HomeMy WebLinkAboutSWG2024-00331 - SWG Application / Design - 8/5/2024 SHELTON,WA
5114
MASON COUNTY 415N6 SHELTON: , 0427-97 ,EXT 400
SHELTON:360-27 -44]0,EXT 400
BELFAIR:3fi0-2]5-04fi],EXT 400
Public Health & Human Services ELMA 360-482-5269,EXT 400
FAX 360427-7787
On-Site Sewage System Permit: SWG2024-00331
APPLICANT KENDALL ALBERT&AMANDA Phone: 253-377-3696
Address: 6811 MT TACOMA DR SW LAKEWOOD, WA 98499
OWNER KENDALL ALBERT&AMANDA Phone: 253-377-3696
Address: 6811 MT TACOMA DR SW LAKEWOOD, WA 98499
SEPTIC DESIGNER MICHAEL STATEN Phone: 360-275-9374
Address: PO BOX 984 BELFAIR, WA 98528
Site Address: 103 E McLane Cove Or
Primary Parcel Number: 221124400100
Permit Description: New 3-bedroom NuWater BNR500 system
Pem)it Submitted Date: 08/05/2024
Permit Issued Date: 09/19/2024
Issued By: David Anderson
Current Permit Fees Paid: $540.00 (additional tees may ee re9ubed upon Installation or system).
Permit Expiration Date: 08/27/2027 (based on data of lospeption)
Permit Conditions:
1 Proposed development subject to zoning requirements and approval by the planning
department staflper Mason County Title IT
2 Permit must be installed by a Mason County Certified Installer unless prior written
authorization from Mason County is obtained.
3 Drainf/eld installation not to exceed designed upslope and downslope depth specified on
design form.
4 Installer is responsible for obtaining Mason County installation approval prior to backfill of
system components.
5 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to
backfill of system components.
6 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/onsite/oss-inspection4equest.php or call:
360.427-9670,extension 400.
OFFICIAL USE ONLY
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ON-SITE SEWAGE SYSTEM APPLICATION 3 A
APPLICANT PHONE m m
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NAME OF DESIGNER PHONE IN
/Arclso,d 360- 27 -
NONAE"/O/F INSTALLER1 1PHONE v
PFAAIRttPE(aelay an) DRNMING WATER SOURCE LA
RESIDENTIALOSS 51COMMUNITYOSS EJCOMMERCIALOSS 51 PRIVATE INDIWDUAL WELL PRWATE TWOPMiY
TYPEOFWORN(eN N ®PUBLIC WATER SYSTEM
NEW CONSTRUCTION I UPGRADES 51REPAIR I REPLACEMENT OTHER DETAILS IM[f0.d ) S TABLE IX REPAIR
suB ALs SURFACING SEWAGE O E%ISTIND FAILURE [7 SHORELINE m
DESIGN FORM(REWIRED) XSEPTIC DESIGN(REWIRED) BEDROOMS LOT SRE [r2i
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OFFICIAL USE ONLY BELOW THIS LINE
UPGRPDE/FAILLXE SWRCE(brre/gyq q[Iwve[)
OVOLUNTARY OMAINTENANCEIPUMPING OBUILDINGPERMIT OHOMESALE L3COMPINNT 130THER.
INSPECTORSORLOGS COMMENTS/GONDIMNS
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BY
SOILCOGES
RECARDDRAWINGANDINSTALunONREPDRT
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V=VERY _GRAVELLY S=SWD L=LOAM SI=SILT C=GIRT E=EOREMEIY R=R0018 RFOUIgfp FOR FINLLAPPROVAI.
