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Home My WebLink AboutKNOX Tracts B1, B2, & B3 Plat# 94-144 S-9602 MUNICIPALITY OF ANCHORAGE MEMORANDUM DATE: June 15, 1994 TO: Department of Economic Development and Planning Zoning and Platting FROM: SUBJECT: Ja~mes Cross, Acting Program Manager, On-site Services ~partment of Health and Human Services Request for Comments on Subdivision(s) June 17, 1994 The Environmental Services Division, On-site Services Section, of the Department of Health an Human Services has reviewed the following cases and has these comments: S-9602: Tracts A, B, C Knox Subdivision Tract B needs a septic reserve area of 16,000 square feet for a percolation rate of'27 minutes per inch per AMC 15.65.180.B.1. Setback to Lake Barbara must be shown on Tract A and Tract B. A well log must be submitted fom-, the existing well on Tract C to document water availability. Ail existing on-site septic systems must be shown on the plat and documented. All structures must be located. S-9606: Tracts I1 - I5 and Lots 1 - 17 Block 5 Edgewater No objections. Proposed subdivision will be served by public sewer and water. JC/ljm Please check or fill in the following: 1. Comprehensive Plan-- Land Use Classification X Residential Commercial Parks/Open Space Transportation Related Marginal Land Commercial/Industrial Public Lands/Institutions 2. Comprehensive Plan -- Land Use Intensity Special Study Alpine/Slope Affected Industrial Special Study Dwelling Units per Acre Alpine/Slope Affected Environmental Factors (if any): a. Wetland 1. Developable 2. Conservation 3. Preservation b. Avalanche c. Floodplain d. Seismic Zone (Harding/Lawson) Please indicate below if any of these events have occurred in the last five years on the property. Rezoning Subdivision Conditional Use Zoning Variance Enforcement Action For Building/Land Use Permit For Army Corp of Engineers Permit Case Number Case Number Case Number Case Number Legal description for advertising. KNOX SUBDIVISION, PARCEL B LOCATED WITHIN SE 1/4, Section 35, T16N, R1E F. Checklist Waiver 30 Copies of Plat Reduced Copy of Plat (8 V2 x 11 ) Certificate to Plat Aerial Photo v' Housing Stock Map t-'/ Zoning Map Water: Sewer: 20.003 Back (Rev. 9192) ' lYPrivate Wells b.,/"/'P rivate Septic _Fee Drainage Plan ~//7~opo ~ap 3 Copies oils Report 4 Copies Pedestrian Walkways Landscaping Requirements Community Well Community Sys, Public Utility Public Utility MUNICIPALITY OF ANCHORAGE COMMUNITY PLANNING AND DEVELOPMENT OFFICE USE P.O. Box 196650 REC'D BY: Anchorage, Alaska 99519-6650 PRELIMINARY PLAT APPLICATION Please fill in the information requested below. Print one letter or number per block. 1. Vacation Code 2, Tax Identification No. 3. Street Address 4. NEW abbreviated legal description (T12N R2W SEC 2 LOT 45 OR SHORT SUB BLK 3 LOTS 34). 5. EXISTING abbreviated legal description (T12N R2W SEC 2 LOT 45 OR SHORT SUB BLK 3 LOTS 34) full legal on back page. 6. Petitioner's Name (Last - First) R D IC , I AddressHC 31, Box 5249P City Wasillar State AK Ph°ne # 376-8697 Zip 99654 etltloner s Representative Address 17034 Eagle River Loop Road City Eagle River State AK 694-2979 99577 Phone # Zip 8. Petition Area Acreage 9. Proposed 10. Existing 11. Grid Number 12. Zone Number Lots Number Lots 13. FeeS.515.00 14. Community Council EKLUTNA VALLEY 20.003 Fronl (Rev. 9,92) · 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 fees may be assessed if the Municipality's costs to process this application exceed the basic fee. 