HomeMy WebLinkAboutSWG2025-00412 - SWG Application / Design MASON COUNTY 415 N 6TH STREET,SHELTON, ,WA 98584
• SHELTON:360-427-9670,EXT 400
BELFAIR:360-275-4467,EXT 400
Public Health & Human Services ELMA:360-482-5269,EXT 400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2025-00412
APPLICANT DAHL PROPERTIES LLC Phone: 1.360.740.0345
Address: 261 HAMILTON RD N CHEHALIS, WA 98532
OWNER DAHL PROPERTIES LLC. Phone: 1.360.740.0345
Address: 261 HAMILTON RD N CHEHALIS,WA 98532
SEPTIC DESIGNER ADAM HUNTER* Phone: 360-753-1226
Address: PO Box 162 OLYMPIA, WA 98507
Site Address: W HIGHLAND RD
Primary Parcel Number: 520241350020
Permit Description: 4BR Nuwater+ Drip
Permit Submitted Date: 10/14/2025
Permit Issued Date: 04/28/2026
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $825.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 10/16/2028 (based on date of inspection)
Permit Conditions:
I Approval of this septic permit does not approve the building location. Building location is
subject to approval from all applicable departments and regulations.
2 Proposed development subject to zoning requirements and approval by the planning
department staff per Mason County Title 17.
3 Permit must be installed by a Mason County Certified Installer unless prior written
authorization from Mason County is obtained.
4 Drain field installation not to exceed designed upslope and downslope depth specified on
design form.
5 Installer is responsible for obtaining Mason County installation approval prior to backfill of
system components.
6 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to
backfill of system components.
7 Mason County Asbuilt Form, Record Drawing, and Installation fee must be submitted for
final installation approval.
8 Applicant shall adhere to the recommendations of the Wetland Report, prepared by
Aspect Aerial Analytics LLC, dated October 30th, 2025, which was submitted for
SPL2025-00004(Short Plat#25-04).
THIS PERMIT MUST BE ONSITE DURING INSTALLATION OF OSS.
PROPERTY OWNERS ARE RESPONSIBLE FOR DETERMINING AND MARKING ALL PROPERTY LINE AND EASEMENT LOCATIONS.
THIS PERMIT MAY BE REVOKED IF THE SITE CONDITIONS HAVE CHANGED SINCE THE SITE WAS INSPECTED AND DESIGN APPROVED.
FINAL INSTALLATION APPROVAL IS REQUIRED PRIOR TO TEMPORARY OR FINAL OCCUPANCY OF ANY RELATED STRUCTURES.
For Final Inspection visit: masoncountywa.gov/health/environmental/onsiteloss-inspection-request.php or call:
360-427-9670, extension 400.
OFFICIAL USE ONLY
MASON COUNTY DATE RECEIVED:
• AMOUNT RE VED: RECEIVED BYYY:
Public Health & Human Services 5 �� q4Qv N
Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 ≤ CO
S\/VG /'\
415 N.6th Street-Shelton,WA 98584 O�� (_ I y 0
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ON-SITE SEWAGE SYSTEM APPLICATION
m 0
APPLICANT PHONE m
DAHL PROPERTIES ® 3607400345 c
MAILING ADDRESS-STREET,CITY,STATE,
261 N HAMILTON RD CHEHALIS WA 98532 m
SITE ADDRESS-STREET,CITY,ZIP CODE
XX HIGHLAND RD ® - SHELTON WA 98584
NAME OF DESIGNER 1® PHONE N
ADAM HUNTER 3607531226
NAME OF INSTALLER I PHONE v I W
TBD ca TBD c o
PERMIT TYPE(select one) DRINKING WATER SOURCE 0 I N
RESIDENTIAL OSS COMMUNITY OSS I (COMMERCIAL OSS 5]PRIVATE INDIVIDUAL WELL PRIVATE TWO-PARTY WELL Z 0
TYPE OF WORK(select one) PUBLIC WATER SYSTEM
NEW CONSTRUCTION!UPGRADES REPAIR I REPLACEMENT OTHER DETAILS(select all that apply) ❑ TABLE X REPAIR
SUBMITTALS 0-SURFACING SEWAGE ❑ EXISTING FAILURE ❑SHORELINE
DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER4/1/2025? O I
WAIVER S IF APPLICABLE 4 7.210
9 I J ( )( ) ❑ YES O NO
DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate)
SHELTON MATLOCK RD TO A LEFT ON HIGHLAND RD, CONTINUE FOR 1.6 MILES TO
SITE ON THE LEFT. r
0
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS.
