WQ0043762_Engineering Certification_20240110

Initial Review
Reviewer
nathaniel.thornburg
Is this submittal an application? (Excluding additional information.) *
Yes No
If not an application what is the submittal type?* Annual Report
Residual Annual Report
Additional Information
Other Engineering Certification
Permit Number (IR) * W00043762
Applicant/Permittee Richard D. Hinckley and Jamie L. Hinckley
Email Notifications
Does this need review by the hydrogeologist? * Yes No
Regional Office
CO Reviewer
Admin Reviewer

Submittal Form
Project Contact Information
Please provide information on the person to be contacted by NDB Staff regarding electronic submittal, confirmation of receipt, and other correspondence.
Name* Alisha Hudson
Email Address*
[e-mail]
Project Information
.........................
Application/Document Type*
New (Fee Required)
Modification - Major (Fee Required)
Renewal with Major Modification (Fee
Required)
Annual Report
Additional Information
Other
Engineering Certification
Phone Number*
9193676314
Modification - Minor
Renewal
GW-59, NDMR, NDMLR, NDAR-1,
N DAR-2
Residual Annual Report
Change of Ownership
We no longer accept these monitoring reports through this portal. Please click on the link below and it will take you to the correct form.
https:Hedocs.deq.nc.gov/Forms/NonDischarge Monitori ng_Report
Permit Type:*
Wastewater Irrigation
High -Rate Infiltration
Other Wastewater
Reclaimed Water
Closed -Loop Recycle
Residuals
Single -Family Residence Wastewater
Other
Irrigation
Permit Number: *
WQ0043762
Has Current Existing permit number
Applicant/Permittee Address*
9609 Morrisville Parkway, Cary, NC 27519
Facility Name*
9609 Morrisville Pkwy. SFR
Please provide comments/notes on your current submittal below.
I have attached the Final Engineer Certification (and L.S.S. Fill Certification) for 9609 Morrisville Parkway, Cary, NC. The system was installed to
meet the intent of the design.
Please let me know if you need anything else.
Thank you for your time and assistance!
At this time, paper copies are no longer required. If you have any questions about what is required, please contact Nathaniel Thornburg
at [e-mail].
Please attach all information required or requested for this submittal to be reviewed here.
(Application Form, Engineering Plans, Specifications, Calculations, Etc.)
(Stamped) Final Engineer Certification - Hinckley
7.96 M B
WQ0043762 (9609 Morrisville Parkway).pdf
Upload only 1 PDF document (less than 250 MB). Multiple documents must be combined into one PDF file unless file is larger
than upload limit.
* By checking this box, I acknowledge that I understand the application will not be accepted for pre -review until the fee (if required) has
been received by the Non -Discharge Branch. Application fees must be submitted by check or money order and made payable to the
North Carolina Department of Environmental Quality (NCDEQ). I also confirm that the uploaded document is a single PDF with all parts
of the application in correct order (as specified by the application).
Mail payment to:
NCDEQ — Division of Water Resources
Attn: Non -Discharge Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
Signature
�l..aia�Q��daas

Submission Date 1/10/2024

AVVr
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N Salem Street, Suite 203, Apex, NC 27502
agriwaste.com 1 919.859,0669
1 ItIIIIIf;ff{f{
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SEAL
024552`1
January 9, 2024
Mr. Nathaniel D. Thornburg
Division of Water Resources
NC Department of Environmental Quality
512 N. Salisbury Street
Raleigh, NC 27604
Subject: System Installation Final Certification
Hinckley SFR Wastewater Irrigation System
9609 Morrisville Parkway, Cary, NC 27519
Wake County PIN: 0724568144
Permit No. WQ0043762
Dear Mr. Thornburg;
We have completed the installation of the SFR Wastewater Irrigation System for the 5-
bedroom single family residence located at 9609 Morrisville Parkway, Cary, NC 27519.
The system was installed by Creech's Plumbing, Inc. c/o Stacy Creech. Agri -Waste
Technology, Inc. (AWT) inspected the system during construction and upon completion
of the system. Pictures from the inspection are included with this letter. The system was
installed to meet the intent of the design.
The following documentation is included with this letter:
- Engineer's Certification
- L.S.S. Fill Certification
- Inspection Reports
- Installer's Certification
- Construction Photographs
- As -Built Drawing
- O&M Agreement
Thank you for your assistance. If you have any questions or comments, please feel free to
contact me at 919-367-6310 or via email at kdavidsongagriwaste.com
Regards;
Kevin Davidson, P.E.
V.P. of Engineering
1 of 30

