HomeMy WebLinkAboutRABBIT CREEK BLK 1 LT 3Rabbit Creek
Block 1
Lot 3
#017-063-42
MUNICIPALITY OF ANCHORAGE
Development Services Department Phone: 907-343-7904
On-Site Water & Wastewater Section Fax: 907-343-7997
Pump Installation Log
Well Drilling Permit Number: _______________ Date of Issue: ____-____-____
Parcel Identification Number: ____-____-____
Legal Description Block Lot Property Owner Name & Address:
Pump Installation Date: _____-_____-_____
Pump Intake Depth Below Top of Well Casing: __________ feet
Pump Manufacturer’s Name: ___________________________ Pump
Model: _____________________________________
Pump Size: ____________hp
Pitless Adapter Burial Depth: _________ feet
Pitless Adapter Manufacturer’s Name: ________________________
Pitless Adapter Installer: ____________________________
Well Disinfected Upon Completion? XX Yes No
Method of Disinfection: _____________________________
Comments:
Pump Installer Name: __________________________________
Company: ___________________________________________
Mailing Address: ______________________________________
City: ___________________ State: __________Zip: _________
Attention: The pump installer shall provide a pump installation log to On-site within 30 days of pump installation.
On -Site Wastewater Disposal System Permit
MUNICIPALITY OF ANCHORAGE
Development Services Department
On -Site Water & Wastewater Program
4700 Elmore Road, PO Box 196650
Anchorage, AK 99519-6650
Telephone: (907) 343-7904
Permit Number: OSP151322
Tax Code Number: 01706342000
Work Type: Septic Upgrade
Permit Effective Dates: October 27, 2015 to October 26, 2016
Design Engineer: GARNESS ENGINEERING GROUP LTD
Subdivision: RABBIT CREEK
Site Legal Address: RABBIT CREEK BILK 1 LT 3 G:2939
Owner/Address: GAGNON LASCA ANN
PO BOX 112385 ANCHORAGE AK 995112385
Site Mailing Address: 6801 OUR OWN LN, Anchorage
Lot Size in Sq Ft: 46000
Total Bedrooms: 3
This permit is for the construction of:
Y Disposal Field Y Septic Tank N Holding Tank N Privy N Private Well N Water Storage
All construction must 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 must notify the Development Services
Department at least 2 hours prior to each inspection. Provide notification by calling (907) 343-7904 (24 hours).
4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather must either:
A. Open and Close on the same day.
B. Covered, sealed, and heated to prevent freezing.
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Received %
Issued By:
�enr,
0'*3P Municiality of Anchorage at
P O. Box 196650 s 4700 Elmore Road
Anchorage. Alaska 99519-6650 • (907) 343-7904 * Fax (907) 343-7997 epartnent
httbs11www.muni.ora1Onsite
Development Services Division
On -Site Water and Wastewater Program '
*** VARIANCE/WAIVER REVIEW ****
Waiver#: OSV151128 COSA#: Permit#:OSP151322
PID#: 017-063-42
Legal Description: RabbitCreek. Block 1. Lot 3
Engineer: Garness Engineering Group
Applicant: Lasca Gagnon
Your request for a waiver of the following requirements is approved.
1. 50' horizontal separation distance between the drainfield and 25% or greater slopes is
waived to 351
,
2. 6' vertical separation distance between the drainfield and impermeable soils is waived to
4'.
This waiver approval applies to the ,proposed on-site wastewater disposal system only. Any
future upgrade, to the system will require all separation distances be met or another approval
from this department.
n,The affected adjacent property owner(s) have been given a 7 day notice regarding this
waiver. ,
❑ Notarized letter(s) of non -objection have been received from the owner(s) of the affected
adjacent property,
0 Adjacent properties are not affected by this waiver.
....................................:..................................
Waiver is Granted: X Waiver is not Grant :
Dater (/ P Approved by:
me
of Reviewer
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MUNICIPALITY OF ANCHORAGE
Community Development Department Phone: 907-343-7904
Development Services Fax: 907- 343-7997
On -Site Water & Wastewater Program
Mayor Dan Sullivan
On -Site Sewer/Well Permit Application
For A Single Family Dwelling
Parcel I.D.
Property owner(s) LASCA GAGNON Day phone 345-3701
Mailing address P.O. BOX 1
AK 99511
Site address 6801 OUR OWN LANE, ANCHORAGE, AK 99516
Legal description (Sub'd, Block & Lot) RABBIT CREEK S/D; BLOCK 1, LOT 3
Legal description (Township, Section & Range)
Lot Size
Single Family (SF)
APPLICATION IS FOR:
(w/wo ADU)
( ® all that apply)
Duplex (D)
Absorption Field
Multiple Dwellings
Septic Tank
(SF and/or D)
Holding Tank
❑
Privy
❑
Private Well
❑
Water Storage
❑
Sq.Ft. Number of Bedrooms
APPLICATION IS AN:
Initial ❑
Upgrade
Renewal ❑
a
THIS APPLICATION INCLUDES A VARIANCE/ WAIVER REQUEST FOR:
SLOPE WAIVER AND WAIVER TO IMPERMEABLE SOILS
TYPE OF DEWELLING:
Single Family (SF)
(w/wo ADU)
Duplex (D)
❑
Multiple Dwellings
❑
(SF and/or D)
Distance: 35'& 4'
I certify that the above information is correct. I further certify that this is in accordance with
applicable Municipal codes.
