WQ0022810_More Information (Received)_20230105

Project
Project
LarqEiUr� Res�oer�Ee WWTS
Locat'on�
Contact
166 DemocraEy P.ace
AD(?X, NC 27�323
Parcel
80927
County
Kdtown Custom Homes c/o Trav�s
P[I Boy 31912
Rale gh, NC 27622
[phone]
travis@midtowr�c7ustomhomes,com
Lam
C4tttution Cl
0
Oa
`prin8a',waY
�F.
• cle
Ewe.
Re el G
N.T.S.
Project Kevin D, Dav dson, P.E. VICINITY MAP
Consui tart
kdavidson@ag6waste,com
A�isha R, Hudson
ahudson@agriwaste,com
Christopher E, McGee, L,S,Si
cmcgee @agriwaste,com
Sheet Index
Ag6-Waste Techno�ogy,Inc,-2
501 N, Salem Street, Su te 203 WW-3
Apex, NC P7.502 WW-4
(919) B�)13-0669 ww-5
(9113) 2Fax
System llverview� Singe Fami�y ResldenEe
dour (4) Bedroom House+Accessory Barn
Non-Dscharge Sur -Face Drip, 600 EPD
AdvanTex
Pretreatment
with Singe Bubb
UV
Disinfection
WW-6
-
WW-7
WW-8
ww_9
ww-10
ww-11
WW-12
Cover Sleet
Property layout
Treatment System
layout
#%V.fr
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampuri Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, NC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, NC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
Surface Dripfle�d layout
Manl-FoW Detail
Surface Drip Detal� Sheet #1
Surface Drip Detal� Sheet #2
Surface Drip Detal� Sheet #3 SHEET TITLE
Sur -Face Drip Detal� Sheet #4 Surface Drip
Cover Sheet
Surf Q C e Dr�p N Ot e S DRAWN BY: CREATED ON:
A. Hudson 06/10/2022
Excavat�on Saf et y RELEASED BY: RELEASED ON:
S � t e Map SHEET NAME:
ww- 1
64 of 214

f%VVT
----------- Notes:
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
—To p o g ra p h i c a information taken from G S
501 N. Salem Street, Suite 203
data.
Apex, North Carolina 27502
- T ^ n c , A , � /
-AI PIR_E CONTRAC ORS, I N(J.
919-859-0669
919-8i 9-066com
_
i
DB 215'fi, P� 7,9--6 —Boundary and house/barn information taken
w
r------ ---PS 20-o�-.�,---P-G__37_4 _----------- ,,,,,- h from Survey competed by
\
'
Lampuri Residence
Boundary ZoneInc.Land Surveying &
� y Y g
-�
Land Planning Services
IIF T LAKE `\
T �� `44'04 " '\ \\
Information:
�' .'' �' ;' �' S 89 E 732.78' ,--''�' /-''� 8 0 2 4 Gen o o d Ave.Client
W v
Midtown Custom Homes
' Suite 109
c/o Travis Lam
i \ �`� i �' ' \\ \ \ \
I I `, `� EDGE \\ \,zoo, \\ R a e i h N C 2 7 612
Raleigh,
PO Box 31912
Raleigh NC 27622
OF DOCK \ �� SUIQHI
\ ��R
919-410-5542
\ ' ' ' WATER
[e-mail]
_ �
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Pro ert Information:
p Y
166 DemocracyPlace
_
Apex, NC 27523
VV0\
: �'• \ \ + '
``_ �:= s �.1 � \ I � \ + \`
Chatham County
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NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
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SHEET TITLE
/ S�e,RFS11_04
Property Layout
\\ / \\ \ I I I I I / / / / / / , / ,i I ,i \ \ \ , 1 I 1 1 \ \ ,
/'i \. \ 1 'i \, \• \. �\ �`.
DRAWN BY:
CREATED ON:
-_-------------�,-''
A. Hudson
06/10/2022
1 I . , , I
RELEASED BY:
RELEASED ON:
\ , , , I , 1 , , , , , , , ,
0 40 80
Feet
l I I
,, , \
SHEET NAME:
PROPERTY LAYOUT
\VW�2
'Z SOURCE: AWT, Inc.
65 of 214

FLOW DIAGRAM
N.T.S.
Dotes:
SOURCE: AWT, Inc.
Adjust tanks to meet site
STEP, ST and PT to have
no greater than 36'
Position Headworks units
space permits.
20
d
To Power Source
n
constraints.
burial depth rM
over PT if
Yard hydrant shaH be insta
distance to house spigot Is
than 50'.
install c eanout every 75' on
Fie d Supp y pine and Return
have 18' min buria depth.
ed if
greater
drain ine.
Line sha
Line Legend
Line
Name
Size
Type
DL
Drain Line
4.0"
SCH
40
PVC
AFDL
AdvanTex Filter Drain Line
3.0"
SCH
40
PVC
FSL
Field Supply Line
1.5"
SCH
40
PVC
FRL
Field Return Line
1.25"
SCH
40
PVC
STRL
Septic Tank Return Line
1.0"
SCH
40
PVC
ERL
Effluent Return Line
1.0"
SCH
40
PVC
HSL
Headworks Unit Supply Line
1.25"
SCH
40
PVC
HL
Headworks Unit Line
1.0"
SCH
40
PVC
COMPONENT
LEGEND
BV
BcH Va Ive
AX
AdvanTex Pod
SB
Splice Box
HW
Headworks Unit
ST
Septic Tank
CP
Control Panel
RT
Recirculation Tank
P
Pump
PT
Pump Tank
UV
Ultraviolet Unit
EF
Effluent Filter
CO
Cleanout
V Vent
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#%I&*r
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampuri Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, NC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, NC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
SHEET TITLE
Treatment
System layout
DRAWN BY: CREATED ON:
A. Hudson 06/10/2022
RELEASED BY: RELEASED ON:
SHEET NAME:
y TREATMENT DETAILS
WW_g SOURCE: AWT, Inc.
66 of 214

Supply & Return Line Notes -
Supply and return manifo d is
for c arity; not to sca e.
eng arged
Ceneral Drainfielcl Layout,
Supply Lines and Manifo ds
—Manifo d and Air re ief va ve at
highest elevation of each zone.
Return Lines and Manifo ds
—Manifo d and Air re ief va ve at
highest elevation of each
zone.
—Check va ve and baH va ve at top
each zone after manifo d.
BaH Va ves ocated at top of each
atera .
Drip Line to have 3' spacing
General Notes:
1. 30 days prior to the installation, a grid of 10-30 borings shall be
taken across the proposed drainfield to determine areas where fill
is necessary to maintain 12" separation from the SHWT.
2. Clear all trees less than 8" in diameter (measured at a height 3'
from soil surface) from the drainfield.
3. Vegetation that will re -grow from a cut stump shall be stumped
or pulled from the ground. Stumps shall not be pushed over.
Remaining stumps may be ground in place with "forestry cutter" or
equivalent.
4. Drainfield area shall be raked of all leaves, pine straw, debris, etc.
The accumulated material shall be removed from the drainfield.
5. Mulching and seeding shall be done prior to laying out drip tubing.
Seed and straw drainfield as per project specifications.
6. All supply and return piping shall be installed with a minimum of
18" cover.
7. Blanking shall be installed as necessary. A minimum of 8,004' of
emitter tubing is required. To account for potential blanking, the
dripfield layout considers 8,162'.
8. The manifold trenches shall be backfilled by hand in order to
protect tubing connections.
9. Drip line to have 3' spacing.
Fill Specifications:
Fill material will be placed and graded to provide a slop that matches
the natural grade. Based on the lack of surface soil at the site,
approximately 14 inches of fill material will be required across the
drainfield site.
Fill material shall meet the following guidelines:
1, Coarse fragments as defined by USDA (2 mm to 3,0 inches) shall
not exceed 107. by volume of the fill material.