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. ~tsts~mu/st'~vide written proof of authorization. Page two Knox Subdivision, Parcel B May 9, 1994 If you have any further questions or require additional information, please contact US. Sincerely, ( //Rob~. A. Shafer, P.E. ciple ROBERT SHAFER, P.E. ROGER SHAFER, P.E. May 9, 1994 CIVIL ENGINEERS (907) 694-2979 FAX 694-1211 HEALTH AUTHORITY APPROVALS SEWER & WATER MAIN EXTENSIONS SEWER & WATER INSPECTION ENGINEERING STUDIES AND REPORTS WELL INSPECTION & FLOW TEST SITE PL~NS ROAD DESIGN SOIL TEST PERCOLATION TEST STRUCTURAL & MECHANICAL INSPECTIONS ON SITE WASTE WATER DISPOSAL SYSTEM DESIGN Mr. Jerry T. Weaver, Jr. Platting Officer DEPARTMENT OF ECONOMIC DEVELOPMENT AND PLANNING Patting and Zoning P.O. Box 196650 ~ ,., ~' Anchorage, Alaska 99519-6650 REFERENCE: Knox Subdivision, Parcel B (Proposed Knox Subdivision, Tracts A, B, and C) Dear Jerry, We request the subdivision of the referenced property be heard by the Platting Board on July 6, 1994, and request a field survey waiver be issued by the Platting Board in accordance to Title 21.75.020.0.2. Title 21.75.020. C.2 requirements have all been met: Adequate physical and legal public access to a public highway or street is provided by Eklutna Lake Road. Eklutna Lake Road is State Highway, Route 55-61, with 50 foot of right-of-way each side of the center//ne. This right-of-way was provided for in the Statehood Act. Each parcel in the subdivision is greater than five acres in size and only three parcels will be created. The subdivision is for the sole purpose of finalizing the division of a partnership. No dedication of a street, alley, thoroughfare or other public area is involved or required. This property was previously platted in 1978 by aliquot parts (plat 78-149). 17034 NORTH EAGLE RIVER LOOP · SUITE 204 · EAGLE RIVER, ALASKA 99577 Municipality gl Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST PERFORMED FOR: LEGAL DESCRIPTION: ~/~J('~ ,,~. 2 3 7 9 ~3 14 17 18 19 20 T/3wnshi¢), Range, Section: SLOPE SITE PLAN WAS GROUND WATER ~ 0 , ENCOUNTERED? S L IF YES, AT WHAT ~ O DEPTH? P E Depth Io Water Aller Monitoring? Date: Gross Net '-] Depth to Net Reading Date Time Time Water Drop , ,, ,/ ,, PERCOLATION RATE '~ tminutes/inch) PERC HOLE DIAMETER -- TEST RUN BETWEEN ~ND '~' FT' ENTS S 8* S ENGINEERING / ./ COMM 17034 Eagle River Loop Road No. 204 ~ / _ ~-~* ~'~ ~/~'~-'~'~ ' ~/~/~-'~.//~ _Z _. _.~_~ ~ CERTIFY THAT THIS TEST WAS PERFORMED IN PERFORMED BY: ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDE~¢FFE~ ON THIS CATE' DATE: ROBERT SHAFER, P.E. ROGER SHAFER, P.E. May 30, 1994 CIVIL ENGINEERS (907) 694-2979 FAX 694-1211 HEALTH AUTHORITY APPROVALS SEWER & WATER MAIN EXTENSIONS SEWER & WATER INSPECTION ENGINEERING STUDIES AND REPORTS WELL INSPECTION & FLOW TEST SITE PLANS ROAD DESIGN SOIL TEST Municipafity of Anchorage DEPARTMENT OF HEAL TH AND HUMAN SERVICES 825 'L' Street P.O. Box 196650 Anchorage, Alaska 99519-6650 REFERENCE: Knox Subdivision, Parcel B Proposed Tracts A, B, & C Attached is a revised well and septic site plan depicting the ex/sting and proposed well sites and the septic reserve areas. Test holes were excavated and percolation tests performed. The approximate location of the test holes are located on the attached site plan. The monitoring tubes w/thin the test holes have been checked and found to be dry. We do not anticipate any adverse effects on neighboring properties by the instal/at/on of the proposed septic reserve areas. If you have any questions, or require additional information for your review, p/ease contact us. PERCOLATION TEST ; P.E. STRUCTURAL & MECHANICAL INSPECTIONS ON SITE WASTE WATER DISPOSAL SYSTEM DESIGN 17034 NORTH EAGLE RIVER LOOP o SUITE 204 ,, EAGLE RIVER, ALASKA 99577 % c??x/ Municipality o! Anchorage DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L' Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST PERFORMED FOR: LEGAL DESCR,PTION:. 