INSPE SIGNATUR!Er DATE APPLN:ATIOX�RKTION DATE
�� PPPLICATI ftOVEDI ISSUED BYI OATS
27
THIS FORM MAY BE SCANNED ANDAVAILABLE FOR PUBLIC MEW ON THE MASON COUNTY WEBSITE RESEED 12Orz15
t DESIGN FORM—PAGE ONE "-\b Assessor's Parcel Number: 2 2 1 1 2 — 4 4 — 0 0 1 0 0
A design will be reviewed when 3 co vies 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 Coumy Web she.Maximum paper size: 11"X 17"
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PARCEL IDENTIFICATION
Permit Number. SWG ZOb� _ Designer's Name: Envirmech Engineering PLLC
Applicant's Name: Albert Kendall Designer's Phone Number: (360)275-9374
Mailing Address: 6811 ML Tacoma Drive Designer's Address: PO Box 984
Lakewood WA 95499 Beaalr WA 98528
- City State Zip City State Zip
DESIGN PARAMETERS
Treatment Device
❑Glendon Biofilwr ❑Smd Filter ❑Mound ❑Sand Lined Dcamficld ❑ Recirculating Filter,Type:_
fi'(Aembic Unit Make/Model NuwaterBNR500 O Dintifection Unit Make/M del Other:
Drainfield Type
.!
❑Gravity m Pressure S(Trench ❑Bed ❑ Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class 40
Daily Flow:Operating Capacity 360 gpd Length 33.5 ft
Daily Flow:Design Flow 270 gpd Diameter 1.25 in
Septic Tank Capacity Nuwatef gal Number 6
Receiving Soil Type(1-6) 4 Separation 9 ft
Receiving Soil Appl.Rate 0.6 gpNftr Orifices
Required Primary Area 600 ftt Total Number of Orifices 36
Designed Primary Area 600 fe Diameter 3/16 in
Designed Reserve Area 600 ftr Spacing 72 in
Trench/Bed Width 3 fl Manifold
TrenebBed Length 200 ft Schedule/Class 40
Elevation Measurements Length Header B
Original Drainfield Area Slope 2 % Diameter 2 in
New Slope,If Altered Not Altered % Preferred manifold configuration used? 0 Yes lif No
Depth of Excavation U"klic 7 in Transport Pipe
from Original Grade puwnalope 6 in Schedule/Class 60
Designed Vertical Separation 12+ in Length 22 ft
Gravelless Chambers Required? ❑Yes 0 No R(Optional Diameter 2 in
Pump Required? EfYes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 6
Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity 45 gal
Orifice r R Chamber Capacity 1000 gal
Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls:Please check those required. ./
Capacity Q Total Pressure Head 21.1 grim 9'Timer litElapse Meter na Event Counter
Calculated Total Pressure Head t0.3 ft If Timer: Pump on 2.1 min ,Pump oil 237.9 min
Comments
Update to SWG2014-00065. No changes made. Field adjust timer for adequate dosing.
DESIGN FORM—PAGE TWO Assessor's Parcel Number:2 2 1 1 2 — 4 4 -- 0 0 1 0 0
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
21 Test hole locations 66 Drainfield orientation and layout Reference depth from original grade:
it Soil logs R1 Trench bed dimensions and Rf Septic tank
19 Property lines critical distances within layout 66 Drainfield cover
0 Existing and proposed wells 56 D-BoxfValve box locations Reference depth from original grade
within 100 ft of property 19 Septic tank/pump chamber and restrictive strata:
19 Measurements to cuts,banks,and locations 66 Laterals,trench/bed,top and
surface water and critical areas Gd Observation port location bottom
[9 Location and orientation of 0 Clean-out location ❑ Curtain drain collector
curtain drain and all absorption Ed Manifold placement Cl Sand augmentation
components 9 Orifice placement Other cross-section detail:
61 Location and dimension of g? Lateral placement with distance 69 Observation ports/cleanouts
primary system and reserve area to edge of bed
0 Buildings Other Information
Gd Audible/visual alarm referenced Yes No
61 Direction of slope indicator Rf Scale of drawing shown on scale ❑ fff Design staked out
68 Waterlines bar ❑ Rf Recorded Notices attached
RJ Roads,easements,driveways, ❑ if Waiver(s)attached
parking Qf ❑Pump curve attached
it North arrow,and scale drawing ❑ 19 Evaluation of failure
shown on scale but Non-residential justification
❑ Ef Waste strength
❑ Rf Flow
DESIGN APPROVAL
The undersigned designer must be notified by installer at time of installation 11,11 Yes ❑ 'ccvoa
07/10/24 24A"o iw� o9T�°L
Signature of Designer Date "
The undersigned has reviewed this design on behalf of Mason County Public Health and P
compliance with state and local on-si regulations: s'`siorrau�jO n
/lo ty �gsaN CVN I.9
SF,,
En nmental Health Specialist Date C7 O rE �Zy
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDETI D,y�
✓ The design is stamped"Approved"by Mason County Public Health.
