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HomeMy WebLinkAbout1988-03-31 Septic System Design ReportT^?wr7. c*'n t>i<r o 16 ^ 7yN**'n1o/Ito vj 7'.,’z I^V4o c I'^ii?!F=V-<5 ^ ^ V* UJ Stfi $ q ». ^ I •; I I fi1 0 oV*■V io JjJ-i.J?li( g UJUJ lU UJ UJ ?1 5Vlg .-c;cC”P»» -( 8 ’S fe J(i Is r lE IJ s 8•a& 9 1 I •B<8£5?s &z i I-j2Vv"^'I II.-V u-M.1 <5TJ-8 I r"ioI1c1"1 I •s -a r'lu•s .LI i 2i-£ZC-i’:fc£iSto ;■ ■.■.*CUlsH££X—:** V"* ..L. .'•••'.€o •I-I ffi •o B 5^•KII !u;*;08 r3 •5 ioR1II |8«S •‘•fi 'R> jse J..J• I S'Bo V llflf-l iI1^m:r I i I ollli^s•o .i «V E srOlV sI inSoI58«t3 Q&11.I■s -B £ItVi ii§.g ON.s IM-S ILO iS«XCrC I 8.I3i. 91I5P %s.£inmg -s 1 I I?2I4m I■5 NI I H as.£f I(0 ?»• \ I i ■■ fe •s I® V e|2 §5 5.^is a/S u>=_i II^ S II*5 tV2^,V I IUi 1 I1in>In u V% X i s a<; V. 11ss m ?%- 0 I- t?:/ 0:0-m Sf! ■' •■ . ! . 3 0 Itl V 5 I .rJ tr z * ■sif,tf »s r 8 5 j •• ,3 r z ^ V 5 f Q>/ 7 ^ c Vlr §(T lv>:; Qa 0 Ct aCT' - **tiVo>» V«<^ioi .u~» <05 «o 0> T Uj.: jK-li <0 CD a I r f< I - 07»«-jsT' S»i?f0.V-* J \ 5 r-hlf'J S “^1 «l '^ 1 J sfi S'! I4 S ( ' ! ' -ill u - 6 » I S i; K L- / >N » , ff Si- .s -aI 1 flS a- (i8“ St tt, 5l-v.p p i4,p Orf) I It ^i; .SI ii ■•w xiv?*miSL: ,*^'ii■i ■ ■?, 0--:/y ■ ‘ V ■« m A-.vJ*^t4r iV-' Wi»S »i sBiags mssM" «1 ««i^11 m m‘p t ISitI:Si-M "IS 0 r '; M ,Aw. /m ?■ Pi '-\'S Wm tp. fi, m %y- -v; ^■r: f ■ ■ f, mm. m THF'V*S n< S-P TESTING, INC. 951 KATYDID LANE ST. MICHAEL. MN 55376 497-3566 STEVE SHIRMERS March 31, 1988 Tom Betz Lot 7, Block 1 French Creek Orono, Henn. Co., MN This system Is designed for a Type 1, four bedroom home and in accordance with the Minnesota Pollution Control Agency standards WPC 40 and local ordinanaces. The soils on this site are typical of SCS soils mapped - HeC - Heyder sandy loam. A seasonally high water table was not present. The soils at a depth of 30" have a percolation rate averaging 8.8 min/ inch and are adequate for a standard treatment system. All neighboring wells are located more than 100' away from the proposed treatment area. Keep all heavy equipment off of the proposed treatment area before and after construction as much as possible. The treatment area should be marked off before construction. With proper installation and maintenance, this system should have no problem in treating septic effluent effectively. It is recommended that the septic tanks be pumped every 2 years. Steven B. Schirmers SBS/ds Soil and Percolation Teeti Septic Sy$tem Detign \ ' "r ■ m 77: 7P :: M W: m S£3i*i -f. ■V -4 it-. \yx^. 1% ^ Jl r -': &■' & ■ ^ ::tf. ^ .; i.. y)m a- i j r- 5:; t Ujjji^f^S^^^orings Location or Project ^‘A€_"^ f fiVoc)C \ _______ » ■ ;>;■.