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HomeMy WebLinkAboutT12N R3W SEC 22 LT 25 S396' Onsite File T12N R3W Sec 22 Lot 25 5396 ' #015 - 521 - 40 SUBMITTA' Municipality of Anchorage WNOv219 On -Site Water and Wastewater Section • (907) 343-7904 Page 1 of 3 ON-SITE WASTEWATER INSPECTION REPORT Permit Number: OSP191091 PID Number: 015-521-40 Dwelling: 0 Single Family (SF) ❑ with ADU ❑ Duplex (D) ❑ Two Single Family Project: ❑ New 0 Upgrade Name Ben & Eleanor Parrish ABSORPTION FIELD ❑ Deep Trench 0 Wide Trench ❑ Bed ❑ Mound Site Address 11135 Our Rd, Anchorage, AK 99516. ❑ Other Phone Number of Bedrooms Soil Rating Total depth from original grade 306-2768 4 1.2 GPD/SF 7.1 Ft. LEGAL DESCRIPTION Depth to pipe invert from original grade 3.1 Ft. Gravel depth beneath pipe 4.0 Ft. Subdivision Block Lot 25 S 396' Fill added above original grade 0.0 Ft. Gravel length 50 Ft. Township Range Section 12N 3W 22 Gravel width 5.0 Ft. Beds: Number of Lines Distance between lines Ft. SEPARATION DISTANCES To Septic Absorption Lift Station Holding Sewer Total absorption area Number of trenches Dist. between trenches From Tank Field Tank Line '5500 Ftz 1 Ft. Well >100' >1 00' N/A N/A >25 TANK 9 Septic ❑ S.T.E.P. ❑ Holding ❑ Other Manufacturer Anchorage Tank Capacity 1,250 Gal. Surface Water >100' >1 00' N/A N/A Material Steel Number of compartments 2 Lot Line >5' >10' N/A N/A NA Foundation >10' >10' N/A N/A LIFT STATION Manufacturer Capacity Gal. Remarks 2" Insulation Over trench. Alarm location Electrical installed by PIPE MATERIAL House to tank D3034 drainfield Tank to D3034 Installer John's Excavating Drainfield D3034 CO/MT D3034 Inspector J. Millette BENCH MARK (Assumed elevation) 100 ft Inspdection 15' 4/24/19 5/29/19 Location and description 2nd Garage slab. 3rd 4th ON-SITE WATER AND WASTEWATER SECTION APPROVAL Engineer's Stamp FC T 44 4,440 Conditional Approval: Date-�P,..� .,,•° �� 0 + f 49 th =®®® un..........uuu...e.u.Y ' MICHAEL E. ANDERSON �� �'. zA Septic System Approved Date 7 % a%d.?D ,.� �<` °°°•,011/4/19 38.E°'��� ��'I'F� •.............. Note: ti �w 4 ®!111ri E��®� this approval does not include well permit requirements. 4 tKev uo/uui u) Municipality of Anchorage P.O. Box 196650 e 4700 Elmore Road Anchorage, Alaska 99519-6650 a (907) 343-7904 0 Fax (907) 343-7997 http://www.muni.org/Onsite Development ices Department On -Site Water and Wastewater Section Waiver#: OSV201037 COSA#: Permit#-. OSP191091 PID#: 015-521-40 Legal Description: T12N RM Section 22 Lot 25 S396' Engineer: Forge Engineering Applicant: Ben & Eleanor Parrish Your request for a waiver of the required 10 feet horizontal separation from the absorption field to the property line has been approved. The approved separation distance is 9.5 feet. See engineer's waiver request for justifications. This waiver approval applies to the existing absorption field only. Any future upgrade to the on- site wastewater disposal system will require all separation distances be met or another approval from this