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The drain media or EZ flow shall be placed in the trenches in a manner that minimizes compaction, <br /> disturbance, and sloughing of sidewall soils or spoils.The top surface of the drain rock shall be <br /> level.Drain media shall be covered with filter fabric prior to inspection.Monitoring ports shall be <br /> installed as shown on the plans. <br /> Backfilling shall not take place until the Designer has inspected and approved each trench. <br /> Backfilling shall be done in a manner that minimizes compaction.Native soil removed during <br /> excavation of the trenches shall be used for backfill.Each trench shall be overfilled(mounded about <br /> 3 inches), as shown on the plans,to allow for natural settling. <br /> 6.0 INSPECTIONS <br /> 6.1 Pre-Construction Conference <br /> The pre-construction conference provides an opportunity for all parties involved to discuss the <br /> proposed activities (on-site).The location and routing of the various components will be reviewed <br /> and discussed at this time. Construction should be scheduled to begin as soon as possible following <br /> these activities. <br /> Attendance by representatives of the following entities is recommended: <br /> • East Salem Seventh-Day Adventist Church(Owner) <br /> • Installation Contractor(Installer) <br /> • Valley Science and Engineering(Designer) <br /> • Marion County Building Division(Regulator/Inspector) <br /> 6.2 Construction Inspections <br /> The following table provides a summary of inspections. <br /> Inspection Inspector <br /> Designer Linn County <br /> 1. Tanks—Placement and Water Tightness Testing 0 M <br /> 2. Gravity and Pressure Effluent Sewer—Placement and O <br /> Water Tightness Testing <br /> 3. Drainfield—Placement, Grades,Piping,Plumbing, and O <br /> Pre-Cover <br /> 4. Pumps,Treatment System and Controls—Installation and O <br /> Function <br /> 5. Final Inspection/System Start-up 0 M <br /> Notes: M=Mandatory <br /> 0=Optional <br /> Valley—Albany,OR East Salem Seventh-Day Adventist Church I P&S <br /> Doc:2023240054 East Salem Church PS.docx November 2023 I Page 9 <br />