HomeMy WebLinkAboutTHE TABLELANDS BLK 4 LT 12The Tablelands
Block 4
Lot 12
#051-801-20
Municipality of Anchorage
Development Services Department 1L`,? i
Building Safety Division
Onsite Water end Wastewater Program, 4700 Bragaw St.
Page t' of .3
P.O. Boz 196650 Anchorage, AK 99519-6650 9
www ci.anchorage.ak.us (907) 349-7904
ONSITE WASTEWATER DISPOSAL SYSTEM AND/OR WELL INSPECTION REPORT
Permit Number. SW060149 PID Number:
N'm Wastewater System: 0 New ❑ Upgrade
SPINELL HOMES, INC.
Addms 1900 W. NORTHERN LIGHTS BLVD. SUITE 200
ABSORPTION FIELD
NWd)&t o1 Bed'W'"'. 4
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LEGAL DESCRIPTION
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Depth w pp• soma epn a4nia grape
GravN depth esrraln ppe:
4
Bac¢ 4 1a1 12 THE TABLELANDS
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SEPARATION DISTANCES
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TOP OF DECK
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by: NORTHRIMENG. Dates: 1" 7119106
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Inspections performed
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2nd 11/10/06
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Development Services Department ApprovalT,
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TH ISM
ENGINEERING MEMO
NGI
Steve Eng, PE, PH
P.O. Box 770724, Eagle River AK 99577
(907) 694-7028 tel
NorthRimEng@aol.com
Date: 12/5/06 Number of Pages: 3
To: Joe Goodall/Jeff Poet
AIOA On -Site Services
Subject: The Tablelands, B4 L7, B4 L12, & B5 Ll
Comment Sheets
Joe & Jeff,
This is in reply to the three comment sheets. The steepest slope was measured downslope of the
constructed trench & the replacement trench. Analysis was conducted in accordance with the
4/17/04 guidance by lames Cross, PE. A profile was drawn with the existing ground slope, the
25% slope line and a line intersecting a point 2.5' above the system extended to the existing
ground at a 35' distance.
The Tablelands, B4 L7: The existing ground dips over 25% at a distance of 15'to 29' from the
replacement trench. The overall slope stays above the 25% line. The slope of the line 2.5' above
the system is @17%.
The Tablelands, B4 L12: The existing ground dips over 25% at a distance of 25' from the
replacement trench. The overall slope dips below the 25% line at a distance of 30' from the
replacement trench. The slope of the line 2.5' above the system is @ 21%.
The Tablelands, B5 LI: The existing ground dips over 25% at a distance of 22' from the
constructed trench. At this distance a cut -bank is present. This cut -bank requires grading to less
than a 25% slope. Spinell Homes Inc. requests that a conditional approval be granted in order for
the work to be completed next construction season.
Thanks -Steve
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Municipality of Anchorage
Development Services Department
% Building Safety Division
Onsite 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 SEWERIWELL SUBMITTAL COMMENT SHEET
TO: NORTH RIM ENG
Legal description: TABLELANDS BL4 LT7, L4 L712u LTt
REFERENCE: TABLELANDS #1 BL9 LT4 & TABLELANDS BL9 LT3 DATED 1015106 FOR
CONSISTENT ENGINEER ERRORS)
The attached paperwork has been reviewed and Is being returned for the following reasons:
® COMMENTS:
-SWING TIE NUMBERS IN -CORRECT.
-PLEASE CHECK CROSS-SECTIONAL ELEVATION NUMBERS AND COMPARE WITH INSPECTION REPORT PAGE?
NOT CORRECT TOTAL DEPTHS ARE DIFFERENT,
-SITE PLAN NEEDS TO BE TO SCALE
.SITE PLAN DOES NOT MATCH SURVEY
-INSPECTION REPORT SITE PLAN SHOULDN'T BE THE SAME AS PROPOSAL SITE PLAN WITH SWING TIES
PLASTED UNLESS IT ACCURATELY REFLECTS WHAT WAS INSTALLED.
-NEED TO CHECK ELEVATIONS IN CROSS-SECTIONAL DRAWING. ELEVATIONS INACCURATE?