2 3 4 5 7 8 9 10 11 12 13 14 15 16 ;~ CJrJr 17 18 19 20 ~ T/)wnshi~), Range, Section: SLOPE / / / WAS GROUND WATER ENCOUNTERED? SITE PLAN S IF YES, AT WHAT ~) DEPTH? p E Monilerino? ,,~-'1~--~ -~ Date: Gross Net Depth to Net Reading Date Time Time Water Drop vt,~4-" '/2 PERCOLATION RATE _'~') ._ (m~nutestmch) PERC HOLE DIAMETER COMMENTS S & S ENGINEERING /" / PERFORMED BY: ~ ~"~-,,~--A'~, /f"/// ~'"'-Y ~ CERTIFY THAT THIS TEST WAS PERFORMED IN / // ~'/ ACCORDANCE WITH ALL STATE ANDMUNICJPALGUIDE~(~ON THIS DATE. DATE: /~oRM ED FOR: 9 Municipality of Anchorage ~ DEPARTMENT OF HEALTH & HUMAN SERVICES ~ 825 "L" Street, Anchorage, Alaska 99502-0650 ~ ," No. 8~15 SOILS LOG ~ PERCOLATION TEST ~ % DATE PERFORMED: ~' SLOPE SITE PLAN WAS GROUND WATER ENCOUNTERED? S DEPTH;) J% -- P E Depth to Waler AJ[er ~, i~0nit0ring? ~"J'~' ~,1~D Dale: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O Gross Nel Depth to Net Reading Date Time Time Water Drop \ t',,'l-o --'" PERCOLATION RATE .'~'~1 ~,m~nutes/inch) PERC HOLE DIAMETER TEST RUN BETWEEN 2, ~ FT AND '~'.~--~ FT COMMENTS PERFORMED BY: :'~ ~ $ ENGINEERING I '~~ CERTIFY THAT THiS TEST WAS PERFORMED [N IT 1;'034 Eagle River Loop RD ACCORDANCEW H~'~.~Si~'j~Te~,A/~I~j~I'~J~j~- &~U~L~,~ IN EFFECT ON THIS DATE. DATE: '~-- J ~:::='~'q'"~ -- 72-008 (Rev. 4/85) Municipality o! 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 ~tTE PLAN WAS GROUND WATER ENCOUNTERED? S DEPTH? · P E Depth lo Water Gross Net 1 Depth to Net Readin9 Date Time Time Water Drop PERCOLATION RATE ~'"'J {mmules/~nch) PERC HOLE DIAMETER TEST RUN BETWEEN 5 ,5'~ FT AND ~j~,5"'"' FT COMMENTS PERFORMED BY: $ & $ ENGINEERING I 17034 Eagle River Loop Road No, 204 ACCORDANCE WI~d'~[~EJI~J~L~I~P/I~L GUIDELINES IN EFFECT ON THiS DATE. DATE: 72-008 (Rev. 4/85) e e j Municipality of Anchorag DEPARTMENT OF HEALTH & HUMAN SERVICES 825 "L" Street, Anchorage, Alaska 99502-0650 SOILS LOG -- PERCOLATION TEST SLOPE 5 6 7 8 9.J 10 11 12 13 14- 15- 16 17 18 19 2O DATE PERFO Township, Range, Section: S IF YES, ATWHAT -- O DEPTH? P E M0nil0rin0? SITE PLAN Gross Net Depth to Net Reading Date Time Time Water Drop : ,, ,, PERCOLATION RATE /(~) (minutes/tach) PERC HOLE DIAMETER , TEST RUN BETWEEN ~ .fT AND ~ FT ACCORDANCE WITH ALL S~ATE AND MUNICIPAL GUIDELINE~ ON THIS DATE. DATE: 72-~8 (Rev. 4/~) ~ . ~ Municipality of Anchorage 825 "L' Street, Anchorage, ' SOILS LOG -- PERCOLATION TEST pERFoRMED FOR: ~'~k 7~J"~l rAJ LEG A L D ESCR{P~TI 0 N :~(.~ '~ OF 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 'fownship, Range, Section: SLOPE L IF YES. AT WHAT' '~ 0 DEPTH? P E Depth Io W~ter AIter~q ~1onitoring? ~L~(' Date: SITE PLAN Gross Net Depth to Net Reading Date Time Time Water Drop PERCOLATION RATE 1% (minutes/tach) PERC HOLE DIAMETER TEST RUN BETWEEN ~ AND L~ FT PERFORMED BY: 170~4[~l--Rlv~ P . ~1 ,~. CERTiFY THA~ THIS ~EST WAS PERFORMED IN RECEIVED ioof 114 ~93 D4pt. Realth & Bumsn S4rvicss 0 0 0 0 0 0 O 0 0 0 chi O~ ~ ~ O: ~: ~: ~: O~ O 0 lx_nox ~uDdivision Case S-9602 Page 5 Resolving with Public Works Engineering the need for construction of portions of Eldutna Lake Road. Resolving the need for drainage improvements and drainage easements with Public Works Engineering. Showing all water sources on the plat and resolving the stream maintenance and protection easements with Public Works Engineering, and Physical Planning. 6. Obtaining DEC approval for drainage. Providing to Land Use Enforcement and DCPD an as-built for existing structures and slope information to determine compliance with setbacks in relation to proposed lot lines. ~.~at I~.~I/ 8 howm' areservear of · ~,~I~W g ea 16,000 s.f. for percolation rate of 2'7 minutes per inch for Tract B, and obtaining a sign-off from DHHS. 9.1~{[~howing the setback to Lake Barbara on Tracts A and B ~10'/'l*'l~°viding a well log for the existing well on Tract C to document water lll'/~'~°cating all existing wells and on-site 'aocumentation to DHHS, and septic systems and providing showing all 100' septic setbacks.. Reviewed by: Prepared by: l~Ii~hl~el J -~lVlee/han, AI-~P Director Associate Planner Post-ItTM brand fax transmittal memo 7671 [ # of pages 0005 [- ? i 00:[7 = o ,90'ggll ,9~'099I Ill .gI,O0.O0 a