✓ 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
Updated Date: 12/7/2015
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NOTES FOR ❑N-SITE SEWAGE PRESSURE DISTRIBUTION SYSTEM
SEPTIC TAM( AND PUMP CHAMBER
1. INSTALL ALARM SYSTEM TO WARN OF NIGH WATER LEVEL.
2. INSTALL ANTI-SIPHON VALVE ABOVE PIMP IM IN THE PP CHAMBER
3. NSTALL A 1/9 INCH MESH, NON-CORROSIVE PUMP SCREEN OR BID TUBE. IF PUMP SCREEN IS UTILIZED, MUST CONFORM TO INDUSTRY AND/ OR
VPSHINGTCM/ COUNTY STANDARDS.
M. FOR INSTANCES WHEN THE PUMP CHAMBER IS AT A HIDER ELEVATION THAN THE DRAINFIELD, A IJW HOLE SMALL BE DRILLED IN THE DISCHARGE
PIPE ABOVE THE PUMP IN ORDER TO DECREASE SIPHONING.
S SEPTIC TANK SHOULD BE LOCATED AS CLOSE TO THE HOUSE AS MIMI" SETBACK REQUIREMENTS VILL ALLOW (10 FD. THIS VILL MINIMIZE
THE NEED FOR STEP DOWNS.
6. THE PIMP CHAMBER SHALL BE WATERTIGHT PER PREVAILING WASHINGTON STATE UR COUNTY STANDARDS
). A MINIMUM OF 18 INCHES REWIRED BETWEEN BOTTM OF PUMP CHAMBER AND MMP INLET.
B. PROPRIETARY SEVAGE TNB(S SWILL BE HARMED AND INSTALLED PER MANUFACTURERS REQUIREMENTS.
9. SEPTIC SYSTEM USE SHALL DE IN ACCURBANCE WITH WJAFACTURERES RECOMMENDATIONS.
TRENCH
L TRENCHES SMALL BE GENERALLY EXCAVATED ALONG THE CONTOIR OF THE EXISTING GRADE.
2, TRENCES SHALL SE EXCAVATED SO THAT THE TRENCH BOTTOM IS LEVEL, NS INCRES.
I INSTALL OBSERVATION POSTS AS SHOWN IN THE ➢RAINFIELD DETAILS
A THE BOTTOM AND SIDES O ALL TRENCHES MUST MIT BE SMEARED, INSTALL DRAINFIELD BIMING DRY WEATHER.
ANY SOIL SMEARING MUST BE REMOVED BY HAND TOli
DRAIKELD LATERALS AND TRANSPORT LINES
1. INSTALL LATERALS PARALLEL TO THE TRENCH BOTTOM.
2 PLACE LOCATOR TAPE ABOVE ALL LATERALS.
I INSTALL CLEAN-OUT PORTS AT ALL DOTAL ENDS OF THE MAW,a SEE TINE MAI FIELD DETAILS
A. TRANSPORT LINES BENEATH DRIVEWAYS OR OTHER TRAVELLED WAYS SHALL BE ENCASED WITH LARGER DIAMETER PIPE OR SLURRY.,
S INITIALLY PLACE LATERALS, MANIFOLDS AND ALL CONNECTIONS WITHOUT CLUEING, WITH THE URIFACES IN THE U OCLOX POSITION. AFTER
PRESSURE TESTING AND HEALTH DEPARTMENT APPROVAL. ROTATE LATERALS SO THAT MIFACES ARE POSITIONED AS SHOWN IN THE DRAIKIEL➢
DETAILS. THEN PERMANENTLY ATTACH.
