HomeMy WebLinkAboutLAKE HILL ACRES LT 5 LESS W80'Onsite File
is A 40
Lake Hill Acre7;1-
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Municipality of Anchorage
On -Site Water and Wastewater Section • (907) 343-7904 Page 1 of 1
ON-SITE WASTEWATER INSPECTION REPORT
Permit Number: OSP191376 PID Number: 051 053 10
Dwelling: X Single Family (SF) ❑ with ADU ❑ Duplex (D) ❑ Two Single Family Project: ❑t New ❑ Upgrade
Name
NORPEAK PROPERTIES
ABSORPTION FIELD
❑ Deep Trench ❑■ Wide Trench ❑ Bed ❑ Mound
Site Address
24251 SUNNYSIDE
❑ Other
Phone
Number of Bedrooms
Soil Rating
Total depth from original grade
3
0.8 GPD/SF
8 Ft.
LEGAL DESCRIPTION
Depth to pipe invert from original grade
4 Ft.
Gravel depth beneath pipe
4 Ft.
Subdivision Block Lot
LAKE HILL ACRES LOT 5 LESS W 80'
Fill added above original grade
0.5 Ft.
Gravel length
75 Ft.
Township Range Section
Gravel width
5 Ft.
Beds: Number of Lines
-
Distance between lines
- Ft.
SEPARATION DISTANCES
To
Septic
Absorption
Lift Station
Holding
Sewer
Total absorption area
Number of trenches
Dist. between trenches
From
Tank
Field
Tank
Line
750 Ft2
1
- Ft.
Well
+100
+100
+100
-
+25
TANK ❑ Septic XS.T.E.P. EJHolding ElOther
Manufacturer
Anchorage
Capacity
1500 Gal.
Surface water
+100
+100
+100
_
Material
Number of compartments
Lot Line
+10
2.9
+10
-
NA
Epoxy Coated Steel
2
Foundation1
} 1
+10
_
LIFT STATION
Manufacturer
Capacity
Remarks permit was for a 3 -bedroom system.
orenCo
step tank Gal.
system may be adequate for 4 -bedrooms
Alarm location
house
Electrical installed by
PIPE MATERIAL House to tank 3034 drainfield Tank to
3034
Installer
JRs
Drainfield 3034 CO/MT3034
Inspector C.balzarini
BENCH MARK (Assumed elevation) 100 ft
Inspection 1ectiom 11/19/20 11/22/20
Location and description
2�e
btm of siding
are 11/25/26 41'
ON-SITE WATER AND WASTEWATER SECTION APPROVAL
Engineer's Stamp
OF A/-gsll��
Conditional Approval: Date
� ... ......... .. �
J CHARLES G BALZARINI71 /
r�f �'�c�
Septic System,
r j /
. CE-13854AW
��1lF�FOPROFESS10Na�����
Approved Date I r ��-2
Note: this approval does not include well permit requirements.
12/30/20
trcev uDiuu ia)
LEGEND OF
^q,j
O CLEANOUT •��j' • , 5
MONITOR TUBE ,�I/co -2.91
N'CHARLES G BALZARINr
i E F ' CE -13854
® TH-1. -- NEW 5' x 75' DRAINFIELD ����F�PROFESSIONP4.�
10' TANK TO
FOUNDATION C
NEW 1500 GAL STEP TANK
r
WELL
i
SCAL : 1" = 30'
MONITOR TUBE
99.4
FILTER FABRIC 100.6 FINISHED TESTHOLE 1
GRADE 100.1
5.2* COVER 4' 100.1
COVER ORIG. GRADE
1500 GAL STEP TANK 96.1 INVERT
92.1
DISTRIBUTION PIPE 92-1
4' EFFECTIVE SEWER ROCK NO GWT (11125119)
89.2
SCHEMATIC PROFILE VIEW SHOWS ELEVATIONS OF INSPECTED 86.1
ELEMENTS BUT DOES NOT DEPICT SYSTEM IN ITS ENTIRETY.
INSPECTION FOR GENERAL CONFORMANCE TO DESIGN AND MOA
REQUIREMENTS ONLY.
SCHEMATIC SETCION, NTS
SWING TIES
LEGAL DESCRIPTION:LAKE HILL ACRES LOT 5 LESS W80'
A B
SITE PLAN
C
I8.1
36.9
D
23
39.1
E
31.5
70.3
F
65.3
27.4
C&M ENGINEERING SERVICES
907-854-5558
LEGAL DESCRIPTION:LAKE HILL ACRES LOT 5 LESS W80'
OWNER:NORPEAK DATE: 12/29/20 REV: 0 DRAWN: CB REF:
SITE PLAN
Mfheat®n Water VVe p Inco
1190 N. Wasilla-Fishhook Road
Wasilla, Al( 99654
(907)376-2041
Name:
Lewis Construction
Address:
City:
Eagle River State:
AK Zip Code:
Well Site:
Lake Hill Acres
Lot/Block: L5
Additional:
24251 Sunnyside Dr
Well Depth:
201 ft.
From:
To: Formation:
0
73 silt/gravel
Below Ground:
199 ft.
73
103 damp silt/sand/gravel
Above Ground:
2 ft.
103
168 sand/gravel
Gal/Min:
10
168
182 damp silt/gravel
182
201 gravel/water
Static Level:
167 ft.
Casing:
201ft. of 6 in. x .25 in. steel
Liner Pipe:
N/A
Screened:
N/A
UALITY TESTING
Perforated:
N/A
Met�i/100mL
LArm"c
mg/L
Grouted:
yes
D t
Depth:
N/A
JZ -1 Z02
Develop. Method:
Air
Use of Well:
Residential
Drilling Method:
Rotary
Misc:
Other:
chlorinated to 50ppm
The well was pumped 5' off the bottom with 100% draw down for 2 hours and recovered at 10.
