HomeMy WebLinkAboutSUNNY VALLEY LT 28Sunny Valley #050-354-03 MUNICIPALITY OF ANCHORAGE Development Services Department Phone: 907-343-7904 On-Site Water & Wastewater Section Fax: 907-343-7997 Well Log Permit Number: #__________ Date of Issue: ________ Parcel Identification Number: __________________ Date Started: _________ Date Completed: _________ Is well located at approved permit location? Yes No Legal Description:_________________________________________________________________________ Property Owner Name & Address: _______________________________________ _______________________________________ _______________________________________ Borehole Data: Depth (ft) Soil Type, Thickness & Water Strata From To Method of Drilling air rotary cable tool Casing type: _________ Wall Thickness: inches Diameter: inches Depth: feet Liner Type: _________ Diameter: inches Depth: feet Casing stickup above ground: feet Static water level (from ground level): feet Pumping level: feet after hours pumping gpm Recovery Rate: gpm Method of Testing: _________ Well Intake Opening Type: Open End Open Hole Screened Start feet Stopped feet Perforations Start feet Stopped feet Grout Type: _________ Volume: _________ Depth: _________ Start feet Stopped feet Well Disinfected Upon Completion? Yes No Method of Disinfection: Comments: Well Driller: _____________________________ Company: _____________________________ Mailing Address: _____________________________ Water Sample Results: Arsenic: _________ ug/L Nitrates: _________ mg/L Total Coliform Bacteria:_________ colonies/100mL Attention: The well driller shall provide a well log to the On-site Water and Wastewater Section within 30 days of completion. MUNICIPALITY OF ANCHORAGE Development Services Department Phone: 907-343-7904 On-Site Water & Wastewater Section Fax: 907-343-7997 Pump Installation Log Well Drilling Permit Number: _______________ Date of Issue: ____-____-____ Parcel Identification Number: ____-____-____ Legal Description Block Lot Property Owner Name & Address: Pump Installation Date: _____-_____-_____ Pump Intake Depth Below Top of Well Casing: __________ feet Pump Manufacturer’s Name: ___________________________ Pump Model: _____________________________________ Pump Size: ____________hp Pitless Adapter Burial Depth: _________ feet Pitless Adapter Manufacturer’s Name: _________________________ Pitless Adapter Installer: ____________________________ Well Disinfected Upon Completion? Yes No Method of Disinfection: _____________________________ Comments: Pump Installer Name: __________________________________ Company: ___________________________________________ Mailing Address: ______________________________________ City: ___________________ State: __________Zip: _________ Attention: The pump installer shall provide a pump installation log to On-site within 30 days of pump installation. Municipality of Anchorage On -Site Water and Wastewater Section - (907) 343-7904 Page of ON-SITE WASTEWATER INSPECTION REPORT Permit Number: OSP241152 PID Number: 050-354-03 Dwelling: © Single Family (SF) ❑ with ADU ❑ Duplex (D) ❑ Two Single Family Project: 0 New ❑ Upgrade Name Kyle Haken ABSORPTION FIELD ❑ Deep Trench El Wide Trench V Bed E] Mound Site Address 9341 West Lake Dr. Eagle River ❑ Other Phone Number of Bedrooms Soil Rating Total depth from original grade 4 2.0 GPD/SF 2.43-2.47 Ft. LEGAL DESCRIPTION Depth to pipe invert from original grade 1.93-1.96 Ft. Gravel depth beneath pipe 0.50-0.51 Ft. Subdivision Block Lot Sunny Valley 28 Fill added above original grade 1.98-2.16 Ft. Gravel length 25 Ft. Township Range Section Gravel width 15 Ft. Beds: Number of Lines 3 Distance between lines 5 Ft. SEPARATION DISTANCES To Septic Absorption Holding Sewer Total absorption area Number of trenches Dist. between trenches From Tank Field Lift Station Tank Line 375 Ft z Ft. Well 91'* 79'* 97'* 259+ TANK ❑ Septic 0 S.T.E.P. ❑ Holding 0 Other Advantex Manufacturer Capacity Surface Water 1001+ 1001+ 1001+ Orenco 1500 Gal. Material Number of compartments Lot Line 101+ 10' 101+ � NA Plastic 1 Foundation 107+ 101+ 101+ LIFT STATION Manufacturer Capacity Remarks *Advantex system, minimum 50' separation Anchorage Tank 8' Pump Vault Gal. from well and surface water. Alarm location Front lawn Electrical installed by A.E.M. Installer PIPE MATERIAL House to tank Tank to D3034 drainfield F810 Extreme Construction Drainfield F810 CO/MT D3034 Inspector Arcterra Consulting BENCH MARK (Assumed elevation) 82 ft Inspection » dates: 1 7/9/24 2nd 7/10/24 Location and description Yd 7/11/24 4" 10/8/24 Garage Slab ON-SITE WATER AND WASTEWATER SECTION APPROVAL Engineer's Stamp -`+,•1� Conditional Approval: Date 1W 49 -- — 01 KENNETH M. FUSJ4.40 Septic System, % —��� CE 71 *0 Approved ,/; j --. D Not: this approval does not include well permit requir, ment . +���aaa �� ►�� (Rev 05/02/118) AS -BUILT SYSTEM DETAILS/SITE PLAN Permit OSP241152 SUNNY VALLEY LOT 28 PID# 050-354-03 - --________l0' SETBACK FOR SEPTIC SYSTEMS F IT � A -C=17,91 0 B -C=70.9 A -D=23,5 B - D = 6 9.3 A -E=17.5' B -E=53.1' A -F=27.31 B -F=41.1' A -G=38.6 B -G=64.4' A -H=44,6' B -H=55.2' AdW OF U OQ S CE -71 7� Pvssloll� -AV Ix" 4A w!: lit Al BNDY 61 _�> FINAL GRADE FAMUC .03 _7 7 MUTH 25' SCALEI NTS N PREPARED FORT KYLE HAKEN 9340 WEST LAKE DR EAGLE RIVER, AK nELD BOOKS COMPUTED, HIGUNDAR' N /A DRAWN: KSQ STMNQ N /A CHE00m; KMD Asm' ACS WE- 12/17 DWG. nLF- GRO, SWOOE ACAD nLF-' FILE JW No- 24127 FlYDREBAR JACKED TOP SCALE= / 1' z 81.50 �.