HomeMy WebLinkAboutSWG2025-00399 - SWG Application / Design - 10/20/2025 MASON COUNTY 415 N 6TH STREET, 0427-9 N,WA 98584
SHSTREE ,S 42TON, ,EXT 400
584
irigt, 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: SWG2025-00399 �pV
APPLICANT MAYO RICHARD R & MEGAN R Phone: 360-550-7958
Address: PO BOX 3233 BELFAIR, WA 98528
OWNER MAYO RICHARD R & MEGAN R Phone: 360-550-7958
Address: PO BOX 3233 BELFAIR, WA 98528
SEPTIC DESIGNER BOB PAYSSE* Phone: 360-507-1498
Address: 3083 E Mason Benson Road GRAPEVIEW, WA 98546
Site Address: UNKNOWN
Primary Parcel Number: 221041150092
Permit Description: New 3bd pressure sandlined trenches
Permit Submitted Date: 10/01/2025
Permit Issued Date: 10/20/2025
Issued By: Rhonda Thompson
Current Permit Fees Paid: $555.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 10/15/2028 (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 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--
04,4.1 . MASON COUNTY DATE RECEIVED I - - �
U O( 0• . C Cn
AMOUNT RECEIVED RECEIVED BY: COm
�_= Public Health & Human Services 11655 DQp P olf t g cn
Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 < o
415 N.6th Street -Shelton,WA 98584 S W G a`�a6 - ()( 19 O 73
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ON-SITE SEWAGE SYSTEM APPLICATION D
M n
m m
APPLICANT r—\ PHONE r
RICHARD MAYO / ...,..
_MAILING ADDRESS-STREET,CITY.STATE,ZIP CODE \V! w./PO BOX 3233 �, ;7BELFAIR WA 98528SITE ADDRESS-STREET.CITY.ZIP CODE
XXX E ROOS CT ' o GRAPEVIEW WA 98546 I N
NAME OF DESIGNER /ss. PHONE N
ROBERT H. PAYSSE �i2 &,...) 360-426-1803
NAME OF INSTALLER Q PHONE a
TBD m� r I CDPERMIT TYPE(select one) DRINKING WATER SOURCEo
..�,r
1� RESIDENTIAL OSS nr COMMUNITY OSS Ifl COMMERCIAL OSS I5 PRIVATE INDIVIDUAL WELL M- PRIVATE TWO-PARTY WELL Z I -
TYPEt OF WORK(select one)
K1
I PUBLIC WATER SYSTEM
NEW CONSTRUCTION/UPGRADES REPAIR I REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE X REPAIR —'
SUBMITTALS El SURFACING SEWAGE El EXISTING FAILURE El SHORELINE COMI
LJv DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER4/1/202V r
O 5WAIVER(S)(IF APPLICABLE) 3 5.1 El YES 0 NO n I
Ul
DIRECTIONS TO SITE AND SITE CONDITIONS.(ex locked gate)
N. HWY 3. LEFT ON MASON BENSON RD. CONTINUE PAST FIRESTATION AND TURN I o
LEFT ON ROOS CT. CONTINUE TO SITE ON LEFT AFTER ADDRESS 51, SEE SITE b I o
PLAN & USE TRAIL DOWN TO TEST HOLES.
Ico
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I N
- OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE I FAILURE SOURCE(for report,ng purposes)
0 VOLUNTARY 0 MAINTENANCE/PUMPING ❑BUILDING PERMIT ['HOME SALE ['COMPLAINT 0 OTHER:
INSPECTOR SOIL LOGS i` t —k 1 ([ p I t tc,- ( 5 t / S COMMENTS/CONDITIONS
t : 0 — 2, L- 124;&c ( .S \ O1'e,Y
Ykb .'c°°I*V7i D
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.
