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Mound by mMTn9nL

VIEWS: 13 PAGES: 11

									                                                                                                                    contact Troy Johnson at
            version
             11.7                                   Mound Design                                                    www.SepticResource.com
                                                                                                                    for questions or comments


            Property Owner:                                                                  Date:

            Site Address:                                                                    PID:

            Comments:

            instructions:             = req'd input                 = input or default                 = calculated field      *** = installer info

1)             3      bedroom         Type           I              Residential              System

2)            450     GPD design flow

3)            No      Garbage disposal or pumped to septic

4)    ***    1000 Gallon septic tank (minimum)                               Tank options:           none

5)            1.2     GPD/ft2 mound sand loading rate

6)            10      ft rockbed width             37.5   ft rockbed length

7)    ***     3.0     ft lateral spacing           3.0    ft perforation spacing             (maximum of 3 for both)
                                                                    end feed         manifold connection

8)    ***      3      laterals        35.5 feet long               12.0 perfs / lateral          36 perfs total
                                                                 (1/2 a perf means the first perf starts at the middle feed manifold)
9)    ***    1/4" inch perfs at            1     feet residual head      gives   0.74 gpm flow rate per perforation

            for this perf size & spacing, & pipe size on line 12, max perfs/lateral =                   25   , line #8 must be less -->      OK

10)           4.0     doses per day              ( 4 minimum)

11)           113     gallons per dose         (treatment volume)

12)          2.00 inch diameter laterals (or smaller) will meet "5x pipe volume"
      ***    2.00 inch diameter laterals (or smaller) must be used to meet "4x pipe volume" requirement
             2.00 inch diameter laterals (or smaller) will meet "3x pipe volume"

13)   ***     30      feet of            2.0     inch supply line         leads to     5     gallons of drainback volume
                                                                                             ("top feed" manifold to control the drainback)
14)           118     gallons TOTAL pump out volume (treatment + drainback)

15)           10      feet vertical lift from pump to dispersal area, leads to a:
16)   ***     27      GPM @              16      feet of head, Pump requirement              (note: >50gpm may require an extra 3-6' of head)

17)   ***    1000 gal Dose tank (minimum)                               at   25.00 gpi
                      leads to a
18)   ***     4.7     inch swing on Demand float,           or timed dosing of        4.4    min ON          (confirm pump rate with drawdown
                                                 (to deliver 66% of design flow)       9     hrs OFF         test and adjust as necessary)
19)           12      inches from bottom of tank to "pump OFF" float, and/or to cover pump
20)   ***     17      inches from bottom of tank to "pump ON" float, or               12     inches to "timer ON" float
21)   ***     20      inches from bottom of tank to "Hi Level" float                 (add 5-15 inches if Time Dosed)

22)           500     gallons reserve capacity (after High Level Alarm is activated)
23)          0.60 gpd/ft2       Absorption area Soil Loading Rate,                   which gives a mound ratio of          2     (minimum)
                                (this must match the soil boring log)                        desired mound ratio          2.0
24)            3    percent site slope          (0-20% range)               3    (% downslope site slope, if different than upslope)

25)           24    inches, or            2.0   ft. to Redox or other limiting condition       (This must match the soil boring log)
                    leads to a:
26)   ***     12    inch, or              1.0   ft. Sand Lift Mound              CRITICAL FOR FUTURE CERTIFICATIONS!!!

