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HomeMy WebLinkAbout1995-09-07 Septic System Design Report14 ?ruce ;•ell � 2340 Fox 3t. Crono, "irn. Job ::1 te, ;hove AMIress Koch's Soil Testing P.O. Box 81 Loretto, MN 55357 'e!: (6121479-2637 9/7/95 Two sites were tested for the. -'last lot (234C Fox it.), the Bite ff 1 was tested on 5/2E/9; and it was determine that a mcnrd system would be needed due tto the r*.ottled soil 'levels at 24-28 inches ( ave. nerc. rate--25.6 min/ dhile the ilte `ri Z urea as tested on 8 4/95 and it was also determine that a moijnd system wo?ild be needed dua to the mottled soil levels at 18-35 inak' the ave. pere. rate In t'nis area was 35 nin/in. * "ottled soil is consider the high seasonal saturated soil conditions that exist lurinx the wet seasons( fall and spring). The City of Crono Codes require that the mir,ni!-.un death to nottled soil be at 48 inches or deeeper before a stanlard trench system can be installed. Therefore with the above inforngtion thg only type of system that car be installed on this lot 3rd still comply wit:^ the local codes is a pressurized mound system. In late tu3nst I mpt'- wi~z vr. Steve *declltmar. (CronoCity Inspector) to loot at the proposed mound system that were design in the 8/4/95 report. :'After carefully determining the elevation of the propose mound system ( mainly the 31te : 2 ) it was determine that the Sites # 1 and ,,r 2 I system could I:e Installed on this lot and still coml: with the local Crtrc City Codes. These proposed corner g1evatiens of the pr.cpased -mound system were 3rnroved ;'r. Stev .:e-ckran on the site in late AuFust1995• - Site = v�1S +`•: . Robert A Kcch F.F.C.A. 1 1429 *"'his report should be 1-c_uded in the truce elly Report -dated 8/4/95 and the ore dated 5/2c/q5. 0 Koch's Soil besting -1 r P.O. Box 81 � Loretto, MN 55357 Tel: (612) 479-2637 Bruce Kelly + 8/4/95 2340 Fox St. ' Orono, Minn. Job Site TWO lots at the above address Two sites were tested to determine what type of drainfield could be installed and still comply with the local and the Minn. State Codes. Tthe west lot • In the Site 1A area had and average percolation rate of 42.5 min/in. and the depth to mottled soil was at23-24 inches. !while in theSite-2A the ave. perc. rate was 39.2 min/in. and the depth mottled soil was at 24-28 inches. The results of the east 1/•2 l8t! indicated that the Site #1 ( tested on 5/26/95) had an ave.perc. xate of 25.6 min/in. and the depth to mottled soil was at 24-28 inches. While in the Site -1 -2 ( teeted7/25/95) had a average perc. rate of 35 min/in. and the depth to mottled soil was at 18-29 inches. * Mottled soil is co nsider the seasonal saturated.soil level that exist durng the wet seasons. The City of Orono Codes state that the minnmum depth to mottled soil be at 48 inches or deeper before a standard trench drainfield can be installed. Therefore with the above information the on, —e of. -system that can be installed on these two lots is a & Lad mound system. Site Evaluator Robert A. Koch M.P.C.A# 1429 ,. Koch's Soil Testing P.D. Box 81 -- Loretto. NIN 55 57 t Tel: (6 i 2l 47.- 637 K OL *26 940 ;f9 ti4' MOUND DESIGN WORKSHEET (For Flows up to 1200 gpd) A. FLOW Estimated 7h'G' gpd or measured x 1.3 = gpd. H. SM- C TakNK LIQUID VOLUtifES -2 - 1 gallons 5.jx-1 rj",'ja 5//4 /9 C. SOILS (refer to site evaluation) 1. Depth to restricting layer = Z 4 - Z 9 inches 2. Depth of percolation tests = z inches 3. Percolation rate 25 .(r .zipi 4. Land slope D. ROCK LAYER DCvIE SIONS 1. Multiply flow rate by 0.83 to obtain required area of rock layer: A x 0.83 = 7-x,, gpd x 0.83 sq. ft./gpd = Giv sq. it. 2. Select width or rock layer (10 feet or less) _ 10 ft. jl amaid Sewsp P10Mf w "Wm pw Q» (00 or Type I Type 11 Type III T)a Bsuroanr ! 