INSPECTOR SIGNATURE DATE APPLICATION EXPIRATION DATE APPLICATION APPROVED/ISSUED BY DATE
4%1440 1 D 5z, 101 --12 ID(U I '-'
THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 2 2 1 0 4 — 1 1 — 5 0 0 9 2
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 may be scanned and available for public view on the Mason County Web site.Maximum ,a#er size: II"X 17"
Permit Number: SWG d 5- 06319 Designer's Name: ROBERT H.PAYSSE
Applicant's Name: RICHARD MAYO Designer's Phone Number: 360-426-1803
Mailing Address:
PO BOX 3233 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
❑Glendon 0 Sand Filter 0 Mound CI Sand Lined Drainfield ❑ Recirculating Filter 0 ATU Ll Other
Treatment Level(check all that apply): ❑ A 0 B 0 C 0 BLI 0 BL2 ❑BL3 ❑ E El N
Drainfield Type
❑Gravity stf Pressure I 'Trench 0 Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class SCH.40
Daily Flow:Operating Capacity 270 gpd Length 40 ft
Daily Flow:Design Flow 360 gpd Diameter 1.25 in
Septic Tank Capacity(working) 1500 gal Number 3
Receiving Soil Type(1-6) 1 Separation 10 ft
Receiving Soil Appl. Rate 1.0 gpd/ft2 Orifices
Required Primary Area 360 ft2 Total Number of Orifices 60
Designed Primary Area 360 ft2 Diameter 3/16 in
Designed Reserve Area 360 ft2 Spacing 24 in
Trench/Bed Width 3 ft Manifold
Trench/Bed Length 120 ft Schedule/Class SCH.40
Elevation Measurements Length 20 ft
Original Drainfield Area Slope 15 % Diameter 1.25 in
New Slope,If Altered 15 % Preferred manifold configuration used? 0 Yes 0 No
Depth of Excavation Up-slope 47 (INCL. SAND) in Transport Pipe
from Original Grade Down-slope 41 (INCL. SAND) in Schedule/Class SCH.40
Designed Vertical Separation 18+ in Length 25 ft
Gravel-based Drainfield Required? 56 Yes ❑No Diameter 2 in
Pump Required? stf Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 6
Diff.in Elevation Between Pump&Uppermost Orifice 12 ft Dose quantity 60 gal
Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1500 gal
Uppermost Orifice RI Higher 0 Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head 35 gpm Cif Timer lif Elapse Meter la Event Counter
Calculated Total Pressure Head 23 ft If Timer: Pump on 1.1 MIN ,Pump off 4 HRS
Comments APPROVED
OCT 20 2025
MASON COUNTY ENVIRONMENTAL HEALTH Revised:4/14/2025
RET
•
DESIGN FORM—PAGE TWO Assessor's Parcel Number: 2 2 1 0 4 -- 1 1 -- 5 0 0 9 2
Permit Number: SWG a0arj - oU3 5
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
id Test hole locations g Drainfield orientation and layout Reference depth from original grade:
O Soil logs g Trench/bed dimensions and g Septic tank
g Property lines critical distances within layout Ulf Drainfield cover
g Existing and proposed wells g D-Box/Valve box locations Reference depth from original grade
within 100 ft of property EZi Septic tank/pump chamber and restrictive strata:
6/1 Measurements to cuts,banks,and locations g Laterals,trench/bed,top and
surface water and critical areas g Observation port location bottom
g Location and orientation of g Clean-out location 0 Curtain drain collector
curtain drain and all absorption El Manifold placement I' Sand augmentation
components Orifice placement Other cross-section detail:
Location and dimension of It Lateral placement with distance 11 Observation ports/clean-outs
primary system and reserve area to edge of bed
g Other Information
121 Buildings It Audible/visual alarm referenced Yes No
O Direction of slope indicator g Scale of drawing shown on scale d 0 Design staked out
g Waterlines bar 0 g Recorded Notices attached
Ei Roads,easements,driveways, p Elevation benchmark and relative 0 g Waiver(s)attached
parking elevations of system components i 0 Pump curve attached
g North arrow and scale drawing 0 l 'Evaluation of failure
shown on scale bar Non-residential justification
❑ EI Waste strength
o It Flow
DESIGN APPROVAL
The undersigned designer must be notified b installe at time of installation g Yes ❑ No
(2 ,
a (2?(-7A012
ignature f esigne 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 regul ions:
Calq Vq7A1
Environmental Health Spec alist Date
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved"by Mason County Public Health. `O t✓L Q
✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: I S�"(�
✓ 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
r i
/ /
/
/ i
/ ACCESS ROOS CT FROM
/ MASON BENSON RD
\
EXISTING 2-PARTY WELL &
FUTURE WATERLINE
/ \
/�/ \\
/\":
TRAIL/ACCESS
TO DRAINFIELD /
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//
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R700' I \\
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/ / �' ,/ s o
OO'�j'�\` /�C`� \
// / PROPOSED 3 BED.
