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HomeMy WebLinkAboutHILLSIDE NORTH #7 BLK 2 LT 6Hillside North Block 2 Lot 6 #041-021-74 SuBM11--f-41 Municipality of Anchorage AUG 1') Community Development Department Pagel of On -Site Water and Wastewater Program 4700 Elmore St. • P.O. Box 196650 Anchorage, AK 99519-6650 • http://www.muni.org/onsite • (907) 343-7904 ON-SITE WASTEWATER INSPECTION REPORT Permit Number: PID Number: Ot-I ( - 02f — 74 [?-'New ❑ Upgrade Name: (� O1P ✓✓1 'Parr S ABSORPTION FIELD [Deep Trench ❑ Shallow Trench ❑ Bed ❑ Mound Address ❑ Other Phone Number of Bedrooms Soil Rating' n Total depth from original grade r L� GPD/SF 149 Ft. LEGAL DESCRIPTION Depth to pipe invert from original grade ��j�J* �. grade FL Gravel depth beneath pipe Ft. SubdivisionBlock Lot � Fill added above original grade Gravel length � 9 f'i'VI dq%i � Township Range Section 1•D Ft. �-IS- FL Gravel width 210 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 S_oLf Fe l Ft. Well /vO rL No f t N4 ,rp'� TANK VSeptic ❑ S.T.E.P. ❑ Holding ❑ Other Manufacturer ,t Capacity /1� N � T I1? j4- 1 0 Gal. Surface Water / ap rF. h0i Material 5'1 -TG ( Number of compartments 2� Lot Line ZO ��.. Z 1% NA Foundation LIFT STATION Manufacturer Capacity Curtain Drain (A Vt kV C&9 vi Gal. Remarks Pump on level at Pump off level in. High water alarm at in. Pump make a odat Electrical Inspections performed by Installer = <SD� �� PIPE MATERIAL House to tank 3Tankto 0)r{ dranfield )#'fq • �g -c /`� < Drainfield y( it CO/MT 3 3 06/ Inspector p� C Ar, 4 ery P. o BENCHMARK (Assumed elevation) /CO ft Inspection r dates: 1 q '3li /! 2"d 3 D Location and description �Q �e 3" 4'" qra q r✓ $ COMMUNITY DEVELOPMENT DEPARTMENT APPROVAL e Q 1 i �Q•'�+� Conditional Approval: Date ••��r�l i 40TH,*S •Of ................. 0 MICHAEL N. ANDERSON c 04 CE 94 9 Approved Date Permit No. SW080021 Page 2 of 2 Municipality of Anchorage DEPARTMENT OF HEALTH AND HUMAN SERVICES ENVIRONMENTAL SERVICES DIVISION P.O. Box 196650 Anchorage, Alaska 99 51 9-6650 Telephone: 343-4744 On—Site Wastewater Disposal System and/or Well Inspection Report Legal Description: HILLSIDE NORTH ADD #7, BLK 2 LOT 6 PID No.: 041-021-74 MARK A B GRND. ELEV. PIPE ELEV. FCO 28 23 99.6 93 col fio ss s7 s2.1 TC01 78 66 s7 TCO2 75 74 97 b6�-- 74 s7 s1.a CO3 73 77 97 91.8 C04 11 133 96 90.6 MT 97 109 96 9 90.6 / 100' NEW WELL RADIUS 99 96 1 1 1 BENCH LOWER GARAGE SLAB EW HOUSE FCO c01 0 \ C01 TCO2 0 CO2 CO3 - C06 \\ I/ MT I I \\ I C04 -- ASBUILT SCALE: "-40' Rco cm X01 Tcoz MT 9 ICINAL .��� OF /� too 4 FR1FA FPBIIM 1� DRC • • N II ■ �`r 49TH V 00 1250 DALLDN STEEL TANK B5 " 3�.I•••••n..w / .10 iDM ......................... • MICHAEL N. ANDERSON: i N0. 