department. ■■vaaaavavaaaaavavaaaaaaaava0MaavaavaaaavaaaaaaaaaaavaaaaaaaaaavaaavaavaavaaaaI Waiver is Granted: X Waiver is not Granted: Date: Zb Zy Approved by: /"Y C r Name of Reviewer .aoama:■■a■aaa■c■vaaava aavaa■ a IN a a a a a a a a a a is a a a v as a a a a as U a v a a■ v a a is a a a v a a a v a a a at PO BOX 240773 ANCHORAGE, AK 99524 522-7773 677-7766 (FAX) July 8, 2020 Municipality of Anchorage Development Services Department On-Site Water and Wastewater Program P.O. Box 196650 Anchorage, AK 99519-6650 Subject: T12N R3W SEC22 L25 S396 - 11135 Our Road Separation Distance Waiver Absorption Trench to Lot Line Dear On Site Services Engineer: The northwest corner of the new absorption trench is 9.5’ from the northern property line. The vast majority of the trench is more than 10’ from the line. A waiver is required to allow the trench to remain in its current location. The percolation rate of the underlying soil is 2 minutes per inch. Effluent absorption is expected to be downward with little or no migration in a horizontal direction. The trench is located more than 100’ from all wells in the area. The trench is also more than 50’ from the septic system on the property to the north. Placement of the system at the location described above will have no adverse impact on the well or septic system on this or adjacent lots. We hereby request a lot line waiver be issued. Sincerely, Michael E. Anderson, P.E. T12N R3W SEC 22, LOT 25 S396' PER IT # OSP191091 PID # 015-521-40 I I i MT1 50' LONG x 5' WIDE x 4' EFFECTIVE Col DEPTH ABSORPTION TRENCH. EXISTING CRIB FILLED & ABANDONED eco IN PLACE PER MOA CODE. O7H1 SV2 OLD TANK REMOVED & CO2MT2 SV DISPOSED OF PER MOA CODE. NEW 1,250 GALLON \ I SEPTIC TANK I 1 I IN la00 ID ALTERNATE SITE' - 00 \ IY m I� co IW W IW IW co IW ry 13: 10 IM I co A B C SV1 - 87.2 86.1 SV2 - 95.2 94.0 2CO - 98.6 96.1 C01 - 126.3 124.5 MTI - 128.9 126.5 CO2 118.1 135.9 - MT2 115.4 133.4 - L GE ENGINEERING 0/1 jl , it B co^o 9� EXISTING WELL 4 -BEDROOM HOME 1 00'WELL RADIUS 11 "09KM1001-01 33' Patent Roadway Reserve Patent 1134664 ----------------- EAST 112TH AVE PLAN AS -BUILT 0 50 100 FEET 1 "=50' CO - CLEANOUT 2CO - DOUBLE CLEANOUT FCO - FOUNDATION CLEANOUT FS - FLOW SPLITTER VALVE MH - MANHOLE MT - MONITORING TUBE SV - SEPTIC VENT TH - TEST HOLE Tl 2N R3W SEC 22, LOT 25 S396' PERMIT # OSP 191091 PID # 015-521-40 O F - U:5 ENGIN EE N I NC 92.9 ORIGINAL/FINISH GRADE � O 2" INSULATION n n DRAINFIELD ROCK 85.8 50' 78.9 NO GROUNDWATER 4/23/19 PROFILE AS -BUILT (NO SCALE) 85.8 :• MICHAEL J. HORNE LS-5318FARPOINT ASBUILT SURVEY OF: SCALE: GRID No: WORK ORDER No. DRAWN: CHECKED: DATE: FB BOOK/PAGE: Jan. 6, 2020 50' MEJD SW2637 147/09 Lot 25, T12N R3W SEC 22, S. 396' Anchorage, AlaskaSERVINGALASKASIN C E1982EXCLUSION NOTES: It is the owners responsibility to determine the existence of any easements, covenants, or restrictions which do not appear on the Plat used for this survey. NOTE: Under no circumstances should any data hereon be used for construction or for the establishing of property lines. SURVEY CERTIFICATION: FARPOINT has conducted a physical survey of the subject property, the improvements situated thereon are within the property lines as shown. Recovered Rebar Septic Vent Well PREPARED FOR: Ben Parrish 11135 Our Road Anchorage, AK 99516 1. Bearings and distances are record per referenced plat unless otherwise noted. 