-TABLELANDS BLOCK 5 LOT 1— NORTH RIM ENG. STATES THERE IS A CUTBANK OVER 25% AT A DISTANCE OF
22 FROM THE CONSTRUCTED TRENCH AND THAT THE CUTBANK REQUIRES GRADING LESS THAN 25% SLOPE. A
CONDITIONAL APPROVAL IS REQUESTED ASSUMING THE WORK TO BE COMPLETED IN THE NEXT CONSTRUCTION
SEASON.
-NORTH RIM ENG. NEEDS TO PROVIDE THE DESIGN FOR WORK TO BE COMPLETED IN THE NEXT
CONSTRUCTION SEASON.
-MONEY NEEDS TO BE ESCROWED 1.5 TIMES THE HIGH BID FROM A MINIMUM OF 3 EXCAVATORS TO
CONSTRUCT & FINISH GRADING ACCORDING TO ENGINEERS DESIGN APPROVED BY ONSITE PROGRAM.
ENGINEER SHALL STATE CONSTRUCTION SHALL BE COMPLETED NO LATER THAN JUNE .15m2007 IN
ENGINEERS DESIGN.
Name of reviewer: JOE
Date: December 11, 2006
Please supply the necessary information and re -submit your request.
Municipality of Anchorage
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 SUBMITTAL COMMENT SHEET
To: NORTH RIM ENG
Legal description: THE TABLELANDS BLOCK 4 LOT 12
The attached paperwork has been reviewed and Is being returned for the following reasons:
❑ Original signature or stamp missing on
❑ Calculation error in design.
❑ Additional soils information needed.
❑ Water monitoring results inadequate.
❑ Discrepancy in information submitted.
❑ Topographic information missing or inadequate.
❑ Incomplete; missing
❑ Incomplete; missing
❑ Additional adequacy test information needed.
❑ Water sample unacceptable. _
❑ Measured/proposed distances/dimensions missing. _
❑ Locations of all soils, percolation and water monitoring tests not shown.
❑ Proposed system too deep for soils information submitted.
❑ Well log required.
❑ Omission in narrative.
❑ Insufficient fill over tank or field._
® Other. PRIMARY AND PROPOSED RESERVE TRENCH 'S MAY BE TOO CLOSE TO TOP OF CUT BANK OR
SLOPE GREATER THAN 25%. TRENCH NEEDS TO MAINTAIN 50 FOOT SETBACK FROM SLOPE GREATER THAN 25%.
OR 35 FOOT HORIZONTAL SEPARATION USING INSTRUCTIONS ON ATTACHED MEMO DATED APRIL 7 2004 AND
WAIVER FEE. PARCEL I.D. MISSING ON INSPECTION REPORT AND COSA
Name of reviewer: JEFFb-of
Date: November 17, 2006
Please supply the necessary information and re -submit your request.
LEAVE THIS FORM ATTACHED TO THE PAPERWORK
MUNICIPALITY OF ANCHORAGE
Development Services Department
On -Site Water d Wastewater Program
4700 South Bragaw Street
P.O. Box 196650, Anchorage, AK 99519-6650
(907) 343-7904
ON-SITE WASTEWATER DISPOSAL SYSTEM PERMIT
Initial
Date Issued: Jun 12, 2006
Expiration Date: Jun 12, 2007
Permit Number: SW060149 Parcel ID: 051.801-20
Legal Description: THE TABLELANDS BLOCK 4 LOT 12
Design Engineer: 0838 NORTH RIM ENGINEERING Site Address: 23130 WHISPERING BIRCH
Owner Name: SPINELL HOMES Lot Size: 40000 SO. FT.
Owner Address: 1900 W. NORTHERN LIGHTS BLVD Total Bedrooms: 4 Permit Bedrooms: 4
ANCHORAGE. AK 99517 -
This permit is for the construction of:
Q Disposal Field ❑✓ Septic Tank ❑ Holding Tank ❑ Privy ❑ Private Well ❑ Water Storage
All construction must be in accordance with:
1. The attached approved design.
2. All requirements specked 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.
5. The following special provisions.
Engineer to show on the as -built inspection that the subsurface disposal field and alternate site Is a minimum 50'
uphill from a slope 25% or greater.
Received By.
