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HomeMy WebLinkAboutSeptic design - general approval. ' C�e�l� 1 �''Q IfIG�� l�--'� � ��'�'`t�'� � . � � V �—,S�-f- �+ � lQh� r� vr�'c� a '�Gl r � �E�;i�irrt� �'�n�v� r ev��e� S�P 2 7 �096 CITY OF ORONO Joseph Olson D.B.A. Rusty Olson's--Soil and Percolation Testing Jose�h J. Olson--vIPCA License#810 11�81 Rivervie�� Rd. NE, Hano�•er, i��IN �53=�1 (763) �98-8779 Fax �763) �198-829U Septernber?201 E Source Land Capital 770 Lakevieti� Parkti�av Oroi�o, Hennepin Count�� This on-site Se��a��e Treatment Sy�stem is desi�ned for a Type 1, four bedroom home in accardanc�tvitl� the Minoesota Pollution Control Agenc4�Chapt�r 7080 and local ordinances. 7�he periodical(y�saturated soils«ere loeated at l6-?(l inches tmott(ed sail). Due to the periodically� saturated soils,a pressurized m<�und sy�srem ���ith 6 inches of rock��ill need to be insta(led to treat the septic effluent. Thz bottom af the treatment area must t�e Ivcated at least 3' above the saturatecf soils. This svstem is designed�vith 6 inches of rock. The soiis at a depth of l�"have a percolation rate averagina (0 MPI. All tanks need to be insulated if there is less than tw�o fee�of cover over the top ofthe tanks.Clean ours �nust be installed on the end of the laterals for marr�renanee. Use 7%;? inch perf'orations on the laterals. A 1300�al(on putnpin�=chamber w�ill need to be installed to lift the effluent to the treatment area. The power supply and su�itches must be lc�eated outside the manhole and pumpin�cham�er in a���eatherpraof enclosure. A�varnina de��ice must be installed�vith lighC and sound devices this is in case of a pump failure.A floGv rneasurement de��iee must be ir�stalled. Includin_�but not limited to a water meter_event counter,runnin�time clocks or eleetronicall}�controlled dosin��. � Keea a(1 hea�� eQui�ment off of the nroposec! treatment areas before durin�and after construction The�rea around both srtes must be fenced off bv the contractor before an�°construction be ins. �t'ith praper instalfation and maintenance,this s,�stem shou(d have no prableil� in treating sepzic effluent et�ectively�.A�otliin��other than;,ray water.(faundrv, sho�r�ers.etc.) Human water and tailet tissue should be disposed of inta the s�ptic tanks.Garba�e disposals are not recommended.Additives it�u�t not be used they� may�cause harmful dama�e to your septic sy�sten�. [t is recom�7iended that��ou pump the sepCic tanks�ver�� t�a�o vears. - - S i re h�. � - Joseph J. Olson ` /ViFJ�'"hJ�"�f1..:: �/f.VO t _�. .. .�. .� . . i. ""'-�4----- --�—�.� _��._ . . .. � � . 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' C.� . isc � � i; �� � � , � � �� a� � - :.� .. s i � '$ �� " �" � . , � ,a�� i �. � � � , ° : � . � ` � � � �+ �' � i �� �qv �Q ���Q`���` ' ii� . • � � � �e ' �. { p �.w��� . � ����� � ���. � ,.g if7�:'Vi�i'�� �� � � t • �� .