2. Fill material shall not contain more than 5% organic matter
(including leaf debris, twigs, sticks, etc.)
3. Fill material shall not include any construction debris such as
bricks, concrete, construction wood materials, or any components
or fragments of such.
4. Fill material shall classify under one of the following USDA soil
texture classes: loamy sand, sandy loam, sandy clay loam, loam.
Particle size analysis may be confirmed by a third party testing
laboratory if necessary.
5. Lime shall be added to fill material at 0.5 tons/acre (380 Ibs)
during construction. Fill shall NOT be tilled into the native soil. A
10-10-10 or equivalent fertilizer shall be added to the fill at 180
Ibs/acres (68 Ibs).
6. Fill material shall be applied at a depth of up to 6 inches where
needed across the south western portion of the drip irrigation field.
Sufficient fill shall be applied to achieve the 12" separation to the
seasonal high water table.
7. Gently rake or scarify the top 2-4 inches of existing soil surface
with fill to allow for gradual boundary. See project specifications
for further instructions.
O DRIPFIELD DETAILS
SOURCE: AWT, Inc.
of
8 9 0 4- 4 'D 4 E 732.78
/ I \ — — _ _ 0 15 3
Feet
\S�I I \ \ \ L \ +E
50'�hPOPERTY LIN----- �� `\ `\ X \\ X X�X
— I — — — — — x— x —�V — —� x x — x x x- x \ x —�
—` x �x ��x X x x / x x x x x x �.\ x x\ x x ��x \ �\ \ -� �y��X �x
- — - - \ \ \ N,
(Zsb <12"
. (2)kSat S.
SOILS LINE \
ksat 2
\ , -'' •' '• •: •: '. •• : I : � I : � : � :• �• �• �• � :• :• ' it /
. Tsb <12M
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d
AFnL
,'
�A�
co
a I: n� .� I I I I I
FRL
Install Fence
—Around
Dripfield
AlAf r
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampuri Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, INC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, INC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
SHEET TITLE
Surface
Dripfield
layout
DRAWN BY:
CREATED ON:
A. Hudson
06/10/2022
REVISED BY: I REVISED ON:
RELEASED BY:
RELEASED ON:
SHEET NAME:
WW-4
67 of 214

AVVT
'
Tl
2Jso 0 8 16
�r Feet
0 1 2
Feet F_
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
\\
919-859-0669
www.agriwaste.com
Lampurl Residence
B
WWTS
/ \\
\
ARV
Client Information:
Midown ustom Homes
\\
T1A`
o Travis Lam
PO Box 31912
Raleigh, NC 27622
A F—
919-410-5542
[e-mail]
777
2
Property Information:
p
166 Democracy Place
`
Apex, NC 27523
\
Chatham County
I—
PROFESSIONAL ENGINEER SEAL
•'
A
• • • • • • • • • • • • , • • • , • • • • • , • •
IA
•' •'
G-` A F
MAN
F_FINAL
DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
• ZONE Y \
' SUPPL
• MANIFOLD
•
V 1 AF
\ kM NFOLD
/V
Z❑NE 4
LY
F
�7
SHEET TITLE
Vanifdd Deta'��
- SCH 40 PVC Supply Line �
SCH 40 PVC Return Line
e e d e r Line
DRAWN BY:
CREATED ON:
A. Hudson
06/10/2022
•
Non —Flagged Line, Emitter
RELEASED BY:
RELEASED ON:
?\
AA
SHEET NAME:
ww�5
MANIFOLD DETAIL
WW_5 SOURCE: AWT, Inc.
68 of 214

wwNOTE-USE 24"
CAST -IN -PLACE
ORENCO RISER
ADAPTER
ice
02^
3^
5
4' INLET &
OUTLET BOOTS
xxTOP VIEW MEASUREMENTS
ARE TO WIDEST DIMENSIONS
SCALE - N.T.S.
Cast In Ptace Orenco Riser Adapters
STATE
4'
3" ■•NOTE-1' BUTYL
RUBBER MASTIC APPROVAL #
°8
SEALANT CONtINUOUS SHOAF-1000
IN JOINTSTB-347
SIDE
8.
INLET
8' 32,
OUTLET 2.
Ir
1' AIRSPACE 2 '
/ --NOTE-TEE NOT
SUPPLIED Q
E
VENT
2' VENT
SLOT
3'
67 /2' 60
000
5 'TU BOTTUM
of 4 INLET
FLOW
THROUGH
5 'T❑ BUTTOM �'04'
OE 4' ❑UTLET FLOW
"s
THROUGH
SIDE VIEW
END VIE
4' 8'
8'
8'
4
04'
1. Septic tank to
be approved by NCDHHS.
2, Leakage testing of tank is required.
Allowable leakage must not exceed 1 � of tank
capacity per 24
hour period.
3. Documentation
of tank testing shall
be provided to certifying Engineer.
4. Tank risers to
extend minimum of
6" above finished grade.
5. Final grading
shall slope soil away
from tank openings. N.T.S.
3'
6"
ore"�o za•
Oreneo za•
5
'
Riser Bnse W
Riser Bose W
Lid
L'd
4'
4'
TOP VIEW
STEP TANK AT BARN DETAIL (or equivalent
NTS SOURCE: Shoaf Precast Septic, Inc.
nstall Safety Net in Each Access
Riser that does not contain an
Inner Lid
Install Safety Net Below 2nd Riser Rib
Riser
Rubber Washer, Wall
Flat Washer, &
Cap Nut or Lock Safety
Nut � Net
®I �
Riser _ Threaded Eye
Wall _
Hydraulic Cement-
MA320 (or
equivalent)
Cast -in -place �
RISer Adapter
Top of Concrete Tank
Safety Netting
NOTE: Install 4 Ring Clamps if
8" (or larger) Filter is Used
RISER AND SAFETY NET
WW"g NTS SOURCE: AWT, Inc.
SHOAF PRECAST SEPTIC INC.
MODEL: TS 1000 STB
NON TRAFFIC
1000 Gallon Septic Tank
4130 WEST us HWY 64
LEXINGTON, NC 27295
PHONE [phone]
FAX [phone]
WWW,SHOAFPRECAST,COM
SHOAF-1,000 SEPTIC TANK
STB-347 NON TRAFFIC
LIQUID CAPACITY-1,000 GALLONS/AIRSPACE-10'
TANK HEIGHT
BOTTOM ❑F TANK TO CENTER OF INLET-59'
BOTTOM OF TANK TO CENTER OF OUTLET-57"
LENGTH TO WIDTH RATIO-2 TO 1
SIZE OF INLET & OUTLET-4' PIPE
TYPE OF INLET & OUTLET-POLYLOCK OR EQUAL (MEETS ASTM C-923)
CONCRETE PSI-4000; TANK WEIGHT- 10,500 LBS.
REINFORCEMENT PER STATE CODE
Eye Bolt
RISER INSTALLATION INSTRUCTIONS:
1. Prep Adapter Channel & Riser
1.1. Roughen the bonding surfaces of
the adapter and riser with
sandpaper.
1.2. Use a clean cloth and acetone or
alcohol to clean the bonding
surfaces of the adapter and riser.
The bonding surfaces must be
clean and dry for a good fit and
watertight joint. Let the acetone
or alcohol dry completely.
2. Apply Adhesive
2.1. Apply a bead of methacrylate
adhesive to the outside of the
adapter. One 7-oz packet of
MA320 adhesive is typical for one
24" riser.
3. Install Riser
3.1. If the riser has penetrations, align
the riser correctly.
3.2. Firmly press the riser onto the
adapter until the bottom of the
riser is resting on the concrete
(cast -in -adapters) or the adapter
flange (bolted -down adapters).
Twist the riser back and forth
slightly to fully seat it an to
create a good bond.
