HomeMy WebLinkAboutHARMANY RANCH - EAGLET AERIE LT 12Onsite File
Harmany Ranch -
Eaglet Aerie
Lot 12
#050-381-92
MUNICIPALITY OF ANCHORAGE
On -Site Water & Wastewater Program
PO Box 196650 4700 Elmore Road
Anchorage, Alaska 99519-6650 Phone: (907) 343-7904 Fax: (907) 343-7997
http://www.muni.org/onsite
On -Site Water & Wastewater System Permit
Permit Number: OSP231140
Work Type: WellSeptic Renewal
Effective Date:
Expiration Date
Tax Code Number: 05038192000
Site Legal Address: HARMANY RANCH - EAGLET AERIE LT 12 G:0260
Site Mailing Address: 8326 HARMANY RANCH RD, Eagle River
Owner: DEBONIS RYAN M & ABBY M
Design Engineer: FORGE ENGINEERING
This permit is for the construction of:
Q Disposal Field Q Septic Tank ❑ Holding Tank ❑ Privy
U �
l� J
DeI)artnient
6/15/2023
6/14/2024
Lot Size in Sq Ft: 49095
Total Bedrooms: 4
Q Private Well ❑ 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
Received By: > Su �=C�
I
Issued By:
Date: /
Date: 2.o -1- 3
MUNICIPALITY OF ANCHORAGE
Community 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. 050-381-92
Property owner(s) Ryan & Abby DeboniS Day phone 907-903-7192
Mailing address 16221 Stephan Valley Drive, Eagle River, AK 99577
Site address NHN Harmany Ranch Road
Legal description (Sub'd., Block & Lot) Harmany Ranch - Eaglet Aerie L12
Legal description (Township, Range & Section)
Lot Size 49,095 Sq. Ft. Number of Bedrooms 4
APPLICATION IS FOR:
APPLICATION IS AN:
TYPE OF DWELLING:
(N all that apply)
Absorption Field
Initial ❑
Single Family (SF) x❑
Septic Tank
❑x
Upgrade 1-1(w/wo
AD U)
Holding Tank
ElRenewal
FX
Duplex (D) El
Privy
❑
Multiple Dwellings ❑
(SF and/or D)
Private Well
❑x
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.
(5lgnature of property owner or authorized agent)
Permit/Rush Fees: r cl 5 Waiver Fees:
Date of Payment: gA5X-3
Receipt Number:
Permit No. 5 P 31 f yQ
Permit App_::- : - :
Date of Payment:
Receipt Number:
Waiver No.
June 5, 2023
MOA Development Services, On-Site Water & Wastewater Program
4700 Elmore Rd
Anchorage, AK 99507
Subject: Harmany Ranch-Eaglet Aerie L12
Septic System Permit Renewal
Dear On-Site Services Engineer:
The permit for the construction of a well and septic system on Lot 12, Harmany Ranch-Eaglet
Aerie, has expired. A site visit was conducted and there have been no substantial changes to this
lot or to the surrounding area since the permit was originally issued.
Since that time, however, we have discussed the project with the client and the decision is to adjust
the design to specify Cat III Advanced Treatment, due to the variable soils and high groundwater.
In addition, the proposed home design has changed. We request a review of this change order in
addition to the renewal of this permit.
Sincerely,
Benjamin Schiller, PE
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP231140, Curtis Townsend, 06/15/23
ALTERNATE SITE
6' MIN SEPARATION
Benjamin Schiller
CE 12592REGISTEREDPROFESSION A L E N GINEER
1"=50'
CO - CLEANOUT
2CO - DOUBLE CLEANOUT
FCO - FOUNDATION CLEANOUT
FS - FLOW SPLITTER VALVE
MH - MANHOLE
MT - MONITORING TUBE
SV - SEPTIC VENT
TH - TEST HOLE
LEGEND
HARMANY RANCH - EAGLET AERIE LOT 12
FEET
0 50 100
FCO
NOTE:
NO SLOPES >46% ARE WITHIN 100' OF THE PROPOSED SEPTIC
SYSTEM.