<;• I L-13 1 I Borings nadt: by j^yvg. SAeOg.«-\ P^.Scl-\>C‘«v><irs Data Claaslflcation Syaten: AASHO_ _ _; USDA-SCS_ _ _; Unified / t other_ Augar used (check two): Hand _>/, or Power_ _; Plight_ _. or Bucket other Depth, In feet . 0 Boring number L Surface elevation 1 — •2 — 3 — 4 — 5 — 6 — 7 — 8 — 9 ™ 10 — ■TopSovV Oof'C BfoijOf^ Voarv^ __L.__0-(^Z_______ SifoUJi-N cAouk^ Vook.r<-s (o-- - _____________ ‘SoLOkdkA^ VoO-WN CV\cA’»Ok.xv-> *Sok.Cs<j^ ^Co'os»~\ V o Ck. w> S <>rv3k_ ____ ___H'Bl ______ ^CcxOrN ‘^cncL. End of boring at SNa feet. Standing water table: Present at_ _ _ _feet of depth. _ _ _ _ _ _ hours after boring. Not present In boring hole J' Mottled soil: Observed at ___ feet of depth. Not present In boring hole /" Depth, In feet 0 Boring number Surface elevation 5 — 10 — To^ViA Dir Vk ^fowors So.fN(JkxA^ CAouA \0O.<v>0’\' I’-naj___ \OOk.»v^ oroi*i<VOCvwvA ____ .* I ^("Ockirv fVsC.A.»kJk.krN-v So«.AcL^ VoOcOfNk^ ^a.M-\cL_ ______: _______M'lO". ____________ 0r\C^xO.or>v S<vr\(i^ ^ u>\'^rc*.ce$> of V _ _ _ _ _ _ End of boring at Pi'liL feet. Standing water table: Present at _ _ _ feet of depth. _ _ _ _ _ _ hours after boring. Not present in boring hole s/ Mottled soil Observed at feet of depth. Not present In boring hole mm 1 •i fXsM:1** ' t. i V:.- . % •^V ^‘:’'v.-. I iKk0 ' i l-i vf," Lo»« of Soil BorinM L-13 Location or Project S'A-c'^ \ Borlnga nade by S-? j<??Ag.5jLcot.rig>.Sf\rCc<vNtrs Date ")>Cg-e"( Claaalflcatlon Syatan: AASHO : USDA-SCS : Unified V ; other _ Auger ueed (check two): Hand /. or Power__; Flight___, or Bucket _^; other Depth. in feet . 0 Boring nunber 3 Surface elevation I — 2 — 3 — A — 5 — 6 — 7 — 8 — 9 — 10 — '>o^50»» OaC\t &roiA>ov SftrNc^ jD -ioj:_ Sc*.'r\‘^ CW.v^ ____ vo“- \'U ____ \oec»v'*^ ________rb'-s*______ ^(0«-0»-N _________3'--5:(s:______ 6>rovj>i'^ rvNCvvr>r>v *^Ok>oc!L«_ __________S^b*-Tb^_______ \Ac 6>Co*^«-<v CV\< <k'« Sokfvk^ ____________________________ End of boring at B*<a feet. Standing weter table: Present at_ _ _ _feet of depth. hours after boring. Mot present In boring hole -0 Mottled soil: Observed at feat of depth. Not present In boring hole •/ Depth. in feet 0 Boring nunber M Surface elevation 5 — 10 — 'iVapscv OckfK viro’ua.^ Voo..>-^ __ ___O-fe:______________ (5^0VJOrv Voc**»'^ ___• feT- Vocvrv-.^ Voe\.«v->, __L. ^ ^("CJvOr-s rv^e A* vji.rx^ \oOi.r>r>, ___L ___■y.^"-sNjr ____ ^fO»-0«-N fN'VC.A-v ____ ____i'iAjJ»Lsi' ____ _ VAt. ^ccsv>i^ xwc A; < _____ yy. gfiA_____ End of boring at Q'l^ feet. Standing water table: Present at _ _ _ feet of depth. hours after boring. Not present in boring hole J Mottled soil? Observed at feet of depth. Hot present .In boring hole •/ ' y0K A■A K ’0^ H- ■. m m- S I 57^ M 0 y-’' V: m wmm I. v.