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HomeMy WebLinkAbout10/08/18 Soil Investigation & Design Memo #. 1,4 Mut, f, MEMORANDUMSoilInvestigati°n �►...,_ 8 Designin To: Mr. Roger Peitso, Building Official City of Orono, MN From: Paul Brandt PSS Soil Investigation&Design, Inc. Date: October 8,2018 Subject: 2300 Fox Street, Orono, MN We have reviewed the information you provided today. We understand that this is a unique location with significant limitations. We reviewed the revised design under the following assumptions: 1. The area must be of adequate size to absorb the design flow from the site's residence which is 750 gallons per day. 2. The average contour loading rate must not exceed 12 gallons per day. 3. The dispersal area must meet code requirements for orifice size and spacing. 4. The dispersal lines must be installed to allow the operator to service the lines and adjust the flow to each line. We have reviewed the submitted revisions; we have found that: 1. The area of the dispersal bed is 1,268 square feet which exceeds the minimum bed size of 1,250 square feet. The bed size is adequate. 2. The average contour loading rate must not exceed 12 gallons per day. The average contour loading rate calculates to less than 12 gallons per day. The contour loading rate is adequate. 3. The dispersal area must meet code requirements for orifice size and spacing. According to the Septic Resources work sheet if the orifice is 7/32 inch with spacing of 3 feet then the distribution is adequate. (Note: other combinations may work but they must be specified.) 4. The dispersal lines must be installed to allow the operator to service the lines and adjust the flow to each line. It is unclear if the distribution is center feed or end feed. The distribution appears to be center feed which is acceptable. Due to the layout (uneven lateral length) end feed will not meet code. Further, also unclear the (but because of the unequal number of lateral) a squirt test must be completed. Therefore, each lateral must have valves installed to regulate the flow and pressure in each lateral. With these provisions this design is approvable by the City of Orono and the permit can therefore be issued by the City of Orono. Thank you for your time. I hereby certify that I am an advanced designer and am qualified to design/review this work in accordance with all applicable ordinances, rules and laws. Paul Brandt, Lic. # 5182; Soil Investigation & Design, Inc. Lic. #3263 1 SP TESTING INC. Steven B.Schirmers -951 Katydid Lane NE-St. Michael, MN 55376 Cert. No 627 - State License#394 - Phone 763-497-3566 - Fax 763-497-5011 www.sptesting.wastewater@comcast.net- schirmerswastewater.com Revised October 3, 2018 Revised August 17, 2018 November 18, 2017 Ed Cunnington - New Owner Ben Hallen 2300 Fox St. Orono, MN This site has an existing on-site sewage treatment system which has been classified as non-compliant by others due to not meeting the required separation from the bottom of the system & mottled (redox features). The existing tanks will be abandoned, pumped & filled with soil & new tanks installed. A tank abandonment report must be completed by a licensed contractor. This site has very limited space for placing a new system due to steep slope, excavated & compacted soils. The only area available is west of the house. A standard system under Minnesota Chapter 7080 rules cannot be designed. The proposal is to install a Type IV, System under Minnesota Chapter 7080.0179 rules for a Type 1, 5 bedroom home with a 1.5' separation from the bottom of the bed & redox features. A Class 1, Multi-Flo Aerobic Wastewater Treatment system which is classified as standard under Minnesota Chapter 7080 rules will be used or a unit which has positive filtration and an alarm equivalent to a Multi-Flo Unit. The highly treated, filtered effluent produced by the Multi-Flo is over 95% free of the normal sewage contaminants that cause the progressive failure of conventional systems. The unit will be a 750 gal/day. A trash trap is installed in front of the Multi-Flo Unit. The unit requires to be serviced 2 times a year which will be done by Schirmers Wastewater Treatment Systems, Inc. A 2 year parts & service warranty comes with the cost of the unit. After that time, the homeowner is required to carry a service contract at a cost of$225.00 a year (2018 price). A report is sent to the homeowner, City , MPCA & Multi-Flo yearly. The soils on this site are a loam. The seasonally saturated soil, mottled soil (redox features) are located at 16" to 26". The proposal is for a pressurized seepage bed. The seepage bed will be over excavated to the loam soil elev. 99.9 to 101.0, then placed washed sand to elev. 104.6 leaving a 1.5' separation using SB#1 with mottled soil at 1.3', elev. 103.0. The north end of the bed will require approval for the to be 10' away from the West property line. Reviewed for Code Compliance City of Orono Date / ' .. Reviewer ..�. i i , ,��I All property line will need to be located prior to installation. The first tank will be a 2000 gallon dual chamber tanks reversed using the 750 gallon side as the trash trap & the 1250 gallon side as a dosing chamber(pump #1) which will dose 15.6 gallon every 30 minutes with a timer to the Multi-Flo Unit. The effluent will flow gravity from the Multi-Flo to a new 1500 gallon pumping chamber (pump #2) flowing through a Sa10Cor UV Light which will pressurized the seepage bed. The power supply & switches must be located outside the manhole & pumping chamber in a weather proof enclosure. A warning device must be installed with a light & sound device. This is in case of a pump failure. Monitoring of the drainfield, UV Lighting & fecal coliform testing is required immediately after the system is installed. 