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HomeMy WebLinkAboutMACHENFELD Lots 1 & 2 Tract A-1 Plat# 93-118 S-9291 DATE: TO: MUNICIPALITY OF ANCHORAGE ~C~ ~P ~ ~ April 19, 1993 ~~ Department of Economic Development and ~lanning Zoning and Platting THRU: FROM: John Smith, P.E., Program Manager, On-site Services Department of Health and Human Services.~,~+ Susan Oswalt, On-site Services ~ Department of Health and Human S~c~s SUBJECT: Request for Comments on Subdivision(s) April 19, 1993 The Environmental Services Division, On-site Services Section, of the Department of Health and Human Services has reviewed the following cases and has these comments: S-9042: Heritage Estates Addition No objection. S-9217: Heritage Estates West Subdivision No objection. S-9291: Halcro Subdivision We have reviewed additional information submitted by the engineer for the applicant. The following deficiencies still exist: 1. Show 100' setback to all surface waters on the final plat. 2.Show proposed locations for new wells and driveways. 3.Provide groundwater monitoring through a high water season. 4. Percolation tests on Lot 2 are greater than 60 minutes per inch in areas of proposed disposal. 5. The proposed subdivision has a high groundwater table and poor soils, and as a result these lots do not contain a reserved area. The engineer has failed to adequately demonstrate the presence of three acceptable disposal sites on each lot. 6. Provide soils information on Tract A-1 which has been added to the original plat submittal. No information has been given the department on this third lot. This subdivision does not currently meet the standards set out in AMC 15.65, based on information submitted. This plat needs to be returned or denied. Department of Economic Development and Planning April 19, 1993 Page Two S-9343A: S-9377: S-9381: S-9382: S-9383: S-9384: S-9385: 85-73: S-91-2: 91-008: Sundi Lake Subdivision 1. Provide water monitoring on all test holes through May, 1993. 2. Redesign systems on Lot 16A to be in compliance with separation requirements to ground water (determined by long term monitoring). 3.Survey in and plat the three disposal sites on each lot. Add a plat note limiting bedrooms on each lot. 4. Abandon existing cesspool on Lot 16A; provide written documentation from engineer that abandonment is done. Ordinance of the MOA amending AMC Title 21 to include appropriate sections prohibiting plat stacking. No objection. Baranof Woods Subdivision No objection. Potter Pointe Subdivision This plat is substantially identical to the original Saugstad Subdivision, S-9020. However, unlike S-9020, the new plat application indicates two sanitary sewer easements. We object to designating more than one easement; the use of two will preclude the installation of a private well on Lot 4. Brandon-Hoffman Subdivision Provide proof of connection to public sewer and water for existing dwelling on Lot 5. Forest Ridge Subdivision This plat is missing multiple components of the minimum filing requirements. DHHS will not review this submittal until the missing documents are provided. Eagle Crossing Subdivision No objection. Forest Ridge Subdivision Agreement Extension No objection to the time extension. Concord Hills Phase III, IV, v Subdivision No objection. Brookwood Hills North Subdivision Extension No objection to time extension. RECEIVED I~AR 1 8 Municip~t~tY of Anchorscje Dept, Health & Human Services ,50 100 1,50 SCALE; I" = 100 Fl', TDBBEN SPURKLAND P.E. 203 W 15TH. AVENUE ANCH, AK. 99501 / / £,50 $00 Bed 3 Beep 38 t Wide 50 Fee Ion9 A/osorRt/on Bed Feet Beep 36 Feet Wide 70 Fee~ long I. PH 4/8/o 1 HALCRO ESTATES SEC 10 TI£N R4W ROBERT HALCRD SEPTIC SYSTEM DESIGN ])ATE, M,4RCH 18, 1993 SHEET, I/3 GRID, £££4 203 W 15th. A¥~nue, Suite 206 ANCHORAGE, ALASKA 99501 (907) 279'4916 SEPTIC SYSTEM DESIGN LOT ' 2 H ALCRD ESTATE ROBERT HALCR0 (i:)FOL.H"HJ Wa'~:E,?l" at i3 Sc:~i ]. Rat :i. ng ,, 6() ~,', i n / i n ::;= ,, :~i E] a ]../sci . f t'. ,, E~E,c:; (-'~r' E, a 2500 SYSI'EM CONEIGURATIO~ BED TOTAL LENGTH TOTAL WIDTH TOTAL DEPTH ROCK DEPTH COVER SEPTIC TANK LIFT STATION 70 FT. 56 Fl'. 5 FT. .5 FT. 5 FT. 1500 GAL. 500 GAL STEP 'l"h(...~ ir~s't:<:~]. ].,:'t::i on c:,f thJ. ::. ~....Jc~]. ] and sept :i. c: :::yst~:.~n :~i :t I not i ml::)act ~:':iCJ.j~iC;:J.::'l"i'J: :J.(::)'{:.i:::. 'FI]cs, t.'~(:?:J.:J. :J.c)I:::,T:Uk:i.{::)l] (:::OI'i~:C]K"JD::: 'k(::) 'kJ"JE, s:i.'t::i. Ff(:l O'F '{:.I"mE:, (.':~xi:ting w(.:>:l.].s in '{:hE~ ,':['"(.:~a,~ and ~i].:L not (::)Wl~E~r' :::: .~ I" (::Hi~ CJ (.::F,,~(::, :[. OJ:) i I'"~ (...:J '{:'. h c:::,::::(::.;, 1 (::)'{:. ~:; OF' F' ('.:'J::) "FhC,,~F'E:, <':It"<.:.:, nc) d('..:,'/E~IC)F,<:..H:'J (:DF- n~:dr.L'd",::~l SUFf<'iC:E:' / SUb <.:S:LU"'GF:~C:E~ dFa:i.n,':u:j(:::' C:: C~LU" :::(:.?S CH"i '{1 h i ~::: CiF' '{1 J'l (i::, <TiCJ ..i <':~(::: E'~F~ '{: 1 (]'1:. f::: ,, ANCHORAGE, ALASKA 99501 (907) 279-5916 SEPTIC S¥STEH QESIGN ROBERT HALCRO BED TOTAL LENGTH TOTAL WIDTH TOTAL DEPTH ROCK DEPTH SEPTIC TANK LIFT STATION 50 FT. 38 FT. 3 FT. .5 FT. 3 FT. 1500 GAL. 500 GAL STEP [::) (~i) ,, :i. p g ,, 2 6751 ~, DIHONB BLVD. ANCHDRABE, ALASKA 99502-3906 (907} 248-5095 (ENGINEER'S SEAL) PERFORMED FOR: Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST DATE PERFORMED: Township, Range, Section: -~1~I~.