Date Drilled:
8.14.2020 Driller: Ben Mattson
Q DOC CO dba
OPM BILL & GOLE
;40o-. ULLIVAN WATER WELLS
0 e—V P.O. Box 670269, Chugiak, AK 99567 688-2759
www.suilivanwaterwells.com
Well Drilling Permit Number: SW Date of Issue
Parcel Identification Number:
Attention: The pump installer shall provide a pump installation log to the DSD within 30 days of pump installation.
Municipality of Anchorage
Development Services Department
On -Site Water and Wastewater Section
a,.�. 4700 Elmore St.
P.O Box 196650 Anchorage, AK 99519-6650
www.muni.org/onsite
(907) 343-7904
! _Soils Log - Percolation Test
Performed For: l E I/ ✓ —),H L e i_` Date Performed:
Legal Description: L- K -E -ff &07'_5 Township, Range, Section:
Depth
WAS GROUND WATER
ENCOUNTERED? /LO
S
IF YES, AT WHAT DEPTH? Al VE L
Depth to Water After F
Monitoring? l . E
Date: 97
SjtS/ yg NO GWT 11/25/19
PERCOLATION RATE z (minutesfinch) PERC HOLE DIAMETER _
^7 � TEST RUN BETWEEN } FT AND _I FT
COMMENTS ? P" 5F3 157D
PERFORMED BY:�t lty j 'V� I r'i� A�e�y CERTIFY THAT THIS TEST WAS
PERFORMED IN ACCORDANCE WITH ALLSTATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE, A
2-
4.
'-
3-
4-
5-
6-Li�1�
7-L7'
-
8-
9-
9-10-
1 0 .
-.
y
,"r
11-
� VV
12-
13-7)
14-
(DEEPENED 9/13/19
15-
16-
17-
18-
19-
20 -
WAS GROUND WATER
ENCOUNTERED? /LO
S
IF YES, AT WHAT DEPTH? Al VE L
Depth to Water After F
Monitoring? l . E
Date: 97
SjtS/ yg NO GWT 11/25/19
PERCOLATION RATE z (minutesfinch) PERC HOLE DIAMETER _
^7 � TEST RUN BETWEEN } FT AND _I FT
COMMENTS ? P" 5F3 157D
PERFORMED BY:�t lty j 'V� I r'i� A�e�y CERTIFY THAT THIS TEST WAS
PERFORMED IN ACCORDANCE WITH ALLSTATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE, A
""""TkopMUNICIPALITY OF ANCHORAGE �,ilenr
On-Site Water&Wastewater Program �� S<
.at,�; PO Box 196650 4700 Elmore Road �"
j ' j Anchorage.Alaska 99519 6650 Phone:(907)343 7904 Fax:(907)343 7997 r
http:l/www.muni.org/onsitee„,-.,"„.,....*
������
Department
iCHORh-
On-Site Water & Wastewater System Permit
Permit Number: OSP191376 Effective Date: 9/4/2019
Work Type: WellSeptic Upgrade Expiration Date: 9/3/2020
Tax Code Number: 05105310000
Site Legal Address: LAKE HILL ACRES LT 5 LESS W80' G:1561
Site Mailing Address: 24251 SUNNYSIDE DR, Chugiak
Owner: NORPEAK PROPERTIES LLC Lot Size in Sq Ft: 19500
Design Engineer: C & M Engineering Total Bedrooms: 3
This permit is for the construction of:
0 Disposal Field CO Septic Tank 0 Holding Tank 0 Privy El Private Well 0 Water Storage
All construction shall be in accordance with:
1. The attached approved design.
2. All requirements specified in Anchorage Municipal code Chapters 15.55 and 15.65 and the State of Alaska
Wastewater Disposal Regulations (18AAC72) and Drinking Water Regulations (18AAC80)
3. The wastewater code requires inspections during the installation. The engineer shall notify the Development
Services Department per AMC 15.65. Provide notification by calling (907) 343-7904 (24/7).
4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather
shall be either:
a. Opened and Closed on the same day, or
b. Covered, sealed, and heated to prevent freezing
•
Special Provisions:
1. The Engineer needs to do an additional test hole prior to the construction of the septic field. Construction may
I proceed at your own risk before the 7 day water monitoring is complete. Please submit stamped and signed
results with the As-built Inspection Report. If the results require a design change, construction of the system will
stop pending On-Site review and approval.
2. If an existing well is located on the property, it is to be decommissioned by a certified well driller or pump
installer.
3. Per the current code, the first compartment of the tank is to have a manhole riser.
La
Received By: 6,,;,..................... .,,.....--
Date: 9//4/19
Issued By: jizA .----7,1¢------- Date: 61/6{ q
- GUY15
MUNICIPALITY OF ANCHORAGE
•
Development Services Department Phone: 907-343-7904
On-Site Water &Wastewater Section � Fax: 907-343-7997
ON-SITE SEPTIC/WELL PERMIT APPLICATION
Parcel I.D. 05105310
Property owner(s) NORPEAK PROPERTIES Day phone 980-1224
Mailing address 24251 SUNNY SIDE
Site address 24251 SUNNY SIDE
Legal description (Sub'd., Block & Lot) LAKE HILLACRES LOT 5 LESS W 80'
Legal description (Township, Range & Section)
Lot Size 19,500 Sq. Ft. Number of Bedrooms 3
APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING:
(®all that apply)
Absorption Field El Initial ❑ Single Family (SF) ❑
(w/wo ADU)
Septic Tank Upgrade
Duplex (D) ❑
Holding Tank ❑ Renewal Multiple Dwellings ❑
Privy (i (SF and/or D)
Private Well ❑
Water Storage n
THIS APPLICATION INCLUDES A WAIVER REQUEST FOR:
LEACHFIELD TO PROPERTY LINE Distance:2
I certify that the above information is correct. I further certify that this is in accordance with
applicable Municipal Codes.