\\__
/
/' PROPOSED PRIMARY/RESERVE
/ NI// PROPOSED SEPTIC
/ & PUMP TANKS
BUILDING
LOCATION
/
APPROVED
2 0 2025
/1/ OCT
MASON COUNTY ENV1RONENTAL HALM RET \
//
.
,-. *INSTALL CLEANOUT OUTSIDE /// s-Q /
,�•g: • FOUNDATION OF HOME & EVERY 100FT / v� /
`,,,,, "5'°, ON SEWER LINE TO SEPTIC TANK. / /
e- // ( ) //
' ROBEBBIT..14�YSSE 'RUN ELECTRICAL FOR PUMP TANK & i/ - - //
EXPIRES - PANEL DOWN HILL W/ SEWER LINE. / /
/ /
AN ASBUILT/INSTALL SIGNOFF FEE WILL / /
BE CHARGED AT TIME OF INSTALLATION / /
/ /
PIONEER DICGINC><, INC. CUSTOMER: RICHARD MAYO TEST HOLE I: TEST HOLE 2 TEST HOLE 3:
PARCEL# 22104 ll 50092 o-u Gas 011 GLS NA
II 61\'GIS 11-64 VGLS
SEPTIC DESIGNS ADDRESS: XXX E ROOS COURT
DISCLAIMER. TNq APPLICANT/COUNTY NOT A SURVEY. REFERENCES INCLUDE APPLICT/COUNTY PROVIDED
3083 E MASON BENSON RD. GRMEVIEW,WA 9H�K DESIGNER: ROBERT H.PAYSSE ,LATS OR SURVEYS.FIELD MEASUREMENTS AND COUNTY GIS DESION INTENDED FOR SEPTIC
OFFICE 36(}4261803 FAX 36(}4272353 SHEET: PLAN� NT MAY BE SUBJECT TO OTHER
DEPARTMENT/AGENCY REVIEPuRPOSES ONLY W CCEESIGNER NOTO RESPONSIBLEN FOR SETBACKS UNRELATED TO
SITE I'L SCALE I"=lay
COMPONENTS
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MAINTAIN 100'+ /
FROM EXISTING WELL ----\
// OB PORT TO
BOTT. OF GRAVEL
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BOTT. OF SAND D .• r(TYP) ,
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�) . OCT 20 2025
c., ,' • MASON COUNTY ENVIRONMENTAL HEALTH
��J' I. Q VALVE BOX RET
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CONTROL `,�4�`
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ON POST
\\__ SEPTIC TANK �� °`""A Y.
