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HomeMy WebLinkAbout07/09/2021 Septic DesignJoseph Olson D.B.A. Rusty Olson's--Soil and Percolation Testing Joseph J. Olson--MPCA License 9 810 11481 Riverview Rd. NE, Hanover, MN 55341 (763) 498-8779 Fax (763) 498-8290 July 9, 2021 Erik Schutz 250 Wakefield Road Orono, Hennepin County This on-site Sewage Treatment System is designed for a Type 1, five -bedroom home in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. The periodically saturated soils were located at 38-48 Inches (mottled soil). Due to the periodically saturated soils, a pressurized dual rock bed at grade system will need to be installed to treat the septic effluent. The bottom of the treatment area must be located at least 3' above the saturated soils. The rock bed will be divided into two 54 -foot -long rock beds. This system is designed as a non- level pressurized mound system using a gate valve to equalize the pressure. All neighboring wells are located greater than 100' away from proposed treatment area. The existing tanks need to be abandoned. A new 1250 and 1000 -gallon septic tank needs to be installed. All new tanks need to be insulated if there is less than two feet of cover over the top of the tanks. Clean outs must be installed on the end of the laterals for maintenance. Keep all heavy equipment off of the proposed treatment areas before during and after construction. The area around both sites must be fenced off by the contractor before any construction begins. This Design is not valid and the System will need to be relocated if failure to protect the areas proposed for On -Site Sewage Treatment occurs. A 1250 -gallon pumping chamber will need to be installed to lift the effluent to the treatment area. The power supply and switches must be located outside the manhole and pumping chamber in a weatherproof enclosure. A warning device must be installed with light and sound devices; this is in case of a pump failure. A flow measurement device must be installed. Including but not limited to a water meter, event counter, running time clocks or electronically controlled dosing. With proper installation and maintenance, this system should have no problem in treating septic effluent effectively. Nothing other than gray water, (laundry, showers, etc.) Human water and toilet tissue should be disposed of into the septic tanks. Garbage disposals are not recommended. Iron filters and water treatment systems cannot 20 into this system. Additives must not be used they may cause harmful damage to your septic system. It is recommended that you pump the septic tanks every two years. Sin cly, Joseph J. Olson 4 ' . mac. • �. �� __ _ _ _ ,,,., _ vJoi>Qt p was r:w wwawrw w lvwl s oft ow *0 upw*m aw ow "4 woft itI' P RPPOS1=P 9� 1 iJV1 APF i APF L; BY-- DATE, T_ O m P9 fL 9.� I� ro CL CU n Prb W R' I� r� M m CL m eb inCA 5D C z C m r D G> O m lh Frt1 Q rn Cn G1 z D rD'i, -j C m v Q i C cr as EU @ aaQ Fu LU r o fC II � [[ffgq t_ 95 O Ln rJ :+ tv x LA ou cu s CD 0 CL v a- jJ � m iv OS 6) �r G av C z C m r D G> O m lh Frt1 Q rn Cn G1 z yD G S �r yD G S 2099 purple code At -grade Design www,SepticResource.com (vers 15,2) Property Owner: Erik Schutz Date: 7/9/2021 Site Address: 250 Wakefield Road PID: 3611823310012 Comments: The rock bed is to be split into two 54 foot beds instructions: = = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! l) bedroom Type Residential System z) 750 GPD design flow 3) Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks 4) 2250 Gallon septic tank (code minimum) 2250 Gallon Septic tank (design size / LUG req'd) Tank options: none 5) 1.00 GPD/ft2 Soil Loading Rate (this must match the soil boring log) 6) =ft absorption area (code minimum) 750 ft absorption area (design size / LUG req'd) 7) gpd/ft Contour Loading Rate (from table: 8 gal/ft maximum, 12 gal/ft "stacked" sytem total) 8) 108 ft rockbed absorption length (minimum) 