HomeMy WebLinkAboutALLEN COMBS S-11713Allen Combs
511713
GARNESS ENGINEERING GROUP, Ltd.
~: CONSULTANTS & GENERAL CONTRACTORS~ u r I ,
November 5, 2008
Municipality of Anchorage
Development Service Department
On-Site Water & Wastewater Program
4700 Bragaw Street
P.O. Box 196650,
Anchorage, Ak 99519-6650
(907) 343-7904
Attention: Dan Roth
Reft Subdivision of T12N, R3W, Section 24, NNV4, SE4, NE4, N3V4,
(Proposed Lots 1 And 2, Allen Combs Subdivision)
Mr. Roth:
The home owner is proposing to subdivide the referenced property. We have been hired by the surveyor
to provide engineering services to meet the platting requirements for on-site water and wastewater. There
is an existing 3 bedroom house with a documented well and septic system on the northwest end of the
property (Proposed Lot 1). Attached is a site plan and design drawings which shows reserve sites for both
properties. Two test holes have been excavated on each property. Attached are the soil logs. Also,
attached is a topography site plan which shows there are no slope concerns with these reserve sites. Due
to the limited area on the properties for on-site septic systems, we have designed drainfield sites that will
be required to be shown on the final plat. The following plat notes must be shown on the final plat:
1. The platted drainfields for Lot 1 will require the use of a MOA approved Category 1II Advanced
wastewater system.
2. The maximum number of bedroom for either lot is limited to 4 bedrooms.
3. The platted drainfield sites for Lot 2 will require the use a lil~ station.
We are unaware of any adverse impacts this installation would have on adjacent wells or sept ic systems.
If you have anf~questions, please contact us at 337-6179. Thank you for your assistance.
3701 E. Tudor Road, Suite 101 * Anchorage, AK 99507-1259
Ph: (907) 337-6179 * Fax: (907) 338-3246 * Website: www.gamessengineering.com
I ~ J LOT 2, BLOCK A,
[ ..J_ ~ Z~aTH~ V~STA S/D
'-.~ LOT 6. BLOCK B. I / J
~. ZANTHA VISTA S/D [ ~ LOT 10, BLOCK A, / / I · I N. \
%. C'~sEPrlC t I ZANTHA VISTA S/D / ! I I \ \
\ AR ~._~ t C~SEPTIC /
I ' '
\ ] PROPOSED , 100' WELL~ ~IUS
Is
.~ HOWN ON PLA I · i~T r ~' u I< ~ '--~,, ~ '
, B,.~7~ / / ~'. . SU~m~S~ON,
~ I COMBS ~ ~
Z~l~ ~5TA S/O ( i, ) ~ ~ /~ ~ [ T12N R3W SEC 24 S2
I ~ , Y .~ [ /L~' ~ .w~, s~, .~, .w~;
~.~c ~ , .~-~-~ I F
~ I ~ ~ .'' ~ /~ // 7/~RESE~ SIT~
~o.~v,~w ~/.
', I / I I
IR~NE S/D 100' ~LL ~IU~
l" = loo' , I I~ I ~ I
-- I _~ I ,_ r--~ .....
i
~ x /
~TE'
CONSULTAN~ & GEN~L CONT~CmRS m mm m
PREPARED FOR: PHONE NUMBER: PAGE NUMAR:
-NOTE: THE RESERVE SITES WILL - ""~.~
~ REQUIRE THE USE OF A CATEGORY /~..
III ADVANCED WASTEWATER SYSTEM. / x "-~ / /~,*~-
I RESERVE SITES MUST BE SHOWN / '",,, '~//.x,~'~'
ON FINAL PLAT. / "/~-~'.