«-. mmi••-v rm m 'i ,v m .. Y . - -I w 3'i ■f -•W'm n i e.:: ‘ ■| S' Wi^ ■■../« f# Leeatlon or Project SA c.^ PAat-Vc. \ _____ ■ ‘ ' '' ii, ‘ :■ '".y: .•■•■X L-13 Borings nadt: by ' Date Classification Systan: AASHO i USDA-SCS : Unified I' t ether , Auger used (check tMo)t Hand / . or Power_ _; Flight_ _* or Bucket other Depth, in feet 0 Boring nuaber 6 Surface elevation 1 — •2 — 3 — 4 — 5 — 6 — 7 — -S m 8 — 9 __ 10 — ^OfSoA Oo.f< &rOi>3.-N \o<X«v> Q-Bf VOC*.<ry^ UiiI'^r0fc.eeS g’-x-ft- op ^u/n(L C>fOofci<^ Voofcwst^ *5>Ck.r\cL. __________Le-_4iii:_______ 0>rOoCiO. VoLfcAe-C o9 ^ loo.^ 2'iS-S' tv^€.<k.\oe«v^^Ofc<\Jk.. S*-g,-U’ End of boring at fiVa. feet. Standing water table: Present at_______feet of depth. hours after boring. Not present in boring hole v/^ . Mottled soil: Observed at feot of depth. Not present in boring hole v/^ . m Depth, in feet 0 Boring nuodier Cs Surface elevation 5 — 10 — ^op^i( Ocfcf'^ ^rofcO#^ Voo.(rv-fc^ O-IO" Scoco^ VoOfc:»fcns 'hrOfc.CCS of C,\cxfc\ Sck-rNd*. ______ \0''. &<• ooa«->> \oo>^r^»vfc^ Sifc>>«>A^ 1. @>fovjfcifc^ JV-S^ \\V &c Ofc*i<-N CtnC <X^ Sji£jlla: End of boring at feet. Standing water table: Present at _ _ _ feet of depth. ■ hours after boring. Not present in boring hole J Mottled soil Observed at .feet of depth. Not present in boring hole ^_. ■"V< VS IS 1 ■ , ■■, • i >. i; i . vr -v: m mm a 'At il "t»-.Wm^r m x^';V -I .F/,. fc; m-. Iv- ?T,; IMi 'i!>. ■r , C &■ A m W' '.-'r \-m«' S: I. , ^ a> •-1*^- ' I T®«t hole location SAc.'*). &)\qcX > Date teat hole wee prepared (oDlaaeter of hole, Soil data from test hole: Depth, Inches ■A:l^': ,‘y:' *w:.> L>14 PERCOLATION TEST DATA SHEET I Hole number , Depth of hole bottom.Inches. inches. Soil texture OiivCVC Ar Vo fVWN.'f (o'- H"fiifOoOrs. StOfvcjux C\oiM VoCkc W- ^16*fcCOvjOi^ .‘So'CvV^V Vocviv-v fi>fOLOr>, ifVvC A.'«u».<v-> ^txiriA. Method of scratching sidewall Depth of pea^slzed gravel in bottom of hole. Date and hour of initial water filling _ _ _ Depth of initial water filling. _ _ _ _ _ Inches. • 3>'‘\ ?p.fVN. inches above hole bottom. Method used to maintain at least 12 Inches of water depth in hole for at least 4 hours (XvAjroAMxVju^ Percolation test readings made by ^A. tocfi■SLU\c,^^Nl,gr^. on >-1-8^ (date) during test. starting at *).0O 4? inches. . Maximum water depth above hole I Time Time Interval, Minutes Measurement, inches Drop in water level, inches Percolation rate,. ml mites per inch r Remarks « n-.CX>33c> &:oH C, ©••MO .