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Home My WebLink About1987-09-25 Septic System Design Reportr! ^3 DESIGN DATA STANDARD INDIVIDUAL SEk-^AuD TitiilAlTlEi^r SISTEH A Sewage Flow Rate Abased on lainnesota Rulesj Table II Part 70b0 Type ^ House BK ^ gpd D Septic TanJc Volume: c3 Woo a <»>v -OjCpX^ ; D w M- ucuerirtdcs: 1 jepv.n r,o .. j a.i zone of sauura.ion level 2 3 k 0 .. zone or sauura.ion level ^ n mottled sell level ^ inches C S ^ ^ S i Average percolation rate S 7* t> design range Soil sizing factor Land slope S- % ^ mip/inch min/inch sq« ft./gpd Treatment Area iDrainfield) required 1 Soil sizing factor X dally flow rate ft/gpd X gpd ■ ft ndnimum soil treatment area Maxlmuni Trench depth Trench %iidth -^^3_____________ft. Trench length 2 3 U ro ft sq ft trench bottom area trench width ■ 5 6 lineal ft. of trench needed NuiBber of trenches needed ^ C 3-^^ ^ J9c> ^ ^fy(5s Trench Sjpacing iT ft.on center I 7 8 9 Distribution Type: Number of drop boxes Cany slope) Rock depth / ^ * under pipe /iS*^ * total Rock Volume O cu yds. tfl ? tons i distribution bo: system KM,' fe--. I • lo^ . . ci^\ijuumAXx^C/ / '^i^^ 6'h^ i'-x^o'^^lv'/SL-^^ > J i a R- \ -■ fi- D ^ jo ocf ^ ^ s«^ /c?o \' “' » -■f _.i 4 \ i ___'5Tas^q^^. ^P<aC^^j^__%^. C-a^^y^>0‘^ — » - • — UJ«> d . * ... J_ . ^ ■ iQ'.' -fts^ » t I i. • ... -^.. — - .. —._. |-. i — t • . -f-4 I T * I ..l. .. . . -I.„ -. ----1., 4- .... I ' ? f- :-■ ‘• .* ..... ..* I V i J \ r b' f 1 Hcfip 'Rdnn DiTa/^ y ' /✓ ■ 4- ‘*^3 ^i)‘'n£, ‘'»v /f/’^Z/yUff ) '?-\iL.-l-%-7 '59/<>y>_ X r- I It i- u/zi/t<^^ *. *• 'i. : i*. I / f» i i 6 i ; ' I i. : t . V' t r . I f V DESKN DATA; (For a Slandar.. Individual Sewage Treatment System) A..Sewage Flow Rate based on MN Rules Type ^ House ^ Bedrooms B Septic Tank Capclty «« ^ \ JOoo g^aliXow,’ /jjLcJlcS 703o Table II SPD ( Gallons per day) C.. Soil Characteristics 1) Depth to high seasonal zone of saturation level ^'( Mott lad soil level) Inchea 2) Ave. Percolation. Rate 3 mlh/lnch ((deslf^n rapg»j;tr-Lomin/inch 3; . . ' •- .• - - - 3) Soil sizing factor sq. ft. /gpd U) Landslope D.. Treatment Area ( Drainfleld) Required l) Soil sizing factor X dally flow rate^^ r:aq.ft. A-pd X gpd. « IIJ ^ sq. ft. 2) Maxlmun Trench Depth /O- / ^ 3) Tre>^c ) Width: ^ Jjh h) Trench Lenfjth 0‘ sq. ft trench bottom area^ A 9 9 trench %ildth f Lineal ft. of trench needed 5) number of trenches needed: j_l oL X jOO 6) Trench Speclng ^ ft.on center I 7)Distribution type rrop boxes ( any slopn )* Distribution box system ( level ground)t- ^>) Rock Depth \ 3l li ’* under the pipe '* total 9) Rock V ime ^^ / /o cubic yds. tone ^ 8 I #a 1;. ■ i a' -i I '1>p: . •. . ;> .t iI '5 !:f ,■1 h’t’ ■ V t, ► 10) Setback?: Tanks '’I’on' the property lines *7.5'"'./'^ from the well /OA Treatment -area from the hWg from lakes atreamr. Jn jjh from ijroperty lines from veils"7 > l-'f^ ^**o® bldg. An from trees « c C\. ;! .i • ‘|e ■ ’• •* *•■ . ■■ v- *• « 1 ♦ i i A . ■; ' t .iWcP /•.5./J£:)Vi *7 / i S i AI xio^Y «f r i I) li 'N rJrV.J-c. \ 1 .:. cv,pO"l r 1 N ‘ lo» K -fi ytr ^ (d W)jc. 1 V. fv ■plVyx^K Ta5^s,X - lo"-U" \9 •.S 4 A ^'■ t /.u i \ X- \ \/ # I i h .i ■i ; 1 % ■ f ii i i i p. ■'j 5 L^' '.i........... *».:,^->6 TV )00-^ ' V' ■i J7Vc) TA P.3 1 Y7O / '-r.'r 5t/ i,S(i 3©^ / ' 4 la 'L'L >- V < s I V / y • §• I i«^.'t'■ lo ‘■'^ -i***;’ • i ■ ■-.',? "ff f ;■ \ '» j .