HomeMy WebLinkAboutPreliminary Septic Design � DATE TIME
CITY OF ORONO CALLED IN
INSPECTION NOTICE SCHEDULED
PERMIT NO. cOMPLETED 8 ,� �
ADDRESS �QD QY.StQ� 0'f��C�
OWNER TELEPHONE NO.
CONTRACTOR
� DESCRIPTION �m� �S ��-�`��e�����
11� ❑ FOOTING ❑ DEMO-FINAL ❑ SEPTIC FINAL
Q ❑ POURED WALL ❑ PLUMBING RI ❑ EXCAV/GRADING/FILLING
O ❑ FOUNDATION WATERPROOF ❑ PLUMBING FINAL ❑ TREE REMOVAL
Z ❑ RADON SLAB ❑ MECHANICAL RI ❑ SITE INSPECTION
Q ❑ FRAMING ❑ MECHANICAL FINAL ❑ RATED WALLS
� ❑ INSULATION ❑ WOOD BURNER/FIREPLACE ❑ COMPLAINT
Q ❑ FINAL ❑ WATER HOOK-UP ❑ FOLLOW-UP
W ❑ AS BUILT-SURVEY ❑ SEWER HOOK-UP ❑ FOUNDATION/REMOVAL
_
J ❑ DEMO-SITE ❑ SEPTIC INSTALL
� OWNERICONTRACTOR TO MEET YOU:_YES_NO
v�i COMMENTS:
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W ❑WORKSATISFACTORY:PROCEED ❑ PROJECT COMPLEfE
� ❑CORRECT VYORK�PROCEED ❑ ISSUE CERTIFICATE OF OCCUPANCY
W
O ❑CORRECT WORK,CALL FOR REINSPECTION TEMPORARY
V BEFORE COVERING PERMANENT
❑CORRECTUNSAFECONDITIONWITHIN HOURS. � pHOTOTAKEN
INSPECTOR WFLL REfURN
❑STOP ORDEH POSTED.CALL INSPECTOR �CITATION ISSUED
❑INSPECTION REQUIRED.CALL TO ARRANGE ACCESS.
Ca11 for the next inspection 2a hours in advance. (952) 249-4600
OwnerlContract site:
Inspector.
White Copyllnspector's File Canary CopylSite Notice
� � �e� �e��t�� n v�- -�G�� c��Um U��
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� RECEIVED
- ��� JUL 1 1 Z016
� � �) �� C�TY OF ORONO
Joseph Olson D.B.A
Rusty Olson's--�oil and Percolation Testing
Joseph .I. Olson--��1PC.a License # 8l0
11-t81 Ri��er-��ie�� Rd. \E, Nano��er, �1� ��3-11
(763) -�9$-8779 Fax (763) -198-8290
June�". ?016
�est Ba� Homes
i00 Ba��side �Trail
Urono. Hennepin Count�
This on-site Se��a�_e'rreatment S�stem is desi�_ned tar a T}pe I three-bzdroom hotne in accordancc�+ith
[he Minnesuta Pollution Contrul A�,rnc� Cttapter?48�and local ordinances.
T he periodicall� saturated soils ��ere located at?0-?8 inches(mottled soil). Due to the periodicalh
saturated ;oils. a pressurizrd mound s}stem «ith 6 inches ofrock ��ill need to be installed to tT�eat the septic
ettluent. (h� bottom of thr treatment area must be located at least �' abo�e the saturated �oii>. "This s�stem
is drsi�ned Nith 6 inches of rock
All nei��hburin�;�+ell�arz ��reater than 100' from proposed treatment areas.
The soils at a depth of 1?" ha�e a percolation rate avera�in�_6.-1 '�1P1.
All ne�� tanks need ro be insulated if there is less than t��o feet ot co�er o�er thz top of the tanks. Clean
outs must be installed on the end of the laterals for maintenancz.
.A 1000�_allon pumping chamber��ill need to be imtalled to lift the effluent to the treatment area. "The
po��er supplt and s��itches mwt be (ocated outside the manholz and pumping chamber in a �teather-prooti
enclosure. A tiarnin�*de�ice must be in�talled �ti ith li`,ht and sound dzvices:this i� in case of a pump
failure. A flow measurement de�ice must be installed. Includin�,but not limited to a titiater meter.event
count�r. runnin<�time clocks or electronicall��contr���led dusin�.
tiothinP other than �ra� �+ater,tlaundr�,sho��ers,etc.) Numan ��ater and toilet tissue chould be
dis�osed of into the se�tic tanks. Garbate disnosals are not recommended Additi�es mu�t not be
used; thec ma� cause harmful damas�e to �our septic s�stem. It is recommended that �ou �ump the
tank ever� �ear for I scntic tank,e�er� two �earc fur tHo seotic tanks
Sincerel�.
