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Onsite Permit 555-18-003782-PRMT Page 4 of 6 Schedule Inspections online at www.buildingpermits.oregon.gov or by calling: 1-888-299-2821 or 541-388-6575 When calling for an inspection,use IVR Number:555049017052 Date:issued:6126/18 ,Expiration date:6/26/19 Work'description.: NEW INSTALL for WINERY'with TASTING ROOM Conditions of approval Approved Area&System Type:This property has been approved for an Alternative Treatment Technology (ATT)System in the area identified in Site Evaluation Report 555-18-003040-EVAL. Please refer to the signed approved plans dated June 8,2018. Any deviation from the approved plans must be authorized by this office prior to installation or the permit may be voided. It is the responsibility of applicant/installer to coordinate these requirements with all others in OAR 340-071-0220. This permit is for a system designed to serve a winery and tasting room. Meals will be limited to semi-annual. events with up to forty diners. Design flow is for up to 8 employees @15 gpd; 150 tasters @ 3 gpd;and 40 diners @15 gpd. Peak sewage flow into the system is limited to a maximum of 1350 gallons per day,with an average sewage flow of not more than 675 gallons per day. Premature failure of the treatment system may occur if either of these flow quantities is exceeded. For events or other times where you expect your water use may exceed these flows,it is advisable to contract for temporary portable toilets. Specific Requirements: ATT Pretreatment Unit: MicroFAST 1.5 as per approved attached plan. COMMERCIAL SYSTEMS with design flow greater than 600 gallons per day must be constructed in duplex (with two or more alternating pumps)with controls that activate an alarm when one of the pumps malfunctions. A pre-manufactured electrical control panel capable of monitoring pump performance through elapsed-time meters and cycle counters is required. An effluent filter and service access riser is required at the outlet of the septic tank. Dosing cycle must discharge no more than 20%of projected daily sewage flow each cycle (maximum dose 270 gallons). SERVICE CONTRACTS: The owner of an AU system must maintain a service contract with a maintenance provider certified by the manufacturer to serve and maintain the onsite system. A service contract must be entered into before the system is installed and must be maintained until the system is decommissioned. The service contract must provide for a minimum of four inspections and service visits by a maintenance provider scheduled once every six months over a two-year period to inspect,adjust,and service the AU. The maintenance provider must submit an annual report and fee. Please review OAR 340-071-0345 for full requirements. TANK RISERS: The tanks must be installed with watertight risers extending to the ground surface or above. The riser lids must be gasketed and securely fastened. Service access manhole for the dosing tank must be adequate to construct, install,service and operate the equipment within. Components must be easily accessible for servicing and maintenance. ELECTRICAL COMPONENTS ARE REQUIRED FOR INSTALLATION OF THIS SEPTIC SYSTEM. Detailed instructions for dosing tank/effluent pump installations are available in our office. The electrical wiring to the pumps and alarms must be installed in accordance with the appropriate Electrical Code. The electrical work must be done under a Marion County Electrical Permit and must be inspected and approved by a Marion County Electrical Inspector. The work must be left uncovered and accessible for inspection. The electrical inspection includes the connections to the pump and alarm in the ATT unit and the dosing tank,the wiring in the trench and the connections in the structure. INTERMITTENT STREAM CROSSING REQUIREMENTS: Where the pressure effluent line crosses an intermittent stream,the line must be encased. Casing pipe must be PVC or ABS Schedule 40 or heavier,or metal such as well casing. Pipe ends must be located at least 25 feet away from the stream. All plastic pipe joints in the pressure transport pipe and encasement pipe must be solvent-welded. An air test of the pressure line will be required. HEADER PIPE must measure a minimum of 4 feet between Distribution Box and start of drainfield trench, must be installed level,and bedded on undisturbed earth. DO NOT INSTALL SYSTEM DURING WINTER MONTHS(Nov. 1 —March 1) The geographical area in which the property lies is considered a risk to installation during winter months. Therefore,for this installation a Marion County Onsite Wastewater Specialist must specifically approve soil moisture conditions at this site for installation to occur during the period from November 1st to March 1st. This 6/27/18:11:29:47AM Page 4 of 6 ONS_OnsitePermitpr