• A A lf.-1 < *4 ■<V • . *< - t ,^y2 JL '« \ n TRENCH CONSTRUCTION DETAILS TRCNCH ROCK COVER r-irINLET Im PIPE TO NEXTDROP eox i backfXlEARTH BACKFIU. ABOVE TOP OF ROCK r 4* DIAMETER \ INSPECTION \ WELL WITH -------------------------^ / DROP BOXK t DEPTH OF CLEAN ROCH -------------------- 37 TRENCH length • foo'f/~ FEET DROP BOX / r-overfill Lp \ for settling ^11 *"1inlei 1 kJ.m JL r- uvcnriiA. \ FOR SETTLING \ r- INSPECTION ---------V WELL . ^•r outlets TO TRENCH BACKFILL ROCK V .•I »// OF SOIL BACKFILL 1 - OF ROCK BELOW PIPE inlet from SEPTIC tank OR PREVIOUS DROP BOX Xr outlet to trench notes* - BOTTOM OF TRENCH MUST BE LEVEL. TOP OF TRENCH ROCK MUST BE LEVEL. . DISTRIBUTION PIPE SHALL BE INSTALLED LEVEL* TO iLIGMTLT 5L0PIH0. ''(A** ik 104* mM.) C•* SUPPLY line TO NEXT DROP BOX SCARIFY TRENCH DOTTOM AND ^SIDEWALLS . AS HIGH AS ROCK WILL BE PLACED IN*THE TRENCH INORDER TO EXPOSE MTURAL SOC. REMOVE LOOSE SOIL BEFORE PLACING ROCK. ELEVATION OF MLET AND SUPFLY LINE TO SSt DROP BgCJUY K AOAITO DOWN FOR DESIRED EFFUIENT LEVEL M TRENCK outlet to TRENCH COVERS ROCK. INVERT OF inlet MUST BE AT LEAST ONE inch higher than invert OF SUPPLY PIPE TO NEXT DROP BOX. > r \ Location or Project CX. togi^^f^Joll^^Boringa B-31 [ Borings . or Pro^t , nade by )\,f<^r/rX3 Classification System: AASHO USDA-SCS K- ; Unified other Auger need (check two); HandV—. or Power_; Flight or Bucket other Depth, in feet 0 Boring number ^ Surface elevation d, 1 — 2 — 3 — //^;4:' 5 — 6 — 7 — 8 — n V 5-- End of boring at 3) (p^ feet. Standing water table: Present at_ _ _ _ feet of depth. _ hours after boring. Not present In boring hole V Hottied soil: Observed at ^ feet of depth. Not present In boring hole _ _ _ _ Obsurvatlons and connents: . .2 a'si' Depth, In feet 0 Boring number <0 Surface elevation_5? /. 4 — 5 — 6 — 7 — 8 4, \ End of boring nt<^ ^ fant. Standing water table: Present at_ _ feat of depth. % * _ _ hours after boring. Not present In boring hole X Mottled soil: Observed at rx o feat of depth. Not present In boring hole Observations and comments: !; ii >. i 1 1 i ]' ^ 1 1 J \ 1 > . .1 1 t t < ‘.i '1 •i J 4 .< ■ 0 Logs of Soil Borings Locstion or Project Borings made by B-31 Classification System: AASHO Date\ if 2rl y 9 U USDA-SCS A_ _; Unified other Auger 4ised (check two): Hand jy, or Power_ _; Flight or Bucket other ; , Depth» in’ feet 0 Boring number 3 2 — 3 — 5 — 6 — 7 — 8 — Surface elevation ^ . *0 V 1/ End of boring at ^ 'h feet. Standing water table: Present at _ _ _ _ feet of depth. hours after boring. Not present in boring hole '>C Mottled soil: ^ Observed at ^ t/ feet of depth. Not present in boring hole Observations and comnents: « .. . . . .2 —« • 3 — Depth, in feet 0 Boring number ^ Surface elevation ^ 4 — 01 6 — 7 ^ 8 — O-c/ •\ /> T^ciV^o^ V''7 " End of boring at ^ ^10 feet. Standing water table: Present at feet of depth. • * ._ _ _ _ _ _ hours after boring. Not present in boring hole ^ Mottled soil: , Observed at ^ 7^'feet of depth. Not present in boring hole Observations and connents: ■»*/V ; ■j i 4 4 '•4 )f I .1 • .