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE/FAILURE SOURCE(for reporting purposes)
❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT ❑HOME SALE ❑COMPLAINT ❑OTHER:
INSPECTOR SOIL LOGS COMMENTS/CONDITIONS
SOIL CODES: RECORD DRAWING AND INSTALLATION REPORT
V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINALAPPROVAL.
I ECTOR SIGNATURE DATE APPLICATION EXPIRATION DATE / PLIC ION APPROVED/ISSUED BY DATE
I MAYBE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 520241350020 -- --
A design will be reviewed when 3 copies of each of the following are submitted:
Completed design form that has been signed and dated. Scaled layout sketch,including all applicable items on checklist.
Scaled plot plan,including all applicable items on checklist. "Cross-section sketch,including all applicable items on checklist.
This form maybe scanned and available for public view on the Mason County Web site.Maximum paper size: 11"X17"
PARCEL IDENTIFICATION
Permit Number: SWG Designer's Name: ADAM HUNTER
Applicant's Name: DAHL PROPERTIES Designer's Phone Number: 3607531226
Mailing Address: 261 N HAMILTON RD Designer's Address: PO BOX 162
CHEHALIS WA 98532 City State Zip OLYMPIA WA 98507
City State Zip Designer's Email JHANDASSOCIATES@HOTMAIL.COM
DESIGN PARAMETERS
Treatment Device
0 Glendon ❑ Sand Filter ❑Mound ❑ Sand Lined Drainfield ❑ Recirculating Filter 0 ATU ❑Other
Treatment Level(check all that apply): J A J B J C J BLI J BL2 J BL3 J E J N
Drainfield Type
❑ Gravity ❑Pressure 0 Trench 0 Bed 'Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 4 Schedule/Class DRIP
Daily Flow: Operating Capacity 360 gpd Length 198-216 ft
Daily Flow:Design Flow 480 gpd Diameter 1/2 in
Septic Tank Capacity(working) 1200 gal Number 3
Receiving Soil Type(1-6) 4 Separation 2 ft
Receiving Soil Appl.Rate 0.6 gpd/ft2 Orifices
Required Primary Area 1200 ft2 Total Number of Orifices 612
Designed Primary Area 1200 ft2 Diameter DRIP in
Designed Reserve Area 800 ft2 Spacing 12 in
Trench/Bed Width 18 ft Manifold
Trench/Bed Length 67 ft Schedule/Class 40
Elevation Measurements Length 67 ft
Original Drainfield Area Slope 8 % Diameter 1.25 in
New Slope,If Altered N/A % Preferred manifold configuration used? 6a'Yes ❑No
Depth of Excavation Up-slope 6 in Transport Pipe
from Original Grade Down-slope 6 in Schedule/Class 40
Designed Vertical Separation 24 in Length 500 ft
Gravel-based Drainfield Required? ❑Yes E1 No Diameter 1.25 in
Pump Required? 'Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 12
Diff.in Elevation Between Pump&Uppermost Orifice 22 ft Dose quantity 40 gal
Drainfield Squirt Height/Selected Residual(head) 35 ft Chamber Capacity(flood) 1200 gal
Uppermost Orifice L 'Higher 0 Lower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head 10.3 gpm 9 Timer I'Elapse Meter ' Event Counter
Calculated Total Pressure Head 137.6 ft If Timer: Pump ftn`7 ¶40L " a t pump off' ''.2HRS
'
Comments
mow' APR 2 8 202-6
MASON COUNTY ENVIRONMENTAL HEALTH
ism Revised:4/14/2025
DESIGN FORM—PAGE TWO Assessor's Parcel Number: 520241350020 -- --
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
P1 Test hole locations l' Drainfield orientation and layout Reference depth from original grade:
0' Soil logs f' Trench/bed dimensions and Ed Septic tank
9' Property lines critical distances within layout EZ Drainfield cover
9' Existing and proposed wells f' D-Box/Valve box locations
Reference depth from original grade
within 100 ft of property t' Septic tank/pump chamber and restrictive strata:
9' Measurements to cuts,banks,and locations E' Laterals,trench/bed,top and
surface water and critical areas t' Observation port location bottom
