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HomeMy WebLinkAboutSKY RIDGE LT 17LT 17 1990fth, 'A 5 T12N R3W Sec 21 Lot 19 Permit Number:OSP261056 Tax Code Number:01527517000 Work Type:Well Initial Effective Date: Design Engineer: Site Legal Address:SKY RIDGE LT 17 G:2634 Owner:HULTQUIST HOMES INC Site Mailing Address: Lot Size in Sq Ft:22532 Total Bedrooms:4 This permit is for the construction of: Disposal Field Septic Tank Holding Tank Privy Non-Public Water Well Water Storage All construction shall 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 shall notify the Development Services Department per AMC 15.65. Coodinate with On-Site staff regarding preferred method. 4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather shall be either: a. Opened and Closed on the same day, or b. Covered, sealed, and heated to prevent freezing 4/24/2026 4/24/2027 PANNONE ENGINEERING SERVICES Expiration Date: ¨¨¨¨þ ¨ Issued To: Issued By: Date: Date: 4/24/2026 4/24/2026 PANNONE ENGINEERING SERVICES Isatou B Njie MUNICIPALITY OF ANCHORAGE On-Site Water & Wastewater Program PO Box 196650 4700 Elmore Road Anchorage, Alaska 99519-6650 Phone: (907) 343-7904 Fax: (907) 343-7997 http://www.muni.org/onsite On-Site Water System Permit MUNICIPALITY OF ANCHORAGE Development Services Department Phone: 907-343-7904 • Water & Wastewater Section ON-SITE SEPTIC/WELL PERMIT APPLICATION Parcel I.D. 015-275-17 Property owner(s) Hultquist Homes, Inc. Day phone Mailing address 12570 Old Seward Highway Anchorage, AK 99515 Site address NHN Sky Ridge Drive Legal description Sky Ridge Lot 17 Number of Bedrooms 4 Engineering Firm Pannone Engineering Services, LLC. Building Permit Number Not Applicable ❑ APPLICATION IS FOR: APPLICATION IS AN: (Z all that apply) Disposal Field ❑ Initial ED Septic Tank ❑ Upgrade ❑ Holding Tank ❑ Renewal ❑ Privy ❑ Well Water Storage ❑ THIS APPLICATION INCLUDES A WAIVER REQUEST FOR: Permit/Rush Fees: o Date of Payment: Permit No. 0 15 10 a 610 May 2025 Waiver Fees: Date of Payment: Waiver No. Distance: Pannone Engineering Services LLC Steven R. Pannone, Principal Registered Professional Engineer E-mail: steve@panengak.com 22 April, 2026 Mailing: P.O. Box 1807 Palmer, AK 99645 Telephone: (907) 745-8200 FAX: (907) 745-8201 Municipality of Anchorage Development Services Department On-Site Water & Wastewater Program 4700 Elmore Road Anchorage, Alaska Subject: Sky Ridge Lot 17 Initial Well Permit Request This is a design narrative for a permit to install a private well for this property. Currently the lot is undeveloped. This lot and the surrounding lots to the north, east, and west, are to be served by AWWU sewer services. Surrounding lots to the south are currently served by private septic. Currently there are no sewer mains or private septic systems within 100’ of the proposed well location. 