HomeMy WebLinkAboutSWG2025-00303 - SWG Application / Design - 7/30/2025 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584
SHELTON:360-427-9670,EXT 400
enliPt 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: SWG2025-00303
APPLICANT HOHMANN LEONARD A& KARRI L Phone: 360-710-1446
Address: 18311 E STATE ROUTE 106 BELFAIR, WA 98528
OWNER HOHMANN LEONARD A & KARRI L Phone: 360-710-1446
Address: 18311 E STATE ROUTE 106 BELFAIR, WA 98528
SEPTIC DESIGNER BOB PAYSSE* Phone: 360-507-1498
Address: 3083 E Mason Benson Road GRAPEVIEW, WA 98546
SEPTIC INSTALLER TBD Phone:
Address: 123 XXX XX, XX. 00000
Site Address: 18300 E State Route 106
Primary Parcel Number: 222121190091
Permit Description: 2BR ADU -Gravity
Permit Submitted Date: 07/30/2025
Permit Issued Date: 09/08/2025
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $555.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 09/04/2028 (based on date of 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.
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
M. :. MASON COUNTY DATE RECEIVED: O1 - 3 0 . 25
c U)
AMOUNT RECEIVED 55�I RECEIVED BY:(/'v CO m Public Health & Human Services hJ o cn
Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 /� \ C
415 N.6th Street-Shelton,WA 98584 S W G ..! O).�^ — 0�\X3c 3 c 2
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ON-SITE SEWAGE SYSTEM APPLICATION
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APPLICANT PHONE m
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LEONARD & KARRI HOHMANN f�1 z
18311 C
MAILING ADDRESS
STATE.-STREET CITY. CODE
STATE ROUTE 106 VJ N B LFAI R WA 98528 m
SITE ADDRESS-STREET.CITY.ZIP CODE 0
18300 E STATE ROUTE 106 0 o B LFAIR WA 98528 IN)
NAME OF DESIGNER MA ,7 P NE N
ROBERT H. PAYSSE = 60-426-1803
NAME OF INSTALLER Pi NE v
IN
TBD o a
PERMIT TYPE(select one) DRINKING WAI R SOURCE O
fif RESIDENTIAL OSS COMMUNITY OSS ECOMMERCIAL OSS lir PRIVATE INDIVIDUAL WELL IZ PRIVATE TWO-PARTY WELL Z N
TYPE OF'AORK(select one) a PUBLIC WATER SYSTEM 1
7) NEW CONSTRUCTION/UPGRADES REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) ❑ TABLE X REPAIR
SUBMITTALS 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE CO
DESIGN FORM(REQUIRED) FfiSEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/1/2025? 0 I —
I
6WA;VER(S)(IF APPLICABLE) 2 6.06 0 YES El NO (� 1
CD
DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate)
FROM BELFAIR, OUT STATE ROUTE 106 TO SITE ADDRESS 18300 ON LEFT 1 o
(NON-WATER SIDE). CONTINUE UP DRIVEWAY TO GARAGE LOCATION AND TEST o I o
HOLES. -1
Ico
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE/FAILURE SOURCE(for reporting purposes)
0 VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT 0 HOME SALE ['COMPLAINT 0 OTHER:
INSPECTOR SOIL LOGS COMMENTS/CONDITIONS
( 1L?L
S 6L
RECORD DRAWING AND INSTALLATION REPORT
SOIL CODES:
V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL.
IN CTOR SIGNATURE DATE'APPLICATION EXPIRATION DATE APPLICATION APPROVED/ISSUED BY DATE
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,..,),,..