�57 T NGRTH 69.50 Bw DRY 7/9/24 Alaska Electrical & Maintenance 360 E Lochcarron Dr, 99654 P: 907-203-2296 E: akelectric4160@gmail.com Lot 28 Sunny Valley Subdivision Address: 9341 W. Lake Dr, Eagle River, AK 99577 Permit No: R24-1969 Property Owner: Last Frontier Contracting LLC To Whom it May Concern, This letter serves as formal notification that the AdvanTex Septic System at Lot 28, Sunny Valley Subdivision has been successfully installed by Alaska Electric and Maintenance LLC (MOA License #CON14133). The installation was completed by Levi Johnston, a licensed journeyman (License #20072341). The alarm box is located in the front lawn area next to the home, mounted on a pedestal. The installation was performed in accordance with NEC and local code requirements. Please let us know if any additional information is needed. Best Regards, Levi Johnson Levi Johnson, 907-414-9845 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 & Wastewater System Permit Permit Number: OSP241152 Work Type: WellSeptic Initial Tax Code Number: 05035403000 Site Legal Address: SUNNY VALLEY LT 28 G:0057 Site Mailing Address: Owner: LAST FRONTIER CONTRACTING LLC Design Engineer: ARC TERRA CONSULTING INC This permit is for the construction of: Effective Date: Expiration Date: Lot Size in Sq Ft: Total Bedrooms: 7/2/2024 7/2/2025 84158 C✓( Disposal Field 0 Septic Tank ❑ Holding Tank ❑ Privy © 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 -Receive 5,i44c, 'j -to Date: Issued By: L Date: 7/ 2 4 ON-SITE SEPTIC/WELL PERMIT APPLICATION Parcel I.D. 050-354-03 Property owner(s) Kyle Haken Day phone Mailing address 9340 West Lake Dr. Eagle River, AK Site address 9341 West Lake Dr. Legal description (Sub'd., Block & Lot) Sunny Valley Lot 28 Legal description (Township, Range & Section) Lot Size 84,158 Sq. Ft. Number of Bedrooms 4 APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING: (N all that apply) Absorption Field I—XI Initial FX_1 Single Family (SF) Ki (w/wo ADU) Septic Tank N Upgrade D Duplex (D) El Holding Tank ❑ Renewal 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. Dea Duffus (Signature of property owner or authorized agent) Permit/Rush Fees: 413?_0 #' i? Z__ Waiver Fees: Date of Payment: �� 2 �-j Date of Payment: Receipt Number: C)qc4726- C2 22G Receipt Number: Permit No. n��,2?qjjg-Z Waiver No. GAIDevelopment Services\Bu i [ding Safety\On Site Water and WastewaterTorms\Client FormsTermit Application.doc Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP241152, Deb Wockenfuss, 07/02/24 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP241152, Deb Wockenfuss, 07/02/24 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP241152, Deb Wockenfuss, 07/02/24 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP241152, Deb Wockenfuss, 07/02/24 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP241152, Deb Wockenfuss, 07/02/24 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP241152, Deb Wockenfuss, 07/02/24 'X111 NICIPAI FUN OFNCIIORAGE, .F DV UNCI -:I) ti" ASTF'1'1'ATER TFtEA't`1tENI tiINUF NI NLUNITNANUE AND IMPAIR AGREEMEN'l I ITIS ',MAINTI-N,1YAT a'i'l) UPalh a(iltF.l'111. ('. Ircrein 4hc "a(rItl I ill `'"I" nrtd�' artd entered into as of this rJ& 11yof j -' V\ of 20 24 . h� and bcf=vCcn herein thc"O",Nru-- and dhc ltulm..ap, lily of anchorage, herein the " WNU IPAI.UFY' in acetWit we with 0whc uge Nhmiopd ( AMC jai{') 15,G� ,6� ha consideration ufthc mtntcrl covcnauats contanacd herein. the pcar•taes ter thi; .° gmer tent agree as Advanced Wastewater- Treatment Svstems. The ilunicipahty grants permission to the Owlier to tatihze and operate an advanced Wastewater Trcatrnent Systcm (a!'4AX TS). described as Adrantex located at (legal description) 9341 West take Dr, Ea glv E2ivcr - Sunny VanejSubd. "M 38 2. Nfaintenanre, Repairs and AIferations. (O"ner is required to real understand and initial each section) V Throughout the term of this agreement. tlae Owner shall enter into a service agreement with an ti\XAVTS scry ice and maintenance provider approved by the Municipality or the manufacturer's representative, The AWWTS shall be maintained in a satist'actory condition capable ofperforming as designed and producing treated septic effluent in accordance with the cgWpment's approval Air operation in the Municipality. It shall he tic responsibility of the O" ncr during Elie term of this t\grecment to pay t« r all repair(:). maintenance, adittstrncnt(s). replacement costs. and inspection costs. This includesan annual maintenance fee (typically S400 as S600). Owner awurces that only maintenance and repair personnel approved by the \1unicipality or the manufacturer's rmprc emotive will inspect and make any