9) 6.9 ft rockbed absorption width (15' maximum) 10) 2.0 ft perforation spacing (maximum of 3) middle feed manifold connection 11) Olateral F53.0feet long 27.0 perfs / lateral F 54 perfs total (1 /2 a perf means your first perf starts at the middle fed manifold) l?) 7132 inch perfs at =feet residual head gives0.56 gpm flow rate per perforation for this perf size It spacing, & pipe size on line 15, max perfs/lateral = ®, line #11 must be less OK 13) 4.0 doses per day ( 4 minimum) 14) 188 gallons per dose (treatment volume) 2.00 5x ls) 2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement 2.00 3x 16) 107 feet of 2.0 inch supply line leads to 18 gallons of drainback volume (Tip: "top feed" manifold to control the drainback) 17) 206 gallons TOTAL pump out volume (treatment + drainback) 18) 12 feet vertical lift from pump to drainfield laterals, leads to a 19) 31 GPM @ 21 feet of head Pump requirement (note: X50 gpm may require an additional 3-6' of head for discharge assembly) gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 25.00 gpi leads to a t) 8.2 inch swing on Demand float, or Timed dosing of6.6 min ON (confirm pump rate with drawdown (this delivers Average flow, =70% of Peak design flow) 9.0 hrs OFF test and adjust as necessary) 2) 12 inches from bottom of tank to "Pump OFF" float 3) 20 inches from bottom of tank to "Pump ON" float, or12 inches to "Timer ON" float if time dosed 4) 23 inches from bottom of tank to "Hi Level" float, or 33 1 inches to "Hi Level" float if time dosed s} 675 gallons reserve capacity (after High Level Alarm is activated) 6) 10 percent site slope (0-25% range) >36" Ito redox or other limiting condition. This must match the soil log. CRITICAL FOR FUTURE CERTIFICATIONS! 7) 1 6.9 Ift.Total ABSORPTION width (rock beyond pipe) 8) 0.0 ft. upslope and sideslope 6.9 ft. Downslope 9) 1.75 ft system height (approximately 9" rock + 1'cover) BERM widths (topsoil beyond pipe) using 4:1 slope ratio 0) 5 ft. upslope berm r) 7 ft. sideslope berm 2) 12 ft. downslope berm Overall Dimensions: 8.4 ft. wide by 108 ft. long Rock footprint 17 ft. wide by 1 122 ft. long Berm footprint 4" inspection pipe upslope Berm I I F(- y Downslope Berm 12 Bed (rack) I 12 Cover (6" 1,rmy Cap & 6" topsoiF) wLLiimiting Condition-------------------------------- Absorption width (''9 Nate: For 0 to 10/o slopes, Absorption Width is centered under the pipe. For slopes > 1%. Absorption Width is measured downhill from the pipe. Cover must extend at least 5' beyond absorptionlrock area. a) Rock Bed: 8.4 ft. by 10$.0 ft. 5) Loamy Cap: 13 ft. by 118 ft. 6) Topsoil: 17 ft. by 122 ft. � esigner Signature 9" deep at peak, plus 20% gives 6" deep, plus 20% gives 6" deep, plus 20% gives 16 yds or *1.4= 22 ton 35 yds or *1.4= 49 ton 47 yds or *1.4= b6 ton nces, rules Rusty Olson's Soil ii Perc 810 7/9/2021 Company License# Date Installer Summary 2250 gallon Septic tank (minimum) Tank options: none JU/p LQI1`y'CI LQIIM VVtU1 IIIULLIVM LCUMb 1250 gallon Dose tank (minimum) at 25.00 gpi 31 JGPM @ 21 ft. of head, Pump required 8.2 inch swing on Demand float which translates to roughly 5.1 inches of float tether length If time dosing is required --> 6.6 minutes ON time €t ®hours OFF time 20 inches from bottom of tank to "pump ON" float, or 1 12 inches to "timer ON" float 23 inches from bottom of tank to "Hi Level Alarm" float 107 ft. of 2.0 inch supply line with middle feed ImanifoLd connection (Tip: "top feed" manifold to control drainback) Lateral 2.00 inch diameter 53.0 ft. long 7132 inch perfs 2.0 ft. perforation spacing No Effluent filter It alarm 2 clean out Et valve box assembly 6.9 ft. Total sand ABSORPTION width (rock beyond pipe) (minimum) 0.0 ft. upslope and sideslope 6.9 Ift. Downslope BERM widths (topsoil beyond pipe) using 4:1 slope ratio 5 ft. upslope berm 7 ft. sideslope berm 12 ft. downslope berm Overall Dimensions:. 