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, 7 7`yn q y ,� 5 a r w �-��im +K v LEZflow August2018 Under Oregon Administrative Rule(OAR)340-071-0117,(2005 FILTRA Revised OAR 340-071-0135), Infiltrator Water Technologies has received approval from the Oregon Department of Envi- Installation Instructions ronmental Quality(DEQ)to install the EZflow 1201 P configura- for EZflow S stem$ ' - r tion in the State of Oregon. The DEQ has also approved vari- Y �_ ous EZflow products for use in Standard Disposal Trenches, on •T `_ in Ore L � �� Capping Fill Systems, Sand Filter Systems, Seepage Trench 9 1 Fz Systems, Steep Slope Systems, Curtain Drains, Tile Dewater- -� ing Systems, and Pressurized Distribution Systems. • ti Materials & Equipment Needed . • EZflow Bundles ' „ ' ,, :;, • �Y yam, • EZflow barrier Paper or DEQ approved geotextile on .' f non-GEO products only Gn4 's '� ;z • EZflow Internal Pipe Couplers ,' • 3� , g • • Pipe for Header and Inlet • Backhoe • Laser,Transiton Installation Instructions 6. Place EZflow bundle(s)in the EZflow configuration The instructions for installation of EZflow products are given per permit.The top or center-most bundles containing pipe below. EZflow products must be installed in accordance with are joined end to end with an internal pipe coupler.Any OAR Chapter 340, Divisions 071 &073, as well as the DEQ additional aggregate only bundles,should be butted against , or local unit of government with jurisdiction. the other aggregate-only bundles and do not require any type of connection. 1.After the DEQ or local unit of government with jurisdiction has determined sizing, configuration, and layout for the 7. Header or lead lines from the distribution/drop box or EZflow system, stake or mark with paint the location of device will be connected to top or center-most pipe bundle trenches and lines. Set tank, invert pipe, header line or in each trench or inserted into pipe. distribution box and trench bottom elevations before installation of pipe bundles. 8.The EZflow drainfield systems should be installed in a level trench in all directions(both across and along the 2.The proper elevation of solid PVC effluent pipe going to trench bottom)and should follow the contour of the ground each trench should be determined to ensure compliance with surface elevation (uniform depth),with all continuous, the required maximum trench bottom depth as shown on the adjoining 10-foot bundles placed end to end,with central approved permit.This trench depth may vary depending on bundle distribution pipe connected. system height and configuration used. 9. EZflow bundles are flexible and can fit in curved trenches 3. Remove plastic EZflow shipping bags prior to placing as may be necessary to avoid trees, boulders, or other bundles in the trench(es). Remove any plastic bags in the obstacles. trench before system is covered. 10. Final contours and landscaping should be done in a 4.The top of each 1201 P-GEO and 1202H-GEO bundle manner to promote surface water runoff. contains a geotextile pre-inserted between the netting and aggregate.The geotextile is present to prevent soil intrusion Repeat steps 1 thru 10 for each required trench. and shall be placed facing upward. If using the 1202H-GEO, the bundles shall be placed with the geotextile on top and in As required by state or local regulations, be sure to obtain contact with the geotextile contained in the adjacent bundle proper installation inspection from the DEQ or local unit of before backfilling. government with jurisdiction prior to covering the system. 5. For EZflow products not containing GEO, only the top of After the system has been completely covered,vehicular the upper bundle should be covered with 60 lb. untreated traffic across or along the trenches shall be avoided. building paper available from EZflow. Other material such as DEQ approved geotextile may be used.A geotextile cover is necessary in sandy soils. Contact Infiltrator Water Technologies'Technical Services Department for assistance at 1-800-221-4436