27)   ***    20.0 ft.Total ABSORPTION width             (sand beyond rockbed)
28)                                       0.0   ft. upslope and sideslope
                                          10.0 ft. Downslope
      *** Individual slope ratios give BERM widths (topsoil beyond rockbed) of:
29)           4:1   upslope ratio         11    ft. upslope berm
30)           4:1   sideslope             13    ft. sideslope berms
31)           4:1   downslope             15    ft. downslope berm


32)         Overall Dimensions:                   10     ft. wide by     37.5    ft. long Rock bed
                                                  36     ft. wide by        64   ft. long Mound footprint




                                     11                                                                              15




                                     1.0

                                     2.0

                                                                                      20.0




33)   *** Rock Bed:
                                                                                                          3
            10 ft. by          37.5 ft. by         6    inches under pipe, plus 20% gives        13   yd or *1.4=         18    ton

34)                 (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired)
      *** Mound Sand:
                                                                                       3
         14.7 up + 24.7 downslope +         7.8 ends + 16.0 under rock =         76 yd or *1.4=      106 ton
                                                                 plus 20%
35) *** Loamy Cap:
                                                                                       3
          32 ft. by   60 ft. 6" deep, plus 20% gives                             43 yd or *1.4=       60 ton

36)   *** Topsoil:
            36 ft. by           64    ft. 6" deep, plus 20% gives                                51   yd3 or *1.4=        71    ton

            I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws.



            Designer Signature                          Company                                License#               Date
                                    Installer Summary
 1000 gallon Septic tank (minimum)                          none


 1000 gallon Dose tank (minimum)                                   at       25.00 gpi

  27       GPM @           16 ft. of head, Pump required
  4.7      inch swing on Demand float                       or        4.4   minutes ON time &       9     hours OFF time
  17       inches from bottom of tank to "pump ON" float, or          12    inches to "timer ON" float
  20       inches from bottom of tank to "Hi Level Alarm" float

  30       ft. of          2.0     inch supply line   with end feed         manifold connection
                                                                            ("top feed" manifold to control drainback)
  12       inch, or         1.0 ft. Sand Lift Mound
  10       ft. wide by     37.5 ft. long Rock bed
   3       laterals        2.00 inch diameter           35.5 ft. long                 3.0   ft. lateral spacing
 1/4"      inch perfs       3.0 ft. perforation spacing

  No       Effluent filter & alarm
   3       clean out & valve box assemblies

 20.0 ft.Total sand ABSORPTION width (sand beyond rockbed) (minimum)
                       0.0 ft. upslope and sideslope
                      10.0 ft. Downslope
           Specific slope ratios   give BERM widths (topsoil beyond rockbed) of:
  4:1      upslope ratio    11      ft. upslope berm
  4:1      sideslope        13      ft. sideslope berms
  4:1      downslope        15      ft. downslope berm




                           11                                                                              15




                           1.0

                           2.0

                                                                            20.0




Rock Bed:                   13     yd3 or *1.4=       18    ton             6      inches under pipe
                                      3
Mound Sand:                 76     yd or *1.4=        106   ton             calculation based on 3:1/4:1 slope from top of rockbed
                                      3
Loamy Cap:                  43     yd or *1.4=        60    ton             6" deep
Topsoil:                    51     yd3 or *1.4=       71    ton             6" deep
                            INSPECTOR CHECKLIST - mound

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:             outer ditch, or 33' from center of township road, or 65' from center of cnty road
LAKE / BLUFF setback:     20' for bluff. Lakes: gen 50', rec 75', nat 150'. Protected wetland 50'.
Building setbacks:        10' for everything, 20' for dispersal area.
WATER LINE under pressure 10' to bed,tank & sewer line.
                          setback:

Sewer line & baffle connection (no 90's, 3' between 45's, slope of 1/8"/ft, or 1" in 8', or 1' in 96'.
      (no depth req's, clean out every 100', Sch 40 D2665 or F891)
Septic tank and risers (water tight, insulated, proper depth, existing verified by pumping)
       mfg__________        1000 gallons            none
Riser over outlet, riser over inlet, 6"+ inspection pipe over any remaining baffles.