£a± q.to (o aVe, (e9 5 . ■4 ((• lO.O i &'"f l&R._ Percolation rate ■minutes per inch. I i-ET ■: ■ J •• -- .v '■ XyhJ « 4 a M ■■y:s-^v:•i ‘ fmm L . PERCOLATION TEST DATA SHEET ;>. '“'■'s:» L>14 v;. 5. ■4 V/:: L> •#•« r'%.&mMm ■ m mT'"fm 'It;t ' 1 Teat hole location SAc~). SAolV;. t Hole nunbar A. Data test hole vaa prepared__ Dlaaeter of hole, (o inches. _, Depth of hole bottom. 3o inches. Soil data from test hole: Depth, inches Cy-L," (cT- m- Soil texture Vq^SoW CAcvCYv Vocv<-v\ P>»aOi. StafvcL^ C\ol»A Voo-otn JS". is*fee J ooor\VC)CV<N^ fectocK^rv <V\<A'>o«Nr> ScvrvA, Hathod of scratching sidewall _VNrs,\Cc Depth of pea-sized gravel in bottom of hole. Data and hour of initial water filling Depth of initial water filling, Inches. Inches above hole bottom. Hethod used to maintain at least 12 inches of water depth In hole for at least 4 hours tXvjJc Sr.(^V^c«.orN Percolation test readings made by S-?^esA.‘»rsct '!I^wwC‘■ SA coc.^ fe.Sc-V->‘.r<\-vfrs. on Tdate} during test. starting at 4? inches. ■ CNCt iTiiiTy.CCs . Maximum water depth above hole—p.m. Time Time Interval, Minutes Hsasurement, Inches Drop in water level, inches Percolation rate, mtmites per inch Remarks I ~A.3C> S-oH 6:o") a.so C, 2l1± q.io Co 3iVe> (cy A ((• \Q>.CL 10 A Percolation rate •minutes per inch. ti’r.t. i- tf «!■ ■I t; m.: m mm m mr. fm mm [ f- v^- Wr mm,. -''{m-mmmmR; 1 % ill Mni-- ■s':-'. ■Lii m W-M^-- m ^,i- ESi?l M I fev ■ PERCOLATION TEST DATA SHEET ■,-' r ••' ■' V '• ■ ;. 1 L-14 I T««t hol« location S i'^ g. . 6^loc.V. I*-Hola number el \ Date teat hole wee prepered_^ Diameter of hole. (o inchea. _, Depth of hole bottom. .*ir> Inchea. Soil data from test hole: Depth, Inchee Soil texture \y-1€>“ QckCVC *^f\fL.x C.Va..\ Vac ^Cs.»'\A*\ Voc^-w-t ■> ift'-at*Vo Ci.<s>0 AJ-30’TVV'C X.Vvi.<v% So^%~Nck- Method of scratchlna sidewall VC<\vC€- Depth of pea-sized gravel In bottom of hole, , Date and hour of Initial water filling Inches. ~*V.fV. .vx. Depth of Initial water filling.Inches above hole bottom. Method used to maintain at least 12 inches of water depth in hole for at least 4 hours <vA c\egAfA AxJl'\-& ?)Ok<r\A~^ SoAS_ _ _ _ _ Percolation test readings made by .^'Vaocf\ '5.ScUiCrNi-rS on. starting at (date) . during test, o . Maximum water depth above holep.m. Inches. Time Tine Interval, Minutes Measurement, inches Drop In water level, inches Percolation rate, minutes per inch Remarks "Wo >.a 8 '7.VB ">-.n ft a & a ft & H «vx'.. T-H5 8 8 .(o s ft 8 .(o a s(c^ «« Percolation rate • »(o minutes per Inch. -vr -V '.i .V 'J ,S..: ■S1 ■A' r: f J * « 0 n % tmm pi ili;: iiPS ! A-? m if ./i w.;r •■i wm i * ■ V mm ■ymmI li 1 s imMmJdM. W:': W. M ■ '^pr liK-. iv<- m 1 1 ?-. *a r:- ft' t'■ . ‘‘ < '■ .