1� 300 :3 110 4.0 300 211 w 5 900 != 332 7 1010 600 3" ' 3 II 1= 67S 401 ..w. � rwG�w" ■... IV ?. t wr IIIIIII 1M 3. Length of rock layer = area + width gQ• ft = Reck Fed . + to ft. _ 3 ft..........�..................ti.,.,.,... Ic r r•r r•r r•nr•r i•♦ r•r•r•r•r• •� .ti �.�.ti.�.•. �.�.�.�.�.�.�...ti dth S10 ft. r.r•r•r•r•r.r.i.r.r•i.r.r.r. fl E. ROCK VOLUME I-- Length --i �tul ' 1 ck by ocic de th to at cubic fool- of rock! & 1. ap y ro area , r :1g_ -. &•3o sq.'ft. x / ft. = C 3c cu. ft. 2. Divide cu. ft. by 27 cu. ft. /cu. yd. to get cubic yards; kL. cu. ft. + 27 = 3,:i cu. yd. 3. Multiply cubic yards by 1.4 to get weight of rock i:. tons; 2 - cu. yd. x 1.4 ton/=. yd. = 91 b:is. F. ADSORPTION WIDTH 1. Percolation rate in top 12 inches of soi! is 2. Select allowable soil loading rate fron table; t o d/fry 3. Calculate adsorption width ratio by dividing rock laver loading rate of 1.20 ggd/ft2 by allowable soil loading rate; 1.20gpd/ft=+ L.LL gpd/ ft2= Z.Gc 4. Multiply adsorption width ratio by rock layer width to get required adsorption width; 4 x In ft = << ft Table ?mouton1t+�.) s411121vere e.r.. r�ur r R areM ��a�x+a■ • IetR l Wl) �r'aaa ad Rt:i Lret fasw v r 0.: Carw Sod -• al w 3 JIMA I m t.o0 0.1 w 3 •� cwy fart'" 0.10 I00 Zy M 1 � Shmw srAn 1 Clay - -- • SoillMeeetle6lrM�WltlweMaa S. =02"009 iWO t0. 3. Z1. " en= S&I hwr� S0% or of �$11I1/ pi" very nfle UFA •-- faI we *AMY h.mwsWof rw a Sw�?010. 20 10 S $A. pM 33. S121ng of Pump Station 1. Determine Surface Ares T Rectangle = Area a L x W x = square feet Length Circle = Area a a x (RadiusY 3.14 x x a square feet Radius s - 3.14 Other = Get Surface Area from Manufacturer square feet 2. Calculate Gallons Per Inch There are 75 gallons per cubic foot of volume, therefore you must multiply the area times the conversion factor and divide by 12 inches per foot to calculate gallons per inch Arcs x 7.5 gpft 2 + 12 inchs per foot e? .tra q a P--4 , p x 7.5 + 12 = Sallons/inch 3. Calculate Gallons to Cover Pump (with 2 inches of water covering pump) (Height (in) + 2 inches) x gallons/inch (02) (_ fin _ + ) x ?r > �. gallons 0 3�0 4. Calculate Tota Pumpout Volume a. To maximise pump 1+; select u p,size for 4 to S pump operations per day. �d gpd Y gallons per dose b. Calculate drainback 1. Determine total pipe length, aL feet. 2. Determine liquid volume of pipe„47. N gallons per 1W feet. 3. Multiply length by volume: Drainback quantity a ao feet x L? y gallons/IW ft. _1714 gallons. Estimamd Sewage Fkms in Gallons per day (Pd) Number of Type I Type 0 Type lU Type BedroomsV 1 2 300 225 180 450 300 212 d on 4 37S 256 ..M. 430 294 6 900 523 332 t• 7 1050 600 370 iu 8 12W 675 408 saimm c. Total pump out volume equals dose volume + drainback _LU gallons per dose + 17 Y gallons = ,� `S gallons S. Calculate Volume for Alarm (typically 2 to 3 inches) Depth Un) x gallons/inch (02) _ q x tS = �� gallons 6. Calculate Reserve Capacity (73% the daily flow) Daily flow (see page D•7) x .75 a 75V x .7S a Sallons 7. Calculate total gallons gallons over pump + gallons pumpout +pl%gWiarrn + gallons reserve capcity 03+04c+05+06 +ra7[I �+ 76 + 4 gallons S. TotallDDepth (Total gallon divided by gallon per inch) fNA4h*. Total Gallon (07)y4allon/inch (02) GG /2 jj + Z=. -b inches 9. F1wt Separation Disumce (equal total pumpout volume) Total pumpout volume (040 +capons/inch (02) 'a S. Z�. g_x Indus 1.25 7.77 1.5 12 � 7.a 2.5 . 7 3 38.4 4 1 66.1 Res m Capaitr 6 -201 " .2 tp . O p Alarm Puny On O T11b alPumpoat Wumc P Off Phnny I ti t ,� .