2017 Service contract for Multi-Flo is $225.00, monitoring drainfield 1 x a year is $50.00 when we service the Multi-Flo & a Fecal Coliform test is required 1 x a year at $90.00. Price subject to change. An operating permit is required with the County at all times. If the tanks have less than 2' of cover, the lids, risers & maintenance hole covers must be insulated to a value of R10. Cleanouts for each lateral with a sleeve must be insulated & be accessible from finished grade in an irrigation box with a ball valve. A water meter or event counter must be installed to monitor daily water use. The homeowner is responsible for the water meter readings. The mitigation plan is if hydraulic overloading would occur, a timer could be installed to reduce the amount of effluent pumped to the system and also by using the 1500 gallon pumping chamber allows the effluent to be stored during peak use and pumped to the system during low water use periods. The second would be to install holding tanks. All neighboring wells are located greater than 100' away from the proposed treatment area. Keep all heavy equipment off of the proposed treatment area before and after construction. The treatment area should be marked off before construction. This design is not valid&the system will need to be relocated if failure to protect the sites for new onsite sewage systems. MANAGEMENT PLAN: The tanks need to be maintained at a minimum of I time every 2 years,check with you pumper to set up a schedule. System inspected for areas by owner&or Inspector as determined by the local unit of Government. Any other requirements as determined by the local unit of Government. With proper installation&maintenance,this system should have no problem In treating septic effluent effectively. Nothing other than human waste,toilet tissue,laundry,showers,water softners etc. should be disposed of into the system. Recommend Iron filters be diverted out of the system.Garbage disposals are not recommended. Excessive amounts of soaps, antibacterial soaps,cleaning agents,shower cleaners used every shower&chlorine agents may kill the bacteria needed to treat septic effluent. Additives are not recommended. Recommend laundering be limited to 3 to 4 loads per day. The Multi- Flo Unit will need to be pumped when the settable solids reach 40%. Schirmers Wastewater will meet the pumper&clean out the Multi-Flo at the same time. There will not be a charge from Schirmers Wastewater as long as pumping is only needed 1 time every 3 years. The pumping charges from a licensed pumper are you responsibility. Thank You ,.,. .- h. 4„,,.../,...., Steven B.Schirmers This sign requ a signature from an Advanced Designer Zei.:VitVq21- 1Y/e0/1 7* Bernie Miller 2300 Fox St.,Orono Date Date ., it', / SP TESTING INC. Steven B.Schirmers —951 Katydid Lane NE—St. Michael, MN 55376 Cert. No 627 — State License#394 — Phone 763-497-3566 — Fax 763-497-5011 www.sptestine.wastewater@comcast.net— schirmerswastewater.com October 3, 2018 Ben Hallen 2300 Fox St. Orono, MN The revision for this design was completed after being required by the Advanced Designer Paul Brandt who reviewed the design. NEW DESIGN OLD DESIGN Pump 1/2hp 3/4hp Supply line - 172' 145' Distribution pipe-409.5 lin.ft. 315' Perforations - 1/8" dia. 3/16" Excavation - 154 cu.yds. 134 cu.yds. Washed sand - 225 cu.yds. 147 cu.yds. Topsoil -95 cu.yds. 80 cu.yds. Bottom Excavation - 99.2 to 101.0 99.9 to 101.0 Rock - 29 cu.yds. 38 Cu. Yds. Steven B. Schirmers GUSTY OLSON'S SOIL AND PERO. TESTING 11481 Riverview Rd. NE — HANOVER, MN 55341 Phone 763-498-8779 -- Fax 763-498-8290 Joseph J. Olson--MPGA license#810 November 16, 2017 Edward Cunnington 2300 Fox Street Orono,Hennepin County To whom it may concern, I was contacted by Edward Cunnington to do a site evaluation on the property at the above address. For the purpose of determining if there are possible septic sites. Soil borings at the site show that the lot has fill soils, excavated soils and compacted soils on all the areas less than 20 percent slope. The damage done to soils at this site are such that this designer does not have reasonable assurance that a type III system will function long term. Therefore, I recommend that you contact a designer that can evaluate the lot for the possibility of a type IV system. If you have any questions please call. Sincerely, ' J p Joseph J. Olson • . ;1-• a i .r, -• Q Se ( IkPA .1.- V A.-, .i . . , ' ,„t .... . A -- ____ / ..,..._ 1, / 4 r J..) i / ''''j ) 1 / `'.‹''' i ' / __"L— 1 • 1 ' , 1, • / -' IP / / 0 .., . , . ...... --5 , 5— --t• 'i..k N / . •.:"A(k. , 11 / 7./././7----"---- c - 0 C --..., . „/"7------- c* ..c• __ '''''''''''..,....„.....,...„...„ • . o A i•-• 111 .7.--%. -• lr j"-- V\ , • 4.. C) r- 4-- • ' t5., Ci - 3 . r- • q -11/4. ) -..„).- 0.• . . r HI I- N-..?_ , ..,,••••"•••....---,, t . . .----,,,-,------- fo( t . °A AG * 4t1 1.------5------ °'- . —,-...____ ", -• ••••••„. . . r) 9 C5 a- r) ..., i 1 R F CD C.,,,,, 9-1 r ,,. g g.g. . 