HomeMy WebLinkAboutALYESKA NORTH #1 Block 2 Lot 2
~i~.' 405 WEST 271hAVENI~E, ANCHORAGE, ALASKA 99503 TELEPHONE 007/272.1151
~':(!: 10u,!y :~3, lg75
~ .~.,, . . .. ...
~}~i' '~''''' '",?~ ~: Charles Lubrecht :. -. 1
~;~'.", ""','::~'C.'"Bruce Ftcke Investments, In~,
~"'"~'~"' ' ' "A" BOX 1651
~;~:~:,~,.,.,.....,.,,...,. /.. S~r Route
~',~:':Z' .' "' :.,'~: ',;:' "":" ~' ":"'
Lubrecht: ,[ .
~. .
request":'we have tnv~st
~nal un,ts'on the extstJng se
yeska.SubdJVtsJon. Ne hav
~;.34. un ~ t''rC
a gra'wtty?,floW,
dra t nft eld.
I,"wou~d b~ ~no~her 34.u~
:.1,~ B~ock 3..~ht~ u
pump ~e'::~to' ~he
igated the possibility of placing addi-
vage system located on Lots 1 and 2A
divided our investigation into two
)~dominium on Lot 2, Block 2. This
;ystem into the septic tank upstream
handle '~he-'a'd,
.. fOPated Pipe placed, in~: a
'~"~'. '-: .,~ -eXtendS.. :from ~2. feet'· un~er
,,,,~'~<,, :~Sea.led;on t6P~-bY,':a lay
n the:area 'are gen'eral ly
.m' present ttme there
-*ha~e;120 bedrooms sh~ch produce
~ncy'and. 5o GPD oer oerson. D~
and, ~ek-~nd type 'occupancy
.,pccUoancv of 35~.' ~e would the~
lngs ~and dra~nfleld requtrement~
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condominium locatjJ on the west one-
)i:t. would have a lift station which
end of the septic'tank.
the capability of the existing
flow.
640 linear feet of 4" per- '
of 2" minus gravel. The gravel bed
to 1 foot above 'the pipe and is
-polyethylene. 'The existing gra-
sandy gravel.
~nits on the system. These units
, =load of 14,400 GPD at lO0~ occu-
~e to the seasonal characteristi~lE--
Is reasonable to assume an avera))~-'
,efore arrive at the following load-
S 399. 3 APR
1976
"C. Bruce Ficke Investments; Inc.
Loading--GPD
@ 35% Occupancy
~,040
7,560
10,o8o
)
Units on System
68 (existing)
Phase I--lO2
Phase II--136
Page 2
' 2
The present field .has an areai of 4,200 ft. which would be adequate to
handle both Phase I and Phasel II. We would therefore recommend that
-~.. ', . the field not be enlarged to ~qandle the additional loading.
','!"]The Second area we investigated is the bacteriological quality of the
-, ' ' .,,i;..i:;.iiSystem'. We have read the May:)7, 1975 report of the creek by the
"" · , .'~:,]"';Li~;; Greater AnChorage Area Borough ,Department of Environmental Quality.
..... ~' ,. ~:., .,;??This report indicates that the source of pollution is probably at the
~ .... · ', .~', hotel '
, ~.,.,.,. s drainfield. The pollution does not increase below our drain-
~?.,,,~; ,,:-i:i:~¥'::,~:]',fteld. This would indicate that the'present loading is not too much
i~j!ii,!'i]:~"i'.,'i[i'~ i:"ii¥'~.!?ifor the field. In order to i~sure bacteriological safety for this
~il;,.~.,.,,.,.,..,~,:?,,..^,,,:;~...fteld we recommend that a chlorination system be installed down
I '"' ':;.~:,-'~¥-~m of the seotic tank. We would recommend a pellet type system
'~/,,. ~ f~,:'. ' '' '~;'¢' "~"'~' ~ ' l
:~, :. ? :,::....,,:!:!~;?"such as.a Sanuril was. tewater Fhlor~nator, Model 001, with 30 minute
"~' ',i ':';::~'!:.':'](;~;JCOntact Chamber, This sYstenlwould be ins.tal!,ed between the septic
~'% ",~:~.. -,'?"':"~;?'~'/'v ',~.. ;~.,..,:,,:~tank,"' .and the drainfleld, and wpuld chlorinate tne. effluent from the
],!!]~;" .;',.: '? ¥ .!'i.'~':'!?;SePttc .,,, '~', ", ,. :.. tank prior. . to tts. ente)~t ng.. ,? t. the dra tnft el a.