necesary maurtenance. rcp nrs or permitter alterations to the system. Ou ner ackno"Imiges that regular maintenance of an aW\l'TS reduces the potential Inch could incltufc sewage backup and costly repairs or drainticld failure of the system, tic` replaccint`rrt. 15ge I of 3 timeracI,non ledge%Ihat the \hancipaItty mai, rcrluest w"rol,vI inauitenanc "A wpm 6om tit Inantllact nrcr rc prCst ntatrt'e' of Ilnntclianco: lot Ir-, €del O"ner aAnotuleducs that the line lir Hdmg to maintain and i pour art A%V%V1 S "my W: at,sesscd m wcmdawc w ah ,= NIC (4_h(t DS, O"ner agrees to Vint Ow \w"Wlhahty rca"ollahlc accc4s to to"t and AWWTS -D-IIe N11111icinallIV \VIII Icri,t 4 -hour notice, oN timer a<<rces that am sale or trawler of title of the propeaIll unt occur xcVNRO at i= elittieate of 011 -Site Systems Approval_ Owner agli cc4 that the AAi W'l S in tallation and maintenance 1,C(Illlrements as I l ovided by the A1l'1ti TS vendora'installer and approv cd by the :1Junicipalrty are the pcern111,1 guulelincs litr the construction, rnairttenartce and repair of the On ner", A1V11'l`.5. f (inner a;recs to maintain rcrttotc mFanuoring ol`thc A1l'11`"1 S srs reclulrcal by the A\l'11' i S approl'al 3_ Term. Plc term of this Agreement shall begin un the date of approval by the Municipality to operate the installed yve ri. or upon transfer of title. and shall eontinuc while the A\V,\1`TS ia operational oi. utttii title i, trarnslerred_ Nonwaiver. The; liailure of the Municipality, at any tints to enforce a pint mon of this Agreemem, shall in no nay constitute a unAr of lite prof istons. nor in any "ay alfect the vatiieity% o0ho: 1grecrnent or any pan hercoll or the right of the \.iuni tp lq; thereafter to enforce every provision hereof, 5. Amendment. This Agrecmcrtt shall only be amended by authorrzcel represcruanre of tate C "mer and Municipality. Any attempt to amend this agreemeut by either an unautharited representative ar unauthorized means shall be v old. 6 JudmIkUmv Choice of" t.aty. Anv civil action artsing front this Agn-cement shall be brought in the Superior Court liar the Vurd .ludinal District of the State of AhAa at Anchorage. The laws of the Stair: of .= UAa ,hall govern the rights and obhusions of lite parties under this 1greemcnt. ". Scrcrabilim Any provishms of this Aygreownt decreed AwAO by a court of competent iLI' o diction shall 110 intultd.atc the remaining prov kmh of the Agreement. = W 18 -}til ^.i NO 2of3 ONN N E, H: ITIATF M ALASKA THIRD-RDICIAl o1srRICI i ,, l!,! I la I t I ro )pnm nmwi IT F lhvgmng imittiment teas acknim helot -c me tin, of 2ovy, h) NOTARY PUBLIC FOR ALASWA Way %wic MY Commission expires. msnm e Mmka � Commission Expfres jar 8, 2026I MUNICIIAL N. - BY] AIA h -- - --- ----- -- Date 7111zq 1,111c, oc% (KIWAHM Qw 3 w'; DEPARTMENT OF THE ARMY ALASKA DISTRICT, U.S. ARMY CORPS OF ENGINEERS REGULATORY DIVISION P.O. BOX 6898 JBER, AK 99506-0898 April 15, 2024 Regulatory Division POA-2019-00566 Mr. Kyle Haken 9340 West Lake Drive Eagle River, Alaska 99577 Dear Mr. Haken, This is in response to your February 13, 2024, application for a Department of the Army (DA) permit submitted on your behalf by 3-Tier Alaska, to discharge 194 cubic yards of fill material into 0.056-acre of wetlands and 25 cubic yards of fill material into 0.03-acre below the ordinary high water mark of an unnamed tributary in order to construct a pad, driveway, 24-inch culvert, and armored rock wall. It has been assigned file number POA-2019-00566, which should be referred to in all future correspondence with this office. The project site is located at Latitude 61.3040º N., Longitude 149.4683º W.; Sunny Valley Subdivision, Lot 28; 9341 W. Lake Dr. Municipality of Anchorage, near Eagle River, Alaska. DA authorization is necessary because your project will involve placement of fill material into waters of the U.S. under our regulatory jurisdiction. Based upon the information and plans you provided, we hereby verify that the work described above, which will be performed in accordance with the enclosed plan (sheets 1-4), dated April 2024, is authorized by Nationwide Permit (NWP) No. 29, Residential Development. Enclosed is a copy of the NWP No. 29, as well as the Regional and General Conditions. These documents are also available on our website at www.poa.usace.army.mil/Missions/Regulatory/Permits/Nationwide-Permits. The following Regional Conditions apply to your project: D, E, and F. You must comply with all terms and conditions associated with NWP No. 29. Further, please note General Condition 30 requires that you submit a signed certification to us once any work and required mitigation are completed. Enclosed is the form for you to complete and return to our office. Unless this NWP is modified or revoked, it expires on March 14, 2026. If you commence or are under contract to commence this activity before the date that the NWPs are modified or revoked, you will have twelve (12) months from the date of the modification or revocation of the NWPs to complete the activity under the present terms and conditions of these nationwide