�
�-~'" • Joseph J. Olson
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--- JetB:,�_I,�;J,,� �'h. 7b3•498-8774
Ru�ty t?!��`$��nd Ps�rcoiat#an'��stlr��
2011 purplecode Mound Design
www Sept�cResource com ivers 15.2j
Property Owner: West Bay Homes Date: 6r27/2016
Site Address: 100 Bayside Trait PID: 0611723220026
Comments:
instructions: � = enter data � = adjust if desired � = computer catculated - DO NOT CHANGE!
�3 bedroom Type � Residential System
_ 450 GPD design flow
Yes Garbage disposal or pumped to septic 50% targer tank with multipte comp�tanks
� 1500 Gal Septic tank �code minimum� 2000 Gal Septic tank (design size % LUG re�'d�
Tank options: none
1•2 GPD/ft� mound sand loading rate contour toading rate of 12 req's a min 38 ft. long rockbed
��� 10.0 ft rockbed width 38.0 ft rockbed length
� 3.0 ft laterat spacing 3.0 ft perforation spacing imaximum of 3 for both)
end feed manifold connection
� �3 taterals 36.0 feet tong 13.0 perfs / laterat 39 perfs total
�1/2 a perf means the first perf starts at the middle feed manifold)
t/4" inch perfs at �feet residual head gives 0.74 gpm f(ow rate per perforation
for this perf size Ec spacing, �t pipe size on line ?2, max perfs/lateral = 25 . iine z8 must be iess -->
i�,; 4.0 doses per day { 4 minimumi
i i, 113 gatlons per dose {treatment volume►
2.00 5x
�, 2.00 inch diameter laterals must be used to meet "4x pipe votume" requirement
2.00 3x
120 feet of 2.0 inch supply line leads to 20 gatlons of drainback volume
ITip: "top feed" manifold to control the drainback�
133 galtons TOTAL pump out volume �treatment � drainbackj
i� 8 feet verLical lift from pump to mound laterals, teads to a:
i��. 29 GPM � 17 feet of head, Pump requirement �note: y50gpm may require an extra 3-6'of head)
i, 500 gal Dose tank tcode minimum) 1000 gal Dose tank (design size ! LUG req'd) at 25.00 gpi
leads to a
i.� 5.3 inch swing on Demand itoat, or timed dosing of 4.6 min ON �confirm pump rate with drawdown
(this delivers Average flow, =70%of Peak design flow►�hrs QFF test and adjust as necessary)
��� 12 inches from bottom of tank to "'Pump OFF"ftoat
,� 17 inches from bottom of tank to "Pump ON"float, or 12 inches to "Timer ON" float if time dosed
_� 20 inches from bottom of tank to "Hi Level" ftoat, or 30 inches to"'Hi Level" float if time dosed
__ 500 �allons reserve capacity iafter Hi;h Levet Alarm is activated�
_ 0.60 gpd/ft` Absorption area Soil Loading Rate, which gives a mound ratio of 2 Iminimum)
jthis must match the soil boring tog� desired mound ratio 2.0
_ �8 percent site stope (0-20� range► �8 (%downstope site slope, if different than upslopel
_ 20 inches, or 1.7 ft. to Redox or other limiting condition (need at teast 12"to be a Type I)
Treatment zone contains�0 inches of 0`� soit credit, and �inches of 50%soit credit. Giving a:
,r. 16 inch, or 1.3 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!!
_ . 20.0 ft.Totat ABSORPTION width �with sand beyond rockbed as follows:I
'r, 0.0 ft. upslope and sidestope
10.0 ft. Downslope
tndividuat slope ratios give BERM widths Itopsoil beyond rockbed) of:
_ 4:1 upslope ratio 10 ft. upstope berm
,� � 3:1 sidestope 12 ft. sideslope berms
, 3:1 downslope 20 ft. downslope berm
_ Overatl Dimensions: 10.0 ft. wide by 38.0 ft. long Rock bed
4Q ft. wide by 62 ft. long Mound footprint
4" inspection pipe
18" cover on top
U sto e berm �� Dov��nsto e berm 20 '
12" cover on sides
'/ � r6"L7amy cap&G"topsoili
"� 1.3 C(ear� Sar�d !��ft �'�'�.�
__��.
1 .,�f. �;
1J � . _
Absor tion Width zo.o
Note:
For 0 [0 1 o slopes, Absorption Wrdth is measured from the Bedequally in both directions.