-' <4 M I L-14 PERCOLATION TEST DATA SHEET Taat hola location S'v^C 6Voc>V t Data taat hole vas prepared_ _ _ _ Dlaaetar of hole, Co Inches. Hole number 5 Depth of hole bottom. 30 inches. Soil data from test hole: Depth, Inches O- VO- 4 ^Tg»^sotV Q Soil texture OC \C. ‘^CvfSi \K*. 3d- h cAoo-^ Voct-<v-\ ^Ck.'ivA-*\ ^oc*-v>-v J Hethod of scratching aldevall /f\vP e Depth of pea-sized gravel In bottom of hole. Date and hour of Initial water filling Depth of initial water filling, IIL_ _ _ inches. inches above hole bottom.A Hethod used to maintain at least 12 inches of water depth in hole for at least 4 hours f\xc , _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ Percolation test readings made by starting at . (o inches. Maximum water depth above hole Cdate) during test. "Sal 1 Percolation rate, minutes per inch Time Interval, Minutes RemarksDrop in water level, inches Time Measurement, inches 0 “i; l«lo 6-.C)S (a IS.Oe>.3S v^.Oa.Ml u iim 5S.;. m: Percolation rate ■ \4.9>minutes per inch. 1 r-;a‘mm -3 m<1 t-': ^' . ■■■:t ::r4 p-?••'vr'' i ^i'¥%■ ' .V'—^ i '■'%;■''-W' i':‘« m- <> > mmmm PERCOLATION TEST DATA SHEET ! L-14 .!< ' T«at hole location S‘Ac^VocV. V. t Hole nunber A Date teat hole waa prepared__ _ Co Inchea. _, Depth of hole bottoa. 30 Inches. Dlaaeter.of hole. Soil data from test hole: Depth, Inchea O-fe- Soli texture Vo^bOtV ^Covji.^ Voc^r d-H'CVcvA^V. \.C)(x<nv ^ ftrCXj^fN *?M\ OlVoX c\cu.K VofVts- V,c>o-< Method of acratchlnR aldewall KrC.C e. Depth of pea-sized gravel In bottom of hole. Date and hour of Initial water filling Depth of initial water filling. •^•(0-64 Inchea. Inchea above hole bottom. Method used to maintain at least 12 Inches of water depth in hole for at least 4 hours fVi A S\.c0Ci-\ &, SgU,*. rtyNe/**; on Maximum water depth above hole m MiA- ..|V p,rr^ * VA. Percolation test readings made byr starting at _____ (=> Inches. *(date) during test. Time Interval, Minutes Percolation rate, minuCeH per Inch Time Measurement, Inches Drop In water level. Inches Remarks (O.M ^:MO ?>-.(n v.a.r> LRot2l^O.L, vs.o . ,1 6. r.: S Percolation rate ■minutes per inch. V. ■ ■ ■■r-' r 4- s -m, II; m mm : 'Si 'V ■ ■■;■ ^ ■■■'V D«peh of pea-sized gravel in bottom of hole. Date end hour of initial water fillie« Depth of initial water filling, ^ Hethod used to maintain at least 12 inches of water depth in hole for at least 4 hours CVuAjCi rsxcr^v. C *?Kri."vQ rv Percolation teat readings made by ^.-P‘^csV!vf\c>>.