9 69 •'• a 79, BONSEnC SECTIO q'Z'• • 04/22/2008 14:31 6882259 SULLIVAN PAGE 02/03 Certitteb -Ordfing log by DOG CO. ube SULLIVAN WATER WELLS P.O. BOX 670272, CHUGIAK, ALASKA 99567 -TELEPHONE 668-2758 OWNER OF LAND: A±w) irrt IV4,s LEGAL DESCRIPTION: &z4S,,t4F 11) 0-K%W .., * 1',_ PERMIT NUMBER: dffotloli Date oflssuel--a- 44 TAX IDENTIFICATION NUMBER: O JI - 0,21 - `7 4 Is well located at irroapproved, permit location? s O No Method of Drilling: "ttary 0 cable tool Depth of well:.4faT% Casing Type d t- Wall Thickness m"xza inches rr Diameter- inches, depth _feet Liner Type: 40.6 sJ4 Casing Stickup Above Ground: a' feet Recover Rate: gpm Method of Testing: Well Intake Opening Type: Grout Type: 41,T214 Ac 1-4, Depth: from Q-- - feet, to41 a _ feet Well Disinfected Upon Completion? Method of Disinfection: ' JAW C:4J^,otS6 S: o -ax J A 0 eJA-e-A? )469hJ Driller's Name <, , OCE X.J,tom'-' ATTENTION: It is the responsibility of the property owner to submit a copy of the well log to the proper authority. Municipality of Anchorage: Department of Health & Human Services and/or Department of Environmental Conservation. MatSu Borough: Department of Environmental Conservation. SGS Ref.# 1123657001 Client Name Superior Plumbing & Heating, Inc. Project Name/# 10000 Middlerock Rd Client Sample ID Kitchen Sink Matrix Drinking Water Printed Date/Time Collected Date/Time Received Dateffime Technical Director 08/17/2012 14:51 08/13/2012 7:30 08/13/2012 9:00 Stephen C. Ede Sample Remarks: 450ONO3-F - Total Nitrate/Nitrite - MS recovery is outside of QC criteria (biased low). Refer to the LCS for accuracy. Allowable Prep Analysis Parameter Results LOQ Units Method Container ID Limits Date Date lnit Metals by ICP/M3 Arsenic ND 5.00 - ug/L EP200.8 B (<10) 08/14/12 08/14/12 NRB Waters Department Total Nitrate/Nitrite-N 0.287 0.100 mg/L SM21 450ONO3-F C (<10) 08/14/12 CMA Microbiology Laboratory E. Coli Negative 1 100tnL SM21 9223B A 08/13/12 DLC Total Coliform Negative l 100mL SM21 9223B A 08/13/12 DLC Serviczz QEQartl n, entl a- ullCiinq Sa-Fety �Msian Program, 4-1700 9rascw Srszr F7 vtark aegjCn 19 -6 C' 5 0 Mayor (907) 241-7904 Pump Installation Log Well Drillin<=7 Permit Number- SW parcel Identification Number: Date of Issue: Attention: T_`se pump installer shall provide a -,3=-p in5tziladoz log to the DSD within 30 days of pump installation_ MUNICIPALITY OF ANCHORAGE Development Services Department On -Site Water & Wastewater Program 4700 South Bragaw Street P.O. Box 196650, Anchorage, AK 99519-6650 (907) 343-7904 ON-SITE WASTEWATER DISPOSAL SYSTEM / WATER SUPPLY PERMIT Initial Permit Number: SW080021 Legal Description: HILLSIDE NORTH #7 BLOCK 2 LOT 6 Date Issued: Mar 27, 2008 Expiration Date: Mar 27, 2009 Parcel ID: 041-021-74 Design Engineer: 0060 DHI ENGINEERING Site Address: NHN MIDDLEROCK ROAD Owner Name: DANIEL & PATTI PARIS Lot Size: 223463 SO. FT. Owner Address: 2036 EASTRIDGE DRIVE Total Bedrooms: 4 Permit Bedrooms: 4 ANCHORAGE. AK 99501-5720 This permit is for the construction of: Disposal Field Q Septic Tank ❑ Holding Tank ❑ Privy Private Well ❑ Water Storage All construction must be in accordance with: 1. The attached approved design. 