HomeMy WebLinkAboutCROSS VIEW ESTATES BLK 2 LT 30Cross View
Block
Lot 30
#015-221-88
Community Development Department
Development Services Division
On-Site Water & Wastewater Program
MUNICIPALITY OF ANCHORAGeL/S/'//
((.~ Phone: 907-343-7904
Fax: 907-343-7997
ON-SITE SEWER/WELL PERMIT APPLICATION
Parcel I.D. 015-221-88
Property owner(s) H2L Investments LLC
Mailing address 633 East 81 st Avenue Anchorage, AK 99518
Day phone 350-1860
Site address 5004 Heritage Heights Drive Anchorage, AK 99516
Legal description (Sub'd., Block & Lot) Cross View Estates, Block 2, Lot 30-
Legal description (Township, Range & Section)
Lot Size. 47,610 .Sq. Ft. Number of Bedrooms Six (6)
APPLICATION IS FOR:
([] all that apply)
Absorption Field []
Septic Tank []
Holding Tank · []
Privy []
Private Well []
Water Storage []
APPLICATION IS AN:
Initial []
Upgrade []
Renewal []
TYPE OF DWELLING:
Single Family (SF) []
(w/wo ADU)
Duplex (D) []
Multiple Dwellings []
(SF and/or D)
THIS APPLICATION INCLUDES A VARIANCE I 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:
Date of Payment:
Receipt Number:
Permit No. O2 ~'~
· Fees:
Date of Payment:
Receipt Number:
Waiver No.
Permit App_9-1-12.doc
August 19, 2013
Municipality of Anchorage
Development Services Department
On-Site Water and Wastewater Program
4700 South Bragaw Street
Anchorage, AK 99519-6650
Subject:
Lot 30, Block 2, Cross View Estates Subdivision
Septic System Design and Permit Application
Impacts to Adjacent Properties
Dear Onsite Services Engineer:
The owner of Lot 30, Block 2, Cross View Estates Subdivision intends to construct a
new six-bedroom home on the lot. We are therefore requesting a permit be issued for
the construction of a new well and septic system to accommodate the home. The
attached Site Plan and backup documentation identify the location and configuration of
the proposed well and septic system along with the alternate site. Also identified on the
plans are the existing wells in the area and septic systems on surrounding tots. No
conflicts exist between the proposed septic system and well or septic systems and wells
on adjacent lots. Drainage arrows and ground surface contours are shown on the site
plan showing the grade and direction of flow on the lot. The drainage pattern will not be
changed as a result of this project.
The test hole placed on the lot during the subdivision phase in the area of the
absorption trenches and alternate site indicate silty sand with gravel (SM/ML). A second
test hole will be placed prior to construction to verify the soils at the location of the
proposed alternate site. Results from the test will be forwarded to the City for review.
The percolation rate of the soil at the existing test hole was determined to be 5 minutes
per inch. No groundwater was found during the placement of the test hole and none
was noted during the monitoring period. An application rate of .6 gallons per day per
square foot was used in the design of the absorption system. We are proposing to
place a new 2,000-gallon septic tank and 2-47' long by 3' wide by 8' effective depth
absorption trenches to treat and dispose of the effluent generated in the house. The
elevation of the distribution line in the absorption trench will be 2' below the surface and
the total depth will be 10'. A flow splitter valve will be placed to insure even flow to each
trench. A minimum of 3' of fill or 2" of insulation and 2' of fill will be placed over the
absorption trench and 4' over the septic tank.
Lot 30, Block 2, Cross Point Estates Subdivision
August 19, 2013
Page Two
The ground surface on the lot in the area of the septic system slopes to the west at a
shallow grade with some cross sloping from the east. The new trenches will be
constructed parallel with the contours of the slope as much as possible in conformance
with Municipal requirements. The new septic system will be constructed a minimum of
100' from all wells and any surface water and 10' the proposed and existing water
services in the area.
If the system is constructed in accordance with our design the following statements
· apply:
The system, if constructed as designed, will have no adverse impact on the Wells
in the area Or those to be constructed in the future.
The system, if constructed as designed, will have no adverse impact on existing
septic systems in the area or those to be constructed in the future.
The system, if constructed as designed, will have no adverse impact on reserve
space, either surface or subsurface, on any lots located in the area.
The system, if constructed as designed, will have no adverse impact on drainage
patterns in the area. The current drainage pattern will be maintained.
Sincerely,
Michael E. Andemon, P.E.