• . \ : Logs of Soli Borings Location or Project •L Borings made by \ \vOcV^ B-31 Date li/lLLik Classification System: AASHO USDA-SCS _; Unified_ _ _; other ■Auger used (check two): Hand X, or Power_ _; Flight • ' a or Bucket K ; other Depth, in feat 0 Boring number _ _ _ _ 2 — 3 — 4 — '•3// 5 — 6 — 7 — 8 — Surface elevation_f v ^ / V a.End of boring Standing water table: feet. Present at feet of depth. hours after boring. Hot present In boring hole Hottled soll:^/ // Observed at *^10 feet of depth. Not present In boring hole Observations and coiments: Depth, In feet 0 Boring number C/3 Surface elevation O // ToO^oJ^ 10- _L— ------------ - 2 _ 3 — 4 — 4'3' 5 — 6 — 7 — 8 — i-I SoJl- 5'/.// End of boring ____ Standing water table: at ^3 ** feet. Present at feat of depth. _ _ _ _ _ _ houra after boring. Not present In boring hole / Mottled aollUj Observed at ^ // feet of depth. Not present In boring hole Observations and comments: f \ i .‘r»r ^ ' t ] i •I •I i ♦ r i lij 7 ‘.i ^ Logs of Soil Borings t i ' i • .• . Mft.s . ^ Location or Proje^ A. Borings made by ^ • \Cc>^ VO B-31 Date )(/2.//^C Classification System: AASHO_ _ _; USDA-SCS X ; Unified_ _ _; other_ _ Auger used (check two): Hand or Power_; Flight • or Bucket )( ; other Depth, in feet Boring number *7 Surface elevation ^ 0 n 0--J3-O 1 — 3 — 4 — 7 — 8 — 4 \b 6_ ^-5 - 1>‘4I' End of boring at ^ ^ ^ feet. Standing water table: Present at _ _ _ _ feet of depth, hours after boring. Not present in boring hole ^ Mottled soil: ^ ^ ^ feet of depth.Observed at Not present in boring hole Observations and cooinents: Depth, in feet 0 Boring number Surface elevation 2 — 3 — 4 — 5 — 6 — 7 — 8 End of boring at feet. Standing water table: Present at _ _ _ _feet of depth. hours after boring. Not present in boring hole Mottled soil: Observed at feet of depth. Not present in boring hole Observations and conm«its: % r * 1 I 1 t tI5 ?• i m y... PERCOLATION TEST DATA SHEET B-39 Test hole locetlon A Hole 1 _• Depth of hole bottoe. /C^ inches.Date test hole ves prepered U / ‘i-l J t(o Diaaeter of hole, Inches. Soil^dpte froe test hole: Siepth, toches' . . Soil texturea 4^ lo*' fTv.o cA ''in^h^\su Method of scretchlns sldenell \^ZJ Depth of pee-slscd grevel In bottoa of hole, ^inches. Date and hour of initial water filling A// Depth of initiel water filling, _ _ _inches ebovs hols botcoa. Method used to saintein at least 12 inches of weter depth in hols for st leest 4 hours ^ Percolation test readinss sade by ^cm UhMU■‘T>Starting at ^ cT?^^ . Nexiani water depth above hols bot XdatO ■ . P*“- during test, _ _ _ _ _(cT* inches. Time Time Interval, Minutes Measurement, inches Drop in water level, inches Percolation rats, minutes per inch Rsaerks / </ #■? I /& ?