^f C.S^toct>. ?3.ScWr.N>firS on (date) during teat. starting at (:? inches. -p.m Maximum water c|epth above hole Time Time Interval, Minutes Measurement, Inches Drop in water level, inches Percolation rate, minutes per inch Remarks I * U G <-ri4 833 6j MVu, in Co Percolation rate •s.i minutes per inch. y will -'iClm mm Kilililii tf mfr y i;=: i 2 L-14 PERCOLATION TEST DATA SHEET ■m fiTeat hole location S’.Vc'^^^V 5;Hole numberOC wm , Depth of hole bottom. 30 Inches.Date test hole was prepared Diameter of hole. G. iinches. P'S'Soil data from test hole: Depth, Inches O-W Soil texture V C^c«^t VL VoC. <V-v/TV Gvcso:ir>. \if'S-8'- ao-mV.S P^fo>.orv Ve>csoo.Ov S<>-»'N<^^ J m^mmmsMethod of scratching sidewall C <3l inches. inches above hole bottom. m ''/• Mmm ^4/< ■' '.‘''SfiSB! i! ‘ Ppfe iCppI ’"V Tm ■ ^A- ' if ■ f>.i m 'M 0 nL-14.j • ■;'PERCOUTIOK TEST DATA SHEET • i.-a'•! i 4,Hails number m rJi Test hole loeetloo ^VoO<V m a ■J. ' feii W. !»■ .i- N t-l m.mm L'. 1-1 Date test hole vss prepared_ _ _ Diameter of hole, 4? Inches. Depth of hole bottom. 3q inches. Soli date from test hole: Depth, Inches' Q-KCi"/> Soli texture I^.V (Nf^c VC ^C»>-0\oc».<rs- Vct(^v^o:>|'Tr(xce*. o? C\<^>\-»^o<L ft.fc>oafv Vqcv«\nvK ^cxr\c^ J Method of scretchlns sidewall W\a C. Depth of pee-sized gravel in bottom of hole. Date and hour of Initial water filling Depth of Initial water filling. inches. Inches above hole bottom.lA Method used to maintain at least 12 Inches of water depth in hole for at least 4 hours r%. f~>(v\ rs Percolation test readings made by • ^Coev>^. on '^0-p.<4 starting at . Maximum water depth above hole (c? Inches. (date) during test. Time Time Interval, Minutes Msaaurement, Inches Drop In water level. Inches Percolation rate, minutes per inch Remarks 0 a'.oi fi.OX 4 R'M B'D L 3‘1& 3'lft ‘^.42. m >■< a--: "M; Um VV -V-sAm ::'.i li \ 1 Percolation rate ■_ _ _ _minutes per Inch.-; 1 i 0^ P ■:’» V. :.A ■A Mm■n m•% / '5?? ki lb. .11,.. S3il- ' ,• '"1.:v ■ J:;- '?.:.;;i:;>^ ■ , -s.. \ V ,1 I- •* > .* v-c K Mmit^ Ir 5c •* ,1. Wm yw-u •i^•i ;\f.5'y i'>W yy^^fV.2 :■■-■y✓y✓yyi/ym/yyv yyIS'7' £ // 'V y^y /y'V i 1 -A</ \y/"\\ V/n \ SETTLING -I-------GRASS COVER y'^ ^------^Q- TO 34" OF SOIL^y'^ / COVER ABOVE ROCK 3/4" TO 2 !/2‘ OIA. CLEAN ROCK •3"-4" LAYER OF l/NCOMPACTED HAY OR STRAW COVERED WITH RED ROSIN PAPER TRENCH BOTTOM MUST EE LEVEL THROUGHOUT LENGTH 2" MINIMUM ROCK COVER ABOVE PIPE I // --------6" MINIMUM ROCK DEPTH BELOW PIPE 4" DIA. RIGID PERFORATED PLASTIC PIPE WITH ONE ROW OF HOLES ALONG BOTTOM I WATER TABLE OR IMPERVIOUS LAYER SUCH AS CLAYPAN, ? __ ^ROCK, ETC. \ 'll. m v> SCtT •■--■w.te«-» -ft - l-S ■ V V '■' -'N- r ■ d‘" :€ V..:f \ ,‘W. .• A ■■■•>■ . .■ ■ V - .