2. All requirements specified in Anchorage Municipal Code Chapters 15.55 and 15.65 and the State of Alaska Wastewater Disposal Regulations (18AAC72 ) and Drinking Water Regulations (18AAC80 ). 3, The engineer must notify DSD at least 2 hours prior to each inspection. Provide notification by calling (907) 343-7904 ( 24 hours ). ( Not required for a Water Supply Permit only). 4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather must be either: A. Open and closed on the same day. B. Covered, sealed, and heated to prevent freezing. Received By: Date: �? 00 Municipality of Anchorage • -� Development Services Department Building Safety Division On -Site Water and Wastewater Program ` 4700 Bragaw Street P.O. Box 196650 Anchorage, Alaska 995196650 www.muni.org/onsite (907)343-7904 ON-SITE SEWER/WELL PERMIT APPLICATION FOR A SINGLE FAMILY DWELLING Parcel I.D. 041-021-74 Propertyowner(s) Daniel d Patti Paris Absorption Field In Day phone 646-2986 Mailing address2036 Eastridge Dr. Anch AK Zip Code 99501-5720 SiteaddressiNd MJANEPOGO �n %h- Zi Code P Legal description (Sub'd., Block& Lot) Hillside North Subd. #7 Blk 2 Lot 6 Legal description (Township, Range & Section) T12N, R2W, S.M. Alaska Lot Size 223.4 63 Sq. Ft. Number of Bedrooms 4 THIS APPLICATION IS FOR (® all that apply): THIS APPLICATION IS AN: Absorption Field In Initial Septic Tank ® Upgrade ❑ Holding Tank ❑ Renewal ❑ Privy ❑ Private Well Water Storage ❑ I certify that the above information is correct. I further certify that this application is being made for a Single Family Dwelling and is in accordance with applicable Municipal Codes. (Signature of property owner or authorized agent) Permit/Rush Fees:p (oU �y1D 0 �-t _1) Waiver Fees: _ Date of Payment: 31-116 Date of Payment: Receipt Number. 105 8 5t,9 Receipt Number. (Rev. 11105) Permit No. Municipality of Anchorage Page 1 of 6 Development Services Department W.O. 07775 BUILDING SAFETY DIVISION Date 2/22/08 P.O. Boz 196650 *Anchorage, AK 99519-6650• Tel: 343-7904 Proposed Well & On—Site Wastewater Disposal System Legal Description: LOT 6, BLOCK 2, HILLSIDE NORTH SUBD. #7 PID No. 041-021-74 SITE NARRATIVE LOT 6, BLOCK 2, HILLSIDE NORTH SUBDIVISION #7 (THE SUBJECT LOT) IS 5.13 ACRES AND IS BORDERED BY SIX LOTS. THREE LOTS (SEE SHEET 3) ARE DEVELOPED. THESE ARE LOTS 1B & 2 OF NEARPOINT SUBDIVISION AND TRACT C OF H.S.N. #7. THESE EXISTING SYSTEMS ARE LOCATED NORTH OF THE SUBJECT LOT AND THEY HAVE NO IMPACT ON THIS DEVELOPMENT. THE TWO LOTS TO THE WEST (LOT 4 AND 5, BLOCK 2) ARE 2.33 ACRES & 1.87 ACRES RESPECTIVELY; AND ARE NOT DEVELOPED. HOWEVER, LOT 4 DOES HAVE A PERMIT ISSUED, BUT AGAIN, THE PERMITTED AND THE PROPOSED SYSTEMS HAVE NO IMPACT ON EACH OTHER. THE SIXTH LOT TO THE SOUTH (LOT 1, BLOCK 4) IS 2.11 ACRES AND SEPARATED BY THE 60' MIDDLE ROCK ROAD RIGHT—OF—WAY. AGAIN, THE PROPOSED