HomeMy WebLinkAboutGRECIAN HILLS BLK 2 LT 13Onsite File Grecian Hills Block 2 Lot 13 #017-073-78 Municipality of Anchorage On -Site Water and Wastewater Section - (907) 343-7904 Page 1 of 1 ON -SITE WASTEWATER INSPECTION REPORT Permit Number: OSP221170 PID Number: Dwelling: W Single Family (SF) R with ADU n Duplex (D) n Two Single Family Project: El New nN Upgrade Name Thomas Mobley A ORPTION FIELD El D Tr Trench n Wide Trench El Bed n Mound Site Address 8011 Lakonia Dr., Anchorage Other Phone Number of Bedrooms Soil Rating Total depth from original grade 907-230-5372 3 �D / S F Ft. LEGAL DESCRIPTION Depth to pipe invert from original Gravel depth beneath pipe 11 Ft. Subdivision Block Lot GrecianHills 2 13 Fill added above original grade Ft. Gr el length Ft. Township Range Section Gravel width Ft. Beds: Number of Lines Dist e between lines Ft, SEPARATION DISTANCES ToSeptic Absorption Holding Sewer Lift Station Total absorption area Number of trenches Dist. between t ches From Tank Field Tank Line F t2 Ft. Well 50'+ 25 TANK X Septic E] S.T,E.P. ❑ Holding 9 Other , Manufacturer Capacity Infiltrator** 540,1530 Gal. 1 Surface Water 1 5 01+ Material Number of compartments Lot Line 51+ �i NA H D P E 1,1 Foundation 8.6' LIFT STATION Manufacturer Capacity Remarks *tank is not in the soil bearing prism. Gal. **BioMicrobics BioBarrier 0.5 MBR treatment system Alarm location Electrical installed by PIPE MATERIAL. House to tank 3034 d Tank to 3034 rainfield Installer Isabelle Construction & Excavating, Drainfield CO/MT 3034 Inspector Crewdson Engineering LLC BENCH MARK (Assumed elevation) 100 ft Inspection 1st 7/7/2022 7/8/2022 Location and description dates: 2`1 3 d 411, Bottom of siding at "BM" on record drawing. ON -SITE WATER AND WASTEWATER SECTION APPROVAL OF A4.1 Conditional Approval: Date ;00 Septic System ............ Me$ A. Crewdson 41; C11117 00 Approved Date z Note: this approval does not include well permit requiremen s. (Rev 05/02/18) A BM: BOS ELEV = 100' ��POJS/ Lot 13 WATER SERVICE BioMicrobics BioBarrier 0.5 MBR TC: Infiltrator IM-153 SC: Infiltrator IM-54 F1 3BR SF/y BM IN MH1 I I LOT 14 PL / / / I / / Pg oyN rp / ICP / O C1 / BL MH2 O / MH1 / / I / PLAN SCALE: 1 "=20' INSULATION \ � \ 7.5I' \ SC TC 1L 1 \ \ SC ELEVATIONS TC ELEVATIONS \ FG 99.5' FG LEFT 99.7' TOT 96.5' FG RIGHT 100.2' INLET 95.9' TOT 96.1' OUTLET 95.7' INLET 95.5' OUTLET 96.6' merit Engineering, LLC Grecian Hills, Block 2, Lot 13 Septic System Record Drawing Plan and Profile LEGEND BL - blower BM - bench mark BOH - bottom of hole/excavation BOS - bottom of siding BR - bedroom C# - cleanout CP - control panel F# - foundation cleanout ED - effective depth EG - existing ground ELEV - elevation FG - finish grade IAW - in accordance with IN - inlet MH# - 24"0 manhole MOA - Munic. of Anch. OUT - outlet PL - property line SC - settling chamber SFH - single family home ST - septic tank TC - treatment chamber SWING TIES (feet) A B F1 36.9 27.4 F2 50.1 14.1 MH1 60.9 13.3 MH2 74.6 26.0 C1 80.6 33.2 PROFILE MH2 (-p� SCALE: 1"=5' � los-r ,"` Prepared for: Date: 8-15-2022 CmI & ° tumnm � °' namng Thomas Mobley PO Box 671389 Chugiak AK 99567 • cellc.1@outlook.com Permit: OSP221170 Page: 1 of 1 Cell/Text:907-280-9493 • Fax:907-688-2295 ALL INFORMATION SHOWN ON THIS DOCUMENT IS THE PROPERTY OF CREWDSON ENGINEERING, LLC AND SHALL NOT BE USED FOR ENGINEERING OR CONSTRUCTION PURPOSES WITHOUT WRITTEN PERMISSION FROM CREWDSON ENGINEERING, LLC OUT OF A4.0 ko ame Crewdson / C11527 'ill!"