Jun 13, 2023
H
A
R
M
A
N
Y
R
A
N
C
H
R
O
A
D
4-BDRM HOME
350
360
370
380
390
400
410
15' T&E EASEMENT
PROPOSED WELL
CAT III ADVANTEX FAP 2.0
SEPTIC SYSTEM
MAINTAIN MIN SEPARATION
OF 5' FROM DECK POSTS &
10' FROM FOUNDATION
TH#1
TH#9A
TH#2
TH#2(2013)
TH#9
MTMT
EXTENT OF MOUND
30' LONG x 5' WIDE, 0.5'
EFFECTIVE DEPTH
ABSORPTION TRENCH
PROPOSED WELLS w/ 100'
RADII (PER S/D PLAT)
CO
CO
2CO
ALL WELLS ON SURROUNDING LOTS WITH IMPACTS TO THIS PROPERTY
ARE SHOWN. NO CONFLICTS WITH WELLS OR SEPTIC SYSTEMS.
LOT 1 CAT III
SEPTIC AREA
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP231140, Curtis Townsend, 06/15/23
TYPICAL TRENCH SECTION
(NO SCALE)
NOTES:
1. GRADE AREA OVER TRENCH TO DRAIN AWAY
2. PROVIDE 3' OF COVER OVER TRENCHES AND 4' OVER SEPTIC TANK, OR 2'
WITH 2" OF INSULATION
3. CHECK GROUNDWATER AT TIME OF CONSTRUCTION. IF LEVEL IS HIGHER
THAN PREVIOUSLY OBSERVED, CALL ENGINEER IMMEDIATELY
Benjamin Schiller
CE 12592REGISTEREDPROFESSION A L E N GINEER
Jun 02, 2023
4" PERFORATED PVC
(HOLES DOWN)
DRAINFIELD ROCK
5'
6"
6"
DESIGN FACTORS:SYSTEM REQUIREMENTS:
600 GPD PEAK FLOW
PERK RATE: 8.7 MIN/IN
APPLICATION RATE: 5 GPD/SF
5' WIDE TRENCH SYSTEM
4-BEDROOM CAT III ADVANTEX FAP 2.0
SYSTEM
BOTTOM OF TRENCH: 2' BELOW HIGHEST ORIGINAL GRADE
FLOW LINE ELEVATION: 1' 6" BELOW HIGHEST ORIGINAL GRADE
RECEIVING STRATA: 5.5' BELOW HIGHEST ORIGINAL GRADE
HARMANY RANCH - EAGLET AERIE LOT 12
2'
2" FOAM INSULATION
GEOTEXTILE FABRIC
2
1
2'
STABILIZE SLOPE w/ JUTE-MESH &
VEGETATION/SEEDING AS SOON
AS CONSTRUCTION ALLOWS
MOA APPROVED FILTER SAND3.5'
TOP OF RECEIVING STRATA
600 GPD / 5.0 GPD/SF /5' WIDE * 1.0 [RED. FACTOR] = 24 LF TRENCH REQUIRED (30 LF SPECIFIED)
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP231140, Curtis Townsend, 06/15/23
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MUNICIPALITY OF ANCHORAGE
On -Site Water & Wastewater Program
PO Box 196650 4700 Elmore Road
Anchorage, Alaska 99519-6650 Phone: (907) 343-7904 Fax: (907) 343-7997
http://www.muni.org/onsite
On -Site Water & Wastewater System Permit
Permit Number: OSP221008
Work Type: WellSeptic Initial
Effective Date:
Expiration Date:
Tax Code Number: 05038192000
Site Legal Address: HARMANY RANCH - EAGLET AERIE LT 12 G:0260
Site Mailing Address:
Owner: VAN METER BEN & ALESYA O
Design Engineer: FORGE ENGINEERING
This permit is for the construction of:
1»cnt
n
Department
2/14/2022
2/14/2023
Lot Size in Sq Ft: 49095
Total Bedrooms: 4
Q Disposal Field Q Septic Tank Holding Tank Privy Q Private Well 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. Two test holes are required prior to construction of the absorption field, in the locations shown on the site
plan, to confirm minimum separation to impermeable soil and seasonal high groundwater, as well as
percolation rate. Construction may proceed at your own risk prior to 7 -day groundwater monitoring. If
results require a design change, construction shall stop pending approval of a change order. Please
submit results with the inspection report (or change order, if required).