• S�L/ Z.3 440 roe s r• • 17,1 4 eel • . :. = A. Deterobw pump Capacity: Gravity DisWbutioa 1. Minimum suggested is 600 gallons per hour (10 gpm) to stay ahead of crater use rate. 2. Maximum suggdted for delivery to a drop box of a home system is 2,700 gallons per hour (45 gpm) to prevent build-up of pressure in drop box. a acbsure Distibudcm 3. a. Select number of perforated laterals b. Select perforation spacing = -3 feet. C. Subtract 2 ft. from the rock layer length. 43 .-t - 2 ft. sue[_ feet. d. Determine the number of spaces between perforations. Length perf. spacing = JcL It. + _-3- ft. _ 70 spaces C. 71_ spaces + I a-. inn - lateral f. Multiply perforations per lateral by number of laterals to get total number of perforations. x fi-.�-�.., =1.�. perforations. g + x41� _ gPm. = SELECTED PUMP CAPACITY 6 v gpm ermine head requirements: . Elevation difference between pump and point of discharge. _.41 feet 2. If pumping to a pressure distribution system, five feet for pressure required at manifold if gravity system, zero. _ feet 3. Friction loss a. Enter friction loss table with gpm and pipe diameter. Read friction loss in feet per 100 feet from table. F.L. _ s ? ft./100 ft of pig b. Determine total pipe length from pump to discharge point. Add 25 percent to pipe length for fitting loss, or use a fltdng loss chart. Equivalent pipe length -1.25 times pipe length = /o d x 1.25 = 47') feet Calculate total friction loss by multiplying friction loos in ft/100 ft� equivalent pipe length. Total friction loss = 12 - x 3- 91 +100 = -_ feet 4. Total head required is the sum of elevation difference, special head requirements, and total friction loss. 1+ .s (1) (2) (3c) TOTAL HEAD feet Tp selection I. A pump must be selected to deliver at least gpm (Step A) with at least e 3 feet of total head (Step 13). END repraftATCH a a rensoaAT(7. LATER&: rr L�/�� ' � awLr.•r. �.rr t. w • t!" 1" UW M ti, 0 wW. .Mot • i�\� M. Lrr ti� IM F \ .Y Lw. V--COP kar ., grloa,w LOW" M C„oo. Me Low rlMMM ., L.M.« TABLE OF PERFORATION 71SCHARCL•'S 1\ CI' Head PeOwabw diameter (inches) '/ 1.08 036 0.74 1.s 0.0 2.Ob 0.W t.n4 23 0.99 1.17 3.0 0." 123 4A 1.13 1.47 SA 126 1.65 a We 1.0 root of tmw for residential aysteeu. bUm 2.0 feet of Mad for ocher wtabliahrrtents /QQ Pipe Length point of TDitch Elevation Diff rmceDl.�. Pump Flab 1.5 inch 2.0 inch 3.0 inch iPnt Fromm tm rs 100 n of e-Pr 10 0.69 0.20 12 0.96 0._8 14 1.28 0.38 16 1.63 0.48 18 2.03 0.60 20 2.47 0.73 0.11 25 3.73 1.11 0.16 30 5.23 1.35 0.23 33 7.90 2.06 0.30 40 11.07 2.64 0.39 14.73 ' 0.48 0.58 SS 0.70 lA 5.60' 0.82 G. DONNSLOPE DLKE WIDTH 1. If landslope is 3`.'0 or more, subtract rock laver width ;rom adsorption width to obtain minimum dow-nslope dike toe TO ft - i I _ ft = /o feet / 2. Calculate tiii.nir u:-n mound size based on geometerv: i a. Determine death of dean sa.-td fill at uoslope edge of rock laver: Separa!ion : 3 ft - = 3 i feet i fact Cov:;. e b. add depth of clean san d for separation, (2a) �., / at upslope edge, depth of rock lave. (1 foot) poop ac to depth of cover (I foot) to find the 5.oarattcn �(:;� Not mound height at the upslope edge of rock -=AO I 1 stop. o�rrerenc• •� • feet \ + = ,0 feet - �ee� ft + Ift If; cock e,y •.vi�tr. c. Enter table with lanc:slece and uoslope dike ratio. L Select dike multiplier of 3' rc' peep d. Multiply dike mu tiplier by upslope hound height to find upslope dike width: ; .on x c - `/ feet e. Nfultiply rock laver width by landslcpto deter;nire drop in elevation; Slq a Difference 100 = o. � feet f. AJd depth of vein sand for slope d-ifference (_,,) at downslope edge, to the :Hound height at the upslope edge of rock layer (2b) to find •lie dowrslope heig!:r, 3. c ft + c .S , it - -3. 