring drainage is away from site
and/or providing adequate containment (e.g.,
covered bin for brewer's grain and similar high
moisture grain products)
ElInspect for and remove or break up accumulated
solids in filter strips around feed storage as
needed
Animal holding areas • Accumulations of animal wastes
Eliminate low areas that trap moisture along
and feed wastage
FI
fences and other locations where waste
accumulates and disturbance by animals is
minimal
EMaintain
fence rows and filter strips around
animal holding areas to minimize accumulations
of wastes (i.e., inspect for and remove or break up
accumulated solids as needed)
Dry manure handling • Accumulations of animal wastes
❑
Remove spillage on a routine basis (e.g., 7- to 10-
systems
day interval during summer; 15- to 30-day
interval during winter) where manure is loaded
for land application or disposal
❑Provide
for adequate drainage around manure
stockpiles
❑Inspect
for and remove or break up accumulated
wastes in filter strips around stockpiles and
manure handling areas as needed
For more information contact:
Cooperative Extension Service, Department of Entomology, Box 7613, North Carolina State University, Raleigh, NC 27695-7613.
AMIC — November 11, 1996, page 2

Swine Farm Waste Management — Odor Control Checklist
INSTRUCTIONS FOR USE
Scott Farm
Facility 31-005
Permit NO.: AWG100000
Da . • 10/1/ 019
Owner Signature:
♦ Odor Control Checklist is required by General Statute 143-215.10C(e)(1)
♦ Check any/all the BMPs you will implement on this facility. Items checked/selected become a requirement of the CAWMP
Items in bold or pre -selected are required.
♦ Add any site -specific details related to the selected BMPs
♦ Include any other odor control measures not listed
♦ NOTE: Not all BMPs may be cost-effective for every facility. Evaluate each BMP prior to selecting for your facility.
Cause/Source BMP Option to Minimize Odor Comments Site Specific Practices
FARMSTEAD
♦ Swine Production
❑ Maintain vegetative or wooded buffers at or
• Traps dust and gases, provides dilution
near property boundary
and visual screening
• May require third party input/approval
♦ Improper drainage
® Grade and landscape so water drains away
• Reduce odors and vectors that occur
from facilities and prevent ponding
with stagnant conditions
® Maintain farm access roads and prevent traffic
• Prevents spillage during transport and
in waste application area
tracking of waste onto public roads
❑ Other BMPs — please describe
MORTALITY MANAGEMENT
♦ Carcass
® Dispose of mortality using method approved
• Required by statute and permit
Decomposition
by NCDA&CS State Veterinarian. Manage
• May require third party input/approval
According to CAWMP (Mortality Management
Checklist) and permit(s).
® Put carcasses in refrigerated (or freezer) dead
boxes within 24 hours for short-term mortality
storage.
♦ Incomplete Incineration
❑ Use incinerators with secondary burners for
• Reduce odors by complete incineration
complete combustion.
❑x Other BMPs —please describe See*
* Burial 3' beneath the surface of the ground within 24
hrs. of knowledge of animal death. The burial must be
at least 300' from any flowing stream or public body of
water (G.S. 106-403). The bottom of the burial pit
must be at least 1' above the seasonal high water
table. Attach burial map and plan.
* Rendering at a rendering plant licensed under G.S.
106-168-7.
Swine AMOC Page 1 of 6 APPROVED — 7/25/2019

Swine Farm Waste Management — Odor Control Checklist
Permit No.:
Cause/Source BMP Option to Minimize Odor Comments Site Specific Practices
HOUSE / BARN — WASTE HANDLING
♦ Flush tanks
❑ Install flush tank covers
♦ Odorous Gases
❑ Flush pits at least 4 times per day
♦ Partial microbial
❑ Empty pits at least once every 7 days
decomposition
❑ Underfloor flush with pit ventilation
♦ Agitation of wastes
❑ Install/extend fill lines to near bottom of
tanks with anti -siphon vents
❑ Install covers on outside waste collection or
junction box
❑ Install sump tank covers for lift stations
♦ Ammonia
® Flush/recharge with treated effluent
❑ Treat waste in pits with proven biological or
chemical additive
❑ Other BMPs — please describe
HOUSE / BARN — FLOOR AND INDOOR SURFACES
♦ Manure covered floors ❑ Scrape manure from alleys into pens daily
❑ Install fully slotted floor system
® Install waterers over slotted floor area
❑ Install feeders at high end of solid floors
♦ Odorous Gases ❑ Scrape manure buildup from floors and walls
❑ Keep floors dry
❑ Install underfloor ventilation for drying
❑ Replace bedding/scrape at frequency to
keep bedding dry
❑ Other BMPs — please describe
• Pit -flush systems
• Pit -flush systems
• Pit -recharge or "pull -plug' systems
• Monitor for any solids accumulation in pit
• Will move with other manure via pits
• Where applicable
• Aids in animal cleanliness
• Aids in animal cleanliness
• Solid floor/bedding systems
Swine AMOC Page 2 of 6 APPROVED — 7/25/2019