FRR13_112.40� Date: 6 -1Z -a6
Municipality of Anchorage
Development Services Department
Building Safety Division
% On -Site Water and Wastewater Program
4700 Bragaw Street
P.O. Box 196650
Anchorage, AK 99519-6650
www.muni.orglonsite
(907)343-7904
ON-SITE SEPTIC/WELL PERMIT APPLICATION
FOR A SINGLE FAMILY DWELLING
Parcel I.D. OSI - 861- IP6
Property owners)�L C �DiLf �� Day phone ��[�/— se%�
Mailing address CI00 w
Site addreP13
RA
Code 79-577
Code cI ? S'!7
Legal description (Sub'd, Block & Lot) 21;6,g:f'_T�4R Let- eMq ri3L oC K
Legal description (Township, Section & Range)
Lot Size q0r 600 Sq. Ft.
THIS APPLICATION IS FOR (®all that apply):
Absorption Field
Septic Tank
Holding Tank
❑
Privy
❑
Private Well
❑
Water Storage
❑
Number of Bedrooms L
THIS APPLICATION IS AN:
Initial
Upgrade ❑
Renewal ❑
1 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.
r�
(Signature of property owner or
Permit/Rush Fees: kL O Waiver Fees:
Date of Payment: 5 ' .� 6 6 Date of Payment:
Receipt Number: 6 %W Receipt Number:
(Rev. 11105)
a
TFRIM
ENGINEERING MEMO
Steve Eng, PE, PH
17237 Bear Paw Circle, Eagle River AK 99577
(907) 694-7028 tel
(907)694-7026 fax
NorthRimEng@aol.com
Date: 6/6/06 Number of Pages: 2
To: Deb Wockenfuss
1%IOA On -Site Services
Subject: The Tablelands, Block 4, Lot 12
REVISED DESIGN
Deb,
The revision includes system relocation & elevation change. The drop in grade allows the
trenches to be raised; the insulation & cover will maintain at least a 3 foot cover equivalent.
Slopes were measured. At the 50 foot point, the slope increases to about 29%. The slope will be
filled & graded per drawing revision.
Thanks -Steve
0TI-�IJ�LI-
ENGINEERING
NorthRim Engineering
17237 Bear Paw Circle
Eagle River, AK 99577
907.6947028
May 23, 2006
MOA On -Site Water & Wastewater Program
4700 Bragaw St
Anchorage, AK 99519
RE: Tablelands, Block 4, Lot 12
A lot is being developed. The soil test was good. Groundwater was monitored during the
high water month of May and is not present. A conservative design has been completed,
similar to Block 4, Lot 11.
The neighboring lots are mostly developed. This site should not negatively impact any of
the other area lots. The lot slope is relatively flat and drops off in the rear of the lot.
Please review the wastewater system design for the 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, I'll
Design Enclosures
bNEERINGI
Tablelands S/D, Lot 12, Block 4
SPECIFICATIONS & DESIGN GUIDELINES
Wastewater System Sizing: This is a new 4 -bedroom, single family home. Most of the
neighboring lots are developed. Groundwater was monitored during the high time of the
year and was present at 11' at the septic system site. The system was redesigned &
elevated to a 6' depth. A conventional septic system is designed similar to the design on
lot 11, Block 4. This lot is over 1 acre in size and no adverse impacts are expected from
development. The neighboring lots are similar. The lots are served by a public water
system. No conflicts to the other lots will take place by this septic system construction.
The easements are located on the drawing and are not encroached upon. Soil tests
revealed sandy soil with low silt. An application rate of 1 GPD/FV with 0.5 reduction
factor for utilizing a 5' wide trench. Trench Length = 600 FT=/5'x .5 reduction factor =
60'; 1 line @ 60'. No bedrock was encountered.
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, 1250 gallon septic tank. Watertight couplings on inlet & outlet.
• 5' minimum between the tank and bed. 10' to property lines.
• 3' of cover or insulation is required for trench; an equivalent of 1" insulation for each foot
soil cover.
• Tank & solid pipe must be set on well compacted, stable soil.
• 4 inch diameter cleanouts with airtight caps are required V to 4' 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' 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.
• In solid pipe runs, ASTM D-3034 may be used in lieu of cast iron.
• Trench to be placed level, minimum of 4' to groundwater, 6' to bedrock from drain -rock.
• Drain rock to be 1/2 inch to 2'/z inch screened. Drain rock to be distributed uniformly
throughout the trench.
