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HomeMy WebLinkAbout09-26-2018 Septic Design4—Bedroom City of Orono Septic Plan Review 2-10 X 25 Rock Beds Reviewer �� 1-1300 Pump tank All work shall be done in full compliance with all applicable septic and zoning code. 1-2250 Septic Tank Joseph Olson D.B.A. Rusty Olson's--Soil and Percolation Testing 29 GPM pump Joseph J. Olson--MPCA License # 810 24 #TDR 11481 Riverview Rd. NE, Hanover, MN 55341 (763) 498-8779 Fax (763) 498-8290 May 16, 2018 Dave Mariani 1180 Homestead Trail Orono, Hennepin County This on-site Sewage Treatment System is designed for a Type 1, four-bedroom home in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. The periodically saturated soils were located at 10-22 inches (mottled soil). Due to the periodically saturated soils, a pressurized mound 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 future system is a type 111 because fill soils and less than 12 inches of original soils.. The fill soils will need to be removed if the system is ever used. Both septic sites are partially in the Great River Energy power line easement. A variance to encroach into that easement from Great River Energy has been applied for. See attached application. Due to limited space. The mound rock bed must be split into two 25 -foot rock beds. The absorption area of the proposed systems does not overlap. This system is designed as a non- level pressurized mound system using gate valves to equalize the pressure. Use 7/32 -inch perforations on the laterals. The soils at a depth of 12" have a percolation rate averaging 10.6 MPI. All neighboring wells are located greater than 100' away from proposed treatment area. A new 2250 -gallon septic tanks are to be installed. All 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. A 1300 -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. Keep all heavy equipment off of the proposed treatment areas before, during and after construction Nothing other than gray water. (laundry, showers, etc.) Human water and toilet tissue should be disposed of into the sentic tanks. Garbage disposals are not recommended Additives must not be used, they may cause harmful damage to your septic system. 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I)F 47 bedroom Type Residential System ,) 600 GPD design flow 31 Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks di 2250 Gal Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) Tank options: none 1.2 GPD/ft2 mound sand loading rate contour loading rate of F 127 req's a min =ft. long rockbed r 107 ft rockbed width 50.0 ft rockbed length 71 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) Lend feed manifold connection Laterals 48.0 feet long 17.0 perfs / lateral 51 perfs total (1 /2 a perf means the first perf starts at the middle feed manifold) 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 12, max perfs/lateral = 30 line #8 must be less - OK in, =doses per day ( 4 minimum) 1 =gallons per dose (treatment volume) 2.00 5x ❑, 2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement 2.00 3x 13) 133 feet of 2.0 inch supply line leads to F 23 gallons of drainback volume (Tip: "top feed" manifold to control the drainback) 141 173 gallons TOTAL pump out volume (treatment + drainback) P29 ]GPM feet vertical lift from pump to mound laterals, leads to a: h) 24 feet of head, Pump requirement (note: -50gpm may require an extra 3-6' of head) n) 500 gal Dose tank (code minimum) 1300 gal Dose tank (design size / LUG req'd) at 25.49 gpi Leads to a 18) 6.8 inch swing on Demand float, or timed dosing of6 min ON (confirm pump rate with drawdown (this delivers Average flow, =70% of Peak design flow)19hrs OFF test and adjust as necessary) 19)12]inches inches from bottom of tank to "Pump OFF" float '0 