GARNESS ENGINEERING GROUP, Ltd.
(Signature of property owner or authorized agent)
Permit/Rush Fees: 5�A
Date of Payment: al -11-1 T
Receipt Number: 0240
Permit No. o5 e t'5 It 3 2Z
Waiver Fees: 0;15
Date of Payment:
Receipt Number: of g5L4(a 6n
Waiver No. 05\(K
(Rev. 01141)
GARNESS ENGINEERING GROUP, Ltd
CIVIL & ENVIRONMENTAL ENGINEERS
August 26, 2015
Ii7
Municipality of Anchorage
Development Service Department
On -Site Water & Wastewater Program
4700 Elmore Road
Anchorage, AK 99507
Ref: Proposed Septic Upgrade for Rabbit Creek S/D; Block 1, Lot 3
To whom it may concern:
The existing 3 bedroom house is served by an undocumented well and septic system. The septic
system does not meet MOA requirements due to soils and groundwater conditions. We had two
(2) test holes excavated on the property and found only one suitable area on the property to
upgrade the septic system. This area is next to the existing well. In order to install an approved
septic system on the property, a new well will need to be drilled on the West side of the property
and a new septic system installed on the East side of the property. In short, the well and septic
sites will need to be swapped. We are performing the design work for CRW Engineering Group,
LLC who is under contract with the Alaska Native Tribal Health Consortium (ANTHC). On August
13, 2015, your department issued an exploratory well permit for the property. This well is in the
process of being drilled and tested to see if it is viable. ANTHC has requested we proceed with
obtaining the septic permit for the property. Due to the site constraints, we are proposing that a
Cat III Aerocell Treatment system be utilized. The drainfield will be designed around the 30 foot
radius of test hole #1. As part of this design, the existing well currently being used for the property
will be permanently decommissioned. Comments regarding the design are summarized as
follows:
1. SOILS: See the attached log which shows the soil classifications, groundwater monitoring,
and the percolation test results.
2. DRAINFIELD DESIGN: See attached design drawing for drainfield specifications.
3. SURFACE WATERS: As can be seen on the design drawing (Page 2 of 5), there are several
areas on the property that have intermittent water and flowing silt that need to be addressed. We
are proposing a drainage swale (lined with drainrock) be installed on the uphill side of the driveway
to insure all weeps coming out the base of the hill stay subsurface. We are unaware of any other
surface waters (within 100 feet of the proposed septic system), other than those noted on the
drawings.
4. TOPOGRAPHY AND SLOPE WAIVER: Based upon the topographical information provided
by ANTHC, the topography below the proposed drainfield ranges from 35 to 45 percent running
approximately North to South. We are proposing that the area below the drainfield be filled and
graded to less than 25% slope, 35 feet downhill from the drainfield. In short, we are requesting a
35 foot waiver to slopes in excess of 25%. See the attached cross section drawing for details.
3701 East Tudor Road, Suite 101 * Anchorage, Alaska 99507-1259
Phone: (907) 337-6179 * Fax: (907) 338-3246 * Website: www.garnessengineering.com
Page 2 of 2
5. WAIVER TO IMPERMEABLE SOILS: We are requesting a 4 foot waiver from the bottom of
the drainfield (drainrock) to the CL soil that was visually classified as impermeable. The following
are mitigating factors for justification of this waiver:
We are proposing to use a Cat III (nitrate reducing) advanced wastewater system. The
effluent going into the drainfield is highly treated and this type of system is used for surface
discharge (with disinfection) in areas outside of the MOA. The Cat III Aerocell treatment
system has a remote monitoring system and will notify the service provider in the event of
a high level condition.
We are proposing that a 2 foot MOA approved sand filter be utilized below the drainrock
to enhance the treatment. After the wastewater passes through the Aerocell media and
then through the 2 feet of sand filter, it is our opinion that the effluent should be at or near
tertiary treatment levels. In short, the wastewater will pass through the Aerocell treatment
system, then through 2 feet of MOA sand filter, and then through 2 feet of native GM
material before the effluent can reach the CL layer.
By granting this waiver, it is our opinion that there is less risk with encroaching on the CL
layer than with requiring the system to be built higher out of the ground. By requiring 6 foot
separation distance to the CL layer, it would require the proposed drainfield to be built so
that the bottom of the drainrock is approximately 1.5 feet above the original grade. This
would require a large increase in the fill needed below the drainfield and also require a
steeper slope bank at the driveway. It is or opinion that there is less risk to granting the
requested waiver than with the possible daylighting of effluent at the driveway.
Based upon the aforementioned mitigating factors, it is our opinion that we have provided
sufficient justification for the waiver requested.
We are unaware of any adverse impacts this installation would have on adjacent wells or septic
systems. If you have any questions, please contact us at 337-6179. Thank you for your
assistance.
M.S.