� � � y ' � � ������ � � � � �.. .� � 4 6 ? I t � �'4 ! �� � ,� �0.� .(� �.,1? .,.G a " � �����,� ���� � � � � � � �° � � �~ � � f � _ � ��' 20f1 pnrpletoc� Mound D�si�n www.SepticResource.com (vers 15.2) Property Owner. Saurce Land Capital p��,�; g1���p�{� j 5ite Address: 770 Lakeview Parkway plp: f�i1172334t�11 Camments. Primary Site instructians: � =enter data � =adjust if desired � = computer catcutated- DO NOT CNANGE! i� C4�bedroom Type ��I Residen�a4 System z� 600 GPD design ftow 3t Yes Garbage disposat or pumped t¢septic 50�targer tank with muttiple compltanks 7 2250 Gal Septic tank(code minimum; 225€3; Ga[Septic tank (design size / l.UG req'd) Tank options: none s7 1.2 GPD/ftZ mound sand toading rate contour toading rate of 12 req's a min S0 ft. long rackbed' e� t0A ft roekl�d width 50.Q ft rockbed length 7> 3.4 ft tateral spacing 3.0 ft perforation spacing {maximum o#3 for both) end feed manifotd connection g) �Eaterats 48,Q feet long 17.0 perfs! taterat 51 perfs tc�tai (1/2 a perf ineans the first perf sta�ts at the middle feed manifotdj � 7I32 inch perfs at �feet residuat head gives 0.56 gpm'ftow rate per perforation for this perf size 8 spacing, €r,pipe size on line 12, max perfs/taterat= 30 , line#8 must be less--> OK in� 4.0 doses per day (4 rninimum} x�� 150 galtons per dose (treatment vo(ume) 2.Qf? Sx t:a 2.00 inch diameter laterats must be used to meet"4x pipe votume"requirement 2.t3f1 3x ��� 275 feet af 2.0 inch supply tine ieads to 47 gatlons of drainback volume (Tip: "top feed"mar�ifotd to cantral the drainbaek) }�> f 97 gatlons TOTAL pump aut votume(treatment+drainback� ts� 32 feet verticat tift fram pump to mound laterats, leads ta a: �6} 29 GPM C� 45 feet of head, Pump requfrement (n�ate. >50gpm may require an extra 3-6'of head) i�t 500 gal Dase tan�(cacie minimum) 130i} ga!Dose tank(design size�! LUG req'd) at 25.49 gpi leads ta a ��� 7.7 inch swing on Oemand itoat, or timed dosing of 6.8 min QN (confirm pump rate with drawdown (this detiver5 Average ftow, =70%of Peak design flowj��g hrs D�F test and adjust as necessary) �9) i� inches from bottam of tank to"Pump OFF"ftoat zo> 20 inches from bpttam of ta�k to'Pump ON"ftaat,pr 12 inches to"Timer ON"ftaat if time dosed *i7 23 inches from battom of tank to"Hi Levet"float,or 33 inches to"Hi Level"flaat if time dosed � 714 gattons reserve capacity �after�li�h level Atarm is actt'vated) 23) 0.45 gpd/ftZ Absorption area Soi(Loading Rate, which gives a mound ratio of 2.7 (minimum) (this must match the soit boring tog) desir�d maund ratio :2.7 2a) �percent site stope (Q 20%range} �8 (%downsCope site slope�if different than upslape) zs) 16 '; inches, or 1,.3 ft.to Redox or other limiting condition (need at teast 12"to be a Type 1) Treatment zone cantains�0 inches af Q%sai(credit, and �inches of 50%,soit tredit. Giving a. �c,� 20 inch, or 1.7 ft. Sand Lift Mound GRITfGAL FOEt FUTUttE