• Perforated pipe to be installed level with perforations down.
• Silt barrier (filter fabric) to be installed above the drain rock.
• Smeared trench sides must be raked or scarified before drain rock placement.
• Backfill over drain rock must not be less than 36".
• The finish grade must be mounded to promote drainage over the trench.
• Insulation must be placed over any pipe installed under driveways or parking areas.
• Approved pipe materials include cast iron, PVC ASTM D3034, PVC ASTM F789, ABS
ASTM D2661,
• Sewer Service Line is minimum 2% slope.
• If the slope exceeds 25% within 50' of trenches, regrade to maintain it less than 25%.
• Septic Tank to be pumped every two years or when required.
• Insulation board to be extruded direct burial polystyrene (Dow Styrofoam HI or equal)
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n' S❑ILS LOG - PERC❑LATI❑N TEST
I
ar-lliTHRU— Date Performed: 5/12/06
1NEERING
Performed For; Spinell Homes
Legal Description: Lot 12, Block 4
1
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
DEPTH
(FEET)
Organic
'Y.
SP
Sand
.:'.> • •::: w/Gravel
Slope < 5%
Groundwater? No
Depth
Water Depth
After Monitoring. None Datel 5/15/06 & 5/20/06
#
Date
Gross Time
Net Time
Depth
Net Drop
1
5/20
0
--
4'
--
2
5/20
24
24 min.
10'
6'
3
5/20
30
--
4'
--
4
5/20
54
24 min.
10'
6'
5
5/20
60
--
4'
--
6
5/20
84
24 min.
10'
6'
21 - ' ' Percolation Rate 4 min./inch Perc Hole Diameter 6'
Test Run Between 3' and 4'
CommentstPre-Snaked
Performed By NorthRiri Fng, I CERTIFY THAT THIS TEST WAS
Performed in Accordance with All State/Municipal Guidelines in Effect
ON THIS DATE. DATEI 5/20/06
NORTHRIM ef
ENGINEERING17237 Bear Paw CirclelEagle River. Alaska 99577
907-694-7028
THE TABLELANDS S/D
GEOTECHNICAL T,H. 1
LOT 12
BLOCK 4
I f 2
t
' ' , S❑ILS LOG - PERCOLATION TEST
�LIVI
TF (� — Date Performed: 5/12/06
E�.'it INEERING
Performed For: Spinel( Homes
Legal Description: Lot 12, Block 4
1 -
2 -
3 -
4 -
5 -
6 -
7 -
e -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
21 -
DEPTH
(FEET)
Slope < 5%
Groundwater? No
Depth
Water Depth
After Monitoring. None Date: 5/15/06 & 5/20/06
#
Organic
Gross Time
Net Time
'
SP
17237 Bear Pow Circle
Eagle River. Alaska 99577
Sand
0
--
6'
w/Gravel
2
5/20
20
20 min.
12'
Slope < 5%
Groundwater? No
Depth
Water Depth
After Monitoring. None Date: 5/15/06 & 5/20/06
#
Date
Gross Time
Net Time
De th
17237 Bear Pow Circle
Eagle River. Alaska 99577
5/20
0
--
6'
gNetDro1
2
5/20
20
20 min.
12'
3
5/20
30
--
6'
4
5/20
50
20 min.
12'
6'
5
5/20
60
--
6'
--
6
5/20
1 80
20 min.
12'
6'
Percolation Rate 3.5 min./inch Perc Hole Diameter 6'
Test Run Between 3' and 4'
Comments:Pre-Sanked
Performed By NnrthRim Eng. I —
Performed in Accordance with All
❑N THIS DATE. DATE: 5/20/06
CERTIFY THAT THIS TEST WAS
ate/Municipal Guidelines in Effect
THE TABLELANDS S/D
GEOTECHNICAL T.H. 2
LOT 12
BLOCK 4
5/16/06 2 of 2
�"NtA t
OFa
NORTHRIM
ENGINEERING
17237 Bear Pow Circle
Eagle River. Alaska 99577
ac�su
907-694-7028
CERTIFY THAT THIS TEST WAS
ate/Municipal Guidelines in Effect
THE TABLELANDS S/D
GEOTECHNICAL T.H. 2
LOT 12
BLOCK 4
5/16/06 2 of 2
Municipality of Anchorage
Development Services Department
�r Building Safety Division
On -Site Water and Wastewater Program
4700 South Bragaw St.
P.O. Box 196650 Anchorage, AK 99519-6650
www.muni.org/onsite
(907)343-7904
ON-SITE SEWER/WELL SUBMITTAL COMMENT SHEET
To: NorthRim Engineering
Legal description: Tablelands Block 4 Lot 12
The attached paperwork has been reviewed and is being returned for the following reasons:
❑ Original signature or stamp missing on
❑ Calculation error in design. _
❑ Additional soils information needed.