SYSTEMS HAVE NO IMPACT ON EACH OTHER. WELLS: THERE ARE NO EXISTING WELLS ON THE LOT. WATER WILL BE PROVIDED BY A PRIVATE WELL TO BE LOCATED NEAR THE CENTER OF THE PROPERTY. THE PROTECTIVE WELL RADIUS FALLS ENTIRELY ON THE SUBJECT LOT AND WILL NOT IMPACT ON ANY ADJACENT LOTS. SEE SHEET 3. SEPTIC SYSTEMS: THE UNDEVELOPED LOTS ON THE WEST SIDE OF THE SUBJECT LOT WILL EVENTUALLY HAVE ON—SITE SEPTIC SYSTEMS. DUE TO THE LARGE SIZE OF THESE LOTS, SEPTIC SYSTEMS CAN BE PLACED IN A MANNER AS TO NOT IMPOSE ANY RESTRICTIONS ON LOT 6. THE PROPOSED SEPTIC SYSTEM FOR THE SUBJECT LOT IS DESIGNED FOR A FOUR BEDROOM, SINGLE FAMILY HOME; AND IS LOCATED WELL WITHIN THE PROPERTY BOUNDARY AND WILL NOT IMPACT ANY PORTION OF THE ADJACENT LOTS. DRAINAGE: THE LOT CAN BE GRADED TO PREVENT ANY PONDING OF WATER AROUND THE PROPOSED SEPTIC SYSTEM. THERE ARE NO CUT BANKS, STREAMS OR DRAINAGE CHANNELS (OTHER THAN ALONG THE EXISTING STREETS) ON THE LOT. ALL DISTURBED AREAS WILL RECEIVE TOP SOIL AND SEEDING TO PREVENT SOIL EROSION. Permit No. Municipality of Anchorage Page 2 of , 6 Development Services Department W.O. 07775 BUILDING SAFETY DIVISION Date 2/22/08 P.O. Boz 196650 • Anchorage, AK 99519-6650• Tel: 343-7904 Proposed Well & On—Site Wastewater Disposal System Legal Description: LOT 6, BLOCK 2, HILLSIDE NORTH SUBD. #7 PID No. 041-021-74 SYSTEM DESIGN CALCULATIONS 1. NO. BEDROOMS = 4 2. USE TRENCH SYSTEM 3. ABSORBTION AREA = (# BEDROOMS)(150 GPD/BR) TRENCH APPLICATION RATE _ (4)(150) = 500 SF 1.2' 4. TRENCH LENGTH= ABSORPTION AREA/(2 X DEPTH OF GRAVEL) IF DEPTH OF GRAVEL = 5' THEN LENGTH OF TRENCH = 50.0' PERCOLATION RATE PIT & TRENCH APPLICATION RATE MIN/INCH CPD/SF 0-1 NOT SUITABLE 1-5 1.2 6-15 0.8 16-30 0.6 31-60 0.45 GREATER THAN 60 NOT SUITABLE FILTER LAYER 1.0 MOUND & BED APPLICATION RATE GPD/SF NOT SUITABLE 0.8 0.5 0.4 0.3 NOT SUITABLE .7 iii R Permit No. Municipality of Anchorage Page 3 of 6 Development Services Department W.O. 07775 BUILDING SAFETY DIVISION Date 2/22/08 P.O. Boz 196650 • Anchorage, AK 99519-6650• Tel: 343-7904 Proposed Well & On—Site Wastewater Disposal System Legal Description: LOT 6, BLOCK 2, HILLSIDE NORTH SUED. #7 PID No. 041-021-74 SEPTIC LOT 1e 1 �I SEPTIC LOT 2 --t.OT6-NOISILamE �6 BLOCK 2 S €'^ LOT S NOTE: SEE SHEET 4 FOR ENLARGED PLAN. N SCALE: 1 200' t4l: OF At Fill __DENNIDEE!.' j � s •.• C 58 �: Ar �3ofess��.• DATE ,••••���3-t4o� Permit No. Municipality of Anchorage Page 4 of 6 Development Services Department W.O. 07775 BUILDING SAFETY DIVISION Data 2/22/08 P.O. Boz 196650 • Anchorage, AK 99519-6650 • Tel: 343-7904 Proposed Well & On—Site Wastewater Disposal System Legal Description: LOT 6, BLOCK 2, HILLSIDE NORTH SUBD. #7 PID No. 041-021-74 LOT 6 wn . � h� 22.9 LF 4- PVC 123 5 O 2.782 NV . 