19inches from bottom of tank to "Pump ON" float, orP32 inches to "Timer ON" f(oat if time dosed 'l) 22 from bottom of tank to "Hi Level" float, or inches to "Hi Level" float if time dosed 22) =gallons reserve capacity (after High Level Alarm is activated) 2011 purple code Mound Design www.SepticResource,com (vers 15.2) Property Owner: Site Address: Dave Mariani 1180 Homestead Trait Date: 5/15/2018 PID: 2811823320017 Comments: Duel rock bed using un level distribution (Primary site) upper rock bed instructions: = = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! i =bedroom Type �l Residential System 300 GPD design flow =Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks a 1500 Gal Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) Tank options: none 1.2 GPD/ft2 mound sand loading rate contour loading rate of 12 req's a min 25 ft. long rockbed a, 10.0 ft rockbed width 25.0 ft rockbed length 7, 3.0 ft tateral spacing 3.0 ft perforation spacing (maximum of 3 for both) end feed manifold connection s, laterals 23.0 feet long 8.0 perfs / lateral 24 1perfs total (1 /2 a perf means the first perf starts at the middle feed manifold) 9) 7/32 inch perfs at =feet residual head gives 0 56 gpm flow rate per perforation for this perf size Et spacing, Ft pipe size on line 12, max perfs/lateral = 30 tine #8 must be less > OK lot F 4.0 doses per day ( 4 minimum) 11 ) 75 gallons per dose (treatment volume) 2.00 5x 12 2.00 inch diameter laterals must be used to meet 'Ax pipe volume" requirement 2.00 3x 13) feet of 2.0 inch supply line leads to ##### gallons of drainback volume (Tip: "top feed" manifold to control the drainback) too ###### gallons TOTAL pump out volume (treatment + drainback) ,a feet vertical lift from pump to mound laterals, leads to a: u,r 14 GPM @ ##### feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) 17) 500 I gal Dose tank (code minimum) 500 gal Dose tank (design size / LUG req'd) at gpi leads to a 18) ###### inch swing on Demand float, or timed dosing of ##### min ON (confirm pump rate with drawdown (this delivers Average flow, =70% of Peak design flow) ##### hrs OFF test and adjust as necessary) 19) Winches inches from bottom of tank to "Pump OFF" float ,0) inches from bottom of tank to "Pump ON" float, or 12 inches to "Timer ON" float if time dosed 21) from bottom of tank to "Hi Level" float, or ##### inches to "Hi Level" float if time dosed 22) ###### gallons reserve capacity (after High Level Alarm is activated) H F0.45gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 72.7 1 (minimum) (this must match the soil boring log) desired mound rat!o 2.7 10 percent site slope (0-20% range) 10 (% downstope site slope, if different than upslope) 14 inches, or 1.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains FO inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSI!! 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows.) 0.0 ft. upslope and sideslope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 93:1 4:1 upslope ratioMft. upslope berm 3:1 sideslope ft. sideslope berms downslope ft. downslope berm Overall Dimensions: 10.0 ft. wide by [EY] ft. long Rock bed 38 ft. wide by ft. long Mound footprint U t)slope herrn 1 11 IJ Limiting Condition 4" inspection pipe x-'18" cover on top DownsloDe berm 1 17 12" cover on sides (6" loamy cap & 6" topsoil) Clean sand lift Depth to Limiting Absorption Width 27.0 ------ Note: - For 0 to 1% slopes, AbsorptloI2 Width is measured from the Bedequally in loth directions. For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed Rock Bed: 10.0 Ift. by 25.0 ft, by ®inches under pipe, plus 20% gives ®yds or `1.4= =ton Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 20.0 up + F57.21downstope + 16.3 ends + 21.6 under rock = 138 yds or °1.4= 193 Iton plus 20% Loamy