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J t 9.S ,(bSx J 1Jv a'1 T i 3t.5 3 3 .S _ g YT'4't)m3 •Q ',(14* - 0°d'J4 N - 1 S,.t Via' V'') 0 / 3' 1,r 1, • i l` 5'J._ f� .l -'T--_-�;- ' , I `; X04 6,4%-s , 1.9.5 ,l to5 �{ c1,W ,aJf ' t3�./ S t•S 3 --1 __U.1 __40_ "_''.�-- J'-.,r?_' - 4'2'7 - 18' GAS:KG'S..r-gcSo-? 5 ca'•4 . ,r. _3}.S os�-tl.r�_1tivf�� -_._ tea' it N.- 33 ' `7 e'y. o 7')- °15w 3t•5 3 q' t.5 7' iu`0t ` 1 , 3t:5 4, 3 rlbir. 3.Qtr�a SET- BACKS �.s�,,� Si . 03.0 �3�-33 - 'rt,5 HOUSE System must be: • -� �' __�_ ,cnLZt-+t {� �,t,,q l wry » Tank �o' from property fetes L4 0.'a.) 19 q-9) +' 1-35- tot•o +il HAAS its 5d' from wells tia ;5a, , '4.� °3.3 - WA1.V�o, '{ 5 ` 99.9 to from Vis. Qt_Au VI t✓v� 5151Z 3• i��,�t Treatment ore° -- 'fran lakes, streams - 1st-1 Treatment bre° at?` from property lines , -� i 93.,E 1 *from wells' ' ' So 5ca -1vt,•3 't 3,o -. a from Bldgs_ r tw'400 .?, — from trees '.,.. ... . .. '/s SOIL BORING ELEVATIONS • r.�'mW� 9 t'o ..---..--J--...------------=-1;17--''' i .n �_- 1r;�0'o — �a_lut...1L k`t_14 S.OT s '*-'. __ 7t ,Zo4 40 y•, TIi11 EL,-10w3 t•3' to t� . Fr• n`loF 3 �s�g t iaso 1 v1°{ - 102'` 1 ow i ,•5 ( Tt-1"2 EL.-las. a•a' /0 1.0 Drop to Tank '35ca�dl Jv� ' t I w4v Si ;ae�%scope TH_"3 EL-to`�:9 a.o' toa.9 Min:.1"fab' r - C�.b.-).s 1 I 1 7H:'4 EL:- t rtaot l to 4' F'txrapirtg (- t^v>?wc ...,,,\... TH`5 EL.—____ • *a,aoo _. .,„1,_!:,,-116•1/4-- .GH�1.n'ss Chamber ` - - ELEVATION of PROPOSED PUMPING*a _ 4'to fi diet.pipe Itf -,')sv-_t i 1r-A��N_ tx - !5r.�o,.i.,a �(o,04,../)4-,;1 JO 99.5 '{v t+3,•t7 CHAMBER-'Jy (ground elev.) ly-A. '- ta5n p.t v.osstN, 6 1.4 N . •_ SYSTEM DESIGN .-(.{t'<_ r S`�� .r..., TYPE' ,5 BEDROOM - Percolation rate min./inch (design- - mniinctt) • Treatment area required w/ g` of rock filter material 1 .lo 6 . sq.ft. Number of tonics required 1 , 1st tonkaorrvgoL, and tank - gat. minimums ' 106•141- L1a to TV1R . 1 6 Clean rock 3 8 cu-yds. (3/4"to 2 l/2"dia.,includes 2"obove pipe) til.(...a.•<-v fir -s ..pw u•,a,-t' 4(,-0,),.--)<;:-...,.--_-,2 l a- -l k */"'":--". u�,p PROPERTY OF:Fi ► 1-k A\--A.tix S. P chamber copocity= 25% of doily sewage lbw of 1)669ot=�3 19Olt Reser<re.sfocogeLl3kjd t Pipe hack d 21 =133ti got cep 23Uv Vit. Y, 9' "'," 1, '(1v00`^ „ S )Scan _— j Gtr. V -5O 3- ).),--6-1)-S r--° • ( Reserve storage =t*o.go(./bedroom=11?.S.gol. t pipe back drenoge- V)gal./t005n.f t.?- pipe-- length of pipe needed o '1 .ft. = a 9 got.) F'Jv+'t4 Pumpsize t), t �1',9..1/c.Yue F� *' '-T---hp w/merry float pump controls u Ste• 3`t __ " ' ) `SSS ) '41 4)(-- tlS," U 3 0a41/'41 • ti „ II it •• a` S-P TEST G INC. `'�, ''tt•'t`o'¢ Note: When constructing bed .r- , Itis area shoub be shaped Note: Distance from treatment area to ne. .. L y:4 j./L _- -- . to divert run-off from entering treatment area. V'�% ''�t4 4-\ t Uo r g wells- Designed 6 . Dote:AAti1) , PH_1b'3-497-3566 Soil Observation Log wwtiv.SepticResource.com vers 12,4 Owner Information Property Owner/project: Ed Cunnington Date 11/18/2017 Property Address/PID: 2300 Fox St., Orono Soil Survey Information ❑ refer to attached soil survey Parent matt's: 2 Till ❑Outwash ❑ Lacustrine ❑Alluvium ❑ Organic ❑Bedrock landscape position: 0 Summit ❑Shoulder ❑Side slope ❑Toe slope soil survey map units: HcC2 slope % direction- Soil Log#1 0 Boring ❑ Pit Elevation 104.3 Depth to SHWT 16" Depth(in) Texture fragment% matrix color redox color consistence grade shape 0-6 loam 10YR 3/3 Friable Weak Granular 6- 16 clay loam 10YR 4/3 Firm Moderate Prismatic 16-40 clay loam 10YR5/4-10YR6/3 10YR 6/8,10YR 7/1 Firm Moderate Prismatic 40-54 loam to sandy loam 10YR 6/3 IOYR 6/8, IOYR 7/1 Friable Weak Prismatic 54-78 loam 10YR 6/4 10YR 6/8, 10YR 7/1 Friable Moderate Prismatic Comments: 2300 Fox St., Orono Soil Log#2 lb M Boring ❑ Pit Elevation 103.2 Depth to SHWT ; Depth(in) Texture fragment% matrix color redox color consistence grade shape 0- 12 loam 10YR 3/2 Friable Weak Granular 12-26 clay loam 10YR 4/3 Firm Moderate Prismatic 26-48 clay loam IOYR 5/3 10YR 6/8, 10YR 7/1 Firm Moderate Prismatic 48 -60 sandy loam 10YR 6/3 IOYR 6/8, 10YR 7/1 Friable Weak Granular 60-78 sandy loam 10YR 6/4 IOYR 6/8, 10YR 7/1 Friable Weak Granular 2300 Fox St., Orono Soil Log#3 2 Boring ❑ Pit Elevation 104.9 Depth to SHWT 24" Depth(in) Texture fragment% matrix color redox color consistence grade shape 0-6 loam 10YR 3/2 Firm Weak Granular 6-24 clay loam I OYR 4/3 Friable Moderate Prismatic 24-4'8' loam 10YR 6/3 10YR 6/8, 10YR 7/1 Firm Moderate Prismatic 48- loam 10YR 6/4 Friable Weak Prismatic )--YL 1 hereby certify this work was completed in accordance with MN 7080 and any local reg's. 6 J r ., , »,„ lit, --ST-4 Designer Signature Company License# 2011 purple code Multi Flow &t Pressure Bed www.SepticResource.com (vers 15.2) Property Owner: Ben Hallen Date: 10/3/2018 Site Address: 2300 Fox St., Orono PID: Comments: pressuirzed bed-dig out instructions: =site specific input =adjust if desired I-1 =self-calculated (DO NOT ADJUST) )) 5 bedroom Type IV Residential System 2) 750 GPD design flow (average flow should be < 70%of design flow) PRETREATMENT: (Residential strength to level"A") 3) 2000 Gallon Trash trap/pump tank to Multi-flow Reversed - 750 trash - 1250 dose tank#1 4) 750 Gallon Multi-flow unit 5) 30 gpm 10 ft head TREATMENT pump 48 doses per day 15.6 gal/dose (treatment) 10 feet of 2.0 inch supply line leads to 2 gallons of drainback volume 17.6 gallons total pump out