~ ~,~./' ~.~..e... I, C~ SLOPE SiTE PLAN WAS GROUND WATER ENCOUNTERED? ~'/ S IF YES, AT WHAT I ~) DEPTH? I 114 p E Depth to Water ^ller hlonllorJng? 1~ ~ Dale: Gross Net Depth to Net Reading Date Time Time Water Drop 20 * PERCOLATION RATE o~/'7/ (minutes/tach) PERC HOLE DIAMETER TEST RUN BETWEEN FTAND __FT COMMENTS PERFORMED BY: --~ '~ I ~ '~ CERTIFY THAT THIS TEST WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: ~¢:C4 d~l / '7 ! /~ ~.,.~ 72-008 (Rev. 4/85) (ENGINEER'S SEAL) Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L' Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O Township, Range, Section: SLOPE WAS GROUND WATER ENCOUNTERED? SITE PLAN L IF YES, AT WHAT DEPTH? lq P O E Deplh t° Waler After / Moniloring? ~ Date: ~ Z Gross Net Depth to Net Reading Date Time Time Water Drop 8" ,,V. :0-o 5/,,'~ &" ~: ~ ~o 7 ~ '/~ PERCOLATION RATE ~-~'~ {minutes/inch) PERC HOLE DIAMETER ~--~ ~/ TEST RUN BETWEEN ,~ FT AND FT COMMENTS PERFORMED BY: ,~ ~ I "~' '~ CERTIFY THAT THIS TEST WAS PERFORMED iN 72-008 (Rev. 4/85) Municipality o! Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O Township, Range, Section: WAS GROUND WATER ENCOUNTERED? SLOPE SITE PLAN s L IF YES, AT WHAT 0 DEPTH? p E Deplh lo Waler After Monitoring? Dale: Gross Net Depth to Net Reading Date Time Time Water Drop PERCOLATION RATE ¢~ Iminules/inch) PERC HOLE DIAMETER TEST RUN BETWEEN .,~ YZ- FT AND ~ FT COMMENTS PERFORMED BY: I CERTIFY THAT THIS TEST WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: ~f.,~ ~" /7 /7~,~ 72-008 (Rev. 4/85) PERFORMED FOR: Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L' Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST ,('E~GINEEI~'S SEA() ~, V '~', '~ ,~':/ DATE PERFORMED: / ¢'[~:~ ~ LEGAL DESCRIPTION: Lo J. I 3 4 7 $ Township, Range, Section: 10 11 12 13 14 15 16 17 18 19 20 SLOPE WAS GROUND WATER ENCOUNTERED? S L IF YES, AT WHAT O DEPTH? p E Deplh to Water Aller Moniloring? Date: SITE PLAN Gross Net Depth to Net Reading Date Time Time Water Drop PERCOLATION RATE ~<~ {minutes/inch) PERC HOLE DIAMETER TE~T RUN ~ETWEEN ~ 2'~- ,TAND ~ ~T COMMENTS PERFORMED BY: ~'~ ----~ I CERTIFY THAT THIS TEST WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: ~'l~/~-~ 72-008 (Rev. 4/85) PERFORMED FOR: Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST (ENGINEER'S SEAL) -. DATE PERFORMED: 7' Township, Range, Section: SLOPE SITE PLAN 10 11 12 13 14- 15 16 17 18 19 2O WAS GROUND WATER ENCOUNTERED? IF YES, AT WHAT DEPTH? Depth to Water After Monitoring? Dale: Gross Net Depth to Net Reading Date Time Time Water Drop PERCOLATION RATE I ,~ (minutes/tach) PERC HOLE DIAMETER ~:~ I~ COMMENTS PERFORMED BY: C;g~ ~,~ I CERTIFY THAT THIS TEST WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: ~2(,4'~ / *7 //qq,~ 72-008 (Rev, 4/85) (ENGINEER'S SEAL) Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 'L' Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST 1 2 3 4 5 6 7 8 9 lO 11 12 13 14 15 16 17 18 19- 20- Township, Range, Section: SLOPE SITE PLAN WAS GROUND WATER ENCOUNTERED? S L IF YES, AT WHAT DEPTH? ~[.~ pO E Depth 10 Water A~ter ~l ~/1o / ~ ~. Monitoring? Dale: Gross Net Depth to Net Reading Date Time Time Water Drop PERCOLATION RATE ~ ~:~ (m~nutes/mch) PERC HOLE DIAMETER TEST RUN BETWEEN ~::~'"' FT AND ~'~ FT COMMENTS 72-008 (Rev. 4~85) Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L' Street, Anchorage, Alaska 99502-0650 SOILS LOG m PERCOLATION TEST (ENGINEER'S SEAL) 1 2 3 4 5 6 7 8 9 10 I1 12 13 14 15 16 17 18 19 2O Township, Range, Section: SLOPE WAS GROUND WATER ENCOUNTERED? IF YES, AT WHAT DEPTH? 0eplh to Water Aller - / Moniloring? J~/~ 0ale: q SITE PLAN Gross Net Depth to Net Reading Date Time Time Water Drop PERCOLATION RAVE __ TEST RUN BETWEEN J' ~ (mmutes/~nch) PERC HOLE DIAMETER q? -,TAND ET COMMENTS 72-008 (Rev. 4185) Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 625 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST (ENGINEER'S SEAL) LEGAL DESCRIPTION: L~ ;t ~,~.~ £s4. 1 2 3 4 5 6 7 8 9 lO 11 12 13 14 15 16 17 18 19 2O DATE PERFOR.E : ½L Township, Range, Section: SLOPE T ~tN, ~ ~, ~- ~ o SITE PLAN WAS GROUND WATER ENCOUNTERED? S L IF YES, AT WHAT O DEPTH? P Deplh Io Water Alter Monitoring? Dale:. FI L,L Gross Net Depth to Net Reading Date Time Time Water Drop ~ '~//~ ~/~/,~_ & :~ - fSlt~, 0-: q~ '3c, 8 ~-/~ PERCOLATION RATE ~7 (mmules/~nch) PERC HOLE DIAMETER COMMENTS PERFORMED BY: S LL~_O~l~- , ~, ~ CERTIFY THAT THIS TEST WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUlDEL]NES IN EFFECT ON THIS DATE. DATE: 72-008 (Rev. 4i85) PERFORMED FOR: LEGAL DESCRIPTION: 2 3 4 7 '8 ~0 ~2 ~4 ~7 2O COMMENTS Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L' Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST WAS GROUND WATER ENCOUNTERED? [?;. ¢'. ;?. ::' ':~. PERFORMED: DATE Township, Range, Section: SLOPE S L IF YES, AT WHAT 0 DEPTH? P E Deplh Io Water Alter Monitoring? . Date: SITE PLAN Gross Net Depth to Net Reading Date Time Time Water Drop : i~ b ~/V Vy : ~ ~ v/~ '/~ PERCOLATION RATE ./%~ (m~nutes/inch) PERC HOLE DIAMETER ~ '1 TEST RUN BETWEEN p2-,/2~. FT AND --'~ FT 1 PERFORMED BY: I CERTIFY THAT THIS TEST WAS PERFORMED IN AOCORDANCEW,THA'LSTATEANDM N,C'PAL U'DE"NE$'NE'EO ONTH'SDATE. DATE: 72-008 (Rev. 4/85) PERFORMED FOR: Municipality o! Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST (ENGINEER'S SEAL) LEGAL DESCRIPTION: 3 4 7 8 Township, Range, Section: SLOPE SITE PLAN 10 I1 12 13 14 15 16 17 18 19- 20- WAS GROUND WATER ENCOUNTERED? S L IF YES, AT WHAT O DEPTH? p Depth to Waler Aller Monitoring? Dole: Gross Net Depth to Net Reading Date Time Time Water Drop PERCOLATION RATE ~ [,~ (m,nutes/,nch) PERC HOLE DIAMETER ~ ii COMMENTS PERFORMED BY: '~ ~ I CERTIFY THAT THIS TEST WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: 72-008 (Rev. 4/85) Municipality gl Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST (ENGINEER'S SEAL) PERFORMED FOR: LEGAL DESCRIPTION: 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19- 20- MU WAS GROUND WATER ENCOUNTERED? S IF YES, AT WHAT ~) DEPTH? p E Deplh to Waler After Monitoring? Oate: DATE PERFORMED: Township, Range, Section: TI~I~ SLOPE SITE PLAN Gross Net Depth to Net Reading Date Time Time Water Drop FI~-L ~/c~/e~, I; ~s ~p~o~.X. ,2o" PERCOLATION RATE /~ (m~nutes/~nch) PERC HOLE DIAMETER TEST RUN BETWEEN ¢'~.~ FT AND ~ FT COMMENTS PERFORMED BY: ~,~'~ I CERTIFY THAT THIS TEST WAS PERFORMED IN ACOORDANOEW,T. ALL STATE AND MDN,O,PAL GU.DE.,NES ,N EFFECT O. T.,SDATE. DATE: 72-008 (Rev. 4/85) Certified Well ~ fee% Depth of well ...~. ~ ............................. Distance to water ..~._f..a..e..~. .............. Distance to water ~vhile pumping ~:~ of .. .~ ............... gallons per hour· Description of formation ; from to ~ ~_~ ..... ~.~ :2~,a~'. ...................................... ~ ::~:-~ .................... ~.- :2':"2..':_~z ............................... ~ I~'ff . .. ~.;~.~ .......... - .... ~ - I'~ I certify thr? above true ;wd correct Driller' Drillers Co-Op Spenard, Alaska U d o o d o o ~ o o o o : 0 0 0 0 0 0 0 0 ~ 0 0 ~J bi}i o b.O ~ "4.' : e ¢0 :CO 0 c~ 0 ,Q 0 U >- C) U'~ +~ ~,/~ ~W DRILLING, [nc. k.;UN!Ci?AL'TV :;':: ;\. '-'. ...... U;]2T. " ": P.O. Box 4-1224 ,. 13~0C inJelt~atio~alAirporL [~oad I.,,C2: ' :':<'):4 (907) 274-461 ] ANCI--IO F~ AG[;, ,&LAS KA ~9¢~l~or1.:. DR~LLII'4G LOG Well Owne~ Trimble ..Use of Wel!..P°--m [Jocation (acldrcs,,: of: Township, ]'{.an,~e,, Section, ii' known; ~>r ,,,s,. ¢'; ..... ~,,c~. mah: road Lot ~3 ]>loc:< 2B Sund:k gan. t<(?. An. cl~oraee Static water level_._2.~}.O___ft. (ab'~-'¢~ (below) land .,;urface. Finish of well (chc~ck one) Screen ( ); Perforated ( ). Describe screen or perforation~_q,/A Well pumping test aL_L2.._gallons per :0ii,iX) o[ drawdown from static level. Da te el completion_. ]. 0 / l_/79 open end ( x ) (minute) feral ........... hours WELl, LOG 1)cT)ill in feet from ground surface Give details of formations p(:netrated, size o[' material, co]or and hardness __5_0_. ...... TO 55 55 TO 63 63 _TO 73 _7} ...... TO 93 93 TO 173 }_.7_.3 ..... TO 187 .1~__7__ ..... TO. 19 8 198 TO 200 ~_0__0___.TO~ 225 ~_2_~ .... TO_2 90 __ .2__9_9_ .... TO 3 O_~__ .3_95 TO_3_L5 __ 3_1~_ ..... TO~333 .... .... Clay___ a ~ _~_ _ ,s_ ~7._.n_._ .d_ Clayey_gravel ClaM and sand .... _C=~._._a Y ,.__g r ¢-x_e-.-1-&-.-_... s an d .... _~.¢_e._ .t__8_on d y.__s_$_l_ _t_y_ _.c_!_ag ..... ~ _.a..n__d_y__..c_ !.ay~ ....... }4e_t_._g~aT.e.l.l.y_.c.1 a_y.._z._s.an d y~ _s.i_l:t y_ Silty san._d_.'.f____xf~_t..e__r__g, ravel: extremely silty, would not c].esn up _ __C.omp.ac.t.e cl...gra~_e I._ an_d_.s.and.:~__col).bJ~y, w~, t ....... Or a_v..e~l.ly., c i a. y ..... CobhLes..._and. 8r av.e.1 ..... El~y ....................... ...... S i. Ll:¢,..._c J,.~.>y ................................................ i - CUST(.)i,qER ~'~-VV DRILLING, inc. (90/) 274-a6L ] DRU. LiNG LOG o Well O,.vner T]?imble _ _(_.Paf~o ·) Us(; of Wel] l.,ocaLJon (address o[: luwnstup, ]~ange Seclion. ii' known; c,,: ... Size of casing .......... Depth of Hole .............. [eel Static water level ...... ft. (above) Screen ( ); Perforated ( Describe screen or perforation Well pumping test at ...... gallons per (hour) al! drawdown from static level. Cased to ..... feet (below) land surface. Finish of "(check one) ). Date o[ completion open end ( (minute) for_ ......... hours with WELl. LOG DeIMh in feet from ground surface Give detail.~ of [,u'mations l'xmeLrated, size of material, color and hardness ); ft. 3.33 ...... TO--338: .... 3.38 ....TO--340 3A0_ ...... TO_3 3.AZ~__TO .... ........... .......... TO ......... TO.__ ..... TO ......... TO ............ TO ........ TO .......... TO_ ............ TO ........ .TO.__ __ .TO ...... G.r~q v e-l, 1.y-.-..c.1 a-y .......... Hard ~an ....... ~.in_e_s_and_...ar~d_g r.a}z.e 1 .... .,. ...... ,I_,z .. CUSTOMER PERFORMED FOR: LEGAL DESCRIPTION: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19- 2O Municipality of Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST , ./,/::> : (ENGINEER's SEAL) Township, Range, Section: T I~/'~t ~__~1,,~/ ~--~-~r..