HomeMy WebLinkAboutT15N R1W SEC 8 LT 154T15N RIW
SEC 8
Lot 154.
#051-154-33
UWOV
Municipality of Anchorage... ?. >,.;Development Services Department
Building Safety Division `�"�'
On-Site Water and Wastewater P ' " "'
Program. 4700 S. Bragaw St.
P.O. Boz 196650 Anchorage, AK 99519-6650 Page / of 3
www.ci.anchorage.ak.us
(907) 343-7904
ON-SITE WASTEWATER DISPOSAL SYSTEM AND/OR WELL
INSPECTION REPORT
Permit Number.. W
QC "(e PID Number. A A-1
Name
"Al a Wastewater System: ❑ New Upgrade
AObns:
ABSORPTION FIELD
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LEGAL DESCRIPTION SdI Rreq T Tda DOM eamarprw pass
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Reviewed and approved by:
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MUNICIPALITY OF ANCHORAGE
Development Services Department
Onsite Water & Wastewater Program
4700 South Bragaw Street
P.O. Box 196650, Anchorage, AK 99519.6650
(907) 343-7904
ON-SITE WASTEWATER DISPOSAL SYSTEM PERMIT
Initial
Permit Number: SWO40296
Legal Description: `;rl5N Rt W SECTION 8 SUBDIVISION LOT 154
Design Engineer: 0838 North Rim Engineering
Owner Name: JOHN & DAWN NELSON
Owner Address: 21432 TARIKA AVE
CHUGIAK , AK 99567-
* 1W
Date Issued: Jul 27, 2004
Expiration Date: Jul 27, 2005
ParcelID: 051-154-33
Site Address: 21432 TARIKA AVE
Lot Size: 108900 SO. FT.
Total Bedrooms: 4 Permit Bedrooms: 4
This permit is for the construction of.
Disposal Field Q Septic Tank Ej Holding Tank F] Privy E] Private Well 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 engineer must notify DSD at least 2 hours prior to each Inspection. Provide notification by calling
(907)343-7904(24 hours). ( Not required for a Water Supply Permit only).
4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather
must be either: A. Open and closed on the same day.
B. Covered, sealed, and heated to prevent freezing.
Received By.
Date:.?0*
Issued By ,
(Ill Date: 414!6-
Municipality of Anchorage
• --1 Development Services Department
Building Safety Division
On -Site Water and Wastewater Program
4700 South Bragaw St.
P.O. Box 196650 Anchorage, AK 99519-6650
www.ci.anchorage.ak.us
(907)343-7904
ON-SITE SEWER/WELL PERMIT APPLICATION
FOR A SINGLE FAMILY DWELLING
Parcel I. D. 051-1511-33 Permit Number SW
Property owner(s) SGffAJ '�' ()414JAI All�"W Day phone 6 h' :�3c /
Mailing address (1) -2 11./32 r7;4ZfI''-4 t1 t-10clIgp-
Mailing address (2) Zip Code / 9S -Z 7—
Legal description (Lot, Block & Sub'd.)
Legal description (Section, Township & Range)
Lot Size ID�l9�
Ir -roe
THIS APPLICATION IS FOR:
_T/sect' /Q/ t ✓ St5L . L a T 1s1rc
Number of Bedrooms
Sewer Only Well Only ❑
Sewer and Well t ❑ Water Storage ❑
Sewer Upgrade ❑
THIS PROPERTY CONTAINS:
Hot Tub ❑ Jacuzzi ❑
Swimming Pool ❑ Water Softening Unit ❑
Therapy Pool ❑
certify that the above information is correct. I further certify that this application is being made for a
Single Family Dwelling and is in accordance with applicable Municipal Codes.
e,
(Signature of property owr(Wor autKiorized agent)
PermitFees: — 2 — O C,C Waiver Fees:
Date of Payment: q60 Date of Payment:
Receipt Number: S"- S Receipt Number:
(Rev. 12/00)
r'
rWZINEERI� NSG
NorthRim Engineering
17237 Bear Paw Circle
Eagle River, AK 99577
907.694.7028
907.830-4186
July 21, 2004
Joe Goodall
MOA On -Site Water & Wastewater Program
4700 Bragaw St
Anchorage, AK 99519
RE: T15N RIM Section 8 Lot 154, Chugiak
Dear Joe,
The existing septic system on the referenced property has failed. A complete replacement
system is necessary. The property is 2.5 acres, as are the neighbor lots; no adverse impacts
will occur from septic system replacement.
Please review the replacement septic system design for the existing 4 bedroom single
family home. I have included design plans & specs, design guidelines, & soil tests. If there
is need for additional information or clarification please give me a call.
