HomeMy WebLinkAboutSAND LAKE #2 BLK 5 LT 20Sam ACL(�
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Municipality of Anchorage Page -I,—of
DEPARTMENT OF HEALTH AND HUMAN SERVICES
ENVIRONMENTAL SERVICES DIVISION
P.O. Box 196650 • Anchorage, Alaska 99519-6650 • Telephone: 343-4744
On-Site Wastewater Disposal System and/or Well Inspection Report
Permit Number:`7L11146036 f't PID Number: Oil
Name:
Wastewater System: ❑ New Upgrade
Address:
4) -, y 15C) A
ABSORPTION FIELD
Phone: 4-q15
No. of Be rooms:
Deep Trench ❑Shallow Trench ❑Bed ❑Mound ❑Other
LEGAL DESCRIPTION
Soil Rating:
Ica
Total Depth from original grade:
GPD/Sq. Ft.
/
Lot: Block: �j Subdivision:
&O 1,4e- i
Depth to pipe bottom from original grade:
Gravel depth benpath pipe
i
! _�KJA(l
Ft.
Ft.
Township:_
Range:
Section:
Fill added above orpinal grade:
0 � ` a
Gravel length: �� ,
50
Ft.
Ft.
WELLGravel
. � 4—b ❑ New ❑ UP
width:
�
Number of lines:
�
Distance between lines:
_
.J
Ft.
Ft.
Classification (Private, A,B,C):
-••L;•
To pth:
Cased To:
Total absorption area:
-
Pipe material: 2-�
'
C.��{CJS
Ft.
Ft.
C� SQ. Ft.
( D-" Z-r O
Driller:
Date Drilled:
Static Water Level:
Installer: /•t �rl i�
Q� '%t C
Date install d:
Ft.
I
f
Yield:
Pump Set at:
Casing Height Above Ground:
TANK
GPM
Ft.
Ft.
SEPARATION
DISTANCES
)Septic ❑ Holding ❑ S.T.E.P.
To
Septic
Absorption
Lift
Holding
Public/Private
Ma ufa turer:_
Capacity in gallons:
From
Tank
Field
Station
Tank
Sewer Lines
,+ QfC �, 1 e4AY,
l a o
Well-
ell
Material:
Number of Compartments:
Surface
lc,o'
icy'
"—
LIFT STATION
Water
Lot
' r
I
Size in gallons:
Manufacturer:
Line
Foundation
5 1
"Pump on" level at:
"Pump off" t:
High water alarm at:
Curtain
N®A
y
K
1�
PumpM odel
Electrical Inspections performed by:
Drain
•1/
Remarks:
BENCH MARK
E _. fin
Location and Description:
io
G /t v
iqe),(af
Assumed Elevation: W._` t
rt
"W G)044
Inspections performed by: 5 s ENGINEERING Dates: 1s .a +
v
17034 Eagle River Loop Road, No. 2042nd
.,.., „s..../
RCIERT C. CO>A/AN !"z-
agle River, laska 99577 irk, a ;�
�fr?P��%^ C-
Department of He Ith an u Services approval
P
�.
Reviewed and approved b Date:
72-013 (Rev. 9/91) MOA 25 \ I
Permit No,
SW960369
Page 2 of 2
Municipality of Anchorage
DEPARTMENT OF HEALTH AND HUMAN SERVICES
ENVIRONMENTAL SERVICES DIVISION
P.O. Box 196650 • Anchorage, Alaska 99519-6650 • Telephone: 343-4744
On -Site Wastewater Disposal System and/or Well Inspection Report
Legal Description:
LOT 20, BLOCK 5, SAND LAKE S/D #2
PID No.:
011-134-17
B
Q
72-013 A (Rev. 9/91) MOA 25
P..
620.51.5'
0'
° {LL's'
.5' 35.5'
•LL RADIUS
R�1D5
t?_4
.5' 43.5'
.0' 25.0'.0'
150'
1pO
LOT 2
40.0'
oNEW
1RENCH
RM
��
HO
SE
�1
1 N
m
A
FCO
150WELL RAD
8
1
g'T1
ISO•
NEW 125C
GAL.
i
PA
SEPTIC T
NK
SCALE 1' = 40'
STI
ST2
C01 =
CO2 =
99.7'
101.7'
99
4'
101
FINL
GRADE
MT1
02
NEWE
92.9' 250
S.T.