A ASTM M34 POE AND FITTINGS SHALL BE TIGHTLINED TO AND OUT OTHE SEPTIC YAK.
FILTER FABRIC
1. PLACE FILTER FABRIC OVER DRAIN ROCK PRIOR TO BACKFILL.
2. FILTER FABRIC SMALL CONFORM TO THE FOLLOWING SPECIFICATIONS. AND AT LEAST MEET WASHINGTON STATE AND/ OR COUNTY STANDARDS.
PROPERTY REQUIREMENT TEST METHOD
GRAB STRENGTH 80 LDS ASTM D M
PUNCTURE STRENGTH 25 LDS ASTM DQ33
TRAPEZOID TEAM 25 LBS ASTM D4533
APPARENT OPENING ADS < 0297 nn. OR H50 US STANDARD SIEVE ASIN D4751
SQE ) #50 US STANDARD SEIVE
PERMEABILITY RM CM/SEC FOR SOIL TYPES 1 AND 2 ASTM N491
00(H CM/SEC FOR SOIL TYPES 2, 3, A, 5 AND 6
INSPECTION AND MAINTENANCE
L IF BID-KBE IS USED, REMOVE AT LEAST ONCE PER YEAR AND FILM INTO TAN(.
2. IF A PUMP SCREEN IS UTILIZED, INSPECT EVERY 6 TO 12 MONTHS, AND CLEAN AS NECESSARY,
I INSPECT ALL FLOATS, AND TEST HIM WATER ALARM EVERY 6 TO 12 MONTHS
A A CERTIFIED MAINTENANCE SPECIALIST SMALL INSPECT AND MAINTAIN ON-SITE SEPTIC SYSTEM PER COUNTY REQUIREMENTS.
MISCELLANEOUS
L ENCASE ALL WATER LINES WITHIN 10 FEET OF SEPTIC AND DRAINFIELD AREAS.
2. STONMWATER RIMFF SKULL BE INVESTED AWAY FROM THE SEPTIC AND DRAINFIELD SYSTEM.
I CURTAIN DRAINS SHALL NOT BE PERMITTED WITHIN 10 FEET UPSLO'E AND M FEET DIWNSLOPE TOM THE EDGE OF THE ORAINFIELD AND .
M. ALL MANHOLE LIDS AND PORTS Ni ACCESS, SAMPLING OR INSPECTION MUST HAVE LOCKING COVERS.
M FOR MULTIPLE TRENCHES THAT ARE EXCAVATED AT DIFFERENT ELEVATIONS, CHECK VALVES SHALL HE INSTALLED BETWEEN LATERALS
6. A SURVEY WAS NOT PERFORMED BY THE SEPTIC DESIGNER. IT IS THE OTHER/ CONTRACTORS' RESPONSIBILITY TO LOCATE ALL EXISTING AND
PROPOSED PROPERTY LINES, WATER LIES, WELLS, BUILDINGS, SURFACE WATERS, DRAINAGE FEATURES. CUTS AND EMBAM(MENTS. TIE SEPTIC
SYSTEM SWILL BE INSTALLED AND 1-MATED BEYMD MINIMAL SETBACKS FROM THE ADEMENTIDED FEATURES PER APPLICABLE WASHINGTON
STATE AND/ OR COUNTY REQUIREMENTS.