2. Sufficient boundary evidence was recovered to establish the subject parcel on the ground. Not all controlling evidence is shown hereon. ZONING: R6 MUNICIPALITY OF ANCHORAGE ,,,enc \,, On-Site Water& Wastewater Program \° .' / aftse PO Box 196650 4700 Elmore Road • Anchorage,Alaska 99519-6650 Phone:(907)343-7904 Fax:(907)343-7997 yz { v http://www.muni.orgionsite .�- Department QNcHoppGE On-Site Wastewater Disposal System Permit Permit Number: OSP191091 Effective Date: 4/15/2019 Work Type: Septic Upgrade Expiration Date: 4/14/2020 Tax Code Number: 01552140000 • Site Legal Address: T12N R3W SEC 22 LT 25 S396' G:2637 Site Mailing Address: 11135 OUR RD, Anchorage Owner: PARRISH BEN F & ELEANOR Lot Size in Sq Ft: 130482 Design Engineer: FORGE ENGINEERING Total Bedrooms: 4 This permit is for the construction of: Disposal Field Q Septic Tank 0 Holding Tank 0 Privy 0 Private Well 0 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 Special Provisions: **The Engineer is required to do an additional percolation test for the alternate site prior to construction of the septic field. Please submit stamped and signed results with the As-built Inspection Report. If the results require a design change, construction of the system will stop pending On-Site review and approval. 5/019 co ! /Edd S i e1G1 .vert:'r . f� ) Date:Received B : (II(Miei)1'/L / 7 Y ,, Issued By: /A i� Date: 5-//001 Epaivs MUNICIPALITY OF A NCHORAGERose/.-....._ • r11_ � Community Development Department Phone: 907-343-7904 Development Services Division Fax: 907-343-7997 On-Site Water & Wastewater Program ON-SITE SEWER/WELL PERMIT APPLICATION Parcel I.D. 015-521-40 Property owner(s) Ben & Eleanor Parrish 306-2768 Day phone Mailing address 11135 Our Rd, Anchorage, AK 99516 Site address 11135 Our Rd Legal description (Sub'd., Block & Lot) T12N R3W SEC22 Lot 25 S 396' Legal description (Township, Range & Section) Lot Size 130,482 Sq. Ft. Number of Bedrooms 4 APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING: (®all that apply) Absorption Field Ej LO #\ Initial 1 1 Single Family (SF) ❑X Septic Tank ❑X U (w/wo ADU) pgrade IXI Duplex (D) Holding Tank ❑ Renewal n Multiple Dwellings ❑ Privy (SF and/or D) Private Well Li Water Storage THIS APPLICATION INCLUDES A VARIANCE /WAIVER REQUEST FOR: Distance: I certify that the above information is correct. I further certify that this is in accordance with applicable Municipal Codes. Y"31----i (Signature of property owner or authorized agent) Permit/Rush Fees: c9Z- 370 Waiver Fees: Date of Payment: L q / 5N cIDate of Payment: Receipt Number: dub / D 063' Qceipt Number: Permit No. (10,01e IV / Waiver