GAL 92.7'
,e'v'�a�' �
COI = 9
CO2 = 9
.5
3.5'
R
a \P' ............
)-7
i
..
MT = 83.4----'
A ;� � R03ERT C. COWAN i �2
NO WATEIR
FOUND%
82.4'
B.O.H.
g� Jlr 1"'�>. ,•��er
72-013 A (Rev. 9/91) MOA 25
P..
j PAGE i OF 1
>7 y
MUNICIPALITY OF ANCHORAGE lijs�f�
DEPARTMENT OF HEALTH AND HUMAN SERVICES nd
P.O. BOX 196650, 825 "L" STREET, ROOM 502
ANCHORAGE, ALASKA 99519-6650
ON-SITE WASTEWATER DISPOSAL SYSTEM (UPGRADE) PERMIT
PERMIT NUMBER:SW960369
DESIGN ENGINEER:S & S ENGINEERING
OWNER NAME:HENNESSEY DONALD & JOAN
OWNER ADDRESS:8230 SEAVIEW ST
ANCHORAGE, AK. 99502
PARCEL ID:01113417
LEGAL DESCRIPTION:
SAND LAKE #2 BLK 5 LT 20
LOT SIZE: 13500 (SQ. FT.)
NUMBER OF BEDROOMS: 4 THIS PERMIT: 4
THIS PERMIT IS FOR THE CONSTRUCTION OF:
DISPOSAL FIELD /SEPTIC TANK SYSTEM
ALL CONSTRUCTION MUST BE IN ACCORDANCE WITH:
DATE ISSUED:11/27/96
EXPIRATION DATE:11/27/97
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 ENGINEER MUST NOTIFY DHHS AT LEAST 2 HOURS
PRIOR TO EACH INSPECTION. PROVIDE NOTIFICATION BY
CALLING 343-4744 ( 24 HOURS ) (NOT REQUIRED FOR WELL ONLY PERMIT)
4. FROM OCTOBER 15 TO APRIL 15 A SUBSURFACE SOIL.
ABSORPTION SYSTEM UNDER CONSTRUCTION DURING FREEZING
WEATHER MUST BE EITHER:
A. OPENED AND CLOSED ON THE SAME DAY
B. COVERED, SEALED AND HEATED TO PREVENT FREEZING
5. THE FOLLOWING SPECIAL PROVISIONS.
SPRCTAL PROVISIONS:
RECEIVED B
ISSUED BY:
DATE: -it
DATE:- 114217-1
S&S
nG
September 17, 1996
ROBERT C. COWAN, P.E.
ROBERTA. SHAFER, P.E.
CIVIL ENGINEERS
(907) 694-2979
FAX (907) 694-1211
HEALTHAUTHORITY
APPROVALS
MUNICIPALITY OF ANCHORAGE
Department of Health and Human Services
P.O. Box 196650
Anchorage, AIC. 99519
SEWER&WATER
MAIN EXTENSIONS
REFERENCE: Lot 20 & 21, Block 5, Sand Lake S/D #2
SEWER&WATER
Request you issue a permit to upgrade the septic system
INSPECTION
serving the existing four bedroom house on the referenced
property. A separation distance waiver between theclass "C"
well on lot 21 and this proposed septic tank and leachfield
is being requested from the Department of Environmental
ENGINEERING STUDIES
Conservation(D.E.C.) .
ANDREPORTS
A test hole was excavated and percolation test performed in
the area of the proposed upgrade. The approximate location
of the test hole is located on the attached site plan.
WELLINSPECTION
8 FLOW TEST
At the time of excavation no water was encountered and
after seven day ground water monitoring, the monitoring
tube was found to be dry.
SITE PLANS
Attached is the proposed upgrade design.
We do not anticipate any adverse effects on neighboring
wells, septic systems or drainage patterns by the
ROAD DESIGN
installation of the proposed septic system.
The proposed 1250 gallon septic tank and 5 foot wide
drainfield is to be placed outside of the 100 foot well
SOILTEST
radius.
If you require additional information, please contact us.