No     effluent filter & alarm

Dose tank risers and piping (water tight, insulated, proper depth, drainback)
       mfg__________         1000 gallons

dose pump __________             27   gpm       16    head     VERIFY PUMP CURVE       4.4 M on      9   H off

float setting drop  4.7 inches
       LABEL pump requirements and drawdown on riser or panel
Cam lock, weep hole, supply line access (no hard 90, pipes reachable from grade)

supply pipe sloped 1/8"+, supported by sch40 sleeve, and buried 6"+.

splice box / control panel / electrical connections

mound rock dimensions            10       X    37.5

Sand lift depth        12   inches.           (Jar test : 2" sand leaves < 1/8" silt after 30 min)

Absorption Sand beyond rock             0.0   upslope                           10.0 downslope

Bermed topsoil beyond rockbed           11    upslope           13 sideslope     15 downslope

cover depth of 12-18"+                                VERIFY

   3 laterals (1-2' from edge of rock)
 2.00 inch pipe size (bigger is ok but do not exceed 4 times pipe volume)
  3.0 ft lateral spacing

 1/4" inch perforations (smaller is ok)
 3.0 ft perforation spacing

Air inlet at end of laterals, and at top feed manifold.        VERIFY
clean outs (no hard 90's)
4" inspection pipe to bottom of rock, anchored                 VERIFY

Abandon existing system if necessary
monitoring plan and type
                                                       Preliminary Evaluation Form
1. Contact Information

              Property Owner/Client:                                                                                                          Client Phone Number:

Mailing Address

    Site Address

      Parcel I.D.                                         Township #                                                Range #                                           W              Section

              Date                                   Township name                                        Legal Desc or Lat/Long

Evaluation for system type                New                                 Replacement                 Parcel dimensions

2. Flow Information
Client-Provided Information
Type(s) of use (all that apply )            Residential                Commercial                    Other Use (Specify)
                                                                                                                               2
No. of bedrooms* (if applicable)                      3                                              Unfinished space (ft )

No. of residents in home                    Adults                            Children               Teenagers                              Daycare
Existing flow measurements                  Yes (If Yes, attach readings)                         \ No

                                            Garbage Disposal                                        Water Softener*                      Iron Filter*
Water-using devices (check all that                                                                                                                Other (specify )
                                            Dishwasher                                              Sump Pump*
apply)
                                            Large Bathtub/Jacuzzi                                    High Efficiency Furnace*
                                            Laundry/Large Tub on 2nd Floor                          Hot Tub*                          * Clear water source

Water use concerns (check all that          Faucet/Toilet                     Multiple Loads of                                              Long-Term Prescription Meds
apply)
                                            In-Home Business                  No Lint Screen        Use of Anti-Bacterial Soap               Frequent Entertaining of Out-of-Town Guests

Any additional current or future uses on this parcel (specify )

Any non-sewage discharges to system (specify )
Sewage ejector or grinder pump in home                                        Yes                    No
I acknowledge the above is complete and accurate                                           (Client(s) signature and date)

Designer-determined Flow Information
A. Estimated Design Flow (gallons per day)                                           450
Anticipated waste strength                     Domestic                       High Strength                     Description:

3. Preliminary Site Information
B(1). Water supply well(s) within 100 ft of absorption area                         Yes                    No
Well(s) were located          Direct Observation            County Well Index Maps                Personal Communication                 MN Unique Well Id #:

Depth of well(s)                                                        ft                           Well casing depth(s)                                             ft             Source
B(2). Site within 200 ft of noncommunity transient supply well                                       Yes                       No                                                    Source
B(3). Site within a drinking water supply management area                                            Yes                       No                                                    Source
B(4). Location of all existing and proposed buildings and improvements on lot (see Site Evaluation map )
B(5). Buried water supply pipes within 50 ft of proposed system                                      Yes                       No
C. Location of all easements on lot (see Site Evaluation map )                                                       Source

D. Elevation of ordinary high water level (OWHL) - MN DNR (if adjacent to parcel )

E. Floodplain designation and flood elevation                                                                                                                         Source
F. Determine property lines (see Site Evaluation map )                           Survey                           Plat Map                        Other
Site located in a shoreland district/area                    Yes                          No
G. Distance of setbacks                     Property Lines                    OHWL                   Easements                      Water Supply Pipes                     Well(s)
                                            Other
H. Soil Survey Information (from web soil survey )                            Map                    Map Units on Parcel