1. Well Design. The well will be located: 100’+ from any sewer main and or sewer system manhole. 100’+ from any on-site septic system. 25’+ from any private sewer lines and or clean outs. The proposed installation will not affect the future development of this or the surrounding lots. If you have any questions, please contact me at (907) 745-8200. Sincerely, SRP Steven R. Pannone, PE, F. ASCE Owner | Principal Engineer 22 April 2026 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP261056, Isatou Njie, 04/24/26 12 SKY RIDGE 17 18 10' UTIL ESMT 1 0 ' U T I L E S M T 1 0 ' U T I L E S M T 1 0 ' U T I L E S M T 1 0 ' U T I L E S M T S K Y R I D G E D R I V E 1613 10' UTIL ESMT NO WELLS OR SEPTIC WITHIN 200' 4 BR SFD DRIVEWAY 3 BR SFD 4 BR SFD (P) DRIV E WAY 4 BR SFD DRI V E WAY 3 BR SFD 47.4 (25.0' MIN.)9.7 67.9 71.0± (25.0' MIN.) WELL (E) (APPROX. LOCATION) WELL (E) WELL (E) (APPROX. LOCATION) WELL (E) (APPROX. LOCATION) WELL (P) APPROX. SEWER SERVICE LINE (E) PROJECTED SEWER SERVICE PATH BY OTHERS. MAINTAIN MINIMUM 25' TO PROPOSED WELL LOCATION. APPROX. ACCESS EASEMENT (REFER TO SURVEY LOT 18) PROJECTED WATER SERVICE PATH BY OTHERS. ASSUMED SEWER SERVICE PATH (E) SSCO (E) SSCO (E) PA N N O N E E N G S V C , L L C ( C . I . 1 0 8 8 ) LJ C FO R C O N S T R U C T I O N SK Y R I D G E L O T 1 7 HU L T Q U I S T H O M E S , I N C SI T E : N H N S K Y R I D G E D R I V E AN C H O R A G E , A K 04 / 2 2 / 2 0 2 6 01 5 - 2 7 5 - 1 7 OS P X X X X X X AC P ST E V E N R . P A N N O N E CE - 8 1 4 9 R E G I STEREDPROFESSIONA L ENGINEER 04 / 2 2 / 2 0 2 6 RE V 1 : 2 0 2 6 . 0 4 . 2 4 SI T E P L A N 1 " = 5 0 ' 1 O F 2 SEWER SERVICE WATER LINE / WELL RADIUS ESMT/SETBACK STREAM/DRAINAGE WAY CENTERLINE FLOW PATH ABBREVIATIONS TH TEST HOLE (P) PROPOSED (N) NEW (E) EXISTING CO CLEAN OUT NO. DCO DOUBLE CLEANOUT FC FOUNDATION CLEANOUT FS FLOW SPLITTER DV DIVERTER VALVE MT MONITOR TUBE NO. LS LIFT STATION R.I. RIGID INSULATION TYP TYPICAL WELL NOTES: 1. FINAL WELL LOCATION TO MAINTAIN AT LEAST 25 FEET FROM THE ON PROPERTY SEWER SERVICE LINE AND FOUNDATION CLEANOUT. 2. FINAL WELL LOCATION TO MAINTAIN AT LEAST 100 FEET FROM THE AWWU SEWER MAIN AND ANY SEWER SYSTEM MANHOLE. 3. THE APPROXIMATE LOCATION OF SEWER SYSTEM FEATURES SHOWN ON THIS DRAWING ARE AS REPRESENTED BY THE RECORD DRAWING FOR THE PROJECT. THE EXACT LOCATION OF THESE FEATURES MAY VARY AND PES RECOMMENDS HAVING THEM PHYSICALLY LOCATED PRIOR TO DRILLING THE WELL. 4. PROPERTY LINES DEPICTED HEREIN ASIDE FROM SUBJECT PROPERTY BOUNDARIES ARE APPROXIMATE. Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP261056, Isatou Njie, 04/24/26 PA N N O N E E N G S V C , L L C ( C . I . 1 0 8 8 ) LJ C FO R C O N S T R U C T I O N SK Y R I D G E L O T 1 7 HU L T Q U I S T H O M E S , I N C SI T E : N H N S K Y R I D G E D R I V E AN C H O R A G E , A K 04 / 2 2 / 2 0 2 6 01 5 - 2 7 5 - 1 7 OS P X X X X X X AC P ST E V E N R . P A N N O N E CE - 8 1 4 9 R E G I STEREDPROFESSIONA L ENGINEER 04 / 2 2 / 2 0 2 6 RE V 1 : 2 0 2 6 . 0 4 . 2 4 NO T E S NO S C A L E 2 O F 2 1. GENERAL NOTES: 1.1. ANY MODIFICATIONS TO THE ATTACHED PLANS NEED TO BE APPROVED BY PES AND THE OWNER OF THE PROPERTY. 1.2. PES SHALL BE NOTIFIED A MINIMUM OF 48 HOURS IN ADVANCE BEFORE CONSTRUCTION OF THE PROPOSED WASTEWATER TREATMENT SYSTEM. 1.3. PES SHALL BE NOTIFIED A MINIMUM OF 24 HOURS IN ADVANCE TO PERFORM A MINIMUM OF FOLLOWING INSPECTIONS: 1.3.1. A PRE CONSTRUCTION MEETING IS REQUIRED BY STATE AND MUNICIPAL REGULATIONS BEFORE A ONSITE WASTEWATER TREATMENT SYSTEM MAY BE INSTALLED. 1.3.2. TOP OF SEPTIC AND OR HOLDING TANK (TANK IS SET IN PLACE LEVEL WITH ALL PIPING ATTACHED (CLEANOUTS, MANHOLES, INLET AND OUTLET PIPING). 1.3.3. BOTTOM OF EXCAVATION OF THE DRAIN FIELD/S. 1.3.4. AFTER PLACEMENT OF FILTER SAND (IF NEEDED). 1.3.5. AFTER INSTALLATION OF THE DRAIN ROCK WITH ALL ASSOCIATED PIPING IN PLACE INCLUDING DISTRIBUTION LINES CLEANOUTS AND MONITOR TUBES PRIOR TO INSTALLATION OF FILTER FABRIC AND INSULATION (IF NEEDED). 1.3.6. FINAL GRADE INSPECTION. ENTIRE SYSTEM IS INSTALLED AND BACKFILLED. 1.4. THE ENGINEER (PES) HAS NO CONTRACTUAL RELATIONSHIP WITH THE CONTRACTOR (THE INSTALLER OF THE SYSTEM) AND, THEREFORE, HAS NO AUTHORITY, CONTROL OR RESPONSIBILITY FOR THE CONTRACTOR'S EMPLOYEES, THE QUALITY OF WORK, THEIR COMPLIANCE WITH THE DESIGN DRAWINGS/SPECIFICATIONS OR THEIR MEANS/METHODS OF CONSTRUCTION. AT APPROPRIATE INTERVALS, THE ENGINEER WILL VISIT THE WORKSITE TO OBSERVE THE QUALITY OF THE CONSTRUCTION AND TO DETERMINE IN GENERAL IF THE CONSTRUCTION IS PROCEEDING IN ACCORDANCE WITH THE DESIGN DRAWINGS/SPECIFICATIONS.THE ENGINEER WILL NOTIFY THE OWNER IF DEFICIENCIES ARE OBSERVED; HOWEVER, THE FAILURE OF THE ENGINEER TO OBSERVE A DEFICIENCY WILL NOT RELIEVE THE CONTRACTOR OF THE RESPONSIBILITY FOR CORRECTING ANY SUCH DEFICIENCY. THE ENGINEER WILL PREPARE RECORD DRAWINGS AND SUBMIT THEM TO THE REGULATORY AGENCY HAVING JURISDICTION OVER THE WASTEWATER TREATMENT SYSTEM (ADEC OR MOA). FINAL APPROVAL OF THE WORK AND CORRECTION OF ANY DEFICIENCIES IS BETWEEN THE OWNER, THE CONTRACTOR, AND THE REGULATORY AGENCY HAVING JURISDICTION OVER THE WASTEWATER TREATMENT SYSTEM (ADEC OR MOA). 