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HomeMy WebLinkAboutAUDUBON HILLS BLK 2 LT 5AAudubon Hills Block 2 Lot 5A #015-235-01 Municipality of Anchorage Community Development Department Page 1 of 3 On-Site Water and Wastewater Program 4700 Elmore St. • P.O. Box 196650 Anchorage, AK 99519-6650 • http://www.muni.org/onsite • (907) 343-7904 ON-SITE WASTEWATER INSPECTION REPORT Permit Number: OSP141472 PID Number: 015-235-01 ❑ New El Upgrade Name: Crown Pointe Homes, Inc. ABSORPTION FIELD ✓❑ Deep Trench El Shallow Trench E] Bed ❑Mound Address P.O. Box 112313 Anchorage, AK 99511 ❑ Other Phone Number of Bedrooms Soil Rating Total depth from original grade 229-1886 4 6GPD1SF 14 Ft. LEGAL DESCRIPTION Depth to pipe invert from original grade 6 Ft. Gravel depth beneath pipe 6Ft. Subdivision Block Lot Audubon Hills 2 5A Fill added above original grade 0-1 Ft. Gravel length 73 Ft. Township Range Section Gravel width 3Ft. Beds: Number of Lines Distance between lines Ft, SEPARATION DISTANCES To Septic Absorption Lift Station Holding Sewer Total absorption area Number of trenches Dist, between trenches From Tank Field Tank Line 1,168 Ft z One Ft Well >100' >100' >100' >75' >25' TANK ❑ Septic ❑ S.T.E.P. ❑ Holding ❑ Other Manufacturer Anchorage Tank Capacity 1,250Gal. Surface water >100' >100' N/A N/A Material Number of compartments Lot Line >5' >10' N/A N/A Steel Two NA Foundation >5' >10' N/A N/A LIFT STATION Manufacturer Capacity Curtain Drain None Noted Gal. Remarks Pump on level at in. Pump off level at in. High water alarm at in. Pump make and model Electrical Inspections performed by Installer PIPE MATERIAL Housetotank D3034 Tankto D3034 drainfield Sanders & Sanders _ Drainfeld F810 CO/MT D3034 Inspector MEA BENCHMARK (Assumed elevation) 100.Oft Inspection„ dates: t 2/25/15 2n 2/26/15 Location and description 3'd 9/21/15 4'” NW Corner Back Deck. COMMUNITY DEVELOPMENT DEPARTMENT APPROVAL OF A4 lloo Conditional Approval: Date ®P S •' A 49TH %J I•... .. ..... . •MICHAEL E. ANDERSON : / Ie Jt CE-4381 p� Approved ef� 0 - Date - 0�glq,o n rsyeurvn rceym._ i - i- i <uuc Municipality of Anchorage DEVEOPMENT SERVICES DEPARTMENT Page 2 of 3 4700 South Brogaw Street Anchorage, AK. 99519-6655 - 343-7904 PID NO.: 015-235-01 Permit Number: OSP141472 PLAT NO. 87-32 AUDUBON HILLS SUBDIVISION as 5i LOT 5A, BLOCK 2 -5 43,241 S.F. I I 1 LEGEND ALTERNATE SITE: Advantex Treatment System w/ 20' Long x 3' Wide x 8' Effective Depth Absorption Trench. Application Rote 2 GPD/SF. A 1 8 Si 12.6' 30.0' S2 13.1' 137.2- -T4 Mt 43.8 139.6' C5 44-4'181.2' A.G. D8als S ly 3q Sg w 1n2 Stt, e TH4 Four Bedroom Home , MT - Monitor Tube ' FCO - Foundation Clean Out TH - Test Hole a�R CO - Clean Out s �S fir, 2CO - Double Clean Out 1i � dpi o,,,1, TBM - Temporary Bench Mark PLAN AS BUILT SCALE 1" = 50' 50' 50.43'(M) 174 Municipality of Anchorage DEVEOPMENT SERVICES DEPARTMENT 4700 South Bragaw Street Anchorage, AK. 99519-6655 - 343-7904 On -Site Wastewater Disposal System or Well Inspection Report Permit Number: OSP141472 X3.1 Original Ground 97.8 � UU � N 1,250 Gallon Septic Tank Page 3 of 3 PID No.: 015-235-01 v U 98.5 F 98.0 92.4 -(--A 11 Drainfield Rock 11 1 � 92.4 73' (Total Effective Trench Length) PROFILE AS -BUILT No Scale 78.0 No Ground ater 10/31112 Alpine Drilling & Enterprises Well Log Permit Number. A6W'141472 Date of Issue: 11. 