                     List landforms                                                                                  Slope Range
Parent materials -check all that apply                                                               Landscape Position (check all that apply )
    Till       Outwash       Loess        Bedrock         Alluvium                                         Summit         Shoulder           Backslope          Footslope                Toeslope
           Colluvium         Lacustrine        Organic             Cut/Fill                            Depression         Stream             Terrace            Manmade                  Plain


4. Local Government Unit Information
Name of LGU                                                                                          LGU Contact
LGU-specific setbacks
LGU-specific design requirements
LGU-specific installation requirements
                                                  Field Evaluation Form
1. Contact Information
          Property Owner/Client                                                                                                        Client Phone Number:
                        Site Address
           Date                                 Weather Conditions


2. Utility and Structure Information

Utility Locations Identified              Gopher State One Call #                                Any Private Utilities

Property Lines                            Determined and Approved By Client                                                  Client's Approval (initial)
                                          Determined But Not Approved
                                          Approximate
                                          Property Lines Surveyed

Locate and Verify (see Site Evaluation map )
                                          Existing Buildings          Improvements              Easements                   Setbacks


3. Site Information
                       Percent Slope                                                                  Slope Direction
                 Landscape Position                                                                        Slope Shape
                  Vegetation type(s)
         Evidence of cut, fill, compacted or disturbed areas           Yes                       No                         Locate Areas on Site Evaluation Map
                 Discuss the flooding or run-on potential of site


                         Identify benchmarks and elevations (Site Evaluation Map )
Proposed soil treatment area adequately protected                     Yes                       No


4. General Soils Information
Original soils                 Yes                   No
Type of observation            Soil Probe                   Soil Boring             Soil Pit*                            *Soil pit required if determining loading rate without perc test
Number of soil observations
Soil observations were conducted in the proposed system location                        Yes                      No

A soil observation was made within the most limiting area of the proposed system                           Yes                  No

Soil boring log forms completed and attached               Yes                     No

Percolation tests performed, forms completed and attached                    Yes                      No


5. Phase I. Reporting Information
             Depth to standing water                                inches                                               Anticipated construction issues
                        Flood elevation                             feet
                      Depth to bedrock                              inches
 Depth to periodically saturated soil               24              inches
           Maximum depth of system                                  inches
         Elevation at system bottom                                 feet                                    Differences between soil survey and field evaluation
                       Percolation rate                             min/inch
                           Loading rate             0.60            gpd/ft2
                   Contour loading rate                             gpd/ft
Site evaluation issues / comments
                                            Soil Observation #1                                                                                  Date

                                                                                                                                                Time

         Property Owner:                                                                                    Landscape position

             Site Address:                                                                                            Vegetation

   Soil parent materials        Outwash         Lacustrine       Loess                                 Location:                                               Slope%
  (Check all that apply)        Till        Alluvium     Bedrock         Organic
                                                                                           Soil survery map units                       Slope shape
                                                                         matter
                             Coarse                                                                                 I-------- Structure-----------I
Depth (in)   Texture         Frag. %   Matrix Color(s)       Mottle Color(s)       Redox Kind(s)    Indicator(s)    Shape           Grade               Consistence




 Comments
                Soil Observation 2 & 3                                                                                                           Date

                                                                                                                                                Time

         Property Owner:                                                                                    Landscape position

             Site Address:                                                                                            Vegetation

   Soil parent materials        Outwash         Lacustrine       Loess                                 Location:                                               Slope%
  (Check all that apply)        Till        Alluvium     Bedrock         Organic
                                                                         matter            Soil survery map units                       Slope shape

                             Coarse                                                                                 I-------- Structure-----------I
Depth (in)   Texture         Frag. %   Matrix Color(s)       Mottle Color(s)       Redox Kind(s)    Indicator(s)    Shape           Grade               Consistence