3.3. Apply a bead of methacrylate
adhesive to the inside of the
access riser -adapter joint.
3.4. Use a tongue depressor, putty
knife, or clean cloth to make a
continuous fillet on the inside of
the access riser -adapter joint.
3.5. Apply hydraulic cement to bond
outer riser wall and top of tank.
4. Ensure safety net and inner lid are in
place and secured.
FOR RISER WALL PENETRATI❑NS
Grommet Size, Inches
(Nor,inat IPS Pipe Size)
Hole Saw Size,
Inches
1/2
1
3/4
1 1/4
1
1 9/16
1 1/4
1 3/4
1 1/2
2 1/8
2
2 3/4
3
3 7/8
4
5
N.T.S. I
**NOTE -USE 24'
CAST -IN -PLACE
ORENCO RISER
ADAPTER
0rn,�o 24' 0re„�o za•
Riser Bose W/ Riser Bose W/
Lid Lld
4' INLET &
OUTLET BOOTS
TOP VIEW
xxTOP VIEW MEASUREMENTS
ARE TO WIDEST DIMENSIONS
Cast in Place Orenco Riser Adapters
4 B _ET
--NOTE-TEE NOT
SUPPLIED
SHOAF PRECAST SEPTIC INC.
MODEL: TS 1500 STB
NON TRAFFIC
1500 Gallon Septic Tank
4130 WEST US HWY 64
LEXINGTON, NC 27295
PHONE [phone]
FAX [phone]
WWW.SHOAFPRECAST.COM
SHOAF-1,500 SEPTIC TANK
STB-390 NON TRAFFIC
LIQUID CAPACITY-1,517 GALLONS/AIRSPACE-10'
TANK HEIGHT-70'
BOTTOM OF TANK TO CENTER OF INLET-61'
BOTTOM OF TANK TO CENTER OF OUTLET-59'
LENGTH TO WIDTH RATIO-2 TO 1
SIZE OF INLET & OUTLET-4' PIPE
TYPE OF INLET & OUTLET-POLYLOCK OR EQUAL (MEETS ASTM C-923)
CONCRETE PSI-4000; TANK WEIGHT- 13,000 LBS.
REINFORCEMENT PER STATE CODE
TOM OF
ITLET
T
SLALL - N. I.S.
-NOTE V BUTYL RUBBER
MASTIC SEALANT
CONTINUOUS IN JOINT
7'
6'
°'
z VENTO
'SLOT
3'
�O O O O
4' FLOW
THROUGH
END VIEW
6'
STATE
APPROVAL #
/SHOAF-1500
STB-390
1. Septic tank to be approved by NCDHHS.
2. Leakage testing of tank is required. Allowable leakage must not exceed 1 % of tank
capacity per 24 hour period.
3. Documentation of tank testing shall be provided to certifying Engineer.
4. Tank risers to extend minimum of 6" above finished grade.
5. Final grading shall slope soil away from tank openings. N.T.S.
SEPTIC TANK AT HOUSE DETAIL (or equivalent
NTS SOURCE: Shoaf Precast Septic, Inc.
0.21
AX25 800 gal. Recirc. Tank - Side View
Timer Settings
# of Cycles/day
96
cycles/day
Cycle Volume
26.0
gallons
Cycle Run Time
0.87
minutes
Cycle Off Time
14.13
minutes
e Start-up And Service To Be Performed By I
An AdvanTex Trained Service Provider
Vent
Final Discharge
Recirc Pump
Vault VeriCOMM'
Control Panel
Control Panel Detail
Not To Scale
Splice Box
Discharge
LiguidLevel
Invert
(3S' from Bottom
ofTank)
if
Discharge Detail
Not To Scale
Discharge
(see detaJO
"Exterior Invert
is Actual Invert
;utlet, see detail)
Pump System
Discharge Chamber - End View
AX25-RT UV ADVANTEX TREATMENT SYSTEM (For Illustration Onl
NTS SOURCE: Orenco Systems, Inc.
N.T.S. I
150'
144'
Orenco 24'
Riser Base
W/ Lid
78' 72'
24'
3'
Orenco 24'
Riser Base
W/ Lid
24'
96' - 45'
104'
M➢DEL: MS 4000 PT
NON TRAFFIC MID SEAM PUMP TANK
SHOAF PRECAST SEPTIC INC.
4130 WEST US HWY 64
LEXINGT❑N, NC 27295
PHONE [phone]
FAX [phone]
[e-mail]
WWW,shoo f precast,com
NC APPROVAL # : PT-2106
LIQUID CAPACITY- 4,219 GALLONS
- GALLONS PER INCH - 43.95
PIPE PENETRATI❑NS - (MEETS ASTM C-923)
CONCRETE - 5000 PSI MIN
TANK WEIGHT - 20,800
TOP
- 10,400 #
- BOTTOM - 10,400 #
REINF❑RCEMENT PER ENGINEER SPECS
BUYTL SEALANT C❑NTINU❑US
104' 96'
LOW THROUGH
O O O O
. 4
72'
78'
1.
Pump tank to
be
approved by NCDHHS or Engineer.
2.
Leakage testing of
tank is required. Allowable leakage must not exceed 1 % of tank
capacity
per 24
hour
period.
3.
Documentation
of
tank testing shall be provided to certifying Engineer.
4.
Tank risers to
extend minimum of 6" above finished grade.
5.
Final grading
shall
slope soil away from tank openings.
N.T.S
PUMP TANK DETAIL (or equivalent
NTS SOURCE: Orenco Systems, Inc.
1-1
- -
'
Back fill
with natural II
material to 24 (typ)
surface QI ^ Ipl i l I
UI CIF LEI I OF 0I OI UI
I IV
Back fill
with #78
to midseam II
Fiberglass
Reinforced
Beam
-
li-
T I I I-
I -
I
r
24" (typ)
0 0
Turn
Buckle
I
3 "-6"7
12 min.
N.T.S.
AX-RT ADVANTEX ANTI -BUOYANCY BEAMS
WW"g NTS SOURCE: Orenco Systems, Inc.
Avvr
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampuri Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, NC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, NC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
SHEET TITLE
Surface Drip
Detail Sheet
DRAWN BY: CREATED ON:
A. Hudson 06/10/2022
RELEASED BY: RELEASED ON:
SHEET NAME:
WW�6
69 of 214

1.25" Fr
Dis
To
TOP LA YER
HEADWORKS BOX #1
BOTTOM LAYER
Note:
-Supply and Return line penetrations to be at least 18' below top of box
HEADWORKS BOX #1 - TOP VIEW
NITS SOURCE: AWT, Inc.
3.5 "x 6.5' CCA
Treated Post
1oP4„
Znd• 16„
3rd: 2a
4Vn 40„
Ground surface
FENCE DETAIL (or equivalent
SOURCE: AWT, Inc.
CHECK VALVE
BALL
VALVE
Drip
and
to 1
an
of ,
(Mcx)
eater
5 G(
mini.
ce �
CCA
)ost
HORIZONTAL LINE/END DETAIL
A III RELEASE VALVE
AIR RELEASE VALVE Perc—Rite
ling
N.T.S.
:h
for
e/toenail
HEADWORKS BOX #2
Hea
Drainfield
i To Drainfield
i To Drainfield 1
To Drainfield
Note
-Supply line penetrations to be at least 18° below top of box
-Check valves can be located inside or outside of headworks box N.T.S.
2 HEADWORKS BOX #2 - TOP VIEW
NTS SOURCE: AWT, Inc.
INU I t: tour strands are recommenaeo for the
perimeter fence. At a minimum, 2 strands must be
installed. Fence wire shall not be stapled to trees
DRIP TUBING
0.61 GPH © 24"
(nominal)
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - J)
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - J)
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — J�
I
'PLY --3 O.C.