permits. It is incumbent upon you to remain informed of the changes to the NWPs. -2- Nothing in this letter excuses you from compliance with other Federal, state, or local statutes, ordinances, or regulations. Please contact me via email at Emily.N.Vullo@usace.army.mil, by mail at the address above, by phone at (907) 753-2704, or toll free from within Alaska at (800) 478-2712, if you have questions or to request paper copies of this letter. For more information about the Regulatory Program, please visit our website at www.poa.usace.army.mil/Missions/Regulatory. Sincerely, Emily Vullo Project Manager Enclosures © 2024 Microsoft Corporation © 2023 TomTom X NO T F O R C O N S T R U C T I O N DRAWING ISSUE THIS DRAWING WAS PRODUCED FROM ORIGINAL AS-BUILT DRAWINGS AND FIELD OBSERVATIONS, AND MAY NOT REPRESENT AN ACCURATE AS-BUILT CONDITION. DISCREPANCIES MAY BE ENCOUNTERED, AND IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY ALL CONDITIONS. 1 DRAWING REVISIONS 2 3 4 5 DRAWING ISSUE DATE GRADING PLAN 01/29/2024 KEY PLAN 4 1 CD DT SHEET NUMBER SHEET OF DRAWN CHECKED GDM PROJECT # CLIENT PROJECT # 24-XXX SHEET TITLE OWNER INFORMATION PROJECT TITLE SUN VALLEY SUBDIVISION LOT 28 X X X X X X PROJECT ADDRESS 4317 6th Avenue SE, Suite 300 Lacey, WA 98503 ph 360-318-7095 www.gdm-ae.com 1000 West Steuben St, Unit 3 Bingen, WA 98605 ph 541-436-4723 www.gdm-ae.com 1401 W 34th Ave, Suite 200 Anchorage, AK 99503 ph 907-917-2957 www.gdm-ae.com 2600 American Road, Suite 100 Rio Rancho, NM 87124 ph 575-300-1481 www.gdm-ae.com GRADING PLAN SCALE: 1" = 1000' TITLE SHEET 1 PROPERTY OWNER: KYLE HAKEN PROPERTY INFO: SUN VALLEY SUBDIVISION LOT 28 VICINITY MAP PROPERTY LOCATION SHEET INDEX 1. TITLE SHEET 2. EXISTING CONDITIONS AND DEMOLITION PLAN 3. PROPOSED SITE PLAN 4. DETAILS Feet 0 1000 2000 POA-2019-00566; Date: April 2024; Page 1 of 4 24" CMP OUTLET WETLAND FLAG LINE STREAM CENTERLINE EDGE GRAVEL FILL TREE GROUP WETLAND FLAG LINE 10' UTILITY EASEMENT 505 515 520 500 515 520 52 0 51 5 510 500 TREE GROUP TO BE REMOVED X NO T F O R C O N S T R U C T I O N DRAWING ISSUE THIS DRAWING WAS PRODUCED FROM ORIGINAL AS-BUILT DRAWINGS AND FIELD OBSERVATIONS, AND MAY NOT REPRESENT AN ACCURATE AS-BUILT CONDITION. DISCREPANCIES MAY BE ENCOUNTERED, AND IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY ALL CONDITIONS. 1 DRAWING REVISIONS 2 3 4 5 DRAWING ISSUE DATE GRADING PLAN 01/29/2024 KEY PLAN 4 1 CD DT SHEET NUMBER SHEET OF DRAWN CHECKED GDM PROJECT # CLIENT PROJECT # 24-XXX SHEET TITLE OWNER INFORMATION PROJECT TITLE SUN VALLEY SUBDIVISION LOT 28 X X X X X X PROJECT ADDRESS 4317 6th Avenue SE, Suite 300 Lacey, WA 98503 ph 360-318-7095 www.gdm-ae.com 1000 West Steuben St, Unit 3 Bingen, WA 98605 ph 541-436-4723 www.gdm-ae.com 1401 W 34th Ave, Suite 200 Anchorage, AK 99503 ph 907-917-2957 www.gdm-ae.com 2600 American Road, Suite 100 Rio Rancho, NM 87124 ph 575-300-1481 www.gdm-ae.com EXISTING CONDITIONS AND DEMOLITION PLAN SCALE: 1" = 20' PROPERTY DATA: 1. MUNICIPALITY OF ANCHORAGE 2. FEMA MAP NO 0200050415D 3. FEMA FLOOD ZONE: X EXISTING CONDITIONS AND DEMOLITION PLAN 2 I. GENERAL NOTES: A. THE FOLLOWING PROVISIONS ARE TO BE USED IN CONJUNCTION WITH MUNICIPALITY OF ANCHORAGE STANDARDS, ALASKA DEPARTMENT OF TRANSPORTATION (AKDOT) DESIGN STANDARDS, AND ALL OTHER APPLICABLE JURISDICTIONS. B. ANY REVISIONS TO THESE PLANS MUST BE REVIEWED AND APPROVED BY THE ENGINEER OF RECORD (EOR) AND THE OWNER. C. CONTRACTORS SHALL FAMILIARIZE THEMSELVES WITH THE PROJECT SITE AND BRING ANY DISCREPANCIES TO THE ATTENTION OF THE EOR PRIOR TO UNDERTAKING OF THE AFFECTED WORK. D. ANY DISCREPANCIES IN THESE DRAWINGS, SPECIFICATIONS, NOTES, AND THE SITE CONDITIONS SHALL BE REPORTED TO THE OWNER, WHO SHALL DIRECT CORRECTIVE ACTION FOR SUCH DISCREPANCIES IN WRITING AFTER THOROUGHLY REVIEWING ANY CHANGES. ANY WORK DONE BY THE CONTRACTOR AFTER THE DISCOVERY OF SUCH DISCREPANCIES SHALL BE DONE AT THE CONTRACTOR'S RISK. THE CONTRACTOR SHALL VERIFY AND COORDINATE THE DIMENSIONS AMONG ALL DRAWINGS PRIOR TO PROCEEDING WITH ANY WORK. IN CASE OF DIFFERENCE BETWEEN DRAWINGS AND SPECIFICATIONS, THE SPECIFICATIONS SHALL GOVERN. E. A PRE-CONSTRUCTION MEETING SHALL BE HELD WITH THE CONTRACTOR, CITY, ENGINEER, OWNER AND ALL APPLICABLE INSPECTORS PRIOR TO BEGINNING WORK. F. PRIOR TO CONSTRUCTION, THE CONTRACTOR SHALL GIVE TIMELY NOTIFICATION TO ALL UTILITY COMPANIES WITH FACILITIES IN THE AREA. G. THE CONTRACTOR SHALL TAKE ALL NECESSARY PRECAUTIONS TO SAFEGUARD ALL EXISTING STRUCTURES, UTILITIES, LANDSCAPING, AND SURVEY MARKERS. PROVIDE FALSEWORK, SHORING, UNDERPINNING, AND INCLINOMETERS AS IS REQUIRED TO PERFORM THE WORK. H. ALL CONSTRUCTION SHALL BE DONE IN A SAFE MANNER AND IN STRICT COMPLIANCE WITH ALL REQUIREMENTS OF FEDERAL OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970, AND ALL STATE AND LOCAL SAFETY CODES WHERE APPLICABLE. I. THE CONTRACTOR IS TO PROVIDE LOCATES AS IS NEEDED TO PERFORM THE WORK. J. THE CONTRACTOR SHALL NOTIFY THE OWNER AND CITY AT LEAST 24 HOURS PRIOR TO CONSTRUCTION OF ITEMS REQUIRING INSPECTIONS. K. PRIOR TO CONSTRUCTION OR