~t"(t WAS GROUND WATER ENCOUNTERED? SLOPE SITE PLAN S L IF YES, AT WHAT O DEPTH? P E Depth Io Waler Alter Monitoring? Date: Gross Net Depth to Net Reading Date Time Time Water Drop ( l~ ~/~ ~ ; o-o 15 I~'Y~ - '-I '1,5 PERCOLATION RATE I ,.~ (minutes/inch) PERC HOLE DIAMETER TEST RUN BETWEEN ~'~ FT AND '-~ Y2_.- FT PERFORMED BY: ~ ''~ , '~¢ 5 CERTIFY THAT THIS TEST WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: '~/'~0~/~'~ 72-008 (Rev. 4/85) Municipality of Anchorage PLATTING BOARD AUTHORITY APPLICATION FOR VARIANCE Applicant; Roberts Jayne Halcro ~ 9 ~'~ ('t ~' '~EI~ 'q !992 Address; 4209 Needle Circle Phone Number: 561-0000 Legal Description of Property Involved: To be known as "Halcro Estates" See Addendum !'A, fer-=legal. Present/Future Use of Property: Present: Undeveloped R-1; Future; 2 Single Family Homesites. Tax Identification Number: 01111101 This is a request for a variance from Section 21.80. 300. D of the Land Subdivision Regulations. This varianceisfor: Waiver of the lot width to lot depth ratio of one third allowing two irregular shaped lots as is described on attached addendum "B" A. The existingsituationis: an undeveloped two parcel site containing approximately 4.4 acres of R-1 land. Currently parcel two is a land locked portion of land containing approximately 36,000 square feet. There is no access to this land except through our parcel no. one. B. The grantingofthispetition would permit: The subdivision of 4.4 acres of R-1 property into two different lots. Lot one will contain approximately 112~860 square feet~ lot two will contain approximately 79~860 square feet. Before a variance may be granted, the applicant must prove that each of the following four conditions have been fulfilled. Answer each of the conditions in detail, using additional sheets it necessary. The undersigned alleges that: 1. That there are such special circumstances or conditions affecting said property that the strict application of the provisions of this ordinance would clearly be impractical, unreasonable, or undesirable to the general public. These special cimumstances or condition are: The existing lot lines, land locked portion, depth, shape, size and lack of public utilities within mn R-1 District c.reate spec.i~] circurnstance~ ~nd conditions. It is ~l,~r~ nece.~.~ary to nots the width depth ratio i~ primarily due to Sand f.ake .~horeline. 2. That the granting of the specified variance will not be detrimental to the public welfare or injurious to other property in the area in which said property is situated for the following reasons: whether deleting one lot line and adding one lot line or simply movin_a the lot line separatin~ parc. e] one effectively _mivin¢ street access to':t~at parcel which is ( continued on hddendam'-!~R") 3. That such variance will not have the effect of nullifying the intent and purpose of this ordinance or the Comprehensive Plan oftheMunicipalityforthefollowingreasons: This possibility is eliminated primarily due to the pe,~nltin~ lot ,~ize,~ with lot one h~ing 2ppwn~imat~ly f.w~nty tim~ ~nd lnf. two npprn~im2tel]y fiftemn times th~ rninimnm lot ~ize in typical R-1 znning 4. The above listed special conditions or dimumstances do not result from the action of the applicant and such conditions or circumstances do not merely constitute a pecuniary (monetary) hardship or inconvenience in that: It is merely the ~hjective of' the 2pplicant ~'.~ ,~uhdivide a piece of prr~p~rt-,y capet]c, rather into only two lots .both with access to the~treet on which they f?ont. ~[gr~atuie of Authorized Agent- ¢ ~/i~n~.tu~e of [..~O/w?,~'r ,~' Address ~Z 20-004 (Rev. 10/91)' Address City /5~ l'4' (~ H ~) ~¢~'"1'/~'~ State Phone#  MUNICIPALITY OF AHCHORAGE ECONOMIC DEVELOPMENT AND PLANNING P.O. Box 196650 ~/Cf Anchorage, Alaska 99519-6650 PRELIMINARY PLAT APPLICATION · VERIFY OWN: Please fill in the information requested below. Print one letter or number per block. Do not write in the shade8' ~ocks. 1. Vacation Code ' ¢ ~. .? ',~{~ Identification No. I/I/Id/lfl/Id/I 3. HI=W abbreviated legal description (T12N R2W SEC 2 LOT 45 OR SHORT SUB BLK 3 LOTS 34). 4. I:XISTING abbreviated legal description (T12N R2W SEC 2 LOT 45 OR SHORT SUB BLK 3 LOTS 34) full legal on back page, 1~121~1:o1' I~lo ,'1, I~lokl':l I~1~1~1~-I~1~1~1,,1~1 5. Petitioner's Name (Last- First) -, 6. Per, crier's Representalive OFFICE USE. REC'D BY: '""~ ~ 12. Community Council .~OA/~ 0 .,~ ~,.. ~" 7. Petition Area 8. Proposed 9. Existing 10. Grid Number 11. Zone Acreage Number Number Lots Lols ~.