TYPICAL
COMMON RETURN
TYPICAL DRAINFIELD CONFIGURATION (for illustration onl
NITS SOURCE: AWT, Inc.
Emitter Wetted
Area = 6sgft.
N.T.S.
3.5"x6.5' CCA
fTreated Post
HORIZONTAL CORNER BRACE DETAIL
Corner angle 90° or less N.T.S.
DRIPLINE
3 FEET MINIMUM
DRIPLINE
*NO BLANK DRIPLINE REQUIRED ON 3' SPACING
N.T.S.
yy DRIP LINE LOOP DETAIL
NITS SOURCE: AWT, Inc.
VALVE B❑X
yyoyy
UUI"1
�del" VQ�Ve
T8"
Ce\
Su[
Re -
CSymbc� on
D e t a s�
AIR RELEASE VALVE DETAIL
NTS SOURCE: AWT, Inc.
N.T.S.
Air
Air
Release
Release
Val ve
Va I ve
PVC
Reducing
Tee
&Reding
Check
Valve
" Lateral Supply Line"
Lateral
Supply LinesReturn
Lines
Supply
Return Ball
1.0" Return Line
Manifold
Manifold Valve
—Components to be
placed
within valve
box
N.T.S.
SUPPLY AND RETURN MANIFOLD DETAIL
NTS SOURCE: AWT, Inc.
ADA
FLEXIBLE _
PIPE
PVC ELBOW
yyy �4�Y
_Y FEEDER LINE
;H PVC PIPE
TURN FEEDER LINE
1/2 INCH PVC PIPE
TRENCH
BOTTOM
FLEXIBLE PIPE
BACKFILL
12
JbIl 1\ \ SEPARATION
SUPPLY AND RETURN FEEDER LINE CONNECTION DETAIL
Ww NTS SOURCE: AWT, Inc.
ADAPTER
DRIPLINE
USE TRENCH SIDES TO
SUPPORT FLEXIBLE PIPE
PVC ELBOWS ON SUPPLY
& RETURN FEEDER LINES
(ROTATED AT -45°)
N.T.S.
AVVT
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampurl Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, INC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, NC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
SHEET TITLE
Surface Drip
Detail Sheet #2
DRAWN BY: CREATED ON:
A. Hudson 06/10/2022
RELEASED BY: I RELEASED ON:
SHEET NAME:
WW�7
70 of 214

*NOTES
-Install Sampling Spigot With Pump Tank Discharge Line.
-Install Headworks Riser(s) over top of pump tank if space permits (see WW-3).
-All risers to extend 6" above finished grade.
-System piping and conduit to maintain 18" cover (except where noted).
6" above (
surfac
K.
Control Panel With
Audible and Visual
Alarm 24" above
d",.a" c­.....+ o­+ around (min.)
Undisturbed Earth
Control Panel with
Audible and Visual
Alarm 24" above
o­+ nround (min_)
)rain
:Id
"FOR �LLUSTRAPON ONLY Undisturbed Earth N.T.S.
SYSTEM PROFILE VIEW (for illustration onl,
NTS SOURCE: AWT, Inc.
STEP Tank (at Barn)
Erainline Invert EL at barn (assumed�
275.00 ft
Pipe Length to Septic Tank
12-00 ft
Slope of Pipe to Septic Tank
15,63%
Ground Surface at Sep t!c Tank
275.00 it
Corer over Septic Tank
12-CO in
1.100 ft
E I evatlon at top of Septic Tank (Exterior)
274.OD ft
DiLstance to Inlet invert from top
U8 ft
Elevation at Inlet inved
273-13 f#
Distance to Outlet invert from Top
1.04 ft
Elevation at Outlet Invert
272.96 ft
External Height of Septic Tank
5.63 ft
Exterrn all Bottom of Tank Elevation
268.38 ft
Gravel Bed Thickness
9.00 in
Bottom of Excavailon Ele vat
2 67.8 5 ft
Septic Tank (at Main House)
Dralinline I avert EL at rouse (ti med)
283.50
ft
Pipe Length to Septic. Tank
20-00
ft
Slope of Pipe to Septic Tank
9.58%
Ground Surface at Septic Tank
283.
ft
Cover over Septic Tar*
12.
in
1-00
ft
Elevation at top of Septic Tank (Exterior)
282 J5o
ft
Distance to Inlet Invert from top
0.92
ft
ELevaltilon at Inlet invert
281.58
ft
Distance to Outlet invert from Tapp
1.08
ft
Elevation at Outlet Invert
281.42
ft
External Height of Septic Tank
5.83
ft
External Bottom of Tank Elevation
276.67
ft
Grove[ Bed Thickness
6.00
in
Bottom of Excavation Elevation
276.17
ft
Riser Heights (a ppirox)
STEP Tank
Septic Tank
Pump Tank.
AdvanTc RT Pod Moat Settings
Low Water edu ndant Off
Pump Override
High Water Alarm
ivanTe'x FAT Pod
Pipe Len.from ST cutlet
Pipe SIB from ST to Pod
Ground Surf -ace at Pod
Exposed height of Read
Elevation at top of Poi
Extension Collar Height
Distance to Inlet invert from top
Eleva ilon at Inlet invert
Distance to Outlet Invert from top
Elevation at Outlet Invert
(Height of Pod
(Wth Extension)
Exterior Elevation at Plod Bottom
Pod Bottom Thickness
interior Elevation of Pod Floor
Grapnel BM Thickness
Bottom of Excavation Elew.ation
1.50 ft
8.00 in
1,50 ft
0.00 in
0.00 ft
41.69 in
Elev. (ft)
2T7.27
2T7T
277..7
Height from
Tank Floor (in)
28
41
42.6
5.00 ft
6.32%
283.00 ft
3.00 in
8.25 ft
2.25 ft
0 in
0} 000 ft
2.1.5 ft
281.10 ft
3.27 ft
27`91.98 ft
7. 00 in
6.00 ft
277.25 ft
8,21 in
277.27 ft
6 in
275.75 ft
Pump Tank Float Settings
Low Water/Redundant Off
Timer Erzble
Freak Enable/High Water Alarm
Pump Tank.
Pipe Slope to Pump Tank
Pipe Length
Elevation at Inlet Invert
Distant to Inlet Invert From E terkw Top
(Located irk linlet Riser)
Elevation at top of Pump Tank
Grou nd S urfaee at Pum p Tank
Cover over Pump Tank
External Tank Height
Exterior (Bottom of Tank i,EL
Tank Bottom Thickness
Elevation at Tank Floor
Elevation at pump ( off floor)
Gravel Bad Thiurres
Bottom of E ca. abonl €Ievation
Height from
E lev. ( ft ) Tank. Floor (in)
27'1.19 27
27'1.19 33
271.19 72
1. D10%
20.00 ft
278.78 f1
8.80 in
8,25 't
.279-53 ft
28Z50 ft
35.69 in
.87 ft
8-67 ft
270.:86 ft
4 in
71.19 ft
27'1.69 ft
8 in
270,36 ft
f%VVT
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampuri Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, NC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, NC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
SHEET TITLE
Surface Drip
Detail Sheet #3
DRAWN BY: CREATED ON:
A. Hudson 06/10/2022
REVISED BY: I REVISED ON:
RELEASED BY:
SHEET NAME:
RELEASED ON:
SYSTEM ELEVATIONS
'8 SOURCE: AWT, Inc.