volume Timed dosing of 35 sec ON (confirm pump rate with drawdown 29.4 min OFF test and adjust as necessary) 6) 18 inches from bottom of tank to Timer ON float Hi level Alarm to be set at ®%of tank capacity UV light req'd Yes DISPERSAL: 7) 0.60 GPD/ft2 Soil Loading Rate 1250 ft2 (code minimum) 1268 ft2(design size / LUG req'd) Treatment Level AIB (must match soil boring tog) average 8) 19.5 ft desired bed width, leads to a 65.0 ft bed length (25'maximum) 9) 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum 3 for both) middle feed manifold connection 10) 13 laterals 31.5 feet long 11.0 perfs / lateral 143 perfs total (1/2 pert means the 1st perf starts at the middle feed manifold) l t) 1/8 inch perfs at 2 feet residual head gives 0.26 gpm flow rate per perforation ( If bed has> 1'of cover, increase residual head for cleanout req's) for this perf size&spacing, &pipe size on line 14, max perfs/lateral= , tine#10 must be less --> OK 12) 4.0 doses per day (4 minimum) 13) 188 gallons per dose (treatment volume) 1.25 5x 14) 1.50 inch diameter laterals must be used to meet"4x pipe volume" requirement 1.50 3x • is) 172 feet of 2.0 inch supply line leads to 29 gallons of drainback volume (Tip: "top feed" manifold to control the drainback) 16) 217 gallons TOTAL pump out volume (treatment+ drainback) 17) 20 feet vertical lift from pump to drainfield laterals, leads to a 18) 38 GPM C 34 feet of head, DISPERSAL Pump requirement ( >50 gpm may require additional 3-6'head allowance for discharge assy) 19) 1500 gal Dose tank (code minimum) 1500 gal Dose tank (design size/ LUG req'd) at 29.00 gpi 20) 7.5 inch swing on Demand float, or Timed dosing of 5.7 min ON (confirm pump rate with drawdown (to deliver Average flow, 66%of Peak design flow) 9 hrs OFF test and adjust as necessary) 21) 12 inches of from bottom of tank to"pump OFF"float 22) 20 inches from bottom of tank to"pump ON"float, or 12 inches to"timer ON"float if time dosed 23) 23 inches from bottom of tank to"Hi Level"float, or 33 inches to"Hi Level"float if time dosed 24) 833 gallons reserve capacity (after High Level Alarm is activated) SB#1 elev. 103.0 25) 16 inches, or 1.33 ft. to Redox or other limiting condition (This must match the soil boring log) Treatment zone contains 0 inches 0%soil credit and 0 inches 50%soil credit 26) 18 inches, or 1.50 ft. of vertical separation required leads to bottom of rock no more than: elev. 104.5 27) -2 inches, or -0.2 ft. Below existing grade CRITICAL FOR FUTURE CERTIFICATIONS!!! 28) 6 inches of rock below the pipe 2 inches of rock to cover the pipe 29) Overall Dimensions: 19.5 ft. wide by 65.0 ft. long Pressure Bed 30) Rock Bed materials: 20 ft. by 65.0 ft. by 8 inches total, plus 20%gives 38 yd3 or*1.4= 53 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Qd,C, E;t - sJ.7 lit( 10/3/2018 Designer Signature Company License# Date Installer Summary PRETREATMENT: Reversed - 750 trash - 1250 dose tank#1 12000 (gallon trash trap / Multi-flow pump tank I 750 (gallon Multi-flow unit I 10 (ft of 2.0 inch supply line to Multi Flow 30 gpm @ I 10 Ift. of head, TREATMENT pump I 35 Isec ON time 129.4 (min OFF time Timer ON float to be set at I 18 inches from bottom of tank Hi level Alarm to be set at i1 75 % of tank capacity UV light req'd Yes DISPERSAL: 11500 (gallon Dose tank (minimum) at 29.00 gpi I 38 (GPM @ 34 ft. of head, DISPERSAL Pump I7.5 (inch swing on Demand float or 5.7 minutes ON time & 9 hours OFF time 20 inches from bottom of tank to"pump ON"float, or 12 inches to"timer ON"float 23 (inches from bottom of tank to"Hi Level Alarm"float I 172 (ft. of I 2.0 (inch supply line with(middle feed (manifold connection 13 laterals 11.50 linch diameter 131.5 (feet tong 3.0 ft lateral spacing 1/8 inch perfs 3.0 ft perforation spacing 13 clean out&valve box assembly Bottom of rock no more than: -2 inches, or I -0.2 (ft. Below existing grade I6 (inches of rock below the pipe Overall Dimensions: 20 ft. wide by 65.0 ft. long Pressure Bed Rock Bed materials: 38 yd3 or*1.4= 53 ton Multi-flo Installer's Elevation Note sheet Multi-flo&Absorption area are generally higher in elevation,so start with their req'd elevations. Then set the tanks,generally in a lower elevation,to achieve the appropriate flow direction. Compact the backfill around the over-excavated Multi-flo unit to avoid breaking the inlet/outlet pipes due to settling. Model: 500 600 750 Grade to inlet invert 17.8" 16.5" 16" Grade to outlet invert 21" 20" 19.5" Grade to bottom 75.8" 74.5" 7B3" —L _. — • ---- SHWT 'r f s 5c�.3-.t Trash trap Multi-Flo7 Dosing tank Gravity down. �0.1. 54�'� Gravity down. d I yup. Pump up. Line is to be laid to provide drain-back Line is to be laid to provide drain-back after pump shuts off after pump shuts off. Rouse Trash Trap Multi-Flo Dosing Tank Absorption Area 33.o grade 93.o grade 90.o grade 7o3.7.- +oy.S grade outlet 9 Li•O 91.7 inlet 4, 9 0.3 inlet outlet i. T outlet Rt. 4, 8,),-"S inlet i v,, ) laterals outlet 68. 