I ~ n / ~ ] 1
- ( I ;:-F~ ~ ~ ~ / /
EXISTING / ' I I ..', .~ ',-' ~': -- ~m
SEPTIC '.: ... ~. ~
It i ~ ~ ~ J I / ~ ~j ~ I
1 ~11 ~ ' . · , I I I I -'~- ~1 ~ I
', ~..-~...,'-... ~ X '~ / L./
1,,.-:;.~:.:..,..¢.-'.:,.~ ,, / ~,~ ~ / /
~ ~'"""'.'..'.'".". ~ I I~ ~ ./ ,'
/...,.'<"~...... / I1~,";
I ~ . .~' '.~x~:.~, ' .~ ... x ~ t
~->':. ~"'- ,' Xl .-'".. ,'
:__:~ .~..~..,~ ~ ..... , , -__
":.:..'. . :~ , [ / ----
' ~LE~ CO~BS S '0 LOT ~ EXlSTI~ / / ALT~NA~E SITE DESIGN CRITERIA:
7 . ~ ~ / ~LONS PER DAY (GPD): 450
~ ~ ~ ~ PERCO~TION ~/S: <1 ~0 40 MIN./INCH
~ / ~ :DRAINFIECD DESIGN:
. LENG~: 15 FEET
:X ..';'~ "'
, CONSULTANTS & ~ENE~ CON~CTO"S ' "' ' ' '"' ' ~ ."**
.................... ~ ~ ~ ~, e~r ~- A,~n ess.-'
L[~ O[SCRi~,ON: PROPOSED LOT 1; ALLEN COMBS S/D O~WN aY: ~'~ ". I??tT~O"' ..~
SUBDIVISION OF T12N, RSW, SEC 24, NW4, SE4, NE4, NW4; J.L.M. ~e~.
11 4 2008
SITE P~N FOR RESERVE SEPTIC SITES / / ]
(Rev.
RES'ERVE SITES DESdN'CRTERA: /
PRO~SED APPLI~TION ~: 1.2 / /
DRAINFIELD DESIGN: 1/ /// // ~ L----
EFFECTIVE: 5 EE f / / [ X ~ / I
REDUCTION FA~OR: N/A 1/ / [ ~ ~ / /
I './ / flV/ ' .=.co.~
SU~DI~S ON LOT I ~ ~ ~
I [ /
~~ / I ~
I .~o.o~ ~ /~ ',o~.
. ' / ~ ~ I II
~ ~2S's~~ / ~PTiC
I ~x,~,N~ / AREA~
LOT 1
I
ALLEN COMBS I =~-~ I
k[~. O,SCm. TiON: PROPOSED LOT 2; ALLEN COMBS S/D
sumv,s,o, or ~...~w. sec...w~, s~..~..w~ ~.~...
SITE P~N FOR PROPOSED WELL AND SEPTIC SYSTEM 11/4/2008
(REV. 0'1/05)
GAR'NESS ENGINEERING GROUP, Ltd.
[SOIL LOG - PERCOLATION TEST]
~ rofessJO~
DEPTH ~
~'"~IRII~II IT[ST HOLE ~1 r
~ II~II~IIOMW/ (e~ ~=~
.o,. ......
:,~-~',~., ' OW ====: ORO ...... ,
5 GM ~ SP CH ~
SC I
DEPTH TO l
GROUNDWATER DATE I
DRY 8/20/2004 j
o~Y 9/2/zoo4
i FS~T~
' / ~'=~oo' I
11 SP/GP DATE READING CLOCK NET TINE WATER LEVEL NET DROP
TIHE (HtNUTES) READING (INCHES)
14
19 PERCOLATION RATE <1 (MIN./INCH) PERC. HOLE DIA. 6 (INCHES)
TEST RUN BETWEEN 6.5 FT. AND 7.0 FT.
20 A FOUR HOUR PRESOAK WAS PERFORHED: ~ YES ~ NO
SOILS LOGGED BY: SUSAN OSWALT PERCOLATION TEST PERFORHED BY: ROB CAMPBELL
COHHENTS:
PERFORMED BY 6E6, Ltd. l, JEFFR~ A. 6ARNESS, CERTI~ THAT THIS WAS ,PEBFQRMED IN ACCORDANCE
WITH ALL STATE AND MUNICIPAL OUIDELINES IN EFFECT ON THIS DATE:
DEPTH TO
GROUNDWATER DATE
DRY 8/20/2004
DRY 9/2/2004
GARNESS ENGINEERING GROUP, Ltd. <, "H,
CO~SULT^.~S & G~.~A~ CO.T~.~CTO.S ~....:...I... ~:t..'.