INSTALLATION, SHOP DRAWINGS SHALL BE SUBMITTED TO AND APPROVED BY THE EOR, OWNER AND CITY FOR ANY MATERIALS OR STRUCTURES PROPOSED. L. THE EXISTING UNDERGROUND UTILITIES SHOWN HEREON ARE BASED UPON EXISTING RECORD DRAWINGS AND ARE NOT GUARANTEED TO BE ACCURATE, NOR ALL INCLUSIVE. M. ALL UTILITIES MUST BE VERIFIED PRIOR TO CONSTRUCTION. N. NOTIFY OWNER 72 HOURS IN ADVANCE OF PERFORMING UNDERGROUND UTILITY LOCATES. THE OWNER WILL ILLUMINATE ALL STREET LIGHTING AND EXTERIOR LIGHTING FOR THE CONTRACTOR SO ANY UNDERGROUND ELECTRICAL CONVEYANCE MAY BE DISCOVERED DURING THE LOCATE. IN THE EVENT THE CONTRACTOR CUTS THROUGH AN ELECTRICAL CABLE AND THE LOCATE WAS PERFORMED WITHOUT NOTIFICATION THIS WILL NOT BE TREATED AS A DIFFERING SITE CONDITION AND THE CONTRACTOR SHALL REPLACE THE CUT CABLE FROM THE FIXTURE TO THE ORIGINAL SPLICE LOCATION AT NO COST OR TIME EXTENSION TO THE OWNER. REPAIR AT THE UNINTENTIONAL CUT IS NOT ACCEPTABLE. O. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO PROTECT, IN PLACE, ALL UTILITIES AND/OR STRUCTURES WHETHER SHOWN OR NOT SHOWN ON THIS PLAN. PROVIDE FALSEWORK AS IS REQUIRED TO TEMPORARILY SUPPORT ALL MATERIAL. DAMAGE DUE TO THE CONTRACTOR'S OPERATIONS SHALL BE REPAIRED AT THE CONTRACTORS EXPENSE. P. DO NOT CUT OR DAMAGE EXISTING UTILITIES, STRUCTURAL MEMBERS, OR BUILDING FOUNDATIONS. HAND EXCAVATE IN LOCATIONS WHERE EXISTING UTILITIES ARE SUBJECT TO DAMAGE. Q. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING THE CONSTRUCTION SCHEDULE AND BUDGET. R. THE CONTRACTOR AND OWNER SHALL BE RESPONSIBLE FOR CONSTRUCTION MANAGEMENT THROUGHOUT THE ENTIRETY OF THE PROJECT. II. ADDITIONAL PERMITS A. ADDITIONAL CONSTRUCTION PERMITS MAY BE REQUIRED FOR ON-SITE WORK INCLUDING ALL GRADING, AND EROSION CONTROL AND THE RESPONSIBILITY OF THE CONTRACTOR. ADHERENCE TO ALL CONDITIONS OF THESE PERMITS IS REQUIRED AS A PART OF THIS PLAN. COORDINATE WITH OWNER. B. ADDITIONAL CONSTRUCTION PERMITS MAY BE REQUIRED FOR SIDEWALK INSTALLATION AS WELL AS CURB AND GUTTER REMOVAL AND DRIVEWAY CONSTRUCTION WHEN CONSTRUCTED AT BUILDING PERMIT STAGE AND IS THE RESPONSIBILITY OF THE CONTRACTOR. COORDINATE WITH OWNER. C. CONTRACTOR IS RESPONSIBLE FOR OBTAINING APPROVAL FOR ANY CONSTRUCTION PERMIT, LOCAL JURISDICTION SPECIFIC PERMITS, ETC. REQUIRED FOR THE SCOPE OF WORK TO BE COMPLETED. III. EROSION CONTROL NOTES A. WHEN CONSTRUCTION OPERATIONS ARE SUCH THAT DEBRIS FROM THE WORK IS DEPOSITED ON THE STREETS, THE CONTRACTOR SHALL IMMEDIATELY REMOVE ANY DEPOSITS OR DEBRIS WHICH MAY ACCUMULATE ON THE ROADWAY SURFACE. IF THE CONTRACTOR FAILS TO KEEP THE STREETS FREE FROM DEPOSITS AND DEBRIS RESULTING FROM THE WORK, THE CONTRACTOR SHALL, UPON ORDER OF THE OWNER, PROVIDE FACILITIES FOR, AND REMOVE ALL CLAY, DIRT, OR OTHER DEPOSITS FROM THE TIRES OR BETWEEN WHEELS BEFORE TRUCKS OR OTHER EQUIPMENT WILL BE ALLOWED TO TRAVEL OVER PAVED STREETS. SHOULD THE CONTRACTOR FAIL OR REFUSE TO CLEAN THE STREETS IN QUESTION, OR THE TRUCKS OR EQUIPMENT IN QUESTION, OWNER MAY ORDER THE WORK SUSPENDED AT THE CONTRACTORS RISK UNTIL COMPLIANCE WITH THE CONTRACTOR'S OBLIGATIONS IS ASSURED, OR THE OWNER MAY ORDER THE STREETS IN QUESTION CLEANED BY OTHERS AND SUCH COSTS INCURRED IN ACHIEVING COMPLIANCE WITH THESE REQUIREMENTS, INCLUDING CLEANING OF THE STREETS, SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR. B. THE CONTRACTOR SHALL PROTECT EXISTING DRAINAGE STRUCTURES USING ACCEPTABLE METHODS AND MATERIALS AS SHOWN IN THE CONSTRUCTION DOCUMENTS AND CITY ENGINEERING STANDARDS. IF THE METHODS AND MATERIALS AS SHOWN ON THE PLAN ARE NOT ADEQUATE, THE OWNER MAY REQUIRE ADDITIONAL/ALTERNATIVE METHODS FOR EROSION CONTROL AND/OR PROTECTION OF EXISTING DRAINAGE STRUCTURES. ANY DAMAGE CAUSED TO THE STORMWATER SYSTEM AS A RESULT OF THE WORK OUTLINED ON THIS PLAN SHALL BE THE SOLE RESPONSIBILITY OF THE CONTRACTOR. RESOLVING SAID DAMAGE MAY INCLUDE, BUT NOT BE LIMITED TO, THE CLEANING OF THE DRAINAGE SYSTEM IN QUESTION BY THE CONTRACTOR. C. WATERING PROVISIONS WHEN APPLICABLE MUST BE IN PLACE TO PREVENT DUST FROM BECOMING AIR BORNE. VIOLATION OF THIS CONDITION WILL RESULT IN A STOP WORK ORDER UNTIL CORRECTED. D. FILL THAT WILL SUPPORT A STREET SECTION OR OTHER STRUCTURES SHALL BE PLACED UNDER THE INSPECTION OF A STATE LICENSED GEOTECHNICAL ENGINEER HIRED BY THE GENERAL CONTRACTOR. SOIL TO BE PLACED SHALL BE TESTED AND COMPACTED TO 95% OF ITS MAXIMUM DENSITY. CONTRACTOR SHALL DOCUMENT EXISTING SITE CONDITIONS, SOIL AND ITS PLACEMENT AND ALLOWABLE BEARING CAPACITY SUBMITTED. IV. EROSION CONTROL MEASURES A. MINIMUM EROSION CONTROL MEASURES SHALL INCLUDE: 1. CONSTRUCTION ENTRANCE (WHEN APPLICABLE) 2. PERIMETER EROSION/SEDIMENTATION CONTROL 3. PROTECTION OF CATCH BASINS AND OTHER STORM DRAINAGE INFRASTRUCTURE. 