3 feet g. Enter table with landslope and do%, r-51oFe : ";',e rato. Select dike multiplier of A-, W V h. Multiply dike multiviie. by downslope mound r,ei;ht 1Zf) to ;et downslope dike width:. - v x s -e feet i. Compare the values of step G.I and S te? G.Zh Select "he greater of the two values as the dog:..slope di e width; 7 -C feet j. Total mound width is Lie sun, of�,ctm upslope dike (G.2e) width plus roc'.:-�••� laver width (D.2) plus .loA 1.791t:f ��Cf downslope dike width(G.2i); 3 1{•, re.c � Sf' t.CIICW '.YK:' 17 ft + /c. ft + Z -e ft - _-(L feet k. Total :Hound length is the sum of uoslope dike width (G Ze) plus rock laver I ! _r ..� length 1D.3) plus upslope dire w d:h (G.2e); Z_ ft + 6, 3 ft + �, ft - c 1 feet (I /'/ /`�t •� uMnasu �e I � pa.upo '�/ 11 as sa >`t N 11 as !.1 61 7.1 81 • WSW 40 1 !A a:7 '_! as 7S1 _91 ] as a.:• !-Y as• 7.a1 7 7.19 a1s 9Si aQ a:a :D 7.:J a.:a !i• ♦:• a0 3�7 a.:3 101 S..l •.as f 3M 1.00 aaT !R :1 : :•1 LU ♦J3 oat f.19 3.1 • 1r s. • i:♦ r3• :� pia 33 19 aai an s.0 a N 9M 1:7 _L7 aM uLU 13I' a .f J•/.1ua • 1H b as UAG last LA iw Id 3.0 a to w Io aS w s04 u.00 s3s U1 :s• La In au u• 11 a.&$ 7,• n 11 nu :pas :a 1_76 1J 3.•1 J." •.a u 12 • 7 M I U4 31.43 v.: % :a _.7 113 1.0 7/ 40 .)Cation or, pto)4tt 23Yo Fc-% 2 - 1<iow•� �_ •►t inge Pads br �• �.► _ _ _ it�t4 ���1 l�iS lsasltication States! MS110 ;-USIIA-fir, X -t UnIllid t othet ,upor used (check tvo)l (land yr Puler - 1111p1�t ► or BoJet y ll►er ;).pth, Sot In! I+uvb11 ^� _ ► tl►, per ih► nui-t,lt Z In Suttl^.s tltr8tlon914(.yq{-,d - Qurlace 011t,allort 93• !sot t —' 5 7.N- Boca /v cr 1 .�. 3 fait - — 2 -- -- 13 << 6 End of botlnt it feat. Standing WIT tsblsl rcesent at cost of Atptls, • haucs attar bating. Pot pttittit In Ooring Dols Mottled aollt Observed At feet of depth. Hat'Pfossat In $$flat 1►61e v Ind 01 b)rtng it Itendillp aster tebtll rtesent at feet of det+t'•§ Route attet l•otinp Vot ptttellt In botllsp, Ihnle _ r 110111e4 eollt Observed et a�,,_ trCt.et d•rt�• 'tot r1.a►nt Its bntl,,*p h..it 3440 .gatlon or. ?toJetti7e •,ttn$e %ads br _ .._.- -- _.- __---•-- laaal(icstlon syettatt MS110 ; USIIA Sr- > t Unliled _—._I ,u#af uaad (chick tuo)l (land X (it Pu.-Jet tlIP111 I of dueler X -liter :).pth S-attn• not"berr --- — t�:, potl1►1 d11•1,tt _ Y �9�•-� In Sucfi^s elevation 94.6 fUttaca tll+ttlon !set O G �/�.:.�:� � _ C�_A — 3Zc c.. tJ Y )a Y -- e3�otvoJ CkA G6 If [nd of botlnt at Stendtnt Vatst tablet present at fast of Aeoth, . hours alter bottnll. ,lot pttetnt in ballot hals X____. tlottled Wlt Obstmd at 2`, * fed of depth. Ilot'{tfesent In ballot hots S AP)v c v I rod of t)ting 1t 5 tt't' ,tondinP +tstsf tsblil ttessnt at fast et Aspt'� __�I,oule after tioefn/ trot ptl+tltt In %otlnR itttt• J_ 110111164 eollt pbast•ea tt adC��� ttat.ef d�rt� 'lot ri oarnt Ile lint 1,+j. PERCOLATION TEST SHEET Test hole loc3tion'l3`la VP'd 5 r Hole M 1 _ Date I-+t hole was prepared: s N4 7 Cepth of hole !•ottom: inclles Diameter of hole: _ i� Incites Soil Data from lest hole: depth, inches soiltexti:c: r] soil color 0 - to A nn SD.,L^ N;-IhoJ Of scratching sidewall: W a Depth of pea size .-.:vel In bot•.om of hole: Z Incies Date and hour of initial water filling:.4e 1) ;,Lh of initial ~rater fiilliri- lZ 170V I hole bottom Method used t0 maintain 12* of water deptUh In holq fort) hour: 1�Si S i ercolation test conducted by; /i�� Yercolahon lest started at! ay'J rt:t). 1laximurn water dcpth above hole bottom c ttring tcs'- INTF:nVAI_ I 'VArrR `YAT•-R DnOP WATEt PCnr: nATC D11013 CALCULATION ll.'