~ l~,,._/ hi, k¢l I I I~(,~,_~~,,~~ ~lzkl~l I I I~l-ltl I I I Illll ~i~sd I I IIIIIII 8. I hereby certify that (I am) (I have been authorized to act for) the owner of the property described above and that I desire to subdivide it in conformance with Chapter 21 of the Anchorage Municipal Code of Ordinances. I understand that payment of the basic subdivision fee is nonrefundable and is to cover The costs associated with processing this application, that it does not assure approval of the subdivision. I also understand that additional tees may be assessed if the Municipality's costs to process this application exceed the basic tee. I further understand that assigned hearing dates are tentative and may have to be postponed by Planning Staff, Platting Board, Planning Commission, or the Assembly due to administrative reasons. Signature *Agents must provi' e~tt6~34t)roof or authorization, 20-003 IRev 6/S9)MOA-24 Please check or fill in the following: 1. Comprehensive Plan - Land Use Classification /~' Residential Commercial Parks/Open Space Transportation Related 2. Comprehensive Plan - Land Use Intensity: :3 Special Study 3. Environmental Factors (if any): a. Wetland '~ 1. Developable ~ 2. Conservation :3 3. Preservation :3 Marginal Land Commercial/Industrial Public Lands/Institutions Dwelling Units per Acre: Alpine/Slope Affected b. Avalanche c. Floodplain d. Seismic Zone (Harding/Lawson) 'D Please indicate below if any of these events have occurred in the last five years on the property. Case Number: Case Number: Case Number: Case Number: Rezoning Subdivision Conditional Use Zoning Variance D Alpine/Slope Affected -1 Industrial ~ Special Study Enforcement Action For Building/Land Use Permit For E. Legal Description for Advertising. , _ ~--- ~,, ~ -~--/ . .,' ~ ' F. Attached written statement in accordance with AMC 21.15.130.B. stating reasons in support of the vacation. G. Checklist Waiver ~ 30 Copies of the Vacation Request '~ Reduced Copy of Vacation (8 1/2 x 11) D Certificate of Plat '~ Fee -~ Topo Map 4 Copies :3 Soils Report 4 Copies D Aerial Photo D Housing Stock Map :3 Zoning Map "] Water: ~ Private Wells -1 Sewer: :3 Private Septic 20-019 IRev 9;92)' 8ac~ Community Well Community Systems "? Public Utility -1 Public Utility VACATION OF RIGHT-OF-WAY OR EASEMENT APPLICATION Municipality of Anchorage DEPARTMENT OF COMMUNITY PLANNING & DEVELOPMENT P.O. Box 196650 Anchorage, Alaska 99519-6650 OFFICE USE REC'D BY: VERIFY OWN: AFFIDAVIT: POSTING: A. Please fill in the information requested below. Print one letter or number per block. 0. Street Address Tax I.D. Number Case Number ~F KNOWNI 1. Vacation Code Abbreviated Description of Vacation (EAST 200 FEET SOME STREET). 3. Existing Abbreviated legal description (T12N R2W SEC 2 LOT 45 OR SHORT SUB BLK 3 LOT 34). 4. Petitioner's Name (Last- First). 5. Petitioner's Representative. I>,J 1 1 -I 1 Illllllllrlll/lll Address: /'/Z-~)~::~ ,¢"y"'~Z'~r,::~,,~ ~"~z/~-~ Address:.,~"E~ 2;~/¢~ City: ',~ ~~? ¢~:~' State: / Zip Code: '~"~D~ Phone No. ~'~,'/ / Zip Code: '~;~"~2 ~ Phone No. S t at e: ,/~---4 ~"~,~/~ Petition Area Acreage. IIIII II 7. Proposed Number Lots. 8. Existing Number Lots. 9. Written Justification. 10. 11. Zone. Grid Number. 12. Fee $ 13. Community Council _:.:_~,-,--~¢,--,'- .,~ ,.~ E~. I n~,eby certify that ti ami (I have been authorized to act for) the owner of the property described above and that I desire to vacat~ it in conformance with Chapter 21 of the Anchorage Mumcipal Code ol Ordinances. I understand that payment of the basic vacation fee is nonrefundable and is to cover the costs associ~'~.d with processing this application, that it do~s not assure approval of the vacation. I also understand that additional fees may be as~l if the Municipality's cost to process this aoplication exceed ~ basic fee. I tudher understand that assigned hearing dates are tentative and may have- o be postponed by Planning Staff. Platting Board. Plann,na Comm,s~r the Assembly du~.t~ a~inistrative reasons. ; Date:( ~ ~~ ~ ~~~ ~ ,~~. - : '~;~' 20-019 fRev 9.92Y =toni 'Agents must provide w~en proof or authorization. MUNICIPALITY OF ANCHORAGE ECONOMIC DEVELOPMENT AND PLANNING P.O. Box 196650 Anchorage, Alaska 99519-6650 PRELIMINARY PLAT APPLICATION OFFICE USE REC'D BY: VERIFY OWN: Please fill in the information requesled below. Print one letter or number per block. Do not write in the shaded blocks. 1. Vacation Code 2. Tax Idenfificalion No. 0i/- lO'~ NEWabbroviatodiogaidoscription(T,2NR2WSEC2LOT45ORSHORTSUBBLK3LOTS3~ ./.~ )4 L ~O ~$T 'FE ~U LOT I EXISTING abbreviated legal description (T12N R2W SEC 2 LOT 45 OR SHORT SUB BLK 3 LOTS 34) full legal on back page. t I,I,k-Iol' k. lol,.J Iqol l Iqo, Petitioner's Name (Last. First) 6. Petitioner's Representative Address ~Z. O9 ~ C:.~ bLE City /~ NJ ~, N 0 ~¢~-1 ~'- State City A~'J'GNOJ~Ag.-'TL~'--State Phone// ~'7"7- O-)cl I Zip Petition Area 8. Proposed 9. Existing Acreage Number Number Lots Lots 10. Grid Number 11. Zone 12. Fees 13. Community Council .~/',3E) //-L~,,,---~ B. I hereby certify that (I am) (I have been authorized to act for) the owner of the property described above and that I desire to subdivide it in ~onformance with Chapter 21 of the Anchorage Municipal Code ol Ordinances. I understand thai payment of lhe basic subdivision fee is nonrefundabie and is to cover the costs associated with processing this application, that it does not assure approval of the subdivision. I also understand that additional fees may be assessed if the Municipality's costs to process this application exceed the basic fee. I further understand thai assigned hearing dates are tentative and may have to be postponed by Planning Staff, Platting Board, Planning Commission, or tire Assembly due to ndministralive reasons. ~ ~ *Agents must provi~tt~roofor authorization. 