/ ® Water monitoring results inadequate. Field visit on 5/30/06 found water in monitoring tubes.
11' for THl and B' for TH2.
❑ Discrepancy In information submitted.
✓ ® Topographic information missing or inadequate. Slopes found to be >25% within 50' downhill
of the primary and reserve field. Please address.
❑ Incomplete; missing _
❑ Incomplete; missing _
❑ Additional adequacy test information needed.
❑ Water sample unacceptable. _
❑ Measured/proposed distances/dimensions missing.
❑ Locations of all soils, percolation and water monitoring tests not shown. _
❑ Proposed system too deep for soils information submitted. _
❑
Well log required. _
❑ Omission in narrative. _
❑ Insufficient fill over tank or field._
❑ Other. _
Name of reviewer. Deb Wockenfuss
Date: 5/30/06
Please supply the necessary information and re -submit your request.
LEAVE THIS FORM ATTACHED TO THE PAPERWORK
•
•� .� �'t1Municipality of Anchorage 1,1+1
, ,
.
On-Site Water and Wastewater Program Q 3
(907) 343-7904 Y
d
c
Certificate of On-Site Systems Approval of s 8 L 9°'�
Parcel I.D. 051-801-20 Expiration Date: 1 (-1
r�s
1. GENERAL INFORMATION
Complete legal description The Tablelands Block 4 Lot 12
Location (site address) 23130 Whispering Birch Drive
Current Property owner(s) Peter Yien & Dorothy Khan Day phone
Mailing address 23130 Whispering Birch Dr. Chugiak, AK 99567
Real Estate Agent Day phone
2. TYPE OF DWELLING:
0 Single Family (w/wo ADU)
❑ Duplex
❑ Multiple Dwellings (Single Family and/or Duplex)
3. NUMBER OF BEDROOMS: q
4. TYPE OF WATER SUPPLY: TYPE OF WASTEWATER DISPOSAL:
Individual Well ❑ Individual
Individual Water Storage ❑ Holding Tank ❑
Community Class Well ❑ Community ❑
Public Water System Public Sewer ❑
WaiverNariance request for: Distance:
Received • : . _ Al Al r ,� kfliddi Date: S L4 If e
-� l
COSA to be released to the engineer,unless se requested 4Pogineer.
. COSA Fee $ 5-aL, Waiver Fee $
Date of Payment (311'/18 Date of Payment
Receipt Number 84(0q1 7 Receipt Number
COSA# 64030'5 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.
In conducting an adequacy test,I attempt to provide a thorough,conscientious engineering analysis of the system in accordance with MoA COSA
guidelines and regulations.The reported results describe the performance of the system under the conditions encountered at the time of the test,
and separation distances measured to readily identifiable features. The operational life of all wells and septic systems depend on the local soil
condition,ground water levels that may fluctuate during the year,and the water usage of the family being served by the system.These conditions
are outside the control of the evaluator of this system. All systems eventually fail and satisfactory test results do not guarantee future
performance of the system,nor do they guarantee that there are no hidden defects or encroachments.Therefore we cannot provide any warranty
for future performance, nor can we estimate remaining life of the system.The content of this report is for the sole benefit of the owner listed
above.