8k•3 bottom 8\o bottom 3;.,5 bottom 1u4•S bottom rock }u2.J SEIWT INSPECTOR CHECKLIST - Multi flow - Pressure bed 2300 Fox St., Orono __. WELL setbacks: 20"to pressure tested sewer line (5 psi for 15 min) 50'to everything 100'to dispersal area with shallow well PROPERTY LINES setback: 10'to everything Road setback: platted: 10'prop line. Metes & bounds: out of road easement, or outer ditch. LAKE/BLUFF setback: 20'for bluff. Lakes: GD RD , NE . Protected wetland Building setbacks: 10'for everything, 20'for dispersal area. WATER LINE under pressure se 10'to bed,tank Et sewer line. (else sewer line> 12"below) n Sewer line a baffle connection (no 90's, 3'between 45's, slope min 1"in 8', max 2"in 8'). (no depth req's, clean out every 100", Sch 40 pipe) Septic tank and risers (water tight, insulated, proper depth, existing verified by pumping) mfg 2000 gallons trash trap/mufti-flow dose tank Riser over outlet, riser over inlet or center, and 6"+ inspection pipe over any remaining baffles. 750 gallon Multi-flow unit UV light req'd Yes Treatment pump 30 gpm 10 head 17.6 gal 35 sec ON 29.4 min OFF 10 ft 2 inch supply line n timer ON float 18 inches from bottom HLA at 75%tank capacity Dispersal: Dose tank risers and piping (water tight, insulated, proper depth, drainback) mfg 1500 gallons n dose pump 38 gpm 34 head VERIFY PUMP CURVE 5.7 min ON 9 hr OFF • float setting drop 7.5 inches at 29 gpi "DESIGNED" 217.0 gal dose divided by gpi "INSTALLED"= inches float drop (field corrected) LABEL pump requirements and drawdown on riser or panel Cam lock reachable from grade - 30"max. J-hook weep hole. Supply tine access (no hard 90's) 2.0 inch supply pipe: sch40, sloped 1/8"÷, supported by 4"sch40 sleeve or compacted, and buried 6"+. Lisplice box / control panel / electrical connections Bed dimensions 20 X 65.0 Rock depth below pipe 6 inches Rock bottom elevation -2.0 inches from Grade to bottom of rock(max) cover depth of 12"+ VERIFY 13 laterals (1-2'from edge of rock) 1.50 inch pipe size (sch40 pipe &fittings) 3.0 ft lateral spacing 1/8 inch perforations (smaller is ok) 3.0 ft perforation spacing Air inlet at end of laterals, and at top feed manifold. VERIFY clean outs (deep bed 2'of head) (no hard 90's) 4"inspection pipe to bottom of rock, anchored VERIFY Abandon existing system if necessary Re-use existing tank certification monitoring plan and type well abandonment if necessary 'Type IV - performance" Monitoring and Maintenance Disclosure Property address: z5a0 ,�( The septic system designed for this site has been classifed as a Type IV system and wilt therefore require ongoing monitoring and maintenance for the life of the system. It is the owners responsibility to discuss these requirements (as listed on the permit) and their respective intervals and costs with their septic designer and/or maintenance provider. Monitoring and maintenance may include (but is not limited to): -Manufacturer required maintenance -Tank pumping -Taking Lab samples It is the owners responsibility to hire an M.P.C.A licensed septic professional to perform this work, and for that professional to submit an annual report to the Local Unit of Governement. All other long term septic system costs such as repairs and emergency service calls outside of any warranty coverage (if applicable), are outside the scope of this disclosure. • I acknowledge and understand these requirements, and agree to contract a licensed professional to monitor and maint.'• •' sys em. 1/0 —0- — /131 Owner 416 re Date P 13-78 ■ SECTION 13: Forms and Reference UNIVERSITY OF MINNESOTA Septic System Best ; ' _ ,,:''. Management Practices `} Septic systems protect human health and the environment by safely recycling wastewater and returningit tonaturalal environment.It is your job as the homeowner to be sure this happens effectively and safely.As with your car,regular maintenance and attention is needed to keep it operating efficiently in a cost effective manner. Septic Tank Soil Treatment Area: Trench or Mound Functions: • Separates into three layers:scum(stuff that floats Functions: )' Soil organisms destroy pathogens(bacteria,viruses). sludge(stuff that sinks),and the liquid. • The solids and scum are held until removed bythe • Remove phosphorus,reduce nitrogen content. Recycle clean water into the soil and ground water. maintainer.Anaerobic bacteria work to break down wastes,prepare the liquid for the drainfield. Water plants,nutrand areenusede byrpund water,evaporate • The liquid is delivered to the soil treatment area to through gme tpr plants. complete the treatment process. Best management practices: • If solids are not removed,they can end up in the soil • Maintain vegetative cover(turf grass,native grasses, treatment area,cousin flowers).Mow,but do not fertilize,burn or over-water. • Factors that increase frequfency of puinpin use of •� Keep all vehicles,bikes,snowmobiles,etc.off. Do not trees or garbage disposal,water treatment unit that discharges • Inspect for c racked,missing nspecbs near ti of pipe covers. into the septic system,in-home daycare or other reason • Follow practices to prevent freezing,including a large number of people are present most of the time, laundry on the 2nd floor,excessive use of water and mulching the entire system if needed. strong cleaning products. Household Best Management Practices Best management practices: Manage water use • Tanks need to be evaluated every two to three years • Repair all leaking faucets,toilets,fixtures. and pumped if necessary. Some counties requireChange to low flow toilets,shower heads. • pumping on a specified basis.New homes—pump • Replace appliances with low water use models. • Spread water uses evenly throughout the day and week.. within 3-12 months of occupancy the first time. • Never allow a tank to be cleaned through the inspection • Re-route clean water