20-~3 (Rev 6/89)MOA*24 VARIANCE REQUEST ADDENDUM "A" lEGAL DESCRIPTION PARCEL NO.1 Beginning at the Government Marker on the Northeast corner of Government Section Lot Four (4) in Section 10, Township 12 North, Range 4 West, Seward Meridian, thence South along said Government Section tot Four (4), East boundary line 737.0 feet to a point on the quarter line known as Corner Number Onew; thence at a 90 degree angle going west along said quarter section line for a distance of 240 feet to a poiint on said quarter section line known as Corner Number Two ; thence at a 90 degree angle ~orth 650.4 feet to a point on the South shore line of Sand Lake known as Corner Number Three; thence East along the said South shore line of Sand Lake to the Point of Beginning known as Corner Number Four, and also known as: The East 240.0 feet of Section Lot Four (4) lying North of Souteast quarter (SE1/4) of Northwest quarter (NWl/4) located in Section 10, Township 12 North, Range 4 West, Seward Meridian, Alaska. PARCEL NO. 2: A portion of land 300 feet by 120 feet described as follows: Starting at the Government Marker at the Northwest corner of Lot Two (2} of Section 10, Township 12 North, Range 4 West, Seward Meridian on the shore line of Sand Lake and going South along the West side of Lot 2, 300.0; thence East at a 90 degree angle 120.0 feet ; thence North at a 90 degree angle to Sand Lake Shore tine; thence down the shore line meander to the point of Beginning. LOCATION: 4733 and 4753 West 88th Avenue, Anchorage, Alaska. Municipality of Anchorage PLA%TING BOARD AUTHORITY APPLICATION FOR VARIANCE Applicant: Roberta Jayne Nalcro ~ii i '":~ '.'~ .~, ~,~!~' ~'~,I' '~ ~'¢ i/'/.!i?f;;]~J" Address: 4209 Needle Circle Phone Number: 561-0000 Legal Description ofPropertylnvolved: To be known as "Nalcro Estates" See Addendum ,A, £~r--legal. Present / Future Use of Property: Present: Undeveloped R-l; Future; 2 Single Family Homesites. Tax Identification Number'. 01111101 This is a request for a variance from Section 21,80,300, D of the Land Subdivision Regulations. This varianceisfor: Waiver of the lot width to lot depth ratio of one third allowing two irregular shaped lots as is described on attached addendum "B" A. The existingsituationis: an undeveloped two parcel site containing approximately 4.4 acres of R-1 land. Currently parcel two is a land locked portion of land containing approximately 36,000 square feet. There is no access to this land except through our parcel no. one. B. Thegmntingofthispetitionwouldpermit: The subdivision of 4.4 acres of R-1 property into two different lots. Lot one will contain approximately 112~860 square feet~ lot two will contain approximately 79~860 square feet. Before a variance may be granted, the applicant must prove that each of the following four conditions have been fulfilled. Answer each of the conditions in detail, using additional sheets it necessary. The undersigned alleges that: 1. That there are such special circumstances or conditions affecting said properly that the strict application of the provisions of this ordinance would clearly be impractical, unreasonable, or undesirable to the general public. These special circumstances orconditionare: The existing lot lines, land locked portion, depth, shape, size and lack of public ~t~]~t~es within an R-1 District create special circumstances and conditions. It is also necessmry to note hhe width d~pth ratio is primarily d~e to ,Sand lake shoreline. 2. That the granting of the specified variance will not be detrimental to the public welfare or injurious to other properly in the area inwhichsaidpropertyissituatedforthefollowingreasons: whether deleting one lot line and adding one lot line or simply movin~ the lot ]Jne separating parcel one from parcel':two:we are~.-q effectively ~ivin~ street access to'that parcel which i~ ( cnntJm~ed on ~ddend~]m'-,~B") 3. That such variance will not have the effect of nulli~ing the intent and purpose of this ordinance or the Comprehensive Plan oftheMunicipalityforthefollowingreasons: This possibility is eliminated primarily due to the pegl]l~.ing l~t ~iz~ with lnt nn~ hRing ~ppp~immt~ly twenty t. im~ ~qd 1Qb h~ 2pp~pwimately fifhemn times thm minim~]m lmt ~i~ in Ky?cml R-1 zmning mPmm~ 4. The above listed special conditions or dircumstances do not result from the action of the applicant and such conditions or circumstances do not merely constitute a pecuniaw (monetaw) hardship or inconvenience in that: It is merely the rather into only two lots ~oth with access to the~treet on which they f~ont. ~atu~e of Authorized A~ent- ~ ~n~t~e 0f ~O~r/.' ~ Z , VARIANCE REQUEST ADDENDUM "B" This Variance is for: (continued) The variance is required due to the property existing conditions involving the size shape, width on Eightieth Street, depth to rear property lines established and effected by the Sand lake shoreline which at one time established the existing rear property lot lines and combined with the fact that parcel two is a land locked, waterfront lot. This variance combined with the new plat will give access to both pieces of property, tot one will contain street frontage on Eightieth of 120 feet as will lot two. tot one will have a lot width of 2~0' and an average depth of aprox 710'. tot two will have a lot width of 150' with and average depth of approx. 