PERCOLATION
Sincerely,
TEST
Jv�
STRUCTURAL&
MECHANICAL
Robert C • Cowan, P • E •
INSPECTIONS
RCC/g7
Enclosure
ONSITE
WASTEWATER
DISPOSALSYSTEM
DESIGN
17034 NORTH EAGLE RIVER LOOP • SUITE 204 • EAGLE RIVER, ALASKA 99577
INEPT. OF ENVIRONMENTAL CONSERVATION
TONY KNOWLES, GOVERNOR
NOV 61996
ANCHORAGE WESTERN PUBLIC SERVICE OFFICE Municipality of Anchorage
555 CORDOVA STREET Dept. Health & Human Services
ANCHORAGE, ALASKA 99501 (907)269-7505
October 31, 1996
Mr. Robert C. Cowan, P.E.
S & S Engineering
17034 North Eagle River Loop, Suite 204
Eagle River, Alaska 99577
SUBJECT: Lots 20 and 21, Block 5, Sand Lake Subdivision; Separation Distance Waiver,
Anchorage, Alaska, AWPSA Project Number 9721 -WV -269-020; Review
Dear Mr. Cowan:
This letter is in response to the submittal received on September 25, 1996 in which you requested
that the Department grant a lesser horizontal separation distance between a Class C Public Water
System Source Well located on Lot 21, Block 5 and a wastewater disposal system located on
Lots 20 and 21, Block 5, which is serving a single family home. We have completed our review
of the submitted information and information found in this office's files on public water systems
in Block 5 Sand Lake Subdivision. Based upon this review, we have the following comments:
There is no information in this office's files that shows the existing Class C Public Water System
and the Source Well located on Lot 21, Block 5, Sand Lake Subdivision has received operation
approval from this Department. If you or your client has a copy of any type of approval issued
by any agency, please submit a copy of such information to this office. If that is not possible, the
highlighted items in the attached "Plan Approval Checklist for Engineering Plans, Class C
Public Water System" will need to be submitted for review and, if appropriate, issuance of
operation approval. Please note that an owner's statement and the date that the source well was
installed will need to be included with the other items noted in the plan review checklist.
From our review, it appears the lesser separation distance could provide the needed treatment of
the wastewater, which is needed to protect public health and the environment. Therefore, in
accordance with the provisions of 18 AAC 80.030, the following separation distances are
granted:
Between the existing Class C Public Water System Source Well located on Lot
21, Block 5, Sand Lake Subdivision #2 and the wastewater disposal system
(septic tank and soil absorption system) located on Lots 20 and 21, Block 5, Sand
T' = 60'
SITE PLAN
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Municipality of Anchorage
t DEPARTMENT OF HEALTH & HUMAN SERVICES
825 L Street, Anchorage, Alaska 99502-0650 ems.• -
SOILS LOG — PERCOLATION TEST"? ROBERT C. COWAN ;f,
CE -6801 : f
t.
PERFORMED FOR: r�� R� u LN r✓ € 3 S y DATE PERFORMED: qY'. � per•
LEGAL DESCRIPTION: 1•� % Qi.oCK •�
DEPTH
(FEET)
1 1171 orr„�N. � La1tii�3 � S'rr..T
2
Township, Range, Section:
SLOPE
3
4 �/ r�•y"
5 =
6
7
8
u � -
9 °L
E b `
w
10
12-
13
2 13 QUI
14
15 "� •`•'r
16 pi
17
18
19
B.0.H.
Wci,L- �RAO�A
saM� I1.RAV/ L
WAS GROUND WATER
ENCOUNTERED?
