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/4� <br />i4. DtatnSietd - yout diamiietd is the comronent o6 uour ae.ptc-, system the conttac.tot <br />has least contwt ovel. No matter how welt constructed a dtainlietd is, it is <br />no bZffe—t titan the soil it is placed in. Fot example, a 1500 squatc boot dtaut- <br />6ictd in heavy clay with high watea table -sewing one te6idence may not work as <br />welt as a 400 aquate Acct d4ain6ietd in -sandy loam w4th no water table µtobtem. <br />The soil i.s vatiable (thanks to .the gtaci,,u) and may be completely di66eren.t <br />in toes tions leas than 100 beet apa�tt. <br />The type o6 nepa.ut.a on 4eplacement 06 you- drain6.ietd logicatty ahomed be baz�d <br />on .the eapabitity o6 your pa4ticutat aoit type. To do thio, it is prudent to <br />have petcotalion testa and aoi,t bot'nga taken. The "pert" teat -i.a a meaaute <br />o6 how 6a6t water will move through the aoi,t. 8oaings witt indicate the depth <br />to oaten table on swonatty aatutated conditions (indicated by mottled ted and <br />gray eolo.ta in .the ao.i.t) and ahoutd discover any hardpan on clay hyena which <br />wi.tl impede water movement. <br />Soil borings/pert tests are required. <br />����❑"` Soil borings/pert tests are recommended. <br />❑ Soils borings/pert tests have been done previously or are not needed. <br />8ased on the 64End'nga, the person doing you% teating ahoutd design a syatem Son <br />your patacutar water uaeage (based nonmatty on 150 gat.tona per bednaom per day) <br />and 6o•t your partieu.tar ate. It iA not unusual to Sind that you may need a <br />mound -type -system, ai.nce the majority o6 Orono's soi.ta ate clayey and have <br />pe.tehed sa.tunated zones Within a Sew beet o6 the 6u46aee during pate oS the year.. <br />Tench syztems i.nztatted .in these aoita in the past o6ten experienced aeasonat <br />6ai.lute. However, in many places menthes atilt can be used whe,te conditions <br />ate suitable. <br />tionmatty, the City Inarector wilt neeoamend what he beets are the minimum <br />acceptable tepaZ%6 based opt hiz knowtedge o6 the bite and s i.tuation. HotreveA, <br />thete is no guatantee that the neeommended nepaira tvi,tt be adequate. Fon <br />this reason, a design based on ao-i..t testing and yowl patt'eu.taA site and <br />venter usage is almost a@tatya neeommended. <br />Number of Bedrooms in Home 1 2 3 4 5 6 7 8 (circle) <br />U Recommended type of drainfield <br />❑ Standard Trench; square feet minimum <br />❑ Shallow Trench; square feet minimum <br />F1Mound 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 />5. 16 the 6a.iluke oS your ayatem is causing a 6t.t6aee diachange that i.s a potc►ttiat <br />nuisance to your neighbo-ta, you Witt no4ma,tty be orequ Aed to have yours tanks <br />pumped as o6ten as neceasaty to eliminate this di.scimge, until your -system is <br />.tepai t c d. <br />Page 2o63 <br />