� PROFESSIONP��� ALLC #112279 I I W �w Ln OW J — � O � O l0 4 F Y WO ~ N / \ O = o O Z \ \ W O \ rl / J I ML,: — A \ 00 SY�LZL 3 90,40,00 N I 0 III I LO I O / J / / 00 rzso $ / , / / / W � N U 0M � v ki / / P O Q z u N N N m / o / .90' — 3,.9L.84.0! N �V) , J Z 04 W � W ow J / U i v OJ l�l^ V! a� C 8 N N V, C: O L. J CL O m 'd it 1ULn :ga�ygOOM a CN ao�o , �N o D U HI ri! V1: W Q Q p4 O r q O Y N O mL o� a v 0.2 o o 02 m O. L O m N c 0 C m c 0.2 m N >••- �n«� CL O O OL p O N O O N O= a`U a-0m°oo ] I O� �gEa�N U9 mo.m"cc.'I a�a o.m_ wo m m u Z � x Ho awoo I mm v> E t m o C M. 0, 0 cm 'a m O o V�i o L E o L O O O N f 00.2. U m .000 « Dom 3; N I p 'oaoo.00 > a I `c am.UY C ' a O N I m 0 jo ° o m m •• O U Q V c x O O N o m N m a O m L C > � 0 CL 0 '" 3 L O Q c L m i p O o N 0 N o m L m O• ..T^UaC�N w Ec0 « OF 0 PO U m m> U 0 N m`o y O t U N C a N m 0 + C -5O O 0 C mJoPEEm m L �> °n a 3 c a o o s 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 Wastewater Disposal System Permit Permit Number: OSP221170 Work Type: SepticTank Upgrade Tax Code Number: 01707378000 Site Legal Address: GRECIAN HILLS BLK 2 LT 13 G:2940 Site Mailing Address: 8011 LAKONIA DR, Anchorage Owner: MOBLEY PAMELA & THOMAS Design Engineer: CREWDSON ENGINEERING, LLC This permit is for the construction of: ❑ Disposal Field Q Septic Tank ❑ Holding Tank ❑ Privy Effective Date: Expiration Date: Lot Size in Sq Ft: Total Bedrooms: �»ent llepar•ttric�nt 6/17/2022 6/17/2023 31593 ❑ Private 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. Provide notification by calling (907) 343-7904 (24/7). 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 Received By: Issued By: U'�✓��i Date: i Date: 3 .MUNICIPALITY Development Services Department Phone: 907-343-7904 On -Site Water & Wastewater Section Fax: 907-343-7997 ON-SITE SEPTIC/WELL PERMIT APPLICATION Parcel I. D. 017-073-78 Property owner(s) Pamela & Thomas Mobley Day phone 907-230-5372 Mailing address 8011 Lakonia Dr, Anchorage Site address Same Legal description (Sub'd., Block & Lot) Grecian Hills, Bloock 2, Lot 13 Legal description (Township, Range & Section) Lot Size 31,593 Sq. Ft. Number of Bedrooms 3 APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING: (N all that apply) Absorption Field ❑ Initial ❑ Single Family (SF) Q (w/wo ADU) Septic Tank Upgrade ❑ (D) Holding Tank ElRenewal ElDuplex Multiple Dwellings ❑ Privy ❑ (SF and/or D) Private Well ❑ Water Storage ❑ THIS APPLICATION INCLUDES A WAIVER REQUEST FOR: Distance: I certify that the above information is correct. I further certify that this is in accordance with applicable Municipal Codes. (Signature of property owner or authorized agent) Permit/Rush Fees: -K25 Date of Payment: // Z a bd a Receipt Number: 05a 33G Permit No. _0.502 LH 70 Waiver Fees: Date of Payment: Receipt Number: Waiver No. GADevelopment Services\Building Safety\On Site Water and Wastewater\Forms\Client Forms\Permit Application.doc James “Jay” Crewdson, P.E. Email: CELLC.1@outlook.com Cell/Text: (907) 280‐9493 Fax: (907) 688‐2295 PO Box 671389 ● 18368 Amonson Road ● Chugiak, Alaska 99567 June 7, 2022 Onsite Reviewer Municipality of Anchorage On‐site Water & Wastewater Program 4700 Elmore Road Anchorage, AK 99519‐6650 Reference: Grecian Hills, Block 2, Lot 13 Upgrade Septic Tank and AWWTS Design Narrative The owners of the 3‐bedroom single family home would like to upgrade the existing septic tank and install an Advanced Wastewater Treatment System at the same time. The design proposes to use a BioMicrobics BioBarrier 0.5 MBR AWWTS using Infiltrator tanks.  