>. ALL SEPTIC SYSTEM COMPONENTS, MATERIALS AND WOROANSHIP MIST MEET OR EXCEED WASHINGTON STATE AND/ OR CWHRY REQUIREMENT&
8. DEVIATION FROM THIS DESIGN VITHRJT PRIOR WRITTEN APPROVAL FROM THE SEPTIC IESIQER AND THE ODDITY KAt.W DEPARTMENT WILL
INVALIDATE THIS ON-SITE SEWAGE DESIGN SYSTEM
9. SOIL CONDITIONS MAY BE DIFFERENT. SUCH AS BUFFERING VERTICAL SEPARATIONS M CHWFE IN SOIL TEXTURE, WITHIN THE SUBGRADE
IMMEDIATELY SURROUNDING THE EXCAVATED TEST PITS. THIS COULD EFFECT THE
DESIGN AND OPERATION 6_F!jIW M-SITE SEWAGE SYSTEM ENVIROTEON SHOULD BE NOTIFIED TO RE-EVALWTE THIS DESIGN, 6 SIGI6ICANT
SOIL CHANGES OCCUR. A
DEIGN SOIL VF
IOU TYPE 4 .: n, O /� O
APPLICATOR RATE W C UN / Z PROJECT/ OMEN/ LOCATION
0.6 pPtl/sF CLY0 SEPTIC SYSTEM DESIGN
DESIGN FLOW ry gR�NMB,yj ,T'' HD' Of WAS Y.IF,�Cr'Br<(2 253AL �D^36%
ASSUME 123 BEDROOMS
/tlRY• �E/L y PMCCL MASON CNQ T`Y, WAHINODO
CRITERIA 3 BEDROOMS -FZ 141$Ory CONry, WASHINGTON
(120p91)(3 bswoons) • 360 URtl
ENGINEER,DRAINFIELD AREA A; ENVUNTECH ENGUEERING
A = (DSIN FLOW/ APPLICAT�N RATE) �OF MFCI 04 W BELFAPO �X 9 VASHINGTON 98528
(360 pDR/ Ob (Wd/FtrR) = 6U0 sF ASS/ONALF•NG` /1i4IN 3604>5-93>A
FOR 3 FT VIDE TRENCH 1600sF/ 3Ptl = 200 LF OF LATE DESIGN NOTES
Pump Curve,Capacity &Total Dynamic Head
METERS FEET
I - I .. !SERIES`
130 SIZE SOLIDS
35 - RPM 3500 E
1101750
-� wscwn
00
30 sn I
N w 1511
25 W 1
Sd 70
0 O7n
0
60 -
6 15 50 NED.0 1
10 3a WEOL+f
p M031
5
0 00 10 3S 30 40 SD 60 70 80 SO IW 110 120 130 140 150 IW GPM
0 10 15 20 25 30 35 W11a
G
Owner shall research pump manufacturer and their products to optimize cost,efficiency,and lifespan based
on the required capacity and dynamic head provided herein.
Cavacity
- Orifece design= 1 onface/6 finear ft for a total of 36 orifices @ 3/16 in diameter
Q.=11.79d2h"gpm,where d=orifice diameter(in),It=residual head(2 ft)
=0.586 gpm
Qr=Q4(no,of orifices)=(0.586gpm)(36) Qr=21.1 gp Am
Total Dynamic Head CIA^
Ha=7ft R
f=L(Q/K)Es5 ft for PVC conforming inASTM D-2241 or D-1785 *ASONC00 SFP/'9 O�j�O
L=length of pipe(ft) 'ti/YFly 4
Q=Flow(spin)
K=constant in relation to nominal pipe diameter and schedule/class of pipe `4
/[1 (y
Total Dynamic Head(HT)=Elevation Head(Ha)+Residual Head ft) Friction Loss(t) 1jT
HE=7ft+2ft+1.33ft HT=10.3 0t
L CCYOE
141S wa5yH07fey
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rsTEt
�'PSrONALF•NOS
07/10/2024
Envirotech Engineering Al Kendall
PO Box 984 Grapeview Loop Road
Belfair,WA 98528 Parcel 22112-44-00100
360-275-9374 Mason County,Washington