2. SCOPE AND SPECIFICATIONS: 2.1. ALL CONSTRUCTION SHALL BE AS SPECIFIED IN THE ATTACHED PLANS. CONSTRUCTION ACTIVITIES SHALL ALSO BE IN ACCORDANCE WITH THE MOST CURRENT EDITION OF THE FOLLOWING CODES AND POLICIES AS APPLICABLE. 2.1.1. 18 AAC 72 2.1.2. AMC 15.65 2.1.3. MOA STANDARD SPECIFICATION FOR COMPONENTS PARTS AND MATERIALS. 2.1.4. ADEC ONSITE WASTEWATER SYSTEMS INSTALLATION MANUAL (OWSIM). 2.1.5. MUNICIPALITY OF ANCHORAGE STANDARD SPECIFICATIONS (MASS). 2.2. SCOPE OF WORK: INSTALL PRIVATE WELL IN ACCORDANCE WITH THE ATTACHED DESIGN AND SPECIFICATIONS. 2.3. GROUNDWATER WAS NOT ENCOUNTERED TO A DEPTH OF -- FEET BELOW EXISTING GRADE. IF AN APPARENT WATER TABLE IS OBSERVED IN ANY OF THE EXCAVATIONS LESS THAN -- FEET BELOW EXISTING GRADE NOTIFY THE ENGINEER IMMEDIATELY. 2.4. STRUCTURES DEPICTED ON THE SITE PLAN ARE BASED UPON ONE OF THE FOLLOWING: CONCEPTUAL PLOT PLAN DEVELOPED BY OWNER; A PLOT PLAN DEVELOPED BY RLS; OR A SURVEY AS-BUILT. 3. CONSTRUCTION SPECIFICATIONS: 3.1. ALL EXCAVATION DEPTHS ARE ADVISORY. THEY ARE TO BE VERIFIED AND MAY BE MODIFIED BY THE ENGINEER IF ACTUAL FIELD CONDITIONS VARY FROM THOSE USED TO PREPARE THE DESIGN 3.2. EXCAVATE THE DRAIN FIELD. BOTTOM OF EXCAVATION SHALL BE LEVEL AND SCARIFIED. RECORD ELEVATIONS AT BEGINNING, MIDDLE AND END OF TRENCH BOTTOM. CONSTRUCTION EQUIPMENT SHALL NOT OPERATE ON THE FLOOR OF THE EXCAVATION. ANY MATERIAL COMPACTED BY THE OPERATION OF THE CONSTRUCTION EQUIPMENT SHALL BE REMOVED AND REPLACED WITH NON-COMPACTED MATERIAL. 3.3. PLACE THE SEWER ROCK TO THE SPECIFIED DEPTHS. DO NOT CONTAMINATE SEWER ROCK WITH NATIVE MATERIAL OR SPOILS FROM EXCAVATION. LEVEL ROCK SURFACE TO ±1" PRIOR TO INSTALLING THE PERFORATED PIPE. 3.4. ALL PIPE SHALL BE SCHEDULE 40 ABS AND OR PVC CONFORMING TO ASTM F628 AND ASTM D3034 AS APPLICABLE OR ENGINEER APPROVED EQUAL. 3.4.1. ALL PRESSURIZED SEWER LINES SHALL BE CONSTRUCTED OF SCHEDULE 40 PVC CONFORMING TO ASTM D1785 OR ENGINEER APPROVED EQUAL 3.5. FOR MOA PROJECTS THE MINIMUM SOIL COVER SHALL BE 3 FEET OVER SEWER LINES AND DRAIN FIELDS AND 4 FEET OVER THE SEPTIC TANK. ONE INCH OF INSULATION MAY BE SUBSTITUTED FOR 1 FOOT OF SOIL COVER. 3.6. FOR STATE OF ALASKA (ADEC) PROJECTS THE REQUIRED SOIL COVER IF 4 FEET FOR ALL WASTEWATER SYSTEM COMPONENTS. 3.7. THE MINIMUM ALLOWABLE SOIL COVER SHALL OVER ANY WASTEWATER SYSTEM COMPONENT SHALL BE 2 FEET WITH 2 INCHES OF APPROVED INSULATION. 3.8. ALL INSULATION SHALL BE 2" THICK DOW HI-40 INSULBOARD OR ENGINEER APPROVED EQUAL. CENTER INSULBOARD WIDTH OVER SEPTIC TANK, DRAIN FIELD, OR SEWER LINES. 