8.4 ft. wide by 108 ft. long Rock footprint 17 ft. wide by 1 122 1 ft. long Berm footprint 4" inspection pipe Upslope Berm Downslope Berm 12 spersal Bed (rock) 12" Cover (6" Foamy cap & 6- topsoil) >36]� — Lirralting Conditiotl — — — — — — — — — — ` — Absorption width 6.9 Note: For 0 to t% slopes, Absorption Width is centered under the pipe. For slopes > 1%, Absorption Width is measured downhill from the pipe. Cover must extend at least 5' beyond absorption/rock area. Rock Bed:16 yd3 or `1.4= 22 ton Loamy Cap: 35 yd3 or `1.4= 49 ton Topsoil: 47 yd3 or *1.4= 66 Iton INSPECTOR CHECK LIST - at grade 250 Wakefield Road IN 8 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 Et bounds: out or road easement, or outer ditch. LADE I BLUFF setback: 20' for bluff. Lakes: GD _, RD _, NE Protected wetland _. Building setbacks: 10' for everything, 20' for dispersal area. WATERLINE under pressure se 10' to bed, tank Et sewer line. (else sewer line ?12" below) Sewer line Et baffle connection (no 90's, T between 45's, slope min 1" in 8', max 2" in 8') (no depth reqs, clean out every 100', Sch 40 pipe) Septic tank and risers (water tight, insulated, proper depth, existing verified by pumping) mfg 2250 gallons none Riser over outlet, riser over inlet or center, and 6"+ inspection pipe over any remaining baffles. No effluent filter Et alarm Dose tank risers and piping (water tight, insulated, proper depth, drainback) Mfg 12501 gallons dose pump 31 gpm 21 head VERIFY PUMP CURVE 6.6 min ON 9 hr OFF float setting drop 8.2 inches with 25.0 gpi "DESIGNED" 5.1 inches approx float tether ler 206 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 line access (no hard 90's) 2.0 inch supply pipe: Sch40, sloped 1/8"+, supported by 4" sch40 sleeve or compacted, and buried 6"+. splice box / control panel / electrical connections flow measurement: CT, ETM, time dosing, home water meter rock dimensions 6.9 X 108.0 (down from pipe) Bermed topsoil beyond pipe cover depth of 12-18"+ 2 lateral(s) 2.00 inch pipe size 7132 inch perforations 2.0 ft perforation spacing 5 upslope 12 downslope VERIFY (Sch 40 pipe and fittings) Air inlet at end of laterals, and at top feed manifold if necessary. VERIFY clean outs (no hard 90's) 4" inspection pipe to bottom of rock, anchored (near lateral pipe) VERIFY Abandon existing system - if necessary monitoring plan and type well abandonment form - if necessary �Re-use existing tank certification Y'e1 0 C7 rr yt tts �i cx I iJr'1 I LU to m c a 0 &L c rr yt tts �i cx I iJr'1 I 1 &L c rr &L c 2011 purple code At -grade Design Property Owner: Erik Schutz Site Address; 250 Wakefield Road www.SepticResource.com (vers 15.2) Date: 7/9/2021 PID: 3611823310012 Comments: Two rock beds split in half structions: = = enter data = = adjust if desired = computer calculated - DO NOT CHANGE! bedroom Type Residential System 375 GPD design flow 1 Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks > 2250 Gallon septic tank (code minimum) Gallon Septic tank (design size / LUG req'd) Tank options: none 7.00 GPD/ft2 Soil Loading Rate (this must match the soil boring log) 375 ft absorption area (code minimum) 375 ft absorption area (design size / LUG req'd) 7) gpd/ft Contour Loading Rate (from table: 8 gal/ft maximum, 12 gal/ft "stacked" sytem total) a) 54 ft rockbed absorption length (minimum) �) 6.9 ft rockbed absorption width (15' maximum) 10) 2.0 ft perforation spacing (maximum of 3) end feed imanifold connection 11) lateral 52.0 feet long 27.0 perfs i lateral 27 perfs total (1 /2 a pert means your first perf starts at the middle fed manifold) 12) 7/32 inch perfs at feet residual head gives 0.56 gpm flow rate per perforation for this perf size Ft spacing, Ft pipe size on line 15, max perfs/lateral = =, line #11 must be less > OK 13) 4.0 doses per day (4 minimum) 14) 94 gallons per dose (treatment volume) 2.00 5x 15) 2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement 2.00 3x 16) 107 feet of 2.0 inch supply line