> 5i:, ju.'W "i H y JL ■;> // 3 7 3 // ti /.ULt. . * • « Percolation race «minutes per inch. _ _ _I I i t I I .•* »-39 PERCOLATION TEST DATA SHEET Test hole locetlon 1 Date test hole was prepared Diaaeter of hole, \ 1 j 2 / / o , Depth of hole bottoa.^ inchest Hole nuaberc^ C l/VO vno;^ inches. a 4* Soil d#ta froB test hole: Depth, Inches - i(p^' . . Soil texture £1 Method of scratching sideuall Depth of pee-sized gravel in bottoa of hole, _ _ _ _ Date and hour of initial water filling HfZ//^G> iachea. Pm Depth of initial water filling.inches above hole bottoa. Method used to aaintain at least 12 inches of water depth in hole for at least 4 hours _ _ _ _ Percolation test readings sade by _ starting at _ _ _ (date) during test, _ _ _ _ _ _G- inches. on 9 —p.a.Maxi ana water depth above hole boti Tiae Tiae Interval, Minutes Measureaant, inches 9CP^ 9^.5'rt r: Drop in watar lavel, inches Percolatloii rate, aiautaa per inch leaarke 7 Co I /o Gy •S~ j ■w 7/ / 2 -T 'A/ 7/ Zy *Z 9 y o Lsl X JL/ 3 f/H "6/ cJ * » •G*'^ru UP Percolation rate *4q minutes per inch. f I k. B-39 PERCOLATION TEST DATA SHEET Test hole locetion Date teat hole wee prepared ?(r> Dlaaeter of hole, (/) Inchea. i /vtTI ,, Depth of hole hot toe. Inchea .v/ Hole niaiber. Soil data froe teat hole: Oiepth, Inchea o - 4 ** * f ri ^ . . Soil texture t Hethod of acratchlna aldeiiall Depth of pee-alsed gravel in hot toe of hole.2^ Date end hour of Initial water filling ///^// Depth of initial water filling, /"Z_ _ _inchea above bole bottoe. Hethod uaed to ealntain at leaat 12 inchea of water depth in hole for at leeat 4 houra_ _ _ _ Percolation teat readinga eade by M . /^o<* _ _ _ _ _ _ _ _ _ starting at _ _ _ _ _ on (date) during test. e.e. -p.«.Haxieue water depth above hole hot inchea. Tine 972^ TiM Interval, Ninutea Heaaurenent, inchea yd Drop in water level, inchea PercolatioB rata. niantaa par inch ■' ! ka s'^/y AZl--5o VO 3jg> U ! •5 ' ^ t M / ?.3^ (r o'/t. // be; y 6 z.% * Percolation rate (oO ninutes per inch. i B-39 1 i* r’-i: i I •• .• ♦ r t# f- ' /i * • 4 ' PERCOLATION TEST DATA SHEET ^‘3 •« • 1 Test hole locetion ^ ^Hole nuiiber Date test hole vas prepared ///ZZ / f'C Disaster of hole. inches. Depth of hole hottoe. J6s Inches r * • Soil^deta froa test hole: I^pth. inches'^ . • • • Hell texture i f'-' 7 / t '' Cn%y> GLy A^<P .. *• »• Hethpd of scratching sidevall.^dCt % i a Mpth of pea-sised gravel in bottou of hole, Date and hour of initial water filling //V ^ Lr Depth of initial water filling, _ _ _inches above hole bottea. Nethod used to aaintain at least 12 inches of water depth la hole for at leant 4 hours ^ Percolation test readings aade by _ //^71 / y starting at (date) during test', _ _ _ _ _Q-' inches. on 9* ^ p.a.water depth above hole b Tine Tiae Interval*, Minutes Measureaent, inches Drop in water level, inches Percoletioa rate, aiaotes per iach I -y *7 ' ' ^ 7 /jlXSL 30 Ic. 3/y >s^ y /jQJl.1 K'/z, // // rV U 'A \ /./ L’iG */ x-'% % » * Percolation rate »O minutes per inch. PL 4 i L 'i i I; .! •1 ‘ ■T /! ■ i./JJ V. I'i ■1 .