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'INSTALL CLEANOUT OUTSIDE (PUMP ELE. -36.0') '�(�� FO''''..H'TVAr • ���
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FOUNDATION OF HOME & EVERY 100FT EXPIRES
ON SEWER LINE TO SEPTIC TANK. AN ASBUILT/INSTALL SIGNOFF FEE WILL
BE CHARGED AT TIME OF INSTALLATION
l l�I \lI IZ: RICHARD MAYO TEST HOLE I: TEST HOLE 2 TEST HOLE 3:
PIONEER DIGGING, INC. PARCEL# 221041130092 II H C` ; 0-a I NA;Ls
SEPTIC DESIGNS ADDRF.SS: )Doc E ROOS COURT I
DESIGNER: ROBERT H.PAYSSE DISCLAIMER:TINS IS NOT A SURVEY.REFERENCES INCLUDE APPLICANT/COUNTY PROVIDED
3083 E MASON BENSON RD. GRAI'EVIEw',WA��71( PATS OR SURVEYS FIELD MEASUREMENTS AND COUNTY GIS DESIGN INfENCED FOR SEPTIC
OFFICE 3&X426 I8113 FAX•360-427-2353la OPEPARTes ONLY. PROP DEDS OEVNOTRAEP MAYL BE SUBJECT BACKS TO TEO TO
I I FFT: DF DETAIL SCALE P=IV DEPARTMEMONENCY REVIEW DESIGNER NOT RESPONSIBLE FOR SETBACKS UNRELATED ER
SEPTIC COMPONENTS
•
OB PORT TO
BOTT. OF GRAVEL 30MIL LINER INSTALLED 6" INTO
SAND DEPTH PER RSnG
OB. PORT TO
BOTT. OF SAND
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RISER/LID
ROCK " OR VALVE BOX —\
f.: : ,•.'� TO FIN. GRADE
•N 24" C-33 SA1 :.- . N
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VALVES _
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VARIFIED DEPTH 0- CHECK "Ni
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VALVES
(AS NEEDED)
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EXPIRES
AN ASBUILT/INSTALL SIGNOFF FEE WILL
BE CHARGED AT TIME OF INSTALLATION GLUED TEE
CUSTOMER: RICHARD MAYO TEST HOLE I: TEST HOLE Z TEST HOLE 3:
PIONEER DIGGING, INC. PARCEL#:zzlo4llsoo92 ���,; 116 GLS NA
SEPTIC DESIGNS ADDRESS: XXX E R.00S COURT
3083 E ntiSON BENSON R.D. GRAPEVIE\'V,WA 98346 DESIGNER: ROBERT H.ITAYSSE CISCS OR R:THIS IS NOT A SURVEY.REFERENCES INCLUDE'APPUCANTTAUNTY PROVICEC
PUTS OR SURVEYS,FIELD MEASUREMENTS AND COUNTY GIS.DESIGN INTENDED FOR SEPI C
OFFICE-360-426-1803 F.N.\-36(1-427-2353 OEPAPURPTES MEITONLY.YREVI_W.PROPOSED
DEVELOPMENT
ELOTPME DV µE E FOR SE RA CKSTUI.TOU OTHER
SHEET: DF DETAIL(2) SCALE NA SEPTICCOMPONEATS.
I
— 24"RIBBED RISERS W/BOLT ON WATER-TIGHT LIDS
FLEA,\Oli'
USE RISER LID ADAPTERS WITH NO GASKET LIDS
a --• FINISHED GRADE i ,t
o WATER-TIGHT
j JOINTS
`: FFFF ii
INLET s, li `12.-2=a272:22:=Z --\ 1---
��' A OUTLET
TWO WAY TEE is.... :'
WATER-TIGHT
JOINTS — — i 4"051
TANKS MUST BE — EFFLUENT
ON STATE DOH 1500 GALLON WATERT7GHT „' , FILTER
' APPROVED LIST ` CONCRE1LSEPT7CTANK • A P P R O E D
OF SEWAGE •;
TANKS : OCT 2 0 2 1 ��i
PUMP TANKS �' `''
OVER 1000 GAL. ry MASON COUNTY ENV1R0 VIAL H ': `
REQUIRES TWO •• f'' � :`1`•� !.1�;: ��"
V 1 ��� �• t :i! v • ,�
ACCESS RISERS •^":i':trv:;41s• S_i'f7w--. '•:•Y A :s%:'S•.�:'4- eti..R.�. .:Mi.:�:{.'., vL?'�' ��'` ',r3, 3y�` •
TO GRADE S�C
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4.
PUMP TANKS 'I""�'•'•4•'i,t;o,.