leads to 18 gallons of drainback volume (Tip: "top feed" manifold to control the drainback) 17) 112 gallons TOTAL pump out volume (treatment + drainback) 18) 12 feet vertical lift from pump to drainfield laterals, leads to a 19) 31 GPM C 21 feet of head Pump requirement (note: >50 gpm may require an additional 3-6' of head for discharge assembly) 375 gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 25.49 gpi leads to a Property Owner / project: Property Address / PID: Soil Observation Log www. SepticResource.com vers 12.4 Owner Information Erik Schutz 250 Wakefield Road Date 7/9/2021 Soil Survey Information ❑ refer to attached soil survey Parent matl's: ❑ Till ❑ Outvwash ❑ Lacustrine ❑ Alluvium ❑ Organic ❑ Bedrock landscape position: ❑ Summit ❑ Shoulder [Z Side slope ❑ Toe slope soil survey map units: L70C;2 slope 10 % direction- Convex Soil Log #1 2 Boring ❑ pit Elevation 95.9 Depth to SHWT 48 inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-6 Topsoil <35 1Oyr2/1 Friable Strong Granular Block, 6-24 Sandy Loam <35 10yr3/3 Friable Strong Granular Blocky 24-40 Sandy Loam <35 10yr5/4 Friable Strong Granular Blocky 40-48 Loamy Sand <35 1Oyr5/4 Shale Loose Loose Granular 48-56 Loamy Sand <;5 2.5y5/2 IOy4/8,1-6/10y Loose Loose Granular Comments: 250 Wakefield Road Soil Log #2 0 Boring ❑ Pit Elevation 95.9 Depth to SHWT >38 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-6 Topsoil <35 10yr2/1 Friable Strong Granular Blocky 6-18 Sandy Loans < 3 10yr3/3 Friable Strong Granular Blocky 18-38 Sandy Loam <35 10yr5/4 Shale Friable Strong Granular Blocky <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate Prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak ;granular blocky >50 firm moderate prismatic platy rigid strong massive 250 Wakefield Road Soil Log #3 RI Boring ❑ Pit Elevation 94.3 Depth to SHWT >38 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-6 Topsoil <35 10yr2/1 Friable Strong Granular Blocky 6-28 Sandy Loam <35 10yr3/3 Friable Strong Granular Blocky 28-38 Sandy Loam <35 l0yr5;'4 Shale Friable Strong Granular Blocky <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate Prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid I strong massive I hereby certify this work was completed in accordance with MN 7080 and any local reqs. Rusty Olson"s Soil & Perc 810 resigner Signature Company License # 250 Wakefield Road Soil Log #4 ® Boring ❑ Pit Elevation 94.3 Depth to SHWT >38 Inches Depth (in) Texture fragment % matrix Color redox color consistence grade shape 0-6 Topsoil <35 10yr2/1 Friable Strong Granular Blocky 6-30 Sandy Loam <35 l Oyr3/3 Friable Strong Granular Blocky 30-38 Sandy Loam <35 10yr5/4 Shale Friable Strong Granular Blocky <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strap massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy ri id strop massive 250 Wakefield Road Soil Log 45 ❑ Boring ❑ Pit Elevation Depth to SHWT Depth (in) Texture fragment % matrix color redox color consistence grade shape <35 loose loose single grain 35-50 friable weak granular blocky 750 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky fpm moderate prismatic platy >50 rigid strop massive X35 loose loose single grain 35-50 friable weak granular blocky 750 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive I hereby certify this work was completed in accordance with MN 7080 and any local reqs. esigner Signature Company License 4 UNIVERSITY OF MINNESOTA = Septic System Management Plan for Above 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 Email Property Address 250 Wakefield Road Property ID 3611823310012 System Designer Joseph J. Olson Contact Info 763-495-8779 System Installer Contact Info Service Provider/Maintainer Contact Info Permitting Authority Contact Info Permit # 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 -built 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, visit www,bookstores.umn.edu