Attachments
~ ~ 49th
LOT 30, BLOCK 2, CROSS VIEW ESTATES
DESIGN FACTORS: SYSTEM REQUIREMENTS:
Six Bedroom Home DeepTrench System
Perc. Rate: 5 Min./Inch 2,000 Gallon Septic Tank
Application Rate: .6 GPD/SF (Inconsistent Soils) 8' Drainfield Rock
6 Bedrooms X 150 GPD/.6 GPD/SF (Application Rate) = 1,500 SF Absorption Area
1,500 SF/16 SF/LF = 93.75 LF Trench Length
THEREFORE: Construct 2-47' Long x 3' Wide x 8' Effective Depth Absorption Trenches at the
Location Shown. Flow Line Elevation in Trench to be 2' Below Original Ground Surface. Total Depth
to be 10' Below Existing Ground. Provide 4' Cover Over Septic Tank and 3' Cover Over Absorption
Trench. Maintain 100' Separation from Wells in the Area. Place Flow Splitter Valve to Insure Even
Flow to Each Trench.
~ (~ 4" Perforated
PVC (Holes Down)
Drainfield Rock
TYPICAL DEEP TRENCH SECTION
NOTE: Grade Area Over Trench to Dra~n Away. , ~
M~n~mum 6 Separation From Bedrock. ~...~........, .......... ~..,..2~
Minimum 4' Separation From Groundwater. ~~
Minimum 100', Separation From Wells in the Area. ~'~'"~',~'~'~ON
Minimum 100 Separation From Su~ace Water or Streams- ~ ~, No c,-,~,~
SM/ML
SOIL CLASSIFICATIONS
~GW ~ OR
GP ML
GM CL
GC OL
SW MM
SP CH
SM OH
SC
DEPTH TO DATE
GROUNDWATER
DRY 8/30/2005
DRY 9/19/2005
SEE ATTACHED
SITE PLAN
DATE READING CLOCK NET TIME WATER LEVEL NET DROP
TIME (MINUTES) READING (INCHES)
9/1/05 1 2:00 - 6" -
2 2:,30 30 O" 6"
,3 2:30 - -
4
5
6
,3:00
3:00
3:30
30
`3O
SOILS LOGGED BY:
COMMENTS: * RECOMMEND USING A 0.6 APPLICATION RATE
PERFORMED BY GEO. Ltd. I, dEFFREY A. GARNESS, CERTIFY THAT THIS WAS PERFORMED
WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: l/')J,~,)~ ~ --~r I1~''~
PERCOLATION RATE *5 (NIN,/fNCH) PERC. HOLE DIA. (INCHES
TEST RUN BETWEEN 5 FT. AND 6 FT.
A FOUR HOUR PRESOAK WAS PERFORHEB: [~YES E]NO
JODY MAUS PERCOLATION TEST PERFORHED BY: CALEB GALL
IN ACCORDANCE
UH9 CC DAL 0TY0F ' H C H 0 G
Development Services Department
-27Phone- 907-343-7904
On -Site Water & Wastewater Section --- Fax: 907-343-7997
Certificate of On -Site Systems Approval
Parcel I.D. 015-221-88
1. GENERAL INFORMATION
Expiration Date: 9-2-0- Z 2 -
Complete legal description Cross View Estates Block 2 Lot 30
Location (Site address) 5004 Heritage Heights Dr, Anchorage, AK 99516
Current property owner(s) David & Carol Clemens Day phone
Mailing address 5004 Heritage Heights Dr, Anchorage, AK 99516
Real estate agent Day phone
2. TYPE OF DWELLING:
Q Single Family (w/wo ADU)
❑ Duplex
❑ Multiple Dwellings (Single Family and/or Duplex).
3. NUMBER OF BEDROOMS:
6
4. TYPE OF WATER SUPPLY:
TYPE OF WASTEWATER DISPOSAL:
Private Well
Q
Private Septic
Q
Water Storage
❑
Holding Tank
❑
Community Well
❑
Community
❑
Public Water System
❑
Public Sewer
❑
Waiver request for: Distance:
Received by:
COSA to be released to the engineer, unless otherwise requested by the engineer.
COSA Fee $ S ��
Date of Payment i!�__
Receipt Number 06 Q
COSA # 0) C
Date:
Waiver Fee $
Date of Payment
Receipt Number
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. I acknowledge that On-Site staff may visit the site to verify the information submitted.
Name of Firm Forge Engineering (M-J-) Phone (907) 522-7773
Address 1399 W. 34th Ave Suite 101, Anchorage, AK 99503
Engineer's Printed Name Benjamin Schiller, P.E. Date 5/6/2022
TH
6. DSD SIGNATURE
/• /
System #1 Approved for 6 bedrooms
Benjam' jSchillerCE
/
System #2 Approved for bedrooms �� Qhs'• 5x/2292
fF•'•....••'
Disapproved �ki,�\OFli0* �
Conditional approval for bedrooms, with the following stipulations:
�Iy 0FAA,_1'
WATER AND
WAST_VATER �^
r
t�
y: A'`� Original Certificate Date:'Z
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 Checklist blue sheet
Legal Description: Cross View Estates Block 2 Lot 30
If more than 1 septic system on lot: COSA Checklist # of
A. WELL DATA
®❑ Well log is filed with Onsite (or attached)
Date drilled 12/9/2013
Total depth 167 ft
Cased to 167 ft
®❑ Sanitary seal is functioning correctly
0 Wires are properly protected
Casing height (above ground) 18 in.