Name of Firm Pannone Engineering Services LLC Phone (907) 272-8218
Address P.O. Box 100217, Anchorage Ak. 99510
Engineer's Printed Name Steven R Pannone Date 5/4/2018
� OF A�,��lk
1
6. DSD SIGNATURE
�y System#1 Approved for bedrooms ••SteveN
annone:
00,,,-....CE—8149•
System#2 Approved for bedroomss ,r
_
Disapproved ��ki�DFROFES50-
Conditional approval for bedrooms, with the following stipulations:
1 , L S &e_rt.G __RZ.A44r-e4irt V)-6‘..4, O.U2A 14,2.40{ ._;--_'-.:—.3__0; (.9 r
X13 ed.rec51,0 S . 11-_
-6 - l'N4-1,40 ,(-2 l)g ' 0.4 ".(5-4
e iZ re-soil- INA. pee ctit ��
v
... ON-SITE p,,
WATER AND .
wASTEWATER o
<\'‘
PROGRAM 15
i GC
4
- L
By: _ - 1 Original Certificate Date: —i —to
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 X Nitrate Advisory
Septic System Advisory Arsenic Advisory
Well Flow Advisory Other
COSA blue sheet i c
If more than 1 septic system is on the lot:
COSA Checklist# 1 of 1
Structure served by this system 1
Certificate of On-Site Systems Approval Checklist
Legal Description: The Tablelands Block 4 Lot 12 Parcel ID:051-801-20
A. WELL DATA
Well type Public If A, B, or C provide PWSID# Well Log (Y/N)
Date completed Sanitary seal (Y/N) Wires properly protected (Y/N)
Total depth ft. Cased to ft. Casing height(above ground) in.
FROM WELL LOG AT INSPECTION
Date of test
Static water level ft. ft.
Well production g.p.m. g.p.m.
WATER SAMPLE RESULTS:
Coliform colonies/100 mL Nitrate mg/L
Arsenic ug/L Date of sample: Collected by:
B. SEPTIC/HOLDING TANK DATA
Tank Type/Material Septic/Steel Date installed 7/19/2006
Tank size 1250 gal. Number of Compartments 2 Cleanouts (Y/N) Y
Foundation cleanout(Y/N) Y Depression over tank(Y/N) N High water alarm (Y/N) N/A
Date of pumping 4/25/18 Pumper Sanitary Pumpers
C. ABSORPTION FIELD DATA
Date installed 7/19/2006 Soil rating (g.p.d./ft2 or ft2/bdrm) 1.0 GPD/SF System type Deep Trench
Length 63 ft. Width 5 ft. Gravel below pipe 4 ft.
Total depth 6 ft. Eff. absorption area 630 ft2 Monitoring tube Y Depression over field N
Date of adequacy test 4/26/2018Results (Pass/Fail) PASS For 5 bedrooms
Fluid depth in absorption field before test 25 in. Water added 750 gal. New depth 35 in.
Elapsed Time: 240 min. Final fluid depth 25 in. Absorption rate >= 750+ g.p.d.
N
Any rejuvenation treatment(past 12 mo.) (Y/N &type) If yes, give date
D. LIFT STATION
Date installed Size in gallons Manhole/Access (Y/N)
"Pump on" level at in. "Pump off' level at in. High water alarm level at in.
Datum Cycles tested Meets alarm&circuit requirements?
E. SEPARATION DISTANCES
WELL ON LOT TO:
Septic tank/lift station on lot On adjacent lots
Absorption field on lot On adjacent lots
Public sewer main Public sewer manhole/cleanout
Sewer/septic service line Holding tank
Animal containment areas Manure/animal excrete storage areas
SEPTIC/HOLDING TANK ON LOT TO:
Building foundation 10+ Property line 5+ Absorption field 5+
Water main 10+ Water service line 10+ Surface water 100+
Wells on adjacent lots 100+
ABSORPTION FIELD ON LOT TO:
Property line 10+ Building foundation 10+ Water main 10+
Water Service line 10+ Surface water 100+ Driveway, parking/vehicle storage 1 0+
Curtain drain 50+ Wells on adjacent lots 100+
F. COMMENTS
System appears to be 60% used, tank is 12 years old.
Survey on file.