Permit No. WQ0043762 Single-Farnily Residence Wastewater Irrigation System
Richard D. Hinckley and Jamie L. Hinckley October 4, 2023
9609 Morrisville Pkwy. SFR Wake County
ENGINEERING CERTIFICATION
❑ Partial 0 Final
1, Kevin D. Davidson P.E. , as a duly licensed North Carolina Professional
Engineer, having ® periodically / ❑ fully observed the construction of the permitted facilities, do hereby
state to the best of my abilities that the facility was constructed in compliance with G.S. 143-215.1,
Administrative Code Title 15A Subchapter 02T, this permit, and the Division -approved plans and
specifications.
Documentation of any variation to this permit and the Division -approved plans and specifications is in the
attached as -built drawings.
Description of variations: Installed to meet intent of design.
Kevin D. Davidson, P.E.
Professional Engineer's Name
Agri -Waste Technology, Inc.
C-0519
Firm Name
Firm No.
501 N. Salem Street, Suite 203
Address
Apex NC
27502
City State
Zip Code
[phone] [e-mail]
Telephone
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024582
fNGINEE
Seal, Signature, and Date
THE PERMITTEE SHALL SUBMIT THE COMPLETED ENGINEERING CERTIFICATION, INCLUDING
ALL SUPPORTING DOCUMENTATION, VIA THE NON -DISCHARGE ONLINE PORTAL.
WQ0043762 Version 1.1 Shell Version 230516 Page 9 of 9

AVVr
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N Salem Street, Suite 203, Apex, NC 27502
agriwaste.com 1 919.859.0669
January 9, 2024
Richard D. Hinckley
Jamie L. Hinckley
9606 Morrisville Parkway
Cary, NC 27519
Subject: Fill Soil Certification
Hinckley SFR Wastewater Irrigation System
9609 Morrisville Parkway, Cary, NC 27519
Wake County PIN: 0724568144
Permit No. WQ0043762
Agri -Waste Technology, Inc. (AWT) has reviewed the fill soil specified in the subject permit for
construction of a single-family residence wastewater irrigation system. In the soil scientist
summary report (AWT report dated August 25, 2022) for the permit application it was specified
that upwards of 10-12 inches of fill soil be necessary to maintain the separation to the Seasonal
High -Water Table (SHWT).
Chris McGee, LSS reviewed the fill placement plan with contractor prior to installation to
address minimum depth to SHWT, slope stabilization, and overall site grade. A sample of the fill
soil was provided by the contractor and approved prior to site placement. Subsequent visits by
AWT staff confirmed the contractor spread adequate fill soil across the drainfield area and
ensured proper stabilization. Some settling is expected; however, the additional soil should allow
for proper separation even after settling has occurred.
All soil borings show that all indicators of seasonal wetness were below 12 inches. The fill
material is a sandy loam textured topsoil mix. The fill material was placed and graded smoothly
over the system where the depth to the clay subsoils and seasonal wetness was the most
restrictive.
The fill soil was designed to allow for adequate infiltration to avoid ponding and runoff of
applied effluent, in addition to the SHWT separation. The surface texture of sandy loam will
allow infiltration at 0.4 to 0.6 inches per hour, which is well above the permitted limit of 0.15
inches per hour. Therefore, no ponding of effluent is expected. The deeper soil permeability was
measured prior to the permitting of this site. The permeability was assessed by measuring
saturated hydraulic conductivity in the least permeable soil layer. No changes to these rates are
expected, and the system is designed around the most restrictive layers with a conservative
design (drainage) factor as shown in the original permit application submittal.
3 of 30