.tE (P.11NUTE:.) DEPTH (:rnctlon) (decimal) i / � -� 3T ART --_-- I J _ - - A 1'L.tiili Ltic�Y i•I>t Z Ss .,_ / 1/&-IZ RertLL __12 -- G 7e Clio —O.yy -d f-B '1 L.t1~ -p'L-TAL �(rtl/! -- -.. _ �7/�tJ I __lu//_3--_ �_ • (Z7.c�m.11 /I Al Z fit. t ILL _ '/ �� r 22.7 C %_ D L R tart' -- r '1 cr —Qg rZl• ( t7.c. mv1 RRPtLL -------- — -'t'> ti,l' • cat• - ---- - - -------- --- ---------- it=PILL ----� �.� - i —r �RUP (Docun.11 RPrtLL ___-__-- /Ad -------- -- --- -- REFILL -____--- H _ _ __ '` v tr'���►'rTu`T�� _� -------- -------- ! ---------- ---------- (T).ctm.tl • Ten Percent Calc-ulatiort t;•©, ZZ rr r..• o G G 7r 7 -.rnr a-• u i O.fO r S' IC.D.0 _ I'%� Oar• - - - r•.a•a. .ra ua .. L''.F.G +.i �.. �aaro• Y r..- Y•X a. � r O.aOr 0.� Z— D• -V3�ZZZrZ .%,., t ter' 3 j1�► / M ..rtT.r— F.tti"s,ll 0.10 — I w • t MIS lots ntrmbor in o:icn not of t:3V0 % n tarr7r•r ;�,� ma b�+t-.•• r':-,-••••• • � - ,..- ._ _._ - � ,�.e.�..vPBBCOL. "TON TEST SHEET. Test hole location 231/0 `M Hole r _ 2 Date test hole was prepared:_ Depth of hole : ottam: inches Diameter of hole: ' inches Soil Data from test hole: depth, inches soil le:hL. soil color 0 — /C', ., .4,41rn O Stv r C A/�-C, eV ti:-tltod of saat:.'ling sidewalt: , Depth of pea size .ravel it: bottom of hole: Z_ ln&es Date and hour of initial water filling: ^� PtpdN of initial wG ater ov • hoEe bottom .%LLaSethod used to maintain 22" of water depth is hole for i hour_L_ _ 5 �„- i'c:culalion test conducted by, g ��G� Percolatiun test started at 0 act PL-0. ltaaimum waterdcp Bove hole bottom during test ini les S T1..MC iNTrnVAL vAINUTES) WATER DEPTH WATCR DROP ('rnCtlart) WATC14 DfICI-1 (dQcIrnuI pc-pr.• nATC CALCULATION �' 7/ � � qq 7'Lti{L': L.o ittil• IQ Z 3 --S•G� -.. _-� L_ _- _..- _�_ 0 _ (o-ALL 1 "' • C, REFILL --- _.. � -Y��� V / O / ZC' �f•�� _ Zq•7B '1 L'.tL^ ilv:• V1:FL�" -_Zr— -- -_ t7 y � ttl:i'tLL -� 3 75•/� ^rr%M7 —5{i C' _ /!o : j.Z'7iL" D - 'ji'.-LL•`•''-Ijiat~ril''L`. ti C F I L L 3I�- ------I-'C-- --/=y --- (iJ.a:inf.i) RP P I L L _-----__ -------- ------- --------- --------- I -. - �Z- {ICJ I' 3•IITLC �-_• �/....f r 1tCPILL - _- _ mu L 00 RCPILL I-------- -------- ( I Ire, T��"7• "� :� ------- i ------ ---------,- r7.. err_•:1 H RC111LL -------- 7= �r 7 Ten Pcrccnt C1lcslzticn' t1 . 13, C ZG•% 2 7. 7ya r. rr.• YXWI= Jrr._ �.. Y zZr7 .O.aO_ �•7_ IC.D.0 r.�rr... . J...r ... Y �. o.aO.. tr,r•.c . •r.,r.. .. J rt.r rr• Y U.G,U Z.G .7 240 7 Z�Q V• Y`Y J- ,.'-,tom Yr UL✓ 4.7 o.au • .�.a• .14 1 f ZG, 7,e ZLr 7_ _ -3 J ••r� wl u . 1.: T1 -� rr rr-• VM'n --1i' . Y.. 7.T- r3 " O.1O — .:ZJ t0r3 R%jM0Ur irl q:ICn 301 of bo!rus -!=lrrin-'hin ',+r! V /TI•'Ttt ■ O. 10 — -PERCOLATION TEST SHEET - S� / Test `tole location 2 340 Hole I a Date test hole was prepared: Depth of ltole bottom: / Z incites Diameter of hole: inches Soil Data float test hole: depth, inches soilIex soil color :.Sethod of snatching sidewall: %V — Depth of pea size gravel in bottom of hole: ln&.4s !',ate and hour of initial water filling: s 1�M Depth of initial waltz filling /'?— above hole bottom ;•teehod used to maintain 12•' of watepd pth iq hole fpc 4 ho S rrcolation test conducted br, (� ./ Percolation test started at 4 (am ppct). 12- ',tazimum water depth above hole bottom &uing test- inches tJ Jr J TIMC tNTLfiVAt. (KwAUTES) WATER D[PTM WATER (tractioPn) WATtR (decimal) P[ RC SATE CALCUt.AT)CN � G ------ -- -20 "'i`LT- �Ta-i-r) riaia •e • m.i oZ REFILL ___ Za — 0 7S- 7D (Da+ce�n.J) REFILL ^ c C' e� REFILL _41 ----- -- --- ------ --- rc.ct..,.,) REFILL -------- 3'L5ih�-!Tl>al: TMKC --- --- -- ----- ---------- -------- F REFILL --- — - G REFILL -------- 7ll, �� ► `p"R� - --------- --------- .atrn.l RKFILL• -_-_-___ _ rT • ->aAap '>ti�' -------- i'Dr� I _ Zy• 0.10-- D,E .. ....