3701 East Tudor Road, Suite 101 *Anchorage, Alaska 99507-1259
Phone: (907) 337-6179 * Fax: (907) 338-3246 * Website: www. garnessengineering.com
LOT 15, BLOCK 1; I
RADII
--------- -----
LOT 4, BLOCK 1; /' I
EXISTING
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SEQUOIA ESTATES SIDLOT
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STRUCTURE ON i PROPOSEDI
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LOT14 BLOCK 1;
I LOT 13 BLOCK 1 I
12, iCOCK I"
SEQUOA ES ATES SID
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PROPOSED1(
SEQUOIA ESTATES SO
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SEQUOIA ESTATES S/l
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LOT 4, BLOCK 1; /' I
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LOT 3, BLOCK 2; LOT 2, BLOCK 2;
DOCUMENTED WELL i
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(APPROX. LOCATION)
OUR OWN -LANE-
LOT 5A, BLOCK 2;
RABBIT CREEK SID
1
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— — — — — — — — — — — — T — — — —
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EXISTING
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LOT 3, BLOCK 2; LOT 2, BLOCK 2;
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(SEE PAGE 2 OF 5)�
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LOT 4A, BLOCK 2;
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RABBIT CREEK SID
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LOT 3, BLOCK 2; LOT 2, BLOCK 2;
PROPERTYHAS
I RABBITCREEKSID RABBIT CREEK SID
STRUCTURE, BUT NO
WELL OR SEPTIC
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GARNESS ENGINEERING GROUP, Ltd
CIVIL & ENVIRONMENTAL ENGINEERS It.-*
PREPARED FOR: PHONE NUMBER:
PAGE NUMBER:
LASCA GAGNON (907)345-3701
I
1 OF 5
LEGAL DESCRIPTION:
DRAWN BY:
RABBIT CREEK S/D; BLOCK 1, LOT 3
J.L.M.
I., nv 1mnak
DATE: REVISED
SITE PLAN FOR SEPTIC SYSTEM
f 0
PROPOSED I
WELL LOCATION r
GLACIATINGI
FLOWING SILT/
SURFACE RUNOFF
(APPROXIMATE
LOCATION) ON
2/27115 & 3125/15 -�
APPROXIMATE
LOCATION OF
POSSIBLE
SURFACING
EFFLUENT OUT J
SIDE OF HILL...v
ry
1" = 40'
SEPTIC SYSTEM TO BE
)MPLETELY ABANDONED
PROPOSED
WATER LINE
LOCATION
WITH 4" BY 4 FEET
1
EXISTING 10'
3 BEDROOM
TANKS WITH QUANICS
PUMPS AND CONTROLS
(SEE PAGE 3 OF 5) —
SEE CROSS SECTION
SWALE ON UPHILL SIDE OF
DRIVEWAY. ANTHC WILL NEED TO
OBTAIN RIGHT-OF-WAY PERMIT.
(SEE PAGE 4 OF 5 FOR EXAMPLE)
GARNESS ENGINEERING GROUP, Ltd
CIVIL & ENVIRONMENTAL ENGINEERS
PREPARED FOR: PHONE NUMBER:
LASCA GAGNON (907)345-3701
PAGE NUMBER:
2 OF 5
NOTE: PER THE OWNER, THE
GEG, Ltd. HAS A 8 PAGE SPECIFICATION
DESIGN CRITERIA:
)TE: THE CONTRACTOR
1ALL HAVE THE NEW
ELL LOCATION, THE 100
)OT WELL RADIUS FOR
DATE: REVISED
PRESSURE TANK IS IN SOUTHEAST
CORNER OF HOUSE. CONTRACTOR TO
RELOCATE PRESSURE TANK IN HOUSE
LETTER THAT PERTAINS TO THIS DESIGN. TO
OBTAIN A COPY OF THE LETTER CONTACT
GEG. BY PROCEEDING FORWARD WITH THIS
NUMBER OF BEDROOMS: 3
GALLONS PER DAY (GPD): 450
iIS WELL, AND THE
AND REROUTE PLUMBING IN HOUSE
INSTALLATION, THE ENGINEER, WELL DRILLER,
PERCOLATION RATE/S: 8 MINAINCH
EST, SOUTH, AND EAST
)T LINES FLAGGED/
-AKED BY A REGISTERED
NO SURVEYOR PRIOR
AS NEEDED. SEE PAGE 5 OF 5
CONTRACTOR AND PROPERTY OWNER AGREE
THAT THEY HAVE READ THESE
SPECIFICATIONS AND AGREE TO ACCEPT THE
TERMS AND CONDITIONS OUTLINED.
ALLOWABLE APPLICATION RATE: `5.0 GPD/SQ.FT
PROPOSED APPLICATION RATE: -3.0 GPD/SQ.FT.