(Signature of property owner or authorized agent)
Permit/Rush Fees: • • Waiver Fees:
Date of Payment: ; MEM Date of Payment:
c^�
Receipt Number: c--P ri .) Receipt Number:
Permit No. OS06112D-1 (c) Waiver No.
G:\Development Services\Building Safety\On Site Water and Wastewater\Forms\Client Forms\Permit Application.doc
Municipality of Anchorage '`ckuuis^
, .
��..
P.O. Box 196650 • 4700 Elmore Road
Anchorage, Alaska 99519-6650 • (907) 343-7904 • Fax (907) 343-7997
http://www.muni.orq/Onsite
Development Services Division
On-Site Water and Wastewater Program
**** VARIANCE/WAIVER REVIEW ****
Waiver#: OSV181021 COSA#: Permit#: OSP181089
PID#: 051-053-10
Legal Description: Lake Hill Acres Lt 5 Less W80'
Engineer: CM Engineering
Applicant: Norpeak Properties
Your request for a waiver of the required 10 feet horizontal separation from the absorption field
to the property line has been approved. The approved separation distance is 2.0 feet.
This waiver approval applies to the proposed absorption field only. Any future upgrade to the
on-site wastewater disposal system will require all separation distances be met or another
approval from this department.
Waiver is Granted: X Waiver is not Granted:
Date: 0//5 Approved by: /4S-6,--
Name
Name of Reviewe
**** VARIANCE/WAIVER REVIEW ****
4� U HdopAu Ty OF 'ANCH * r' AGE
4h
•
Oi
'`' 5Community Development Department .
Phone: 907-343-7904.,.Development Services Division
Fax: 907-343-7997
On-Site Water & Wastewater Program
ON-SITE SEWER/WELL PERMIT APPLICATION
Parcel I.D. oc I 05 I V
0P,► Ac P'o??tk-riE5 .
Property
owner(s) Day phone q WO— 1)', 1(
Mailing address a U 5 j 9_4//t// . 510 E.-
Site
Site address 51 5(/
Legal description (Sub'd., Block & Lot) /I?E * ?LL AC P_ES LO I
S L e ss (A) so'
Legal description (Township, Range & Section)
Lot Size (,/- 5c90 Sq. Ft. Number of Bedrooms .3,
APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING:
(®all that apply)
Absorption Field k] Initial Single Family (SF) E
(w/wo ADU)
Septic Tank E] Upgrade ■
61 8 9 EIDuplex (D)
Holding Tank ❑ Rene 'ah 71
„ - ?� Multiple Dwellings E
Privy ❑ -P (SF and/or D)
Private Well El =
n
Water Storage ❑
la. ti
c :\cu
THIS APPLICATION INCLUDES A VARIAN l. 11/ ! 1 I �-EQUEST FOR:
LMCW I•EG5 -Tp PRe,Pcf? T ' L-T/t/� Distance: ,-
I certify that the above information is correct. I further certify that this is in accordance with
applicable Municipal Codes.
r.—
/ 7
(S :-- ure of property owner or authorized agent)
Permit/Rush Fees: n`i Waiver Fees: 2 i5
Date of Payment: 5111-1116 Date of Payment: 5t itl(G8
Receipt Number: 0155CoO1) Receipt Number: 015?O0b
Permit No. 06p['$JOd Waiver No. MVI 21621
Permit App_9-1-12.doc
�JH`'�PAII\Y 4p MUNICIPALITY OF ANCHORAGE mens
/ On-Site Water&Wastewater Program �o
, PO Box 196650 4700 Elmore Road a� 1.
Anchorage,Alaska 99519-6650 Phone:(907)343-7904 Fax: (907)343-7997
http://www.muni.orgionsite C;' °
r�
epartmcnt
a�CHON pVE
On-Site Water & Wastewater System Permit
Permit Number: OSP181089 Effective Date: 6/4/2018
Work Type: WellSeptic Initial Expiration Date: 6/4/2019
Tax Code Number: 05105310000
Site Legal Address: LAKE HILL ACRES LT 5 LESS W80' G:1561
Site Mailing Address: 24251 SUNNYSIDE DR, Chugiak
Owner: NORPEAK PROPERTIES LLC Lot Size in Sq Ft: 19500
Design Engineer: C & M Engineering Total Bedrooms: 3
This permit is for the construction of:
❑ Disposal Field Il Septic Tank 0 Holding Tank ❑ Privy Ii Private Well 0 Water Storage
All construction shall be in accordance with:
1. The attached approved design.
2. All requirements specified in Anchorage Municipal code Chapters 15.55 and 15.65 and the State of Alaska
Wastewater Disposal Regulations (18AAC72)and Drinking Water Regulations (18AAC80)
3. The wastewater code requires inspections during the installation. The engineer shall notify the Development
Services Department per AMC 15.65. Provide notification by calling (907) 343-7904 (24/7).
4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather
shall be either:
a. Opened and Closed on the same day, or
b. Covered, sealed, and heated to prevent freezing
Special Provisions:
The Engineer needs to do an additional test hole prior to the construction of the septic field. Construction may
proceed at your own risk before the 7 day water monitoring is complete. Please submit stamped and signed
results with the As-built Inspection Report. If the results require a design change, construction of the system will
stop pending On-Site review and approval.