T IS F 44'
AY BE SCANNE
D AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025
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DESIGN FORM—PAGE ONE Assessor's Parcel Number: 2 2 2 1 2 — 1 1 — 9 0 0 9 1
A design will be reviewed when 3 conies 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 may be scanned and available for public view on the Mason County Web site.Maximum paper size. II"X 17"
PARCEL IDENTIFICATION _
Permit Number: SWG goa..6.' 00333 Designer's Name: ROBERT H.PAYSSE
Applicant's Name: LEONARD&KARRI HOHMANN Designer's Phone Number: 360-426-1803
Mailing Address: 18311 E STATE ROUTE 106 Designer's Address: 3083 E MASON BENSON RD
BELFAIR WA 98528 City State Zip GRAPEVIEW WA 98546
City State Zip Designer's Email pioneerdigging@yahoo.com
DESIGN PARAMETERS
Treatment Device
0 Glendon Cl Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter 0 ATU U Other
Treatment Level(check all that apply): O A ❑ B 0 C 0 BI,I ❑ BL2 ❑BL3 M E El N
Drainfield Type
'Gravity 0 Pressure It 'Trench 0 Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 2 Schedule/Class 2729 PERF
Daily Flow: Operating Capacity 180 gpd Length 45 ft
Daily Flow: Design Flow 240 gpd Diameter 4 in
Septic Tank Capacity(working) 1200 gal Number 3
Receiving Soil Type(1-6) 4 Separation 10 ft
Receiving Soil Appl. Rate 0.6 gpd/ft2 Orifices
Required Primary Area 400 ft2 Total Number of Orifices -
Designed Primary Area 405 ft2 Diameter - in
Designed Reserve Area 405 ft2 Spacing - in
Trench/Bed Width 3 ft Manifold
Trench/Bed Length 135 ft Schedule/Class 3034
Elevation Measurements Length 20 ft
Original Drainfield Area Slope 6 % Diameter 4 in
New Slope,If Altered 6 % Preferred manifold configuration used? Lt�Yes 0 No
Depth of Excavation Up-slope 12 in Transport Pipe
from Original Grade Down-slope 10 in Schedule/Class 3034
Designed Vertical Separation 36+ in Length 80 ft
Gravel-based Drainfield Required? El Yes 0 No Diameter 4 in
Pump Required? 0 Yes litfNo Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day -
Diff. in Elevation Between Pump&Uppermost Orifice - ft Dose quantity - gal
Drainfield Squirt Height/Selected Residual(head) - ft Chamber Capacity(flood) - gal
Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head - gpm 0 Timer 0 Elapse Meter 0 Event Counter
Calculated Total Pressure Head - ft If Timer: Pump on - ,Pump off -
Comments APPROVE : :,.
11 SEP 0 8 2025 ' `
MASON COUNTY ENVIRONMENTAL HEALTH Revised:4/14/2025
JBW
bESIGN FORM—PAGE TWO Assessor's Parcel Number:2 2 2 1 2 — 1 1 -- 9 0 0 9 1
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
Eti Test hole locations lit( Drainfield orientation and layout Reference depth from original grade:
g Soil logs It Trench/bed dimensions and g Septic tank
g Property lines critical distances within layout g Drainfield cover
611 Existing and proposed wells L D-Box/Valve box locations Reference depth from original grade
within 100 ft of property g Septic tank/pump chamber and restrictive strata:
121 Measurements to cuts,banks,and locations II Laterals,trench/bed,top and
surface water and critical areas g Observation port location bottom
g Location and orientation of Z Clean-out location 0 Curtain drain collector
curtain drain and all absorption g Manifold placement 0 Sand augmentation
components 0 Orifice placement Other cross-section detail:
Location and dimension of lif Lateral placement with distance t Observation ports/clean-outs
primary system and reserve area to edge of bed
g Other Information
O Buildings g Audible/visual alarm referenced Yes No
fill Direction of slope indicator 121 Scale of drawing shown on scale d 0 Design staked out
Iii Waterlines bar 0 M Recorded Notices attached
g Roads,easements,driveways, p Elevation benchmark and relative 0 g Waiver(s)attached
parking Atilt?'lit0 Tile: 0 gPump curve attached
g North arrow and scale drawing �, 0 g Evaluation of failure
shown on scale bar a• Non-residential justification
SEP 0 8 2025 n, ❑ l Waste strength
MASON COUNTY ENVIRONMENTAL HEALTI- ❑ I'Flow
DESIGN aLBW VAL
The undersigned designer must be notified by(24 insc at time of installation g Yes 0 No 4*7/-
-7 (7,0//2..>__
lrilA-
Signature o Design Date
The undersigned has reviewed this design on behalf of Mason County Public Health and determined it to be in
compliance with state and local on-site re u . ins: I
P g i l g 25
Environme tal v. Specialist Date
CAUTION: DESIGN APPROVAL 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: 9 t7 --,
✓ 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
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MASON COUNTY ENVIRONMENTAL HEALTHI
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PIONEER DIGGING, INC. CUSTOMER: LEONARD HOHMANN TEST HOLE I: TEST HOLE 2
PARCEL#:29917-11-90091 048 Gil./ROOTS @ 48 0-54 GSI.