Please see the design sheets for further details. There are no anticipated probable adverse impacts to adjacent properties if the septic system is constructed as designed.  This includes: a. Wells; b. Wastewater disposal systems; c. Replacement disposal sites; and d. Drainage flowing onto and off of the subject property that could adversely affect performance of the wastewater disposal system. Please feel free to contact me if you have any questions. James “Jay” Crewdson, P.E. Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221170, Rebecca Carroll, 06/17/22 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221170, Rebecca Carroll, 06/17/22 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221170, Rebecca Carroll, 06/17/22 Q �. 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Tom M0bley ~oll Log FL. Below brn e IL~_ L I ,len~e~'fierdpen 0 38 herd pon-boulde~s 0 6[' ~ .......... ~0 69 total after perforated 14 ~Pm ...... ~e~f0rated G5'-69' . ........... Well Depth (f't.) DeLe of' CompleLIon I ' '~'~1 I.e-?-~ '-'1 [rotary I ~ I';*~;~ I Dlam_o.t:or. Un.) IZ:__.' b'lt° .......... I~e Finish el' ~ell Ty~e Diameter I~pen e~d~:~p~ated I Static ~ater Level Level Crt.) DaLe De,th (fL,) Weight. (lbs/fL) ..... 122l' 17l I ' "1 Pumping Level Below T of C (fL,) After (hr~) i Pump.t~g OrouUng Pump HP C.pnct~y Setting (fL) Remarks 14 Th~s well was drilled under my jurisdi~;tion and thts report, is true Lo the best of my knowledge and belief. Vernon L, Newell ',-.. 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 · 2,-31i HO'RAGE Ho,~4E '~oicDE'P...S 4 MAI LING ADDRESS LEGAL DESCRIPTION Lo-f- 13 '~cocl< LOCATION Well / DISTANCE TO: I ¢ O O '~' Manufacturer ILiq. capacity in gallons IF HOMEMADE: DISTANCE TO: I Manufacturer DISTANCE TO: Length of eac~i~ No. of lines / Top of tile 'ada I I Absorption area Dwelling ,~.. I0 ' 15, I- ~ Material~,y~__j~ L ~'< Width ~ I-- Inside length flA [] UPGRADE Dwelling Material Tot al I e ~;~$...o~ Ii n es I T,enchd~h Material beneath tile , / NO. OFBEDROOMS PERMIT NO. flaw b No. of compartments PERMIT NO. Liquid capacity in gallons PERMIT NO. Distance between lines, Total effective absorption area 1~3o ~ PERMIT NO. ' Length Type of crib DISTANCE TO: Width Depth Building fern lin~ ~ Class Depth Driller Building Sewer line DISTANCE TO: OTHER PIPE MATERIALS INSTALLER ~ EXCA~/A,'TI~G' PERMIT NO. Absorption area(s) REMARKS APPROVED DATTR C _E_ 72-073 (Rev. 3/78) Departmentk ,r Hea£tn anm mnvzronmen~a 825 '"~ Street, Anchorage, AK. ~9501 i 264-4720 ~' * * * HANDWRITTEN PERMIT * * * Permit'~~ ~ ON-SITE SEWER PERMIT /q~_~d~_, Location: Phone Number: Legal Description: ~ ~ · /~m2~c~ ~ Lot Size: Type of Soil Absorption System Is: Trench: ~'~ Drainfield: Seepage Bed': __ Holding Tank: Maximum Number of Bedrooms: ~ Soil Rating (sq. ft/br) The Required Size of the Soil Absorption System Is:' DEPTH // LENGTH ¢~'~ GRAVEL DEPTH ;f WIDTH Th~e length dimension is the ngth(in fee~) of the trench or drainfield. The depth