Cap: =ft. by =ft. 6" deep, plus 20% gives Topsoil: 38 I ft. by 55 ft. 6" deep, plus 20% gives I hereby certify that I have cc Designer Signature =yd' or "1.4- =ton 47 yd' or`1.4- 66 ton in accordance with all applicable ordinances, rules and laws. Rusty Olson"s Soil Et Perc Company 810 License# 5/15/2018 uare 2011 purple code Mound Design www.SepticResource.com (vers 15.2) Property Owner: Dave Mariani Site Address: 1180 Homestead Trail Date: 5/15/2018 PID: 2811823320017 Comments: Duel rock bed using un level distribution (Primary site) lower rock bed instructions: = = enter data = adjust if desired = = computer calculated - DO NOT CHANGE! i) =2 bedroom Type �I Residential System 2) F300 JGPD design flow 3) Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks 4) 1500 Gal Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) Tank options: none 5) 1.2 GPD/ftz mound sand loading rate contour loading rate of =req's a min 25 ft. long rockbed 6) 10.0 ft rockbed width 25.0 ft rockbed length 71 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) end feed manifold connection 8) 0laterals 23.0 feet long 8.0 perfs / lateral 24 perfs total (1 /2 a perf means the first perf starts at the middle feed manifold) 9) 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 tine 12, max perfs/lateral = 30 line #8 must be less OK 10) 4.0 doses per day (4 minimum) 1 n 75 gallons per dose (treatment volume) 2.00 5x 12) F2.001inch diameter laterals must be used to meet "4x pipe volume" requirement 2.00 3x 13, 133 feet of 2.0 inch supply line leads to 23 gallons of drainback volume (Tip: "top feed" manifo(d to control the drainback) 14) 98 gallons TOTAL pump out volume (treatment + drainback) t5) 15 feet vertical lift pump to mound laterals, leads to a: 16) 29 GPM C =feet of head, Pump requirement (note: '50gpm may require an extra 3-6' of head) 17) 500 gal Dose tank (code minimum) 1300 gal Dose tank (design size / LUG req'd) at 25.49 gpi leads to a 18} 6.8 inch swing on Demand float, or timed dosing of 6 min ON (confirm pump rate with drawdown (this delivers Average flow, =70% of Peak design fLow) 1 9Jhrs OFF test and adjust as necessary) Ig)12 inches from bottom of tank to "Pump OFF" float 20) 19 inches from bottom of tank to "Pump ON" float, orP32 inches to "Timer ON" float if time dosed 2)) 22 inches from bottom of tank to "Hi Level" float, or inches to "Hi Level" float if time dosed 22) 739 gallons reserve capacity (after High Level Alarm is activated) 0.45 gpd/ftz Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) (this must match the soil boring log) desired mound ratio 2.7 10 percent site slope (0-20% range) 16 (% downslope site slope, if different than upslope) 22 inches, or 1.8 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains inches of 0% soil credit, and inches of 50% soil credit. Giving a: =inch, or 1.2 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 27) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 28)0.0ft. upslope and sideslope Fi70]ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 19) [Edownstope upslope ratioM ft. upslope berm 30) sideslope ft. sideslope berms 31) ft. downslope berm Overall Dimensions: 10.0 ft. wide by 25.0 ft. long Rock bed B38 ft. wide by 51 ft. long Mound footprint 4" inspection pipe 18" cover on top berm 'I 1� L Downslope berm 28 12" cover on sides (6" loamy cap & 6" topsoil) 1 Clean sand lift _ 1,g Depth to Limiting Limiting Conditi�j,; - " -_-__-_--. __ ___ 27.0 -_`_ -- -_-__- Absorption Width Note: For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. For slopes >1%, Absorption Widtfris measured downhill from the upslope edge of the Bed. Rock Bed: 10.0 ft. by E5Tft. by ©inches under pipe, plus 20% gives =yd' or `1.4= 13 ton Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 10.7 