Date of flow test for COSA 4/18/22
Static water level at beginning of test 159 ft.
Comments *Flow rate limited by well pump.
B. TANK DATA
Age of tank(s) 8 years
Tank type/material Septic/Steel
Measured operating fluid level in septic tank 52
Fil Standpipes/foundation cleanout per record drawing
Date of pumping 5/4/22 A+ Home Services
D. ABSORPTION FIELD DATA Deep Trench
Which system tested (date installed) Mar 2014
®❑ ALL standpipes present per record drawing
Total measured depth from grade *17.4/14.' ft (max)
Measured depth to pipe invert from grade '8.9/3.8 ft (min)
❑ N/A — pressurized field
R Monitor tubes go to bottom of effective. If not, state
depth into effective
®❑ Code -required soil cover over field
❑ System presoaked
(Required if vacant for greater than 30 days prior to
date of test)
Gallons introduced gallons
Comments/Deficiencies: *East/West Trench
COSA Checklist yellow sheet
Parcel ID: 015-221-88
Structure served by this system
Well production at time of test •6+ gpm
Water storage tank volume gallons
Well disinfected for coliform test? ❑ Yes ❑ No
9 Coliform bacteria is Negative
Nitrate 0.721 mg/L ❑ Nitrate less than MRL (ND)
Arsenic ug/L ❑Q Arsenic less than MRL (ND)
Collected by Forge Engineering
Date of Sample 4/27/22
STATION
❑ Requir aintenance completed
Age of lift station years
Lift station material
Comments:
Adequacy test date 4/27/22
Results 0 Pass For 6 bedrooms
Fluid depth prior to test *73/61 in
Water added 2000 gal
New depth *94/82 in
Elapsed time 1440 min
Final fluid depth *75/76 in
Absorption rate '900 gpd
Any rejuvenation treatment (past 12 months)
If yes, enter date
E. SEPARATION DISTANCES
From Private Well on Lot to: (Please enter distances if less than required or if community well)
Septic Tank/Lift Station on Lot > 100'
Q✓
Yes
Community Sewer Manhole/Cleanout > 100'
ft
Q✓ Yes
if No
ft
M Yes
if No
ft
Neighboring Tank > 100' 171 Yes
if No
ft
Private Sewer/Septic Line > 25' 0✓ Yes
if No
ft
Absorption Field on Lot > 100' ❑✓ Yes
if No
ft
Holding Tank > 100' n✓ Yes
if No
ft
Neighboring Absorption Fields > 100'
if No
ft
Animal Containment > 50' Q✓ Yes
if No
ft
✓0 Yes
if No
ft
ft
If septic tank is under driveway comment below
Manure/Animal Excreta Storage > 100'
Community Sewer Main > 75' Q✓ Yes
if No
ft
❑✓ Yes
if No
ft
From Septic/Holding Tank on Lot to: (Please enter distances if less than required)
Building Foundations > 10'
Q✓
Yes
if No
ft
Surface Water > 100'
R Yes if No ft
Property Line > 5'
Yes
Yes
if No
ft
Wells on Adjacent Lots:
Absorption Field > 5'
Q✓
Yes
if No
ft
Private Wells > 100'
✓C] Yes if No ft
Water Main > 10'✓Q
ft
Yes.
if No
ft
Community Wells > 200'
P/ Yes if No ft
Water Service Line > 10'
Yes
if No
ft
If septic tank is under driveway comment below
From Absorption Field on Lot to: (Please enter distances if less than required)
Building Foundation > 10'
Yes
if No
ft
If absorption field is under driveway comment below
Property Line > 10'✓❑
Yes
if No
ft
Wells on Adjacent Lots:
Water Main > 10'
Yes
if No
ft
Private Wells > 100' 0✓ Yes if No ft
Water Service Line > 10'
E✓
Yes
if No
ft
Community Wells > 200' E✓ Yes if No ft
Surface Water > 100'
✓0
Yes
if No
ft
F. ENGINEER'S COMMENTS
G. ENGINEER'S CERTIFICATION
I certify that 1 have determined through field inspections and review
of Municipal'records that the above systems are in conformance with
MOA COSA guidelines in effect on this date.
COSA Checklist yellow sheet
�•OF
AL``il�
j • Benjarr%nchiller
CE 5/6/22 2
, .����w•��/e!