S
IF YES, AT WHAT '— L
O
DEPTH? P
E
Depth to Water After
b
Monitoring? �%' Date: � ? � /�
SITE PLAN
20 -�
IL_ JI PERCOLATION RATE < ' (minuses/inch) PERC HOLE DIAMETER
TEST RUN BETWEEN -7 FT AND FT
COMMENTS S f- C A-7— r# C# C D 1
.5 1 C V f- A -/,I L V S V S
S & S ENGINEERING 1���,�
PERFORMED BY: I r CERTIFY THAT THIS TEST WAS PERFORMED IN
Eagle Iver oop oa o. _
ACCORDANCE WITF>GvgIesPANTor#�AtaWU 9StM GUIDELINES IN EFFECT ON THIS DATE. DATE:
72-008 (Rev. 4/85)
0
J
Percent Passing by Weight
0 0 0 0 0 0 0 0 0 0
O O O O O O O O O O
0 0 0 0 0 o O o 0 0
2"
1 1/2"
1"
3/4"
1/2"
3/8"
No. 4
#8
No. 10
#16
No. 20
# 30
No. 40
# 50
No. 60
# s0
No.100
Yo.200
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ALABKA��5,,,�, AASHTO ACCREDITED
�� CONSTRUCTION
T E S T L A B ' MATERIALS TESTING
A Division of DOWL, Incorporatedtura LABORATORY
S & S Engineering W.O.#A27035
17034 Eagle River Loop 9204 September 18, 1996
Eagle River, Alaska 99577
Attention: Mr. Bob Cowan
Subject: Particle -Size Analysis
L21 BLK 5 Sand Lake No.2
Dear Mr. Cowan:
The particle -size distribution of your soil was measured in the laboratory. The published methods for
this test are:
• ASTM C 117, "Material Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing;"
• ASTM C 136, "Sieve Analysis of Fine and Coarse Aggregates;"
• ASTM D 422, "Particle Size -Analysis of Soils;"
• AASHTO T-11, "Material Finer Than 75-µm Sieve in Mineral Aggregates;"
• AASHTO T-27, "Sieve Analysis of Fine and Coarse Aggregates;"
• AASHTO T-30, "Mechanical Analysis of Extracted Aggregate;"
• AASHTO T -88, "Particle Size Analysis of Soils;" and
• AK DOT/PF ATM T-7, "Sieve Analysis of Fine and Coarse Aggregates."
Alaska Testlab's standard procedure is in conformance with these standards, with the following
descriptions:
• The coarse fraction of non -extracted soils is not washed unless the coarse particles appear to be significantly coated
with fines;
• The fine fraction of the st;11 is cdla}s Washed;
• The plus 3 -inch fraction is not routinely included in the test due to the large sample mass required for a representative
sample; The estimated percentage of plus 3 inch material in the sample is shown on the test report; and
• The mass of the coarse and fine test fractions are reported.
The soil is classified in accordance with ASTM D 2487, "Classification of Soils for Engineering
Purposes (Unified Soil Classification System)." The frost classification is identified in accordance
with Corps of Engineers and Municipality of Anchorage (MOA) procedures.
The test results are attached. If you have any questions regarding the test procedures or the results,
please call me.
Sincerely,
ALASKA TEST B
Howard K. Weston, P.E., or
David L. Andersen, P.E.
4040 B STREET 0 ANCHORAGE 0 ALASKA 0 99503-5999 0 907/562-2000 0 FAX 907/563-3953
s&
HEALTHAUTHORITY
APPROVALS
SEWER&WATER
MAIN EXTENSIONS
ON-SITE WASTEWATER DISPOSAL SYSTEM
CONSTRUCTION PRACTICES
and
MATERIAL SPECIFICATIONS
Lot 20 & 21, Block 5, Sand Lake S/D #2
September 17, 1996
ROBERT C. COWAN, P.E.
ROBERTA. SHAFER, P.E.
CIVIL ENGINEERS
(907)694-2979
FAX(907)694-1211
1. The scope of this project includes the installation of
a 1250 gallon septic tank and a five foot wide
SEWER&WATER
drainf ield to serve the existing four bedroom
INSPECTION
residence on the referenced property. The existing
septic system is to be excavated, pumped, crushed and
abandoned.
ENGINEERING STUDIES
2. Construction shall be in accordance with the approved
AND REPORTS
site plan and design drawings, Municipal permit with
any special provisions or conditions, and all
applicable State and Municipal Wastewater Disposal
Regulations.
WELL INSPECTION
& FLOW TEST
3. The contractor shall be responsible for obtaining any
necessary underground utility locates.
SITE PLANS
4. Unless specifically agreed otherwise, the property
owner shall be responsible for final grading areas
subsequently depressed from soil settling. On all
leachfield mound systems, the property owner shall be
ROADDESIGN
responsible for ensuring a satisfactory vegetation
growth over the mounded area.