Swine Farm Waste Management — Odor Control Checklist
Permit No.:
Cause/Source BMP Option to Minimize Odor Comments Site Specific Practices
HOUSE / BARN — VENTILATION
♦ Dust ❑ Clean fans regularly — specify frequency
♦ Volatile/odorous gases ® Efficient air movement
❑ Install temperature and humidity sensors to
control ventilation
❑ Treat barn exhaust
❑ Other BMPs — please describe
HOUSE / BARN — FEED
♦ Dust ❑ Install feed covers
♦ Adsorbed Gases ® Keep outdoor feed storage covered except
When necessary to add/remove feed
❑ Minimize free -fall height of dry feed
❑ Install feed delivery downspout extenders
to the feed covers
® Remove spoiled/unusable feed on regular basis
❑ Feed pellets instead of dry meal
❑ Use feed additives
♦ Ammonia ❑ Use feed -reduced crude protein diet
❑ Other BMPs — please describe
HOUSE / BARN — GENERAL
♦ Dust ❑ Install temperature and humidity sensors
♦ Odorous Gases to control ventilation
❑ Use ultraviolet light to treat indoor air
❑ Use indoor or outdoor electrostatic space
charge system
❑ Other BMPs — please describe
• Examples: biofilters, wet scrubbing, windbreaks
• May reduce ventilation rate depending on method
• Required by rule 15A NCAC 02D .1802
• May require third party input/approval
• May require third party input/approval
• May require third party input/approval
• Maintain relative humidity at 40 to 65%
• Can be used to treat exhaust air
Swine AMOC Page 3 of 6 APPROVED — 7/25/2019

Swine Farm Waste Management — Odor Control Checklist
Permit No.:
Cause/Source BMP Option to Minimize Odor Comments Site Specific Practices
LAGOON / WASTE STORAGE STRUCTURE
♦ Volatile Gases ® Maintain proper lagoon volume
❑ Minimize free -fall height of waste from
discharge pipe to lagoon surface
❑ Extend discharge point of pipe to below lagoon
liquid level
❑ Maintain proper surface area -to -volume ratio
❑ Use correct lagoon start-up procedures
❑ Aerate for odor control
® Manage sludge levels based on annual sludge
survey as required by permit
® Keep spilled feed or foreign debris out of lagoon
to prevent excess sludge accumulation
❑ Install/use solids separation system
❑ Use proven biological or chemical additives
❑ Use permeable lagoon covers (not a digester)
❑ Use impermeable lagoon cover or
anaerobic digester
❑ Other BMPs — please describe
LAND APPLICATION
♦ Odorous gases ® Perform land application in accordance with
CAWMP
♦ Wind drift ® Pump intake near lagoon surface
❑ Pump from second stage lagoon
® Follow good neighbor policy
❑ Operate at minimum recommended pressure
❑ Increase setbacks beyond those required by
statute, rule, or permit
• Sufficient liquid volume/depth is required
for proper anaerobic treatment
• Use caution not to scour or damage lagoon liner
• Monitor for any increase in rate of solids accumulation
• Methane can be flared if not utilized
• Required by rule 15A NCAC 02D .1802
• Avoid application on known weekends,
special days, or holidays/eves if possible
Swine AMOC Page 4 of 6 APPROVED — 7/25/2019

Swine Farm Waste Management — Odor Control Checklist
Permit No.:
Cause/Source BMP Option to Minimize Odor Comments Site Specific Practices
LAND APPLICATION (CONTINUED)
SLUDGE DISPOSAL
♦ Odorous gases
® Apply during favorable wind conditions,
(especially for traveling guns or impact
sprinklers)
❑ When practical, apply waste on sunny days
rather than cool, overcast days
❑ When possible, apply waste mid -morning to
late -afternoon
❑ For traveling guns, use taper -ring or taper -bore
nozzles
❑ For traveling guns, use largest -available nozzle
that provides acceptable application uniformity
❑ Replace impact sprinklers with low -drift nozzles
on center pivots and linear move systems.
❑ Use hose -drag system
❑ Use injection method for waste application
❑ Other BMPs — please describe
❑ Transport sludge in covered vehicles or tankers
❑ Apply in thin, uniform layers
❑ Incorporate land -applied sludge as soon as
practical after application, and in accordance
with permit.
❑ Use injection method for sludge application
❑ Dewater sludge prior to application
❑ Use alternatives to land application, such as
compost, gasification, energy generation, etc.
❑ Other BMPs — please describe
• Recommend checking predicted average hourly
wind speed within 24 hours prior to
anticipated start
• Allows for vertical dissipation of odor
• Allows for better vertical dissipation of odor
• Less odor and drift than ring nozzles
• Speeds drying and prevents ponding
• Required within 48 hours or prior to next rain event,
whichever is first, for conventionally tilled
bare soils
Swine AMOC Page 5 of 6 APPROVED — 7/25/2019

