HomeMy WebLinkAboutSWG2026-00233 - SWG Application / Design - 7/28/2026 MASON COUNTY 415N6THELTON , 0427-9 70,ENT 400
SHSTREE 360-42TON, EXT400
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: SWG2026-00233
APPLICANT WOLF NATHANIEL E &ALLYSA L Phone:
Address. PO BOX 707 UNION, WA 98592
OWNER WOLF NATHANIEL E &ALLYSA L Phone:
Address: PO BOX 707 UNION, WA 98592
SEPTIC DESIGNER PAULA JOHNSON* Phone: 360-898-2255
Address: 171 E VUECREST DRIVE UNION, WA 98592
Site Address: 221 E Linda Vista Ct
Primary Parcel Number. 322325500027
Permit Description: 3BR Oscar at grade w/Nuwater BNR 500
Permit Submitted Date: 07/28/2026
Permit Issued Date: 09/04/2026
Issued By: Jeff Wilmoth
Current Permit Fees Paid. $570.00 (additional ees may be required upon installation ofsystem)
Permit Expiration Date: 08/13/2029 (based on dare or inspection/
Permit Conditions.
1 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 Full GEO report will be required for the proposed home
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/environmentallonsite/oss-inspection-request.php or call:
360-427-9670,extension 400.
USE( JY
MASON COUNTY ° O1 ( f C N
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ON-SITE SEWAGE SYSTEM APPLICATION
Veronica
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Littleraven - skylar4896@yahoo.com (405)795-2836 z
H!LADDRESS sRr rCT , .L.<,-COD
20 NE Roessel Rd, Trlr 37 EIT , Belfair WA 98528 ° m
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221 E Linda Vista Ct ✓ Union WA 98592
NAME SG . _. R ONE (D N
Arrow Septic Designs, Inc psiF F360 898-2255
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WN WCONSTRUCTION]UPGRADES fl:4EPAIR:REPLACEMENT 01 5RD se.c-35 lha apIyI ❑ —A6LE%REPAIR � (n
❑ S R NG SEWAGE 0 EXISTING FAL 'RE ❑SHOREUNE
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Head toward W Alder St and turn (R). At the traffic circle, take the 3rd exit and go up the I o
hill. When you come to the traffic light, take a slight (R) onto E McReavy Rd. Turn (R) onto r
E Wondervue Dr. Turn (L) onto E Linda Vista Ct. Destination on (L)just before #231.
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SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WIIN TEST HOLE NUMBERS.
._ O 1K US ON'1 BEWV.'HISLE:F
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❑VOLUNTARY ❑NI V NANOEP:VP.NG O BuILDING'ERMI ❑HOME SALE ❑GDMP AINT D0THER-
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COR NATURE �- ��L ECOA ONDSTc A IVII!01 9CSUED by
T IB MAY BE SCANNEDANOAVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised 1411412025
DESIGN FORM—PAGE ONE Assessoi s Parcel Number- 3 2 2 3 ? - 5 5 - 0 0 0 2 7
A design will be reviewed when 3 co pi of each of the following S ca are sled lab load:sketch,including all apph.l hie itemson checklist.Completed design c that has be signed ant.dated.
Staled plot plan. including all app 1 dale items on checklist. °Cross-section sketch in,:Iudinn all applicable item checklist.
This form may be scanned and available for public new on the Mason County Web site. A1ax to of sec I1 l l