of a trench or pit is the distance between the surface of the ground and the bottom of the excavation(in feet). There is no set width for trenches. The gravel depth is the minimum depth of gravel between the outfall pipe and the bottom of the excavation(in feet). · * REQUIRED SEPTIC(HOLDING) TANK SIZE = /~ GALLONS * * Permit applicant has the responsibility to inform this department during the installation inspections of any wells adjacent to this property and the number of residences that the well will serve. · * * TWO(2) INSPECTIONS ARE REQUIRED * * * Backfillin~ of any system without final inspection and approval by this department will be subject to prosecution. Minimum distance between a well and any on-site sewage disposal system is 100 feet for a private well or 150 to 200 feet from a public well depending upon the type of public well. Minimum distance from a private well to a private sewer line is 25 feet and to a community sewer line is 75 feet. Well logs are required and must be returned to this department within 30 days of the well completion. Other requirements may apply. Specifications and construction diagrams are available to insure proper installation. · * * PERMIT EXPIRES DECEMBER 1 9 8 3 * * * I certify that: (1) I am familiar with the requirements for on-site sewers and wells as set forth by the Municipality of Anchorage. (2) I will install the system in accordance with codes. (3) I Understand that the on-site sewer system may require enlargement if the residence is remodeled to include more that 3 bedr~ooms. Signed: ~f~ ~~-/ Issued by: ~ ~~ Applicant ~ ~/~ Date: SWP/024(1/81) .ERFORMED FOR: ~Jr~ LEGAL DESCRIPTION: 1 2-- 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19- 20 MUNICIPALITY '~ ANCHORAGE. "'-~ · . · - . ,:...... -. · ~-ZECTiON -~,' -- PER~OJ-AT~bN' -'.': 825 L. Street, Anchorage, Alaska 99501 2~-4720 -' '"- .... 2.0'-/£,o' 5AtOY 5~.T' w/ SLOPE SITE PLAN % J011t~ E, SW^NSON? 183~E, WAS GROUND WATER SL 2 ' ENCOUNTERED? ~ ~ O E IF YES, AT WHAT DEPTH? ~. ~.~ Gross Net ' Depth to Net Reading Date Time Time Water Drop / _7_/'1¢ /2:~ ._ o __ o" 'Z i2:1"[ 3 ~,'~. . ,25" ~ 't 12:2q to ~,~. ,2.~'" ~ l:oq ~o ..;~. ~/I~" I. S'"': · PERCOLATION RATE J~- ~' (minutes/inch) TEsT RUN BETWEEN b FT AND ~' 5 FT COMMENTS DATE:, CT&E Environmental Services Inc. Laboratory Division ~rj`~J~`~`~`~`~j`~`~`~`~`~j`~`~`~`~`~`~jjjjjjjjj~jjjjj~~ Laboratory Analysis Report CT&E Ref.# Client Name Project Name/# Client Sample ID Matrix Ordered By PWSID 965614001 S & S Engineering L13 B2 Grecian Hills L13 B2 Grecian Hills Drinking Water Sample Remarks: Collected By: Bob C. Client PO# Printed Date/Time 10/21/96 20:29 Collected Date/Time 10/17/96 12:30 Received Date/Time 10/17/96 14:45 Technical Director: Stephen C. Ede Released By, /~tTf/('! ~'. Allowable Prep Analysis Parameter Results PQL Units Method Limits Date Date Init Nitrate-N 0.256 0.100 mg/L SM18 4500-NO3F 10 max 10/19/96 EMB Total Coliform 0 0 co[/lOOmL SM18 9222B 10/17/96 TAV 33 OB g/O COLI 200 W. Potter Drive, Anchorage, AK 9951 8-1 605 -- Tel: (907) 562-2343 Fax: (907) 561-5301 3180 Peger Road, Fairbanks, AK 99709-5471 --Tel: (907) 474-8656 Fax: (907) 474-9685 ENVIRONMENTAL FACILITIES IN ALASKA, CALIFORNIA, FLORIDA, ILLINOIS, MARYLAND, MICHIGAN, MISSOURI, NEW JERSEY, OHIO, WEST VIRGINIA MUNICIPALITY OF ANCHORAGE ADVANCED