WW-8
71 of 214

Urracc IDn pfield LayaL l
1 Lfir, A 1,4
C>'1 Is'1 & dq 11
Run
--dLuiul
.mow
Linen
LEI
L m ng1 h
L w ri W I I
L Irrg: 11
Zaqw
Ohl
Ohl
M
Ltn�■ 1
FI � na �' � i4:Ca �■' �
1
1
7 �
Erbil 2
Fti oil m y D, 4. .i L E - Y
U14 i
Fir° ii i i y Ch j.46id Lim - Ili
2E
UHQ 2
F-111 i°y Dl is Ik7 LE-4
31
UHQ 3
llll%- 1-11 afy Dh iP1:4] LA - a
35
Fi 1 i i 11i y D - ilpf"d Lim
ICI
L15
Fi 111 �i• CI : 4: La ' Y
L1�
Fi �11—e� La•tIi
4D
264
Lim?
Fi 111 Ln-Y
3
53
Li"i
R 111 DI4:° fmjd La - Y
55
LIM6
Fi 1iiw' Dr'ijpl d Lm-Y
6
LIM 10
R Billy Di4:, La'Y
67
240
Lim 1 I
Fr brim V D i i&:AM La' a
S
69
Li% 12
Fr 1-fill willy D i i.:hi La .-a
73
" 13
Fr 111 A N' D l ipliki Lj %g
76
Lim 14
R 1 i l ey Ell j: Lill
a]
300
"IS S
R 1-I'l a"y Doi j:&w Liu
7
75
Lill 16
R 111 A y D I j:hm Lima
75
L HQ 17
FIlii-m i Q % D-i 4-&dd LAw
75
"is s
Fr i III 1:1`y DilliE:-F4:1 Lka
75
300
J : i
Lk.1I
Pre-,m-p DerIPrwW Lim
75
Lbb 2o
F11 i L iq Do i :hh Lj--4
75
U% 21
Fi 1 rl wy D� 4: iik] La-4
75
U% 22
R 111 lill D' ilphAd LA-9
75
300
LIM 23
Pr 171 I Ch 4:.f2jd LA • id
S
75
UM24
Fi 1 n a y D' ii&:h*J Li - m
75
Liil
R iiiiA'y D,ij;4 i J L o-11
75
L 29
ft1iiimy Diiplij ] LA -id
75
300
LJr14 27
R, ii 11 ray D i i1piM L m_ Y
S
75
L M4 28
R, ii r1 M jp Lit
75
Lil029
Fr1ril Di~ LJ'Y
75
Lei ill X
Pt ii ei jwy D i i.:Tid La' 11
75
300
La'1�131
Fr i fi ar%- li k La' m
7
75
L" 32
Fi 111 n1 Y D i, L.■ - Y
75
La'1•il 33
Fi 1 ii.1 Y D• il:` ii d L m- li
75
Lill 34
Fi 1ii my Dii�IM Ln.-4
75
300
JIM
L1 rl- 35
Pr ir.-. l'r Lr i p ,1_j t1li
1
5
IJ'ui :
PI 1 n:a' G 4� L■ •
75
Lti it 37
Fr771 ary N iAk L M' Y
75
LJ 1 1K
Pr I I I ify M, 4:fii' LA M
75
3100
Lm b: �1
R 111 a4' Diij;A40 Lo-Y
S
75
UH9 40
R 111 ii11 y D i' 4kM "
75
L.i'14141
Fi 111.1 y D-ij;Ziiid Laid
75
LrHQ 47
Fi 1 i i m y D • i;JAM Lim
75
300
"43
Fi 111 iq Ds W6W UM
5
75
" 44
R 1 III4''r D-jp iM Lji
7.5
UrF44S
R iiiiii D 1 URA
75
UH9 46
R 1 n ary Dt~ L ill%
75
3M
L"47
R 111�iY D-i;-Figd Li
T
KI
L HQ 4$
Fi 1 III i l i Y D' it-imall Liu
90
He
Lirm +i 5
Pr nffm1% Io lil W Lola
1
L"SO
R111aVDi 4A64d L1.4
K!
IN
UW SiR
111 Lil-li
3
KI
L." 5
Fr 111.1 y D-ii1phAd La -4
go
IN
LkHQ S3
Fi 111 Ay 1h4: 1i L o- Y
S
go
" 54
Fi 1 n:a y Di 4:4iik7 Len' a
9D
IN
U145S
Fi 1 i i A y Di 4:1ibk] La' 111114
7
9 1
L kH9 5E•
Pr 11101 y D i i:lija L n- Y
K
ISO
720
ZONE SUMMARY
WW-9 N.T.S. SOURCE: AWT, Inc.
9I4% B LS&A h
S kin I
TMA
RkAh L khm ii ZtMA
twVh La
nom
La ngl h
m L= j%h
LL�rlr !
I�'4"�
1
13
18
24
30
ill5
aL
ad
in
4
;_
32
=5
�y
a
75
77
3
2 aS
75
75
4
75
76
75
7 5
3
75
75
75
75
75
75
75
75
300
12W
i�
2 75
75
75
75
XK
4
75
75
7 &
30■=
75
75
75
75
3 ■=
# ft
9b
LW-
4
.1 a
51.1
L
so
kE;'-
720
M53
Ill 51
me
a, &2 71
Total - t11132
Pump Tank
Outlet Riser
Safety Net
40
-- -__
Ground Surface
Pressure —Rated
--
--'--'—��—'--'--'—
Flexible Pipe
Camlock Fitting
90' EIboW
w/ Coupling
90' Elbow
Reducing
Ball Valve
Tee
To
HeadWorks
Unit
Grommet
1Spigot
90' Elbow
1,25" Pump
Discharge
Line
Note: All
components
to be
1.25"
SCH40
PVC except where
noted.
N.T.S.
2 DISCHARGE ASSEMBLY
WW_g N.T.S. SOURCE: AWT, Inc.
RAIN SENSOR -
AUDIBLE AND
VISUAL ALARM
SINGLE
CONDUIT
(no splices)
CONDUIT
SUPPORT
RISER OR —�"
CORRUGATED
PIPE
COVER CONDUIT
MINIMUM 18"
TO PUMP TANK
TO POWER SOURCE
INSTALL
MULTIPLE
CONDUITS AS
NEEDED
4X6 TREATED POST
MOUNT PANEL DIRECTLY
CONTROL TO POSTS OR TO ALUMINUM
PANEL PLATE (GRIND OFF
�o PROTRUDING SCREWS)
2X4 TREATED - SECURE
WITH 4 - 3" DECK SCREWS
PER POST
2' (min.)
4 CONTROL PANEL DETAIL
WW—g N.T.S. SOURCE: AWT, Inc.
GRAVEL
TO HEADWORKS
ALL CONDUIT
TO BE 3/4 " (min)
3' BURIAL DEPTH
MINIMUM
N.T.S.
24" Dia. PVC Riser/Lid
Safety Net
Single Conduit Run w/
Looped Wire
5
Tap Riser for Conduit
Fitting
-8 From RSV
Orenco UV
Disinfection Unit
Side View
of UV Unit in Pump
Tank Inlet Riser
N.T.S.
3 UV DISINFECTION DETAIL
WW-9 N.T.S. SOURCE: AWT, Inc.
min 3'
ppupport
Concrete Support II
I S
Pad 18"x18"x4"
Strap
II
I
0
0
0
o
I
,.
I
go
10
o�
24„
MIN. COVER
0
Geotextile I
I Gravel
,o
Fabric °o
o' II
O.0
I rain Hol
oo I
o�
Supoly Line
I I
I Galvanized
4"x4" Treated Pos I
Elbow
48" burial (min) II
II
I
I
I
I
N.T.S.
FRESHWATER SPIGOT DETAIL
WW-9 N.T.S. SOURCE: AWT, Inc.
A%VT
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampuri Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, NC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, NC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
SHEET TITLE
Surface Drip
Detail Sheet #4
DRAWN BY: CREATED ON:
A. Hudson 06/10/2022
RELEASED BY: RELEASED ON:
SHEET NAME:
ww�9
72 of 214

INSTALLATION NOTES
1. Boundary and Topographical information taken from Plat Map and GIS Mapping. If actual site
conditions vary from those shown on plans, contact Engineer before moving forward.