Received By: Date: /
Issued By: G� . l/VG•7 Date: 6/ S
C&M ENGINEERING SERVICES
Ph: 907-854-5558
Municipality of Anchorage
Onsite Water&Wastewater Program
4700 Elmore Rd Anchorage, Ak 99507
RE: Proposed Septic System modification for Lake Hill Acres Lot 5
Dear Reviewer,
The above referenced property is currently served by an older, undocumented septic system and
unknown water supply. The owner is performing a significant remodel on the property and would like to
install a new septic system and private well.
We are proposing to install a 1250 gallon STEP tank, and a new drain field. If an old tank is discovered. it
will be decommissioned per moa requirements. The undocumented leachfield will be abandoned in
place.
An existing well was not located on the property and the water supply was unknown. A new well is
proposed as shown on the site plan and will be installed by a certified well driller.
Our review of available documentation and field investigation show that this project will not adversely
impact any nearby Wells. Wastewater disposal systems, replacement disposal sites. or drainage flowing
onto and off the subject property.
Included with this letter is a permit application and design package, including plans, specifications,
calculations, and soils logs.
Thank you for your time in reviewing this permit request. Please do not hesitate to contact me at 907-854-
5558 or by email cgbalzarinigmail.com with any questions or concerns.
Sincerely,
C•- les : : ini, P.
//
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SEPTIC .••.....•l I /
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61 CHARLES G BALZARINT
•KE HILL ACRES LAKE HILL ACRES \ fO��FC•• CE-13$5f1,����AV
Ale
LOT 9
UNDEVELOPED / • E HILL ACRES i LOT 8 /�`Fjf7• :7�.... ��. AMY
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SYS.REOUIRES 'V ®TH•1
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SEPTIC • SYSTEM ?)
AREA
NEW 1250 GAL STEP TANK
LAKE HILL ACRES 0
LAKE HILL ACRES LOT 5
LOT 5 GARAGE 100'NEIGHBORING
WEST 60' 3 BR
WELL RADIUS CD
SINGLE
NO VISIBLE/DOCUMENTED FAMILY W
WELL OR SEPTIC DWELLINGCC
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UNDEVELOPED KE HILL ACRES �jLHARLES G BALZARINLOT 7 • CE4c,(SERV:DBYLOT6SEPTIf%\,J) � ' ••�_ �
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5x25 RESERVE AXE HILL ACRES
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SYS,REQUIRES El 03
AWWTS UNDOCUMENTED 0
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AREA
NEW 1250 GAL STEP TANKv'Iii: o Q
__ LAKE HILL ACRES CL
LAKE HILL ACRES . LOT 5
LOT 5 GARAGE 100'NEIGHBORING o
WEST 80' 3 BR WELL RADIUS
ORT SINGLE
NO VISIBLE/DOCUMENTED FAMILY - - - IX
W
WELL OR SEPTICli DWELLING
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LEGEND EE
o CLEANOUT 0
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• MONITOR TUBE 0
Q
® TEST HOLE Z
PROPOSED WELL J
O
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NOTES: WU
1.THE PROPOSED SEPTIC SYSTEM IS GREATER THAN: Et
Et
100'FROM ANY PRIVATE WELLS 4:4, W
200'FROM ANY PUBLIC WELLSLAKE HILL ACRES co
LAKE HILL ACRES L)
100'FROM ANY SURFACE WATER LOT 2 LOT 1 SEPTIC Z S
LA
50'FROM ANY STEEP SLOPES AREA
5'TO ANY TEST HOLES
Waco
2.LAYOUT BASED ON AVAILABLE SURVEY DATA Z p
CONTRACTOR TO FLAG LOT LINES,WELL RADII,AND EASEMENTS U rn
PRIOR TO CONSTRUCTION. Z
W
3.NEW CODE REQUIRES TANK BE INSTALLED FURTHER THAN 10' 2
FROM FOUNDATION. oo
I ecoT r k 0
C&M ENGINEERING SERVICES
Ph: 907-854-5558
SPECIFICATIONS FOR ONSITE SEPTIC SYSTEM - MOA CERTIFIED INSTALLER
LEGAL: Lake Hill Acres Lot 5
April, 2018
A. GENERAL
1. The septic design is for a 3 bedroom, single family residence only.
2. The site plan and drawings shall be a part of this specification.
3. The Wastewater system shall be installed by a certified installer in accordance All
materials and workmanship shall meet the Anchorage Department of Health and
State Department of Environmental Conservation requirements.
4. All soil tests are advisory to the design and are to be verified or modified in the field
by the engineer. The engineer shall perform percolation tests and groundwater
monitoring prior to finalizing design. An additional Test hole and percolation test is
required during construction.
5. All excavations and depths are advisory and are to be verified in the field by the
contractor to meet Municipality of Anchorage, Department of Environment of
Conservation requirements.
6. It is the responsibility of the owner to obtain all necessary permits or easements and
to locate any adjacent multi-family wells. A licensed surveyor should locate all
nearby lot lines, easements, exact 100' radius from the existing and neighboring on-
site wells, and any nearby surface water.
7. The excavation is to be exactly in the area shown on the site plan, any deviation
requires engineer approval.
8. Any remaining open test hole excavations shall be filled and monitor tube removed,
after construction of the Drainfield.
9. The contractor shall familiarize himself with the new code requirements for
inspection notification and notify the engineer at least 24 hours prior to beginning
work.
