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Home My WebLink AboutSWG2025-00020 - SWG As-Built - 9/9/2026 Mason County OSS Installation Report pg. 1 MASON COUNTY PUBLIC HEALTH APPLICANT/ PERMIT INFORMATION Permit Number SWG 2025-00020 Parcel # 220175000082 Applicant Name Pamela Yates Subdivision (Name/Div/Block/Lot) Applicant Address 563 W Golden Pheasant Rd City, State, Zip Shelton.WA 98584 Installer Name Bay Shore Construction Site Address 310E Lakeshore Dr E Designer Name Becky Rieeer/Environmental Desigr INSTALLATION CHECKLIST Full System Installation ❑Tank(s)Only ❑ Drainllekl Only ❑Repair ❑Other System Type BIOBARRIER MM 0.5-N Pretreatment Type >5 ft.from foundation? ----------- N/A ®YES ❑ No >50 ft.from wells? - -- ---------- 1=11#21J e ❑ z >50 ft.irom su face water? ------- fffr21 -" 0 ❑ Cleanout between buildingand ..... . -- ------------- -0 ® ❑ U Tank baffles present? - ---------- ❑ E ❑ i 24"access dsers over each compartment?Lia, 2'-'--- - ❑ U ❑ W Effluentftter installed?- --- ------- --- - ---- ---- -- - - ❑ 0 ❑ to Septic tank capacity(working) 1250 gal Manufacturer INFILTRATOR O D-box water level and speed levelers used? -------------- - 0 N/A ®TES ❑ NO �O Manifold/D-boxaccessible from surface?---------------- - ❑ ® ❑ oQCheck valves installed? -- -------- -------- -------- ❑ x ❑ 2 Transport Line Size 1 1/4 INCH Schedule/Class 40 Bedrooms installed (check one) ® 2 ❑3 ❑4 ❑5 ❑6 ❑Commercial/Other >10ft.from foundation?----------------- --------- ❑ N/A ® YES NO 0 >100ft.fromwells?----------------------- ----- 0 ® ❑ W >100ft.fromsurfacewateR----------------------- - ❑ U ❑ LL >10ft.frompotablewaterlines?--------------------- - ❑ ® ❑ ZZ > 5ft.from property lines and easements?- ----- -- -------- ❑ 0 ❑ C >30 ft.from downgradient curtain/foundation drains?-- ------- - ❑ 0 ❑ Drainfield level and observation ports present -- ---- -------- 0 ® ❑ ■ Graveless chambers or ❑ Clean gravel used? (check one) Proper cover installed overdrainfield?------------------- ❑ ■ ❑ Pump tank setbacks consistent with septic tank?------------ - ❑ N/A YES, ❑ No Pump tank capacity(flood) 1250 gal Manufacturer INFILTRATOR < 24"access dser(s)and accessible from surface?----- -------- ❑ ! ❑ 6~. Alarm or Control Panel Installed? -------------------- - ❑ ® ❑ Control Panel equipped with Timer/ETM/Counter----------- ❑ ® ❑ Pump installed in ❑ Bucket or ® On Block or ❑ Other 5 R Pump Make/Model LIBERTY 250 E Floats or 0 Transducer Tank draw down 1" In/min Pump capacity 17.3 apm Squirt Height 60" ft Pump on time 1 MIN 40 SEC Pump of time 4 HOURS Daily flow set at 240 opd Updated 121,201" Mason County OSS Installation Report pg. 2 Parcel# 220175000082 ABANDONMENT RECORD Were existing septic components abandoned as part of this project? --- - ----------- O YES ® NO If yes, please describe: Were all components pumped out and property abandoned per WAC246-272A-0300? -------- ❑ YES D NO RECORD DRAWING This is a permanent record and must be accurate and deecrlptiva enough to raJCMI.in en Mad of nwlnknanw ealvMee and Ntun dewbpment Typal Record Drawn0s contain: D21nfiNEmani Sri OMMtion&Iayoul Septic/pomp tank kceticn,NnN ertcwreeeryed2lnAeltl existing and proposed buildings wells,obaervabo,w�,Claenwb ald other maintenance ercss5 tIn Iwatlon Hnd rsaanof wSi% perlT pane. Inmmgme Record Dravdnga may Creak etltlHoral ddaya In final Inakllelbn approval eM Make perrrlMe ❑ Record Drawing Attached CERTIFICATION OF INSTALLATION INSTALLER DESIGNER/ENGINEER 1 certify that I installed the system in accordance with l cem'ty that the system has been installed in accor- the septic design stamped'APPROVED'by Mason dance with the septic design stamped APPROVED-by County Public Health and that any deviations shown Mason County Public Health and that any deviations here have been cleared/appmved by both the designer shown here have been cleared/approved by both and Mason County Public Health and meet all State myself and Mason County Public Health and meet all and Mason County Codes State and Mason County Codes I further certify II, all infonnatro ntained on this I further certify that all information contained on this form and attach wing is accurate. form and attached Record Drawing is accurate. 7/29/2026 Signature of In taller Date BRANDON THOMPSON ? :' Printed Name ofSignee A? - uaq 2 MASON COUNTY PUBLIC HEALTH 1 The undersigned approves this installation' oft art�rp � �rip Record Drawi on behalf of Mason unty PI �F - Bec51 Rgieger � Health: Q ZO� 1�� ti 13 i N ' ''' /9O ExPIRE 13 Signatu of Environmental Health Specialist Date F2q`yFq�l (stamp, signature and date) THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEB SITE uWeudazrapre Environmental Design, LLC. Septic Design• Wetlands*Site Planning lExcavation 2041 Little Hanford Road, Centralia, WA 98531 Phone:(360)219-3343 September 3,2026 Dear Yates Family, Congratulations on the completion of your On-Site Waste Water System. Environmental Design,LLC is pleased to present you with the Record Drawings of your system and some general information about your new system. Enclosed in this packet you will find the following: o General Information About Your System o Septic System