sources: water softener,treatment pipe.This is not allowed by code,and it does not allow unit recharge water,high efficiency furnace drip,sump a good cleaning to occur. Scum can plug the baffle, pumps to separate drainage area. baffles can be knocked off.Tanks should orbe cleaned through the manhole or maintenance Watch what goes down the drain: • The toilet is not a garbage can—nothing should be • Be sure baffles,effluent screen,pumps and other components are inspected when the tank is pumped, • Excess medicatrionsanretum to phaste and rmacy olet r land-fill. • Install risers on the manhole covers to allow easier rain cleaner • D not uses uminate toma• Limit or t cc toilet cleaners,disposable brushes. access.Insulate the cover and secure tightly. • An effluent screen will prevent most solids from • Do not use every-use or automatic shower cleaners. • No hazardous waste,paints,solvents,chemicals. Use reaching the soil treatment area.Install and clean according to manufacturer recommendations. • Never use additives. The cleaners are harmful to your • disposable paint brushes. • Nlo chlorine treated watergor limit use of uch as from hot tubs. system.They do not replace good managementrage practices. Starters and feeders are not effective. #ar • Warning;NEVER go into a septictank—there Manage product use: there are • Minimize use of anti-bacterial soaps,cleansers. • Detergents:measure accurately,use as little as possible. dangerous gases and no oxygen! • Do not ignore alarms—troubleshoot the problem. • Limit use of bleach-based cleansers. Septage—the solids from the tank are usually land-applied.Lime is added n the truck to destro pathogens and help control odors. Septic pumpers must follow strict guidelines to protect public safety and water quality. Septage disposal is y managed by the MN Pollution Control Agency(MPCA)and the Environmental Protection Agency(EPA). For more information:Order the Septic System Owner's Guide.Call 800-876-8636 or go to http://shop.extension.umn.edu. Onsite Sewage Treatment Program web site: httfic.umn.edu,University of Minnesota Extension http:/www.extension.unutedu.on.umn.edu. �20Q8 Regents of the University of Minnesota. Written by Valerie Prax,Regional Extension Educator,6/07d 9 an made available in alternative formats for people�withdisabilities.ieCall tthe sWater Resources Center,nteerr,612-62 49282,This material can be • _. UNIVERSITY OF MINNESOTA Septic System Management Plan for Below Grade Systems The goal of a septic system is to protect human health and the environment by properly treating wastewater before returning it to the environment. Your septic system is designed to kill harmful organisms and remove pollutants before the water is recycled back into our lakes, streams and groundwater. This management plan will identify the operation and maintenance activities necessary to ensure long-term performance of your septic system. Some of these activities must be performed by you, the homeowner. Other tasks must be performed by a licensed septic maintainer or service provider. However,it is YOUR responsibility to make sure all tasks get accomplished in a timely manner. The University of Minnesota's Septic System Owner's Guide contains additional tips and recommendations designed to extend the effective life of your system and save you money over time. Proper septic system design,installation,operation and maintenance means safe and clean water! Property Owner cj .\ vA`/\.,L1 \ Property Address a n d excirr4+0.< Property ID System Designer gner `� ;1 ` Phone 1,t,.: �4 01`? c, Le C., System Installer Phone Service Provider/Maintainer Phone Permitting Authority e.-1.11,,i O 0.,p00%) Phone 9sa� \4,00 Permit Permit it Date Inspected Keep this Management Plan with your Septic System Owner's Guide. The Septic System Owner's Guide includes a folder to hold maintenance records including pumping, inspection and evaluation reports. Ask your septic professional to also: • Attach permit information,designer drawings and as-builts of your system,if they are available. • Keep copies of all pumping records and other maintenance and repair invoices with this document. • Review this document with your maintenance professional at each visit;discuss any changes in product use,activities,or water-use appliances. For a copy of the Septic System Owner's Guide,call 1-800-876-8636 or go to http://shop.extension.umn.edu/ http://septic.unan.edu Version 6/10/2010 _ I _ .4111/4 UNIVERSITY Septic System Management Plan OF I N NESOTA for Below Grade Systems Your Septic System - f iraaau; .Mdrhiale �,.-, GmaM sufate . u.; -...._.- 7 YSol:rearmt'f O ..,. ..._ .. Oatstwlsmmedn za# Shra«;I pry 9:n7m➢, crµrao71 to*mango MINP1,91 Septic System Specifics System Type:OIOII ©III��iiV* V* ri System is subject to operating permit* �4t" [� System uses UV disinfection unit* (Based on MN Rules Chapter 7080.2200-2400) Type of advanced treatment unit *Additional Management Plan required Dwelling Type Well Construction Number of bedrooms: S Well depth(ft): System capacity/design flow(gpd): ?0 Cased well Casing depth: Anticipated average daily flow(gpd): 5 < Others ( pecify): Comments Distance from septic(ft): Business?n What type? Is the well on the design drawing? y N '�,vA T Septic Tank Pa,,,,f v a V One tank Tank volume: Nf3 ..t gallons 4 PTank(.f i one)-"- Pump 1 sv t7 gallons Does tank have two compartments?'