ADDITIONAL INFORMATION
Air Management Practices Assessment Tool (AMPAT)
AHG-538-A Certification Training for Animal Waste Management Systems: Type A
EBAE 103-83 — Lagoon Design and Management for Livestock Manure Treatment and Storage
EBAE 128-88 — Swine Production Facility Manure Management: Pit Recharge -Lagoon Treatment
EBAE 129-88 — Swine Production Facility Manure Management: Underfloor Flush -Lagoon Treatment
EBAE Fact Sheet — Calibration of Manure and Wastewater Application Equipment
EBAE Fact Sheet — Swine Production Farm Potential Odor Sources and Remedies
NC NRCS Standard 359 —Waste Treatment Lagoon
NC NRCS Standard 380 — Wind break/Shelterbelt Establishment
NC NRCS Standard 422 — Hedgerow Planting
NC NRCS Standard 442 — Sprinkler System
Nuisance Concerns in Animal Manure Management: Odors and Flies; PRO107 1995 Conference Proceedings
Options for Managing Odor: A Report from the Swine Odor Task Force
AVAILABLE FROM:
www.extension.iastate.edu/ampat/
NC Division of Water Resources
www.bae.ncsu.edu
www.bae.ncsu.edu
www.bae.ncsu.edu
www.bae.ncsu.edu
www.bae.ncsu.edu
www.nres.udsa.gov
www.nres.udsa.gov
www.nrcs.udsa.gov
www.nrcs.udsa.gov
Florida Cooperative Extension Service
NC State University
Swine AMOC Page 6 of 6 APPROVED — 7/25/2019

Version —November 26, 2018
Mortality Management Methods
Indicate which method(s) will be implemented.
When selecting multiple methods indicate a primary versus secondary option.
Methods other than those listed most be approved by the State Veterinarian.
Primary Secondary Routine Mortality
❑ © Burial three feet beneath the surface of the ground within 24 hours of knowledge of animal
death. The burial must be at least 300 feet from any flowing stream or public body of water
(G.S.106-403). The bottom of the burial pit should be at least one foot above the seasonal
high water table. Attach burial location map and plan.
❑ Landfill at municipal solid waste facility permitted by NC DEQ under GS 15A NCAC
13B .0200.
© 0 Rendering at a rendering plant licensed under G.S. 106-168.7.
0 0 Complete incineration according to 02 NCAC 52C .0102.
a A composting system approved and permitted by the NC Department of Agriculture & Con-
sumer Services Veterinary Division (attach copy of permit). If compost is distributed off -farm,
additional requirements must be met and a permit is required from NC DEQ.
❑ ❑ In the case of dead poultry only, placing in a disposal pit of a size and design approved by the
NC Department of Agriculture & Consumer Services (G.S, 106-549.70).
❑ ❑ Any method which, in the professional opinion of the State Veterinarian, would make possible
the salvage of part of a dead animal's value without endangering human or animal health.
(Written approval by the State Veterinarian must be attached).
Mass Mortality Plan
Mass mortality plans are required for farms covered by an NPDES permit. These plans are
also recommended for all animal operations. This plan outlines farm -specific mortality man-
agement methods to be used for mass mortality. The NCDA&CS Veterinary Division sup-
ports a variety of emergency mortality disposal options; contact the Division for guidance.
• A catastrophic mortality disposal plan is part of the facility's CAWMP and is activated
when numbers of dead animals exceed normal mortality rates as specified by the State
Veterinarian.
• Burial must be done in accordance with NC General Statutes and NCDA&CS Veterinary
Division regulations and guidance.
• Mass burial sites are subject to additional permit conditions (refer to facility's animal
waste management system permit).
• In the event of imminent threat of a disease emergency, the State Veterinarian may enact
additional temporary procedures or measures for disposal according to G.S. 106-399.4.
A4J2/26/19
Signature of Farm Owner/Manager
Signature of Technical Specialist
Date
2/26/19
Date

f2515 SCOTT FARM SITE 1
B (Max depth 60")
FARM SITE 3 ' 2515 2515 / Scott
jScoGt~Dead •C (Max depth 60") �
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WASTE -TO -ENERGY SYSTEM
OPERATION & MAINTENANCE MANUAL
November 11 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

Definitions
1) Anaerobic Digestion -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 (COA.
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

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.
III. 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.
8) 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 Original: 11/1/21
Page 6 of 11

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
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 O&M Manual Original: 11/1/21
Page 9 of 11

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 Original: 11/1/21
Page 11 of 11

Facility # Facility Name/#: Smithfield
WEEKLY LNM INSPECTION
The OIC or their designee will visually inspect each facility weekly- Form will be sent weekly to LNM office.
Revision: 5/21/19
Retention Period: 3 Years
OK -Satisfactory; R-Repaired or Repair Required; O-Work Order Issued; N/A -Not Applicable
Lagoon/Digester
Irrigation System
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