CERT)FIGATIC1NSt!! z�� 27.0 ft.Total ABSORPTION width (with sand beyohd racicbed as fol�aws:} '-st Q.0 ft. upslape and sidestope ' 17.0 ft. DownsEope Individua[slope ratios give BERM widths (topsoit beyond rotkbed)of: �9� 4:1 ' upslope ratio 1 t ft. upsto�berm sa� 3:1 sideslope 13 ft. sideslope berms 3it 4:1 downslape 26 ft. dawnslope berm 32� Overall Dimensionsc 10.0 ft. wide by �0.0 ft. tong Raek bed 47 ft.wide by 7b ft. tong Mour�d footprint 4" ins�eti�n pfpe 't 8`" cov�r€�n tQp 1f �U �lo � b�err� Dc�wnsFa e berm �G ..:. --s�- �.i�., cover on sici�s , „ {�i"�oamy cap&6`.topsoil) 1.7 Ctean Sand tift ``",�.� ��-�. 1.3 D��ati� ��� �.�rr�zEi���; � � � � � �.� ____ � —�, . _�_ __ ��er�i��ai� �:t�f�c�iti��t -_ - .._ . . ._ ._ _- - .. �t'�sor��tion Width � � z7.o �-�� � i�te: For t3 to 1�slapes, .4bsvr,rrt,%e�n t�'dth is measured �rom the Bed�qualky in both direetians. For st�pes >1�6, �4.bsrrrpt�vn �Y'dth is measured riownhilt frc�m t�e upstop�e ed�e oi the �ea; �3j Rock Bed: 10.0 ft. by 50.0 ft. by C�inches under pipe, plus 20%giues 17 yd'or*1.4= 24 ton �a> Mound Sand; (note: volume is based on 3:1/4;1 slope frdrrr top af rcxkbed, Eacchange sand for toamy cap if desired) 27.1 up + 89.0 downslope � 13_4 ends+ 3g:3 under rack= Z01 Yd'or`1.4= 282 ton p[us Zf1� s) l.aamy Cap: 43 ft. by ��ft. b"deeP, Rlus 20%�ives {�9 yd'or'1.4= 43 ton _3s> Tapsoit: 47 ft, by 7b ft. 6"deep, plus 20%gives 80 yd'or*1.4= 112 ton i hereby certify that I have completed this wark in accortfance with att appticable ordinanees, rutes and laws. Rusty otson's Soil Fi Per[ 810 9/212016 signer Signature �c�mpany Lfeense# Date Installer Summary 225p galton Septic tank(minimum} Tank options: none ' � yu�i�rger canK wrc��tnu�u��e cc�rnp��artres � 1300 gatlon Dose tank (minimurn} at 25,49 gpi 29 GPM C� 45 ft. of head, Pump required ' 7.7 inch swing on Demand itoat which Eranslates to roughty 4.9 inches of ftoat tether length if time dosing is required --> 6.8 minutes ON time& �haurs OFF time 20 trrcFres from bottam of tank to"pump ON"ftoat,or 1Z inches to"timer ON"ftoat 23 inches from bottom of tank to"Hi Level Alarm"or 33 inches to"Hi tevel alarm"if time dased 275 ft. of 2.0 inch suppty tine with end feed martifotd connection (TiR. "top feed"manifold ta control drainback) 20 inch, or 1.7 ft. Sand!ift Mound 1Q.Q ft. wide by 50.� ft. long Rock t�d 3 katerats Z.QO inch diameter 48.0 ft. tong 3.0 ft. tateral spacing 7/32 inch perfs 3.0 ft. perforation spacing Na Efftuent filter&atarm 3 cleart aut�t valve box assembties 27,0 ft.TotaE sand AB�ORPTION width (minimum) 0•0 ft. upstope and sideslope (sand beyond rockbed, minimumJ 17.p ft. Downstape (sand beyond rockk�ed, rninirnum} Specific slope ratios give BERM widths (topsoil beyond rockbed)af: 4:1 upslope ratio 11 ft',upstape berrrt 3:t sideslope 13 ft.sideslope berms 4:1 downslope 2b ft. downsto�berm 4" inspeetic�� pi� �8'"cr��rer an tQp �t �1 lo berrn L�ownsla e b�rm 2& �'""" 12" cover on sides f�"loamy cap&6"topsoil) a.7 C4e�n s�r�d trft �''�-.,�``'�- _ ___. __� 1.3 G���t�, k�� �.