10. The contractor shall set the grades for the tank and leach field prior to commencing
work to ensure gravity flow is acheived.
B. SEPTIC TANK
1. Septic tank shall be a fiberglass or steel, 1250 gallon Step tank of MOA approved
construction. Installed to meet MOA requirements.
2. Install a foundation cleanout within 5' of the foundation.
3. Install a 2" sch.40 pvc line from the tank.
4. A combination of soil and 2" minimum of insulation shall be placed over the tank, to
prevent ponding and promote drainage. The insulation shall be rated for burial and
meet moa requirements.
5. The Step tank shall be equipped with a PF3005 High Head Effluent Pump. Wired
and installed in accordance with MOA Standards and code requirements.
C. DRAINFIELD
1. The Drainfield is to be located as shown on the site plan. Notify Engineer of any
changed site conditions.
2. The total depth of the initial drainfield excavation is to be at maximum 8' deep
Bottom of excavation shall be level +/- 1.5" max. If bedrock or inconsistent soils are
encountered, notify the engineer immediately.
3. In the event of over-excavation, a moa filter sand shall be used to maintain the 6'
separation distance from the bottom of each trench to the bottom of the test
hole(s).The top of the sand layer shall be level, plus or minus 0.5", and raked, prior
to placing sewer rock. Care shall be taken to not compact the sand.
4. A 4 foot effective layer of sewer rock is to be placed in the each trench. The 4"
effluent piping is to be buried within the gravel layer with 2" of sewer rock cover over
the piping.
5. The Distribution pipe shall be 1.25" sch. 40 pvc pipe with 1/8" holes drilled at 2' on
center.
6. The complete Drainfield gravel and piping is to be covered with a geotextile filter
fabric.
7. Soil or combination of soil and extruded board insulation to a depth of 3' or
equivalent is to be placed over the drainfields. Mounded side slopes shall not to
exceed 3:1. The minimum insulation thickness shall be 2". Insulation shall be moa
approved and rated for burial.
8. The septic tank and leachfield must not be closer than 100' to any existing private
well, 150' to any Class "C" well, or 200' to any community well.
9. The soils at this site may contain fines such as silt and clay. Rake sidewalls and
bottom of trench to remove any smears from excavation.
10. Install drainfield as high as possible in the soil column, while maintaining gravity flow.
There is a relatively narrow band of adequate receiving soils.
C&M ENGINEERING SERVICES
907-854-5558
Septic Design Calculations
Residence: Lake Hill Acres Lot 5
RESIDENCE/LOT INFO
number of bedrooms 3 br
Water usage/bedroom 150 gpd/br
Water Usage 450 gpd
DRAINFIELD
system type: Conventional
type: Shallow Trench
Application Rate 0.6 gpd/sqft
required absorption area 750 sqft
trench width(W) 5 ft
gravel depth(D) 4 ft below distribution pipe
Shallow Trench Factor 0.5
Min Required Length: 75 ft (Shallow trench factor* Required
absorption area/W)
Total Excavation Depth: 8 ft
Cover: 3 ft min
Insulation: 2" blueboard
Use Length: 75 ft
Effluent Pipe: 4"ASTM 3034
Design Summary
System type: Conventional
Tank: 1250 gal step
New Drainfield: 5'x75'x4' W'xL'xD' shallow trench
Total absorption area: 750 sqft
Calc By: CGB Date: 5/1/2018
p��•9E.�4q•1♦
�
� ••.'� 1
4 9 ♦
00000
•• • ss . •brio! •
/4)• • :
Pump Selection fora Pressurized System -Single Family Residence Project
Parameters
DisdrorgeAssaitlrSize 200 riles 300 i P 1
F 151
TrarsportLeigh 25 feet ,-�
TrarspaIPipe CLass 40
TrarsportLineSize 200 ildles
DisttxingValveModd None _
Maoc Eteva rn Lilt 5 fast
mgt, Z0 fad 250 , '
MariddPipeClass 40 • -
Mail*PlpeSze 125 cries I PF3010 I ,
Nurberdllraisper Cell 2
Latral Leigh 75 feet f ~�
LatralPpeClass 40 `-- `�
latralPipeS¢e 125 ildles ,
OrlfceSize 16 richesd 200 I PF300I I
OrifceSpacig 2 fad L1 __-----..„
Residel Head 5 fast I
,--..._______`
P Nminches es '
Add-alal'FrFr idorlLosses 0 fast p \`\
to
I
Calculations 150
U
WiirtinFlavRafapaOrdce 0.43 gpm A
Ntriter dOriicespaZane 76 ci
TdalFbroRetpaZone 33.7 gum C1 I PF3005 I
NtrrbedLapralspeZme 2 1 11
–,
%Fb�vDiferefa11s1125t0rifCe 9.1 % H
Trarspat.tbcilJ 32 100 �.
Frictional Head Losses
Lcesrinuy1Disdiarge 23 feet
LossinTrarsport 05 fast .1%
Loss
vaLe OD fast 50 .