3.9. GEOTECHNICAL FABRIC SHALL BE TYPAR 3401 OR ENGINEER APPROVED EQUAL. LAP ALL JOINTS 2 FEET MINIMUM. GEOTECHNICAL FABRIC SHALL CONFORM TO AASHTO M288 CLASS 3 AND HAVE THE FOLLOWING CHARACTERISTICS: 3.9.1. MINIMUM PERMITTIVITY (ASTM D4491) -0.5/sec 3.9.2. MAXIMUM APPARENT OPENING SIZE (ASTM D4751) - 0.20 TO 0.21mm (US SIEVE #70) 3.10. COVER THE DISTRIBUTION PIPE WITH A MINIMUM OF 2" OF SEWER ROCK AND COVER WITH GEOTEXTILE BEFORE PLACING INSULATION AND BACKFILL. 3.11. MATERIAL USED AS FILL SHALL BE CLEAN AND FREE OF ORGANICS, TRASH AND CONSTRUCTION DEBRIS. 3.12. SLOPE ALL FILL MATERIAL TO DRAIN AT 2% MINIMUM SLOPE AND 3:1 MAXIMUM SLOPE AND IN SUCH A MANNER THAT PONDING AT OR NEAR THE DRAIN FIELD DOES NOT OCCUR. THE FILL SHALL BE LEFT AT 6" HIGHER THAN SHOWN TO ALLOW FOR SETTLEMENT. SEED SURFACE AFTER COMPLETING INSTALLATION AS PER MOA CODE. 3.13. RECORD THE FINISH GROUND ELEVATION OVER THE BEGINNING, MIDDLE AND END OF SYSTEM. 3.14. MAINTAIN 5' SEPARATION BETWEEN PERCOLATION HOLE AND THE DRAIN FIELD TRENCH. 3.15. EXPOSE, PUMP AND FILL LOG DISPOSAL CRIB OR CONCRETE TANK WITH SOIL TO ABANDON IAW WITH MOA CODE IF NEEDED. NOTES & SPECIAL PROVISIONS: 4. CONTRACTOR RESPONSIBILITIES: 4.1. THE CONTRACTOR SHALL FAMILIARIZE THEMSELVES WITH THE SITE CONDITIONS AND LOCATIONS OF ALL LOT LINES, EASEMENTS, WELLS (E & P), SEPTIC SYSTEMS (E & P) AND SHALL MEET MINIMUM SEPARATION DISTANCES OR AS NOTED. 4.2. THE CONTRACTOR (BOTH WELL AND SEPTIC SYSTEM CONTRACTORS) SHALL HAVE ANY WELL LOCATION AND SEPTIC LOCATION STAKED AND ANY LOT LINE AND WELL RADIUS SHOWN ON THE PLAN WITHIN 30 FEET OF THE PROPOSED SYSTEM STAKED BY A REGISTERED LAND SURVEYOR BEFORE STARTING THE WORK. 4.3. THE CONTRACTOR IS RESPONSIBLE FOR ALL R.O.W. AND OTHER REQUIRED PERMITS, OTHER THAN THE ATTACHED. 4.4. THE CONTRACTOR SHALL CALL FOR LOCATING OF ALL BURIED UTILITIES. 4.5. THE CONTRACTOR SHALL PROVIDE 24 HOUR NOTICE TO THE ENGINEER PRIOR TO START OF WORK. ALL SURVEYING AND LOCATES SHALL BE IN PLACE PRIOR TO NOTIFYING THE ENGINEER. 4.6. THE CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANY DISCREPANCY BETWEEN THE APPROVED DRAWINGS AND SITE CONDITIONS/LIMITATIONS POTENTIALLY CAUSING THE NEED TO MODIFY THE DESIGN. 4.7. AT THE COMPLETION OF THE WORK, THE CONTRACTOR SHALL SUBMIT RED-LINE AS-BUILT DRAWINGS TO THE ENGINEER. THE RED-LINES SHALL INCLUDE PIPE LENGTHS, ORIGINAL GROUND ELEVATIONS, PIPE ELEVATIONS, AND TANK ELEVATIONS. 4.8. THE CONTRACTOR SHALL PROVIDE PHOTOGRAPHS OF THE SYSTEM INSTALLATION TO INCLUDE BOTTOM OF EXCAVATION, TOP OF PIPE WITH CLEAN-OUTS AND MONITOR TUBES INSTALLED, INSTALLED TANK AND FINAL GRADING. 