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Home My WebLink AboutSKYHILLS PH 3 S-10419Skyhl*lls #3 5-10419 05. 07.99 11:57 FAS 907 Jai 4330 Community Pla\ + CROSS Z CO2 013 MUNICIPALITY OF ANCHORAGE PLATTING BOARD SUMMARY OF ACTION MAY 5, 1999 A. ROLL CALL Board Members Present: Caress, Cary, Penney, Poulton, Richter, Ward, Welker, Board Member Excused: Elliott Staff Present: Weaver, O'Brien, Ross, Hansen B. SUMMARY OF ACTION AND MINUTES 4/21/99 Summary of Action —APPROVED C. SPECIAL ORDER OF BUSINESS D. CONSENT AGENDA 2. Findings of Fact I� a. 5-10419 Skyhills Subdivision, Phase 3 - APPROVED t( E. OLD BUSINESS 1. Other a. S-10209 Goldenview Gate Subdivision — Modification of Conditions of Approval The Board approved modifications to the conditions of approval as follows (the original approval is shown below with the changes indicated in italics): Denial of the variances for: 1) Variance for private streets for Goldenview Gate Drive. 2) Lots not fronting a public street on Goldenview Gate Drive. 04/09/99 12:30 FAX 907 343 4220 Community Planning » CROSS 007;011 Platting Board Summary of Action April 7. 1999 Page 6 11. Verifying with Land Use Enforcement that the existing deck on proposed Lot 6 does not rise more that 30 inches above grade. If an encroachment is determined to exist, obtain a variance from the Zoning Board of Examiners and Appeals or re -design the plat to provide the required 5 -foot side yard setback. 12. Placing the following notes on the plat: (a) "The finished floor elevations shall be sited a mmunum of 18 inches higher than the street gutter.' (b) `Development on Lots 1-8 is limited to a single- family residential use. - 13. Renaming Daisey Circle as it is a duplication of street names. 14. Correcting the title block to show the plat of record is 67-131, a re -file of plat 67-122. e. S-10419 Skyhills Subdlvsion, Phase 3 Approval of the plat for sixty months subject to: 1. Resolving utility easements. 2. Entering into a mainline extension agreement with AWWU for the provision of public water. 3. Entering into a subdivision agreement to: a. Construct subdivision streets to suburban interior standards. b. Construct Lucy Street to suburban half -street standards from West 80th Avenue to Skyview Circle. C. Construct a storm drain system. 03/09/99 12:30 FAX 907 333 3::0 Community Planning a CROSS 11005:011 s Platting Board Sutn nary of Action April 7. 1999 Page 7 C. Street signs, streetlights and trait:-- - control devices. Extend the water line. 4. Redesigning the plat to incorporate the high water mark for the sedimentation pond into Tract .:,.:as well as, any access easements that may be required by Street Maintenance for future maintenance 5. Providing drainage easements as required to encompass the proposed storm drain system to include adequate area to contain the projected high water contour in the sedimentation basin cian-ed for Tract A and to contain the perimeter of the proposed dam. Drainage easements to be resolved with Public Works. 6. Resolving the final design for the storm drain. system and sedimentation basin with Public Wo-.ks per requirements of Subdivision Agreement 98-037. 7. Driveways shall not exceed 10 percent grade. S. Submitting the following information to DHHS: a. Soils logs, bearing the original stamp and signature of the engineer to be submitted for each lot in the proposed subdivision. These logs shall include soils testing, percolation testing and ground water monitoring information to confirm the suitability for development using on- site wastewater disposal systems. b. Areas designated for the primary and replacement wastewater disposal system sites must be identified and must meet all the criteria specified in AMC 156.65. C. Topographical information to be submitted. 9. Resolving with Parks and Beautification the need for additional trail easements vithin the subdivision. Zoning & Platting, CPD March 19, 1999 Cases Page 2 5-10419: SkyHills Subdivision Phase 3 Information to satisfy the requirements specified by ADiC 21.15 and AMC 15.65 must be submitted for each lot of this proposed subdivision. This information must include, but may not necessarily be limited to: 1. Soils testing, percolation testing and ground Water monitoring must be conducted to confirm the suitability for development using on- site wastewater disposal systems. Ground water monitoring must be conducted during high water season in either the fall (October) or spring (April — May). 2. Areas designated for the original and replacement wastewater disposal system sites must be identified and must meet all criteria specified in AMC 15.65, including slope and slope setback requirements. 3. T gr C aphical information must be submitted. �\4. Supporting documentation on water availability must be provided. This documentation shall include a hydrologist's report detailing Jn the affects on the existing aquifers of appropriating water for this �v pro subdivision. 