[]N —I Effluent Pump make/model: II.; L,}p ' Two tanks Tank volume: gallons Pump capacity 3 3 GPM o Tank is constructed of Gvu C•ItSK¢ TDH 31A Feet of head ❑ Effluent Screen type: rit. Alarm location ,4 5 Soil Treatment Area(STA) Trenches:YI O c total-tine!feet 1 Gravity distribution 12 Pressure Number of trenches: at feet each distribution STA size(width x Iength): 1 ft x �, ft j Ins on ports Ea Cleanouts Location of additional STA: Additional STA not available -2- UNIVERSITY Septic System Management Plan OF MINNESOTA for Below Grade Systems Homeowner Management Tasks These operation and maintenance activities are your responsibility. Use the chart on page 6 to track your activities. Identify the service intervals recommended by your system designer and your local government. The tank assessment for your system will be the shortest interval of these three intervals. Your pumper/maintainer will determine if your tank needs to be pumped. System Designer: check every a\-} months Local Government: check every months My needs to be checked State Requirement: check every 36 months every + months Seasonally or several times per year • Leaks. Check(listen,look)for leaks in toilets and dripping faucets. Repair leaks promptly, • Surfacing sewage. Regularly check for wet or spongy soil around your soil treatment area. If surfaced sewage or strong odors are not corrected by pumping the tank or fixing broken caps and leaks,call your service professional. Untreated sewage may make humans and animals sick. • Alarms. Alarms signal when there is a problem; contact your maintainer any time the alarm signals. • Lint filter. If you have a lint filter, check for lint buildup and clean when necessary. Consider adding one after washing machine. • Effluent screen. If you do not have one, consider having one installed the next time the tank is cleaned. Annually • Water usage rate. A water meter can be used to monitor your average daily water use. Compare your water usage rate to the design flow of your system (listed on the next page). Contact your septic professional if your average daily flow over the course of a month exceeds 70% of the design flow for your system. • Caps. Make sure that all caps and lids are intact and in place. Inspect for damaged caps at least every fall.Fix or replace damaged caps before winter to help prevent freezing issues. • Water conditioning devices. See Page 5 for a list of devices.When possible,pro e frequency based on water demand(gallons) rather than time (days). Recharging program frequethe ntly may negatively impact your septic system. • Review your water usage rate. Review the Water Use Appliance chart on Page 5. Discuss any major changes with your pumper/maintainer. During each visit by a pumper/maintainer • Ask if your pumper/maintainer is licensed in Minnesota. • Make sure that your pumper/maintainer services the tank through the manhole.(NOT though a 4" or 6"diameter inspection port.) • Ask your pumper/maintainer to accomplish the tasks listed on the Professional Tasks on Page 4. -3 - UNIVERSITY Septic System Management Plan OF MINNESOTA for Below Grade Systems Professional Management Tasks ` `°" These are the operation and maintenance activities that a pumper/maintainer performs to help ensure long-term performance of your system. Professionals should refer to the O/M Manual for detailed checklists for tanks,pumps, alarms and other components. Call 800-322-8642 for more details. • Written record provided to homeowner after each visit. Plumbing/Source of Wastewater • Review the Water Use Appliance Chart on Page 5 with homeowner. Discuss any changes in water use and the impact those changes may have on the septic system. • Review water usage rates(if available)with homeowner. Septic Tank/Pump Tanks • Manhole lid. A riser is recommended if the lid is not accessible from the ground surface.Insulate the riser cover for frost protection. • Liquid level.Check to make sure the tank is not leaking.The liquid level should be Ievel with the bottom of the outlet pipe.(If the water level is below the bottom of the outlet pipe,the tank may not be watertight.If the water level is higher than the bottom of the outlet pipe of the tank, the effluent screen may need cleaning,or there may be ponding in the drainfield.) • Inspection pipes.Replace damaged caps. • Baffles.Check to make sure they are in place and attached,and that inlet/outlet baffles are clear of buildup or obstructions. • Effluent screen. Check to make sure it is in place; clean per manufacturer recommendation. Recommend retrofitted installation if one is not present. • Alarm.Verify that the alarm works. • Scum and sludge. Measure scum and sludge in each compartment of each septic and pump tank, pump if needed. Pump • Pump and controls. Check to make sure the pump and controls are operating correctly. • Pump vault. Check to make sure it is in place;clean per manufacturer recommendations. • Alarm.Verify that the alarm works. • Drainback Check to make sure it is operating properly. • Event counter or run time. Check to see if there is an event counter or run time log for the pump. If there is one, calculate the water usage rate and compare to the anticipated average daily flow listed on Page 2. Soil Treatment Area • Inspection pipes.Check to make sure they are properly capped.Replace caps that are damaged. • Surfacing ofeffluent. Check for surfaced effluent or other signs of