�r�?�ati:7€, ������i�€� --_,a �. �_ _.� �. T ���tiCjiCt�Ye� A�_.. �._ .e.__ _._ _ 27.{� �`�` �__ _ _ Absor tion Widtt� � _ _ - _ -�....--_ Nc�te; For 4 to 1�6 skope�, Abs�or-ptivn Wr'a'th is measur�ci frc�m th�����qualty ir► batt� �lirections. For slapes >'[�, ,�bsar��rtf�m l�l�'rir�th is measured ci4wn�ilt from tk�e �pstope edge of the Bed. Rock Bed: i7.Q Yd�or'1.4= 29 tan b inches under pipe AAaund Sand: 201 yd3 or"1.4a 282 tan calculation besed on 3:114;1 slApe from top of rockbe� �oamy Cap: 64 yd�or*1.4= 97 tan b"deep ' Topsoit: SO Yd3 ar*1.4- 112 ton 6"deep INSPECTOR CHEGKLIST - mound !IU Lakev�ew Narkway , � WELL setbaeks: 20'to pressure kested sewer Cine (5 psi for 15 min� 50'to everythin� 1�'to dispefsal area with shatlow wetl PROPERTY LINES setback: 10'to everything Raad sezback: platted: 10'prop tine. MeLe�s&bounds. out of road easement, or outer ditch. LAKEI BLUFF setback: 20'for bluff. Lakes: GD._, RD_, NE_, Protected wetland_, Building,setbacks: 90'for everything, 2Q`for dispersal area. WATER LINE under pressure se 1 Q'to b�d,tank�t sewer Eine. (else sewer(ine> 12"below) � Sewer line& baffle cannectian (na 90's, 3'between d5's, stope min 1"in 8', ma�c 2"in 8') {no depth �eq's, ctean out euery 100', Sch 40 pipe� � Septic tank and risers (water tight, ir►sutated, proper depth, existing verified by pumping) mfg 2250 galtons none Riser over outtet, riser over intet or center, and 6"+intpection pipe over any remaininr baffles. No effluent filter&atarm Dose tank risers and piping (water Cight, insulated, proper depth, drainback) mfg 1300 gallons � dose pump 29 gpm 45 head YERtFY PUMP CURVE 6.8 min ON 9 hr OFF � float setting drop 7;7 in€hes at 25.5 gpi "QESIGNED" 4.9 inches approx float tether length 197A gal dose divided by gpi "INSTAL�ED"= inches ftoat drop (fietd corrected LABEL pump requirements and drawdown on riser or panel Gam tock reachabte from grade - 30"m�. J-hook weep ha[e. 5upply line access (no hard 90's� 2.0 inch supply pipe: Sth40, sloped 1/8"+, support�d by 4"sch40 sleeve�r compacted, and buried 6"+. splice box t tontrot panet J eiectricat connettians flov�r measurementc ET, E1'AA, time dased,hame water meter mound absarption area rough up mound rock dimensions 1Q.0 X �A Sand lift depth 2p inches. (Jar test : 2"sand teaves< 1/8"silt after 30 min) � Absorption Sand beyond rocfc O.Q upslape 17.0 downslope � Bermed topsoil beyond rockbed 11 upstape 13 sidestape 26 downstape cover depth of 12-18"+ V£RIFY 3 laterels {t-2'from edge of rock} 2.00 incfi pipe size (Sch40 pipe�fittt`ngs) 3.0 ft taterat spacing 8 7132 inch perforations 3.0 ft perfaratian spacing Air inlet at end of laterals, and at top feed manifotd if necessary. VERfFY ctean outs (no hard�}'s) 4"inspection pipe to battam of rock, anchored VERIFY Abandon existing system - if necessary �Re-use existingtank certificatian monitorin�plan and type wel!abandonment farm -if necessary � _....r.