2. Drip field to be 100' from any off -site residence, 100' from any well, 15' from on -site
residence or building foundation, 100' from any surface water, and 50' from any property line
(unless otherwise indicated). Treatment tanks to be 15' from any on -site residence or building
foundation, 100' from any well, and 50' from any surface water. Verification of these setbacks to
be performed by contractor.
3. Pre -construction meeting to be held with Certified Installer prior to any construction activities.
4. Actual installation and placement of treatment system to be overseen by Contractor. Contractor
to document system installation with photographs.
5. Contractor shall backfill around all access areas such that storm water is shed away from
potential entry points.
OPERATION AND MAINTENANCE SCHEDULE:
1. A contractor or other qualified professional should be contacted if you are uncomfortable or unfamiliar with operating this
system or if system troubleshooting is necessary.
2. The Septic Tank Effluent Filter shall be cleaned at least every 6 months or per manufacturer's recommendations. Check Septic
Tank solids level annually. In general, it is recommended that solids be pumped from the Septic Tank every 3-5 years.
3. A clean -out is located on the system just before the Septic Tank. If liquid backs up into the house or the Septic Tank, the
drainline may be clogged or the Septic Tank may have too many solids in it to allow adequate flow through. A qualified contractor
should be contacted to unclog any blockages via these clean -outs. A pumping contractor should be used to empty solids from
the Septic Tank.
4. Effluent from the AdvanTex treatment system shall be sampled per the requirements of the system permit. If no parameters
are listed, AWT recommends sampling for the following parameters; Total Suspended Solids (TSS), Biological Oxygen Demand (BOD5),
Total Nitrogen (TN), Ammonia -Nitrogen (NH3-N), and Fecal Coliform.
5. Maintenance of the AdvanTex treatment system should be conducted by a certified operator under contract with the
homeowner.
6. Invert elevations of all components to be verified in field by contractor to ensure proper
operation. 6. The UV component shall be checked weekly to ensure the alarm bulb (on control panel) is not illuminated. The UV bulb
should be cleaned on a 6 month interval. It is recommended that the homeowner (or contracted operator) maintain a back-up UV
7. Engineer inspection(s), installer certification and engineer certification of installed system is bulb and quartz sleeve when it is time to replace the bulb. This service should be completed by the engaged certified operator.
required.
7. The storage and pumping component shall be checked weekly to ensure the alarm bulb (on control panel) is not illuminated.
8. Contractor to seed and/or mulch disturbed areas to coincide with existing landscape. Area If the control panel indicates the system is in alarm mode, the following steps should be taken:
shall not be left with uncovered soil.
• Stop use of all water in the residence (to stop flow into the pump tank),
9. Upon system completion, Contractor to supply Engineer with documentation of installation and • Verify that the system has electrical power.
a signed letter indicating system was installed per approved design or noting any deviation from . Contact a qualified contractor to inspect the system (if needed).
approved design.
10. All system piping to be SCH40 PVC.
11. All gravity elbows to be long -radius or long -sweeping type elbows.
12. Septic Tank to have approved Orenco Effluent Filter model FTP-0854-36 NC.
13. AdvanTex Pod to be placed on gravel bed. Pour concrete ring around flange of treatment
unit. In lieu of concrete collar, Orenco anti-bouyancy devices can be used.
14. Onsite vacuum and leak test required on all tanks. Vacuum test at 5 inches of Hg for 2
minutes. Leak test for 24-hour duration with water level at 2 inches above riser connection.
Documentation to be provided to Engineer.
15. Air pressure test required on all pressurized lines in excess of 500' in length. Air test at 10
psi for 10 minutes.
16. All Tank risers to have cast -in tank adapters and be single -piece risers. Risers shall be
secured to cast -in tank adapters per manufacturer's recommendations. Risers to extend 6" above
soil surface and be designed and maintained to prevent surface water inflow. Risers to be gasketed
and secured with four (4) 5/16" diameter screws.
17. All Tank risers to have safety nets or inner lids.
18. Sampling spigot to be installed on Pump Tank discharge line. A threaded union (or equivalent
type of disconnect) shall be provided in each pump discharge line. Pump discharge piping fittings
and valves shall be of compatible corrosion -resistant material.
19. Spigot to be located on outside of building within 50' of tanks or yard hydrant shall be
installed.
20. Mount Control Panel 24" (min.) above finished grade. Panel shall be locked or secured against
unauthorized access.
21. Contractor to install Internet line or phone line to VCOM control panel.
22. Electrical service from residence to be installed by licensed electrician under the residence
building permit.
23. All system wiring to be installed in electrical conduit buried to a minimum depth of 18". All
If it has rained recently the pump
may not be operating because the rain sensor is temporarily
blocking
the system from
operating. If this is the case then
the pump will resume operation once it is dry enough. If the
pump tank is in danger of
overflowing and continued rainfall
is expected, contact a septic tank pump contractor to remove
a portion
of the liquid in the
pump tank. The pump tank has been designed to accommodate approximately 5 days of effluent
storage
under normal usage. As
a result, prolonged periods of rain
may cause a back-up of effluent in the system since the rain
sensor
prevents application of
effluent onto the drip field.
8. It is important to inspect the pump tank, and components on an annual basis to ensure no solids are building up on the
tank bottom, to ensure that the pump control switches are placed properly, and to verify proper pumping of the effluent. These
activities will be handled by the engaged service provider.
9. The location of the supply line should be walked weekly to ensure that a line breakage has not occurred. The area in which
the line is buried should be monitored for any wet spots or locations of excessive vegetation growth as these occurrences may be
an indication of a line breakage. No permanent structure shall be erected over the locations of the Supply and Return lines. No
heavy vehicles or equipment should be driven over the Supply and Return lines.
10. The dripfield should be inspected weekly to verify proper operation and to ensure driplines have not become damaged.
Clogged or worn drip tubing should be replaced or, in the event of minimal obstruction, cleaned. No heavy vehicles or equipment
should be driven over the irrigation area.
Alkir
Engineers and Soil Scientists
Agri -Waste Technology, Inc.
501 N. Salem Street, Suite 203
Apex, North Carolina 27502
919-859-0669
www.agriwaste.com
Lampurl Residence
WWTS
Client Information:
Midtown Custom Homes
c/o Travis Lam
PO Box 31912
Raleigh, NC 27622
919-410-5542
[e-mail]
Property Information:
166 Democracy Place
Apex, NC 27523
Chatham County
Parcel: 80927
PROFESSIONAL ENGINEER SEAL
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
1 1. Vegetation (grass
for this system) in
the application
area is critical to the operation of the treatment system. The
REV. ISSUED DATE DESCRIPTION
application area should
be allowed to remain in a natural
state; however, the area should be kept free
of fallen trees and invasive
weeds. Any saplings or
stumps that re -grow
should also
be removed from the application area by hand
and without damaging the
drip components. The turf should be cut
occasionally to
keep the turf at a manageable height. Cutting
should be performed using
a trimmer, scythe, or
other method that
will not damage
the drip tubing. Wheeled or tracked equipment
should not be used. A
soil sample should be
collected from the
drip field area
to determine appropriate rates of lime and fertilizer
application.
12. System fencing shall be maintained to prevent human contact with the treated effluent and to ensure the vegetation remains
healthy.
wire to be OF or THWN rated.
SHEET TITLE
24. Separate circuits for each pump and alarm/control panel are required (Barn: 1 -120V, 20 Surf (ice
amp, 1 -120V, 15 amp House. 2-120V, 20 amp, 1 -120V, 15 amp). Separate conduit required for
phone or Internet line.