9' Location and orientation of ld Clean-out location 9 Curtain drain collector
curtain drain and all absorption ld Manifold placement E' Sand augmentation
components l' Orifice placement Other cross-section detail:
Location and dimension of l' Lateral placement with distance i' Observation ports/clean-outs
primary system and reserve area to edge of bed
9' Buildings Other Information
0' Audible/visual alarm referenced Yes No
Direction of slope indicator El Scale of drawing shown on scale l21' O Design staked out
9' Waterlines bar O O Recorded Notices attached
0' Roads,easements,driveways, Q Elevation benchmark and relative O O Waiver(s)attached
parking elevations of s stOl nqRqnJs O Pump curve attached
9 North arrow and scale drawing , ❑ ❑ Evaluation of failure
shown on scale bar r, Y
2 '.: i Non-residential justification
2026 �1 ' O O Waste strength
MASON CUuw,ti �NVIR0 r y.� ❑ ❑ Flow
DESIGNR)P1P�ROVAL
The undersigned designer must 11e ntied by installer at time of installation C'Yes O No
10/13/25
Si ture Designer Date
The undersigned has reviewed th 1:esi�ppoh behalf of Mason County Public Health and determined it to be in
compliance with state and to n site regulatio s:
En ' ental Health Specialist Date
CAUTION: DESIGN AP ROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved"by Mason County Public Health.
✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: /D-/�
✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval.
Please Note: The system must be installed by a certified installer,
unless prior authorization is obtained from Mason County Public Health.
An Installation Fee is required.
This form may be scanned and available for public view on the Mason County Web site. Revised:4/14/2025
Fill in the vloletshaded-cells..Output Information will automatically be calculated and.shown In blue.
The NolafM Bloline`Calculator estlmaha the amount Of eloltns shaded-cells.Do not attempt n enter data into the blue-shaded cells.It will erasethe formuW and
floodedNnt f lnBlolnwasaewaao drip s mate tit systemalongwith other' potentially impact other,output data.To save your information asa.hnfile for future reference or
submittal,fill in the information inthe project's name and address fields below.The name you choose
design paremetars.It is NOT Intended to replace a professional General Instructions for-Job Namelul meownerwl8 became the name fifths tat file.Swill be saved on your computer when
design,and should be used for estimating purposes only.Always you click the"Save to File"button at the bottom of the shoot'A file'folder will be created for you called
consult with a professional designer.Do not use this program with "Netafim"and the file will be stored there.For example,lithe Job Name/Homeowner for the project Is
other brands of products. Mr.&Mrs.Jones,all of your Information will be saved lea fits folder called"Notafim"'end the file In this
_ .folder will be celled Mr.&Mrs.Jonos.fxlT °
Netafim Bioline®Dripperline Design Recommendations-Based on Soil Loading Rate
Job Newel Homeowner: CALVIN OAHL 10/1 0/25
Address: XX HIGHLAND RD(LOT 21
City,state,Zip: SHELTON WA98584 '�+++���=,,,�& '•
PenndAgency: MASON COUNTY EH
Installer Name: TBO y
Designed By: ADAM HUNTER
Date: 10/132025 �p 1k
•. . • • 'o.a,el.i„S
Gatvns pproop _,"480 Total System Information a��•i 4n ';.tp
" ". .. APDticaticnArea Requied(square feet) 1r .200 ti•.'
Sep Loading:Rote(Gallons-(Sq.FI(Par DayjGPDl1, g.1--•�� Total Amount of Bioiineo Required(feet)I 612 c sttx<t It
Total Number of Emitters in the Ddpfield 612 ADAF1.ADAL1 J.IIUNTER
SelectEmltterFlowRat•(GPH)[ g'd2 •.('i ?(jii
Zone hrformation
Sntectiwltfr Spwfng Qnclws) 2 Numberof Zones[1 -+'vas a;.