G. ENGINEER'S CERTIFICATION +~'�"`\�k
kk
I certify that I have determined through field inspections and ��y��f
review of Municipal records that the above systems are in p"*: - •TH /\ ••*�r
conformance with MOA COSA guidelines in effect on this date. "4\01b. t
Engineer's Printed Name Steven Pannone j••:t}even i2.•'6rin8ne
Date 5/4/2018 O�# q.•• CE-8149
• ��/
COSA canary sheet_2-6-15.doc
Pannone Engineering Services ac
Steven R. Pannone, Principal
Registered Professional Engineer
E-mail:steve(alpanengak.com
May 8, 2018
Municipality of Anchorage
Development Services Department
On-Site Water& Wastewater Program
4700 Elmore Road
P. 0. Box 196650
Anchorage, Alaska 99519
Subject: The Tablelands B L12
Number of Bedroom Justification
I am writing to request the Certificate of Onsite System Approval be issued for this property.The system was
installed for a four bedroom house, but a five bedroom house was constructed.This system was installed in 2006
and has operated as a five bedroom house for 12 years.The system should be approved for the following reasons:
• The system has a proven track record of operating as a five bedroom system for over 12 years.The field was
tested in April of 2018 and found to be approximately 60% used and was able to absorb greater than 750
gallons in four hours.
• The system is oversized for a four bedroom system, it is actually sized for about 4.5 bedrooms.
• The system is installed in sandy soils with some gravel, having a percolation rate of 4 mpi.
• The house was constructed in 2006 using modern low-flow fixtures that reduce the water usage from the
traditional 75 gpd/p to approximately 48 gpd/p (based on AWWU flow measurements)
• The design criteria assumes that there will be two people per bedroom.That is an out of date statistic. The
typical house five bedroom house has three to five people living in it. Bedrooms do not produce water, but
people do.
• When the system does eventually fail (extrapolating the life out from its current condition,the system has
another ten to 12 years of life left in it) a new five bedroom system will be installed using the appropriate
sized tank and drain field.
Based on the above, the system is capable to safely dispose of the wastewater generated from this house. And not
cause a health concern for this or the other surrounding properties. If you have any questions or concerns, please
contact me at 907.272.8218.
Sincerely,
r
•
•
jP.Steven?➢R. Po one::
41 WICFESS
�.....
Steven R. Pannone, P.E. .
Owner/Civil Engineer
Mailing: P.U. Box 100217, Anchorage, AK 99510-0217
Physical: 332 East Manor, Anchorage, AK 99501
Telephone: (907) 272-8218 FAX: (907) 272-8211
Municipality of Anchorage
-• Development Services Department *A1
Building Safety Division
Onsite Water and Wastewater Program `
4700 Bragaw Street
P.O. Box 196650
Anchorage. AK 99519-6650
www.muni.org/onsite
(907)343-7904
CERTIFICATE OF ON-SITE SYSTEMS APPROVAL
FOR A SINGLE FAMILY DWELLING
Parcell.D. 051-1wol- 20 COSA# Olomr-m
Expiration Date: /2 r
1. GENERAL INFORMATION
Complete legal description F 22e?1_E/ /J -r iLar (Z
Location (site address) B/kL"'f f
Current Property owner(s) S PX__12L &Q41 F T f Day phone SC 7*-"
Mailing address
Lending agency
Mailing address
Real Estate Agent
Mailing Address
17
Unless otherwise requested, COSA will be held by DSD for pickup.
2. NUMBER OF BEDROOMS:
3. TYPE OF WATER SUPPLY:
Individual Well
Individual Water Storage
Community Class Well
Public Water System
Lam'
Day phone
Day phone
TYPE OF WASTEWATER DISPOSAL:
❑
Individual On-site
❑
Individual Holding Tank
❑
❑
Community On-site
❑
Public Sewer
❑
The Municipality of Anchorage Development Services Department (DSD) issues Certificates of On -Site Systems
Approval (COSA) based only upon the representations given in paragraph 4 by an independent professional civil
engineer registered In the State of Alaska. Certificates of Onsite Systems Approval are required for the transfer of
title (except between spouses) for properties served by a single-family on-site wastewater disposal and/or water
supply system. DSD also issues COSAs upon request to homeowners. Certificates of Onsite Systems Approval
are valid for 90 days from the date of issue for properties served by a private or Class C well and may be reissued
with new water sample results. (Certificates may be reissued for a period of up to one year with valid water
samples.) Certificates are valid for one year for properties served by Class A or B wells or a public water system.
The Municipality of Anchorage is not responsible for errors or omissions In the professional engineer's work.
4. 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 Onsite 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.
Name of
Address
Engineer's Printed Name "�7V_jz l- exi Ci
S. DSDSIGNATURE
y/Approve
Disapproved.