For slopes >1%, Absorption width is measured downhil! from the upslope edge of the Bed.
� Rock Bed:
10.0 ft. by 38.0 ft. by �inches under pipe, plus 2046 gives 13 yd'or•1.4= 1g ton
, Mound Sand: Inote: votume is based on 3:1�4:i slope from top�f rockbed, Exchange sand for toamy cap if desired)
16.5 up + 40.2 downstope - 10.9 ends * 24.4 under rock = 110 Yd'ar'1.4= � 155 ton
plus 20%
Loamy Cap:
36 ft. by 58 ft. 6"deep, plus 20� gives 47 yd'or*1.4= 66 ton
, Topsoil:
i 4G ft. by 62 ft. 6"deep, plus 204o gives 56 yd'or'1.4= 7g ton
I hereby certify that I have completed this work in accordance with alt applicable ordinances, rutes and laws.
,�
,.,�'_.___
Rusty Otson's Soil & Perc. 81G 6�27/2016
,,�signer Signature Company License# Date
Installer Summary
2000 gatlon Septic tank �minimum) Tank options: none
�u� �arger iann wi�n rnuiupie coniNi�anKs
1000 gallon Dose tank (minimum) at 25.00 gp�
29 GPM C� 17 ft. of head, Pump required
� 5.3 inch swing on Demand float which translates to roughly 3.7 inches of ftoat tether length
if time dosing is required --> 4.6 minutes ON time 8 �hours OFF time
17 inches from bottom of tank to "pump ON" ftoat, or 12 inches to "timer ON"ftoat
20 inches from bottom of tank to"Hi �evel Atarm" or 30 inches to "Hi tevel atarm" if time dosed
120 ft. of 2.0 inch supply line with end feed manifold connection
ITip: "top feed" manifold to control drainback)
16 inch, or 1.3 ft. Sand Lift Mound
10.0 ft. wide by 38.0 ft. long Rock bed
3 taterals 2.00 inch diameter 36.0 ft. tong 3.0 ft. laterat spacing
1/4" inch perfs 3.0 ft. perforation spacing
No Effluent filter fx alarm
3 clean out 8 valve box assemblies
20.0 ft.Total sand ABSORPTION width �minimum)
0.0 ft. upslope and sideslope �sand beyond rockbed, minimum)
i 10.0 ft. Downslope �sard bevcnd rockbeti. �inim��,r-,,i
Specific slope ratios give BERM widths (topsoil beyond rockbed) of:
4:t upslope ratio 10 ft. upslope berm
3:1 sideslope 12 ft. sideslope berms
3:1 downslope 20 ft. downslope berm
4" inspection pipe
18" cover on top
U slo e berrn � �� \ Downslo e berm 2C'
,,. 12" cover on side5
'� ` i.6"loamy cap&6"tops�il)
1.3 Clean sar�d ,:f; ���`�
,..,`�_
i
,, , �,..
1.7 ;� .� :; ,. -
. .� Absor tion Width 20.0
Note:
For 0 ta 1� slopes, Abso�ption Width is measured from the Bedequally in both direction5.
For slopes 71%, Absarption Width is measured �iownhitl from the upslope edge of the Bed.
Rock Bed: 13.0 yd3 or'1.4= 18 ton 6 inches under pipe
Mound Sand: 110 ydJ o�"�•4= 155 ton calculation based on 3:1/4:1 stope from top of rockbe�
Loamy Cap: 47 yd' or`1.4= 66 ton 6" deep
Topsoil: 56 yd3 or"1.4= 7g ton 6"deep
INSPECTOR CHECKLIST - mound
�uu �aysioe i rait
� �1! I.1. .�zh��cl,,: 20' to pressure tested sewer line �5 psi for 15 min)
50'to everything 100'to dispersat area with shaltow well
I'ROPER i 1' i_1\f.ti ;rihack: 10'to everything
Ruad,�cback: platted: 10' prop line. Metes � bounds: out of road easement, or outer ditch.