- N ■A / 1 s •:i? A. k. m 'i m r.: : . ,v. :. A: V 1>’ A I ill I imii % ■'t! ■: M ts \ J ■' ,=’St 1.S 1 •.cflVH "I ■■.r,..] TRENCH CONSTRUCTION DETAILS INLET rPIPE TO NEXT ' DROP BOX i 4 mn ■M- u 't • ^it 4” DIAMETER INSPECTION WELL WITH CAP EARTH BACKFILL AT LEAST ^ * 6“ ABOVE TOP OF ROCK %•>* 22 4" DISTRIBUTION PIPE 4 TO 6 INCH LAYER OF MARSH HAY OR STRAW AND LAYER OF RED ROSlN.j,ps5J Z AT LEA.ST 6" DEPTH OF CLEAN •• TO 2 V OIA. DROP BOX •MAXIMUM LENGTH ■ 100 FEET ISfer OVERFILL •4 TO 6 INCHES NOTES: V BACKFILL ’ *sS5?»" —r ROCK 18“ TO 36“ BOTTOM OF TRENCH MUST BE FLAT ALONG LENGTH. INSPECTION WELL 1 G^TO 12" OF SOIL BACKFILLAi 2. SLOPE ON DISTRIBUTION PIPE IS BETWEEN LEVEL AND 4 INCHES PER 100 FEET. RECOMMENDED SLOPE IS I TO 2 INCHES PER 100 FEET. 3. DISTRIBUTION RIPE CAN PLASTIC WITH ONE OF THE RO LOCATED ALONG % INCH OR I ONE-FOOT AGRICULTURAL DRAIN TILE CAN BE USED WITH A '/a INCH SPACING. BE PERFORATED LARGER HOLES. S MUST BE M OF THE PIPE.SrT2" DEPTH OF %.^ROCK ABOVE ^ PIPE AT LEAST 6" OF 1 ROCK BELOW 4. SCARIFY TRENCH BOTTOM AND SIDEWALLS —1 PIPE AS HIGH AS ROCK WILL BE PLACED IN THE TRENCH IN ORDER TO EXPOSE NATURAL SOIL. REMOVE LOOSE SOIL BEFORE PLACING ROCK. 5. WHERE TREES ARE PRESENT OR LIKELY TO BE PRESENT DURING THE LIFE OF THE SYSTEM. 12 INCHES OF ROCK MUST BE PLACED UNDER THE DISTRIBUTION PIPE. WlWi’li i -4 mm «iiiiti '■"Si -'-m iiii m I. mH'*m ■OSr im r. o (.1 m B■'rH m ■s 2 V ■5. msmsmm mmMi yi •'Wm ■ “ .>*• kS-'’ ‘Fi'i-'; mi■i m4*5 m itd-i ''stem- -" m m - i'. mM* li. 1 ■ ■ I? 1: I |l i :1| * ^ ' ■3: ' ■' 3'! 3 ' ■ , . y' ■fe:--'.v>\ -s : 1 S-T/. ,.3> 0: n v^ m ■4., f|i' y*\i s“. ' -yim WV y mmKatai !>:■ £ mrnmmm ricuRt S s«>^:i-Si-*■'m-^AliilUa:C:a,->■ i 1 r**" ^OTveil ^GRASS COVER 1. -fc'_ 4 4.___ JL k V±:JjL ’ DROP BOXES .-.•i •-•---1 ■""■ •:... \\\\4* DISTRIBUTION PIPES---- DROPBOX 4* WATER • TIGHT PIPES------- M'I i I UJ^:;r.rj'i.v.v.:iv.i ;. I SEWAGE TREATMENT SYSTEM WITH DROP BOXES inlet from SEPTIC TANK OR PREVIOUS DROP BOX / outlet TO TRENCH rieuiic 6 NOIIS. I.ALL PPES SHOULD BE AT LEAST 4-INCH DIAMETER 1- SUPPLY LWE \ TO NEXT\drop box • 3. SUGGESTED TRENCH LIQUID LE^L IS 2* ABOVE TOP OF OUTLET PIPE 4. Supply pipe, to next drop box outlet to TRENCH s. i II. /-supply i- S./ LINE -outlets / TO TRENCH f .i.iry."Im ri-4 iximit I 1 I (XL ^ to trench5.............—J■;'V DROP BOX M^V.‘V'ai m aM e. TRENCHES MAY OUTLET ONE SIDE OR both sides OF DROP BOX inlet I 'eHT 4 r-i outlet TRENCH1. —___ ifc .^■'viaa^^aSS hi •■ : af? %':a-. iM.l&a ( mMWf ! >■ m s*5'* Sja'a,; ^0.‘■'P. ■- ■ K bvmmmP 'Smm&m.•4'-1'ammMwmmM i-' 'y- fr m. 3SirII flMir >•<4 ■ ''S-.i,. PENCIL H----f MARKS yy H t rk [»L i LKit. L i Lpm iHOi.E-^r IFMANHOLE!!9/—# i . i I t INLET X 4 * . r ■?-. i. r . ■Yy-:-y \' -■■.<y. 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