HomeMy WebLinkAboutCOM2023-00078 - COM CD Environmental Health Review - 9/27/2023 MASON COUNTY COMMUNITY SERVICES Pecm(t No: n^
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BUILDING PERMIT APPLICATION SEP 2 7 2023 -
PROPERTYOWNER INFORMATION: CONTRAcrORINFORMATION: 615 W. Al Jer Street
NAM -A-' u(tIS?tw , i �t NAME:s:: G-Z 1- .
MKMING ADDRESS: d MAII,ING DRHSS: s1�a LZI{lY
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PHONE: 37YS�P[,L:
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PRIMARY CONTACT: CONTRACTOR[] O'THER�
NAME r]a1 M:P.lMCLK/ EMAIL • '( e .
MAILINGADDRESS - 2 - CIT4 n•'D.t STATE 2D` 2
PHONE 2 CELL '
PARCEL INFORMATION:
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TS TITB PRO]ECI WITHIN300 FT OFSLOPA(S)GRILATRB THAN 1656: YES NOp SNOWW":_—a
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SALTWATIIt❑ LAKE[] iYffitMREEP.❑ POND�suruPmp SEASONAL AUNOFFp STREAM❑
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PROOFOFCONTIeATOF,,WORK ON THIS PERMIT IS BY MEANS OF INSPECTION. INACTWUYOFMIS
PE A UC DAYS OF MORE WILL CAUSE THE APPU^ TION TO BE EXPIRED.(MASON
COUNTY CODE 14.06.4f)
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TAN/A SYRETTAFN N
OLIAL/TY SEPT/C SYv TEM OES/CNS
FLOW
Caretaker Residence
The caretaker residence is occupied full-time and is a standard 2-bedroom home. It is not used
for camp activities so flows are standard for residential occupancy.
Lodge
The lodge is capable of housing events, gatherings and overnight guests in a dormitory-type
environment with common kitchen,bathrooms,& showers. Lodge events are mostly day use, but
occasional gatherings and group-camps bring people into the lodge for up to a week at a time.
These 'max' events only occur a few tunes per year almost solely in the summertime as week-
long youth church camps,etc.
The lodge can accommodate up(o 25)Iieople in its dormitory-style arrangement. USEPA 2002
OWTSM shows flows from a facr ' such as this can range from 20-50gpc. In this use,I would
put the flow estimate on the low end of this range—around 500gpd for 25 people. Additionally,
this type of'max' flow impact only occurs a few times per year. This means the wastewater
system has ample time to rest with little to no inflows for extended periods of time between
'max' events.
The lodge is estimated currently to be in use only an average of 90-120 days per year.This
includes both minimal day-use events and 'max' events. This means the system has a built-in rest
cycle of roughly two-thirds of the time.This system could accommodate double the number of
events and still have a one-third rest period—considerably better than a typical residential system
receives.
Recreational Restroom
The Recreational restroom is located near ball-fields and is built to accommodate up to 240gpd.
This bathroom is only used occasionally by camp-goers using the outdoor recreational areas
which is limited to occasional, small,mostly stanmer-time events.USEPA OWTSM estimates a
restroom like this to have a use range of 24gpc. Again,due to the limited facilty,type, I'd
estimate this on the low end as 2gpc.This means 120+persons a day would have to use the
system to exceed design capacity. A more likely 'max' range would be 20-30 persons/day and
only for short,temporary events. As long as there are no stuck toilets or broken fixtures,the
recreational restroom system should never be expected to receive anywhere near the design flow.
TAHJA-SYREfr DESIGNS
360.239.9901 (mobile)888.629.4154 (fax)
P.O. Box 1905, Shelton, WA 98534
tab asvrendesiensCthotmail corn
Page 2 of 3
Printed From Mason County DMS
Printed from Mason County DMS
(gnu of
TAN/A SYNETTDE / NS
pUAL/TY SEPT/C SYSTEM GES/GNS
WASTE STRENGTH
Caretaker Residence
• typical residential strength
Lodge
• day-use waste strength is expected to be slightly concentrated (no showers used). This
will be offset due to the fact that day-use events won't be anywhere near system capacity
• `max' use waste strength will look like residential strength due to typical patterns of
bathroom,kitchen, laundry use. `Max' events will be at or below system capacity of
600gpd.
Recreational Restroom
• day-use waste strength is expected to be slightly concentrated. This will be offset due to
the fact that even 'max' use should be at only about 25%of system capacity with likely a
80-900%system off-line time due to low use most of the time.
RECOMMENDATIONS
This system has been pumped and inspected in December of 2012.As a business operation, I
would suggest having the system inspected by a Monitoring and Maintenance company annually
to ensure components are working properly,etc. Pumping should only be conducted when solids
accumulation makes it necessary which will vary with each system and with use patterns. For
this site,given fluctuating patterns and 3 differently used systems, there is no one-size-fits-all
recommendation on pumping. You could pump the system annually at a cost of maybe$1200.
Or,you could have the system inspected annually for a third that cost and only pump when
necessary,potentially saving a lot over the long term. The main key is to inspect to detect
problems before they are serious.
Anyone with questions or concerns regarding this properties wastewater system capacities
should contact Tahja-Syrett Designs.Any changes or modifications to use outlined in this
document should
;be evaluated for system impacts before being implemented.
Y Sincerely, �,�,, ;
IAA 3
y,
Toby Syria
On-Site Wastewater Treatment System Designer 45100299
TAHJA-SYRETT DESIGNS
360.239.9901 (mobile) 888.629.4154 (fax)
P.O. Box 1905, Shelton, WA 98584
tahiaswendesiens(nithotmail.com
Page 3 of 3
Printed From Meson County DMS
Printed from Mason County DMS