10-14 Pareei ldentifimation Number: 016235010 Date Started: -14-15 Date Completed: 1-16-95 is well located at epluvvW permit location? x Yes ❑ No Legal Description: Audubon Hills Blk 2 U 5A Property Owner [Name & Address: Capital Constructors, LLC 1515 E Tudor Road # 4 Anchorage, Alaska 99507 Borehole Data: Soil Type, Thickness &'Water Strati Depth (it) From To Method of Drilling x air rotary [] cable tool Casing type: std Stick-up 0 2 Wall Thickness: 1,14 inches silt gravellv.sill 7 3 3 7 Diameter. C inches Depth: ZQ feet Inner Type: Diameter: i inches Depth: feet siltygrrmel 9 25 _ Cas' n stickup above ground: 2 feet slit 25 39 Statle water level (from ground level): J1 feet gravelly silt 39 64 Pumping level: 70 feet after silt sandy silty gravel H2O 64 69 6 9 73 _ _ _ hours pumping L2 gpm Recovery Rate: 12 gpm. Method of Testing: air tr silt 73 75 Wen intake Opening Types ❑ Open End ❑ Open Hole x Soreened Start 2 feet Stopped ?4 feet Cj Perforations Start _feet Sopped __ feet Groat Type: bentanlf4 g aammdes Volume: 9 WATER QUALITY TESTING Coliform Co1/100ML D 9VL*-- Start Pleat St Pomp: Intake Depth __ feet Nitmtss �i� m91L Pump size -- hp Brand Name _ -- Wen Disinfected Upon Completion? x Yes ❑ No Arsenic N ug/L N1<etbod of Disinfection: -otVorhmjq§jgts Comments: WeG Driller: Alpine Drilling dr Enterprises PO Bos 110996 Anchorage AK 99511 03/25/2015 20:20 Mam Begioh Mayor 907-345-0202 ALPINE DRILLING Development Services Department Building Safety Division On -Site Water A Wastewater Program 4700 Elmore Road P.Q. Bar 196650 Anchorage, AK 99507 WWW. Ull /Q_nglfe (907) 343-7904 Pilmp Installation Log Well Drilling Permit Number- Std' 141472 Parcel Identification Number: 0152:wloo0 Date of issue: t t-10-14 PAGE 01/01 Legal De9erlptiOn 81k 2 U SA Awlubun Hiss Property f wider Name & Address - Ca001 C0t181mclorl, LLC! Crown Pointe 1815 r TWO, R05tl *4 Anchorage. Alaska 99x0"' Pump Installation Datet 7Jt 3l23. S Pump Intake Repels Below Tui) of Well %using: 12 feet Pump Manuf7eturer'9 Na41e: CansrtlfoR Pump Model: tos1E07.200 Pump SiZe 314 hp Pitless Adapter Burial Depth: NIA feet Pities Adapter Manufacturer's Nairne: NIA Pltless Adapter Installer; NIA Well Disinfected Upon Completlon;' ® Yes ❑ No Method of Disinfection: 5hlorine tsh els Comments: PUMP Installer Nalne: Aarow PUMP & YUat Service, LLC P.O. Box 110495 Anchorage, AW 98511-04% Attention: The putup Installer snail prov;d.e a Pump installation log to tho D3D wittlitt 30 tides of pump installation. F V,I���,��1 D On -Site Water & Wastewater System Permit MUNICIPALITY OF ANCHORAGE Development Services Department On -Site Water & Wastewater Program 4700 Elmore Road, PO Box 196650 Anchorage, AK 99519-6650 Telephone: (907) 343-7904 Permit Number: OSP141472 Tax Code Number: 01523501000 Work Type: WellSeptic Initial Permit Effective Dates: November 10, 2014 to November 10, 2015 Design Engineer: ANDERSON ENGINEERING Subdivision: AUDUBON HILLS Site Legal Address: AUDUBON HILLS BLK 2 LT 5A G:2739 Owner/Address: CAPITAL CONSTRUCTORS LLC 1515 E TUDOR RD #4 ANCHORAGE AK 995070000 Site Mailing Address: 12360 AUDUBON CIR, Anchorage This permit is for the construction of: Y Disposal Field Y Septic Tank N Holding Tank N Privy Lot Size in Sq Ft: 43241 Total Bedrooms: 4 Y Private Well N Water Storage All construction must be in accordance with: 1. The attached approved design. 2. All requirements specified in Anchorage Municipal code Chapters 15.55 and 15.65 and the State of Alaska Wastewater Disposal Regulations (18AAC72) and Drinking Water Regulations (18AAC80). 3. The wastewater code requires inspections during the installation. The engineer must notify the Development Services Department at least 2 hours prior to each inspection. Provide notification by calling (907) 343-7904 (24 hours). 