WASTEWATER TREATMENT SYSTEM MAINTENANCE AND REPAIR AGREEMENT THIS MAINTENANCE AND REPAIR AGREEMENT, herein the "AGREEMENT" made and entered into as of this Day of_ � _.. of 20� by and between herein the "OWNER," and the Municipality of Anchorage, herein the "MUNICIPALITY", in accordance with Anchorage Municipal Code (AMC)15.65.365. In consideration of the mutual covenants contained herein, the parties to this Agreement agree as follows: 1. Advanced Wastewater Treatment Systems. The Municipality grants permission to the Owner to utilize and operate an Advanced Wastewater Treatment System (AWWTS), described as BioMicrobics BioBarrier 0.5 MBR located at (legal description) Grecian Hills, Block 2, Lot 13 2. Maintenance, Repairs and Alterations. (Owner is required. -to read, understand and initial each section) Throughout the term of this Agreement, the Owner shall enter into a service agreement with an AWWTS service and maintenance provider approved by the Municipality or the manufacturer's representative. The AWWTS shall be maintained in a satisfactory condition capable of performing as designed and producing treated septic effluent in accordance with the equipment's approval for operation in the Municipality. It shall be the responsibility of the Owner during the term of this Agreement to pay for all repair(s), maintenance, adjustment(s), replacement costs, and inspection costs. This includes an annual maintenance fee (typically $400 to $600). Owner agrees that only maintenance and repair personnel approved by the Municipal(ty or the manufacturer's representative will inspect and make any necessary maintenace, repairs or permitted alterations to the system. owner acknowledges that regular maintenance of an AWxAITS reduces the potential failure of the system, which could include sewage backup and costly repairs ejr drainfield replacement, (rev, 05/18/2018) Page 1 of 3 FA Owner acknowledges that the Municipality may requcst records of maintenance and repairs from the manufacturer's representative or maintenance provider. Owner acknowledges that the fine for failing to maintain and repair an AWWTS may be 'e-assessed in accordance with AMC 14.60.030. Owner agrees to grant the Municipality reasonable access to test and inspcct the R AWWTS. The Municipality will give at least 24-hour notice. I Owner agrees that any sale or transfer of title of the property will not occur without a new Certificate of On -Site Systems Approval. Owner agrees ith4 they AWWTS installation and maintenance requirements as provided by the A)W-WTSr ive4df installer and approved by the Municipality are the governing guide ihdefor the constructiort,.maintenance and repair of the Owner's AWWTS. Ow-nq agrees to.maintaif iiemate monitoring of the AWWTS as required by the AST 5'approval' r `. 3 } :: _ .' �•. 3. TeritiO e tefnLo�:thtis gr ement shall begin on the date of approval by the Municipality pt 0fir ,ie6e installed system, or upon transfer of title, and shall continue while the AWWTS is operational or until title is transferred. 4. Nonwaiver. The failure of the Municipality at any time to enforce a provision of this Agreement shall in no way constitute a waiver of the provisions, nor in any way affect the validity of the Agreement or any part hereof, or the right of the Municipality thereafter to enforce every provision hereof. 