610' 2. Continued: a land locked waterfront parcel containing approximately 36,000 square feet. It is not this proposed variance which may be detrimental to the other properties in the area as much as would be the use of this property for which it is zoned being the highest density of single family detached homes. In addition, a large number of lots on this shore of Sand lake are configured the same many with street frontage of 70' and lot depths up to 500'. Where some other lots in the area are as small as 9,000 square feet, these lots contain 112,000 and 79,000 square feet. Also, each lot will be improved with large very custom homes which are sure to increase the values of any properties in the neighborhood. MUNICIPALITY OF ANCHORAGE MEMORANDUM DATE: August 14, 1992 TO: FROM: Department of Economic Development and Planning Zoning and Platting On-site Services ~r~' ' Susan Oswalt, Department of Health and Human~vices SUBJECT: Request Comments on Subdivision(s) August 17, 1992 The Environmental Services Division, On-site Services Section, of the Department of Health and Human Services has reviewed the following cases and has these ~omments: S-8921A: Bainbridge Subdivision No objection to the time extension. S-9245: Hillstrand Subdivision No objection. S-9290A: Mc Kensie View West Subdivision - Variance No objection. S-9291: Halcro Estates Subdivision The plat application for this'subdivision does not comply with filing requirements in AMC 15.65 and 21.15. The following deficiencJ, es are noted: 1. The applicant needs to show the location of any other sewer sytems/wells within 200 feet of this proposal. 2. The waterway easement is actually a canal and will need to be represented as a surface water source. 3. The plat must show 100 foot setbacks to the canal and to the lake. 4. Soil tests and water monitoring results must be reported on DHHS forms. 5. The soil tests submitted are inadequate. Further percolation tests will be required. 6. DHHS staff were unable to locate testholes near the lake, and thus were unable to confirm water monitoring results. However, a small steel casing was found and water monitored at -5.0 feet. We will require additional water monitoring information on Parcel 2. 7. Applicant has not designated the reserve option he has chosen. After eliminating areas which fall within surface water setbacks and a well radius, it appears that providing enough land for wastewater disposal will be nearly impossible. Testholes 2 and 3 appear to fall within the setbacks. Department of Economic Development and Planning August 14, 1992 Page Two S-9291: S-9292: Continued: 8. We request information on sewer/water services which may remain from the original cabin. 9. We will require water monitoring through a seasonal high water period. This area is underlain by a tight silt layer which may be impermeable. Above this is a deep layer of organics, and in some areas, various types of fill material. We expect that there is a seasonal water table which reaches the organic layer, thus rendering areas around the lake unsuitable for on-site wastewater disposal. Contrary to the statement made by th~ engineer, the peat system in the Municipa.~was entirely a failure; experiment no new peat systems are anticipated.'~- This area is suitable for development with public sewer. We strongly recommend that sewer be extended, or that the proposed plat be denied. Susitna Elementary School Site Subdivision & Arnold L. Muldoon Subdivision No objection. SO/ljm ALASKA-¢I1UIF On'ITIEI1TAL CO[1TI OL $ UICeS, Inc. p, O. Box 240668 Anchorage, AK 99524-0668 907) 279-5553 *** FAX (907} 276-8706 SOILS TESTS OF PARCELS I AND II A portion of Section Lots 2 and 4 of N1/2, Section 10, T12N, R4~, S.M. BACKBROUND This is a portion of a~__o._l_d _h~m.~staad_o_r_tgtnally owned by a Mr. Alltson,~The cabin was located' approximately 50 feet of It was reported to me that, when Mr. Allison dug the two canals to the east of this property, the soil was spread over the existing peat, It is believed that there were beaver dams located near the existing shoreline. Some plans were made to develop these lets, but ~one came to fruition. SOILS TEST - A crawler backhoe was used to dig 5 test holes on this property. All test holes were located at least 100 feet from the water's edge. See attached map for test hole locations. Mater monitoring tubes were placed in 4 of the 5 holes. The first test hole was not monitored since there was not 2 feet of accepting oil at the site. The soils are a silty sand 2-2.5 feet deep. The trees are 2-4 inches in diameter indicating recent growth over the fill area. There Is a very wet area which is peat with some standing water. See