IPACHTE#C]I`j~ - 5-V)it+-7o Harnett County Department of Public Health 2 5 7 8 8
Improvement Permit
A building permit cannot be issued with only an Improvement Permit
Q PROPERTY LOCATION: N C., Nwy SS
ISSUED TO: NG1-Z~t \\P~~~ yV~L~1N6 ,N\srW-\E:5 SUBDIVISION LNQ* Y-T7)at\1~GTOty LOT # A-
NEW REPAIR ❑ EXPANSION ❑ Site Improvements required prior to Construction Authorization Issuance:
Type of Structure: CA.ucu-,A (~o~'E~Lawstlvf \ aP L:
Proposed Wastewater System Type: FL-o - nLt ds.t sTEs~
Projected Daily Flow: 1 O 5 O GPD
Number of bedrooms: - Number of Occupants: a)SO max
Basement ❑Yes XNo
Pump RequiredXYes ❑ No ❑ May be required based on final location and elevations of facilities
Type of Water Supply: ❑ Community X Public ❑ Well Distance from well tQQ feet Permit valid for. Five years
Permit conditions: ❑ No expiration
Authorized State Agent:: _ ex.->a5 Date: % a l~ oCI SEE ATTACHED SITE SKETCH
The issuance of this permit by the Health Departmen in no way guarantees uance of other permits. The permit holder is responsible for checking with appropriate governing bodies in meeting their requirements. This
site is subject to revocation if the site plan, pla4 or the intended use changes. The vement Permit shall not be affected by a change in ownership of the site. This permit is subject to compliance with the provisions of
the Laws and Rules for Sewage Treatment and Disposal and to conditions of this permit..
Construction Authorization
(Required for Building Permit)
The construction and installation requirements of Rules .1950, .1952, .1954, .1955, .1956, .1951, .1958. and .1959 are incorporated by references into this permit and shall be met. Systems shall be installed in accordance
with the attached system layout.
ISSUED TO: s P, -1 Q y,i,p\rG ~N,b-coal, PROPERTY LOCATION: NC- Nw~f 55
SUBDIVISION -flalzy~Ty rz a ,a GSOty LOT # I
Facility Type: Gµ v cu~~ `N emu owS),yR t New ❑ Expansion ❑ Repair
Basement? ❑ Yes "K No Basement Fixtures? ❑ Yes No
Type of Wastewater System" ')-ow Lgyo,>~\2.1~i\oa (Initial) Wastewater Flow: 1060 GPD
(See note below, if applicable
Q V c. t,.\Zp.-~ so T'! (Repair)
Installation Requirements/Conditions Number of trenches
Septic Tank Size 1-750 gallons Exact length of each trench -OW 50, feet Trench Spacing: ~l Feet on Center
Pump Tank Size 3000 gallons Trenches shall be installed on contour at a Soil Cover: 11 inches
Maximum Trench Depth of: 9, inches (Maximum soil cover shall not exceed
(Trench bottoms shall be level to +/-1/4" 36" above the trench bottom)
in all directions)
Pump Requirements: a~ ft. TDH vs. 45 GPM (sks No) E) inches below pipe
Aggregate Depth: inches above pipe
Conditions: See NL-L. C_a,o~~sots-s KrAQNtzEe.~nt~s ~a S,cG S ~c~, Ayfl 1'a inches total
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PrL,.6a -['a ~sE t.~y 6 $ tst I~+~ 0 4{' c-n o.; o r .
**If applicable: /understand the system type specified is different from the type specified on the app/ication. / accept the specifications of thin permit
Owner/legal Representative Signature: Date:
MIS construction Autnortzanoms su canon it the to plan, p14 or the intended use changes. The Construction Authorization shall not be transferred when there is a change in ownership of the site. This
Construction Authorization is ~ubyec,to compliance t isio the laws and Rules for Sewage Treatment and Disposal and to the conditions of this permit. SEE ATTACHED SITE SKETCH
Authorized State Agent: R6~1 Date:
Co tion Authorization Expiration Date:
11-1
HTE# Og - S- l`i O Permit # a57~q
Harnett County I)epartment of Fblic Health
Site Sketch
PROPERTY LOCATON: 1J G t~ SS
ISSUED T0: ~»C:M~A~1 N ~h,s 2 SUBDIVISION L..kgg. „ `TuZL~NGTpN LOT # _
Authorized State Agent: &G~s ~q~vv ro w Date: h_ ) Ol o.\
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d. Sites meeting the criteria for Innovative Systems set forth in Rule .1969, or
other sites meeting the requirements for systems specifically approved by the
State.