Notes
25. Recirculation Timer Settings:
TIME ON/OFF: 0.87 / 14.13 minutes [RELEASED
RAWN BY:
18 gpm to Pod / 7 gpm to Septic Tank A. Hudson
BY:
26. Pump Selection:
STEP Pump - Orenco PF1005 1 1
Recirc. Pump - Orenco PF3005 1 1
Irrigation Pump - Orenco PF2005 1 1 (Required Flowrate: 17.0 gpm, TDH: 109 ft)
Drip
CREATED ON:
06/10/2022
RELEASED ON:
SHEET NAME:
ww-io
73 of 214

Trenching and Excavation Safety
The employer must comply with the trenching and excavation requirements of 29 CFR 1926.651 and 1926.652
or comparable OSHA -approved state plan requirements.
Inspection of Excavations
OSHA standards require that a competent person inspect trenches daily and as conditions change before
worker entry to ensure elimination of excavation hazards. A competent person is an individual who is capable of
identifying existing and predictable hazards or working conditions that are hazardous, unsanitary, or dangerous
to workers, soil types and protective systems required, and who is authorized to take prompt corrective
measures to eliminate these hazards and conditions.
Access and Egress
OSHA standards require safe access and egress to all excavations, including ladders, steps, ramps, or
other safe means of exit for employees working in trench excavations 4 feet (1.22 meters) or deeper.
These devices must be located within 25 feet (7.6 meters) of all workers.
Recommendations
Heavy equipment and trucks should stay as far as possible from the edge of any trench.
Always use pads under stabilizers to minimize ground pressures that could lead to failures.
(b) Definitions
"Cemented soil" means a soil in which the particles are held together by a chemical agent, such as calcium
carbonate, such that a hand -size sample cannot be crushed into powder or individual soil particles by finger
pressure.
"Cohesive soil" means clay (fine grained soil), or soil with a high clay content, which has cohesive strength.
Cohesive soil does not crumble, can be excavated with vertical sideslopes, and is plastic when moist. Cohesive
soil is hard to break up when dry, and exhibits significant cohesion when submerged. Cohesive soils include
clayey silt, sandy clay, silty clay, clay and organic clay.
"Dry soil" means soil that does not exhibit visible signs of moisture content.
"Fissured" means a soil material that has a tendency to break along definite planes of fracture with little
resistance, or a material that exhibits open cracks, such as tension cracks, in an exposed surface.
"Granular soil" means gravel, sand, or silt (coarse grained soil) with little or no clay content. Granular soil has
no cohesive strength. Some moist granular soils exhibit apparent cohesion. Granular soil cannot be molded
when moist and crumbles easily when dry.
"Layered system" means two or more distinctly different soil or rock types arranged in layers. Micaceous
seams or weakened planes in rock or shale are considered layered.
"Moist soil" means a condition in which a soil looks and feels damp. Moist cohesive soil can easily be shaped
into a ball and rolled into small diameter threads before crumbling. Moist granular soil that contains some
cohesive material will exhibit signs of cohesion between particles.
"Plastic" means a property of a soil which allows the soil to be deformed or molded without cracking, or
appreciable volume change.
"Saturated soil" means a soil in which the voids are filled with water. Saturation does not require flow.
Saturation, or near saturation, is necessary for the proper use of instruments such as a pocket penetrometer or
sheer vane.
EXCAVATIONS IN TYPE A SOILS
All simple slope excavations 20 feet or less in depth shall have a maximum allowable slope of 3/4:1.
2(
20' Max.
\\ //3/4 1 20'
4' Max.
SIMPLE BENCH
12' Max. 1
1/2
Exception: Simple slope excavations which are
open 24 hours or less (short term) and which
are 12 feet or less in depth shall have a
maximum allowable slope of %2:1
5' Ma M�ax� r 3/4
MULTIPLE BENCH
1
All benched excavations 20 feet or less in depth shall have a maximum allowable slope of 3/4:1
and maxium bench dimensions as follows:
"Soil classification system" means, for the purpose of this subpart, a method of categorizing soil and rock
deposits in a hierarchy of Stable Rock, Type A, Type B, and Type C, in decreasing order of stability. The
categories are determined based on an analysis of the properties and performance characteristics of the
deposits and the characteristics of the deposits and the environmental conditions of exposure.
"Stable rock" means natural solid mineral matter that can be excavated with vertical sides and remain intact
while exposed.
"Submerged soil" means soil which is underwater or is free seeping.
"Type A" means cohesive soils with an unconfined, compressive strength of 1.5 ton per square foot (tsf) (144
kPa) or greater. Examples of cohesive soils are: clay, silty clay, sandy clay, clay loam and, in some cases,
silty clay loam and sandy clay loam. Cemented soils such as caliche and hardpan are also considered Type
A.
However, no soil is Type A if:
(i) The soil is fissured; or
(ii) The soil is subject to vibration from heavy traffic, pile driving, or similar effects; or
(iii) The soil has been previously disturbed; or
(iv) The soil is part of a sloped, layered system where the layers dip into the excavation on a slope of four
horizontal to one vertical (4H:1 V) or greater; or
(v) The material is subject to other factors that would require it to be classified as a less stable material.
"Type B" means:
(i) Cohesive soil with an unconfined compressive strength greater than 0.5 tsf (48 kPa) but less than 1.5
tsf (144 kPa); or
(ii) Granular cohesionless soils including: angular gravel (similar to crushed rock), silt, silt loam, sandy
loam and, in some cases, silty clay loam and sandy clay loam.
(iii) Previously disturbed soils except those which would otherwise be classed as Type C soil.
(iv) Soil that meets the unconfined compressive strength or cementation requirements for Type A, but is
fissured or subject to vibration; or
(v) Dry rock that is not stable; or
(vi) Material that is part of a sloped, layered system where the layers dip into the excavation on a slope less
steep than four horizontal to one vertical (4H:1 V), but only if the material would otherwise be classified
as Type B.
"Type C" means:
(i) Cohesive soil with an unconfined compressive strength of 0.5 tsf (48 kPa) or less; or
(ii) Granular soils including gravel, sand, and loamy sand; or
(iii) Submerged soil or soil from which water is freely seeping; or
(iv) Submerged rock that is not stable, or
(v) Material in a sloped, layered system where the layers dip into the excavation or a slope of four
horizontal to one vertical (4H:1 V) or steeper.
"Unconfined compressive strength" means the load per unit area at which a soil will fail in compression. It
can be determined by laboratory testing, or estimated in the field using a pocket penetrometer, by thumb
penetration tests, and other methods.
"Wet soil" means soil that contains significantly more moisture than moist soil, but in such a range of values
that cohesive material will slump or begin to flow when vibrated. Granular material that would exhibit cohesive
properties when moist will lose those cohesive properties when wet.
EXCAVATIONS IN TYPE B SOILS
All simple slope excavations 20 feet or less in depth shall have a maximum allowable slope of 1:1.
2(
SIMPLE SLOPE
All benched excavations 20 feet or less in depth shall have a maximum
allowable slope of 1:1 and maxium bench dimensions as follows:
20' Max.
This bench allowed in
cohesive soil only.
4' Max:
SINGLE BENCH
8' Max. 1 I This bench allowed in
20' Max. cohesive soil only. /
3/4 12' Max. 1
3.5' Max. 4' Max.
1
4' Max.
All excavations 8 feet or less in depth
which have unsupported vertically sided
lower portions shall have a maximum
vertical side of 3%2 feet. All excavations more than 8 feet but not more
than 12 feet in depth with unsupported vertically
sided lower portions shall have a maximum
allowable slope of 1:1 and a maximum vertical
side of 3Y2 feet.
All excavations 20 feet or less in depth which have vertically sided lower portions that are supported or
shielded shall have a maximum allowable slope of 3/4:1. The support or shield system must extend at
least 18 inches above the top of the vertical side.
All other simple slope, compound slope, and vertically sided lower portion excavations shall be in
accordance with the other options permitted under § 1926.652(b).