•♦ •• .» i B-39 PERCOLATION TEST DATA SHEET •? Test holtt location /Holo niii^r ) Date taat hola waa jpraparac / // Diaaatar of hola, ^_____Inchaa. ,, Depth of hola bottoa. //^ Inchaa Soll^data froa toot hola: Itapth, inchaa’ • ^-7 , t 4* * 4 /, 7'.'-./I-'- »* . Hathod of acratchint aidaaall 4 ^ Dapth of paa-aisad graval in bottoa of hola, ^ Data and hour of initial water filling 2/^ /K ■ Dapth of initial water filling, * /* Z. inchaa abowa hola bottoa. Method uaad to aaintain at leant 12 inchaa of water dapth la hola for at leant A houra_ _ _ _ _ _^j onPercolation test readinga aade by ' f 6 atarting at_ _ _ _* **“*■“■ depth Above hola b (date) during teat, _ _ _ _(/^inchea. Tiae Interval', Minutea Meaauraaant, inchaa Drop 1a water level, inchaa fareolatioa rata.Tiae iaahij . I i f I 9-ro • % 4 Co &?>o 'jLJL•7 n. i I rw. I •2JjJaI A O K A ///COI / 2. / / z, 6 r ^fi(o/ -5 ‘ 5 • • • : Percolation rate ainutea par inch. V •ir' r 4| % i I I I L. •-39 PERCOLATION TEST DATA SHEET Test hole location /Hoi* nii^r } Date te*t hoi* w«* er*p*r«<l l//z^/ 6- Diaaeter of hole, ^ Inches. • Depth of hole bottoa*//^ laches. Soil, date froB test hole: Depth, Inches4 4* t 4 <z. :S’f'.-yG // . . Soil texture / Hethod of scretchins sidevell Depth of pee-sised gravel in bottoB of hole.inches* Date and hour of initial water filling /J/ ^ ^G Depth of initial water filling, ) t_ _ _inches above hole botton. Hethod used to eain^in at least 12 JLnches of water depth in hole for at least 4 hours _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Percolation test readings eade by J^/ystarting at (date) - W,on 7 —p.n*Maxlnua water depth above hole bot during test.inches. Time Tine Interval, Hlnutes Measurement, inches Drop In water level, inches Percolation rate, alfitttee per inch 9 ^ iT 2^ Jc Ift 1 s (n t 1 ^ C> ■U£r t/u iO <-} J I oc o 1 11 -a. '^a L •4 Y / ^2 cr <L jni •5 ^• » Percolation rate i2 minutes per inch. m I L'>*'*'« . ■> ^:■<■'■ > ■'*i k 6?. i ♦ ■ 'i 2-y ^LJI^ * — ^i/(U ^ 'C>^ s/T^ /S 9C.O — ^6TTVif-^ of TVieioOH:^^ 9'^. CD ~ _ -fiiUffxM^ /AJVfeieT' lo nT4- 12." f^K THe" ffP^/s %.D. — ^(2c>P iSD^CeS lP<^e'^ <5#7~ OaJ ijSM^'t- ^ !g,< LMiu-. 6cVC^ Y\Sy^ Oo0f€.< uyfc) !i7?3Y'//vJC h^OL^ boxers — ^ 5K.X330 «= /62JO .S.-(. = _SyD /.-f. = (e^''?0'//*'F5' 'fOM —[IXi /oy '’^leof P^-GiA-^ AJ?»; jgCV«S ■? Vrt .. . . dp. 1>oes f. j-t.o/*E A*7^S o/^ - S'.Yo Ai . '? G?. At' I -i^OX /''S' •p4-e<^ f- 'TC' i5c>X /-S .47^ — ^ ^ rfc*" raa- F^Sf" p/faP p£7Toez;JY^ A^b ___<SOX 2 (!P'T>sr<w,oc^!^5aifr>^/^ O^TUtSr E_..... m -»»- I i- :■ U-ipg4 ■ 2‘'t><iof - ovt^er T>^K I = ‘?7, *7 MMMM IPr t-»^K~'91^S^ ! |^SSvL.~-6r ■2^' Uo'^t-'TG "-naAi^.s^^ “/ JJA . sr^“ ro t-^»=is- ^ ^ a Q (5m<t-i-cT'i/OUe^JT" ^,^T- vv>-^*5T- v7‘ ' |2j^ 'f}4-/2oUt A- /S yflr6-®^^ T’O frvssrW^s.'T. AfC yo^if^ /7' P/2-oP SO goTTOi^ OF JOISTS i^'^AjLrr 6^ 77.^ \J3lf^(=>''\2-"' 30/STS^ f^LOOl^ [S. /CO.y, /M./A.'- 772> <nMi coc»o; I p IT /kU- tMC^^S (P t47~ i i -----------f*-' .> - !♦ r" ’1 ■>:l •f «-<■••-".'»IAA)- -•■ ....... ■J!!-V 5w /;. ■■ :_:-f4A SWi;