1.250 GAL TWO .0. COMPARTMENT -- STEEL SEPTIC TANK N CALE: 1' = 50' S INSTALL (21 OPPOSING C.O.32 .0 LF. LATION u h 4' WIDE xIN4 THICKO 2 CENTER UNDER DRIVEWAY SEE NOTE 18, SHEET 6 62.0 LF 4' PVC LEGEND C.O O 7.20% / , 8 0 50.0 LF (PERF) 4- PVC O 0.0% °M'T' MONITORING TUBE � T.H. 5 19'04' E 1 CLEAN OUT C.O. WELL 1228.0 �NV 0 TEST HOLE RESERVE AREA---``­' T.H. +� PERFORATED PIPE M.T. Permit No. _ page .:5 of 6 Municipality of Anchorage Development Services Department W 07775 BUILDING SAFETY DIVISION Date 2/22/08 P.O. Boz 196650 • Anchorage, AK 99519-6650 • Tel: 343-7904 Proposed Well & On—Site Wastewater Disposal System Legal Description: LOT 6, BLOCK 2, HILLSIDE NORTH SUBD. #7 PID No. 041-021-74 T.H. LOT 6 ORIGINAL GROUND 6' ORGANICS 1 12* REDDISH ORGANIC SILTS 2 3 4 5 6 7 e SLIGHTLY SILTY SANDY GRAVEL 9 OCCASIONAL ROCK TO 12-/NFS 10 11 12 13 14 15 16 TRENCH SCALE: NTS SECTION HIGH WATER LEVEL TO BEDROCK OR IMPERMEABLE LAYER AIR TIGHT CAP 27. ,�- 4' MONITORING TUBE BACKFILL GEOTEXTILE FABRIC 4' PERFORATED DISTRIBUTION PIPE ROCK PER SPECIFICATIONS PERFORATE ONLY THAT PORTION OF THE MONITORING TUBE BELOW THE DISTRIBUTION PIPE. Permit No. S'' Page 1 of 1 07775 Municipality of Anchorage W.U. ON—SITE SERVICES Date 9/23/06 DEPARTMENT OF DEVELOPMENTAL SERVICES P.O. Boz 196650 • Anchorage, AK 99519-6650• Tel: 343-4744 On—Site Wastewater Disposal System/Well Inspection Report Legal Description: LOT 6. BLOCK 2, HILLSIDE NORTH SUBD. #7 PID No.041-021-74 T.H. LOT 3 .M 6' ORGANICS 1nn 12' REDDISH ORGANIC SILTS 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 I SLIGHTLY SILTY SANDY GRAVEL ,�. OCCASIONAL ROCK TO 12% F-1/NFS / '/ I SLOPE SITE PLAN SEE SHEET 5 OF WAS GROUND WATER S ENCOUNTERED 4 NO L IF YES, AT WHAT 0 P DEPTH OF WATER E AFTER MONITORING Y NONE DATE: 10/6/06 DEPTH 4 9/13/07 PERCOLATION RATE: -1.58 (MINUTES/INCH.) PERCHOLE DIAME TEST RUN BETWEEN: 4.0 FT, AND 4.5 FT DRAINED OUT PERFORMED BY: DEE HIGH CERTIFY THAT THIS TEST WAS I IN ACCOURDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: J/26/08 wa.. nwn w r fl n ©��■csaovii::a PERCOLATION RATE: -1.58 (MINUTES/INCH.) PERCHOLE DIAME TEST RUN BETWEEN: 4.0 FT, AND 4.5 FT DRAINED OUT PERFORMED BY: DEE HIGH CERTIFY THAT THIS TEST WAS I IN ACCOURDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE. DATE: J/26/08 wa.. nwn w r fl n Permit No. ' DHI CONSULTING ENGINEERS Page 6 of 6 LOT 6, BLOCK 2 Legal Description: .HILLSIDE NORTH SUBD. #7 W.O. 07775 NOTES: Date 2/22/0 1 ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CHAPTER 15.65. WASTEWATER DISPOSAL REGULATIONS OF THE MUNICIPAL CODE, AND MOA STANDARD SPECIFICATIONS FOR STREETS, DRAINAGE, UTILITIES AND PARKS (MASS) 1994 AS CURRENTLY AMENDED, AND ALL APPLICABLE STATE AND FEDERAL REGULATIONS. 2 INSTALL NEW 1250 GAL., 2 COMPARTMENT, STEEL SEPTIC TANK AS SHOWN ON THE DRAWINGS. 3 EXISTING STRUCTURES, WELLS, SEPTIC SYSTEMS OBSERVED WITHIN 200 FT. OF THE PROPOSED SYSTEM ARE SHOWN ON DESIGN DRAWINGS. 4 ANY DEVIATION FROM THE DESIGN MUST BE AUTHORIZED BY THE ENGINEER AND THE M.O.A. PRIOR TO ITS INCORPORATION INTO THE SYSTEM. 