• y� 4. 1' V .•.- .-� Y Ten Percent Calculation • 24 ! _, 0.10 ' . 7.4 air 7..t-a_F-, . 0.ao — 3 F.G.Ii ..IVM• YranJ..•- �• Y e Cart:::.s 11: S :.'1 1:Ss� L3SM 1:.11 s .11 Z'1 s.iS 17ZM 11,15z1I /A_ PERCOLATION TEST SHEET - S&3tx- f Test hole location 2 �YU 1"G�L sr Holt r Dale test hole was prepared• ^,epti of hole bottom: 2 inches Diaa+eter of hole: 6 inches Sail Data from test hole: depth, inches 0 7 "' soil texture• .lGAom G ih soil color _ J Rr, CU :.;etliod of scratching sidewall: Na L Depth of pea size gravel in bottom of hole:? Inches mate and hour of initial water filling: S `ls DepL't of initial w Les fillistg- % Z zz a ve hole bottom :Method used to maintain 12' of watt ptthhh In hole tot d ho �►�tv .s I ercolation test conducted br, /T Percolation test started at '.!„iMum water depth above hole bottom during test, inches TIME INTL•ItVAt. (P.11P/1rTES) WATER DEPTH WATER (*aROP WATER ( eciDROPt) PEFeC RATE CALCULATMN �� _� A...D j �--- � Q TUMM. • �l �-1 rl.li -------- --s ---- ----- ---START Moc6en..1, REFILL _— ` 1 3 zed} Q' — 7 L/. li, TILL -- yj — 3/L�( —fir=— �Q `r �j T • 7-17�KG- RZPILL -------- E _ TIAMU « R!PILL -------- -------- ---------- --------- (�•alen•3) ©C20.7 _ ii.. +�I �..• Y .T• N Y tri 0.10 N{ Y t;.D.E V.-7--fr=377 0.10 :I .f".G Ten Percent Calculation a 8.C. Zc- -i _ a G _ a, • ��..• ...- -.• - 1174/6 A C:''rIf: :,'u 1!16 :.CS L11:.13 :t6:.19 1•'tS z�l 1ns1 1111113.91 °.7:.ti3 11.�3:.19 SI s.13 1119 s Jt 113 :.18 1516: !/ DIE 7- 0.10 - F,G,tN- ..'l1--� 0.10 — _. o.ao — ln_.-..Y. �9 j-.� !':-/. MOUND DESIGN WORKSHEETS •�� (For Flows up to 1200 gpd) A. FLOW Estimated 750, gpd C "C or measured x 1.3 = gpd. B. SEPTIC TANK LIQUID VOLUtifES v - , C, gallons C. SOILS (refer to site evaluation) 1. Depth to restricting :aver = /,'i 1 ; inches 2. Depth of percola":ln tests = / inches 3. Percolation rate 3r, / mpi 4. Land slope L- . C, Eutmstri Sawslr Flows M Gallon pR day Ipol ` u! Tips 1 Ti" III rygs M Type :r 8woic j Iv 300 23 110 7 ' 4:0 300 21111 t% 600 373 246 er • 1 7:0 430 . 6 900 S:S 33: 7 1010 600 370 1 1:00 673 401 ...,.. Son T— Capim"b • Ya.w Ns et�a�r •..�.t L•n., �.� ..a a.... 1 ��+ rae� sir :_%me t>, His 130 tier i m I t is w• D. ROCK LAYER D114ENNSIONS 1. Multiply flow rate by 0.83 to obtain required area of rock layer. A x 0.83 = 7 <, gpd x 0.33 sq. ft. / gpd sq. ft. 2. Select width of rock layer (10 feet or less) _ /C ft. 3. Length of rock :aver = area + width = Roc: Bed J 13G sq. it. + ,c, f;. _ L3 ft. Cam.,.,.,.,.•..,.,., ,.\.,•,.\.\.\., Idth S20 it ..,.�.,. ,.,.,.,•i.,.,•ni.,•,a.� E. ROCK VOLMvIE 1--- Length 1. Multiply rock area by rock depth to get cubic feet of rcek; 1-1a so. ft. x ft. _ Cu. ft. 2. Divide cu. ft. by 27 cu. ft./cu. yd. to get cubic yards; G1,� cu. ft. + 27 3 Z�Y cu. yd. 12 Multiply cubic yards by 1.4 to get weight of rock in tons; 2i— cu. yd. x I.J. ton/cu. yd. -,3 1/ tons. F. ADSORPTION WIDTH 1. Percolation rate in top :2 inches of soil is Jr_ mpi 2• Select allowable soil loading rate from table; �.: grd/fe 3. Calculate adsorption width ratio by dividing rock layer loading rate of 1.20 gpd /ft2 by allowable soil loading rate; 1.20 gpd/ft=+ :2• gpd/ie = 9, `f 4. Multiply adsorption widdh ratio by rock layer width to get required adsorption width; ,2, x 10 ft = 2 C1• ft hmaiN rs 1Ma� Cam pia �t ut:iGaw"pin SalTia,tre W"Fpr Atli- a" -dts cw, (Mtl) some taw to Aoc::syer Falm our 0 1 Corso Sar 0.1 to S solid L20 Lao 0.1 to 3 — Fos Soo •' 0.60 200 6 to 13 Ssesy loon 79 132 1 161o30 -7 iI o'st L� S�jJ119 60 %m1 O.a 1.00 AG to 1IN S4tsrv�a .ay C.ay — -- 1:C I • Sad to csarss for -ft "Mom of a „a,Ward trratrm. Sea 7C10 me saM LG. 3. ?Na A •• Sad Aawn 30% or tons d tar sod plus -or/ firs U6. ••• sod too t+eavy for 111SWIlau" of s stsmard ,yurm. Sea 7C10.0210 SaOp S.A. pop IS. G. DOMNSLOPE DIKE WIDT-H 1. If landslope is 317! or more, su--t:act :ocl.