,,.a. ........,.,_..__...�.. Amount of B'ofne Per Zone(feet)) 612
Fkrsh Vekxi sl"" 2.5 ' Number of Emitters Per Zone 612
Minimum Number of Laterals Per Zone 3
Madmum Number at Laterals Per Zone 10
Estimated:Pump Flow Rising(GPM)L_, 20-„_ Number of Laterals That Wig be Used
._.-,___ —�_ Mrdmum Length of Bialinee Laterals Based on[NetPwssumr 221
iNetPtoosure(psij[ `35 Flow Rate PerZone(GPM)! 4:3
., ,_�: Holding Capacity of Drippertne Per Zone(Gallons)1 8.1
irdot Pressure(Feet of Head . _. 809 .;_ Additional Flow Requirement to Accommodate Flushing VelocityL. _6A_
Row OpacbgBorween^Drlpllms(feet)f3'' Holding Capacity of Piping
Holding Capacity(Gallons)of Supply Line&Supply&Flush Manifolds 36.8
Numberof Zones ' 1 Holding Capacity(Gallons per Zone)of Bietno) &1
Holding Capacity(Galan)of Supply Lire,Manifolds and DnypedineL.,,47 0_,_
• Heun Per Day to Uso(or Doslgt24
Head Loss Data.Dosing&Flushing Cycle
Elevation Change from Pump to Dose Took Outlet(feet)( 4 Friction Loss per 100'(psi)In Supply Line&Manifolds 07-"—
Velocity(fps) 2.2
Elevation Charge"from Dose Terk to Drip Field(Iooi[ 22 Fdcion Loss aSupDN Line BSuDPN Manifolds(psi) 3.3
_ Friction Loss in Supply Lion&Supply Manifolds(Feel of Head) 7.7 _
LmgtKof SupplyLino&Supply&Plush Manifolds(feet)L_500 Additional Pressure Required for Realm Manifold and Piping to Tank(psi) 10.0
Additional Pressure Required for Realm Manifold and Piping to Tank(Feet o1 Head) 23.1
TDH(Total Dynamic Head)in Feet of Head .37.6__.
Typo of Pipe-Supply Line&Manfold tVC Sch4e Control Settings Information
Total System Runtime Per Day(M'mdes) 112!
Si2eofSupply&'Medreld Pipe.inches)L_1,25 Total Runtime-PerZonePer Day(Minutes) 112
Total System Dosing Events Per Day 12
• Pipe RcughneseCorrstot e150 •Runtime For Each Deco)Mirules)[
Oil Time Between Doses in the Same Zone(Rows b nearest 5.1) 8,,,...,.
,.• Inside:Dlamotaroi Pipe(Inchas):.__,1.38 _—
Miscellaneous Information
b roio b sir Events'P r 1 ' "12 `- Dosing Volume Per Emitter Per Dose(Sapons)["Thtt.07
Inches Per Week of Dosing) 4A9
Volume of a Single Paso(galore)_42.L,_
4 Pump Selection
Pump Flow Rating(GPM)({�''f03�`
TON(Total Dynamic Heed in Feel of Heed)f 137.6
Pump Manufacturer[ ORENCO
Purse McdviPF.1007
bi/'%4W
Ty
Using a Pump Curve
A pump curve helps you determine the best pump for your system.Pump curves show the relationship between flow and pressure(total dynamic
head or"TDH"),providing a graphical representation of a pump's optimal performance range.Pumps perform best at their nominal flow rate.These
graphs show optimal pump operation ranges with a solid line and flow rates outside of these ranges with a dashed line.For the most accurate pump
specification,use Orenco's PumpSelectf' software.
Pump Curves
500 400
PF10 Series,60 Hz,0.5-1.0 hp PF20 Series,60 Hz,0.5-1.5 hp
400 350 PF2015
PF1010
IR 350 --- -- ----
300
-- -PF1007 = PF2010
250
'O 250 , PF1005 'o
200
200 0
•5P
PF2005
15 E 1:
R
100 100
o w
-- - - - - - - - - -
50 50
0
0 2 4 6 8 10 12 14 16 18 0 5 10 15 20 25 30 35 40
Flow in gallons per minute(gpm) Flow in gallons per minute(gpm)
900
PF3050 PF30 Series,60 Hz,0.5-5.0 hp
800
700
C 600 10/10/25
PF3030 qr•.
500 "'
C1 400 PF3020 ... ...
�• ADAM IIUNTER .
�_ PF3010 rrc�u�i s�sFs:rj� � a '
PF3007
100 ........ ............ ..
PF3005 ��P�,(H
0 i¼ -
5 10 15 20 25 30 35 40 45 .
