11857424 - Laserfiche WebLink

Home Browse Search

Septic Site Evaluation 555-23-004625-EVAL Page 2 of 3 �'g s� 17-15',.�..a s. .....ar _ . °.-"I •;v^e ti M 3 �. i'e'T"' , i'"St' t* - '2;f yl'. f' 7. i • 4 • ;! C '"'X vA ;p-t* Lt ilL PSC A �•? Q' A 5i.O s k,'. '17 Cfc ' 2-' i- i'`rN et '"" ' eS¢ ' v S k, 4-1,M, S �tf,XtA '.'a•�ti}fi ``,gig';- ' ,.v ii?4- r, Y. 1' G i R"'u} ' i .,, f �iJ,�ti „� T I: Uta'S4*F fa-- as F'!C' t iric—Xk i •;*.Iv;» ��`. ..'3 y.3e :' k i4.-'if'"^.�'. 1 .. .. .,, .'. '4,11.1.0 r ' '• •:Y .S .,' Vim.. S of aun4440 et i, L ,. Initial System Replacement Area Groundwater type: Temporary Temporary Drainfield type: Capping Fill Gravelless Drainfield sizing: 125 linear ft/150 gal. 125 linear ft/150 gal. Other special requirement: Total trench depth after capping fill must Repair area will require electrical permit and an reach 30" audio/visual alarm. Capping fill must be the same or 1 textural class finer than the native soil. Conditions of approval: •Capping fill rules at OAR 340-071-0265.Construction must occur in dry soil conditions between June 1 and October 1 unless otherwise approved by the agent.The cap material must be pre-approved by the agent prior to placement.Minimum 10-ft between edge of fill and trench.Drainfield area must be scarified.Contact between native soil and fill must be mixed.Final cap to be seeded and or landscaped to prevent erosion.Protect from livestock and vehicular traffic. Serial distribution.The cap material must be evenly graded to a final depth of 16-inches over the drain media. •The system must be installed by the property owner or a licensed sewage disposal business(installer). •Vehicular traffic and livestock must be restricted from the system area. •AII roof drains must be directed away from the system 'All tanks must be tested for watertightness and have a water-tight riser to the ground surface.Twenty-inch minimum diameter if less than 36-in deep.Thirty-inch minimum diameter if greater than 36-in deep.Maintain access to septic tank for pumping and service. •Meet all required setbacks •The system must be installed in the area approved during the site evaluation and in accordance with the construction plan approved by the agent, including any changes made by the agent. •AII work is to conform to OAR 340,Division 71 and 73.Make no changes in system location or specifications without approval by the agent. •For product approval information and manufacturer installation requirements see DEQ website at: http://www.oregon.govideq/Residential/Pages/Onsite.aspx •A minimum 18-gauge,green jacketed tracer wire or green color-coded metallic tape must be placed on top of the effluent sewer or pressure transport pipe from tank to drainfield. ▪Effluent sewer.The effluent sewer must extend at least 5 feet beyond the septic tank before connecting to the distribution unit.It must be installed with a minimum fall of 4 inches per 100 feet and at least 2 inches of fall from one end of the pipe to the other.In addition,there must be a minimum difference of 8 inches between the invert of the septic tank outlet and either the invert of the header to the distribution pipe of the highest lateral in a serial distribution field or the invert of the header pipe to the distribution pipes of an equal distribution absorption field. • •Header pipe from Distribution or Drop Box must be minimum 4-ft length,level,and bedded. •Each drainfield trench must be level within a tolerance of plus or minus 1-inch. •Maximum length of an individual trench is 150-feet. •Serial distribution,each trench bottom to be level and on contour. Use Drop box(es). CALL BEFORE YOU DIG...ITS THE LAW ATTENTION:Oregon law requires you to follow rules adopted by the Oregon Utility Notification Center. Those rules are set forth by Oregon Administration Rules.You may obtain copies of the rules by calling the center.(Note:The telephone number for the Oregon Utility Notification Center Is 1-800-332-2344.) 8/17/23:8:27:26AM Page 2 of 3 ONS_OnsiteEvaluationpr