V. System Sizing and Design Criteria:
a. Septic Tank & Effluent Filter: The septic tank and effluent filter shall be
designed and constructed in accordance with Rule .1952, .1953, and .1954 and
sized in accordance with .1952 (b) (2) where "Q" is the largest projected 24
hour waste flow in the flow equalization cycle.
b. Grease Traps: The grease trap shall be designed and constructed in accordance
with Rules .1952, .1953, .1954 and .1955 (k)(3) and (k)(4). Grease traps at
churches with kitchens shall be sized at a minimum of I gallon/seat [in the
dining area]. The minimum liquid capacity of any grease trap shall be 1,000
gallons.
c. Equalization/Pump Tank: The pump dosing tank shall be sized to allow for:
i. Pump submergence: Effluent volume that covers the pump and the motor
housing, or in accordance with pump manufacturer's suggestions, but in
no case shall less than 12 inches of effluent remain in the tank at all times.
The pump intake shall be at least 5" from the interior bottom of the tank;
ii. Minimum Dose Volume: Minimum dose required based on the size of the
nitrification field (see below);
iii. Equalization Volume: The highest cumulative volume of effluent as
indicated by the flow balance calculation;
iv. High-Water Level Alarm: The high-water alarm shall be set to activate at
or above the equalization volume; and
v. Emergency Storage Volume: Effluent volume that equals Q as defined in
V(a).
d. Pump: In addition to the applicable requirements of 1952(c)(2), (3) and (4) the
pump shall be sized to deliver the minimum required flow at the total dynamic
head. The pump shall also deliver a flow that meets or exceeds a scour velocity
of 2 feet/second, using Q = (V) (2.45d2), where V = scour velocity = 2
feet/second and d = inside pipe diameter in inches. The minimum delivery rate
at a residual operating pressure of 2 feet shall be at least:
i. 13 GPM for 1-% inch Sch 40 pipe,
ii. 21 GPM for 2 inch Sch 40 pipe,
iii. 46 GPM for 3 inch Sch 40 pipe
e. Control Panel: The control panel shall meet State approval and meet the
specifications set forth in Rule .1952 (c)(6) with the additional requirements of:
i. High-water level alarm event counter
ii. Timer over-ride counter
3
4
iii. Pump event counter
iv. PUmp elapsed time meter
v. Magnetic motor contactor
vi. HOA switch
vii. Control circuit fuse
viii. Alarm circuit fuse
ix. Float switch terminal block
x. For each pump. either a:
- Programmable timer with variable controls for setting the on and off
times from .05 seconds to 30 hours. or
- a repeat cycle timer that afford the amount of control needed for pump
run time and off time.
xi. Circuit breaker for each pump
xii. Circuit breaker for the alarm /control circuit
xiii. NEMA 4X Alarm strobe beacon
xiv. NEMA 4X Alarm Horn (83 decibels 3' minimum) w/ auto reset
xv. NEMA 4X Exterior Horn Test/ Normal/Silence Switch
xvi. Ground lug
xvii. 2 Lockable Hasps or one lockable hasp & 2 captive screws opposite the
hinges of the NEMA 4X enclosure
xviii. Pump Run light
Controls ~iiall require the pump enable float itch to be activated (minimum
dose volume present) before the start of any pump cycle. Cycles shall be shut
off by the run timer or the low-water cut-off float (not by deactivation of the
enable float).
Approved flow equalization panel models shall be listed on the On-Site
Wastewater Section web page. ('~t 1)-
Alternating duplex or sequencing multiplex pumps are required for any system
with 3000 gallons or more per any 24-hour flow period (Q>3000 gallons), the
system requires 2000 linear feet or more of nitrification line, or the equalized
daily flow is 1500 gallons or greater. The control panel shall meet the additional
requirements of. 1952 (c)(7) and include a programmable timer for each pump.