In summary, the fill placement meets the specifications for this project and it is expected to allow
system operation with no ponding or runoff, and will allow for minimal separation of 12 inches
or greater to the seasonal high water table.
This letter has been submitted to the Raleigh Regional Office of DWR on your behalf to satisfy
the permit requirement.
We appreciate the opportunity to assist you. Please contact us with any questions, concerns, or
comments upon review of this information.
Sincerely,
,;.- '� Aq—
Christopher McGee, LSS
4 of 30

AV6Pr
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N Salem Street, Suite 203, Apex, NC 27502
agriwaste.com 1 919.859,0669
SFR Wastewater Irrigation System
Initial Inspection Form
Hinckley Residence
Please consider the following information when installing this SFR Wastewater Irrigation System and preparing the
information required for the final Engineer Certification. An Intermediate and Final Inspection (by the certifying
Professional Engineer or designated representative) will be required during the system installation. The Intermediate
inspection will be during the system installation and the Final inspection will be following the system installation.
Please note that representatives from the Wake County Health Department or North Carolina Department of
Environment and Natural Resources, Division of Environmental Health, On -site Water Protection may also attend or
inspect the system installation. The installation inspections shall be coordinated with Agri -Waste Technology, Inc. at
919-859-0669. The system installer should provide (AWT) at least 48 hours notice when scheduling an inspection.
Initial Inspection
The initial inspection shall be scheduled during system installation. The approximate state of
construction for this inspection is as follows:
• Tanks shall be installed and partially backfilled.
The Top of'Tank shall be left uncovered for inspection.
• Tank risers shall be installed and sealed to tank.
• All piping between tanks shall be installed.
• AdvanTex Treatment Pod installed and plumbed.
• Control Panel location shall be marked.
• UV Filter Housing installed.
• Disc Filter installed (Headworks Unit).
• Cleanouts installed (at building).
The following items shall be verified and approved by the inspector at the initial inspection:
_x_ Septic Tank Size x Tank Risers _x_ Pipe Size/Type
x_ Pump Tank Size x_ Tank Testing** x_ Pipe Routing
x Treatment Pod Size
• Installer to provide documentation of tank testing and results.
• Photographs of construction progress shall be taken by the inspector.
Comments: Shoaf 1,000-gal STB-347, Shoaf 1,500-gal Septic Tank STB-390, Shoaf 4,000-
gal Pump Tank PT-2106, 6" gravel base, level. Pressure Tested onsite (5" Hg for 2 min). Cast in
riser adapters, Orenco risers. AX25-RT Treatment Pod.
Alisha Hudson
Assistant Project Engineer 11/15/2023
[e-mail]
Inspector Name and Signature
Date of Inspection
5 of 30

AV6Pr
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N Salem Street, Suite 203, Apex, NC 27502
agriwaste.com 1 919.859,0669
SFR Wastewater Irrigation System
Final Inspection Form
Hinckley Residence
Final Inspection
The Final inspection shall be scheduled at the completion of the system installation. The following
activities shall be accomplished prior to final inspection;
• Complete system installation.
• Headworks shall be installed and plumbed to components.
• Final grading and stabilization.
• Electrical connections made.
• Water in tank to operate system.
• All meter boxes installed.
• Dripfield installed.
• UV Bulb installed.
The following items shall be verified and approved by the inspector at the final inspection:
_x_ Safety Nets Installed x_ Float Switch Elevations _x_ System Operational
_x_ Tank Lids Installed _x_ Pump Operational _x_ Meter Boxes
_x_ Control Panel Installed/Wired _x_ Pump Flowrate _x_ Dripfield Pressures
x_ Effluent Filter Installed x_ UV Operational x_ Final Site Grading
• Installer to provide pictures taken during construction.
• Photographs of the construction progress shall be taken by the inspector.
Comments: Stacy Creech (Installer), Patrick Vanhook & Peter Rhodes (AQWA, Contracted
Operator) at startup. Return line plumbed backwards, corrected at startup (pictures included).
Startup numbers included in attached document.
Alisha Hudson
Assistant Project Engineer
[e-mail]
Inspector Name and Signature
1 /8/2024
Date of Inspection
6 of 30