5. THE CONTRACTOR SHALL CERTIFY THAT ALL WORK WILL BE PERFORMED IN ACCORDANCE WITH THE APPROVED PERMIT, AND ANY AND ALL CHANGE ORDERS, AND THAT THE AS-BUILT REDLINES ARE TRUE AND ACCURATE REPRESENTATION OF THE PROJECT AS CONSTRUCTED. BY ACCEPTANCE AND CONSTRUCTION OF THE ATTACHED PLANS THE OWNER, CONTRACTOR AND APPLICABLE REGULATORY AGENCY AGREE TO THE PROVISIONS SET FORTH ON THIS PAGE AS APPLICABLE AND ANY SUBSEQUENT SPECIFICATIONS (IF ATTACHED). Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP261056, Isatou Njie, 04/24/26 Lot 17, Sky Ridge Subdivision Land Surveying Land Development Consultants Subdivision Specialists Construction Surveying 610 E 5th Avenue Anchorage, Alaska 99501 (907) 306-8104 mail@S4AK.com AKCAN 173042 Group S4 Plot Plan Peak "Reverse" Plan MUNICIPALITY OF ANCHORAGE DEPARTMENT OF HEALTH & ENVIRONMENTAL PROTECTION ENVIRONMENTAL ENGINEERING DIVISION 825 L Street- Anchorage, Alaska 99501 Telephone 264-4720 ON-SITE SEWAGE DISPOSAL SYSTEM AND/OR WELL INSPECTION REPORT NAME LEGAL DESCRIPTION LOCATION Well D STANCE TO I- ~ Manufacturer m Liq. capacity in gallons I ............. ~ DISTANCE TO: IWell ~O _Z ~ Manufacturer C~ I [Well ~'~' I DISTANCE TO: I u. Z No. of lines ~ Length of each}me -~z~ II I LeO' Top of t,a to finish gr;de , Length Widl?' ~ I- I Type of crib Crib diameter ~~ ~' DISTANCE TO: Well ~ IClass Depth ;~ DISTANCE TO: Building foundation Inside length Dwelling Foundation Total len~ct(~o~ Ii nes Material beneath tile Depth Crib depth Building foundation Driller Sewer line PHONE 4 [~'~N EW ~-- ~4:~ [] UPGRADE Dwellil~,~ (.O / Mate~ W dth Material Nearest,[,qt li~e ,-~ Trench wj_dth /[ ~.'~ inches inches NO. OF BEDROOMS PERMIT NO. No, of compartments Liquid depth PERMIT NO. Liquid capacity in gallons PERMIT NO. Distance between lines Total effective absorption area PERMIT NO. Total effective absorption area Nearest lot line Distance to lot line PERMIT NO. Absorpt on area(s) Septic tank OTHER PiPE MATERIALS SOIl~ TEST RATING '~30 INSTAELER REMARKS U / APPROV~~,~ ~ DATE LEGAL 72-D13 (Rev. 3/78) WATER WELL LOG / ~ ,J'NICIPALJTY OF ANCHORAGE ~OSS DRILLING ENVIRONMENTAL p,~OT~CTION 1336 Ingra Street Anchorage, ~aska 9950~ N0~ 2 1978 SIZE OF CA~ING~DEPTR OF ROLE~..~T. CASED TO ~/_~ STATIC WATER LEVEL /~ FT. YIELD /~ G~.PER.MIN. WITH FE~ OF D~OWN. RE~S DATE COMPLET~ / ~--/~-- ~ R PUMP TO BE SET AT~ · j to to__ __to__ .___to , to tO__ F'EF.:MIT NO. ( 7FJ06:1~0 ', RF'F't_ Z CRNT .. HME-', LEOI'.,IFIR[:, LOE:FIT I ON OHIO ST LEGRL L:t.S' S2± T.!.;..3N R2:.:I,.I DEPFIRTMENT Ell- HEFILTH RND ENS/tF.:ONMENTRL F'~.:O.CEC:TION '=":'~5 '"L. '" STF.:EET, k N.,NL [';,'HUE., RK. 4147 B, OF..:OTFIY 33:3: LOT SIZE 2:L.5000 SQUFIRE FEET 'I"',r'PE OF' SOIL RBSORBTION SYSTEM IS: TRENCH I"tRXIMUM NUMBER OF BEDROOMS = Z~ SOIL RRTING ,::SQ FT,-"BR)= 23:0 THE REQUIRED SIZE OF THE ~OIL FIBSORPTION S'¢STEM IS: THE LENG'FH DZMENSION ~ THE LENGTN '::IN FEET) OF THE TRENCH OF.'