The control panel shall be designed to sequence dosing events between pumps.
The HOA switches in duplex and multiplex panels shall enable the operator to
shut off one or more fields with the fields remaining in service dosed
automatically, sequentially and uniformly.
g. Remote alarms and telemetry may be specified on a system-specific basis.
h. The control panel shall be mounted within 10 feet of the pump tank and at a
height to allow the Operator in Responsible Charge (ORC) to easily adjust and
observe the timer control device and other appurtenances of the control panel
(e.g., center of box to be 3 to 5 feet above finished grade).
4
5)-7
Pressure manifold, low-pressure pipe distribution or drip distribution shall be
required for all flow equalization systems. Serial distribution may be used for
retrofitting existing serial distribution systems if the effluent flows through an
orifice control device before the flow becomes gravity (orifice shall be
minimum of 3/4-inch for 1-1/2-inch supply line, 1-inch for 2-inch supply line in
order to achieve minimum 2-fps scour velocities). An accessible turn-up with a
threaded cap and regulating valve shall be provided prior to the orifice control
device to allow regulation of the flow (note: do not adjust flow to be less than
necessary to achieve 2-fps scour velocity).
Floats: The following floats shall be provided and shall meet the requirements
of Rule .1952 (c)(5)
i. A low - level / redundant-off switch shall prevent the pump from running
in the event the level in the tank is below the ptnnp intake.
ii. A timer-enablinG switch shall be set at or above the pump submergence
level and shall not allow for partial doses.
iii. A high-level alarm shall activate after the equalization volume is
exceeded. If there is a controlled delay before alarm activation, the delay
shall be no more than 5 minutes. After being silenced, the alarm horn shall
automatically reset and shall be audible with each high level event. The
alarm event counter shall record each activation of the alarm.
iv. A timer override switch located at or above the alarm shall dose no more
than a designed dose event to the drainfield. The alarm shall re-activate at
each override event. The timer override float may be integral with the
alarm float.
Other sensor devices may be utilized as approved by the State but must meet all
four float actions.
k. Dosing Volume: The dosing volume shall be calculated based on the size of the
nitrification fields and the number and frequency of the dosing events desired
per day. The minimum and maximum pump run times shall be in accordance
with pump manufacturer's recommendations. The dosing volume shall be
calculated based on 40 to 80 percent of the drainline pipe volume for
conventional systems and 5 to 8 times the lateral volume for low-pressure pipe
or drip systems.
Drain field: The equalized daily flow (EQ) shall be calculated by adding the
design daily flow for each event as determined by Rule .1949 in the flow
equalization cycle and then dividing by the number of days in the cycle. Under
this approval, the maximum number of equalization days is 14 unless otherwise
approved by the State on a case by case basis. The nitrification field shall be
sized by dividing the equalized daily flow (EQ) by the LTAR as determined in
.1955, .1956 and 1957.
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fitting to allow for connecting Aluminum or steel
clear pressure monitoring tube shoebox-type covers with handles
(leave tube in bottom of vault) (150 lbs. each, max.)
Support straps
Threaded tap or bars
Ball valve tanifold supports
U R Yi a4 ~ 3S
Dead level manifold installation s a
Gravel pit for internal drain discharge
Profile View of Pressure Manifold for Sloping Site Installation
(not to scale)
Tap - direct thread or saddle
Cleanovt (if tapped with male adaptor, trim
Pressure head cluclt thish with inside waM
12 tnut.
>criiurs,t suppiy li<m
I i. 1 ~ il t
Internal vault drain
Manifold vault o 0 0 0 0 0 o n True-union ball valve
(ball valve with two disconnect unions)
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1 1 1 1 1 1 1 1 3° supply itnes
11 Observation port (tee with extension to dxainiines at rnin. 1.0% slope
brought to grade; with r nwvabie eap)
Plan View of Pressure Manifold for Sloping Site Installation
(not to scale)
71