maps, Under the fill there is between 2-4,5 feet of dry compacted peat, Under the peat is a grey silt. The peat was very dry even though the holes were below lake level, It appears that there must be a dike between the lake and the soil test areas, Two weeks after the holes were dug the testholes were still dry. Test hole #5 is located well away from the lake, nearer to East 80th Avenue, The test hole was dry to 10 feet below ground, There were mottled soils at 5 feet. The soils easily smeared indicating a high silt content, The test hole was dry at monitoring, November 15, 1990, The wet part of the lot was reportedly flooded in the spring of 1990, The neighbor ditched along the lot edge and drained some of the water. The percolation tests run on November 15-16, 1990, are typical of silty sand and silts. The rates ran between 3 and 42 minutes per inch. This is below the 60 minutes per Inch cutoff point for on-site sewer systems, / DISCUSSION - The fill does not cover the entire area. Parcel II is all fill, There Is an area on Parcel I which has some soggy low spots and relatively large birch trees. It may not be suitable for septic systems. Additional testing tn the area ts warrented for development. However, there is ample area located over. 100 feet from the lake where bed systems can be built. As these areas are limited, the selection of septic areas must be outlined first. Buildings cannot built on these areas. Another possible system could be the peat dratnfield. is presently experimental, but the results are very encouraging. This Water wells in this area are generally around 200-300 feet deep. At that depth the aquifer has a ver~ high yield. Flows of 20-30 gpm are not uncommon, A common well should be considered for this area. The soils profile indicates that the peat will have to be removed In order to set footers on the grey slit located between 4-7 feet below ground level. No load bearing studies were made on the grey silt. They were not water / saturated, so the load bearing should be reasonably good. There is a house located on the lot to the west. This single family well radius of 100 feet reduces the area where sewer systems could be built. spots and relatively large birch trees, It may not be suitable for septic systems. Additional testing in the area is warrented for development, However, there is ample area located over. 100 feet from the lake where bed systems can be built. As these areas are limited, the selection of septic areas must be outlined first. Buildings cannot built on these areas. Another possible system could be the peat drainfteld, ts presently experimental, but the results are very encouraging, Thls Water wells in this area are generally around 200-300 feet deep. At that depth the aquifer has a very high yield, Flows of 20-30 gpm are not uncommon. A common well should be considered for this area. The soils profile indicates that the peat will have to be removed in order to set footers on the grey silt located between 4-7 feet below ground level, No load bearing studies were made on the grey silt. They 'were not water / saturated, so the load bearing should be reasonably good. There is a house located on the lot to the west. This single family well radius of 100 feet reduces the area where sewer systems could be built, it appears that these tracts of land will support at least 2 lots. and possibly 3 lots, with lake frontage. SUMMARY - The soils on these lots indicate that on-site septic systems can be used. The number of lets that possibly could be developed ts between 2-3, based on the regulations now in effect. Building foundations will need to be extended through the peat and into the g~ey silts. ./ ALASKA ~UIRO[I~I~ITAL CO[1T~OL ~nclln~rincI [, ~nuironmenlal $1udies S.,;UICES, IllC. LOT TH 2 4 Subdivision 2' / ~ ~4 ~7 7 9 9 10 10 11 12 12 13 14 14 15 18 18 17 - 17 18 18 Ig 20 20 Supplemental Soils InFormaLion. Block LOT TH 2 4 7 17 18 19 20 LOT TH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 10- 17- 18- 19 20 1200 UJesl 33rd Au~nuc. $u~1¢ B · Anchoroq~. Alaska 99503 · (907) 276.1361 ALASKA I1UIROIqm I1TAL COI1TROL IBC. ~n~lln~rin(I G ~uironm~nl~l ~lu~li~s LOT TH ~ 2 3 7 8 g 10 12 13- 14 1§ 17 lg 2O Subdivision ..,/~'.~/~ Supplemental Soils InformaLion. /~ ~cf ¢ ~,~- Block ~,/ /.~/c~ . LOT LOT TH "7" .~.~ 2 ~) 2 3 ~ 3 4 ~ 4 7 10 ~ 10 - ~ 11 11 LOT TH 2 3 4 7 12 13 14 15 16 18 18 19 19. 20 20 8 g 10 11 12 13 14 15 16 17, 18- 19 20, 1200 [JUesl 33rd Aucnuc. Su,l= B · Anchora({c, Alaska 99503 · (907] 276.1361 .............. ,,,v~,~Vllll.Tk. ~.,'glllllgl.., ',Jk. llk/Ik.k,,,J, JJJl,.. 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ZONE TESTED ~ .[- ft TO A o ft TH # ~7/ READING t CLOCK TIME NET TIME DEPTH TO NET DROP RATE (min/in) DATUM FIlL PERCOLATION RATE PERFORMED ~Y Z, (min/in) ~..n<jin,~int ~, I~nuironmcnlal PERCOLATION TEST DATA SHEET ADDRESS ZIP CODE LEGAL LOCATION TOTAL DEPTH OF HOLE 2 ZONE TESTED ~)"- ft TO TH ~ ~ 2. o ft READING ! CLOCK TIME NET TIME DEPTH TO NET DROP RATE (min/in) DATUM FINAL PERCOLATION RATE PERFORMED BY ~min/in) Oz k~ Ill Ld (6Z t6# 33H ~ V3~) ,866~L Z --I