4. STABILIZATION OF EXPOSED SOILS B. ALL EROSION CONTROL SHALL BE IN PLACE PRIOR TO CLEARING. THE CONTRACTOR SHALL CALL THE OWNER FOR INITIAL EROSION CONTROL INSPECTION PRIOR TO START OF WORK, AS DESCRIBED BELOW. C. EROSION CONTROL MEASURES SHALL BE MAINTAINED AT ALL TIMES TO THE APPROVAL OF THE OWNER. D. CALL FOR INSPECTION UPON COMPLETION OF: 1. STAKING OF CLEARING LIMITS 2. INSTALLATION OF EROSION CONTROL AND PRIOR TO SITE GRADING 3. PRIOR TO REMOVAL OF EROSION CONTROL DEVICES E. ALL MATERIAL REMOVED FROM SITE SHALL BE PLACED ONLY AT A PERMITTED SITE. VERIFY LOCATION OF DESTINATION OF MATERIAL PRIOR TO EXPORTATION. F. OFFSITE TRAFFIC CONTROL PROVISIONS AS APPROVED BY THE CITY TRAFFIC ENGINEER SHALL BE ADHERED TO AT ALL TIMES. G. TREES TO BE REMOVED SHALL BE CLEARLY MARKED FOR REMOVAL. TREES TO BE SAVED SHALL BE FENCED WITH BARRICADE FENCE AT THE DRIP LINE (OUTER EDGE OF TREE BRANCHES) TO KEEP CONSTRUCTION VEHICLES FROM COMPACTING ROOT ZONE AND KILLING TREES. THIS FENCING SHALL BE MAINTAINED UNTIL CONSTRUCTION ENDS. H. SOME VEGETATION, TREES, AND PLANTS MAY BE HISTORICAL IN NATURE AND WILL REQUIRE SPECIAL PERMITS AND SPECIAL PROTECTION WITH TEMPORARY WATERING AT THE RESPONSIBILITY OF THE CONTRACTOR. V. EARTHWORK AND COMPACTION A. ALL ORGANIC AND OTHER UNSUITABLE MATERIAL SHALL BE REMOVED UNDER AREAS TO BE PAVED AND FOR THE FULL WIDTH OF THE RIGHT-OF-WAY. B. SUITABLE UTILITY TRENCH BACKFILL SHALL BE USED AND COMPACTED AS DIRECTED BY THE OWNER. BACKFILL IN ACCORDANCE WITH THE AKDOT STANDARD SPECIFICATIONS AND MUNICIPALITY OF ANCHORAGE ENGINEERING SPECIFICATIONS. 1. BEDDING MATERIAL ACCORDING TO AKDOT STANDARD SPECIFICATIONS AND MUNICIPALITY OF ANCHORAGE ENGINEERING SPECIFICATIONS SHALL BE PLACED AT THE BOTTOM OF THE TRENCH. 2. WHERE BACKFILLING A UTILITY TRENCH, PLACE BACKFILL EQUALLY ON OPPOSITE SIDES OF THE PIPE AT THE SAME TIME AND IN LAYERS, THE FIRST LAYER SHALL COME UP TO THE HALF THE DIAMETER OF THE PIPE AND THEN NO GREATER THAN 8 INCHES DEEP FROM THE TOP OF PIPE ONWARD. 3. ALL TRENCHES SHALL BE BACKFILLED AND COMPACTED TO 98% STANDARD PROCTOR ON THIS PROJECT PER ASTM T-180. TESTING SHALL BE VERIFIED BY GEOTECHNICAL ENGINEER. 4. MAINTAIN AT LEAST 3 FEET OF COVER UNLESS TRIMMING FOR FINAL GRADE OR OTHERWISE NOTED ON PLANS OR DETAILS. 5. MAINTAIN THE LINE AND GRADE OF THE PIPE DURING THE BACKFILLING OPERATION. C. EXISTING TREE REMOVAL, RELOCATION, MITIGATION SHALL BE COORDINATED WITH THE LANDSCAPE ARCHITECT AND/OR ARBORIST. D. IF WORKERS ENTER ANY TRENCH OR OTHER EXCAVATION FOUR FEET OR MORE IN DEPTH THAT DOES NOT MEET THE OPEN PIT REQUIREMENTS OF AKDOT STANDARD SPECIFICATIONS AND MUNICIPALITY OF ANCHORAGE ENGINEERING SPECIFICATIONS, IT SHALL BE SHORED AND CRIBBED. ALL TRENCH SAFETY SYSTEMS SHALL MEET THE REQUIREMENTS OF AKDOT STANDARD SPECIFICATIONS AND MUNICIPALITY OF ANCHORAGE ENGINEERING SPECIFICATIONS. THE CONTRACTOR ALONE SHALL BE RESPONSIBLE FOR ALL WORKER SAFETY, THE DESIGNER AND/OR ENGINEER OF RECORD, NOR THE OWNER ASSUMES ANY RESPONSIBILITY. E. CONTRACTOR SHALL RECEIVE VERBAL OR WRITTEN APPROVAL TO BACKFILL TRENCH FROM OWNER PRIOR TO DOING SO. IF TRENCH MUST BE BACKFILLED PRIOR TO APPROVAL BY OWNER, CONTRACTOR IS AT RISK TO EXCAVATE ANY PORTION OF THE TRENCH FOR VISUAL INSPECTION. Feet 0 20 40 POA-2019-00566; Date: April 2024; Page 2 of 4 0+ 0 0 1+ 0 0 1+ 4 2 0+ 0 0 1+ 0 0 1+ 5 7 0+00 1+00 1+40 -0 + 0 0 1+00 2+ 0 0 2+ 1 0 520 5 2 0 520 520 505 510 510 505 515 520 520 520 51 5 510 515 505 51 0 525525 520 520 515 FG N: 2669035.25 E: 1733755.83 FG: 522.50 FG N: 2668977.05 E: 1733768.15 FG: 522.50 FG N: 2669015.09 E: 1733815.56 FG: 519.77 FG N: 2668979.37 E: 1733886.26 FG: 514.00 FG N: 2668941.30 E: 1733909.80 FG: 514.00 FG N: 2668921.01 E: 1733918.50 FG: 514.00 FG N: 2668913.88 E: 1733937.51 FG: 514.00 FG N: 2668915.91 E: 1733962.03 FG: 514.00 FG N: 2668920.50 E: 1733980.92 FG: 514.00 FG N: 2668923.27 E: 1733989.93 FG: 514.00 FG N: 2668931.50 E: 1733996.43 FG: 514.00 FG N: 2668997.99 E: 1733998.21 FG: 514.00 FG N: 2669014.89 E: 1733870.30 FG: 520.53 FG N: 2668991.50 E: 1733815.82 FG: 522.00 51 5 5 1 5 WETLAND FLAG LINE INSTALL 60 L.F. - 24" CORRUGATED HDPE I.E. = 517.90 PROPOSED FILL AREA PROPOSED HOUSE PAD MATCH EXISTING ROAD ELEVATION ROCK ARMOR TOE OF PAD, SEE DETAIL ROCK ARMOR TOE OF PAD, SEE DETAIL ROCK ARMOR TOE OF PAD, SEE DETAIL 24" CORRUGATED HDPE I.E. = 510.34 EXISTING STREAM CENTER LINE TO REMAIN EXISTING STREAM CENTER LINE TO BE FILLED, SEE CULVERT SECTION AND DETAIL 32X68 HOUSE FOUNDATION FOOTPRINT 30X30 SHOP FOUNDATION FOOTPRINT 0+00 1+00 1+29 0+ 0 0 0 + 8 6 515 515 -0+00 0+20 0+40 0+6 0 0+ 8 0 1+ 0 0 1+ 2 0 1 + 4 0 1+60 1+80 2+00 2+10 FG N: 2669034.88 E: 1733870.22 FG: 521.68 El e v a t i o n El e v a t i o n OFFSET -0+00 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 0+20 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 0+40 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 0+60 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 0+80 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 1+00 500 510 520 530 500 510 520 530 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 EXISTING GROUND EXISTING GROUND EXISTING GROUND EXISTING GROUND EXISTING GROUND EXISTING GROUND FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE El e v a t i o n El e v a t i o n Station 500 505 510 515 520 525 500 505 510 515 520 525 0+00 0+25 0+50 0+75 1+00 1+25 1+50 1+57 PROPOSED HOUSE PAD EXISTING GROUND El e v a t