 Comments


Soil Bore #3                 Coarse                                                                                 I-------- Structure-----------I
Depth (in) Texture           Frag. %   Matrix Color(s)       Mottle Color(s)       Redox Kind(s)    Indicator(s)    Shape           Grade               Consistence




 Comments
Percolation Data Sheet
1. Contact Information
            Property Owner:
                 Site Address:

2. General Percolation Information

    Diameter                     in                          Date prepared and/or soaked:

             Method of scratching sidewall:

      Is pre-soak requiried*?                   * Not required in sandy soils

                                                     Soak* end
             Soak* start time:                                                                              hrs of soak
                                                         time:

             Method to maintain 12 in of water during soak

3. Percolation Test Data

                   Test hole:         #1                          Location:

          Date reading taken:                                     Elevation:

                Starting time:                                       Depth**:                inches

Soil texture description:
                 Depth (in)                Soil Texture                          ** 12 inches for mounds & at-grades,
                                                                                depth of absorption area for trenches &
                                                                                                  beds




                                                 Start Reading End Reading       Perc rate   % Difference
   Reading        Start Time      End Time                                                                      Pass
                                                      (in)         (in)            (mpi)     Last 3 Rates
      1                                                                                           NA             NA
      2                                                                                           NA             NA
      3




                                  Chosen Percolation Rate for Test Hole #1                   mpi

Additional percolation test data may be included on attached pages
Design Percolation Rate (maximum of all tests) =                                             mpi
Additional Percolation Data
Percolation Test Data
                   Test hole:      #2        Location:
          Date reading taken:                Elevation:
                Starting time:               Depth**:                     inches

Soil texture description:                                                  ** 12 in. for mounds & at-grades, depth
                 Depth (in)             Soil Texture                      of absorption area for trenches and beds




                                              Start Reading End Reading     Perc rate   % Difference
   Reading       Start Time      End Time                                                                 Pass
                                                   (in)         (in)          (mpi)     Last 3 Rates
      1                                                                                     NA             NA
      2                                                                                     NA             NA
      3




                 Chosen Percolation Rate for Test Hole #2                 mpi

Percolation Test Data
                   Test hole:      #3        Location:
          Date reading taken:                Elevation:
               Starting time:                Depth**:                     inches

Soil texture description:                                                  ** 12 in. for mounds & at-grades, depth
                 Depth (in)             Soil Texture                      of absorption area for trenches and beds




                                              Start Reading End Reading     Perc rate   % Difference
   Reading       Start Time      End Time                                                                 Pass
                                                   (in)         (in)          (mpi)     Last 3 Rates
      1                                                                                     NA             NA
      2                                                                                     NA             NA
      3




                 Chosen Percolation Rate for Test Hole #3                 mpi
Additional Percolation Data
Percolation Test Data
                   Test hole:      #4        Location:
          Date reading taken:                Elevation:
                Starting time:               Depth**:                     inches

Soil texture description:                                                  ** 12 in. for mounds & at-grades, depth
                 Depth (in)             Soil Texture                      of absorption area for trenches and beds




                                              Start Reading End Reading     Perc rate   % Difference
   Reading       Start Time      End Time                                                                 Pass
                                                   (in)         (in)          (mpi)     Last 3 Rates
      1                                                                                     NA             NA
      2                                                                                     NA             NA
      3




                 Chosen Percolation Rate for Test Hole #4                 mpi

Percolation Test Data
                   Test hole:      #5        Location:
          Date reading taken:                Elevation:
               Starting time:                Depth**:                     inches

Soil texture description:                                                  ** 12 in. for mounds & at-grades, depth
                 Depth (in)             Soil Texture                      of absorption area for trenches and beds




                                              Start Reading End Reading     Perc rate   % Difference
   Reading       Start Time      End Time                                                                 Pass
                                                   (in)         (in)          (mpi)     Last 3 Rates
      1                                                                                     NA             NA
      2                                                                                     NA             NA
      3




                 Chosen Percolation Rate for Test Hole #5                 mpi

								
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