4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather must either: A. Open and Close on the same day. B. Covered, sealed, and heated to prevent freezing. C -0j, 4I'& Received Issued By MUNICIPALITY OF ANCHORAGE Community Development Department Phone: 907-343-7904 Development Services Division Fax: 907-343-7997 On -Site Water & Wastewater Program ON-SITE SEWER/WELL PERMIT APPLICATION Parcel I.D. 015-235-01 Property owner(s) Capital Constructors, LLC Day phone 229-1886 Mailing address 1515 E. Tudor Road #4 Anchorage, AK 99507 Site address NHN Audubon Circle Anchorage, AK 99516 Legal description (Sub'd., Block & Lot) Audubon Hills, Block 2, Lot 5A Legal description (Township, Range & Section) Lot Size 43,241 Sq. Ft. Number of Bedrooms Four (4) APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING: (® all that apply) Absorption Field 0 Initial 0 Single Family (SF) El (w/wo ADU) Septic Tank Upgrade ElDuplex (D) ❑ Holding Tank ❑ Renewal F1Multiple Dwellings ❑ PrivyEl and/or D) Private Well SUBMITTA[ Water Storage ❑ OCT 2 1 2014 THIS APPLICATION INCLUDES A VARIANCE / WAIVER REQUEST FOR: Dis tance: I certify that the above information is correct. I further certify that this is in accordance with applicable Municipal Codes. 4 (Signature of property owner or authorized agent) Permit/Rush Fees: ',n)6'1— Gly : Vv Date of Payment: Receipt Number: fY610A Permit No. 05PHM12- Permit App_9-1-12.doe Fees: Date of Payment: Receipt Number: Waiver No. October 21, 2014 Municipality of Anchorage Development Services Department On -Site Water and Wastewater Program 4700 Elmore Road Anchorage, AK 99519-6650 Subject: Lot 5A, Block 2, Audubon Hills Subdivision Septic System Design and Permit Application Impacts to Adjacent Properties Dear Onsite Services Engineer: The owner of Lot 5A, Block 2, Audubon Hills Subdivision intends to construct a new four-bedroom home on the lot. We are therefore requesting a permit be issued for the construction of a new well and septic system to accommodate the home. The attached Site Plan and backup documentation identify the location and configuration of the proposed well and septic system along with the alternate site. Also identified on the plans are the existing wells in the area and septic systems on surrounding lots. No conflicts exist between the proposed septic system and well or septic systems and wells on adjacent lots. Drainage arrows are shown on the site plan showing the grade and direction of flow on the lot. The drainage pattern will not be changed as a result of this project. The test holes placed on the lot in the area of the absorption trench and alternate site indicate silty sand with gravel (SM). The percolation rate of the soil at the test hole was determined to be 24-30 minutes per inch. No groundwater was found during the placement of the test holes and none was noted during the monitoring period. An application rate of .6 gallons per day per square foot was used in the design of the absorption system. We are proposing to place a new 1,250 -gallon septic tank and a 63' long by 3' wide by 8' effective depth absorption trench to treat and dispose of the effluent generated in the house. The elevation of the distribution line in the absorption trench will be 3' below the surface and the total depth will be 11'. A minimum of 3' of fill or 2" of insulation and 2' of fill will be placed over the absorption trench and 4' over the septic tank. The ground surface on the lot in the area of the septic system slopes to the south at a shallow grade with some cross sloping from the east. The new trench will be Lot 5A, Block 2, Audubon Hills Subdivision October 21, 2014 Page Two constructed parallel with the contours of the slope as much as possible in conformance with Municipal requirements. The new septic system will be constructed a minimum of 100' from all wells and any surface water and 10' the proposed and existing water services in the area. If the system is constructed in accordance with our design the following statements apply: The system, if constructed as designed, will have no adverse impact on the wells in the area or those to be constructed in the future. 