MINIM UM DRAINEI ELD SQET.: 90
`FOR CAT. III QUANICS AEROCELE SYSTEM
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PROPOSED I
WELL LOCATION r
GLACIATINGI
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SURFACE RUNOFF
(APPROXIMATE
LOCATION) ON
2/27115 & 3125/15 -�
APPROXIMATE
LOCATION OF
POSSIBLE
SURFACING
EFFLUENT OUT J
SIDE OF HILL...v
ry
1" = 40'
SEPTIC SYSTEM TO BE
)MPLETELY ABANDONED
PROPOSED
WATER LINE
LOCATION
WITH 4" BY 4 FEET
1
EXISTING 10'
3 BEDROOM
TANKS WITH QUANICS
PUMPS AND CONTROLS
(SEE PAGE 3 OF 5) —
SEE CROSS SECTION
SWALE ON UPHILL SIDE OF
DRIVEWAY. ANTHC WILL NEED TO
OBTAIN RIGHT-OF-WAY PERMIT.
(SEE PAGE 4 OF 5 FOR EXAMPLE)
GARNESS ENGINEERING GROUP, Ltd
CIVIL & ENVIRONMENTAL ENGINEERS
PREPARED FOR: PHONE NUMBER:
LASCA GAGNON (907)345-3701
PAGE NUMBER:
2 OF 5
LEGAL DESCRIPTION:
DRAWN BY:
RABBIT CREEK S/D; BLOCK 1, LOT 3
J.L.M.
TYPE OF WORK:
DATE: REVISED
DETAIL DRAWING OF SITE CONDITIONS
10/1/2015
MAXIMUM DEPTH: 3FOOT
WIDTH: 8 FEET
LENGTH: 25 FEET
M.O.A. APPROVED SAND FILTER: 2 FEET
EFFECTIVE: 0.5 FEET
ACTUAL SO.FT.: 150
ON
INSTALLING DRAINAGE
SWALE ON UPHILL SIDE
DF HOUSE. (SEE PAGE 5
10F 5, OR EXAMPLE)
ASSUMED WATER LINE
%O4CATION (SEE NOTE)
RETAINING WALL
,U`-
-PROPOSED CAT III
, AEROCELL SYSTEM
SEE PAGE 3 OF 4)
-PROPOSED DRAINFIELD
(SEE PAGE 4 OF 4)
BARRIER ON DOWNHILL
SIDE OF DRAINFIELD
TO BOTTOM OF SEWER
DRAINROCK/TOP OF
— SAND FILTER
EXISTING WELL TO BE
PERMANENTLY
DECOMMISSIONED
'RIOR TO INSTALLATION
OF NEW DRAINFIELD
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TYPE OF WORK:
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PROFILE OF CAT. 11 AEROCELL SYSTEM USING IN' '�TRATOR
TANKS
DATE:
REVISED 10/l/2015
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LASCA GAGNON
GARNESS ENGINEE RING GROUP
Ltd
PRGNE07) 345-3701
'IT"66 �'�"'+ft11 ' "'gal CIVIL & ENVIRONMENTAL ENGIN EERS'�'!. �'s~°9':s ana,
1
PAGE
P/�GE NUMBER:
E. T1113MR
3]01E. TUDOR ROAD, SUITE 101'ANCHOFAGE, qK 995W'PHONE 9W 33861]9'FA%99]3393246'WEB31TE:www. amesu leen .mm
4 OF 5
LEGAL DESCRIPTION:
DRAWN BY:
J.L.M.
RABBIT CREEK S/D; BLOCK 1, LOT 3
TYPE OF WORK:
DETAIL DRAWING OF PROPOSED DRAINFIELD AND EXAMPLE DRAINAGE
SWALE
DATE:
REVISED
10/26/
15
EXISTING
PROPOSE REGRADING AREA BEHIP
HOUSE AND SLOPING AWAY FROA
HOUSE AND INSTALL DRAINAGE
SWALE AT BASE OF SLOPE TO DIRE
WATER AWAY FROM FOUNDATIOt
'4'OF BOARD INSULATION
BY 4 FEET WIDE CENTERED
OVER WATERLINE �
PROPOSED WATER
6 FEET DEEP WITH 4" OF INSULATION
OR 10 FOOT BURIAL WITH NO INSULATION
(WHICHEVER THAT CAN BE ACHIEVED FIRST)
FOUNDATION PENETRATION. CONTRACTOR
SHALL PENETRATE FOUNDATION FOR NEW
WATER LINE AND INSTALL WATERPROOFING
(BITUTHANE, BENTONITE, ETC.) AS NEEDED
TO INSURE FOUNDATION IS WATER TIGHT. -
FLOOR JOISTS
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`NOTE: ARCTIC PIPE WITH HEAT TRACE
CAN BE SUBSTITUTED INSTEAD OF
USING BOARD INSULATION IF NEEDED.
GARNESS ENGINEERING GROUP, Ltd
CIVIL & ENVIRONMENTAL ENGINEERS
9700E. TUDOR ROAD.SUITE 101'ANCHORAGE, AK9007-PHONE (9P70374179' FN(907)330-32L'WEBSITE. wnvg am,s ngmemgwm
PREPARED FOR: PHONE NUMBER: PAGE NUMBER:
LASCA GAGNON (907)345-3701 5 OF 5
LEGAL DESCRIPTION: DRAWN BY:
RABBIT CREEK S/D; BLOCK 1, LOT 3 J.L.M.