ISOIL LOG - PERCOLATION TESTI ,..,,~.~.].[.,.._.~:,~...,_____. '.
LEGAL DESOR,PT,ON: T,2., RSW, SEC. 24; .W4 SE4 .E4 .W., ,¢ :.'.,~,n,:~, ~.--~or;e..-:'"~
'q~,,//".....t.Ch~." ~'~
1-- (PAGE 2 OF 2)
SOIL CLASSIFICATIONS ....... J I
2-- ~<~g~.:., GW :==~=: ORG -,~--
4 -- Q_ SW HH / J'~
~ ~TH~I
6- _-7=~ sc i
, \
Ld DEPTH TO I ',
7-- J DATE I
0 GROUNDWATER , x
8-- ~ I '"". /
re.-
co XO'~9' ,'
g-- "' [S,TE PLANl
~ / 1"=1oo' I
10-- rY
0
b_ DATE READING CLOCK NET TIHE WATER LEVEL NET DROP
11 -- Z TINE (HtNUTES) READING (INCHES)
0 8/,30/2004. 1 2:26 - 6- _
12-
<~ 2 2:56 .30 5 1/4" 5/4"
-- ,3 2:56 - 6,, _
1,3-- Lb
~ 4 ,3:26 ,30 5 1/4" ~/4-"
14-- <~ 5 5:26 -- 6- _
15--JCD 6 ,3:56 `30 5 1/4" ,3/4."
J
17--
CO
18-
PERCOLATION RATE 40 (HIN./INCH) PERC. HOLE DIA. 6 (INCHES)
19-
TEST RUN BETWEEN `3.0 FT. AND ,3.5 FT.
20-- -- A FOUR HOUR PRESOAK WAS PERFORMED: · YES [] NO
SOILS LOGGED BY: SUSAN OSWALT PERCOLATION TEST PERFORHED BY: ROB CAMPBELL
CONNENTS:
PERFORMED BY GEG, Ltd. I, JEFFREY A. GARNESS, CERTIFY THAT THIS WAS PERFORMED
IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE:
CONSULTANTS & GENERAL CONTRACTORS,
[S01L LOG - PERCOLATION TESTJ
LEGAL DESCRIPTION: T12N, RSW, BEC 24, NW4, SE,C, NE4, NW4;
PERFORMED FOR: ALLEN COMBS
DATE: 9/19/2005
ORG [CONFIRMATION TEST HOLE]
GM
SP/GP
SOILS LOGGED BY:
0il ·
SP/GP
SOIL CLASSIFICATIONS
ORG
ML
CL
GL
MH
CH
OH
SC
DEPTH TO
GROUNDWATER DATE
DRY 9/19/2005
100'
DATE READING
PERCOLATION RATE
TEST RUN BETWEEN
CLOCK I NET TIME
TIME '(MINUTES)
- (HIN./INCH) PERC. HOLE DIA.
- FT. AND - FT.
[] YES [] NO
PERCOLATION TEST PERFORMEB BY:
A FOUR HOUR PRESOAK WAS PERFORMED:
SUSAN OSWALT
WATER LEVEL NET DROP
READING (INCHES)
- (iNCHES)
COMMENTS:
PERFORMED BY OEO, Ltd. I, JEFFREY A, GARNESS, CERTIFY THAT THrS WAS P£RF~ORMED IN ACCORDANCE
WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: t ll,~'-'/O~
.... .")
~ _'Nv..."
so. ,oo -,E,OO~,T~O, TEST .; ....... i..fl/(..: .............
LEGAL DESCRIPTION: '12N', RSW, SEC 24, NW4, SE4, NE4, NW4 ~¢ ".JC/ffC~F/~,rne$$..'