Maintenance& Recommendations o Contact Information for you Designer, Installer and Local Health Jurisdiction o Record Drawings o Pictures of Before, During and After Installation We have also included an insert from the Department of Health about your system. A copy of your Record Drawings have been submitted to Mason County for their records and a copy has been given to your installer as well. It has been a pleasure working with you and we hope this information finds you well. If questions or concerns arise please do not hesitate to contact us. Sincerelyp IG eee4 LP.get Licensed Designer Wetland Specialist About Your System Your system is called a Pressure Distribution Gravelless Trench Drainfield with Secondary Treatment. This means that you have two tanks,a pump,a panel,a proprietary BioMicrobics system and trenches that contain gravelless technology. From the house the effluent will travel to the BioMicrobics Tank where it will be treated and be processed through the BioMicrobics system before flowing into the Pump Chamber.The Pump is set up to a control panel that has been programmed to come on and pump for a certain amount of time.After the effluent has been treated it will be pumped to the Laterals in the drainfield.The Drainfield consist of PVC lines that are covered with a gravelless technology known as a chambers.The PVC lines have small holes spaced out at a set dimension that allows the treated effluent to be disposed into the chamber and continue its treatment process in the soil.At the end of each Lateral is a Clean-Out to be used for Operation and Maintenance.There is also an Observation Port which is used to check the system during Routine Maintenance and for observation when troubleshooting the system if issues arise. Septic System Maintenance & Recommendations Now that the system is installed it is important now to learn how to maintain and keep a healthy system. The first step in keeping a system healthy is knowing what is good for it and what is not. Here are a few things to keep in mind with your septic system: 1. Know the location of the drainfield and the components of the system. It is important that you,the homeowner, know where these are located so the system parts are not driven over (unless they have been designed and installed with that in mind), is not built over and for maintenance purposes.Some Drainfield systems can be landscaped on,however;the use of landscape plastics to keep weeds from growing should not be used. 2. Watch your water consumption.There are many water saving devices and appliances on the market today to help with this. It has been seen that too much wastewater In the system can cause system failure so it is important to be aware of how much is going into the system. 3. Inspect your Septic Tank and Pump Chamber at least once a year.This inspection can be done by the homeowner or by a Septic Professional.When inspecting the tank not only does everything want to be checked to see if it is functioning well, but also this is a good time to hose off the effluent filter. 4. Pumping the system. It is recommended that a Septic Tank be pumped every 3 to 5 years.This is important to keeping your septic healthy and knowing if it is functioning properly.A Septic Professional will also be able to help you with your pumping schedule. S. Limit use of garbage disposals.This places solids in the septic tank that are hard to break down. 6. Do NOT use septic additives, dispose of hot tub water,or put strong chemicals down the drain as use of these can disrupt the growing of the good bacteria in the system. 7. Do NOT flush solids such as diapers,tampons,cigarette butts,condoms,grease and coffee grounds as these can cause harm to the system. 8. Direct water from downspouts and roofs away from the septic tanks and drainfield. It is recommended that a pumping schedule be contracted with a Pumping Professional.This will help to sustain the life of your system.There are also Septic Professionals which offer Operation and Maintenance programs,which is a service that will include the inspection of your system and the repair if needed. It is important to ask what is included in this service as each can vary. Contact Information The following is the contact information for the Designer, Installer and County Inspector of your system. Designer Information: Environmental Design, LLC Designer: Becky Rieger 2041 Little Hanaford Road Centralia,WA 98531 Phone: (360) 219.3343 Installer Information: Bayshore Construction Phone: (360)866-9200 Local Health Jurisdiction: Mason County Environmental Health Phone: (360)427-9670, Ext400 References: Cowlitz County Environmental Health Website. htto://www.co.cowlitz.wa.US Lewis County Environmental Health Website. http://lewiscountywa.gov/environmenal-health/permitsforms Mason County Environmental Health Website. https://maso ncou ntywa.gov/health/environmental/i ndex.php Thurston County Environmental Health Website. htto://www.cothurston.wa.us/health/ehoss/dos donts.html. Washington State Department of Health Website. http://www.dohwa.gov/ehp/ts/ww/ us- w-topic.htm#Home Owner. 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