Flow in gallons per minute(gpm)
NTD-PU-PF-5 Orenco Systems®•800-348-9843•+1 541-459-4449•www.orenco.com
Rev.3®01/21
Page 4 of 5
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ORIGINAL LOT 1 LOT 2 IflbflflflhIflHflflHhIHRftHUftU
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118 1s SCALE-1" 30`
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DETAIL#2 11CGfiEti 1Sra;':yH�('R`
TANK DETAIL NO SCALE 4 Q
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ANOT PR 2 8 2S _ +
-RESTRICTIVE LAYER BELO1�V'31."-PRIMARY/19"-RESERVE -� THIS IS NOT A SURVEY: LJPlTY ENVIR0NP�ENTAL HErp'I T'
-FIVE TIMES RULE MET - / '° SITE SITE FEATURES,TOPOGRAPHY,ELEVATIONS AND BENCHMARKS ARE BASED ON ASSU 1 ,�pT��U
-NO WELLS WITHIN 100'OF DRAINFIELD' wM a°.,r+° PROVIDED BY THE OWENER AND COUNTY PLANNING RECORDS AND ARE INTENDED ONL R TI-IE I
-ELAPSE TIME METER AND EVENT COUNTER REQUIRED = REVIEW AND CONSTRUCTION OF THE PROPOSED SEPTIC SYSTEM DESIGN.JIM HUNTER&ASSOCIATES
Jj
-RISERS TO SURFACE REQUIRED OVER ALL TANK LIDS RECOMMENDS THAT A LICENSED PROFESSIONAL LAND SURVEYOR ALWAYS BE USED TO SET CORNER,
1O PROPOSED 4 BEDROOM RESIDENCE ESTABLISH LOT LINES,DETERMINE ELEVATIONS AND TOPOGRAPHYAND/OR PROVIDE A LEGAL SITE PLAN.
NAVD88 IS UNKNOWN
SOIL LOGS O EXISTING DRIVE SA"K A FEE MAY BE CHARGED AFTER INSTALLATION FOR FINAL INSPECTION&RECORD DRAWING
1) SANDYLOAM 0-31" 3 PROPOSED WELL aE�"° Wn"M n«�E°��
MOTTLED SILT LOAM 31"+ .�,�ss HEAD WEST ON SHELTON MATLOCK TO A LEFT ON HIGHLAND JIM g[JjvTER AND ASSOCIATES 4 PROPOSED STUBOUT/CLEANOUT(IE.-98.0) CONTINUE FOR 1.6 MILES TO SITE ON THE LEFT. P.O.BOX 162,OLY,WA 98507 753-1226 JHANOASSOCIATES@HOTMAILCOM
2) SANDYLOAM 0-31" „�
MOTTLED SILT LOAM 31"+ O5 PROPOSED 1200GAL.SEPTIC TANK(IN.EL.-97.5/OUT.EL.-97.2) DESIGNER-ADAM HUNTER
SEPTIC SYSTEM DESIGN FOR-
3) SANDY LOAM 0-24" O6 PROPOSED 1200GAL.PUMP CHAMBER(PUMP EL.-94.0) „°„ „ m °°" 1 DAHL PROPERTIES
MOTTLED SILT LOAM 24"+
4) LOAM 0-23" 7 500-1.25"PVC SUPPLY/RETURN LINES(SCH40) = '="°==""° „ µ� - SITEADDR-
XX HIGHLAND RD
MOTTLED SILT LOAM 23"+ Og PROPOSED DRIP DRAINFIELD
m
5) LOAM 0-19" '° m LEGAL- LOT 2 1 OF2
O9 PROPOSED OSCAR XO2 RESERVE AREA TPa SITE#
MOTTLED SILT LOAM 19"+ P"ewaaMeriem PIcn�J —i 520241350020
DRIP TRENCH PROFILE-NO SCALE -NO SCALE_
DRIP EMITTERS
FLEXIBLE CONNECTOR LINE
10/10/25
° 24"
FLEXIBLE CONNECTOR LINE
- - RETURN LINE-1.25"SCH40
fr1A SUPPLY LINE-1.25"SCH40
DALIJ.IWNTER
11t;1'rl;RlYi15Rt'v;+)f1:
w•.aesSC?I_- ij, 6,,
24"
-DRIP LINE TO BE INSTALLED 6"BELOW EXISTING GRADE AND 24"ON CENTER
DRIP LINESTO BE INSTALLED USING A NARROW SHOVEL OR TRENCHING TOOL I/2e FLE n PVC TU6!iC - -
DRIP LINES TO BE INSTALLED LEVEL AND PARALLEL WITH CONTOURS /f ('-6" MIN. TOTAL LZ 3TH'