LossinMarittd 02 feet
Lass in Let:rals 1.0 fad
Loss troop Fkwrrei OA fast
Addai FrdcnLosses 0.0 fast -- ___—_—_ .-___`11111111ww"..
w
Pipe Volumes _
Vd Trarsp ttLile 44 gals 0 0 5 10 15 20 25 30 35 40
VddMaritdd 16 gals Net Discharge(gpm)
VddLabralspeZone 117 gals
TcdVdune 176 gals
Minimum Pump Requirements PumpData Legend
DesiglFbniRat 337 Tin PF3305HigtHeadEtlueiPurp Syst mClive
RdDyra-icHeal 145 fast 30GPM,12HP
115230)1060Hz20W 30 60H PurpCtrve: —
PF3007Hig-IHea1Etluer1Purp PurpOpf rei Raw:
30GPM,3(4HP
230V1063Hz,20463V3060Hz OperafrgPdrt O
PF301OHiglHsad Efuer1Purp Desi,TPcirt 0
30GPM 1H
"7- .....e 230V 1060Hz,200460V3860Hz --
PF 3015 H lip H a d Mani Purp
Cal 30 GPM 1-12HP
230V 1060Hz.200230(460V3060Hz
Orsnco Systems'
incorporated
ci.m.R rhr Wiry the
trbrfd Don IYauunur
Municipality of Anchorage (ENGINEER'S SEAL)
•
Development Services Department �v
On-Site Water and Wastewater Section / r
4700 Elmore St.
• P.O. Box 196650 Anchorage,AK 99519-6650 ......,.••••..
' io
�� .i— WWW.muni.or /onsite_
907 343-7904 1.:.-.;?.‘„` No.Gf:-1'.05"I /v '�
.......)
( ) Y ',1%'-. ``//i6/1�d ' �,4
L
5-Ir- EV
Soils Log - Percolation Test
Performed For: ) E V ► (_)`-1 1-E12 . Date Performed: .7103
Legal Description: LAK t AGQE 5 tor...5 Township, Range. Section:
Slope Site Plan
Depth
N10 � r7 e
1
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2 On
3-
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5- ' 1411,
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8 ; —
WAS GROUND WATER
9- ('
- ENCOUNTERED'? N9
S
10-7CLAyMOVE IF YES.AT WHAT DEPTH? MOVE
Depth to Water After
i/� E
11 /
4/ 1\ Monitoring? /`� E
12- Date: mil/(• _
13- S//S/18
14- Reading Date Gross Time Net Time Depth Net Drop
15- _ 1 /21/I 10.'05 _
16- n — S-°yS? 0
a 0 35 30 a� 5 _ . .--•3/g
17- 3 10:36 0 5 —a/g p
18- 4 1I = 0.6 30 a- ,/ a- 3/
19- S I 07 0 5-or 0
20- b f 1 3 7 17` a- S/$ a.-3/c
PERCOLATION RATE ().:(j minutes/inch) PERC HOLE DIAMETER fj
TEST RUN BETWEEN > FT AND if FT
COMMENTS ?R AS7 O E 9 (J pZ ,v 9 H 7, 044- s ,vl D.t9�S A/v: APP7;3.9-R___
)O ' n iIM J R0/11'4" k.,
PERFORMED BY: (,.f1 24 j'V1 I ( r F'ILZ 41.7 CERTIFY THAT THIS TEST WAS
PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE );//6/1)
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COSA Checklist.docx
COSA Checklist
Legal Description: LAKE HILL ACRES LOT 5 LESS W80’ Parcel ID: 051-053-10
If more than 1 well and/or septic system on lot, provide separate checklist. Structure served by this system ____
A. WELL DATA
Well log is filed with Onsite (or attached)
Date drilled 8/14/2020 Total depth 201 ft
Cased to 201 ft
Sanitary seal is functioning correctly
Wires are properly protected
Casing height (above ground) 18+ in.
Date of flow test for COSA 9/10/2024
Static water level at beginning of test 154 ft.
Well production at time of test 3.4 gpm
Water storage tank volume NONE gallons
Well disinfected for coliform test? Yes No
Coliform bacteria is Negative
Nitrate 1.61 mg/L Nitrate less than MRL (ND)
Arsenic ug/L Arsenic less than MRL (ND)
Collected by Date 9/10/2024
Comments __________________________________________________________________________________
B. TANK DATA
Measured operating fluid level in septic tank *NA
Date of pumping 9/10/2024
Required maintenance completed, if AWWTS
Comments: *STEP TANK / PUMP FLOATS
C. LIFT STATION
Required maintenance completed
Age of lift station 4 years
Lift station material EPOXY STEEL STEP TANK
Comments:
D. ABSORPTION FIELD DATA
Which system tested (date installed) 11/25/2020
ALL standpipes present per record drawing
Total measured depth from existing grade 8.6 ft (max)
Measured depth to pipe invert from grade NA ft (min)
N/A – pressurized field.
Per record drawings, field is insulated.
Monitor tubes (MT) go to bottom of effective. (ED)
If not, state depth into effective
Presoaked required if
(Required if house vacant or field not used for more
than 30 days prior to date of test)
Gallons introduced gallons date
Any rejuvenation treatment (past 12 months) N
If yes, enter date
Adequacy test date 9/10/2024
Results Pass
Fluid depth prior to test 19 in
Water added 450 gal
New fluid depth 25 in
Elapsed time 1440 min
Final fluid depth 19 in
Absorption rate 450 gpd
FIELD STATUS – POST RECOVERY
Effective depth (per record drawings) 48 in (MOA 4’ ED)
Effective depth used 19 in (Final Fluid Depth)
Effective depth (ED) remaining 29 in
Comments/Deficiencies: Approximate total measured depths from existing grade. ED per measurements, visual
observations, MOA records & appears approximate.