2. Added cover over the fields are to utilized a jute -mesh.
Received By:
Issued By:
Date:
Date:
Community Development Departmentr_t- Phone: 907-343-7904
Development Services Division Fax: 907-343-7997
On -Site Water & Wastewater Program
ON-SITE SEWERIWELL PERMIT APPLICATION
Parcel I.D. 050-381-92
Property owner(s) Van Meter Ben & Alesya O
Mailing address P.O. Box 874712
Site address NHN Harmany Ranch Road
Day phone (907)229-8117
Legal description (Sub'd., Block & Lot) Harmany Ranch - Eaglet Aerie L12
Legal description (Township, Range & Section)
Lot Size 49,095 Sq. Ft. Number of Bedrooms 4
APPLICATION IS FOR:
APPLICATION IS AN:
TYPE OF DWELLING:
(® all that apply)
Absorption Field
❑x
Initial ❑x
Single Family (SF) x❑
(w/wo AD U)
Septic Tank
x❑
Upgrade ❑
(D) El
Holding Tank
❑
RenewalDuplex
❑
Multiple Dwellings ❑
Privy
❑
(SF and/or D)
Private Wellx❑
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.
(Signature of property owner or authorized agent)
Permit/Rush Fees: Waiver Fees:
Date of Payment: Date of Payment:
Receipt Number: Receipt Number:
Permit No. Q--'--1022 I00 z5 Waiver No.
Permit App_'- : :'-:c
February 2, 2022
MOA Development Services, On-Site Water & Wastewater Program
4700 Elmore Rd
Anchorage, AK 99507
2/2/22
Subject: Harmany Ranch-Eaglet Aerie L12
Septic system design
Dear On-Site Services Engineer:
The owner of the above lot intends to build a 4-bedroom home on the property, so we are
submitting this permit application for the construction of a new well and septic system. The
attached site plan identifies the location of the home as well as the proposed well, septic location
and alternate site. No conflicts exist between this proposed system and any other well or septic
system, whether on this lot or adjacent lots.
The ground surface on the lot slopes toward the south, in some areas at greater the 46%. The
proposed septic system is in an area where slopes are much milder, however, the it is within 100’
upgradient of those slopes greater than 46%. Please refer to the attached slope cross section for
demonstration of the worst-case scenario of effluent travel given the existing grade of the property.
We expect no daylighting of effluent. Elevations are shown on the site plan showing the grade and
direction of flow. Stormwater drainage will not impact this septic system. The new trench will be
constructed parallel to the slope as much as possible.
Due to the groundwater depth in Test Hole #9A in conjunction with the depth of receiving soils
found onsite in Test Hole #1, ERS may be necessary in order to utilize the receiving soil strata
while meeting separation to groundwater. MOA Wastewater Code allows this for CAT III nitrate
reducing systems. We would like to propose the use of ERS in this proposed design given the
following justification:
ERS Justification - The well log for Lot 10 to the east records a clay layer between 69’ and 320’
before drilling to a total depth of 472’. Additionally, a clay layer was encountered in Test Hole #1
at 18’ within 60’ of the proposed septic location. We expect this clay layer to be impervious or
nearly impervious, and if effluent should ever reach this depth, it will simply run across the top of
the clay strata horizontally and continue downhill rather than intermingle with local aquifers. The
property to the south belongs to the State of Alaska Dept. of Natural Recourses and is a part of the
Eagle River Greenbelt. There are no private properties downslope of this lot, and so there is no
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP221008, Deb Wockenfuss, 02/14/22
potential of any adverse effects from this proposed design on any neighboring lots downslope. We
therefore request a variance for the allowance of use of ERS in a conventional septic application.
Lot 12 has shown varied consistencies of material throughout historical test holes in various
locations on the property. Additional percolation tests will be performed on either side of the
proposed septic location in order to confirm consistent soil conditions adequate for this design.
Wells on this and adjacent lots are shown. The new system will be a minimum of 50’ from all
wells and surface water, and more than 5’ away from the septic tank. The alternate site is located
more than 6’ away from the primary.
Please refer to the attached test hole logs, slope cross section, plan and profile pages for the septic
design. If this design is followed, there will be no adverse impacts to adjacent properties.
Sincerely,
Benjamin Schiller, PE
ALTERNATE SITE CAT III:
24' LONG x 5' WIDE, 0.5' EFFECTIVE
DEPTH ABSORPTION TRENCH
APP RATE 5.0 GPD/SF
Benjamin Schiller
CE 12592R
EGISTEREDPROFES S I O N ALENGINEER
1"=50'
CO - CLEANOUT
2CO - DOUBLE CLEANOUT
FCO - FOUNDATION CLEANOUT
FS - FLOW SPLITTER VALVE
MH - MANHOLE
MT - MONITORING TUBE
SV - SEPTIC VENT
TH - TEST HOLE
LEGEND
HARMANY RANCH - EAGLET AERIE LOT 12
FEET
0 50 100
FCO
NOTE:
SLOPES >46% ARE WITHIN 100' OF THE PROPOSED SEPTIC SYSTEM.