48+CO\IPAC HON ROOTS @ 54
SEPTIC DI K,NS ADDRESS: 18300 STATE RT 106 55 ±GR\\H.\II A RI lD IH @ 54
DESIGNER: ROBERT H.PAYSSE DISCLAIMER:THIS IS NOT A SURVEY.REFERENCES INCLUDE.APPLC TKOUNTY PROVIDED
3083 E.MASON BENSAJN R.D. C;RMEVIEW,WA 98D4Cl PLATS OR SURVEYS.FIELD MEASUREMENTS AND COUNTY GIS DESIGN INTENDED FOR SEPTIC
OFFICE-360-426 I803 FAX-360-427-2353 \ 1 =^ EPARTMENT AG ENCY RENEW LESIGNER N OT RESPONSIBLE FO SETBAC STUN ELATED TO
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SEPTIC COMPONENTS
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PARCEL t..29917-11-90091 43c:)t.iRags@48 0-54 SI.
48+COMP\C t10N KOOIS @ 54
SL-I'I IC DESIGN ADDRESS: 18300 STATE RT106 55%±GR\\II.WI.\AIM1) III@54
3083 E.MASON BENSON RD. GRAPEVIEW,WA(� DESIGNER: ROBERT H.PAYSSE DISCLAIMER:THIS IS NOT A SURVEY.REFERENCES INCLUDE APPLICANT/COUNTY PROVIDED
98546PLATS OR SURVEYS FIELD MEASEREMENTS ANC COUNTY GIS DESIGN INTENDED FOR SEPTIC
OFFICE•360-426-1803 FAX 360 427 2353 \ * BJECT TO OTHER
DEPARTMENT/AGENCY RENEW DESIGNER NOT RESPONSIBLE FOR SETPURPOSES ONLY PROPOSED DEVELOPMENT MAY BE BACKS UNRELATED TO
HEFT: DF DETAIL SCALE 1 SEPTIC COMPONENTS
OBSERVATION
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SEP 0 8 2025
MASON COUNTY ENVIRONMENTAL HEALTH
RISER/LID JBW
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CUSTOMER: LEONARD HOHMANN TEST HOLE I: TEST HOLE 2:
PIONEER DIGGING, INC. PARCEL 27919 ll-90091 0-ti I'R�IVN �� ROOI S(54
SEPTIC DESIGNS \DDRESS: 18300 STATE RT 106 5', ±GR.1\LI.\1LCARI D Tl1 C 54
3083 E MASON BENSON RD. GRAPEVIEW,WA 98546 DESIGNER: ROBERT H.PAYSSE DISCLAIMER TN IS NOT A SURVEY.REFERENCES INCLUDE APPLICANT/COUNTY PROVIDED
PLATS OR SURVEYS.FIELD MEASUREMENTS AND COUNTY GIS DESIGN INTENDED FOR SEPTIC
OFFICE-360-426-1803 FAX-360-427-2353 PURPOSES ONLY PROPOSED DEVELOPMENT MAY BE SUBJECT TO OTHER
SI I I I T: DF DETAIL(2) SCALE NA DEPARTMENTIAGENCY REVIEW CESIGNER NOT RESPONSIBLE FOR SETBACKS UNRELATED TO
SEPTIC COMPONENTS
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Installation & System Notes
1. Installer must contact designer for final inspection of the installation prior to cover. All components, including tanks, lids,
transport line, drainfield, and water lines must be open for inspection. A$350.00 fee will be charged for time involved with the
inspection of the installation and creation of the record drawing. The designer reserves the right to charge additional fees if
multiple visits are needed due to installation errors or inaccessible components.