5. Amendment. This Agreement shall only be amended by authorized representatives of the Owner and Municipality. Any attempt to amend this agreement by either an unauthorized representative or unauthorized means shall be void. & Jurisdiction: Choice of Law. Any civil action arising from this Agreement shall be brought in the Superior Court for the Third Judicial District of the State of Alaska at ,Anchorage. The laws of the State of Alaska shall govern the rights and obligations of the parties under this Agreement, 7. Severahility. ,Any provisions of this Agreement decreed invalid by a court of compeLltent _. jurisdiction shall not invalidate the remaining, provisions of'the Agreement, (rev. 05/1 S/2018) Wage 2 of 3 Q)VINIER: j I3y: (signature) Date: (print name) STATE 4F ALASKA ) )Ss. THIRD JUDICIAL DISTRICT } The foregoing instrument was acknowledged before me this 4-1day of 2, by •o ' i NOTA PUBLIC FOR ALAS' % My Co 'ssion expires: ok cn 0P '11300 Qi,. MUNICIPALITY• �r����O i l i �;J��*` � t By: (signature) Date: 1 5 �"� L TO ^' S f (print name) Title: C- (f f ^f c� (rev. 05/18/2018) Page 3 of 3 110 8450 Cole Parkway • Shawnee, KS 66227 • Phone:913.422-0707 • Fax:913-422-0808 E-mail: onsiteabiomicrobics.com • www.biomicrobies.com • 800.753•FAST (3278) FIELD INSPECTION & SERVICE REPORT BioBarriei' MBR Systems INSTALLATION AUTHOR17ED SERVICE PROVIDER Installation Address r Nam , e !I La�t��� C, Owner Name Street �( ovt6b���! arC��� Mail.kddn:ss Olives Mail Address State Zip Cit State 7i yyCity Phone Fax c-mail I Phone Fax r-mail INSTALLATION INFORMATION Model No. Bower Brand and Serial No. Da1c ol" Insla llatton Date of last Pum Pwut Svc tiitv COMPONENT FUNCTION PROCEDURE RESULT BLOWER OPERATION Open blower housing, check to confirm that blower is running (be <� sure blower is ON and shows ON in the BB panel. INTAKE FILTER Remove wing nut from intake assembly on blower, remove all debris from filter element. Put assembly back together. CONTROL AUDIO & VISUAL Place control panel into PANEL FUNCTION MANUAL MODE then turn the hlower OFF. Sec "Manual 0. Mode" directions in sere -ice manual for proper execution of this task. REACTION BEING AERATED Remove cover from manhole over CHAMBER BioBarricr system and check to be sure vigorous boiling is ocurring (unless panel indicates the system is in LTRP mode). SOLIDS Check Solids Removal RLMOVAL procedure in the Service Q �, Manual. COMPONENT FUNCTION PROCEDURE RESULT VENTS & CLEAR VENTS AND Remove any obstructions INTAKES INTAKES ON from the intake louvres on the 0, S S BLOWER HOUSING blower housing and vents SANITF.E® CLEAN THE Clean by using the built in EFFLUENT SCREEN swab feature orother methodG7 SCREEN WATER VIEW EFFLUENT Visually observe final S QUALITY effluent of BioBarticr system Effluent should be clear. CHECK ODOR Smell odorat BioBarriervent it should he a damp, earthy�S odor COLLECT SAMPLE Refer to the "COLLECTION OF EFFLUENT SAMPLE"_�� section of the Service Manua MEMBRANE CLEAN IN PLACE Check FILT time on control FILT Reading: CARTRIDGE panel. If it exceeded16:00 REST Reading: CHEMICAL OR the vacuum reading on CLEANING the filtration pump is -7 psi 14" Hg) or LESS, AND the system floats are operating �- 0 correctly, then perform the CIP procedure according to the instructions in the Servic Manual. INTENSE Perform this cleaning OXIDATIVE