TYPE OF WORK: DATE:
DETAIL DRAWING OF WATERLINE -FOUNDATION 8/26/2015
�OFESSId��i
r
GARNESS ENGINEERING GROUP, Ltd
-' - -----' -----�-- CIVIL & ENVIRONMENTAL ENGINEERSc� l
3101 ET MR ROAD, SUITT IDI'ANCHORAGE. AS e15D7' PHONE 007) 337 5179 - W JSD71336 246'WEBSITE:w gamessengneenng ttm
SOIL LOG - PERCOLATION TEST
LEGAL DESCRIPTION: RABBIT CREEK S/D: BLOCK 1. LOT 3
PERFORMED FOR: LASCA GAGNON
DEPTwo
(feet3 _6" ORGANICS
1
5/6/2015
TEST HOLE #2
7
8
9
10
11
12
13
14
15
16
17
18
DEPTH TO
GROUNDWATER
DATE
DRY
5/6/2015
DRY
SOIL
CLASSIFICATIONS
5/20/2015
2:45
-
6"
2
2
3:15
30
1/4"
5-3/4"
° o
=__=
----
3
6"
-
GM
GW
GP
ORG
ML
®-
1"
5"
5
3:45
-
6"
GM
CL
4
4:15
30
1"
5"
GC
OL
�
D p '00
ee s
SW
SP
MH
CH
�///OH
6Inn
CL W/ SOME GRAVELM-o.
(IMPERMEABLE)SC
SM
7
8
9
10
11
12
13
14
15
16
17
18
DEPTH TO
GROUNDWATER
DATE
DRY
5/6/2015
DRY
5/8/2015
5'
5/20/2015
2:45
-
DATE
READING
CLOCK
TIME
NET TIME
(MINUTES)
WATER LEVEL
READING
NET DROP
(INCHES)
5/8/2015
1
2:45
-
6"
2
3:15
30
1/4"
5-3/4"
3
3:15
6"
-
4
3:45
30
1"
5"
5
3:45
-
6"
"
6
4:15
30
1"
5"
PERCOLATION RATE 6 (MIN./INCH) PERC. HOLE DIA. 6 (INCHES)
19
TEST RUN BETWEEN 2 FT. AND 3 FT.
20 A FOUR HOUR PRESOAK WAS PERFORMED: ® YES ❑ NO
SOILS LOGGED BY: JODY MAUS PERCOLATION TEST PERFORMED BY: ERIK WIDGER
f nMMFNTS- PERCOLATION READINGS ARE WITHIN 1/16 OF INCH.
PERFORMED BY GEG, Ltd. I, JEFFREY A. GARNESS, CERTIFY THAT THIS WAS P RFRMED IN ACCORDANCE
WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: , /
GARNESS ENGINEERING GROUP, Ltd
CIVIL& ENVIRONMENTAL ENGINEERS— ----_--l--
SUM -
E.�-])Oi E�TIIC'J0.0.0AO, SUM 101'AN.^.HOPpGE, PN 9850)' 1X° 199)133781)9 99)133P 6'W= ff E:w game gil—llnom ➢--
SOIL LOG - PERCOLATION TEST
LEGAL DESCRIPTION: RABBIT CREEK SID; BLOCK 1, LOT 3
PERFORMED FOR: LASCA GAGNON DATE: 51612015
DEPTH
DATE
2'
5/6/2015
3"_6" ORGANICS
TEST HOLE #1
---=
2'
5/20/2015
1
PE��ORM�OOJ�
00�
GOJ�
Gp PA\O�
QER
NO
SOIL CLASSIFICATIONS
2—
GM/ML GORG
_
SATURATED
3IT�o
q;;e GP ML
FROM SURFACE
GM CL
4
GC OL
°o oma o� SW MH
5
S � : SP CH
CL W/ SOME GRAVEL SM �'// OH
SC
6(IMPERMEABLE)
7
8
9
10
11
12
13
14
15
16
17
18
19'
DEPTH TO
GROUNDWATER
DATE
2'
5/6/2015
1.5'
5/8/2015
2'
5/20/2015
I SITE PLAN I
P�
Q�
5�
�O
Q�
cgo N
SCALE:
1' = 100'
DATE READING CLOCK NET TIME WATER LEVEL
NET DROP
TIME (MINUTES) READING
(INCHES)
P P.1E0
PE��ORM�OOJ�
00�
GOJ�
Gp PA\O�
QER
NO
PERCOLATION RATE 6 (MIN./INCH) PERC. HOLE DIA. 6 (INCHES)
TEST RUN BETWEEN 2 FT. AND 3 FT.
20 1 A FOUR HOUR PRESOAK WAS PERFORMED: E YES ❑ NO
SOILS LOGGED BY: JODY MAUS PERCOLATION TEST PERFORMED BY: ERIK WIDGER
COMMENTS: AREA AROUND THIS TEST HOLE IS NOT SUITABLE FOR ONSITE SEPTIC SYSTEM.