COSA Checklist.docx
E. SEPARATION DISTANCES
From Private Well on Lot to: (Please enter distances if less than required or if community well on lot)
Septic Tank/Lift Station on Lot > 100’
Yes if No ft
Neighboring Tank > 100’ Yes if No ft
Absorption Field on Lot > 100’ Yes if No ft
Neighboring Absorption Fields > 100’
Yes if No ft
Community Sewer Main > 75’ Yes if No ft
Community Sewer Manhole/Cleanout > 100’
Yes if No ft
Private Sewer/Septic Line > 25’ Yes if No ft
Holding Tank > 100’ Yes if No ft
Animal Containment > 50’ Yes if No ft
Manure/Animal Excreta Storage > 100’
Yes if No ft
N/A – Served by Community Well (not on lot) or Public Water
From Septic/Holding Tank and Absorption Field(s) on Lot to: (Please enter distances if less than required)
Building Foundations > 10’ Yes if No ft
Tank to Property Line > 5’ Yes if No ft
Field to Property Line > 10’ Yes if No *2.9 ft
Water Main > 10’ Yes if No ft
Water Service Line > 10’ Yes if No ft
Surface Water > 100’ Yes if No ft
Wells on Adjacent Lots:
Private Wells > 100’ Yes if No ft
Community Wells > 200’ Yes if No ft
If tank or field is under driveway comment below
F. ENGINEER’S COMMENTS
*2018 MOA WAIVER #OSV181021
G. CERTIFICATION & STATEMENT OF INSPECTION BY ENGINEER
As certified by my seal affixed hereto and as of the validation date shown below, I verify that my investigation, based
on procedures outlined in the Certificate of On-Site Systems Approval Guidelines, indicates that the on-site water
supply and/or wastewater disposal system appears to comply with applicable Municipal and State codes,
ordinances, and regulations in effect at the time of installation, unless noted otherwise.
Name of Firm FIRST WATER CONSULTING Phone 907-350-9566
Engineer’s Printed Name CURTIS HUFFMAN, PE Date 09/24/2024
Comments: This investigation was completed in compliance with MOA guidelines, regulations,
and best industry practices / methods. The assessment of the condition of the well and septic
applies only to the conditions as of the day tested. The flow and absorption rates may change
due to subsurface conditions that may not be observed from the surface, changes in land use,
local soil characteristics, groundwater levels that may fluctuate during the year, quality of
construction (workmanship & materials), the water usage of the family being served by the
system and maintenance. The operational life of all well and septic systems are subject to
these various and dynamic characteristics and are outside the control of the evaluator of the
well and septic system. Therefore, any or NO estimate of how long a system will function satisfactory
for current or future occupants or guarantee that no unseen encroachments, deficiencies or
discrepancies exist can be given by First Water Consulting &
09/24/24
MUNICIPALITY OF ANCHORAGE Iq
Development Services Department
On -Site Water & Wastewater Section Phone: 907-343-7904
Fax: 907-343-7997
Owner
_Septic Tank:
•Sludge level Inches
Lift station:
Lift Station/Pump Vault
Maintenance Log
Street Address fjo2�� S V
*Pumping: required 5no -Pumping completed es no
*Pump basket cleanedtesno
•Control floats cleaned•Operation satisfactory
Alarm System:
*Effluent filter cleaned es no
•Proper float settings confirmed �esno
64 A00 -i
•Dedicated electrical alarm circuit es no *Audible and visual alarm inside dwelling es Qno
,Alarm system operation satisfacto not satisfacto
Manhole Riser
*Ground water intrusion at riser to tank connection es no
*Ground water intrusion around pipe penetrations es
-Manhole lid: Functionalest no Insulated es no
Other
°Weep hole functional no
Properly Securedes no
°All manufacturer required inspections and maintenance complete es no
Comments:
Qualified Maintenance Provider:
Technician �Q,,
Company— 4 e
Signature
Date of maintenance s
Date j`1 S
y l
Development Services Department f n' Phone: 907-343-7904
On -Site Water &Wastewater Section Fax: 907-343-7997
Parcel I.D. 051 053 10
1
Certificate of On -Site Systems Approval
Expiration Date: �- ''l - X (97- I
GENERAL INFORMATION
Complete legal description Lake Hill Acres Lot 5 Less W80'
Location (site address) 24251 Sunnyside
Current property owner(s) NOrpeak Properties
Mailing address
Real estate agent
2. TYPE OF DWELLING:
F71 Single Family (w/wo ADU)
❑ Duplex
❑ Multiple Dwellings (Single Family and/or Duplex)
3. NUMBER OF BEDROOMS: 3
Day phone
Day phone
1"
, LlI
L °�` 1-71
4. TYPE OF WATER SUPPLY:
TYPE OF WASTEWATER DISPOSAL:
Private Well
0
Private Septic
0
Water Storage
❑
Holding Tank
❑
Community Well
❑
Community
❑
Public Water System
❑
Public Sewer
❑
Waiver request for: Distance:
Received by: Date:
COSA to be released to the engineer, unless otherwise requested by the engineer.
COSA Fee $ "M( co� lb
Date of Payment W) 11,20,�D
Receipt Number. QQ V�21)
COSA# 0SC�Lo �(D�_ (10
Waiver Fee $
Date of Payment
Receipt Number
Waiver #
5. STATEMENT OF INSPECTION BY ENGINEER
As certified by my seal affixed hereto and as of the validation date shown below, I verify that my investigation, based
on procedures outlined in the Certificate of On -Site Systems Approval Guidelines for this application, shows that the
on-site water supply and/or wastewater disposal system is (are) safe, functional and adequate for the number of
bedrooms and type of structure indicated herein. I further verify that based on the information obtained from the
.Municipality of Anchorage files and from my investigation and inspection, the on-site water supply and/or wastewater
disposal system is (are) in compliance with all applicable Municipal and State codes, ordinances, and regulations in
effect at the time of installation.