Phone
Conditional approval for bedrooms, with the following stipulations:
Attachments:
COSA Checklist X
Septic System Advisory
Well Flow Advisory
Nitrate Advisory
Arsenic Advisory
Maintenance Agreements
Supplemental Engineer's Report
Other
By: Original Certificate Date: Z �7
(Ftw. nrosx
Municipality of Anchorage
' Development Services Department
Building Safety Division
On -Site Water & Wastewater Program
4700 Bragaw Street
P.O. Box 196650
Anchorage, AK 99519-6650
www.muni.org/onsite
(907)343-7904
CERTIFICATE OF ON-SITE SYSTEMS APPROVAL CHECKLIST
Legal Description: r/YiF 724& LAM -f %9L tl CSG U LOTIZparcel ID:
A. WELL DATA ?061/C vJi}T�
Well type _
Date comple _
Total d h ft.
Date of lest
Static water vel
Well pr tion
If A, B, or C pZ
# _
Sanitary
Cased to
FROM WELL LOG
WATER SAMPLE RESULTS:
Coliform col nies/100 mL
Arsenic: �gll
B. SEPTICIHOLDING TANK DATA
ft.
g.p.m.
Nitrate mg/L
Dale of sample: _
Tank Type/Material q,&C gcef tC '%I tiK �,ST6-EL
Tank size /z SO gal. Number of Compartments Z
Foundation cleanout (YM) \J Depression over tank (YIN)
Date of pumping Pumper
C. ABSORPTION FIELD DATA
Well Log (YM)
Wires properly protect (YM)
Casing height (a a ground) in.
ATINSPEC ON
ft.
Other bacteria
Collected y _
colonies/100 mL
Dale installed _1 /zz�d
Cleanouts (Y/N)
High water alarm (Y/N)
Date installed LL V -e Soil rating (g.p.dM oP444d M / System type _7-fZg 10-hP
Length _ A< 3 ft. Width S ft. Gravel below pipe _ ft.
Total depth ft. Eff. absorption area 19Qft2 Monitoring tube 4 Depression over field AZ
Date of adequacy test d 15AJ Results (Pass/Fail) For _ bedrooms
Fluid depth in absorption field before test _ in. Water added_ gal. New depth_ in.
Elapsed Time: _ min. Final fluid depth _ in. Absorption rate >= g.p.d.
Any rejuvenation treatment (past 12 mo.) (YM & type) If yes, give date
D. LIFT STATION WA
Date installed Size in gallons Manhole/Access (YIN
'Pump on' level at in. 'Pump off" level at _ i High water alarm vel at in.
Datum Cycles tested Meets alarm ircuit requirements?
E. SEPARATION DISTANCES
SEPARATION DISTANCES FROM WELL ON LOT TO:
Septic tank/lift station on
Absorption field on lot _
Public sewer main _
Sewer /septic service liq
Animal con tainmen rel
On adjacent lots
On adjacent lots
Public sewer manhole/cleanout
Holding tank
Manure/animal excrete s)6rage areas
SEPARATION D16TANCES FROM SEPTIC/HOLDING TANK ON LOT TO:
r
Building foundation Jr r Property line _L �i` Absorption field s
Water main /0 �r Water service line �� �r Surface water
Wells on adjacent lots 210 Q .r
SEPARATION DISTANCE FROM ABSORPTION FIELD ON LOT TO:
Property line 10 'f' Building foundation d r" Water main a
/0-
Water
tWater Service line 0 r Surface water 10 13 r� Driveway, parking/vehicle storage "t
Curtain drain Wells on adjacent lots Zed r
F. COMMENTS
G. ENGINEER'S CERTIFICATION
����;:•• ""'••. ,f ,
•' SII
I certify that I have determined through field inspections and
J0*
:4S% 7
review of Municipal records that the above systems are in
MOA COSA in effect on this date.
op,
J
conformance with guidelines
Engineer's Printed Name -� l F�� — f' �cl�
�' �'; 's;e:..`w. e.v
�� c�iTr 6456 1,V
C
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<.
Date _7
F...........•
Le rc
COSA Fee $ S� Waiver Fee $
S
Date of Payment t t / `� �0 �' Date of Payment
oCCk &c
Receipt NumberReceipt Number
(Rev. 11105)
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