No. Permit App__-:• :;.,c PO BOX 2411773 ♦omw ANCHORAGE.AX 114224 r GE 577-7771 677-7766(FAX) • ENGINEER ! NG FORGECIVIL.COM May 9, 2019 MOA Development Services, On-Site Water& Wastewater Program 4700 Elmore Rd Anchorage, AK 99507 Subject: T12N R3W SEC22 L25 S396 - 11135 Our Rd Septic System Design Dear On-Site Services Engineer: The existing septic system on the above lot has failed and must be replaced. The existing home has 4-bedrooms. We are submitting this permit application for the placement of a new septic tank and absorption trench. The attached site plan identifies the location of the existing home, well and septic system and the location of the proposed septic tank and absorption trench. The drainage pattern in general will not be changed by the construction. The existing septic tank will be decommissioned in accordance with MOA code. The abandoned absorption crib on the lot will be pumped dry, collapsed and backfilled. The ground surface on the lot in the area of the absorption trench slopes as shown on the Site Plan.. Stormwater drainage will not impact this septic system. The new trench will be constructed parallel to the slope as much as possible. Wells on this and adjacent lots are shown. The new system will be a minimum of 100' from all wells and surface water, and more than 5' away from the septic tank. Please refer to the attached test hole log and plan and profile sheets for the septic design. If this design is followed,there will be no adverse impacts to adjacent properties. Sincerely. -144"--.-Lit 04"--c9-----1 .� q �a• Michael E. Anderson, P.E. �E, ,,hC,�s•• d 49thi�. ..` ••i • 11. MICHAEL E. ANDERSON j •• •. N0. CE-4381 :•��i N'<ep"%.,, 5-9-19 N•.••'c •, T12N R3W SEC 22, LOT 25 S396' — I50'LONG x 5'WIDE x 4' COLLAPSE,BACKFILL AND :S. EFFECTIVE DEPTH Co ABANDON EXISTING SEPTIC ABSORPTION TRENCH N ` ABSORPTION PIT. 2DECOMMISSION EXISTING � Mi CO.� SEPTIC TANK PER MOA CODE. CO 2C• — — — _ •444 / 1 \ 1,250 GALLON/ S Ci- \N \ c\I SEPTIC TANK \ a / oy \ I 1 ots ALTERNATE SITE \ CO / III 64z, III. \ VcD / 1 I / w I I*Ili 1 // > 1 I / ))) 1\ EXISTING WELL / L // (Y \ 4-BEDROOM HOME // I 0 0 \ / / Iy fY \ / 1Y cc) \ / 0 N7 - - - - - LOT 25 S396' 33' Patent RoadwayReserve Patent 1134664 _J L - GE EAST 112TH AVE [Na1N[t RING NOTE: .••'�OF qNI_ NO SLOPES>25%WITHIN 50'OR SURFACE WATER WITHIN 100'OF THE LEGEND ••-7E. „.......Cq e• PROPOSED SEPTIC SYSTEM 4!, \);.••••" ••••. • CO-CLEANOUT !,1 -% 2C0-DOUBLE CLEANOUT '•>}♦ ALL WELLS ON SURROUNDING LOTS WITH IMPACTS TO THIS JL 49th ,,,♦ FCO-FOUNDATION CLEANOUT NIA, •"•• • PROPERTY ARE SHOWN.NO CONFLICTS WITH WELLS OR SEPTIC •7 _.i,r. ��• FS-FLOW SPLITTER VALVE ♦ --- r. .• SYSTEMS. ♦ MICHAEL E. ANDERSON •• = MH-MANHOLE ♦♦•-�J t No. CE-4381r' � 0 50 100 MT-MONITORING TUBE ♦i fc�''..,• 5/9/19 r••' I♦ OM MI FEET ♦6 4*�ROF;S;� ::? 