i o n El e v a t i o n Station 505 510 515 520 525 505 510 515 520 525 0+00 0+25 0+50 0+75 1+00 1+25 1+40 PROPOSED HOUSE PAD EXISTING GROUND El e v a t i o n El e v a t i o n Station 510 515 520 525 510 515 520 525 0+00 0+25 0+50 0+75 1+00 1+251+29 PROPOSED FILL PAD EXISTING GROUND El e v a t i o n El e v a t i o n Station 505 510 515 520 525 505 510 515 520 525 0+00 0+25 0+50 0+75 1+00 1+25 1+42 PROPOSED FILL PAD EXISTING GROUND El e v a t i o n El e v a t i o n Station 505 510 515 520 525 505 510 515 520 525 0+00 0+25 0+50 0+75 0+86 PROPOSED PAD EXISTING GROUND EXISTING 24" CMP I.E. = 519.67 I.E. = 517.90 ROCK ARMOR, SEE DETAIL CULVERT OUTFALL, SEE DETAIL PROPOSED 24" CORRUGATED HDPE I.E. = 510.34 El e v a t i o n El e v a t i o n OFFSET 1+20 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 1+40 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 1+60 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 1+80 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 2+00 500 510 520 530 500 510 520 530 El e v a t i o n El e v a t i o n OFFSET 2+10 500 510 520 530 500 510 520 530 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 -20 -10 0 10 20 EXISTING GROUND EXISTING GROUND EXISTING GROUND EXISTING GROUNDEXISTING GROUND EXISTING GROUND FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADEFINISHED GRADE FINISHED GRADE El e v a t i o n El e v a t i o n Station 510 515 520 525 530 510 515 520 525 530 0+00 0+25 0+50 0+75 1+00 1+25 1+50 1+75 2+00 2+10 0.0% 14.0 %-12 . 6 % FINISHED GRADE EXISTING GROUND PROPOSED HOUSE PAD X NO T F O R C O N S T R U C T I O N DRAWING ISSUE THIS DRAWING WAS PRODUCED FROM ORIGINAL AS-BUILT DRAWINGS AND FIELD OBSERVATIONS, AND MAY NOT REPRESENT AN ACCURATE AS-BUILT CONDITION. DISCREPANCIES MAY BE ENCOUNTERED, AND IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY ALL CONDITIONS. 1 DRAWING REVISIONS 2 3 4 5 DRAWING ISSUE DATE GRADING PLAN 01/29/2024 KEY PLAN 4 1 CD DT SHEET NUMBER SHEET OF DRAWN CHECKED GDM PROJECT # CLIENT PROJECT # 24-XXX SHEET TITLE OWNER INFORMATION PROJECT TITLE SUN VALLEY SUBDIVISION LOT 28 X X X X X X PROJECT ADDRESS 4317 6th Avenue SE, Suite 300 Lacey, WA 98503 ph 360-318-7095 www.gdm-ae.com 1000 West Steuben St, Unit 3 Bingen, WA 98605 ph 541-436-4723 www.gdm-ae.com 1401 W 34th Ave, Suite 200 Anchorage, AK 99503 ph 907-917-2957 www.gdm-ae.com 2600 American Road, Suite 100 Rio Rancho, NM 87124 ph 575-300-1481 www.gdm-ae.com PROPOSED SITE PLAN SCALE: 1" = 20' DRIVEWAY SECTION VIEWS SCALE: H: 1" = 20' V: 1" = 5' SECTION VIEW A: HOUSE PAD ( NORTH\SOUTH) SCALE: H: 1" = 20' V: 1" = 5' SECTION VIEW B: HOUSE PAD (EAST/WEST) SCALE: H: 1" = 20' V: 1" = 5' SECTION VIEW C: FILL PAD (NORTH/SOUTH) SCALE: H: 1" = 20' V: 1" = 5' SECTION VIEW D: FILL PAD( EAST/WEST) SCALE: H: 1" = 20' V: 1" = 5' C- A- B- D- 2% CROSS SLOPE 20 ' 20' CULVERT PROFILE VIEW SCALE: H: 1" = 20' V: 1" = 5' Feet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ate: April 2024; Page 3 of 4 MUNICIPALITY OF ANCHORAGE Aqw Development Services Department Phone: (907)343-7904 On-Site Water & Wastewater Section Fax: (907)343-7997 Certificate of On -Site Systems Approval OSC251057 Parcel ID 050 -354-03 Legal description SUNNY VALLEY LT 28 Site address 9341 WEST LAKE DR Expiration Date: 7/9/2025 Current property owner(s) LAST FRONTIER CONTRACTING LLC The On-site system(s) is/are approved for bedrooms Conditional approval for bedrooms, with the following stipulations: Comments or conditions: By: Original Certificate Date 2/28/2025 v Ti s C ificate ofOn-Sie SystemsApproval (COSA) is intended to demonstrate the subject (s) is/are in substantial compliance with municipal code. The Municipality of Anchorage, D velopment Service 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 submittal. ATTACHMENTS: COSA Checklist X Well Flow Advisory Absorption Field Advisory Nitrate Advisory Tank Age Advisory Arsenic Advisory Other MUNICIPALITY OF ANCHORAGE Development Services Department Phone: 907-343-7904 On -Site Water & Wastewater Section Fax: 907-343-7997 Certificate of On -Site Systems Approval Application 1. GENERAL INFORMATION Parcell.D. o50 -354-o3 Complete legal description Sunny Valley Lot 28 Location (site address) 9341 West Lake Dr. Eagle River Current property owner(s) Kyle Haken Day phone 2. ON-SITE SYSTEMS SIZED FOR 4 BEDROOMS 3. TYPE OF WATER SUPPLY: V Private Well ❑ Private Well serving 2 dwelling units ❑ Private Well serving 3+ dwelling units ❑ Community Well or Public ❑ Water Storage 4. TYPE OF WASTEWATER DISPOSAL: © Private Septic ❑ Private Septic serving 2 dwelling units ❑ Holding Tank ❑ Community Septic or Public Sewer 5. SEPTIC TANK: ❑ Steel [Z Plastic ❑ Concrete ❑ Fiberglass Age o - See advisory if steel older than 20 years 6. ABSORPTION FIELD: ® AWWTS © Bed ❑ Deep Trench ❑ Wide Trench ❑ Seepage Pit Waiver request for: Expedited review requested: ❑ 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 $ %5 / Date of Payment COSA # 0 _62 G 2- E (O c% Waiver Fee $ Date of Payment Waiver # COSA Application—June 2022 COSA Checklist Legal Description: _Sunny Valley Lot 28 Parcel