2. The system, if constructed as designed, will have no adverse impact on existing septic systems in the area or those to be constructed in the future. 3. The system, if constructed as designed, will have no adverse impact on reserve space, either surface or subsurface, on any lots located in the area. 4. The system, if constructed as designed, will have no adverse impact on drainage patterns in the area. The current drainage pattern will be maintained. Sincerely, Michael E. Anderson, P.E. Attachments col Existing Well ' PLAT N0. 87-32 ( Be 50.43'(M) f AUDUBON HILLS SUBDIVISION LOT 5A, BLOCK 2 43,241 S.F. / I \ / Existing I \ / Septic I I �_— M1ry0No0 I 1 I I LOT 5, BLOCK 2 ry1 R` ALTERNATE SITE, 1 >5 s Atlid Treatment System w/ 20' Long i' WI z 3' h. 8' Effective Depth AbsorptionI Trench. Application Rate 2 GPO/SE I 1 I Ary4rnats I I ®ns ®TMi ®rxw _ _ °o Mr------ — - � _I 73' Long ti 3' Wide 1 x B' Effective Depth I 1,250 Gallon N' =,so Absorption Trench I Septic Tank 4 of n u 50W ' QI$m uu J� Four Bedroom Home 1 ^ r $ 4 n c of _ m v n $ 1 q �a, p,C. 11 ,J S a ®n12 01H1 LEGEND S4a11 y R' \ MT —Monitor Tube FCO — Foundation Clean Out TH — Test Hole CO — Clean Out J ms Proposed 1 2C0 — Double Clean Out i ia�`wx� Well / o I I I •�qr r I4 , NOTE: raf♦♦. I NHoSopes >25% Within\ Existing All, 50' or Surface Water Well I % Within 100' of the �I 1 Proposed Septic System. \ .y�� 49th� �� � j,,,; ;, 1;"�';,1+':� 1� LOT 6A, BLOCK 2\ sg'LL-- ;MICHAEL E. ANDERff SON ,fan No. CE -4381 ti: SITE PLAN SCeaZ' 0� U ALE 1' = 50' --�� rprrg0 \ // 1pm — LOT 5A, BLOCK 2, AUDUBON HILLS SUBDIVISION DESIGN FACTORS: SYSTEM REQUIREMENTS Four Bedroom Home Deep Trench System Perc. Rate: 16-30 Min./Inch 1,250 Gallon Septic Tank Application Rate: .6 GPD/SF 8' Drainfield Rock 4 Bedrooms X 150 GPD/.52 GPD/SF (Application Rate) = 1,153.8 SF Absorption Area 1,153.8 SF/16 SF/LF = 72.1 LF Trench Length THEREFORE: Construct a 73' Long x T Wide x 8' Effective Depth Absorption Trenches at the Location Shown. Flow Line Elevation in Trenches to be 6' Below Original Ground Surface. Total Depth to be 14' Below Existing Ground. Provide 4' Cover Over Septic Tank and 3' Cover Over Absorption Trench. Maintain 100' Separation from Wells in the Area. Natural Backfill 9.1 Geotextile Fabric 6'. 4" Perforated PVC (Holes Down) M 3' Drainfield Rock TYPICAL DEEP TRENCH SECTION (NO SCALE) •moi NOTE: Grade Area Over Trench to Drain Away. p Minimum 6' Separation From Bedrock. Minimum 4' Separation From Groundwater. i Minimum 100' Separation From Wells in the Area. +"at Minimum 100' Separation From Surface Water or Streams: iia! MICHAEL E. ANDERSON No. cEC3a1 DEPTH (feet) I- 2- 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10- 11 12- 13- 14- 1 1 MUNICIPALITY OF ANCHORAGE DEVELOPMENT SERVICES DEPARTMENT 4700 BRAGAW STREET ANCHORAGE, AK 99519-6650 SOILS LOG - PERCOLATION TEST LEGAL DESCRIPTION: LOT 5A, BLOCK 2, AUDUBON HILLS PERFORMED FOR: CROWN POINIE HOMES DATE: 5/22/2014 PROJECT No.: PARCEL ID#: TECHNICIAN: A. HARALA OB/OG Q d a TEST HOLE 3 a SILTY SAND WITH GRAVEL a SM a SLOPE WAS GROUND WATER ENCOUNTERED? No IF YES @ WHAT DEPTH> S DEPTH OF WATER AFTER MO L DATE OF MO Pmfessmd Eei.e ., q,a SITE PLAN SEE SITE PLAN 111 N EFORI G NONE O NITORING 5/31/14 I 3_I+% DATE READING GROSS TIME (MINUTES) NET TIME (MINUTES) DEPTH TO WATER (INCHES) NET DROP (INCHES) TEST