procedure after four Ifl� CLEANING & consecutive CIP procedures CITRIC have been performed. Sec the ACID CLEANING Service Manual for proper procedure OTHER SYSTEM COMPONENTS �$ VI✓C� OWNER SIGNATURE TECHNICIAN SIGNATURE SERVICE DATE Please send completed form by mail to the address above, FAX to 913-422-0808, or e-mail to teoulthard(biomicrobics.com MUNICIPALITY OF ANCHORAG Al Development Services Department Phone: 907-343-7904 On -Site Water & Wastewater Section Fax: 907-343-7997 Certificate of On -Site Systems Approval Parcel I. D. 017-073-78 Legal description GRECIAN HILLS BLK 2 LT 13 Site address 8011 LAKONIA DR Anchorage AK Current property owner(s) MOBLEY Expiration Date: 10/26/2024 X The On -site system(s) is/are approved for 3 bedrooms Conditional approval for bedrooms, with the following stipulations: Comments or advisories: M Original Certificate Date: 8/15/2024 This Certificate of On -Site Systems Approval (COSA) is intended to demonstrate the subject system(s) is/are in substantial compliance with municipal code. The Municipality of Anchorage, Development Services Department (DSD) issues COSAs based upon representations provided by an independent professional engineer. The Municipality of Anchorage is not responsible for errors or omissions in the professional engineer's work. ATTACHMENTS: COSA Checklist X Well Flow Advisory Absorption Field Advisory Nitrate Advisory Tank Age Advisory Arsenic Advisory Other COSA ApprovaLJune 2022 MPIN 0 1` L40RAGE UNICIPALITY OF AIN'I Development Services Deparl(ment Phone- 907-343-7904 On -Site Water & \/Vastewater Section Fax: 907-343-7997 Certificate of On -Site Systems Approval Application 1. GENERAL INFORMATION Parcel I.D. 017-073-78 Complete legal description Grecian Hills, Block 2, Lot 13 Location (site address) 8011 Lakonia Dr, Anchorage Current property owner(s) Thomas Mobley Day phone 907-230-5372 C. ON -SITE SYSTEMS SIZED FOR 3 BEDROOMS 3. TYPE OF WATER SUPPLY: OR Private Well R Private Well serving 2 dwelling units [_1 Private Well serving 3+ dwelling units F1 Community Well or Public ❑ Water Storage 4. TYPE OF WASTEWATER DISPOSAL: 0 Private Septic F Private Septic serving 2 dwelling units El Holding Tank ❑ Community Septic or Public Sewer 5. SEPTIC TANK: Fj Steel FN Plastic F Concrete F Fiberglass Age <2 year _ See advisory if steel older than 20 years 6. ABSORPTION FIELD: RE AWWTS R Bed RN Deep Trench E] Wide Trench 0 Seepage Pit Waiver request for: Expedited review requested: F-1 Distance: By applying for this entitlement, this property is subject to inspection by municipal On -site staff to verify the accuracy of the information provided. COSA Fee $ S C) Waiver Fee $ Date of Payment 6// Date of Payment COSA # U Waiver # COSA AnolicaUon-June 2012 COSA Checklist_June 2022 COSA Checklist Legal Description: Parcel ID: If more than 1 well and/or septic system on lot, provide separate checklist. Structure served by this system ____ A. WELL DATA Well log is filed with Onsite (or attached) Date drilled Total depth ft Cased to ft Sanitary seal is functioning correctly Wires are properly protected Casing height (above ground) in. Date of flow test for COSA Static water level at beginning of test ft. Well production at time of test gpm Water storage tank volume gallons Well disinfected for coliform test? Yes No Coliform bacteria is Negative