MULTIPLE BENCH
0
0
All excavations 20 feet or less in depth which have vertically sided lower portions that are
supported or shielded shall have a maximum allowable slope of 1:1. The support or shield system
must extend at least 18 inches above the top of the vertical side.
VERTICALLY SIDED LOWER PORTION
All other sloped excavations shall be in accordance with the other options permitted in § 1926.652(b).
(c) Requirements
(1) Classification of soil and rock deposits. Each soil and rock deposit shall be classified by a competent person
as Stable Rock, Type A, Type B, or Type C in accordance with the definitions set forth in paragraph (b) of
this appendix.
(2) Basis of classification. The classification of the deposits shall be made based on the results of at least one
visual and at least one manual analysis. Such analyses shall be conducted by a competent person using
tests described in paragraph (d) below, or in other recognized methods of soil classification and testing such
as those adopted by the American Society for Testing Materials, or the U.S. Department of Agriculture
textural classification system.
(3) Visual and manual analyses. The visual and manual analyses, such as those noted as being acceptable in
paragraph (d) of this appendix, shall be designed and conducted to provide sufficient quantitative and
qualitative information as may be necessary to identify properly the properties, factors, and conditions
affecting the classification of the deposits.
(4) Layered systems. In a layered system, the system shall be classified in accordance with its weakest layer.
However, each layer may be classified individually where a more stable layer lies under a less stable layer.
(5) Reclassification. If, after classifying a deposit, the properties, factors, or conditions affecting its classification
change in any way, the changes shall be evaluated by a competent person. The deposit shall be
reclassified as necessary to reflect the changed circumstances.
(d) Acceptable visual and manual tests
(1) Visual tests. Visual analysis is conducted to determine qualitative information regarding the excavation site
in general, the soil adjacent to the excavation, the soil forming the sides of the open excavation, and the soil
taken as samples from excavated material.
(i) Observe samples of soil that are excavated and soil in the sides of the excavation. Estimate the range
of particle sizes and the relative amounts of the particle sizes. Soil that is primarily composed of
fine-grained material material is cohesive material. Soil composed primarily of coarse -grained sand or
gravel is granular material.
(ii) Observe soil as it is excavated. Soil that remains in clumps when excavated is cohesive. Soil that
breaks up easily and does not stay in clumps is granular.
(iii) Observe the side of the opened excavation and the surface area adjacent to the excavation. Crack -like
openings such as tension cracks could indicate fissured material. If chunks of soil spall off a vertical
side, the soil could be fissured. Small spalls are evidence of moving ground and are indications of
potentially hazardous situations.
(iv) Observe the area adjacent to the excavation and the excavation itself for evidence of existing utility and
other underground structures, and to identify previously disturbed soil.
(v) Observe the opened side of the excavation to identify layered systems. Examine layered systems to
identify if the layers slope toward the excavation. Estimate the degree of slope of the layers.
(vi) Observe the area adjacent to the excavation and the sides of the opened excavation for evidence of
surface water, water seeping from the sides of the excavation, or the location of the level of the water
table.
(vii) Observe the area adjacent to the excavation and the area within the excavation for sources of vibration
that may affect the stability of the excavation face.
EXCAVATIONS IN TYPE C SOILS
All simple slope excavations 20 feet or less in depth shall have a maximum allowable slope of 1%2:1.
20' Max.
SIMPLE SLOPE
1 %2
1
All excavations 20 feet or less in depth which have vertically sided lower portions that are
supported or shielded shall have a maximum allowable slope of 1Y2:1. The support or shield
system must extend at least 18 inches above the top of the vertical side.
VERTICALLY SIDED LOWER PORTION
All other sloped excavations shall be in accordance with the other options permitted in § 1926.652(b).
(2) Manual tests. Manual analysis of soil samples is conducted to determine quantitative as well as qualitative
properties of soil and to provide more information in order to classify soil properly.
(i) Plasticity. Mold a moist or wet sample of soil into a ball and attempt to roll it into threads as thin as
Engineers and SOII Scientists
Agri -Waste Technology, Inc.
1/8-inch in diameter. Cohesive material can be successfully rolled into threads without crumbling. For
501 N. Salem Street, Suite 203
example, if at least a two inch (50 mm) length of 1/8-inch thread can be held on one end without
Apex, North Carolina 27502
tearing, the soil is cohesive.
919-859-0669
(ii) Dry strength. If the soil is dry and crumbles on its own or with moderate pressure into individual grains
www.agriwaste.com
or fine powder, it is granular (any combination of gravel, sand, or silt). If the soil is dry and falls into
clumps which break up into smaller clumps, but the smaller clumps can only be broken up with
difficulty, it may be clay in any combination with gravel, sand or silt. If the dry soil breaks into clumps
Lam u r R e s d e n c e
which do not break up into small clumps and which can only be broken with difficulty, and there is no
visual indication the soil is fissured, the soil may be considered unfissured.
I�II�IT S
(iii) Thumb penetration. The thumb penetration test can be used to estimate the unconfined compressive
Y Y Y Y
strength of cohesive soils. (This test is based on the thumb penetration test described in American
Society for Testing and Materials (ASTM) Standard designation D2488 - "Standard Recommended
Client Information:
Practice for Description of Soils (Visual - Manual Procedure).") Type A soils with an unconfined
Midtown Custom Homes
compressive strength of 1.5 tsf can be readily indented by the thumb; however, they can be penetrated
by the thumb only with very great effort. Type C soils with an unconfined compressive strength of 0.5
c/o Travis Lam
tsf can be easily penetrated several inches by the thumb, and can be molded by light finger pressure.
PO Box 31912
This test should be conducted on an undisturbed soil sample, such as a large clump of spoil, as soon
Raleigh, NC 27622
as practicable after excavation to keep to a minimum the effects of exposure to drying influences.If the
919-410-5542
excavation is later exposed to wetting influences (rain, flooding), the classification of the soil must be
[e-mail]
chap ed accordin I
9 9 y•
(iv) Other strength tests. Estimates of unconfined compressive strength of soils can also be obtained by
use of a pocket penetrometer or by using a hand -operated shearvane.
(v) Drying test. The basic purpose of the drying test is to differentiate between cohesive material with Property Information:
fissures, unfissured cohesive material, and granular material. The procedure for the drying test involves 166 Democracy Place
drying a sample of soil that is approximately one inch thick (2.54 cm) and six inches (15.24 cm) in
diameter until it is thoroughly dry: Apex, NC 27523
(A) If the sample develops cracks as it dries, significant fissures are indicated. Chatham County
(B) Samples that dry without cracking are to be broken by hand. If considerable force is necessary to Parcel: 80927
break a sample, the soil has significant cohesive material content. The soil can be classified as an
unfissured cohesive material and the unconfined compressive strength should be determined.
(C) If a sample breaks easily by hand, it is either a fissured cohesive material or a granular material.
To distinguish between the two, pulverize the dried clumps of the sample by hand or by stepping PROFESSIONAL ENGINEER SEAL
on them. If the clumps do not pulverize easily, the material is cohesive with fissures.lf they
pulverize easily into very small fragments, the material is granular.
EXCAVATIONS IN LAYERED SOILS
All excavations 20 feet or less in depth made in layered soils shall have a maximum allowable
slope for each layer as set forth below.
Cr
C
Cr
B OVER A
C OVER A
C OVER B
A OVER B
A OVER C
1 %2
1%
FINAL DESIGN
NOT RELEASED FOR CONSTRUCTION
REV. ISSUED DATE DESCRIPTION
SHEET TITLE
Excavation
Safety
�1 DRAWN BY:
1y2 A. Hudson
RELEASED BY:
CREATED ON:
06/10/2022
RELEASED ON:
All other sloped excavations shall be in accordance with the other options permitted in § 1926.652(b). SHEET NAME:
ww� 11
74 of 214