problems. • Gravity trenches and beds. Check the number of gravity trenches with, ponded effluent. Identify the percentage of the system in use.Determine if action is needed, • Pressure trenches and beds-Lateral flushing. Check lateral distribution; if cleanouts exist, flush and clean as needed. All other components--inspect as listed here: _q_ UNIVERSITY Septic System Management Plan OF MINNESOTA for Below Grade Systems Water-Use Appliances and ,3.... Equipment in the Home Appliance Impacts on System Management Tips • Uses additional water. • Use of a garbage disposal is not recommended. • Adds solids to the tank. • Minimizeardisposalp - may prevent g age use.Compost instead. Garbage disposal • Finely-ground y ground solids not settle. • To solids from exiting the tank,have your Unsettled solids can exit the tank tank pumped mare frequently. and enter the soil treatment area. • Add an effluent screen to your tank. • Washing several loads on one day • Choose a front-loader or water-saving top-loader, uses a lot of water and may overload these units use less water than older models. your system. • Limit the addition of extra solids to your tank by • Overloading your system may using liquid or easily biodegradable detergents. Washing machine prevent solids from settling out in • Install a lint filter after the washer and an effluent the tank.Unsettled solids can exit screen to your tank the tank and enter the soil treatment area. • wash only full loads. • Limit use of bleach-based detergents. • Think even—spread your laundry loads throughout the week. • The rapid speed of water entering • Install an effluent screen in the septic tank to prevent 2nd floor laundry the tank may reduce performance. the release of excessive solids to the soil treatment area. • Be sure that you have adequate tank capacity. • Powdered and/or high-phosphorus • Use gel detergents. Powdered detergents may add detergents can negatively impact the solids to the tank. Dishwasher performance of your tank and soil • Use detergents that are low or no-phosphorus. treatment area. • Wash only full loads. • New models promote"no scraping". • ScrapeThey have a garbage disposal inside' Scrape your kes anyways to keep undigested solids out of your septicpticsystem. • Finely-ground solids may not settle, • Expand septic tank capacity by a factor of h.5. Grinder pump(in Unsettled solids can exit the tank • Include pump monitoring in your maintenance home) and enter the soil treatment area. schedule to ensure that it is working properly. • Add an effluent screen. • Large volume of water may • Avoid using other water-use appliances at the same Large bathtub overload your system. time.For example,don't wash clothes and take a (whirlpool) • Heavy use of bath oils and soaps can bath at the same time. impact biological activity in your • Use oils,soaps,and cleaners in the bath or shower tank and soil treatment area. sparingly. Clean Water Uses Impacts on System Management Tips High-efficiency • Drip may result in frozen pipes • Re-route water into a sum p pump or out of furnace during cold weather. the house.Do not route furnace recharge to your septic system. Water softener • Salt in recharge water may affect • These sources produce water that is not sewage and Iron(rater system performance. should not go into your septic system. Reverse osmosis • Recharge water may hydraulically • Reroute water from these sources to another outlet, overload the system. such as a dry well,draintile or old drainfteld. • Water from these sources will likely • When replacing,consider using a demand-based Surface drainage overload the system, recharge vs.a time-based recharge. Footing drains • Check valves to ensure proper operation;have unit serviced per manufacturer directions -5- 13-82 ■ SECTION 13: Forms and Reference UNIVERSITY Septic System Management Plan OF MINNESOTA for Below Grade Systems i� Maintenance Log Track maintenance activities here for easy reference.See list of management tasks on pages 3and 4. Activity Date accomplished Check frequently: Leaks:check for plumbing leaks Soil treatment area check for surfacing Lint filter:check,clean if needed Effluent screen:if owner-maintained Check annually: Water usage rate(monitor frequency ) Caps:inspect,replace if needed Water use appliances—review use Other: Notes: 1��Gf �G 1...1 y %-1. { ( vu n � Ct r G- 4.V w wt• °-"i' b t-51-t �5�l k ' �i Mitigation/corrective action plan: � Y, . , 0 r. 'As the owner of this SSTS, I understand it is my responsibility to properly operate and maintain the sewage treatment system on this property, utilizing the Management Plan. If requirements in this Management Plan are not met, I will promptly notify the permitting authority and take necessary corrective actions. If I have a new system, I agree to adequately protect the reserve area for future use as a soil treatment system.' Prose Owner Si. ature: ._ . 1Date Mana ement Plan Pre s aced B : L% ,( • 1 1�! ` Certification# tm \1G� • 1 Permittin.Authori 1-``� r a G11/ 02010 Regents of the University of Minnesota. All rights reserved The University of Minnesota is an equal opportunity This material is available in alternative formats upon request. Contact the Water Resources Center,612-624-9282. The Onsiteeducator Sewage Treatment Program is delivered by the University of Minnesota Extension Service and the University of Minnesota Resources Centerloyer. _6_