up + 53.3 downslope +__111.1 ends + 15.4 under rock = 109yd' or "1.4= 152 ton plus 20% Loamy Cap: 34 ft. by =ft. 6" deep, plus 20% gives Topsoil: 38 ft. by =ft. 6" deep, plus 20% gives that I have completed this work in accordance Signature Rusty Olson"s Soil Et Perc Company 36 yd' or 1.4= 5C ton 44 yd' or 1.4= 62 ton all applicable ordinances, rules and laws_ 810 5/15/2018 License# Date Installer Summary 2250 gallon Septic tank (minimum) Tank options: none dvx urger LdnK wnn rnuuipse comp/ CanKS 1300 gallon Dose tank (minimum) at 25.49 gpi 29 GPM C 24 ft. of head, Pump required K 6.8 linch swing on Demand float which translates to roughly 4.4 inches of float tether length if time dosing is required —F 6 minutes ON time Ft ®hours OFF time 19 inches from bottom of tank to "pump ON" float, or F12 I inches to "timer ON" float 22 inches from bottom of tank to "Hi Level Alarm" or 32 inches to "Hi level alarm" if time dosed =ft. of F 2.01 inch supply line with end feed manifold connection (Tip: "top feed" manifold to control drainback) 14 inch, or 1.2 ft. Sand Lift Mound 10.0 ft, wide by 25.0 ft. long Rock bed 3 laterals 2.00 inch diameter 23.0 ft. long 3.0 ft. lateral spacing 7/32 inch perfs 3.0 ft. perforation spacing Effluent filter ft alarm NoEJm 3 clean out ft valve box assemblies 27.0 ft.Total sand ABSORPTION width (minimum) 0.0 ft. upslope and sideslope (sand beyond rockbed, minimum) 17.0 ft. Downslope (sand beyond rockbed, minimum) Specific slope ratios give BERM widths (topsoil beyond rockbed) of: 4:1 upslope ratioF--0 ft. upslope berm ffi sideslope 13 ft. sideslope berms downslope 1 2$ Ift. downslope berm 4" inspection pipe 18" cpver r on top berm � _ l � _ 1.2 11 Clean sand lift Downslooe berm 28 12" cover on sides (6" loamy cap &6" topsoil) Depth to Limiting TLimiting Condition _ _—_—__---_ Absorption Width z7.o ----_— _— Note: For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. For slopes >1%, Ahs-orption Width is measured downhill from the upslope edge of the Bets! Rock Bed: 18.0 yd or *1.4= 26 ton 6 inches under pipe Mound Sand: 307 yd3 or *1.4= 430 ton calculation based on 3:1 /4:1 slope from top of rockbe Loamy Cap: 15 yd or *1.4= 21 ton 6" deep Topsoil: 117 yd or *1.4= 164 ton 6" deep INSPECTOR CHECKLIST - mound 1188 Homestead I rail 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 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 st 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 Ft alarm Dose tank risers and piping (water tight, insulated, proper depth, drainback) mfg 1300 gallons El dose pump 29 gpm 24 head VERIFY PUMP CURVE 6 min ON 9 hr OFF float setting drop 6.8 inches at25.5 gpi "DESIGNED" 4.4 inches approx float tether length 98.0 gal dose divided by gpi "INSTALLED" = inches float drop (field corrected LABEL pump requirements and drawdown on riser or panel Cam Pock 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 dosed, home water meter mound absorption area rough up mound rock dimensions 10.0 X 25.0 Sand lift depth 14 inches. (Jar test : 2" sand leaves < 1/8" silt after 30 min) Absorption Sand beyond rock 0.0 upslope Bermed topsoil beyond rockbed 0 upslope cover depth of 12-18"+ VERIFY 3 laterals (1-2' from edge of rock) 2.00 inch pipe size (Sch40 pipe Et fittings) 3.0 ft lateral spacing 7/32 inch perforations 3.0 ft perforation spacing 17.0 downslope 13 sideslope 28 downslope 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 VERIFY Abandon existing system - if necessary =Re -use existing tank certification monitoring plan and type well abandonment form - if necessary im 0 a n> a r � f0 ,i Cn ;N i RO L7 Qj 0 c � Q] /_�� u �! � CLO m w _ C v €i Q c E m � � c Ln im 0 Q a o a W X N N a n> a r � ti i C B c u ar � ea _ €i Q C fi3 w m � � Q a o a W X N N a Q r � ti i C B c u ar � ea _ �t Q C