2. This septic design must be installed by a certified installer with the local health department. All components shall be installed
according to state, county, and manufacturer requirements. For Homeowner Installs,the owner must get approval from the
designer and local health department prior to attempting installation.
3. Designer is not a surveyor. Installer must familiarize themselves with property line locations prior to installation. Any
confusion or conflicts with line locations should be reported to the property owner. A licensed surveyor may be necessary prior
to installation to confirm all line locations. Any discrepancies found must be reported to the designer immediately.
4. Drainfield area may only be cleared by a licensed installer familiar with sensitive drainfield area preservation. The builder, lot
developer, or property owner shall not clear the drainfield area. Any clearing required for drainfield installation shall not
remove or disturb any top soil in Primary and Reserve areas. Removal or disturbance to drainfield soils could render design
void.
5. The property owner and installer are responsible for locating all underground utilities (ex. water,gas, electric) prior to
installation. Any utility locations shown within design drawings are likely approximate and may not be exact.
6.All proposed tanks must be installed on original soils or compacted gravels. Extend all tank connection lines out onto original
soil to avoid settling issues. Risers and lids must be brought to finished grade and left accessible for future operations and
maintenance. Component manufacturers (ex. ATU,Glendons,) may have other requirements not listed within this design.
7. All electrical wiring shall be done by a licensed electrician or homeowner(if allowed) and must be permitted through Labor
and Industries. Designer not responsible for electrical permitting or other electrical specific code requirements.
8.The proposed septic system should be installed in dry weather conditions. Any failed attempts at installation during wet
weather conditions may render this design void.
9. Maintain loft to waterlines with all septic components. If less than 10ft is required,sleeving in sch. 40 pvc is required. If
sewage transport lines and waterlines must cross, waterline must be 18" above sewage line with one of the lines sleeved in sch.
40 pvc loft in each direction of crossing.
10.This design may include waiver applications with specific mitigation measures pertaining to installation, operation and
maintenance of the proposed components.
11. Stormwater runoff,footing drains, roof drains must be diverted away from any septic system components. No curtain,
foundation, perimeter drains shall be installed 30ft downslope and 10ft upslope of drainfield areas.
12. This design is site specific and intended to meet state and county requirements that are related to the system components
being proposed. Any placement of proposed buildings, proposed wells or other non-related items on these drawings may or
may not meet other requirements.
13. All onsite septic systems require regular maintenance to verify satisfactory operation. The system owner/operator is
responsible for the continuous operation and maintenance of the system per WAC 246-272A. For operation and maintenance
information, refer to Mason County Public Health Homeowner's Manual,which should be received after installation approval.
14. System owner should be cautious of landscaping around septic components. Root intrusion
can cause premature failure of the drainfield area. In addition, bushes and trees should be kept
away from lids and other septic maintenance points.
15. Changes made at time of installation may impact designer calculations, pump sizing,and I
compliance w/county and state requirements. Contact designer prior to install w/any
proposed variations from design. Changes may result in additional fees and permitting. ,,s,,�t ,
PIONEER. DIGGING, INC.
CUSTOMER: LEONARD HOHMANN • 111
PARCEL#:22212-11-90091 s;co3,7
c3: seec-nT r, sursse lam•.
SEPTIC DESIGNS -1DDRE Avow;• I/SS: I8300 STATE RT I06 ' :b
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3083 E MASON BENSON RD. GRAPEVIEW,WA 98546 DESIGNER: ROBERT H.PAYSSE EXPIRES
OFFICE-36(}426-I803 FAX-360 427-2353 SI 11.I l: NOTES SCALE NA