PERFORMED BY GEG, Ltd. I, JEFFREY A. GARNESS, CERTIFY THAT THIS WAS PE FORT ED IN ACCORDANCE
WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: .3 !S
On -Site Water System Permit
MUNICIPALITY OF ANCHORAGE
Development Services Department
On -Site Water & Wastewater Program
4700 Elmore Road, PO Box 196650
Anchorage, AK 99519-6650
Telephone: (907) 343-7904
Permit Number: OSP151250
Tax Code Number: 01706342000
Work Type: Well Upgrade
Permit Effective Dates: August 13, 2015 to August 12, 2016
Design Engineer: GARNESS ENGINEERING GROUP LTD
Subdivision: RABBIT CREEK
Site Legal Address: RABBIT CREEK BILK 1 LT 3 G:2939
Owner/Address: GAGNON LASCA ANN
PO BOX 112385 ANCHORAGE AK 995112385
Site Mailing Address: 6801 OUR OWN LN, Anchorage
This permit is for the construction of:
N Disposal Field N Septic Tank N Holding Tank
Lot Size in Sq Ft: 46000
Total Bedrooms: 3
N Privy Y Private Well N Water Storage
All construction must 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 must notify the Development Services
Department at least 2 hours prior to each inspection. Provide notification by calling (907) 343-7904 (24 hours).
4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather must either:
A. Open and Close on the same day.
B. Covered, sealed, and heated to prevent freezing.
Special Provisions:
13his permit is for an exploratory well. A well pump shall not be installed until a septic system
permit for the subject property has been issued.
23he existing drainfield shall be decommissioned prior to drilling the exploratory well.
3.The existing septic tank shall only be used as a holding tank until such time that a new
approved septic system is available to treat the domestic wastewater associated with the subject
property.
4.Prior to drilling the exploratory well, the topography of the ground between the well and
existing septic tank shall be modified as needed to ensure any surface sewage spills associated
with the existing septic tank and/or proposed holding tank are not able to contaminate the well.
Received
Issued By
MUNICIPALITY OF ANCHORAGE
Community Development Department Phone: 907-343-7904
Development Services Fax: 907- 343-7997
On -Site Water & Wastewater Program
Mayor Dan Sullivan
On -Site Sewer/Well Permit Application
For A Single Family Dwelling
Parcel I.D. 61111� de .Y -y2
Property owner(s) LASCA GAGNON Day phone 345-3701
Mailing address P.O. BOX 112385, ANCHORAGE, AK 99511
Site address 6801 OUR OWN LANE, ANCHORAGE, AK 99516
Legal description (Sub'd, Block & Lot ) RABBIT CREEK S/D; BLOCK 1, LOT 3
Legal description (Township, Section & Range)
Lot Size Sq.Ft. Number of Bedrooms 3
_.
APPLICATION IS FOR: APPLICATION IS AN:
TYPE OF DEWELLING:
(®all that apply) Initial ❑
Absorption ❑
Single Family (SF)
Field
Upgrade Z
(w/wo ADU)
Septic Tank ❑ Renewal
Duplex (D)
F-1❑
Holding Tank ❑
Multiple Dwellings
❑
Privy ❑
(SF and/or D)
Private Well ® EXPLORATORY
Water Storage ❑
THIS APPLICATION INCLUDES A VARIANCE/ WAIVER REQUEST FOR:
Distance: —
I certify that the above information is correct. I further certify that this is in accordance with
applicable Municipal codes.
GARNESS ENGINEERING GROUP, Ltd.
(Signature of property owner or authorized agent)
Permit/Rush Fees: ntl'5 _ Waiver Fees:
Date of Payment: 71I� 7J/_ `.7 (A"�]r Date of Payment:
Receipt Number: C 01PVN% Receipt Number:
Permit No. %P1'5ja5D Waiver No.
(Rev. 01/11)
GARNESS ENGINEERING GROUP, Ltd
CIVIL & ENVIRONMENTAL ENGINEERS
August 12, 2015 (REVISED)
Municipality of Anchorage
Development Service Department
On -Site Water & Wastewater Program
4700 Elmore Road
Anchorage, AK 99507
Ref: Exploratory Well Permit for Rabbit Creek S/D; Block 1, Lot 3
To whom it may concern:
The existing 3 bedroom house is served by an undocumented well and septic system.
The septic system does not meet MOA requirements due to soils and groundwater
conditions. We had two (2) test holes excavated on the property and found only one
suitable area on the property to upgrade the septic system. This area is next to the
existing well. In order to install an approved septic system on the property, a new well will
need to be drilled on the West side of the property and a new septic system installed on
the East side of the property next. In short, the well and septic site will need to be swapped
on the property. We are performing the design work for CRW Engineering Group, LLC
who has a contract with Alaska Native Tribal Health Consortium (ANTHC) who is paying
for the approved upgrades. Per their request, they would like to drill an exploratory well
on the property first to see if the well will be sufficient for the residence prior to proceeding
with the septic system permittinq and installation.