HOLE PRESOAKED PRIOR TO TESTING: 5/23 1 11:15 3.13" 2 11:45 30 4.25" 1.12" 3 11:46 3.00" 4 12:16 30 4.13"Mll 5 12:17 3.25" 6 12:47 30 4.38" PERCOLATION RATE: 26.8 (MIN/INCH) PERC. HOLE DIA. 6n (INCHES) TEST RUN BETWEEN: 4 FT. and 5 FT. COMMENTS: TEST HOLE PRE SOAKED PRIOR TO TEST. TEST PERFORMED BY ANDERSON ENGINEERING. I, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 2/015 15 DEPTH (feet) 1- 2- 3 - 4 - 5 - 6 - 7 - 8- 9 - 10- 11 13 14 15 16 17 18 19 MUNICIPALITY OF ANCHORAGE DEVELOPMENT SERVICES DEPARTMENT 4700 BRAGAW STREET ANCHORAGE, AK 99519-6650 SOILS LOG - PERCOLATION TEST LEGAL DESCRIPTION: LOT 5A, BLOCK 2, AUDUBON HILLS PERFORMED FOR: __ CRowN POINT HOMES DATE: 5/22/2014 PROJECT No.: PARCEL ID#: TECHNICIAN: A. HARALA TEST HOLE 4 X11 OB/OG 11 --- d d a_ a SILTY SAND WITH GRAVEL 4 SM d a 4 O n a d BOH @ 16.5' WAS GROUND WATER ENCOUNTERED? No IF YES @WHAT DEPTHS S DEPTH OF WATER AFTER MO L DATE OF M 7h i' L57 E 49th IAEL E. ANDERSON No. CE -4381 SITE PLAN FSEE SITE PLAN 2 NITORINGG NONE O ONITORIITORING 5/31/14 0 I 3_4% DATE READING GROSS TIMEJ (MINUTES) NET TIME (MINUTES) DEPTH TO WATER (INCHES) NET DROP (INCHES) TEST HOLE PRESOAKED PRIOR TO TESTING: 5/23 1 14:40 2.50" 2 15:10 30 3.75" 1.25" 3 15:11 2.38" 4 15:41 30 3.63" 1.25" 5 15:42 6 16:12 30 3.75" 1.25"" PERCOLATION RATE: 24 (MIN/INCH) PERC. HOLE DIA. 6" (INCHES) TEST RUN BETWEEN: 4_FT. and 5 FT. COMMENTS: TEST HOLE PRE SOAKED PRIOR TO TEST. I EST PERFORMED BY ANDERSON ENGINEERING. I, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 2/4/15_ MUNICIPALITY OF ANCHORAGE DEVELOPMENT SERVICES DEPARTMENT 4700 BRAGAW STREET ANCHORAGE, AK 99519-6650 DEPTH (feet) 1 - 2- 3- 4- 5 - 6- 7 - 8 - 9 - 10 - II 1 1 1 1 1 SOILS LOG - PERCOLATION TEST LEGAL DESCRIPTION: LOT 5A, BLOCK 2, AUDUBON HILLS PERFORMED FOR: CRowN POINTE HoMEs DATE: 2/8/2015 PROJECT No.: PARCEL ID#: TECHNICIAN: A. HARALA TEST HOLE 4A OB/OG d a a .. a d d a . SILTY SAND WITH GRAVEL .Q SM a d . a a d a d d BOH @ 20' SLOPE WAS GROUND WATER ENCOUNTERED? No IF YES rci WH DATE DEPTH OF WATER AFTER MO GROSS TIME (MINUTES) DATE OF MO DEPTH To WATER (INCHES) Professional Eneineers S,aino_ SITE PLAN SEE SITE PLAN $ AT DEPTH? J NITORING: NONE L NITORING: 2/18/15 EPU 3-4% DATE READING GROSS TIME (MINUTES) NET TIME (MINUTES) DEPTH To WATER (INCHES) NET DROP (INCHES) TEST HOLE PRESOAKED PRIOR TO TESTING: PERCOLATION RATE (MINANCH) PERC. HOLE DIA (INCHES) TEST RUN BETWEEN: FT. and FT. COMMENTS: TEST HOLE TO DETERMINE LACK OF BEDROCK AND GROUNDWATER. TEST PERFORMED BY ANDERSON ENGINEERING. I, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 2/4/15 MUNICIPALITY OF ANCHORAGE DEVELOPMENT SERVICES DEPARTMENT 4700 BRAGAW STREET ANCHORAGE, AK 99519-6650 DEPTH (Peet) I- 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - SOILS LOG - PERCOLATION TEST LEGAL DESCRIPTION: LOT 5A, BLOCK 2, AUDUBON HILLS PERFORMED FOR: CRowN POINTE HOMES DATE: 5/22/2014 PROJECTNo.: PARCEL ID#: TECHNICIAN: A. HARALA OB/OG ° d d m TEST HOLE 2 SILTY SAND WITH GRAVEL d SM d 16 17 18 19 BOH @ 16' SLOPE WAS GROUND WATER ENCOUNTERED? No IF YES n li'HAT DEPTH DEPTH OF WATER AFTER MO DATE. OF MO E. ANDERSON CE -4381 SI IL PLAN SEE SITE PLAN a N ITORI G NONE 0 N]TOR7NG- 5/3VIL GROSS TIMEJ NET TIME DEPTH To NET DROP DATE READING (MINUTES) (MINUTES) WATER (INCHES) (INCHES) TEST HOLE PRESOAKED PRIOR TO TESTING: 5/23 1 12:47 7.50" 2 13:17 30 8.75" 1.25" 3 13:19 7.38" 4 13:49 30 8.69" 1.31" 5 13:55 7.50" 6 14:25 30 8.31" 1.31" PERCOLATION RATE:22.9(MIN/INCH) PERC. HOLE DIA. 6n (INCHES) TEST RUN BETWEEN: 4 FT. and 5 FT. COMMENTS:. TEST HOLE PRE SOAKED PRIOR TO TEST. TEST PERFORMED BY ANDERSON ENGINEERING. I, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 