Sincerely
Steve Eng, PE,
Design Enclosures
NEERINGL— T15N Rl W SECTION 8, LOT 154
SPECIFICATIONS & DESIGN GUIDELINES
Wastewater System Sizing: This is an existing single family, 4 bedroom home. The septic system
has failed and the owners are upgrading the system. This requires a new 1250 gallon septic tank
and new trench. This lot is over 2.5 acres in size and no adverse impacts are expected from
development. The neighboring lots arc large, generally 2.5 acres, and are served by on-site systems
& private water wells. Because of the large lot sizes there are no conflicts with neighboring
systems. The existing private well on the property is over 100' from the proposed septic system.
Soil tests discovered a good soil strata for an on-site system. The soil percolation was 2 min/inch.
An application rate of 1.2 GPD/Ff' was used for sizing the absorption trench. Groundwater was
monitored for over a week and encountered @ 10'. The existing septic system will be abandoned;
the septic tank will be pumped, crushed, and filled with sand/gravel or removed and properly
disposed of.
Specification Requirements: All components and work must comply with the Municipality of
Anchorage Specifications (AMC) & State of Alaska Drinking Water Regulations and Wastewater
Regulations.
• Two compartment septic tank- Existing Tank to be inspected for structural integrity, watertight
couplings on inlet & outlet.
• 5 foot minimum between the tank and bed. 10 foot to property lines.
• 3 feet of cover or insulation is required for trench; an equivalent of I" insulation for each foot
soil cover. The finish grade must be mounded to promote drainage over the bed.
• Tank & solid pipe must be set on well compacted, stable soil, Perforated pipe to be installed
level with perforations down.
• 4 inch diameter cleanouts with airtight caps are required I to 4 feet from foundation wall, prior
to any 90 degree bend in 4 inch line, in each tank compartment, and two adjacent opposing
cleanouts between the tank and the absorption field, not more than 10 feet from the tank
positioned to provide cleanout access towards the tank and towards the absorption field.
• All cleanouts must extend to at least ground level
• Trench to be placed level, minimum of 4 feet to groundwater, 6 feet to bedrock from drain -rock
• Drain rock to be %: inch to 2 %: inch screened. Drain rock to be distributed uniformly
throughout the trench.
• Silt barrier (filter fabric) to be installed above the drain rock
• Smeared trench sides must be raked or scarified before drain rock placement
• Solid pipe under driveway to have 4" insulation.
• Approved pipe materials include cast iron, PVC ASTM D3034, PVC ASTM F789, ABS
ASTM D2661,
• Sewer Service Line is minimum 2% slope
• Septic Tank to be pumped every two years or when required
• Insulation board shall be extruded direct burial polystyrene (Dow Styrofoam HI or equal)
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Drainage:
T15N R1W Sec. 8
ENGINEERING'.49m '••=
The existing lot is
generally flat terrain.
The general slope
in the area is to
the south. Construction
of sanitation
LOT 154
improvements will
not affect drainage patterns nor
adversely impact
neighboring lots. Area lot
size is generally
2.5 acre
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NORTHRIM
T15N R1W Sec. 8
ENGINEERING'.49m '••=
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17237 Bear Paw Circle 4' : w •.
Eagle Rix Alaska 99377 a-ae. ,. d:
DRAINAGE
LOT 154
7/22/04
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S❑ILS LOG - PERC❑LATI❑N TEST
Date Performed: 6/26/04
Performed For: John & Dawn Nelson
Legal Description: T15N R1W Sec,B, Lot 154
1 -
DEPTH
(FEET)
Gross Time
2 -
•0:'
3
1
4 -
0
5
9.75'
6 -
2
7 -
: ••
8 -
11.25'
9 -
O
10 -
15
11
9.25'
12 -
4
13 -
18
3 min
14 -
1.5'
15 -
7/9
16 -
--
17 -
--
18 -
7/9
19 -
3 min
20 -
1.5'
21 -
Organic T,H, Location: See Attached Design
Slope <5% As Indicated
Groundwater? Yes
GM Depth 12,
Silty Gravel Water Depth
After Monitorina, 10' Date: 7/9/04
#
Date
Gross Time
Net Time
Depth
Net Dro
1
7/9
0
--
9.75'
--
2
7/9
3
3 min
11.25'
1.5'
3
7/9
15
--
9.25'
--
4
7/9
18
3 min
10.75'
1.5'
5
7/9
30
--
9.5'
--
6
7/9
33
3 min
11.0'
1.5'
Percolation Rate 2 rain./Inch Perc Hole Diameter 6'
Test Run Between 3' and 4'
Comments:
Performed By NorthRim Eng, I CERTIFY THAT THIS TEST WAS
Performed in Accordance with All State/Municipal Guidelines in Effect
ON THIS DATE. DATE: 7/9/04
OF
NORTHRIM=*:49;�
ENGINEERING ss
TESTH❑LE LOG
T, H. 1
....y
17237 Bsor Pow C/rcl� it,,,, •i
foyl, Rtw. A/oako 99377 ° oe '
GE❑TECHNICAL
•
7/9/04
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