... � �-�] ] l- Sane Arrow Septic Despns InC
PermitAumber. SWWC' P -- O10 Desle rer sNPate:one Number: (360)898-2255
ApplicanCs Name: Veronica Lnleraven 171E Vuecrest Dr
20 NE Roessel Rd Trlr#37 Designer's Address.
Mailing Address: or WA 98592
3 luau WA 98528 Cit} State Zip
Cite State Zip Designer's Email P
aulal@hctC COM
DPSIf+TrPxtl$K't�E'fERS
Treatment Device
wa er ea-scp O ,1th009¢1 pre-trash
0 C -nnnn ❑ Sand LIB Mound ❑Sand L .:Limed ht e:d ❑ Recirculating Filter C1D ^ , uu — p qq
Treatment Level(chock ail,tat tip ) E A ER C C RI.) = R].2 BLo 7 li -d A' 4
Drainfield Type pf Sub Surface Drip
Gravity Pressure ❑Trench ❑ Be'
Septic Tank/Drainfield Specifications
Laterals
Number of Bedrooms
3 Schedule Class Netafim .42 gph
Day Flow: Op€¢Ling Capacity 270 epd
Length 5' coil -25' long ft
Daily 1-100': Design Plow
360 opd Diameter .66 in
Septic Tank Capacity (worine)
NuWater BNR-500 gal Number 8 coils
Receiving Soil Type f I-bj
4 Separation .5 f4
Receiving Soil Appl. Rare 0.6 gpd'I Orifices
Required Prima Area
600 112 Total Number of Orifices 50 x 8=400
Designed Primary Area 614 ie Diameter emitter in
Designed Reserve Area
614 ftt Spacing 6 in
Trench.Bed Width 13.5 ft Manifold
Trznch:Bed Length
45.5 ft Schedule.C,as 40
Elevation Measurements
Length 45 ft
15 0h Diameter I in
Ooginal Drainfield Area Slope �°
Vcw Slops if Altered 15 % preferred manifold configuration used'? C�' e5 ❑No
Depth of Excela:on F 0 in Transport Pipe
front Original Grade Co.Alsl.n- 0 in Schedule/Class 40
Designed Vertical Separation
18+ in Length 20 ft
✓ P Diameter 1 in
Gravel-baszd Drainfield Required? ❑ Yes ❑'So SJIN
Pump Required? R1 4cs ❑No Dosing and Pump Chamber
Pump/Siphon Specifications
S umber of doses day 350
_ 'al
Duff,inElevation Between Pump& Lppermos[Orifice Dose quanta) I'035 ft
Chamber Capacity (flood) 1,000 cal
Draivficld Squirt H — II Height/Selected Residual(head) Pump controls:Pleue check those required.
Uppermost Orifice 3d Higher ❑Lowe:than PumpSShutoffCapacity( 9.2
a`;Total Pressure Headgnat l� Timer ❑ 2 see Meter OvEvent Counter
2 sec Pum off 3 min-44 sec
Calculated Total Pressure Head 6.0 ft t11.Tin er: R, n p
(' rt
Comments
""rl gn20
i Revised:4/14/2025
I tart e .a�x�
DESIGNFORM—PAGE TWO Assessor's Parcel Number. 3 2 2��3�2 -- 5 5 — 0002L
0 2 7
Permit N umber: SWGC7�-SrL=� �
7Ee
Glt7 CHECKLLSTS :
out Sketch Cross Section Sketch
Scaled Plot Plan >'
Test hole locations eld orientation and layout Reference depth from original grade:
56 Soil logs /bed dimensions and fib septic tank
Property lines
distances within layout Drainfield cover
o Existing and proposed wells
Vah'e box locations Reference depth fromoriginal glade
within 100 h of property tanu'pmn chamber a^.drestrictive strata:Measurements to cuts-banks. and ns fid Laterals,trench'bed top and
surface water and critical areas (Z Observation port location bottom
O Curtain dram collector
❑ Location-and orand all bn of ClManifold
lacemn ❑ Sand augmentation
curtain drain and all absorption (� Manifold olacemen[
components fd Orifice placement Other cross-section detail:
9 Location and dimension of fi'j Observation ports/clean-outs
Lateral placement with distance
primary system and reserve area to edge of bed Other Information
Building 66 Audibletvisual alarm referenced Yes No
E6 Direction of slope indicator Scale of drawin,,shown on scale O Design staked out
Roads,
;,+Ip O Cd Recorded Noache attached
21 Roads, easements.drives PusNYJ`_ j and ❑ El Waiver(s)attached
e tt b c relative 9 ❑ Pump curve attached
parking Gel gatitlilS.of sv components ❑ fi�Evaluation of failure
9 North arrow and stale do 9 CC�B�r
shown on scale bar - -r rl Non-residential justification
❑ 56 Waste strength
it l�9 -4 ❑ le Flow
ALA„ . OVAL
L�J s
The undersigned designer must be notified by e &b�95[al lation Ye 0 No
P
Siptnatu „ ??FS: .NpR:- Date
s ice».kcoy
The undersigned has reeiewed this design on behalf of Mason County Public Health and determined it to be in
compliance with state and local o ite reulations:
v
Em' on . I Health Specialist Dale
CAUTION: DESIGN APPRO 'AL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped Approved'by Mason County Public Health. pi._1.3 -z1
✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is:
✓ 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:1!I4 ?0??