< lave: width f:om adsorption width to obtain rnini.mum do:vnslore dike toe t� ft - rc ft = _� feet 2. Calculate M-dmu-nn mound size based on gecmetery: a. Determine depth of clean sand Ell at upsiope edge of roc. ,, la er SL^,�arc:for : 3 rt -/•S /.-�- feet b. Aad depth of clean sand for secaradon (ts) at upsiope edge, depth of .ocl< laver (1 foot) to depth of cover (I foot) to find the mound height at the upsloce edge or mck 1.6 ft + 1h + If; feet 1•=- - c. E.^.ter table with landsloce and spsloce dike ratio. Select dike multiclier or'-!, a j�_. d. Multiply dike multiplier by upslope :round height to find upslope dike width: 3• _" x?• = 3 =1/_ feet e. Multiply rock layer width by landsiopto determine drop in elevation; Score D(fferer. ce /_ 10 x ' % � iCV = l; • C` feet f. add depth of clean sand :or slcce deference (2e) at dow slope edge, to tr.e mound `eight at the upslope edge of rock laver (2b) to find the downsloce l-Wight; "3. s- it + ft = `/. i feet g. Enter table with landsiope and downsloce deg rado. Select dike multiplier of s h. Multiply dike rn:zltipleer by dow-,151ope .mound height to get downsloce dike ',width: `Y.i x _ "%e, = 1-2- feet i. Compare the values of step G.1 an.4 Step G.-h S4lec: the greater of the nvo values as the do«•nslope dikewidth; Z Z feet �C j. Total mound cdth is the s•.u:t of i I ,,,, upslope dike (G.2") tnridth plus :ocl.�c ` -Lf"` {1 lave: �v'.dt-k (D.=) plus y3,� 1 downslope dike tiwidth(G.Zi); _ -• 1L ft + to ft + 1 ft - -1-3 feet a I k. Total mound length is the sum of upslope dike width (G?e) plus rock layer length (D.3) plus ups ope 11_ft+ t .5 ft+ f'=�--- 1 .7 I rcac Gr�f� l.5 relt 1 Sioce Clrferene! QS" I =CCK C+r'Nlr.. ree- .,ctn 'fe' kl at 134wnbiopt 3.1 kl kl 21 /et � _P* 0 /D as I.a a0 aa/ T.0 : M 10 • II 44 1.L/ I.� a:• l0 I_i 7.0 asp /D 7.0 ] 397 ♦iT i.36 aAM LI4 IO 21 1� 3JT aft• as I.i I'M a:♦ S. ai0 W / 1� 3.44 W l:/ I N as •� '=� LA � 7: :A 1H a1T ♦1/ aa2 lY /.It /d /: { I ISI I � aN LIT t0.'7 ILV L/1 LU 7� A,) a9 ut af/ I u i TO i063/ full Lr L/a 112 /.0 L� lit a3 CO a46 aN // m a �. V A llif t10/ lf.fl I/.11 LA LN SLI 3.10 17 a]o aIZ /�I aY t! r� aJ 10.0 IIm I/at :]3/ mu S.It :.y LY L1 1:3 1ZI ].fl 2A L36 tl t/ au aM f.tL T N Il.tt t30 ]:.a/ 4371 : Z �7 111 IN JAM M deaf .,c: reitlon of. Tto)4ttt �34o fc�i, ST _ _...— .cln1• R,E• LT i(. IC✓'.h _ .- - - ttet4 _?%Z'i/�(—� I64elf CGLICn Stetem. MS11;1 : US1: ;f.' ,� --t U:rlllfd f oti+ef .u#er used (chick tuo)t Ilend �r tit /'over t flirlit �� or Socket •list. J,ptN. 5011nl tlu►lif � � — -- _ r l{,. Pot Ilip 111M.1t _ 24 In Sufri^t 114vatlon /1111t1on _ !got - G,. - Ind of be:init st rt•••nt it toot of ,I,pt!I, . hOutt lttGf 11011nR. tiv; pte+eui III 'jortng holm - .x , 110ttl•! eo111 Ot,eetYe l at Qj- ,fAtt of depth. Ilot 'pr•tent In Lotlnt l,ul• -:___ __ Cam►" i - 'nd of i.•tting It _ Iett. 'tnr1.ltn;ft uster t�bilf ltee•nt �t f�ttt of dert' I-trufo •ft•t Intlnl� I'ot pte,fl,t ltt botltt/. buts .� Ilolll�d •0111 Ilot rt-►el it Its bnt ll,•► Imle ,cotton or, rtn)ect ;a3ti6 r'c . Sr:_. L '�':`! ._� ►Vc-, It tl,�• �.!. t,r i�oe�1.^ - - 11�te -2J z5 '.G@etflc@ttcn S76tth: AA1j11c1 ` Uri!, �I' �t U:�111td 1 otliet ,upor good (chlcl tvo) I Hand K (it ('u++et . 1111PILI �► of edcltt C 111or :)a t11. SotI'n!1 tlue.b4r 1t1, `ttol1141,11 - r t" Sutflco elevation Sulfate 411*1tlon !Got t Or ,,,�..�� ` tip-- �• �.—.— � .... .—.. .....�+� . 1 � 1 !