Per Jeff Stanley, P.E. with CRW, they would like to drill the well within the next 2 to 3
weeks and if successful, they would proceed with obtaining a septic permit and install the
new septic system 4 to 6 weeks later. Based upon our recent meeting with your
department to discuss this project, due to the close proximity of the proposed well location
to the existing drainfield, it was agreed that a special condition of the exploratory well
permit would be that the existing drainfield would need to be physically disconnected from
the septic tank and that the existing septic tank be used a holding tank. From the time the
well is drilled until the new septic system can be installed, the septic tank will be used as
a holding tank and be pumped out in regular interval (assumed every 4 to 7 days). We
request you make this a special provision on the exploratory well permit. We have
attached the preliminary site plan and design drawings for the proposed septic upgrade
which shows the proposed well location. We will submit the full design package after the
3701 East Tudor Road, Suite 101 *Anchorage, Alaska 99507-1259
Phone: (907) 337-6179 * Fax: (907) 338-3246 * Website: www.garnessengineering.00m
Page 2 of 2
well is drilled and the status of this new well is confirmed. We have also attached the two
soil logs excavated on the property for your review.
We are unaware of any adverse impacts this installation would have on adjacent wells or
septic systems. If you have any questions, please contact us at 337-6179. Thank you
for your assistWce.
P.E., M.S.
3701 East Tudor Road, Suite 101 *Anchorage, Alaska 99507-1259
Phone: (907) 337-6179 * Fax: (907) 338-3246 * Website: www. garnessengineering.com
NOTE: THE CONTRACTOR
NOTE: PER THE OWNER, THE
PROPOSED DRAINFIELD
GEG, Ltd. HAS A 8 PAGE SPECIFICATION
DESIGN CRITERIA:
SHALL HAVE THE NEW
`_PROPOSED CAT III
PRESSURE TANK IS IN SOUTHEAST
•`�-.AEROCELL SYSTEM
-- PAGE 3 4)
LETTER THAT PERTAINS TO THIS DESIGN. TO
NUMBER OF BEDROOMS' 3
WELL LOCATION, THE 100
FILLED AND
CORNER OF HOUSE. CONTRACTOR
BRADED TO LESS THAN
OBTAIN A COPY OF THE LETTER CONTACT
. ,,y.PERMANENTLV
FOOT WELL RADIUS FOR
NAVE TOPSOIL PLACED ON
CED
TO RELOCATE PRESSURE TANK IN
SLOPES &VEGETATED
DEC. BY PROCEEDING FORWARD WITH THIS
GALLONS PER DAY (GPD): 450
THIS WELL, AND THE
GARAGE AND REROUTE PLUMBING
INSTALLATION, THE ENGINEER, WELL DRILLER,
PERCOLATION RATE/S: 6MINJINCH
WEST, SOUTH, AND EAST
IN HOUSE AS NEEDED._
CONTRACTOR AND PROPERTY OWNER AGREE
ALLOWABLE APPLICATION RATE: *5.0 GPDm.FT
-- --- _..,,. ....... '-
LOT LINES FLAGGED!
THAT THEY HAVE READ THESE
PROPOSED APPLICATION RATE: -3.0 GPDfSQ.FT.
BY A REGISTERED
_.- ., �`"�,-.,-
�--. .`.-`----\�`
S PECIFICATIONS AND AGREE TO ACCEPT THE
MINIMUM DRAINFIELD SQ.FT.: 90
LAND SURVEYOR PRIOR
_.........-
..
...:..::: ............ ------.------
TERMS AND CONDITIONS OUTLINED.
'FOR CAT. III QUAN ICS AEROCELL SYSTEM
NOTE: CONTRACTOR TO
INSURE THAT NO SEWER
HORIZONTALLY OF THE
ROBBING. THERE MUST
18" VERTICAL
PROPOSED
WELL LOCATION
GLACIATING/
FLOWINGSILT/
SURFACE RUNOFF
(APPROXIMATE
LOCATION) ON
2/27115 & 3/25/15 -I
APPROXIMATE
LOCATION OF
POSSIBLE
SURFACING
EFFLUENT OUT
SIDE OF HILL.tti
MAXIMUM DEPTH: 3 FOOT
WIDTH: 8 FEET
LENGTH: 20 FEET
M.O.A. APPROVED SAND FILTER: 2 FEET
EFFECTIVE: 0.5 FEET
ACTUAL SQ.FT.: 160
GARNESS ENGINEERING GROUP Ltd I ,
CIVIL & ENVIRONMENTAL ENGINEERS
•
1.
PREPARED FOR: PHONE NUMBER:
,� AB9{1MIED WATER LINEi2tf7m=
PROPOSED DRAINFIELD
`'.SRGATJON (SEE NOTE)'.,E'X,1�T•NG
I
n' �!'''' ' +'. �.-���•.
`_PROPOSED CAT III
'?�
- - •`:; F:ri �, �'+-i_i
•`�-.AEROCELL SYSTEM
-- PAGE 3 4)
_ iii i r iy_'!..�M�
by
4SEE OF
`AREATOTB
�y<�
'-••."-`�""' y
FILLED AND
WELL TO BE
BRADED TO LESS THAN
,
. ,,y.PERMANENTLV
GARNESS ENGINEERING GROUP Ltd I ,
CIVIL & ENVIRONMENTAL ENGINEERS
•
1.
PREPARED FOR: PHONE NUMBER:
TW •
PROPOSED DRAINFIELD
*, .... .(SEE PAGE 4 OF 4)
I
n' �!'''' ' +'. �.-���•.