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NuWater ATU Pretreatment to OSCAR at-grade drip design Calculations
Friction Loss Calculations:
F = L(0/K)'85
F=friction loss through pipe in feet of head
L= length of supply line in feet
Q= Flush GPM
K=47.8 (1" sch 40 PVC pipe)
Table XV
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240 5 5 1 1.75 9.75 50'
360 8 4 2 2.8 9.2 50'
480 10 5 2 3.5 11.5 50' —�
600 12 3 4 4.2 9 50'
Coils must be arrangec ir.a single I:ne
F= 20 (9.2/47.8)1as
F = 1.0
Total Design GPM= Flush GPM =9.2
GMP discharge at Drainfield = .42 gph/60 min per hour x 50 x#Coils= .35 GPM x#Coils=2.8 GPM
Total Head= Friction Loss+ Elevation from Pump Tank to OSCAR Coil Drainfield
Total Head= 1.0+5=6.0 (6.0<50 excess TDH—OK)
Dose Volume= .35 GPM x 8 coils/22 sec(per manuf.) x 60 sec per min = 1.03 gallons per dose
Timer Settings: set at 360 GPD
360/1.03 gal per dose= 350 doses per day
1,440 minutes per day/350 doses per day=4.10 min per dose cycle (incl. on&off)
On Time =gallons per dose/gallons per minute .�_•
On Time= 1.03/2.8 GPM= .368 min =22 seconds e `Fsr i•
or • �P s
Off time=4.1 min—.368 min = 3.73 min=3 minutes&44 seconds s!�
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OSCAR at-grade drip design Calculations
Basal Area Calculations:
Base Design Criteria: 360 gpd design flow,soil type 4 (0.6 gpd/ft2), sloped site (>5%slope)
Basal area required=daily design flow:soil loading rate
360 gpd.0.6 gpd/ft2=600 sq. ft.
Coil length=8 coils @5 diameter(8 x S'=40')with 6" coil spacing 7 x 6" =3.5' =43.5'
Minimum shoulder width @6" (2 x 6" = 1')= 1'
Minimum side slopes at 1 : 1 slope @ 6" (2 x 6" = 1')= 1'
Minimum basal area length=coil length+ shoulder widths+side slopes =43.5'+ 1'+ 1' =45.5'
Basal area width= required basal area+minimum basal length=600 sq.ft.+45.5'= 13.19'or 13.5'
Basal area dimensions=45.5'x 13.5' (614 s.f.)
Media:
OSCAR drainfield:ASTM C-33 sand media: as per Washington Department of Health's Recommended
Standards and Guidance for Intermittent Sand Filters.
Supplies/Control Panel:
• Order NuWater-O kit that does not come with a control panel
• Control panel comes with Oscar Kit to serve both the NuWater and the Oscar
OSCAR authorized dealer supply kit contact info:
• H.D. Fowler(Tumwater) phone: (360) 459-7300
• Ferguson Waterworks(Silverdale) phone: 360-697-1510. O �I�
cont.• I Waterworks (Tumwater) phone: (360) 539-7518 r 3°p
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LOWRIDGE ONSITE TECHNOLOGIES ' DRAWING ID'.SSCARdI SCALE:NTS
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LOWRIDGE ONSITE TECHNOLOGIES, LLC
LOT-HWN-.7-CON
Manual Flush Headwork
II' .75" MANUAL DISC FILTER
PRESSURE GAUGE DF75-120 III
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speciicaons: (RETURN) (SUPPLY)
Flter.
-Mesh:120 mesh(130 micron)
-Fitter Body ings and Covey Reinfcrcetl Polyzmide•Disc s an sea. K efle
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-O-Rings and Seals Bodle 8 airs
Clamps,Spring and Saks:St6inless Steel Gx0.