10121114 E. ANDERSON CE -4381 SI IL PLAN SEE SITE PLAN a N ITORI G NONE 0 N]TOR7NG- 5/3VIL GROSS TIMEJ NET TIME DEPTH To NET DROP DATE READING (MINUTES) (MINUTES) WATER (INCHES) (INCHES) TEST HOLE PRESOAKED PRIOR TO TESTING: 5/23 1 12:47 7.50" 2 13:17 30 8.75" 1.25" 3 13:19 7.38" 4 13:49 30 8.69" 1.31" 5 13:55 7.50" 6 14:25 30 8.31" 1.31" PERCOLATION RATE:22.9(MIN/INCH) PERC. HOLE DIA. 6n (INCHES) TEST RUN BETWEEN: 4 FT. and 5 FT. COMMENTS:. TEST HOLE PRE SOAKED PRIOR TO TEST. TEST PERFORMED BY ANDERSON ENGINEERING. I, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 10121114 PERCOLATION RATE:22.9(MIN/INCH) PERC. HOLE DIA. 6n (INCHES) TEST RUN BETWEEN: 4 FT. and 5 FT. COMMENTS:. TEST HOLE PRE SOAKED PRIOR TO TEST. TEST PERFORMED BY ANDERSON ENGINEERING. I, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 10121114 MUNICIPALITY OF ANCHORAGE DEVELOPMENT SERVICES DEPARTMENT 4700 BRAGAW STREET ANCHORAGE, AK 99519-6650 DEPTH (feet) 1- 2 3 4 5 6- 7- 8- 9- 10 - II I 16 17 18 19 SOILS LOG - PERCOLATION TEST LEGAL DESCRIPTION: LOT 5A, BLOCK 2, AUDUBON HILLS PERFORMED FOR: CROWN POINTE HOMES DATE: 5/22/2014 PROJECT No.: PARCEL ID#: TECHNICIAN: A. HARALA OB/OG TEST HOLE 2 Q d d a SILTY SAND WITH GRAVEL d SM d C d . a a d BOH @ 16' SLOPE WAS GROUND WATER ENCOUNTERED? No IF YES @ WH DEPTH OF WATER AFTER MO DATE OF MO AI :, MICHgE.L E. ANDERSON I NO. CE -4361 sem. 1�4,IpRt1FLssz i Professional Eneinee Stam SITE PLAN SEE SITE PLAN R x AT DEPTH? NITOR7NG: NONE 3-4% NITORING: 5/3UIL GROSS TIME NET TIME DEPTH To (INCHES) NET DROP DATE READING (MINUTES) (MINUTES) WATER (INCHES) TEST HOLE PRESOAKED PRIOR TO TESTING: 5/23 1 12:47 7.50" 2 13:17 30 8.75" 1.25" 3 13:19 7.38" 4 13:49 30 8.6911 1.31" 5 13:55 7.50" 6 14:25 30 8.31" 1.31" PERCOLATION RATE:22.9(MIN/INCH) PERC. HOLE DIA. 611 (INCHES) TEST RUN BETWEEN: 4 FT. and 5 FT. COMMENTS:. TEST HOLE PRE SOAKED PRIOR TO TEST. TEST PERFORMED BY ANDERSON ENGINEERING. 1, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 10/21/14 AI :, MICHgE.L E. ANDERSON I NO. CE -4361 sem. 1�4,IpRt1FLssz i Professional Eneinee Stam SITE PLAN SEE SITE PLAN R x AT DEPTH? NITOR7NG: NONE 3-4% NITORING: 5/3UIL GROSS TIME NET TIME DEPTH To (INCHES) NET DROP DATE READING (MINUTES) (MINUTES) WATER (INCHES) TEST HOLE PRESOAKED PRIOR TO TESTING: 5/23 1 12:47 7.50" 2 13:17 30 8.75" 1.25" 3 13:19 7.38" 4 13:49 30 8.6911 1.31" 5 13:55 7.50" 6 14:25 30 8.31" 1.31" PERCOLATION RATE:22.9(MIN/INCH) PERC. HOLE DIA. 611 (INCHES) TEST RUN BETWEEN: 4 FT. and 5 FT. COMMENTS:. TEST HOLE PRE SOAKED PRIOR TO TEST. TEST PERFORMED BY ANDERSON ENGINEERING. 1, MICHAEL E. ANDERSON CERTIFY THAT THIS WAS PERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPLE GUIDELINES IN EFFECT ON THIS DATE: 10/21/14 PERCOLATION RATE:22.9(MIN/INCH) PERC. HOLE DIA. 611 (INCHES) TEST RUN BETWEEN: 4 FT. and 5 FT. COMMENTS:. TEST HOLE PRE SOAKED PRIOR TO TEST. TEST PERFORMED BY ANDERSON ENGINEERING. 1, MICHAEL E. 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GENERAL INFORMATION Complete legal description U SEP 2 2 2015M Expiration Date: Audubon Hills, Block 2, Lot 5A Location (site address) 12360 Audubon Circle Anchorage, AK 99516 Current Property owner(s) Crown Pointe, Inc. Day phone 229-1886 Mailing address P.O. Box 112313 Anchorage, AK 99511 . Real Estate Agent 2. TYPE OF DWELLING: rx-1 Single Family (w/wo ADU) ❑ Duplex ❑ Multiple Dwellings (Single Family and/or Duplex) Day phone VJaiver/Variance request for:. Received by: ` L A�` Date: 10- 7- tS COSA to bereleased to the engineer, unless otherwise requested by the engineer. COSA Fee $ t�t 8 /� Waiver Fee $ Date of Payment �T� l�J� Date of Payment Receipt