5 CONTRACTOR TO LOCATE ALL UNDERGROUND UTILITIES, PROPERTY LINES, EXISTING WELLS, WATERWAYS, SURFACE AND SUBSURFACE DRAINAGE FACILITIES, LAKES, PONDS, AND OTHER FACILITIES REQUIRING SEPARATION DISTANCES FROM THE PROPOSED SEPTIC SYSTEM. 6 CONTRACTOR TO STAKE PROPOSED SYSTEM & NOTIFY THE ENGINEER OF ANY OBSERVED CONFLICTS PRIOR TO CONSTRUCTION. STAKE LOCATION OF EACH TRENCH END. NOTE DEPTH OF CUT ON LATH. CONTRACTOR SHALL HAVE SURVEY LEVEL AND ROD SET UP ON SITE DURING CONSTRUCTION. 7 CONTRACTOR TO NOTIFY THE ENGINEER AND ON-SITE SERVICES 24 HOURS PRIOR TO COMMENCING WITH CONSTRUCTION. A MINIMUM OF THREE SITE VISITS ARE REQUIRED. THE FIRST VISIT SHALL BE OF THE SUBGRADE PRIOR TO PLACING THE SEWER ROCK. THE SECOND VISIT SHALL BE AFTER THE PLACEMENT OF SEWER ROCK, DISTRIBUTION PIPING, STANDPIPES, AND OTHER COMPONENTS AS SPECIFIED. THE THIRD VISIT SHALL BE AFTER THE WORK IS COMPLETED. 8 CONTRACTOR SHALL DELIVER TO THE ENGINEER A SET OF RED -LINED. AS -BUILT DRAWINGS SHOWING ALL DATA AS SPECIFIED IN SEC. 15.65.F.2, 3, 4, 5, 6 OF MUNICIPAL WASTEWATER DISPOSAL CODE WITHIN FIVE DAYS OF THE FINAL VISIT. INVERTS AND SWING TIE LOCATES SHALL BE TO THE NEAREST TENTH OF A FOOT. THESE AS-BUILTS SHALL BE USED BY THE ENGINEER TO PREPARE AND SUBMIT RECORD DRAWINGS TO ON-SITE SERVICES. 9 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. 10 BOTTOM OF TRENCH EXCAVATION SHALL BE LEVEL SIDEWALLS SHALL BE SCARIFIED. RECORD ELEVATIONS AT BEGINNING, MIDDLE, AND END OF TRENCH BOTTOM. 11 PLACE THE SEWER ROCK TO THE SPECIFIED DEPTHS. DO NOT CONTAMINATE SEWER ROCK. LEVEL ROCK SURFACE TO t 0.1' PRIOR TO INSTALLING THE PERFORATED PIPE. 12 ALL PIPE SHALL BE PVC CONFORMING TO ASTM D3034. ALL JOINTS SHALL BE SEALED WITH APPROVED CLUE. CLEANOUTS SHALL BE INSTALLED AT THE END(S) OF THE TRENCH(S). 4- MONITORING TUBE(S) SHALL BE INSTALLED AT THE END OF EACH TRENCH, WHERE SHOWN ON PLANS. 13 COVER THE DISTRIBUTION PIPE WITH MIN 2' SEWER ROCK, BEFORE PLACING INSULATION AND/OR GEOTEXTILE, FILL, AND TOPSOIL 14 MINIMUM SOIL COVER SHALL BE 3 FEET OVER THE PIPE AND 4 FEET OVER THE SEPTIC TANK. ONE INCH OF INSULATION MAY BE SUBSTITUTED FOR 1 FOOT OF SOIL COVER, BUT THERE MUST BE A MINIMUM OF 2' OF SOIL COVER OVER THE INSULATION. ALL INSULATION BOARD SHALL BE 2' THICK POLYSTYRENE, DOW HI -35 OR ENGINEER -APPROVED EQUAL CENTER BOARD WIDTH OVER PIPE. 15 AN APPROVED GEOTEXTILE FABRIC SHALL BE INSTALLED BETWEEN THE SEWER ROCK AND THE BACKFILL 16 MATERIAL USED AS FILL SHALL BE CLEAN AND FREE OF ORGANICS, TRASH AND CONSTRUCTION DEBRIS. 17 SLOPE ALL FILL MATERIAL AND TOPSOIL TO DRAIN AT 2% MIN. SLOPE, AND IN SUCH A MANNER THAT PONDING AT OR NEAR THE DRAIN FIELD DOES NOT OCCUR. THE FILL SHALL BE LEFT 6' HIGHER THAN SHOWN TO ALLOW FOR SETTLEMENT. THE TOP 4' OF COVER SHALL BE TOPSOIL SEED SURFACE AFTER COMPLETING INSTALLATION AS PER MUNICIPAL SPECS. 18 MINIMUM DEPTH OF COVER OF PIPE THRU ROAD AREA SHALL BE 3 FEET.