5. Contractors installing wastewater disposal systems
SOILTEST
must be certified by the Municipal Health Department
for system installations. Owners installing their own
systems must also receive prior approval from the
Municipal Health Department.
PERCOLATION
TEST
EPTIC TANK INSTALLATION:
1, A septic tank is to be constructed by a certified
STRUCTURAL&
septic tank manufacturer. Construction shall include
MECHANICAL
two 4" cleanouts for pumping access.
INSPECTIONS
2. The septic tank shall be sufficiently bedded to
prevent settling or shifting of the tank.
ONSITE
WASTEWATER
DISPOSALSYSTEM
DESIGN
17034 NORTH EAGLE RIVER LOOP • SUITE 204 • EAGLE RIVER, ALASKA 99577
Page Two
Lot 20 & 21, Block 5, Sand Lake SID #2
September 17, 1996
3. All standpipes on the septic tank shall extend a minimum of
12 inches above final grade.
4. Septic tanks installed with less than 4 ft. of cover shall
be insulated.
5. A foundation cleanout shall be installed one to four feet
from the building foundation. In the line between the tank
and the leachfield there shall be two adjacent cleanouts
(unless an effluent pumping system exists within the septic
tank). These cleanouts shall be located on undisturbed
soil not more than 10 ft. from the tank. The first
cleanout, in line, shall be to clean toward the leachfield.
The second cleanout shall be to clean toward the septic
tank.
6. Final grading over the septic tank shall be such that a
positive slope exists away from the septic tank.
ABSORPTION TRENCH/DRAINFIELD INSTALLATION:
1. Excavate the proposed trench to the dimensions shown on the
design. The bottom of the excavation shall be within 2
inches of level. If the sidewalls of the excavation become
smeared, they must be raked or scratched (roughed -up)
before gravel (sewer rock) placement.
2. Once the gravel is installed, the distribution pipe is to
be installed level with the perforations faced downward.
Gravel is then to be placed over the distribution pipe to
provide a minimum of 2 inches of cover over the pipe.
3. A silt barrier must be installed between the final gravel
layer and the native soil backfill. Ensure the silt
barrier covers the entire gravel surface before placing
backfill.
4. Monitor tubes shall be of four (4) inch diameter,
installed approximately in the locations shown on the
design, and extend a minimum of 12 inches above final
grade. The portion of the monitoring tube extending
through the gravel shall be perforated from the bottom of
the trench to the invert of the distribution pipe. This is
equivalent to the effective depth of the gravel as noted on
the design.
Page Three
Lot 20 & 21, Block 5, Sand Lake S/D #2
September 17, 1996
5. Backfill over the final gravel layer must not be less than
twenty-four (24) inches. Insulation must be installed when
the backfill depth is less than thirty-six (36) inches.
The finish grade over the trench must be mounded to prevent
the formation of a depression after settling.
MINIMUM MATERIAL SPECIFICATIONS:
1. Any septic tank proposed for installation must be
constructed by a Municipally approved septic tank
manufacturer.
2. The following pipe materials are approved for use in septic
system installations in the Municipality of Anchorage:
Type of Pipe Perforated Solid
Cast
Iron
Yes
Yes
ASTM
D3034
(PVC)
Yes
Yes
ASTM
F810
(HDPE)
Yes
No
ASTM
D2662
(ABS)
Yes
Yes
Use of a type of pipe other than listed above must be
approved by the inspecting engineer.
3. Insulation shall be at least 2" thick extruded direct
burial polystyrene (Dow Chemical Company Styrofoam HI or
equal).
4. Septic tank inlets and outlets shall be fitted with
watertight couplings (Caulder, Fernco, or equal).
5. A permeable nontoxic silt barrier (Typar 3401, Mirafi 140N,
or equal) must be installed between the final leachfield
gravel layer and the native soil backfill.
6. All leachfield gravel (sewer rock) shall be 0.5"-2.5"
screened gravel with less than 3% passing the #200 sieve.
7. When sand is being used as a filter material, its gradation
specifications must conform to current M.O.A. or D.E.C.
requirements, which ever applies.