fi3 m � � Q a o a W X N N w Q a � i C B u Q Q a o a W X N N Property Owner / project: Property Address / PID: Soil Observation Log ,cww.SeptieResource.cotn vers 12.4 Owner Information Dave Marian 1180 Homestead Trail Date 5/14/2018 Soil Survey Information ❑ refer to attached soil survey Parent matl's: ❑� Till ❑ Outwash ❑ Lacustrine ❑ Alluvium ❑ Organic ❑ Bedrock landscape position: ❑ summit ❑ Shoulder ❑� Side slope ❑ Toe slope soil survey map units: L36A slope 6-10 % direction- Linear Soil Log #1 ❑� Boring ❑ Pit Elevation 9909 Depth to SHWT 14 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-6 Topsoil <35 10yr3/2 Friable Moderate Blocky 6-14 Clay Loam <35 1Oyr4/3 Firm Strong Blocky 14-20 Clay Loam <35 1Oyr5/4 10y4/8,1-6/I0y Firm Strong Blocky 20-24 Loam <35 1Oyr6/4 IOy4/8,1-6/1Oy Friable Strong Blocky <35 loose loose single grain 35 -50 friable weak granular blocky fine moderate prismatic platy >50 rigid strong massive Comments: 1180 Homestead Trail Soil Log #2 ❑✓ Boring ❑ Pit Elevation 988.3 Depth to SHWT 22 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-14 Topsoil <35 10yr3/2 Friable Moderate Blocky 14-18 Clay Loam <35 10yr4�3 Friable Strong Blocky 18-22 Clay Loam <35 10yr5/4 Friable Strong Blocky 22-30 Clay Loam <35 10yr5/3 10\4'8J-6 10\ Firm Strong Prismatic <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive 1180 Homestead Trail Soil Log 43 Q Boring ❑ Pit Elevation 983.5 Depth to SHWT 18 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-6 Topsoil <35 10yr3/1 Friable Moderate Blocky 6-18 Sandy Loam <35 2.5y4/3 Friable Strong Blocky 18-26 Clay Loam <35 2.5y5/3 10y4/8,1-6/10y Finn Strong Block <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 cef trf}z{his work was completed in accordance with MN 7080 and any local reqs. Rusty Olson's Soil & Perc 810 esigner Signature - Company License 9 1180 Homestead Trail Soil Log #4 Boring ❑ Pit Elevation 985.4 Depth to SH WT 30 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape loose loose single grain 0-20 Fill <35 friable weak ranular block y 1= - firm moderate prismatic platy rigid strong massive 20-30 Topsoil <35 10yr3/1 Friable Moderate Blocky 30-40 Sandy clay Loam <35 2.5y4/3 10y4/8,1 -6/10y Friable Strong Blocky 40-48 Clay Loam <35 2.5y5/3 10y4/8,1 -6/10y Finn Strong Prismatic <35 loose loose single grain 35 -50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive 1180 Homestead Trail Soil Log 45 El Boring ❑ Pit Elevation 988.3 Depth to SHWT 22 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-14 Topsoil <35 1Oyr3/2 Friable Moderate Blocky 14-18 Clay Loam I Oyr4/3 Friable Strong Block> I8-?� Clay Loam <35 1Oyr5/4 Friable Strong Blocky 22-30 Clay Loam <35 IOyr5/3 10y4/8,1 -6/10y Firm Strong Prismatic <35 loose loose single grain 35-50 friable weak g ranular blocky >50 firm moderate prismatic platy rigid strong massive Z hereby certil 'I is work was completed in accordance with MN 7080 and any local reqs. A Rusty Olson's Soil & Pere 810 !/jrfesigner Signature Company License # Property Owner / project: Property Address / PID: Soil Observation Log %vvcN%.Sept icResource.com vers 12.4 Owner Information Dave Mariani 1190 Homestead Trail Date 5/14/2018 Soil Survey Information ❑ refer to attached soil survey Parent matl's: EETill ❑ Outwash ❑ Lacustrine ❑ Alluvium ❑ Organic ❑ Bedrock landscape position: ❑ summit ❑ Shoulder Side slope ❑ Toe slope soil survey map units: L36A slope 6-10 % direction- Linear Soil Log 46 0 Boring ❑ Pit Flevation 984.0 Depth to SHWT 18 inches Depth (in) Texture fragment % matrix color redox color consistence grade shape loose loose single grain 0-8 Fill <35 friable weak granular blocky firm moderate prismatic platy rigid strong massive 8-18 Topsoil <35 1 Oyr3/1 Friable Moderate Blocky 18-22 Sandy Loam <35 2.5y4/3 lOy4/8,1-6/10y