-TemPerzture Range:-40°-160°F t-4o°-T0°Cj•Maximum Pressure:1 a0 Psi(9.65 bar)
-Meter:
-Sae:34 Composite Plastic
•Register:Includes reed sw!tch and measures in' gallon per pulse Increments III
•Maximum Pressure:145 psi(10 bar)
Gauges:
.F-1000 psi range(l-6.9 bar)-Y Ilycen^.`illec
III •Mlet Range:2- S GPM
I OAPressure:100 osi(6.9 bar)
III •InletlOWet P.pe&Dieter:1 1S 4C PVC
Valve Box:
•NDS Pro Series rectangular 14°x 19"valve box w!th oott down cover
Ordering In omiaton:
Made!Number.LOTHWN-.7CON
Description:Manual Flush HeadwOM
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NUWATER BNR-500 DETAIL ENVIRO-FLO, INC.
WITH EXTERNAL TRASH TANK
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Wastevreter Treatment Technologies
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A.DUAL PORT AERATGR 64.POLY Dff?U6ER SAR(Z
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SUBMITTAL INFORMATION
Pc eed �:Don cvS er≤�bie no tors
Reinfossse — mp sn ! d . ?sda- t 7 rs
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- Thermoplastic intake screen and cable guar
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Page 3 of
A ?r.
a't cw Septic IDeaigno
NuWater BNR Pretreatment .i a°7
INSTALLATION & MAINTENANCE Qom* P"m vv o «stu
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OSCAR At-Grade Drip Distribution Systems
- 2f-2SP
I. Installers must attend OSCAR training and be certified by Dave Lowe at Low Ridge
Technologies (www.lowridgetech.com)prior to installing this system.
2. Installers must attend NuWater training and be certified by Nathan Ek at Ek Engineering
(www.ekengineering.net) prior to installing this system.
3. OSCAR supply kits are available through H.D. Fowler, contact Dennis Groff, phone: 1
(800) 927-5699 or Ferguson Waterworks (Silverdale) contact Zach or Daryl 360-697-
1510. Control panel will be pre-programed by supplier.
4. Order NuWater-O kit that does not come with a control panel. Control panel comes with
Oscar kit from suppliers above.
5. OSCAR Sand media must meet or exceed ASTM C-33 standards.
6. Install drainfield level with contour of the ground.
7. Install drainfield during dry weather and soil conditions; any soil smearing must be
eliminated by hand raking.
8. Tanks must have risers to the surface as required by Mason County to ensure easy access
for future operation and maintenance.
9. Headworks must be in boxes accessible from the surface for future operation and
maintenance.
10. Ensure any trees and shrubs are removed, grass is cut short and then scarify surface of
ground in drainfield area to prep for drainfield.
11. Ensure 6"minimum cover sand media over the drip irrigation robing.
12.Install audio/visual high-water level alarm. Redundant off switch not required.
13. Install return line from headworks back into the pump chamber.
14. Encase all water lines within 10' of drainfield and under any driveway/parking areas.
15. Divert all storm water runoff and house downspouts away from on-site sewage system.
16.No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge
of the drainfield and reserve area.
17. Inspect floats, clean filters, and test high water level alarm every 6-12 months as needed.
18. All materials and workmanship must meet County and State regulations.
19. Deviation from this design without prior approval from the Designer and Mason County
Environmental Health Department will make this design null and void.
20. All manhole lids and access, sampling or inspection pons must have locking covers and
be located at ground level.
21. All transport lines under driveways or parking areas must be encased to prevent crushing.
22. The preferable cover planting for subsurface drip is turf or grass. It is recommended to
spread a thin layer of straw upon completion of the drainfield to prevent erosion and then
seed with grass immediately.
23. The homeowner should ensure no vehicle traffic, roto-tilling or digging in the area of the
drip field to prevent damage to the drip tubing. Also, invasive plant species should not be
allowed.
24. Homeowner is responsible for all property lines.
25. Owner Please Note: When you begin using your septic system, contact your septic
installer to discuss setting up a schedule for your required Operation&Maintenance.
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