1_~v-~ I-~I .Ubb i~II ·
~lilll so,, C~SS,~,O^T,ONS ,/ ; ,. , ,
2-- ~'.':id LI II ~ ~ ~ , \ I ~
· ~ :%".'rd I'] II '¢'~'.',':"~;¢~ ' G I I I I I I I MI ~.;.,.~r7 ,, ~----' ~ ~ /
-'--:."'-~!')~ILIII ~ P ~ - ~,.'4! I I //-/
~:'..,~11111 ~ sw ITITiTI ~H /,--,r ]
5--,..~i-.;]~11111 ~,%'~.~,',~ .~ //111/ ,~.. I I I'
;~¥1 I"1 II ~ Ski ~ OH -// / /
:~1 D II GROUNDWATER UA,b ..~
B--~1 Ill II D.Y ,2/1~/200.~ ~P,o ,
.~i:t.:~:l FI II~HHii .~ AREA _~..~ ~.
~-~fiill~ll TO o~Y ,o/~/~oo~ ~o~,. .- ---
;~i~1 El II SP-SM ~WN[ S/D // '-~.~- -' ' ,
:o-,.,'..:(':Cd D II ~ ,
1~- ~11~ II ~"~ TIME (MINUTES) READING (INCHES)
.~ ~i!11't II ~2/:~/200~ 1 2:12 - 6" -
~11:111 2 2:~2 ~0 0.
'~-'.~1N II I ~ ~:12 - ~,, -
i~1N II I ~ ~:42 3o o'
lO [ PERCOLATJON RATE 5 (HIN./INCH) PERC. HOLE DIA. 6 (INCHES)
TEST RUN BETWEEN 5.5 FT. AND 6.0 FT.
20--~ A FOUR HOUR PRESOAK WAS PERFORMED: · YES [] NO
SOILS LOGGED BY:. KELLY HEISTUMAN PERCOLATION TEST PERFORMED BY: BENNY iCC, US
COMMENTS:
PERFORMED BY GEG, Ltd. I, JEFFREY A. GARNESS, CERTIFY THAT THIS WAS FIER~'ORMED IN ACCORDANCE
WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: ~1!'~"/o'~
DEPTH TO
GROUNDWATER DATE
DRY 12/16/200[
DRY 1/27/2006
DRY 10/15/200~
SO L LOG - PERCOLATION TESTI \
· ' N,.;.z.~,-~yi ............. :'"'~
=--- reTEST HOLE
GW ORG
:~ ~ -~.. ~--.~ / z
3 -~*... I
· ~'=' GC OL
,~' =~,,: "-' SW NH ///
· Sk~ '~ SP CH ,
~'~: SM OH
~tU SC / TH~I
6 ~,,::...,: /
-- "'~'~:' DATE
7 ,. ..... DEPTH TO
'~'m' GROUNDWATER; ' ,
8 ~ ~.,~:?,; DRY 12/16/200~ ~PTIC
~,~,~ GP-GH DRY 1/27%200~
9 r~ ..... TO DrY 10/15/200E LOT 1,
10 --
:~;~1~11 DATE ~EADING CLOCK NET TIHE WATER LEVEL NET D~OP
11 -- ;~,~: TIME (MINUTES) READING (INCHES)
12 -- ;.'~ 12/19/2005 1 2:12 - -
2 2:42 30 O" 6"
13 · ~ .... 3 2:42
~'~' 0" 6"
.,~,~;: 4 5:12
14-- ~;~m ~ m) 5 5:12 _ 6,, _
15 -
PERCOLATION RATE 5 (~IN./INCH) PERC. HOLE DIA. 6 (INCHES)
TEST RUN BETWEEN 6.0 FT. AND 6.5 FT.
20 ~ A FOUR HOUR PRESOAK WAS PERFORMED: ~ YES ~ NO
SO~LS LOGGED BY: KELLY HEISTUMAN PERCOLATION TEST PERFORNED BY: BENNY MAUS
CONHENTS:
PERFORMED BY GEe, Ltd. I, JEFFREY A. GARNESS, CERTI~ THAT THIS WAS,.~.PERFORMED IN ACCORDANCE
WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: H
DEPTH TO
GROUNDWATER DATE
DRY 12/16/200~
DRY 1/27/2006
DRY 10/15/200~