Page Four
Lot 20 & 21,
September 17,
INSPECTIONS:
Block 5, Sand Lake SID #2
1996
Typically there will be a minimum of three (3) inspections
required during the installation of the wastewater disposal
system. These inspections will occur as follows:
1. The first inspection must be conducted after the
excavation of ditches, pits, trenches, or beds and
before the installation of any gravel. A septic tank
may be set in place, but may not be backfilled before
this inspection.
2. The second inspection must be conducted after the
placement of the silt barrier, gravel, distribution
lines, standpipes, cleanouts, and insulation, but
before the placement of any other backfill.
3. The final inspection is to occur upon final grading of
the property.
Often there will be more than these 3 inspections required.
Especially with the installation of multiple trenches, sand
filters, pressurized distribution systems, etc. Thus, the
inspecting engineer is to be contacted at least 24 hours prior
to the start of construction. If necessary, a pre -construction
meeting will take place on-site. The inspecting engineer will
not coordinate, direct or control in any way the contractors
activities.
The owner shall contract with the contractor to perform the work
outlined in these specifications and plans and in accordance
with the attached M.O.A. permit. There will be no contractual
arrangement existing between the contractor and S & S
Engineering. S & S Engineering shall be the owner's
representative and will inspect the work as stated above to
document the contractors activities. Final acceptance of the
contractors work rests with the owner and the M.O.A.
Page Five
Lot 20 & 21, Block 5, Sand Lake SID #2
September 17, 1996
S & S Engineering shall have no liability to the owner or to
others for acts or omissions of the contractor or any other
persons performing work on this project or the failure of the
contractor to carry out the work in accordance with these
construction documents. S & S Engineering's inspecting engineer
will not be responsible for the construction means, methods,
techniques, sequencet procedures or the safety precautions
incident to this project.
CONTRACTOR/INSTALLER
EASEMENT AGREEMENT
The undersigned, in consideration of mutual agreement set forth below,)
grant, convey and affirm the following easement, effective this 21 day
November 1996, and agree to the conditions and restrictions as follows:
We, Donald M. Hennessey and Joan M. Hennessey, hereinafter referred to
grantors, owners of certain real property herein after referred to as "Lot 21;
Block 5; Sand Lake Subdivision #2". According to the official plat #P176 filed
in the records of ANCHORAGE RECORDING DISTRICT, Third Judicial District, State
of Alaska, do hereby grant to Donald M. Hennessey and Joan M. Hennessey,
hereinafter referred to as the grantees, as owners of certain real property
hereinafter referred to as "Lot 20; Block 5; Sand Lake Subdivision #2"
acrordinry tto the nfficial nl8t #P176 filed in the records of ANCHORAGE RECORDINC
DTSTRICT, Third Judicial District, State of Alaska,
an easement for an on-site wastewater disposal system to be placed partially onl,
Lot 21; Block 5; Sand Lake Subdivision #5 , together with right to maintain the
on-site wastewater disposal system to include reasonable egress and ingress for
maintenance of the absorption area. The easement to be effective upon the
signing of this agreement by the parties.
1. It is understood and agreed that sewer service to Lot 20; Block 5; Sand
Lake Subdivision #2 is to be provided by connection beginning on Lot 20
and extending across Lot 21; Block 5; Sand Lake Subdivision #2 . It is
further agreed that the cost of maintenance of the in place sewer lines
shall be born by the grantees.
2. There shall be no charge for the use of the on-site wastewater disposal
facilities so long as this easement is in affect unless a charge is
arranged between the parties of their heirs or assigns or successors in
interest by separate written agreement.
3. Grantors makes no warranty as to the adequacy of the
disposal system and shall not be liable for any damages caused by
system failinq to work adequately.
4. The grantors further covenant and agree that the grantees shall
full, free and uninterrupted use of said easement for
domestic use as long as such use does not create an unreasonable
adverse impact upon the grantors.
5. Failure to make use of the on-site wastewater disposal system
described shall not be deemed abandonment of the said easement.
6. The grantees further agree to bear all cost, if any, for the operation,
maintenance and/or abandonment of the on-site wastewater d
system and/or easement.
7. This easement from grantors to grantees shall be binding upon the
to the benefit of the parties hereto, their heirs,
representative, successors and assigns, and shall run with the land.