SEE ATTACHED SLOPE CROSS SECTION FOR JUSTIFICATION. NO
SURFACE WATER WITHIN 100'.HARMANY RANCH
ROAD
4-BDRM HOME
2/8/2022
350
360
370
380
390
400
410
15' T&E EASEMENT
PROPOSED WELL
w/ 100' RADIUS
1250-GAL SEPTIC
TANK w/ 20" MANWAY
MAINTAIN MIN SEPARATION
OF 5' FROM DECK POSTS &
10' FROM FOUNDATION
TH#1
TH#9A
TH#2
≥6'
MT
TH#2(2013)
TH#9
APPROX FOOTING DRAIN OUTFALL LOCATION
OUTFALL MUST BE AT LEAST 100' FROM SEPTIC
TRENCHES
MT
CONFIRMATION
PERCOLATION TESTS
MT
MT
≥6'
EXTENT OF MOUND
2 - 75' LONG x 5' WIDE, 0.5'
EFFECTIVE DEPTH
ABSORPTION TRENCHES
TIE INTO MIDDLE OF
EACH TRENCH
PROPOSED WELLS w/ 100'
RADII (PER S/D PLAT)
FOOTING DRAIN
CO
CO
CO
CO
2CO
FS
ALL WELLS ON SURROUNDING LOTS WITH IMPACTS TO THIS PROPERTY
ARE SHOWN. NO CONFLICTS WITH WELLS OR SEPTIC SYSTEMS.
LOT 1 CAT III
SEPTIC AREA
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP221008, Deb Wockenfuss, 02/14/22
TYPICAL TRENCH SECTION
(NO SCALE)
NOTES:
1. GRADE AREA OVER TRENCH TO DRAIN AWAY
2. PROVIDE 3' OF COVER OVER TRENCHES AND 4' OVER SEPTIC TANK, OR 2'
WITH 2" OF INSULATION
3. CHECK GROUNDWATER AT TIME OF CONSTRUCTION. IF LEVEL IS HIGHER
THAN PREVIOUSLY OBSERVED, CALL ENGINEER IMMEDIATELY
Benjamin Schiller
CE 12592R
EGISTEREDPROFE S S I O N ALENGINEER5'
DESIGN FACTORS: SYSTEM REQUIREMENTS:
600 GPD PEAK FLOW
PERK RATE: 8.7 MIN/IN
APPLICATION RATE: 0.8 GPD/SF @
INTERFACE OF ERS/RECEIVING STRATA
1.0 GPD/SF @ INTERFACE OF SEWER ROCK/FILTER SAND
5' WIDE TRENCH SYSTEM
1250-GAL SEPTIC TANK
w/ 20" MANWAY
BOTTOM OF TRENCH: 2' BELOW HIGHEST ORIGINAL GRADE
FLOW LINE ELEVATION: 1' 6" BELOW HIGHEST ORIGINAL GRADE
TOP OF TRENCH: NO LESS THAN 2' ABOVE INSULATION
600 GPD / 1.0 GPD/SF /5' WIDE *1.0 (RED FACTOR) = 120 LF TRENCH REQUIRED (150 LF SPECIFIED)
2/14/2022
HARMANY RANCH - EAGLET AERIE LOT 12
4" PERFORATED PVC
(HOLES DOWN)
DRAINFIELD ROCK
6"
6"
2'
2" FOAM INSULATION
GEOTEXTILE FABRIC
2
1
2'
STABILIZE SLOPE w/ JUTE-MESH &
VEGETATION/SEEDING AS SOON
AS CONSTRUCTION ALLOWS
MOA APPROVED FILTER SAND3.5'
TOP OF RECEIVING STRATA
600 GPD / 0.8 GPD/SF /5' WIDE *1.0 (RED FACTOR) = 150 LF TRENCH REQUIRED (150 LF SPECIFIED)
ERS/RECEIVING STRATA INTERFACE:
SEWER ROCK/SAND INTERFACE:
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP221008, Deb Wockenfuss, 02/14/22
1"=10'
HARMANY RANCH - EAGLET AERIE LOT 12
SLOPE CROSS SECTION
350'
EXISTING
G
R
O
U
N
D
0'
2010 0
FEET
380'
375'
370'
365'
360'
355'
5' 10' 15' 20' 25' 30' 35' 40' 45' 50' 55' 60' 65'
33%
17%
36%
55%
46