�, � a � b/.i c , (� � .t • � tit c..iil 1— •a_ 0 10 11 till of bothlt at `�� last. St@n1t:13 ••+eter '.chief rteGent et root tt Atpill, houre after bGtlnR. slut pttotnt In boring hole 11attlel @Gill Ubootye'l at 2G, t ►t "l lepers. pot 'pttttnt in bot111t tole �- .�1� �._..... i �to;,dllt; voter tot ►recent at ttet of dert'•1 Lout• iltel 1•Artu' Vot p1e,111t lit botln►. hilts r _ itottled @0111 tilieetit•! At Itot ^cl'A..t 1111' 111,1� • PERCOLATION TEST _SHEL-r • Da. :t h-!e l:<ation��lt' ! r.Y ST :"..�71 �4r j A 1 c test 11010! was p:cp i:td:�/ in3 Diameter of hole: 42 :)a!a fr4m test!la!e: dcpuh,::aches soil texture: soil color :••• .! .f utat;.`ur.g sidewa :: �Z ���� De,)Lti of psi sire gavel !a bcI,cm o!!:r,'r Inc}:es .Ie Ar..! !I Oar of ill it! Al wste: filling: 21ZS/L') "� : De, L!1 of ill itiAI water• li!:i:;E / � &,;,)ve ho'e bottor used to mainta!n 12' of water dep•ti in hole fpr a hours• _ a:.• :s test conducted by; ���• L� 1'ercolati m felt s:ar:c! at _ _� (a.-•, /fin`. ::1 l.attr do?tti above ho'e boffo�—s ding tcs` �, in;acs 'f %?; l9•� 1!IT1ri1VAL Y%•Z+7 Di1Oti DiICP (ta!IUTL;) 0CPTtt I (kuct:on) (de+Ul1)uit CALC;L .;,T!C N RZPILL -`7- �7/ I �) _0AV _341,_11 1.•. Lei - ---- -L_-------- _ _ is L milli 1• i TlL I '�.� !tja••11a..lt 111 'i:�W lti,lUi' i'LSlcr -- - + REFILL ------ -- t 1. l---------- Ten Pe::::)t C1icula::on � t l t1 f 13.f:.0 3 T -. ... Al v f --PERCOLATION TEST SHEET - S ZZ- 2 'cst hole location 23 c/c r(r,C i f �A�../ Hole • --� ._ Date tell hol! was e,artd:� 2 S / y •� P� , t.`s oI hole bct•.c�: /Z inches Diameter at halt- � Inches 5c�I Data from tes;:;a!e: dePLh, inches tail teztsre: so. l color 7t. rz .jQ � F' %34c,c•/f� V Lk�w�i '•r'�'�l ,! scratching sidewah. Deptrh of Pea size gravel In beetle: of he:e: Z Inches "ale An,! hour of initial water filling: `1,/ �5,�r? f/,•?'--bepth of itj::ial water lillut�Z- wave hole Lottain n :erhad used to tnaintaln Imo" of water depth in hole fpr 0 hatu7• : c:co'sticn test conducted bp; _ `ve C� :'ereolation test sTcd at 'atil.-W.n water dtpLh above hole bottom daring Les-L1 in"her INTEnVAL WATEn 'I'••1= ( (MINUTES) DEPTH i 14N START -J----- 3 `_/_ -- =�--- --i—zits, • R'FILL r' _ R C ['I L L --�t'----- �-_ + REFILL I ------ �.� - ------------ Rt.1LL.---___-- WATtn DROP WATU I DRC;+ p[:1C n:.TC (fraC11011) (dec,rna;i I CALCLI.-ATICrt i ��.1_� : C w � ME MMU ZT I 71 ---------- !' .'t?i'� 1'�,1:e�/ Ten Percent Calculation - � 0.1 o �� L �T._ �- -- .� �� Nis �f� � _ >'�/,►�..... 0.10 1 / ri.c.o 0.C.F M 0.10 w • PHRCOLATION TEST SHEET - :tst 4c!e location Z 3`{c' 1=, 57 Ea.Lf 4�► 110:e I Date test Isle was prepared: t;>L.h of mole bottoms: / 2- :nc.L;es Dia.-cater cl hole: inches iJa!a f:QM tes: hole, de-L`:, ine:ies soil te:tu.:: _ soil color r.: •1,: of scratching side:va:I: IVtct�,\ _ Depth ol pea size - ! 7. F•avel in bone„ c he.e. trc},es e anti hourall initial water Mling: W Z De; Lh of initial vfa:er fil;i:.� / ;r' above ho'e !•cttor. :•tr.c.od used to ma!nta!n I. of water depth in hole .tor S houn.t..�-t'� �►4'T'-� j rcolati••n test cor,a'.ue!td bv; ',1:1!1L:. water depth above �o:e bottom during tes- L inches %!'Z [���! •j f IF1TL•nVAL WATr.n t WA-rEn DROP FIAT[:rl I Di1CP Pr A :�c tiA7[' :RC (MINUTES) UGnTH (!Fnctlon) (doctrnui) I CALCUL.,TICN START 3 f �t�j �c,c= Rt:rfLL G ___-- -------- Ala .,' 1�1 �.T R r. ! t L L_ I 7� i1 -------- ---- - :_ •.S�t.i. LJIa l.J 1• ITC L.. RMLL 1 i.�s.. f✓ra �J i'— ..a �.. r ( AVII -------- II -- -------- ---------------•-- ..� — ----- — — - - (Da lfn.j) 1 Ten Pe.;ar.t CalcuiaCon • lj,C 13.C.0 ... �:.. tutu.- -.. � .♦1,.., � ✓�: r, u LTi 11/i r r 0.10 - 3. -1•, .34,143y.1_- rp 1 D. .F i -ram... W .. .t',t: F.G.N