Nitrate mg/L Nitrate less than MRL (ND) Arsenic ug/L Arsenic less than MRL (ND) Collected by Date Comments __________________________________________________________________________________ B. TANK DATA Measured operating fluid level in septic tank Date of pumping Required maintenance completed, if AWWTS Comments: C. LIFT STATION Required maintenance completed Age of lift station years Lift station material Comments: D. ABSORPTION FIELD DATA Which system tested (date installed) ALL standpipes present per record drawing Total measured depth from grade ft (max) Measured depth to pipe invert from grade ft (min) N/A – pressurized field. Per record drawings, field is insulated. Monitor tubes go to bottom of effective. If not, state depth into effective Presoaked required if (Required if house vacant or field not used for more than 30 days prior to date of test) Gallons introduced gallons date Any rejuvenation treatment (past 12 months) If yes, enter date Adequacy test date Results Pass Fluid depth prior to test in Water added gal New fluid depth in Elapsed time min Final fluid depth in Absorption rate gpd FIELD STATUS – POST RECOVERY Effective depth (per record drawings) in Effective depth used in Effective depth remaining in Comments/Deficiencies: Grecian Hills, Block 2, Lot 13 017-073-78 3+ 1983 122 0 122 ■ 0.331 24+ 5/30/2024 Crewdson Engineering 56 5/30/2024 *45"/34" *not required *<2 year old AWWTS, operating and sludge levels are satisfactory 1983 *16.1 *9.1 no 10/26/2022 *0 450+ 0 300 0 450+ 84 *0 84 *northeast end of drainfield Drainfield is sized for conventional treatment, which is much larger than required for the installed AWWTS. ■ COSA Checklist_June 2022 E. SEPARATION DISTANCES From Private Well on Lot to: (Please enter distances if less than required or if community well on lot) Septic Tank/Lift Station on Lot > 100’ Yes if No ft Neighboring Tank > 100’ Yes if No ft Absorption Field on Lot > 100’ Yes if No ft Neighboring Absorption Fields > 100’ Yes if No ft Community Sewer Main > 75’ Yes if No ft Community Sewer Manhole/Cleanout > 100’ Yes if No ft Private Sewer/Septic Line > 25’ Yes if No ft Holding Tank > 100’ Yes if No ft Animal Containment > 50’ Yes if No ft Manure/Animal Excreta Storage > 100’ Yes if No ft N/A – Served by Community Well (not on lot) or Public Water From Septic/Holding Tank and Absorption Field(s) on Lot to: (Please enter distances if less than required) Building Foundations > 10’ Yes if No ft Tank to Property Line > 5’ Yes if No ft Field to Property Line > 10’ Yes if No ft Water Main > 10’ Yes if No ft Water Service Line > 10’ Yes if No ft Surface Water > 100’ Yes if No ft Wells on Adjacent Lots: Private Wells > 100’ Yes if No ft Community Wells > 200’ Yes if No ft If tank or field is under driveway comment below F. ENGINEER’S COMMENTS G. CERTIFICATION & STATEMENT OF INSPECTION BY ENGINEER 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, indicates that the on-site water supply and/or wastewater disposal system appears to comply with applicable Municipal and State codes, ordinances, and regulations in effect at the time of installation, unless noted otherwise. Name of Firm Phone Engineer’s Printed Name Date 8.6* *Tank is not in the house foundation soil bearing prism (see record drawing). 907-280-9493 ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■