Project: Hinckley Residence Startup Date: 1/8/2024
Location: 9609 Morrisville Parkway
Cary, NC 27519
County: Wake
Daily Design Flow:
600 gal/day
Loading Rate (LTAR):
13.33 in/yr
Dripfield Area Required:
0.60 ac
26,353 sqft
Average Dripline Spacing:
3.39 ft
Dripline Required:
7,778 ft
Installed Line Lengths
Lateral Length
Zone Total
(ft)
(ft)
Zone 1
Lateral 1
295
Lateral
295
Lateral
277
Lateral
259
Lateral
296
Lateral
296
Lateral
213
1,931
Zone 2
Lateral
259
Lateral
287
Lateral10
272
Lateral 11
297
Lateral12
297
Lateral 13
197
Lateral14
251
1,860
Zone 3
Lateral15
299
Lateral 16
168
Lateral17
268
Lateral18
301
Lateral19
301
Lateral20
301
Lateral 21
301
1,939
Zone 4
Lateral22
301
Lateral23
539
Lateral24
302
Lateral25
302
Lateral26
302
Lateral27
302
2,048
7,778
7 of 30

Project: Hinckley Residence Startup Date: 1/8/2024
Location: 9609 Morrisville Parkway
Cary, NC 27519
County: Wake
Number of zones 4
Zone 1 1931 linear ft drip tubing, not including loops
966
emitters
expected
0.61
gph
flow per emitter MEASURED
MEASURED PRESSURES
9.82
gpm
expected dosing flow 10.4
PRE
52.0
7
laterals
POST
49.0
4.89
gpm
flow need for flushing
SUPPLY
46.0
14.71
gpm
Total Flow Per Zone 15.5
RETURN
41.0
Calculated Flushing Velocity (fps) 1.01
HEADWORKS
38.0
Zone 2
1860
linear ft
drip tubing, not including loops
930
emitters
expected
0.61
gph
flow per emitter
MEASURED
MEASURED PRESSURES
9.46
gpm
expected dosing flow
10.2
PRE
53.0
7
laterals
POST
49.0
5.29
gpm
flow need for flushing
SUPPLY
44.0
14.74
gpm
Total Flow Per Zone
16.2
RETURN
40.0
Calculated Flushing Velocity (fps)
1.19
HEADWORKS
40.0
Zone 3
1939
linear ft
drip tubing, not including loops
970
emitters
expected
0.61
gph
flow per emitter
MEASURED
MEASURED PRESSURES
9.86
gpm
expected dosing flow
10.3
PRE
53.0
7
laterals
POST
48.0
5.03
gpm
flow need for flushing
SUPPLY
40.0
14.88
gpm
Total Flow Per Zone
15.6
RETURN
35.0
Calculated Flushing Velocity (fps)
1.05
HEADWORKS
36.0
Zone 4
2048
linear ft
drip tubing, not including loops
1024
emitters
expected
0.61
gph
flow per emitter
MEASURED
MEASURED PRESSURES
10.41
gpm
expected dosing flow
10.4
PRE
53.0
6
laterals
POST
49.0
9.61
gpm
flow need for flushing
SUPPLY
39.0
20.02
gpm
Total Flow Per Zone
15.4
RETURN
34.0
Calculated Flushing Velocity (fps)
1.16
HEADWORKS
37.0
'Based on actual installed line lengths
8 of 30