and search for the word "septic" or call 800-322-8642. For more information see http://septic.umn.edu Version: August 2015. -1- UNIVERSITY Septic System Management Plan for Above Grade systems OF iNNESOTA Your Septic System Manhole W !C1M* F Maud-- „_-• Lateral deanaut_ --' Crass-sectlon of mound Irspectlon pipe- _ _ ,tb�. Topaol .Send Inspection pipe _ f --Pkdarafed "S'Jibution "a np f. - Septic System Specifics System Type: qi I ()II ()1I1 ()IV* © V* ❑ System is subject to operating permit* (Based on MN Rules Chapter 7080.2200 — 2400) ❑ System uses UV disinfection unit* *Additional Management Plan required Type of advanced treatment unit ❑ Tank is constructed of Dwelling Type Well Construction Number of bedrooms: 5 Well depth (ft): 133 System capacity/ design flow (gpd): 750 ❑ Cased well Casing depth: 128 Anticipated average daily flow (gpd): 500 ❑ Other (specify): Comments Distance from septic (ft): 110 Is the well on the design drawing? eY 0 N Business? : Y e N What type? Septic Tank ❑ First tank Tank volume: 1250 gallons ❑ Pump Tank 1250 gallons Does tank have two compartments? OY (F) N d Effluent Pump mate/model: Second tank Tank volume: 1000 gallons Pump capacity GPM ❑ Tank is constructed of TDH Feet of head ❑ Effluent screen; Y (F) N Alarm OY (F) N ❑ Alarm location Soil Treatment Area (STA) Mound/At-Grade area (width x length): 33 ft x 72 ft ❑ Inspection ❑ Rock bed size (width x length): 2@7 ft x 54 ft portsCleanouts Location of additional STA: MIA Surface water diversions Type of distribution media: Rock Additional STA not available ❑ IPM UNIVERSITY Septic System Management Plan for Above Grade Systems OF MINNESOTA Homeowner Management Tasks These operation and maintenance activities are your responsibility. Chart on page 6 can help track your activities. Your toilet is not a garbage can. Do not flush anything besides human waste and toilet paper. No wet wipes, cigarette butts, disposal diapers, used medicine, feminine products or other trash! The system and septic tanks needs to be checked every 24 months Your service provider or pumper/maintainer should evaluate if your tank needs to be pumped more or less often. Seasonally or several times per year • Leaks. Check (listen, look) for leaks in toilets and dripping faucets. Repair leaks promptly. • Soil treatment area. 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. Keep bikes, snowmobiles and other traffic off and control borrowing animals. • Alarms. Alarms signal when there is a problem; contact your service professional any time the alarm signals. • Lint falter. If you have a lint filter, check for lint buildup and clean when necessary. If you do not have one, 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 along with an alarm. Annually • Water usage rate. A water meter or another device 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, program the recharge frequency based on water demand (gallons) rather than time (days). Recharging too frequently may negatively impact your septic system. Consider updating to demand operation if your system currently uses time, • Review your water usage rate. Review the Water Use Appliance chart on Page 5. Discuss any major changes with your service provider or pumper/maintainer. During each visit by a service provider or pumper/maintainer Make sure that your service professional services the tank through the manhole. (NOT though a 4" or b" diameter inspection port.) Ask how full your tank was with sludge and scum to determine if your service interval is appropriate. • Ask your pumper/maintainer to accomplish the tasks listed on the Professional Tasks on Page 4. -3- UNIVERSITY septic System Management Plan for Above Grade Systems OF MINNESOTA Professional Management Tasks These are the operation and maintenance activities that a pumper/maintainer performs to help ensure long- term performance of your system. At each visit a written report/record must be provided to homeowner. 