i
Name of Firm C&M ENGINEERING Phone 8545558
Address 20182 TULWAR
Engineer's Printed Name CHARLES BALZARINI Date 12/5/2020
of a�gsk�lawt
6. DSD SIGNATURE .' ..
W10X0
System #1 Approved for � bedrooms /� ' • ' ' ' ' ' X
I:HARLES G BALZARKi
System #2 Approved for bedrooms ��F���... CE -13854
Disapproved �llpROFE* Ss\6P
Conditional approval for bedrooms, with the following stipulations:
Y OF
ON-SITE
�o
WATER AND rn
z=
PROGRAM
o�
ERV
)Mmm))))
Original Certificate Date: `l
The Municipality of Anchorage Development Services Division (DSD) issues Certificates of On -Site Systems Approval (COSA) based only upon the
representations given in paragraph 5 by an independent professional civil engineer registered in the State of Alaska. The Municipality of Anchorage is
not responsible for errors or omissions in the professional engineer's work.
7. ATTACHMENTS:
COSA Checklist
Septic System Advisory
Well Flow Advisory
COSA Checklist blue sheet
X Nitrate Advisory
Arsenic Advisory
Other
Legal Description: LAKE HILL ACRES LOT 5 LESS W80' Parcel ID: 051 053 10
If more than 1 septic system on lot: COSA Checklist # 1 of 1 Structure served by this system 1
A. WELL DATA
❑ Well log is filed with Onsite (or attached)
Date drilled 2020
Total depth 201 ft
Cased to 201 ft
❑ Sanitary seal is functioning correctly
❑ Wires are properly protected
Casing height (above ground) +18 in.
Date of flow test for COSA 8/14/20
Static water level at beginning of test 167 ft.
Comments well test data from drilling log.
B. TANK DATA
Age of tank(s) 1 years
Tank type/material STEP. epoxy coated steel step tank
Measured operating fluid level in septic tank new
❑ Standpipes/foundation cleanout per record drawing
Date of pumping new
D. ABSORPTION FIELD DATA shallow trench
Which system tested (date installed) 2019
❑ ALL standpipes present per record drawing
Total measured depth from grade ft (max)
Measured depth to pipe invert from grade 8.5 ft (min)
❑ N/A — pressurized field
❑ Monitor tubes go to bottom of effective. If not, state
depth into effective
Well production at time of test 10 gpm
Water storage tank volume NA gallons
Well disinfected for coliform test? ❑ Yes ❑ No
❑ Coliform bacteria is Negative
Nitrate mg/L ❑ Nitrate less than MRL (ND)
Arsenic ug/L ❑ Arsenic less than MRL (ND)
Collected by C.Balzarini
Date of Sample
12//20
C. LIFT STATION
❑ Required maintenance completed
Age of lift station 1 years
Lift station material
Comments: new lift station
Adequacy test date
Results ❑ Pass For bedrooms
Fluid depth prior to test in
Water added gal
New depth in
Elapsed time min
❑ Code -required soil cover over field Final fluid depth in
❑ System presoaked Absorption rate gpd
(Required if vacant for greater than 30 days prior to Any rejuvenation treatment (past 12 months)
date of test) If yes, enter date
Gallons introduced gallons
Comments/Deficiencies: new system testing not necessary
COSA Checklist yellow sheet
E. SEPARATION DISTANCES
From Private Well on Lot to: (Please enter distances if less than required or if community well)
Septic Tank/Lift Station on Lot > 100'
❑✓ Yes
if No
Community Sewer Manhole/Cleanout > 100'
❑✓ Yes
if No
ft
[7 Yes
if No
Neighboring Tank > 100' ✓❑ Yes
if No
ft
Private Sewer/Septic Line > 25' M Yes
if No
Absorption Field on Lot > 100' ❑✓ Yes
if No
ft
Holding Tank > 100' ❑✓ Yes
if No
Neighboring Absorption Fields > 100'
Animal Containment > 50' F/� Yes
if No
✓M Yes
if No
ft
Manure/Animal Excreta Storage > 100'
Community Sewer Main > 75' 2Yes
if No
ft
❑✓ Yes
if No
From Septic/Holding Tank on Lot to: (Please enter distances if less than required)
Building Foundations > 10' ❑✓ Yes if No ft Surface Water > 100'
ft
ft
ft
ft
❑✓ Yes if No ft
Property Line > 5'
❑✓ Yes
if No
ft
Wells on Adjacent Lots:
Absorption Field > 5'
0 Yes
if No
ft
Private Wells > 100' ❑✓ Yes if No.
Water Main > 10'✓❑
Yes
if No
ft
Community Wells > 200' ❑✓ Yes if No
Water Service Line > 10'
❑✓ Yes
if No
ft
If septic tank is under driveway comment below
From Absorption Field on Lot to: (Please enter distances if less than required)
Building Foundation > 10' ❑✓ Yes if No ft If absorption field is under driveway comment below
Property Line > 10'
❑ Yes
if No 2.9
ft
Wells on Adjacent Lots:
Water Main > 10'
❑ Yes
if No
ft
Private Wells > 100'
Water Service Line > 10'
❑✓ Yes
if No
ft
Community Wells > 200'
Surface Water > 100'
0 Yes
if No
ft
F. ENGINEER'S COMMENTS
G. ENGINEER'S CERTIFICATION
l certify that 1 have determined through field inspections and review
of Municipal records that the above systems are in conformance with
MOA COSA guidelines in effect on this date. 12/30/20
COSA Checklist yellow sheet
ft
ft
®✓ Yes if No ft
❑✓ Yes if No ft
419 TH
�JJ • CHARLES G BALZARII • .
r �'F� • . • CE -13854 . • �`�
PROFESStiONA
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