� System �1e�ations �-� Y..��:�a.��,_..�. ...� � ��... benchmark �� -� � �' _ _ .. _ ��. ,���Maur�d �` {Gra�de elevati�ns are existin�. if a '� Y P different final grade is desireci it shc�u�d �' lQarn ca be�Mown and described here.� iaterai � b�ttom rock °��., g�ade �at u�,s��e r�c�t�a� �' SF�WT �at upstope ro�k b�d� �"``�---�,. �."`"�--��..�.��-� i ``--�.�,o... _ _ 1� . � . � , � � � ' P / ��R W � � I I - � I ,� I � ��r��,� � ,� � exiting hous� Sepcic Tar�k �pti�1'ani� t�a�������} Pump Tank Grade Gcade Grade Grade Fipe inlet iMet in�et Tank botfam Tank battom rank battom Lo s af Sail Borin s ' License#81� ' Laca�ian or F'roject; Lat 8, Bik 3 Bor�ngs rnad�by: Rusty Olson`s Soi!and Perc fi+esting 6i1/2014 Class�catit�n 5yste�rr: 1�ASH0 ; GSDS•tJSDS-SC� X ; t3n�ed ; Other Auger used{chec�C twoj; �land_X___, or Pawer , Flight, Bucket or Prtrbe,�X 8aring Number_1_Surface elevation�9�6.1 Mottled Soit at 1.3 feet 0"-6"Dark brown loam 10yr4/2 H20 pr�esent at_Xi 6"-16" Brown loam 10yr5/4 16"-24" Rusty brown loam 10yr514 Baring Number_2_Surface eEeva�ian_97Ei.tf Mottled Soi! at 1.5,,_„_feet 0"-6"Dark hrown loam 10yr412 H20 present at„_X_ 6"-18"Brown loam 10yr�f� � 18"-24"Rusty brown�ndy loam iQyrS/3 Boring M1iumber_„,3 Surfi`ace eleva#ion�961.5 Mottled Sal at_1.7 feet 0"-10" Dar9c�ro�nrn loam 10yr412 Fi2D pr�serrt at_X 1 Q"-20" Brown 3oam 10yr5#4 2�"-28"Rusty brawn loam 10yr5i4 Boring Number 4�Sur�ace elevatian_958.7 Mc�ttled Soil at 1.7 feef Q"-1D"Dark brov�m loam 1Uyr4d2 N20 presenf at! X�. 10"-20" Brown loam 10ye514 20"-28"Rusty brown loam 10yr5I4 ', �oring Number 5_5urface e�levatio�,_975.9 Mottled Soil at_1.7�fee#; Q"_10" Dark brown loam 10yr�12 H20 present at�X�, 14"-20" Brown laam 10yr4l4 20"-26" Rusty brown loam to clay loam 1Oyr�13 Bc��ing Nurn�r 8_Surface+�eva#ian_959A Mottled S€�i!at �f.7 feet d"-10"Dark brown lt�am 1 t?yr4/2 H20 present at X_ 1 Q"-20"Srown loam 10yr5/4 — 20"-28"Rusty bfo�srr� laam 10yr5f4 , Baring Nurrib�r 7 Surface elevation_961.5 Mottled Soil at 1.7 feet 0",_1t�" Dark br�vvri loat� 1t�yr412 N20 present at X_ 1 o"-�a"�rown tc�am 1£}yrsfA� — 2U"-28"Rusty biroe�m ioam 10yr514 Percolatio�Test 6?ata SF��et Lic.#81 t} Pereola#ing test readings made by: R�t�t�O�strr�'s Perc.starting af 12:19 P.M. On 7i02114 Lc�cation: Lot 8, �1k 3 ' Hole number: 1 Date hole was p�pared 7!{31/14 {�epth of hol� bat#om_12"_inches, Diameter of hole 6"„_„_inct�es. ' Saii data from test hale: Dep#h, inches Soil texkure ' 0-8" �ark brc�wn loaht 1 Oyr3I� 8"-12�� Brown#t�am 1Qyrd/4 Method of�cra#ching side walt: Knif� Qep#h crf gravei in iac�#tom of hole 2 inches: Date af initial water fitling 7/01i14 de�Ft fl�f initiat water ft��ing 12 inches� above hole bcr#is�m, Meth�tl used to maintain at least 12 inches of water depth irr hole#or at teast 4 hours Autamatie Siphar� Maximum water depth above hole b�ottom during tests 8 inches Time Time Depth C}rop in Ff�O Perc Rate 12:29 12:44 8" 1.9 7,9 12:51 i:fJ6 6" 1.9 7.9 ' 1;07 1:22 6" 1.9 7.9 AVERAGE PERC. RA 7.9 MPl P�rcc�lafion Test Data Shest Lic.