%
A
N
G
L
E
O
F
E
F
F
L
U
EN
T
I
N
F
L
U
E
N
C
E
F
O
R
A
L
T
E
R
N
A
T
E
&
PRI
M
A
R
Y
S
I
T
E
≤50
%
≤50
%
PROPOSED
PRIMARY
TRENCH #2
PROPOSED
PRIMARY
TRENCH #1
PROPOSED
ALTERNATE
SITE
PROPOSED FINISH GRADE
JUTE-MESH OR EQUIVELENT
PROPOSED FUTURE FINISH
GRADE OF ALTERNATE SITE
35'
Benjamin Schiller
CE 12592R
EGISTEREDPROFESSIO N ALENGINEER2/14/2022
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP221008, Deb Wockenfuss, 02/14/22
LEGAL DESCRIPTION:
PERFORMED FOR:
DATE:
PARCEL ID#:
SOILS LOG AND PERCOLATION TEST
TECHNICIAN:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DEPTH
(feet)
PROJECT No.:
TEST HOLE 1
SLOPE
SLOPE
SITE PLAN
DATE READING GROSS TIME
(minutes)
NET TIME
(minutes)
DEPTH to
WATER NET DROP
PERC. HOLE DIA. (INCHES)PERCOLATION RATE: (MIN/INCH)
TEST RUN BETWEEN: FT. and FT.
COMMENTS:
(inches)(inches)
J. MILLETTE
DATE OF MONITORING:
WAS GROUND WATER ENCOUNTERED?
DEPTH TO WATER AFTER MONITORING:
IF YES @ WHAT DEPTH?-
8.7 6
6 7
10/15/21
1
2
3
SM/CL (SILTY SANDY CLAY)
Professional Engineers Stamp:
NO
12'
10/19/21
HARMANY RANCH-EAGLET AERIE L12
10/12/21
050-381-92
RYAN DEBONIS
3:301
2
3
2 4
16 / 6 12
16
4:01
4:32
1' OB
30
Benjamin Schiller
CE 12592R
EGISTEREDPROFE S S I O N ALENGINEEROctober 19, 2021
SM/GM (SILTY SANDY MATERIAL w/
SOME GRAVEL)
CL (CLAY)
2 4
16 / 5 12
16
2 4
16 / 5 11
16
30
30
4 8
16
3 8
16
3 7
16
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP221008, Deb Wockenfuss, 02/14/22
DEPTH
(feet)
PROJECT No.:
TEST HOLE 2
SLOPE
SLOPE
SITE PLAN
DATE READING GROSS TIME
(minutes)
NET TIME
(minutes)
DEPTH to
WATER NET DROP
PERC. HOLE DIA. (INCHES)PERCOLATION RATE: (MIN/INCH)
TEST RUN BETWEEN: FT. and FT.
COMMENTS:
(inches)(inches)
J. MILLETTE
DATE OF MONITORING:
WAS GROUND WATER ENCOUNTERED?
DEPTH TO WATER AFTER MONITORING:
IF YES @ WHAT DEPTH?4.5'
PT (PEAT)
Professional Engineers Stamp:
YES
3.5'
10/19/21
HARMANY RANCH-EAGLET AERIE L12
10/12/21
050-381-92
RYAN DEBONIS
Benjamin Schiller
CE 12592R
EGISTEREDPROFE S S I O N ALENGINEEROctober 19, 2021
GM/CL (GRAVELY CLAY)
LEGAL DESCRIPTION:
PERFORMED FOR:
DATE:
PARCEL ID#:
SOILS LOG AND PERCOLATION TEST
TECHNICIAN:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
UNABLE TO CONDUCT PERCOLATION TEST DUE TO GROUNDWATER
(FOR BUILDING SITE)
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP221008, Deb Wockenfuss, 02/14/22
Municipality of Anchorage
On-site Water and Wastewater
REVIEWED FOR CODE COMPLIANCE
OSP221008, Deb Wockenfuss, 02/14/22