Number0Jl(d_ Receipt Number / COSA# bo'5-15334 Waiver# Four 3. NUMBER OF BEDROOMS: 4. TYPE OF WATER SUPPLY: TYPE OF WASTEWATER DISPOSAL: Individual Well (] Individual E Individual Water Storage ❑ Holding Tank ❑ Community Class Well ❑ Community ❑ Public Water System ❑ Public Sewer ❑ VJaiver/Variance request for:. Received by: ` L A�` Date: 10- 7- tS COSA to bereleased to the engineer, unless otherwise requested by the engineer. COSA Fee $ t�t 8 /� Waiver Fee $ Date of Payment �T� l�J� Date of Payment Receipt Number0Jl(d_ Receipt Number / COSA# bo'5-15334 Waiver# 5. STATE SPECTION BY ENGINEER ME1 As certified by my seal affixed hereto and as of the validation date shown below, I verify that my investigation, based on procedures outlined in the Certificate of On -Site Systems Approval Guidelines for this application, shows that the on-site water supply and/or wastewater disposal system is (are) safe, functional and adequate for the number of bedrooms and type of structure indicated herein. I further verify that based on the information obtained from the Municipality of Anchorage files and from my investigation and inspection, the on-site water supply and/or wastewater disposal system is(are) in compliance with all applicable Municipal and State codes, ordinances, and regulations in effect at the time of installation. Name of Firm Anderson Engineering Address P.O. Box 240773 Anchorage, AK 99524 Phone 522-7773 Engineer's Printed Name Michael E. Anderson, P.E. Date 49j—H_t' 6. DSD SIGNATURE v ®............. MICHAEL E ANOERJON System #1 Approved for IL bedrooms ®` s , CE 4331 System #2 Approved for bedrooms �p@l^9E °• '�2- Disapproved 1tIlk`® a®ate+'e® Conditional approval for bedrooms, with the following stipulations: Original Certificate TrLwfvtunicipality of Anchorage Development Services Division (DSD) issues Certificates of On -Site Systems Approval (COSA) based only upon the representations given in paragraph 5 by an independent professional civil engineer registered in the State of Alaska. The Municipality of Anchorage is not responsible for errors or omissions in the professional engineers work. _. 7. ATTACHMENTS: COSA Checklist X Nitrate Advisory l/ Septic System Advisory Arsenic Advisory Well Flow Advisory Other COSA blue sheet s If more than f septic system is on the lot: COSA Checklist # _of _ Structure served by this system Certificate of On -Site Systems Approval Checklist Legal Description: Audubon Hills, Block 2, Lot 5A A. WELL DATA Well type Private If A, B, or C provide PWSID # Date completed 1116/15 Sanitary seal (Y/N) Y Total depth 75 ft. Cased to 70 ft. Date of test Static water level Well production FROM WELL LOG 1/16/15 31 ft WATER SAMPLE RESULTS 12 9 - p.m - Parcel ID: 015-235-01 Well Log (Y/N) Y Wires properly protected (Y/N) Y Casing height (above ground) >18 in. AT INSPECTION ft. 9.p -m. Coliform 0 colonies/100 mL Nitrate 6.15 mg/L Arsenic ND ug/L Date of sample: 9/15/15 Collected by: Anderson Engrg. B. SEPTIC/HOLDING TANK DATA Tank Type/Material Septic/Steel Tank size 1,250 gal. Number of Compartments 2 Foundation cleanout (Y/N) Y Depression over tank (YIN) N Date of pumping NEW Const. Pumper C. ABSORPTION FIELD DATA Date installed. 