LOCATED AT HIGHER CONTROL PANEL \11EXPIRES
ELEVATION THAN VW TIMER,EVENT COUNTER •
1--
DRAINFIELD MUST &HOUR METER ELECTRICAL WORK DONE24' RIBBED RISERS
oBY LICENSED ELECTRICIAN W/WATER TIGHT LIDS
HAVE ANTI-SIPHON ——
DEVICE INSTALLED. b a a FINISHED GRADE
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ELECTRICAL ur I 1---TRICAL CONDVIi �
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- TRANSPORT LINE
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UNION & BALL VALVE
• 1500 GALLON WATERT7GHT
CONCRETE PUMP TANK
(28.5 GAL./IN.) '
WATER-TIGHT
JOINTS W
.1 III
CHECK VALVE
USE TANKS FITTED
W/CAST IN WATER P
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TIGHT FITTINGS FOR USE RUBBER
INLET/OUTLESAND • PUMP BUCKET: ' GROMETS FOR
CAST IN RISER BUCKET HEIGHT MUST BE TRANSPORT LINE
ADAPTERS TO AT LEAST HEIGHT OF PUMP _; AND ELECTRICAL
ENSURE WATER � ON RISERS. MAKE
TIGHTNESS • d • • - .. • • • • ., ' •- • '•` a SURE ALL HOLES
ARE WATER-TIGHT
CUSTOMER: RICHARD MAYO \I_F:
PIONEER DIGGING, INC. PARCEL#:221041150092 INSTALL TANKS ON ORIGINAL OR
SLIT IC: DESK_,NS ADDRESS:XXX E ROOS COURT COMPACTED LEVEL SOILS. RUN CROSS
' 3083 E MASON BENSON RD. GRAPEVIEW,WA 98546 DESIGNER: ROBERT H.PAYSSE CONNECTIONS INTO ORIGINAL SOILS TO
i AVOID SETTLING.
OFFICE-360-426-1803 FAX-3W-427-2353 SHEET: TANKS SCALE NA
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Pump Specifications ir" 'j
290 Series 3/4 hp I
Submersible Effluent Pump
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APPROVED
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MASON COUNTY ENVIRONMENTAL HEALTH
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OM**MINIM EXPIRES
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PumPs
LATERAL LATERAL FEEDER TOTAL ORIFICE ORIFICE DIST.TO TOTAL
ORIFICE TOTAL
LATERAL# LENGTH PIPE SIZE LENGTH LENGTH DISCHARGE SPACING 1ST ORIFICE HEAD
SIZE(inch) ORIFICES
(feet) (inches) (feet) (feet) RATE(gpm) (feet) (inches) (feet)
1 40 1.25 3 43 3/16" 0.59 2 12 20 0.85
2 40 1.25 10 50 3/16" 0.59 2 12 20 0.99
3 40 1.25 20 60 3/16" 0.59 2 12 20 1.19
DRAINFIELD HEAD(feet) 3.03
TRANSPORT LINE HEAD(feet) 0.53
ELEVATION CHANGE(feet) 12
RESIDUAL/SQUIRT(feet) 2
EXTRA LOSS/FITTINGS(feet) 5
TOTAL DYNAMIC HEAD(feet) 22.56
TOTAL GALLONS PER MINUTE 35.4
PIONEER DIGGING, INC. PARCELOMER#:2: RIC-5 09D2MAYO
SEPTIC DESIGNS ADDRESS: XXX E ROOS COURT
3083 E MASON BENSON RD. GRAPEVIEW,WA 98546 DESIGNER: ROBERT H.PAYSSE
OFFICE-360-426-1803 FAX•360.427-2353 :sHFFT: CALCS SCALE NA
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 10ft to waterlines with all septic components. If less than loft 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 10ft 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. F a e
information, refer to Mason County Public Health Homeowner's Manual,which should be received after in-st l io a 6I.
14. System owner should be cautious of landscaping around septic components. Root intrusion OCT 20 2025
can cause premature failure of the drainfield area. In addition, bushes and trees should be kep N COUNTY ENVIRONMENTAL HEALTH
away from lids and other septic maintenance points. RET
15. Changes made at time of installation may impact designer calculations, pump sizing,and 4�
compliance w/county and state requirements. Contact designer prior to install w/any 4,
proposed variations from design. Changes may result in additional fees and permitting. ,c Way,,:
,0111
PIONEER DIGGING, INC. CUSTOMER�:ItRICHDD AR MAYO
PARCEL#:22104-11-50092 FCLE T 31W1YSSE %~;C
44
SEPTIC DESIGNS ADDRESS: XXX E ROOS COURT '
3083 E MASON BENSON RD. GRAPEVIEW,WA 98546 DESIGNER: ROBERT H.PAYSSE EXPIRES
OFFICE-360-426-1803 FAX 360 427 2353 SI I FE I: NOTES SCALE NA