#810 ' Percalating tes#readirtgs made by: Rusty Qfson's Perc.�€arting at 12;19 P.M.t}n 71�Zf14 Location: Lot 8, Bik 3 Hole number: 2 Date hc�#e was prepared 7l01l14 Depth of hoie botto��12"+inches, Diameter of hole_6"_inches. Soil data frpm test hole: Qepth, inches Soil te�ure d-8" Dark brown laam 10yr3/2 8"-12" Br�iwn loam 1Oyr414 Mefhc�d of scratching side wall: Knifa Depih of gravel in bottom af hole 2 inches: Date a#initia!water filiing 71tI1/14 de�h of in:i#ial w+a#er�llin� 12 inches at��re hole bo#tc�m. Nlethod used tc�m��ntain at least 12 inches of water de�h in h41e for a#I�ast 4 haurs Automa#ic Siphon Maximum water depth a�ve fic�le bt�ttc�m during tests 6 inches Time Time Depth Dro in H2t? Perc Rate 12:3{i 12;45 6" C1.9 16.7 12:50 1:05 6" 0.9 16.7 1:Q8 1:23 6" tt.9 16J AIJERAG�PERC. RA E 16.7 MPI L ' F'�rcola#ittn TesC�ata Sheet Lic;#810 Percola#ing test readings made by: Rusty Oison's Pecc.sta:rting at 12:1�P.M. Qn 7102174 ' Locati�n: Lot 8. Bik 3 Hole number: 3 Qate hai�was prepared 7JQ1114 Depth�f hate bott�m_12"_inches, Diameier c�f F�o1e,,,,,,,,6"_inches. Soil data from test hole_ Depfh, inches Soii te�ure ' �-8" oark bro�nrn Ioam 10yr3t2 8"-12" Brawn tt�arn 10yrAJ4 Methad of scr�tching side wali: Knife Depth nf grave! in bottom of hole 2 inches: [?ate of initial water fiiting 7/01/14 e��pth af i�i��at water ftiling 12 inches abc>ve hole t�r#tom. Me��tod used tc� maintain at least 12 inches af wat�r depth in hole for at��as#4 hours Automatie Siphon Maximum water depth above hcale bott�m du�in�te�s 6 inches Time Tirne [7epth t}r�p in H2Q Perc Rate 12.31 'f 2:46 6" 1:S 1(3.0 12:49 1:04 6" 1.5 10.tD 1:09 1:24 6� 1.5 10.t} AVERAGE PERC. R'AT 1 i�.{3 MPt . ' . Percalation Test Da#a 5heet ' �ic.�8'!0 Percoiating tes#readings made by: Rusty�ison's Perc.starting�t 12;1�P.M. On 7102t14 Laeation: LQt 8, Blk 3 Hole number. 4 Dafe hole was prepared 7/01/14 Depih of hole bottom_12"�inches„Di�meter of haie_6"_inches. Soil dafa from test hole: Deptn, inches �oi{te�une 0-8" Dark brttwti loa[Tt i0yt3{2 �p���N ��V�l, �V�4U�#i ��7���#'/�� �. Methad of scratching sid�wall: Knife Depth af grau�! in bott�m of hole 2 inches: Date oi initia(wa#er filfi�rg 7!{#1f14 depth of initial w�er fitling 12 inche� above hole�o#kom, Method u�ti t+�rrtainrtain at least 12 inches of water deptta in hole�e�r at l�as#4 hours Automatic Siphon Maxirt�urn water de�th��ave hole bottom during tests 6 inches Titne Time �epth �rap in H2f} P�rc Rate 12:32 12:47 6" �:4 7.5 12:48 1:03 6" 1.9 7.9 1:10 1:25 6" 1.9 7.9 AVERA���F'ER�n RAT � 7.7 IV1P( � � �