2/26/15 Length- _ 73 ft. Date installed 2/25/15 Cleanouts (YM) Y High water alarm (Y/N) N Soil rating (g.p.d./ft2 or i /bdrm) .6 GPD/SF 3 System type Deep Trench Width ft. Gravel below pipe 8 Total depth 14 ft. Eff. absorption area 1,168 ft2 N C t Monitoring tube Y Depression over field -ft. N Date of adequacy test t W OnS ' Results (Pass/Fail) For _ bedrooms Fluid depth in absorption field before test in. Water added gal. New depth in. Elapsed Time: min. Final fluid depth in. Absorption rate >= g.p.d. Any rejuvenation treatment (past 12 mo.) (Y/N & type) If yes, give date D. LIFT STATION Date installed Size in gallons_ "Pump on" level at in. "Pump off' level at Datum Cycles tested _ Manhole/Access (Y/N) in. High water alarm level Meets alarm & circuit requirements? E. SEPARATION DISTANCES WELL ON LOT TO: Septic tank/lift station on lot >100, On adjacent lots >100' Absorption Feld on lot >160, On adjacent lots >100' Public sewer main >75 Public sewer manhole/cleanout >100 r Sewer /septic service line 5 Holding tank >75 Animal containment areas >50• Manurelanimal excrete storage areas >100, SEPTIC/HOLDING TANK ON LOT TO: Building foundation >5r Property line >51 r Water main Water service line >10 Wells on adjacent lots >100' ABSORPTION FIELD ON LOT TO: r r Property line 0 Building foundation >10 water Service line >10' Surface water >100' Curtain drain None Noted Wells on adjacent lots >100' F. COMMENTS G. ENGINEER'S CERTIFICATION I certify that t have determined through field inspections and review of Municipal records that the above systems are in conformance with MOA COSA guidelines in effect on this date. Engineer's Printed Name Michael E. Anderson, P.E. Date 9/21/15 COSA brown sheet -1 0-1 0-12.doc Absorption field >5r Surface water >100' Water main N/A Driveway, parking/vehiclestorage >10, ......., '.MICHAEL E. ANDERSON = � CE-4381 in. PLAT NO. 87-32 AUDUBON HILLS SUBDIVISION LOT 5A, BLOCK 2 43,241 S.F. S'9e34 9°W 1 111=30' AS -BU I LT I HEREBY CERTIFY THAT I HAVE SURVEYED THE LEGEND PROPERTY DEPICTED ABOVE AND THAT NO GASTALDI LAND ENCROACHMENTS EXIST EXCEPT AS INDICATED. SURVEYING, LLC IT IS THE RESPONSIBILITY OF THE OWNER TO • FOUND 1/2" REBAR 2000 E. DOWLING RD., SUITE 8 COVENANTS OR RESTRICTIONS WHICH DO NOT ANCHORAGE, ALASKA 99507 APPEAR ON THE RECORDED SUBDIVISION PLAT. PHONE 248-5454 • FOUND 5/8" REBAR DATE HEREON BE USED FOR CONSTRUCTION OR FOR SW2739 8/18/2015 ESTABLISHING BOUNDARY OR FENCE LINES. 0 FOUND REBAR WITH YELLOW PLASTIC ANCHORAGE RECORDING DISTRICT, ALASKA F.B. JOB NO. m 12-07 AH5A2 CAP STAMPED "LOUNSBURY" W 2 Z SET 5/8" X 30" REBAR WITH YELLOW PLASTIC CAP STAMPED "LS -6091" rygL�`�1 �• 4i �0 �ry0 (R) RECORD DIMENSION PER PLAT NO. ti 87-32 ti ti (H) HELD DIMENSION PER PLAT NO. 87-32 yap a (M) MEASURED DIMENSION THIS SURVEY BB POINT ESTABLISHED BY BEARING BEARING INTERSECTION M 5�' E SEP�VC D m� 3gp o X04' 0 00 14.0' gWW�NG 00 �Xt5S1NG a x Ld a p. UK o a DRNE 52.4' _ o O PIC. O �0 0 U O O N 40 0 O Co j IQ 0 ^h ^h Q �� v v S'9e34 9°W 1 111=30' AS -BU I LT I HEREBY CERTIFY THAT I HAVE SURVEYED THE PROPERTY DEPICTED ABOVE AND THAT NO GASTALDI LAND ENCROACHMENTS EXIST EXCEPT AS INDICATED. SURVEYING, LLC IT IS THE RESPONSIBILITY OF THE OWNER TO JEFF A. GASTALDI, R.L.S. DETERMINE THE EXISTENCE OF ANY EASEMENTS, 2000 E. DOWLING RD., SUITE 8 COVENANTS OR RESTRICTIONS WHICH DO NOT ANCHORAGE, ALASKA 99507 APPEAR ON THE RECORDED SUBDIVISION PLAT. PHONE 248-5454 UNDER NO CIRCUMSTANCES SHOULD ANY DATA GRID DATE HEREON BE USED FOR CONSTRUCTION OR FOR SW2739 8/18/2015 ESTABLISHING BOUNDARY OR FENCE LINES. ANCHORAGE RECORDING DISTRICT, ALASKA F.B. JOB NO. m 12-07 AH5A2 NOTE: NO CORNERS SET THIS DATE 10 ss 0,9 4 0 4- >: a tN ms's 'Ire tiC 0. P � OF 14 114t �. * ; 4 TH *•� 0 ....... • ...........••...0 m J ery A. Gastaldl + ,o SSL 6091 mom° AN P ••:��rslzefs ,P ^Pap°• ..++•'• ay �4W I I I I I I I I I I I I I I I I I I 1 I I IW I lJ I �S I � I � I I I I I I I I I I I I I WELL I �I I I I I I I I I I I I � I BB 50.43'(M) a --------------- 50.05'(R) I I 00 g SECTION CORNER 50.43'(M) v b •1 ro Q C• � n � w � w 50, a o N 0 w rn u- N au m m = to 0 W 2 Z 50.43'(M)