Friable Strong Blocky 22-30 Clay Loam 35 150/3 lOy4/8,1-6/10y Finn Strong 131ocky <35 loose loose single grain 35-50 friable weak granular blocky >50 fine moderate prismatic platy rigid strong massive Conunents: 1180 Homestead Trail Soil Log 47 Q Boring ❑ pit Elevation 990.9 Depth to SHWT 26 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-10 Topsoil <35 10yr3/2 Loose Moderate Single grain 10-18 Clay Loam <35 1Oyr4/3 Friable Strong Blocky 18-26 Clay Loam <35 1 Oyr54 Friable Strong Blocky 26-32 Clay Loam <35 1Oyr5/3 10y4/8,1 -6/10y Finn Strong prismatic < 35 loose loose single grain 35-50 friable weak granular blocky >50 fine moderate prismatic plate rigid strong massive 1180 Homestead Trail 0 Boring ❑ Pit Elevation Depth to SHWT Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape <35 loose loose single grain 35-50 friable weak granular blocky >50 fin -n moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 finn 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 <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive 1 hereby certify this work was completed in accordance with esigner Signature MN 7080 and any local reqs. Rusty Olson's Soil & Perc 810 Company License # Percolation Test Data Sheet Lic.#810 Percolating test readings made by: Rusty Olson's Perc. starting at 9:15 A.M. On 5115/18 Location: 1180 Homestead Trail Hole number: 1 Date hole was prepared: 5114118 Depth of hole bottom _12 inches, Diameter of hole _6"_ inches. Soil data from test hole: Depth, inches Soil texture 0-6" Topsoil 10yr3l2 6"-12" Clay loam 10yr413 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 5114/18 depth of initial water filling 12 inches above the hole bottom Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 9:30 10:00 6" 2.8 10.7 10:07 10:37 6" 2.7 11.1 10:38 11:08 6" 2.6 11.5 AVERAGE PERC. RATE 11.1 MPI Percolation Test Data Sheet Lic.#810 Percolating test readings made by: Rusty Olson's Perc. starting at 9:15 A.M. On 5115118 Location: 1160 Homestead Trail Hole number: 2 Date hole was prepared: 5114118 Depth of hole bottom —12"_inches, Diameter of hole _5"_ inches. Soil data from test hole: Depth, inches Soil texture 0-12 Topsoil 10yr3/2 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 5114118 depth of initial water filling 12 inches above the hole bottom Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 9:31 10:01 6" 3.6 8.3 10:06 10:36 6" 3.5 8.5 10:39 11:09 6" 3.4 8.8 AVERAGE PERC. RATE 8.5 MPI Percolation Test Data Sheet Lic.#810 Percolating test readings matte by: Rusty Olson's Pero. starting at 9:15 A.M. On 5/15/18 Location: 1180 Homestead Trail Hole number: 3 Date hole was prepared: 5/14/18 Depth of hole bottom _12"_ inches, Diameter of hole _6"_ inches. Soil data from test hole: Depth, inches Soil texture 0-6" Topsoil 10yr3/1 6"-12" Sandy loam 2.5y413 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches. Date of initial water filling 5114/18 depth of initial water filling 12 inches above the hole bottom Method used to maintain at least 12 Inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 9:32 10: D2 6" 3.5 8.5 10:05 10:35 6" 3.4 8.8 10:40 11:10 6" 3.3 9.1 AVERAGE PERC. RATE 8.8 MPI Percolation Test Data Sheet. Lic.#810 Percolating test readings made by: Rusty Olson's Perc. starting at 9:15 A.M. On 5/15118 Location: 1180 Homestead Trail Hole number. 4 Date hole was prepared: 5/14/18 Depth of hole bottom _26"_ inches, Diameter of hole ,_6"_ inches. Soil data from test hole: Depth, inches Soil texture 0-20 Fill 20-26 Topsoil 10yr312 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 5114118 depth of initial water filling 12 inches above the hole bottom Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 9:33 10:03 6" 2.2 13.6 10:04 10:34 6" 2.1 14.3 10:41 11:11 6" 2.1 14.3 AVERAGE PERC. RATE 14.0 MPI