. DF.:R~NFZELD. THE DEF'TH OF R TR. ENCH OR PIT ZS THE DZSTRNCE BE]"HEEN TFIE SURFRCE OF THE GROUND RNE:, THE BOTTOM OF THE E~'(CRVRTZON '::IN FEET.':'. TFtERE ~S NO SET H~D'['H FOR TRENCHES. THE GRR'v'EL DEPTH I9 THE MINIMUM .DEPTH OF GR. RVEL BETNEEN THE OIJTFRLL. P~PE ' RND THE BOTTOM OF THE E::':',CRVRTZON (IN FEET). PERt'III" RPF'LIf":RN'I" HFIS THE F..Ex, F..N=,IE, ILI F-r TCI INFORM '['HI':'; B, EF'RRTMENT [:,I..IRING THE INSTFILLRTICIN INSF'ECTIONS OF RN'¢ WELLS RD.TRCENT TO THIS PF.']F'EF.:T'T' F.IN[) THE NL.IME:ER OF RE':;IDENE:ES THRT THE [4ELL WILL SERVE. ERCKFILLING OF RN'¢ S'¢::'iTEM WITHOUT FINRL INSF'ECTION RNB, RPPRO'v'RL 8"r' TNIS E:,EPRRTMENT WILL BE SLIE:JECT TO F'F.:O'=EZI-ITIGN. MINIMUM DISTRNCE BETHEEN R WELL RND RNY ON--SITE SEHRGE DISPOSRL. SYSTEM IS :LOO FEET FOR R PRIVR'FE WELL.; OF.: :1.50 TO 200 FEET FROM R PUBLIC: WELL DEPENDING UPON THE TYPE OF PLIBLIC HELL. HELL LOGS RRE REOUIF.:ED RND MUST BE RETURNED TO THE DEPRRTMENT HITHIN 3:0 DRYS OF 'file 14ELL COMPLETION. OTHER REg!LIIREMENI"S MR'T' RF'PLV. SPECIFICRTIONS RND CONSTRUCTION DIRGRRMS FIRE RVRIL. RBLE TO INSURE PROPER II'.4STRLLRTION. t CERTIFY THRT ±: t FIM FRMILIRR HITH TNE REQUIREMENTS FOR ON-SITE SENERS RN[:, HELLS FIS SET FOR'I-PI E:"r' TPIE MLINICIPRLIT'¢ OF RNCHORRGE. 2: I HILL. INSTRLL THE SYSTEM IN RCCORDRNCE WITH THE CODES. ]:: t IJNDERSTRN[:' THFIT THE ON-'SITE SEI.4ER SYSTEM MRY REQUIRE ENLRRGEMENT IF' THE RE':IDENr'E I'=; REMFE:,ELED TO INCLU[:,E f'IJ~E THRN 3: E:EDROGMS. ......... ~ R~L I []:FINT .JR['~ LEONflRB, Mr. James Leonard 4147 Dorothy Drive Anchorage, Alaska 99504 Subject: Soils investigation for sanitary sewer system; Lot 19, NW 1/4 of NW 1/4 of Sec 21, T12N, R3W, SM, Anchorage, Alaska. Dear Mr. Leonard: At your request of July 8, 1978, I conducted a soils investigation at the proposed location of a sanitary sewer system on the subject lot. This investigation, which was accomplished on July 8, 1978, consisted of the inspection of soils removed during digging of a test pit using a backhoe to a total depth of 14.0 feet. The topography of the area where the soils test was conducted, is generally sloping in a west to northwest direction at approximately a 5-10% grade. Vegetation consists of large spruce and birch, with alders, willows and devils club, including a low ground cover of mosses and grasses. The soils encountered are graphically shown on the accompanying test hole log. The soils consisted