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4. <br />Drain6ictd - Voun dtain6ietd iz .the component 06 yout septic systcm the contnactot <br />has least cca of ovet, no mattet how tecU con-sttucted a dtain6ietd .i.s, it as <br />no bTEFe—A than the ,soi.t it ca ptaeed -in. Fot example, a 1500 aq-sure boot dta.in- <br />6ietd in heavy etay with high water tabte actving one residence may not uxttk as <br />welt as a 400 square boot dw n6ietd in sandy toam with no a tet tabte ptobtem. <br />The ao.i..t .i.a vari.abte (thanks to .the gtaciets) and may be comptetety di66ment <br />in tocations teaa titan 100 beet apart. <br />The type o6 tepaits of reptaeement o6 yowl dtainsietd iogica.tty shoutd be based <br />on the capability o6 yowl patticutcvt Boit type. To do this, it ib p.tudent to <br />have petcotation tests and soit botings taken. The "perc" .test iA a measwte <br />06 how bast tvatet w.ttt move tlaough the Boit. Sot,ings a.T.W indicate the depth <br />to uateA tabte of aeasonatty aatwtated conditions (indicated by mottted ted and <br />gray coto4z in the 4oit) and shoutd discover any hardpan on stay tayeta which <br />wi.f t .impede k ten movement. <br />a Soil borings/perc tests are required. peep T° pprMCArNE ^tsw- <br />C&Ja !'r7pN Op <br />F] Soil borings/perc tests are recommended. <br />nSoils borings/perc tests have been done previously or are not needed. <br />based on the Jinding.s, the pertson doing your testing ahoutd design a system Jot <br />yout patticutat tuatet useage (based no)tma,tty on 150 gattons pen bedroom pet day) <br />and bot yout partieutat bite. It .w not unusuat to Sind that Jou may need a <br />mound -.type system, since .the mafoA to of U•tono's so.its ate ctayey and have <br />peached za.tutated zones within a sew Beet o6 the 6wtsace dwting pant o6 the yea%. <br />Ttench systems instatted bt these soils in the past o6ten expo-tienced 4easona.t <br />6a-i.tuhe. HoteeveA, in many ptaces Ztenches stilt can be uzed tLItv.e conditions <br />ate suitabte. <br />NoAmatty, the City Inspeetot tui.tt recommend what he Jeeps ate .the minimum <br />acceptable aepai is based on his knotetedge o6 the bite and situation. HoweveA, <br />there .ca no guarantee that the recommended tepaiu wctt be adequate. Fot <br />thi.4 teason, a design based on ao.i.t teating and yowl par„ ti.cutat ai,te and <br />uxtteA usage i.4 atmoat ativays recommended. <br />Number of Bedrooms in Home 1 2 3 4 5 6 1 8 (circle) <br />Recommended type of drainfield <br />F] Standard Trench; square feet minimum <br />F] Shallow Trench; square feet minimum <br />Mound Dimensions <br />Other <br />No Recommendation on system type; you should have soil testing done and have <br />a system designed by a site evaluator, site conditions are too marginal or <br />unknown to make a reasonable recommendation without testing. <br />S. 16 the 6aitune o6 your 6yatem is causing a 6u lace di.acharge that i.6 a potentiat <br />nuiaanee to yowl nei.ghbots, you wi[t notmatty be requited to have your tanks <br />pumped as o6ten as nece soAy to etiminate thin discharge, untit yowl ayatem i,a <br />tepaiAed. <br />Page 2o63 <br />