Grantors:
Donald M. Hennessey
I�
Joan M. Hennessey
Lot 21; Block 5;
Sand Lake subdivision #2
Subscribed and sworn to before me
this 21 day of November 1996
for Donald M. Hennessey
My commision expires 06-30-1997
\Y1
r KK 1
�j Grantees:
onald M. Hennessey
Joan M. Hennes
Lot 20; Block 5;
Sand Lake Subdivision #2
Subscribed and sworn to before me
this 21 day of November 1996
for Joan M. Hennessey
my commision - • 06-30-199
l
•.
Ic
OFFM '11 UL
CELESFERMIA 1
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DEPT. OF ENVIRONMENTAL CONSERVATION
ANCHORAGE WESTERN PUBLIC SERVICE OFFICE
555 CORDOVA STREET
ANCHORAGE, ALASKA 99501
October 31, 1996
IUIVr IVVUVV .cam,
(907)269-7505
RECEIVED
Mr. Robert C. Cowan, P.E. NOV 5 1996
S & S Engineering MuniclPaliiy f}; A;;cno aqe
17034 North Eagle River Loop, Suite 204 Dept. Health & Human Services
Eagle River, Alaska 99577
SUBJECT: Lots 20 and 21, Block 5, Sand Lake Subdivision; Separation Distance Waiver,
Anchorage, Alaska, AWPSA Project Number 9721 -WV -269-020; Review
Dear Mr. Cowan:
This letter is in response to the submittal received on September 25, 1996 in which you requested
that the Department grant a lesser horizontal separation distance between a Class C Public Water
System Source Well located on Lot 21, Block 5 and a wastewater disposal system located on
Lots 20 and 21, Block 5, which is serving a single family home. We have completed our review
of the submitted information and information found in this office's files on public water systems
in Block 5 Sand Lake Subdivision. Based upon this review, we have the following comments:
There is no information in this office's files that shows the existing Class C Public Water System
and the Source Well located on Lot 21, Block 5, Sand Lake Subdivision has received operation
approval from this Department. If you or your client has a copy of any type of approval issued
by any agency, please submit a copy of such information to this office. If that is not possible, the
highlighted items in the attached "Plan Approval Checklist for Engineering Plans, Class C
Public Water System" will need to be submitted for review and, if appropriate, issuance of
operation approval. Please note that an owner's statement and the date that the source well was
installed will need to be included with the other items noted in the plan review checklist.
From our review, it appears the lesser separation distance could provide the needed treatment of
the wastewater, which is needed to protect public health and the environment. Therefore, in
accordance with the provisions of 18 AAC 80.030, the following separation distances are
granted:
Between the existing Class C Public Water System Source Well located on Lot
21, Block 5, Sand Lake Subdivision #2 and the wastewater disposal system
(septic tank and soil absorption system) located on Lots 20 and 21, Block 5, Sand
Mr. Cowan 2 October 31, 1996
Lake Subdivision #2, from 150 to 100 feet.
The following are requirements of the above granted waiver:
The existing Class C Public Water System will need to receive final operation
approval within one year after the issuance the requested waivers.
Verification that the vertical separation distance of four (4)feet between the lowest
part of the soil absorption system and the seasonal high ground water has been
met. In addition, verification of the in-situ soils will need to be submitted to this
office.
As -built drawings, under the stamp of a Professional Engineer (P.E.), need to be
submitted to this office within 90 days of completion of the project. The as -built
drawings will need to include a cross section of the soil absorption system.
This waiver will remain valid until the wastewater disposal system on Lots 20 and 21, Block 5
again requires upgrading or if it is determined that the new wastewater disposal system is the
source of contamination in the existing source well or any other in the Sand Lake Subdivision. If
upgrading or replacement of the new wastewater disposal system due to the above noted
problems is necessary, due to the small lot size and the high density of wastewater disposal
systems, additional treatment to the waste stream will be a requirement of any future waiver
requests for this property.
This approval to construct does not imply the granting of additional authorizations, nor obligate
any federal, state, or local regulatory agency to grant the required authorizations.
Thank you for your cooperation and coordination with this Department. If you have any
questions, please do not hesitate to contact me.
Sincerely, 1
Keven K eweno, P.E.
Environmental Engineer
KKK/ph
Enclosure: As Stated
cc: Jim Cross, P.E., MOA/DHHS, w/o Encl..