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 level 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 soil treatment area.) • Inspection pipes. Replace damaged or missing pipes and 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 draining properly. • Event counter or elapsed time meter. Check to see if there is an event counter or elapsed time meter for the pump. If there is one or both, calculate the water usage rate and compare to the anticipated use listed on Design and Page 2. Dose Volume: gallons: Pump run time: Minutes Soil Treatment Area • Inspection pipes. Check to make sure they are properly capped. Replace caps and pipes that are damaged. • Surfacing of effluent. Check for surfacing effluent or other signs of problems. • Lateral flushing. Check lateral distribution; if cleanouts exist, flush and clean at recommended frequency. • Vegetation - Check to see that a good growth of vegetation is covering the system. All other components — evaluate as listed here: UNIVERSITY OF MINNESOTA Septic System Management Plan for Above Grade Systems Water -Use Appliances and Equipment in the Dome Appliance Impacts on System Management Tips • Uses additional water. • Use of a garbage disposal is not recommended. • Adds solids to the tank. • Minimize garbage disposal use. Compost instead. Garbage disposal . Finely -ground solids may not settle. . To prevent solids from exiting the tank, have your Unsettled solids can exit the tank tank pumped more 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 Limit use of bleach -based detergents and fabric the tank. Unsettled solids can exit softeners. the tank and enter the soil treatment . Install a lint filter after the washer and an effluent area. screen to your tank • Wash only full loads and think even — spread your laundry loads throughout the week. • 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". Scrape your dishes anyways to keep undigested They have a garbage disposal inside. solids out of your septic system. . Finely -ground solids may not settle. . Expand septic tank capacity by a factor of 1.5. 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 directly out of the house. Do not furnace during cold weather, route furnace discharge to your septic system. Water softener • Salt in recharge water may affect . These sources produce water that is not sewage and Iron filter 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 drainfield. • When replacing, consider using a demand -based • Water from these sources will Surface drainage overload the system and is recharge vs. a time -based recharge. Footing drains prohibited from entering septic • Check valves to ensure proper operation; have unit system• serviced per manufacturer directions -5- UNIVERSITY Septic System Management Plan OF MINNESOTA forAbove Grade Systems Homeowner Maintenance Log Track maintenance activities here for easy reference. See list of management tasks on pages 3 and 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)*** Alarm** Check annually: Water usage rate (maximum gpd ) Caps: inspect, replace if needed Water use appliances — review use Other: *Monthly **Quarterly ***Bi -Annually Notes: "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 Flan. If requirements in this Management Plan are not met, Iwi11 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." Property Owner Signature: Date Management Plan Prepared By: Joseph J. Olson Certification # C1255 Permitting Authority: 02015 Regents of the University of Minnesota. All rights reserved. The University of Minnesota is an equal opportunity educator and employer. This material is available in alternative formats upon request. Contact the Water Resources Center, 612-624-9282, The Onsite Sewage Treatment Program is delivered by the University of Minnesota Extension Service and the University of Minnesota Water Resources Center. M