`_PROPOSED CAT III
'?�
- - •`:; F:ri �, �'+-i_i
•`�-.AEROCELL SYSTEM
-- PAGE 3 4)
_ iii i r iy_'!..�M�
by
4SEE OF
`AREATOTB
�y<�
'-••."-`�""' y
FILLED AND
DATE:
BRADED TO LESS THAN
.
-25% SLOPE ANDATHAN
• `.,,
NAVE TOPSOIL PLACED ON
CED
., - ."'...,,- '
�
.................
����
SLOPES &VEGETATED
� �
' ".-."'....
� (SEE PAGE 40F 4)
GARNESS ENGINEERING GROUP Ltd I ,
CIVIL & ENVIRONMENTAL ENGINEERS
•
1.
PREPARED FOR: PHONE NUMBER:
PAGE NUMBER:
LASCA GAGNON (907)345-3701
2 OF 4
LEGAL DESCRIPTION:
DRAWN BY:
RABBIT CREEK SID; BLOCK 1, LOT 3
J.L.M.
TYPE OF WORK:
DATE:
DETAIL DRAWING OF SITE CONDITIONS
7/27/2015
OF
#i
49IIJ 2* �0
.................................:...;
PRELIMINARY
.................... ...................
Jeffrey A. Gayness `
CE -7953
0
...............
..• �F .
f4
4llIt0F.S5\
..\ •' ' i 5 Ii li y i l
LOT 15, BLOCK 1; 100'WELL
SEQUOIA ESTATES S/D I I I I\ I
LOT 14, BLOCK 1; LOT 13 BLOCK 1'-- I ` LOT 12, BLOCK 1;
I I
SEQUOIA ESTATES S/D SEQUOIA ESTATES S/D SEQUOIA ESTATES S/D
//;j •/I I I �EPSVCP�`�� II
/ ,• ,• I I I I
I I I I
l.S\C PRE I I LOT 11, BLOCK 1;
$EP
/ II l.$ I I SEQUOIA ESTATES SID
_------ ------'---1---------- --------------------
--T—
LOT 4, BLOCK 1;
RABBIT CREEK S/D
STRUCTURE ON / PROPOSEDI
PROPERTY. NO WELL—\
DOCUMENTED WELL
OR SEPTIC SYSTEM
PROPOSED 100'
WELL RPAIUS,
I` I
I
POSSIBLE SEPTIC OR "
HOLDING TANK
(APPROX. LOCATION)
OUR OWN LANE
EXISTING WELL TO '7I i• _ 100;
BE PERMANENTLY
DECOMMISSIONED
I
PROPOSED
SEPTIC SYSTEM
(SEE PAGE 2 OF 4)
-- - - -
- --
— — — - — — — —
_
EXISTING
EXISTING
I
IOCUMENTED `
3 BEDROOM
'.SEPTIC
'TIC SYSTEM �.
HOUSE
�y¢i
,
AR� I
RETAINING WALL
V
I
I
I
PROPERTY HAS
i I
�
I
I
Ii
LOT 5A, BLOCK 2;
I
I
RABBIT CREEK S/D
RABBIT CREEK SID
i
I N
I
I
I
' I
EXISTING WELL TO '7I i• _ 100;
BE PERMANENTLY
DECOMMISSIONED
I
PROPOSED
SEPTIC SYSTEM
(SEE PAGE 2 OF 4)
-- - - -
- --
— — — - — — — —
_
EXISTING
EXISTING
I
IOCUMENTED `
3 BEDROOM
- n
'TIC SYSTEM �.
HOUSE
` .
i
RETAINING WALL
V
I
I `Ily
PROPERTY HAS
LOT 2, BLOCK 1;
STRUCTURE, BUT NO
RABBIT CREEK S/D
WELL OR SEPTIC
I N
I
I
I
I
EXISTING WELL TO '7I i• _ 100;
BE PERMANENTLY
DECOMMISSIONED
I
PROPOSED
SEPTIC SYSTEM
(SEE PAGE 2 OF 4)
-- - - -
- --
PAGE NUMBER:
1 OF 4
LEGAL DESCRIPTION:
DRAWN BY:
--------
--LOT
J.L.M.
TYPE OF WORK:
DATE:
LOT 4A, BLOCK 2;
7/27/2015
RABBITCREEKS/D
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LOT 3, BLOCK 2; LOT 2, BLOCK 2;
PROPERTY HAS
RABBIT CREEK S/D RABBIT CREEK SID
STRUCTURE, BUT NO
WELL OR SEPTIC
�•�
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GARNESS ENGINEERING GROUP, Ltd
— CIVIL & ENVIRONMENTAL ENGINEERS —
PREPARED FOR:
LASCA GAGNON
PHONE NUMBER:
(907)345-3701
PAGE NUMBER:
1 OF 4
LEGAL DESCRIPTION:
DRAWN BY:
RABBIT CREEK S/D; BLOCK 1, LOT 3
J.L.M.
TYPE OF WORK:
DATE:
�, SITE PLAN FOR SEPTIC SYSTEM UPGRADE
7/27/2015
4 �.
*: 49TH
Jeffrey A. Garness
CE -7953