1"=50' TH-TESTI HOLE VENT T12N R3W SECTION 22 LOT 25 S396' DESIGN FACTORS: SYSTEM REQUIREMENTS: 600 GPD PEAK FLOW 5' WIDE TRENCH SYSTEM PERK RATE: 1-5 MIN/IN 1,250-GAL SEPTIC TANK APPLICATION RATE: 1.2 GPD/SF 600 GPD/ 1.2 GPD/SF/5' WIDE *.5 RED. FACTOR = 50 LF TRENCH REQUIRED 50 LF SPECIFIED) BOTTOM OF TRENCH: 7.5' BELOW GRADE FLOW LINE ELEVATION: 3.5' BELOW GRADE TOP OF TRENCH: .5'ABOVE GRADE 6" IIII1 X11 q�I��Io�u�n�u�i 3' ��11�11 1�11 �.0I loll 11* 0 *11*1 6" ''=`•'=•'='='='='= ='= 4" PERFORATED PVC (HOLES DOWN) DRAINFIELD ROCK 4' .:.:.:.:.:.:.:.:.:.:.:.:.:.:.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5' I' 's.�ENGIN GE EERING TYPICAL TRENCH SECTION .•••��••�� .••�E OFq(�+i• (NO SCALE) r�K ..' •...i.4q�, .�.. NOTES: a�•_49th •= 0, 1. GRADE AREA OVER TRENCH TO DRAIN AWAY 2. PROVIDE 3' OF COVER OVER TRENCHES AND 4' OVER SEPTIC TANK, OR 2' `,,rMICHAEL E. ANDERSON t• WITH 2" OF INSULATION �v.v.s No. CE-4381 ,.�_: 3. CHECK GROUNDWATER AT TIME OF CONSTRUCTION. IF LEVEL IS HIGHER jFp'•• 516119 +,;F '•+ THAN PREVIOUSLY OBSERVED, CALL ENGINEER IMMEDIATELY ��h. r;;S;; :••• illiii?GE 11,, tztlartz SOILS LOG AND PERCOLATION TEST . •` 49th ,` `' -♦. ENGINEERING /1.s iAt ; MICHAEL E. ANDERSON J ,c .: N o. CE-4381 _- ♦ l ". k, • LEGAL DESCRIPTION: T 12N R3W SECTION 22 LOT 25 ♦v,,pe6;.....---0 .*• PERFORMED FOR: JOHN PARR ISH v., il e6 W. DATE: 4/15/19 PROJECT No.: PARCEL ID#: TECHNICIAN: J. WILLIAMS Professional Engineers Stamp: DEPTH TEST HOLE 1 (feet) 1 1' OG/OL SLOPE SITE PLAN 2 � f 4 • . 5 , f' ., ; SEE S'TE P.AN 6 . • a._ 7 ' • • • : SANDY SILTY GRAVEL 8 ••• ••ti:• '. ` GM E 9 WAS GROUND WATER ENCOUNTERED? NO 1I.t. IF YES 1 WHAT DEPTH? - S ' DEPTH OF WATER AFTER MONITORING NONE 11 .‘:.;1:... DATE OF MONITORING L/23/'9 E 12 , :.•• : - GROSS TIME NET TIME DEPTH TO NET DROP 13 DATE READING (MINUTES) (MINUTES) NCHES (INCHES) 14 . ' ` 4/17 TEST HOLE PRESOAKED PRIOR TO TESTING: 15 1 11:32/11:42 10 0/5 5 2 11:53/12:03 10 0/5 5 16 3 12:06/12:16 10 0/5 5 17 4 12:17/12:27 10 0/5-1/16 5-1/16 18 5 12:28/12:38 10 0/5 5 19 6 12:39/12:49 10 0/5 5 20 PERCOLATION RATE: 2 (MIN/INCH) PERC. HOLE DIA. 6 (INCHES) TEST RUN BETWEEN: 3 FT. and 4 FT. COMMENTS: Depth measurements taken to 1/16". MICHAEL J. HORNE LS-5318FARPOINT ASBUILT SURVEY OF: SCALE: GRID No: WORK ORDER No. DRAWN: CHECKED: DATE: FB BOOK/PAGE: April 22, 2019 50' MEJD SW2637 147/09 Lot 25, T12N R3W SEC 22 S396', Anchorage, AlaskaSERVINGALASKASIN C E1982EXCLUSION NOTES: It is the owners responsibility to determine the existence of any easements, covenants, or restrictions which do not appear on the Plat used for this survey. NOTE: Under no circumstances should any data hereon be used for construction or for the establishing of property lines. SURVEY CERTIFICATION: FARPOINT has conducted a physical survey of the subject property, the improvements situated thereon are within the property lines as shown. Recovered Rebar Septic Vent Well PREPARED FOR: Ben Parrish 11135 Our Road Anchorage, AK 99516 1. Bearings and distances are record per referenced plat unless otherwise noted. 2. Sufficient boundary evidence was recovered to establish the subject parcel on the ground. Not all controlling evidence is shown hereon. ZONING: R6