1.:�1:1-: Bl.l FF ;�chack: 20'for btuff. Lakes: GD_, RD_, NE _. Protected wetland _.
f3uildinL seihuck:: 10' for everything, 20' for dispersal area.
t1 1l 1 R I I\'I: under pre;sure;�10'to bed,tank Et sewer line. (etse sewer tine > 12" below►
� Sewer line & baffte connection (no 90's, 3'between 45's, slope min 1" in 8', max 2" in 8'i
(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 none
Riser over outlet, riser over inlet or center, and 6"; inspection pipe over any remaining baffles.
No effluent filter £� alarm
Dose tank risers and piping �water tight, insutated, proper depth, drainback�
mfg t0p0 gallons
� dose pump 29 gpm 17 head VERIFY PUMP CURVE 4.6 min ON 9 hr OFF
� ftoat setting drop 5.3 inches at 25.0 gpi "DESIGNED" 3.7 inches approx float tether length
133.0 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 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 / etectrical connections
flow measurement: CT, ETM, time dosed, home water meter
mound absorption area rough up
mound rock dimensions 10.0 X 38.0
Sand lift depth 16 inches. (Jar test : 2" sand leaves < i i8" silt after 30 min}
� Absorption Sand beyond rock 0.0 upstope 10.0 downslope
� Bermed topsoil beyond rockbed 10 upslope t 2 sidestope 2u downstope
cover depth of 12•18"� YERIFY
3 laterals �1-2'from edge of rock)
2.00 inch pipe size (Sch40 pipe & fittingsl
3.0 ft tateral spacing
8 1/4" inch perforations
3.0 ft perforation spacing
Air inlet at end of laterals, and at top feed manifold if necessary. VERIFY
ctean 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
� 1 . .., . .6. � . a .
System Elevations t
Y.!•Y{_?::M�.a�vla�•slA, } � � � —, '
^ benchmark ' � r , ' ' T
SN`ri i
Mound �
(Grade elevations are existing. tf a loamy cap
different final grade is desired it should lateral
be shown and described here.�
bottom rack
grade (at up�lop��oc k tTcd)
$H�'1iT (at up,lupt��o�k Ix�d)
1 1 1 1
�� •J •J J J •l ..J / / .
� r � I � �
r r
1' 1 1'
Sewer pipe
exiting house Septic Tank Septic Tank (��,�����i��.�c,i��� Pump Tank
urade vrade urade Grade
Pipe inlet inlet mlet
Tank boltam Tank bottom Tank bottom
Loqs of Soii Bor�nqs
License #810
LocatiQn or Project: Proposeci fot i
Borings made by: Rusty Oison's 5oi! and Perc testing 1/7/2013
C{assification System: AASHO ; USDS USDS-5CS X ; Unified ; Other
Auger used (check two): Hand _X�, or Power_, Flight, Bucket or Probe_X_
Bonng Number_1_Surface elevation_965.9� Mattled Soil at_1.7_feet
�r"-14" Dark brown loam 10yr3I2 N20 present at X
14"-20" Brown loam �Oyr4J3
20"-30" Rusty brown loam 10yr414
B���ng Number_2_Surface elevation_965.9_ Mottled Soil at�1.7,feet
0"-14" Dark brown loam 10yr3/2 N20 present at X
14"-20" Brown loam 10yr4f3
20"-30" Rusiy brown Ioar1� 10yr4i4
Boring Number_3_Surface Elevation�969.9 Mottled Soil at 2.3 feet
Q"-20" Dark brown loam 10yr3/2 H20 present at_X_
20"-28" Brown loam 10yr414
28"-36" Rusty brown loam to clay laam 1�yr5,'3
Boring Number_4_ Surface elevation_969.9_ Mcttled Soil at_2.3_feet
Q"-22" Dark brown loam 10yr3/2 H20 �resent at X
22"-28" Brown loam 10yr4/4
28"-36" Rusty brown clay ioam 10yr4i4
Boring Number_5_Surface elevatian_964.6` Mottled Soil at 1.5 f2et
Q-14" Dark brown loam 10yr3l2 H20 present at'X_
14"-18" Brown loam 10yr413
18"'-24" Rusty brown loam 10yr4/4
Boring Number_6_Surface elevation�966 9_ Mottled Soil at 2.3 feet
0"-20" Dark brown loam 10yr3/1 H20 present at_X_
20"-28" Brown loam 1�yr4/4
28"-36" Rusty brown loam to clay loam 10yr4/4
Percolation Test Data Sheet
Lic.#810
Percolating test readings made by: Rusty Olson's Perc. starting at 1�39 P.M. On 1108i13
�ocaiion: Proposed loi 1
Hole number. 1
Date hofe was prepared: 1i07/13
Depth of hole bottom_12"_inches, Diameter of hoie_6"_ inches.