of a layer of Organic silt with some Sand 1.5 feet thick overlying a Silty Sand with a trace of Gravel and occasional Cobbles to a total depth of 14 feet. No water table was encountered. A percolation test was performed in a hand augered, 8 inch diameter, 26 inch deep test hole, on a 3 foot deep bench dug by the backhoe at the side of the test pit. An accompanying sheet graphically shows the location of the percolation test hole and tabulates the results of the percolation test. The accompanying sheet containing the test hole log, includes a sketch showing the subject lot with the approximate locations of the test hole and the proposed house in relation to the property lines. I apreciate the opportunity to be of service to you. Please contact me if you have any questions regarding this soils investigation. Very truly yours, ~man~ Consul~ng Geologist Box 191, Star Route A Anchorage, Alaska 99502 (907)344-9150 Attachments: Drawing of test hole log with location sketch, and sketch of percolation test hole location with tabulated test results. xc: Department of Health and Environmental Protection. Due E 330.0' James Leonard Property Lot 19, NW 1/4 of NW 1/4 of Sec 21, T12N, R3W, SM, Anchorage, Alaska.  .H. No. 1 Approximate ! ~ ' ~roposed ho.use ~--100 '~ ~ 175' 60' 33' BLM road easement ~ Due E 330.0' NOT TO SCALE Distances are approximate and have not been measured by surveying methods as to location of test hole or proposed house. Michael B. Bergmann Consulting Geologist Box 191, Star Route A Anchorage, Alaska 99502 (907)344-9150 · T.H. No. 1 7-8-78 Organic Silt: w/some sand, sl moist, loose, brn to reddish brn. 0.0' Silty Sand: w/trc gravel, occ cobbles, sand pred fn to vy fn, med dense, sl moist to moist w/increasing depth, gray brn. (SM)" NO WATER TABLE ENCOUNTEP~ED '14.0' Test hole log represents soils encoun- tered on Lot 19, NW 1/4, of NW 1/4 of Sec 21, T12N, R3W, SM, Anchorage, Alaska. James Leonard Property James Leonard Property Lot 19, NW 1/4 of NW 1/4 of Sec 21, T12N, R3W, SM, Anchorage, Alaska. PERCOLATION TEST TABULATION OF TEST RESULTS TIME ET (rain) INCHES DROP RATE(rain per inch) 1636 start 3.0" start start 1646 10 9.75" 6.75" 1.5 1656 10 12.0" 2.25" 4.4 1706 10 13.25" 1.25" 8.0 1716 10 13.75" 0.5" 20.0 1726 10 14.25" 0.5" 20.0 1736 10 14.5" 0.25" 40.0 Average percolation rate for entire hour = 5.2 minutes per inch. Average percolation rate for last one half hour = 24 minutes per inch. CROSS SECTION SKETCH OF PERCOLATION TEST HOLE Bench Percolation Test Hole Michael B. Bergmann Consulting Geologist Anchorage, Alaska 3 14' Test Pit Rahbit Creek Area Referel;ce Map-P13 172 -~5))> 174 179 L_ 173