AVVIr
SFR Wastewater Irrigation System
Engineers and Soil Scientists lristaller Certification Form
Agri -Waste Technology, Inc. Hinckley Residence
501 N Salem Street, Suite 203, Apex, NC 27502
agriwaste.com 1 919.859.0669
Installer Certification:
I (h7staller Company and Name) �SMastelwater
� - 4certifythat
the installation of the Hinckley Residence lr igation System
was under my direct supervision. Further, to the best of my abilities, due care and
diligence was used in the construction such that the system was built within
substantial compliance and intent of the approved plans and specifications. Any
deviation (to the extent there were deviations) from the approved plans is noted
below.
Comments:
a�
r
E
Inst@'14 Name and Signature
t C9
Date
1 _ 9 of 30

AV6Pr
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N Salem Street, Suite 203, Apex, NC 27502
agriwaste.com i 919,859.0669
SFR Wastewater Irrigation System
Construction Photographs
Hinckley Residence
Figure 1. Final Overview
10of30

11 of 30

Figure 3. Drainline to Septic Tank from Grinder Basin
Figure 4. Septic Tank for Grinder Basin Model
12 of 30

Figure 5. Grinder Basin Septic Tank Inlet
Figure 6. Grinder Basin Septic Tank Outlet
13 of 30

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Figure 9. Main Septic Tank Inlet
Figure 10. Main Septic Tank Outlet
15 of 30

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Figure 19. Headworks
Figure 20. Replumbing of Headworks at Start Up
20 of 30

Figure 21. Control Panel
Figure 22. Manifold/Feeder Line Installation
21 of 30

Figure 25. Manifold/Feeder Line Installation
POP
Figure 26. Manifold/Feeder Line Installation
23 of 30

AA:

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Figure 29. Drainfield soil cap
Figure 30. Drainfield Installation
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25 of 30

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29 of 30

State of North Carolina
Department of Environmental Quality
DWR Division of Water Resources
SINGLE-FAMILY RESIDENCE WASTEWATER IRRIGATION SYSTEM
Division of Water Resources OPERATION AND MAINTENANCE AGREEMENT
FORM: SFRWWIS-O&M 09-18
Permit No. WQ00 County: Wake N
Permittee: Richard Daniel Hinckley and spouse, Jamie Lynn Hinckley (i.e., all deeded property owners)
The Permittee agrees to operate and maintain the single-family residence wastewater treatment and irrigation system as
follows:
1. Inspect the septic tank annually, and pump out solids as needed.
2. Inspect and clean the septic tank effluent filter annually. (if applicable)
3. Inspect the tablet chlorinator weekly. Add wastewater grade chlorine tablets (e.g., calcium hypochlorite) as needed.
Swimming pool grade chlorine tablets are not acceptable. (if applicable)
4. Inspect the ultraviolet disinfection unit weekly. Clean or replace the lamps and quartz sleeves as needed. (if
applicable)
5. Inspect all storage tanks, pumps, and alarms monthly. Remove the floating scum layer in all pump/storage tanks
when pumping the septic tank solids out.
6. Inspect the spray irrigation system monthly to verify: proper operation of the spray heads; that there are no leaks;
that vegetative growth does not obstruct the spray heads; that the irrigated wastewater is not ponding in or running
off the designated irrigation area; and that there are no objectionable odors. (if applicable)
7. Inspect the drip irrigation system monthly to verify: proper operation of the drip lines; that there are no leaks; that
vegetative growth does not obstruct the drip emitters; that the irrigated wastewater is not ponding in or running off
the designated irrigation area; and that there are no objectionable odors. (if applicable)
8. Maintain a set of Division -approved engineering plans and specifications.
9. Pay the required annual fee.
10. Request renewal of this permit on Division -approved forms no later than 180 days prior to expiration.
11. Sign and provide a Change of Ownership application to any future owner of the single-family residence wastewater
treatment and irrigation system for their completion and submission to the Division of Water Resources.
We understand the above requirements and agree to these terms as part of the issued permit.
Signature: Z Date:
Signature: Date:
Signature:
Signature:
Date:
Date:
8.18.22
8.18.22
All deeded property owners shall sign this Operation and Maintenance Agreement
FORM: SFRWWIS-O&M 09-18 Page 1 of 1