Soif data from iest hole:
�epth. ir�ches So+i texture
0-12" Dark Brown Loam 10yr3/2
Method of scratching side wall: Knife
�epth of gravel in bottom of hole 2 inches:
�ate nf initial water fiiling 1/07J13 depth of initiai wate�filiing 12 inches above the hole bottom
Melhod used to maintain at ieast 12 inches of water depth in hole #or at least 4 hours Automatic Siphon
Maximum water dspth above hole botiom during tests 6 inches
Time Time Depth Drop in H20 Perc Rate
1:59 2:29 6" 4.5 6.7
2:32 3:03 6" 4.4 6.8
3:03 3:33 6" 4.3 7.0
AVERAGE PERC. RATE 6.8 MPI
Per'colaUan Test Dat� ShEet
Lic.#810
Percolating test readings made by: Rusty Olson's Perc. starting at 1:39 P.M. On 1/08l13
Location: Proposed lot 1
Hole number: 2
Date hoie was prepared: 1J07/13
Deptn af hole bottom_12"�inches, Diameter of hole_6"_ inches.
Soil data from test hote:
�epth, inches Soil texture
0-12" Dark Brawn l.oam 10yr3/Z
Method of scratching side wall: Knife
Jepth of gravel in bottom of hole 2 inches:
�ate of+nitial water fifling 1/07l13 depth of initial water filiing 12 inches above the hole bottom
Method used ta maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon
^J"axirnurn water aepth �bove hofe bottom during tests 6 inches
Time Time Depth Drop in H20 Perc Rate
2.00 2:30 6" 5.2 5.7
2:31 3:01 6" 5.0 6.4
3:04 3:34 6" 4.8 6.2
AVERAGE PERC RATE 6.0 MPI
Percalat�on Test Daia Sheet
Lic.#810
Percolating test readings made by: Rusty Olson's Perc. starting at 9:30 A_M. O� 1/09l13
Location� Proposed lot 1
No1e number: 3
Date hole was prepared: 1f08113
Depth of hole bottom_12"_ inches, Diameter of hole_6"_ inches.
Soil data from test hole:
Depth. inches Soii texture
0-12" Dark 8rav+rn Loam 10yr3/2
Meth�d of scratchiny side waii: Knife
Depth of gravel in bottom of hafe 2 inches:
Jate of initial water filling 1/08/13 depth of initial water filling 12 inches above the hole bottom
Ulethod used to maintain at ieast 12 inches of water depth in hole far at least 4 hours Automatic Siphon
Maximum wa#er d�pth above hol� hottGm dunng tests 6 inches
Time Time Depth Drop in H20 Perc Rate
9:44 9:59 6" 4_1 3.S
10:02 10:17 6" 4.0 3.7
14:18 10�33 6" 3.9 3.8
AVERAGE PERC RATE 3.7 MPi
.
,
PercolaUon Test Data Shee?
Lic.#810
Percolating test readings made by: Rusty Olson's Pe�c. starting at 9:30 A.M. On 1/09/13
l.ocation: Proposed lot 1
Hole number: 4
Date hole was prepared� 1f08113
�epth of hole bottom^12"_ inches, Diameter of hole_6"! inches.
Soii data from test hole:
�epth. inches Soii texture
f�-12" Dark Brown �oam 10yr3/2
Method of scratching side wail Knife
�epth of gravel in bottom of hole 2 inct�es:
�ate of initial water fiiling 1/08/13 depth of initiai water filling 12 inches above the hole bottom
'Ulethod used to maintain at least 12 inches of water depth in hole for at least 4 haurs Automatic Siphon
`�/laximurr; water depth above hole bottom during tests 6 inches
Time Time �epth Drop in H2Q Perc Rate
9:45 10:00 6" 5.5 2.7
10:01 10:16 6" 5.5 2.7
10:19 10:34 6" 5.5 2.7
AVERAGE PERC. RATE 2.7 MPI