.i:i?]'ii' 'i':.]...!i'.:.'i'?~i"~e.]to the long percolation d~stance from the drainfteld to the creek
~<,;' ' .. ,'.'..-..i::~ iil ];!,~:i.we .would not anti ci pate any ~Cteri ol ogi cal probl ems or chl ori ne pro-
~i?.- ".,',.?:.'?,...!.'blems in the creek. ~ ~.!
~",~';;-..' ' .:. ,/.;.',,;~?r~;, enmnl~+_, System with Phas)es I and II on line would then.cons3s~
~:;,' ':~:~:]~::'/':;;;~?.~,~'t:,'~X'~+:;"'~;~;;~n; d~-{nf~eld an~d septic tank with a chlorination system
~? '~ ; "'"?"~ ""~ '"' ":::,~;;:,?:~:v~rtng the sewage from Phase II) to the septic tank. The li, ft. station -'~?.:': ':'..'~:": ;,',~::,::;,,:':~uld be a Multi-flo submers'i~ble sewage and drainage pump aupmex-sys-
~ .":~,~.?"~;'~;.~,~JJJ'"~'-~ .:' -.,- *- *h" ~-asonal ~nature of the facility and the quality
~.;~: :;;.'~,.~x:';?~?,~:--,~ ....... ~:,-~- *~. area. t~at th3s w~ll be an adequate system. We
~,;~.'. ?..,?.~,::L,;';j:j;;;'4~,¢&~ 'o"e advantaoe' to the seasonal nature of this system ~s ~at the
~{"~J,'""',?~i/?;;;;{~.~:~]~?~;~nfYeld can "~eSt" during(the week and take the heavy loao~ng
~;:~ ' ' ,: /<"]:::-~?dUrtng the week-end. . ... ~ ,
',":':" ~'~:~J~-ol-eth~lene cover on;'thJ field should prevent any leakage to the
~ ".'~ "~?sUr~ce~ thereby forcing the'.~sewage through the grave~. ,~u~ to ~he
'~? ;::' :..."..:.,, :~":long percolation distance 'tO~the creek, an~ liquids snou~a De sate
';,'...' :::::~.~en entering that waterwa~;~ ; '
. .. . . .: ,,.., ..
Required Drainf~eld
~ 2-1/2 gal./ft.~/day_
2,016 ft. 2_
3,024 ft. 2_
4,032 ft. 2
)
C~.Bruce Ficke Investments, I~c,
:
'We' have attached copies of th~ vendors' data on both the Sanuril
~m
chlorinator. .. and the Multi-floil ft station for your information.
If you need further infomatt~n or have any questions, please call
on US.
Sincerely,
BELL, HERRING AND ASSOC.
Page 3
1975
..-~xaei lo~atlo~
.nit on the
, '" ~ f..~'...~:,.,atton o': the pellet ~e enl,
;,.,~?~.:~aI o
;
CO~.
....... /~u? !..,.~. mt~ ~o tie the P;:~.ase.
"~ for ~ou~ l~duse portal? to ~';
4
'..,,-'lea ~vtsed that
.... ~ ,~t .... ~,ent's appr,~val that
Sincerely,
Cl~ief ~anitarian
ate ~ase ,ecelve~ By
Suspense Date Comments to Planning Department
For' Planning & Zoning Commission Meeting Date
ROUTZHG
COMMENTS'
Environmental Engineering
Air Pollution
Noise
~'~"~nvi ronmental Sanitati on