5-10420: Crowberry Subdivision, Lots 1 —12 No objections. S-10421: Charles Smith Subdivision #2, Block 2 Lots 5A & 6A No objections. S-10422: Petra Subdivision, Lot 1 No objections. 5-10423: Ascot Village Subdivision #1, Lots 21 —26 No objections. 5-10424: McKay Subdivision, Lots A, B, C No objections. 5-10425: Brendlwood Subdivision, Block 9 Lots 1 — 13 No objections. 5-10426: Ridgemont Subdivision No objections. MUNICIPALITY OF ANCHORAGE COMMUNITY PLANNING AND DEVELOPMENT P.O. Box 196650 Anchorage, Alaska 99519-6650 PRELIMINARY PLAT APPLICATION A. Please fill in the information requested below. Print one letter or number per block. 1. Vacation Code 2. Tax Identification No. n 0 1i 1102837 3. Street Address OFFICE USE RECD BY: S - )octlc\ 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) AL 12 111111111111111 ^ ' Address 4) VO02 Com! re D27�Address 440 �. 'r'Y�JC� _�:L 10 3 City State A"'AK_ Ciry-C><%u2 .1C State p< Phone # T57,3 —'2)SL; Zip C� S(76 Phone # Zip 99 s C 3 7. Petitioner's Representative 8. Petition Area Acreage 9. Proposed 10. Existing 11. Grid Number 12. Zone M■a s ■m■ UNIMP 7�J7 ■ �M■■ ■■■■n■ n■ ■n 1011■■ ■n■■■ 13. Fee 14. Community Council 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 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. / 1 Date: Z l Signature " t. 'Agents must provide written proof of authorization. 30061 F. (� N J' C. Please check or fill in the following: 1. Comprehensive Plan —Land Use Classification xResidential Commercial Parks/Open Space Transportation Related 2. Comprehensive Plan — Land Use Intensity Special Study 3. Environmental Factors (if any): a. Wetland NSP` 1. Developable 2. Conservation 3. Preservation Marginal Land CommercialAndustrial Public Lands/Institutions Dwelling Units per Acre 3 Alpine/Slope Affected b. Avalanche Alpine/Slope Affected Industrial Special Study c. Floodplain d. Seismic Zone (Harding/Lawson) Z D. Please Indicate below if any of these events have occurred In the last five years an the property. Rezoning Case Number Subdivision Case Number S —) U Conditional Use Zoning Variance Enforcement Action For Building /Land Use Permit For, Army Corp of Engineers Permit E. Legal description for advertising. F. Checklist xoom e� �wv aae� Case Number Case Number 40 Copies of Plat (Long Plat) 30 Copies of Plat (Short Plat) Reduced Copy of Plat (8'h x 11) Certificate to Plat Aerial Photo Housing Stock Map Zoning Map Water. Private Wells Sewer. Private Septic Fee Drainage Plan Topo Map 4 Copies Soils Report 4 Copies Pedestrian Walkways Landscaping Requirements Community Well Community Sys. Waiver Public Utility Public Utility ANDERSON ENGINEERING. P.O. BOX 240773 ANCHORAGE, AK 99524 522-7773, 522.6779 (FAX) November 1, 1999 Municipality of Anchorage Department of Health and Human Services 825 "L" Street Anchorage, AK 99502-0260 Attention: Jim Cross, P.E. Subject: Sky Hills Subdivision, Phase III Septic System Reserve Areas Dear Jim: We . recently completed a study of the soils . underlying the proposed Sky Hills Subdivision, Phase Ill. A total of 43 testholes were placed over the 23 acre parcel to determine underlying soil conditions and the feasibility of placing septic systems on the lots. Soils encountered in the testholes were consistently clean fine sands with some silt. Percolation rates were overwhelmingly between 1 and 5 minutes per inch with only 2 exceeding 15 minutes per inch. No groundwater was found during the placement of the holes nor was any noted during the ensuing monitoring period. It is logical to assume, . therefore that groundwater will not be a factor in the construction of septic systems on these lots. Some slope flattening will be required on a few of the lots to provide the 50' separation from 25% breaks in grade. The grading will be accomplished during construction of the roadways serving the subdivision and initial lot development. Since the soils in the subdivision are so clean the migration of septic effluent will be vertical rather than lateral. A note can be placed on the plat referring to the slope flattening if necessary. Soils encountered in the subdivision are very good for the treatment of septic effluent and'sufficient area is available on each lot for.a primary and at least two backup systems. We therefore request the subdivision configuration be approved as submitted. Sincerely,N, �. QF 4 tt { .49 Michael E. Anderson, P.E. f ,• •„ „ Attachments • ti QYaEA ; / tf� : 490th i e (ij it 1. l'i T'iX >! till•Irli,! .Il?II I� I 1 i !� •��iih ° j Fix ;�p' Stli j 1 Aa -a aiM�kyiya{i!•�y •=na HAv 4..•T YI', ei177e,11�1d ir4.' t I • a• - — _ 1J— ill li(� I \IT — ; _ ■ y '115•.! :tRJ 1+1 C� • i 1 i �\:,�'—. (`•'',�1` ; 1/� 1 -TL a��.. ...---a.-•`l, "" I ! 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