-SUPPLY AND RETURN LINE IS 1.251N SCH40 TO BE INSTALLED 6"DEEPER THAN //f/jf ' ' / /f///f
DRIPLINE ON END OF DRAINFIELD fJ o /////---/ DRIPLINE
-AIR VACUUM BREAKER VALVE TO BE AT END OF SUPPLY
Filter fa
LINE AT HIGHEST ELEVATION IN VALVE BOX (Extend 6•% /- // i Pressure i /f/fj:
Pmt Riser] s/i//��- �-''.• :Gauge f/ffi 1..SCHEDULE 40 1/2 ' P1 X .APSE
FLEXIBLE CONNECTING TUBE TO BE BETWEEN DRILINE AND SUPPLY LINE RA 15$ MALE s DAPTER
AIR VACUUM BREAKER TO BE AT END OF RETURN FLUSH LINE AT HIGHEST TO Tank♦ i ♦ From Fietd�
ELEVATION IN VALVE BOX % Me6erfor jyt�//j� 1j2 FPT PVC ADAP a ER
,i/ - 'Reclaimed Water%/j ;//�J 1"SCHEDULE 40
-FLEXIBLE CONNECTING TUBE TO BE BETWEEN DRIPLINE AND FLUSH RETURN LINE �jj r /////ii -� i�- �,1��=-!S
EARTHEN DAMS TO BE CONSTRUCTED AT END OF EACH LATERAL TO PREVENT DRAINBACK � ♦ I I To FieldDRII3L_Ii�JE*
DRIPLINES:NETAFIM BIOLINE SELF CLEANING PRESSURE COMPENSATING EMITTERS APSI �
-PUMP MODEL:ORENCO WELL PUMP PF1007 U 4 Gauge Unloni//
CHECK VALVE AND HIGH LEVEL ALARM REQUIRED IN PUMP TANK /j ("SCHEDULE 40 t3
-TIME DOSING OF DRIP SYSTEM REQUIRED AT 12 TIMES EVERY 24 HRS(40 GAL.DOSE) //
�% €7 ♦ From Pump LOOP CONNECTION
DOSE COUNTER AND ELAPSE TIME METER REQUIRED r �1
ALL VALVE BOXES TO BE ACCESSIBLE TO SURFACE /j//� /%j��1•Tech F�tlt j j j /�/4 Diarnete �
RibbedRi Riser
RISERS REQUIRED OVER ALL TANK LIDS
FOWLER CONTINUOUS FLUSH HEADWORKS REQUIRED !
VACUUM BREAKER VALVE:NETAFIM 1 INCH COMBINATION#65AR1B1
USE"T"TO"T"CONSTRUCTION CONTINUOUS FLUSH HEADWORKS FROM HD FOWLER
HEADWORKS SETUP INSTRUCTIONS
1.Flush the entire piping network by running the pump for several minutes with the field flush valve open.
2.With the pump still running slowly close the field flush valve.Once the needle on the pressure gauges
stabilize,record the pressure on gauges and flow rate through the flow meter for one minute.This will JIM HUNTER AND ASSOCIATES
be the actual dose flow rate in gpm needed for the timer settings.
3.Next,calculate the flushing flow rate by multiplying the number of supply manifold connections by 1.6 gpm. P.O.BOX 162,OLY,WA 96507 753-1226 JHANDASSOCIATE5@HOTMAILCOM
Add the dosing flow rate from step 2 to the flushing flow rate.This new accumulative flow rate is the minimum DESIGNER-ADAM HUNTER
flow rate needed to achieve adequate scouring velocity in the entire system when system is dosed. SEPTIC SYSTEM DESIGN FOR-
4.While the pump is running,open the field flush valve slowly until the return pressure gauge reads 10 psi.
5.Now record the flow rate through the flow meter.It should be greater than the new accumulated flow rate DAHL PROPERTIES
required in step 3.More is better. SITEADDR-
XX HIGHLAND RD
LEGAL- LOT2 20F2
TP# SITE#
520241350020i