ID: 050-354-03 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 7/30/24 Total depth 132 ft Cased to 40+ ft Fv� Sanitary seal is functioning correctly © Wires are properly protected Casing height (above ground) 26 in. Date of flow test for COSA New Well Static water level at beginning of test 10* ft. Comments *Artesian B. TANK DATA Measured operating fluid level in septic tank New Date of pumping ❑ Required maintenance completed, if AWWTS Comments: New system installed 7/9/24 D. ABSORPTION FIELD DATA Which system tested (date installed) 7/10/24 ALL standpipes present per record drawing Total measured depth from grade 4.12 ft (max) Measured depth to pipe invert from grade ft (min) ❑✓ N/A — pressurized field. ❑ Per record drawings, field is insulated. W1 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 Comments/Deficiencies: COSA Checklist—June 2022 Well production at time of test 50+ gpm Water storage tank volume None gallons Well disinfected for coliform test? ❑ Yes 0 No © Coliform bacteria is Negative Nitrate mg/L FZI Nitrate less than MRL (ND) Arsenic ug/L ✓❑ Arsenic less than MRL (ND) Collected by Arcterra Consulting Date 2/19/25 C. LIFT STATION ❑ Required maintenance completed Age of lift station 0 years Lift station material Plastic Comments: New system installed 7/10/24 Adequacy test date New system 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 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 Community Sewer Manhole/Cleanout > 100' ❑Yes if No 91* ft ] Yes if No ft Neighboring Tank > 100' 0 Yes if No ft Private Sewer/Septic Line > 25' © Yes if No ft Absorption Field on Lot > 100' ❑ Yes if No 79* ft Holding Tank > 100' ❑✓ Yes if No ft Neighboring Absorption Fields > 100' if No ft Animal Containment > 50' ❑✓ Yes if No ft Yes if No ft ft If tank or field is under driveway comment below Manure/Animal Excreta Storage > 100' Community Sewer Main > 75' ./❑ Yes if No ft ✓❑ 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 Surface Water > 100' ❑✓ Yes if No ft Tank to Property Line > 5' 0 Yes if No ft Wells on Adjacent Lots: Field to Property Line > 10' V Yes if No ft Private Wells > 100' Yes if No ft Water Main > 10' Q Yes if No ft Community Wells > 200' Yes if No ft Water Service Line > 10' ❑✓ Yes if No ft If tank or field is under driveway comment below F. ENGINEER'S COMMENTS *Advantex system, minimum 50'separation from well and surface water 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 Arcterra Consulting Phone (907)-696-6111 Engineer's Printed Name Kenneth Duffus Date �-Z t� Engineer's Comments: This investigation was completed in compliance with ADEC and MOA regulations. 40� x **Mrr+!t 111a ` The assessment of the condition of the well and septic applies only to the conditions as of the day tested. The C flow and absorption rates may change due to subsurface conditions that may not be observed from the surface, changes inland use, local soil characteristics, groundwater levels that may fluctuate during the year r �7 and the water usage of the family being served by the system. The operational life of all well and septic * 4g IM systems are subject to these various and dynamic characteristics and are outside the control of the evaluator . *-,A of the well and septic system. Therefore, ArcTerra cannot give any estimate of how long a system will i function satisfactory for current or future occupants or can ArcTerra guarantee that no unseen ■ encroachments, deficiencies or discrepancies exist *� 4N.MET4,4 DqFAS COSA Checklist -June 2022 �Marwr*� WETLAND BNDY TREED WETLANDS WEST LAKE DRIVE PAVED PUBLIC ROAD LOT 28 SUNNY VALLEY SUBD. PLAT P-631 84,144 SQ FT 1.932 ACRES LOT 27 SUNNY VALLEY SUBD. LOT 29 SUNNY VALLEY SUBD. 1' SEASONAL STREAM 14.3' 4.0' 33.6' 4.0' 12.3' 32 . 3 ' 32 . 3 ' 60.2' SINGLE FAMILY HOME 10' UTIL ESMT GAS METER ELEC. METER 26.9' 49 . 5 ' 168.9' 24 6 . 9 ' COVERED PORCH 2ND STORY DECK LANDING ADVANTEK SEPTIC TANK ADVANTEK MONITORING EQUIPMENT CABLE RISER 50.0' MANHOLE LIDS SEPTIC CLEANOUTS WATER WELL GRAVEL DRIVEWAY ADDRESS NUMBERS ON POST AND ALONGSIDE FRONT DOOR Alaska Construction Surveys 907 E Dowling Rd, Suite 10 Anchorage, AK 99518 Office: (907) 344-5505 Fax: (907) 344-4775 mcrow@akconstsurveys.com ALASKA C CONSTRUCTION A SURVEYS S LO T 2 8 SU N N Y V A L L E Y S U B D AS B U I L T SHEET: 1 of 1 FIELD SURVEY DATE: 11/05/24 CREW: B.B. DRAWN BY: F.C. CHECKED: M.C. & A.V. SCALE: 11x17: 1" = 40' 22x34: 1" = 20' EXCLUSIONS IT IS THE RESPONSIBILITY OF THE OWNER OR BUILDER TO DETERMINE THE EXISTENCE OF ANY EASEMENTS, COVENENTS, OR RESTRICTIONS WHICH DO NOT APPEAR ON THE RECORDED PLAT. UNDER NO CIRCUMSTANCES SHOULD ANY DATA HEREON BE USED FOR ESTABLISHING BOUNDARY OR FENCE LINES. PROPERTY DESCRIPTION: LOT 28 SUNNY VALLEY SUBDIVISION, ACCORDING TO PLAT P-631 ANCHORAGE RECORDING DISTRICT. LOCATED IN THE E 1 2, NW 1 4, SEC. 16, T 14 N, R 1 W, SEWARD MERIDIAN, ALASKA ASBUILT CERTIFICATION I HEREBY CERTIFY THAT I HAVE SURVEYED THE FOLLOWING PROPERTY, LOT 41, BLOCK 1 MEADOW WOOD SUBDIVISION, AND THAT NO ENCROACHMENTS EXIST, EXCEPT AS NOTED. Feet 40200 04 Mar 2025