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HomeMy WebLinkAboutPARK HILLS RIDGE LT 2 Municipality of Anchorage DEPARTMENT OF HEALTH AND HUMAN SERVICES · ENVIRONMENTAL SERVICES DIVISION · P.O. Box 196650 · Anch6rage, Alaska 99519-6650 · Telephone: 343-4744 On-Site Wastewater Disposal System and/or Well Inspection Report Permit Number:. .m~q~n~l ~ PID Number:. 01 7-113-04 Name: Richard & Christi Niemann WastewaterSyst~m: ~"New ID Upgrade Addre~e: 7015 Henderson Loop ABSORPTION FIE! n Phone: 34 ~)- 24'51 I No. ef B~.~.~,.,,- J~J J~ael3 Tren~l I'/Shallow Trench ~ [] Mound [] Other 2 Park Hil~u~l'''i~pn' DeP~ ~ p~e ~ff~m h~m a~g~ g~ Grava depm b~neam pipb TownsiIIp: I .a~ge: i Sectlon: Fill adde¢l ~ginal grade: Grovel ,l~gt~: WELL: I~! New I-t Upgrade o~tv, i~: Number of Ilnee: Yield: :2 emi :4: ~1 2 - ~ TANK SEPARATION DISTANCES ~t,= a Holding ~ S.T. EP. Su~ Cu~n Rereads: BENCH MARK qa:aqe s~ab ~es above ~he ~og o~ ~he ~o~e: absorption bed. 2" Insulation over J ~um~llon: septic tank. . · ~ ...... : ...... ~..~ ln:p~tions peflormed by: ~// Dates: Ist Depa~ment of Health and Human 3e~mes approvm ~t~'-. '.--:~,~ Reviewed and approved by: II ~~ ~ ~ Date: MunicipaJity of Anchorage DEPARTMENT OF HEALTH AND HUMAN SERVICES · ENVIRONMENTAL SERVICES DIVISION P.O. Box 196650 · Anchorage, Alaska 99519-6650 · Telephone: 343-4744 On-Site Wastewater Disposal System and/or Well Inspection Report Lot 2, Park Hills Ridge Subd. Legal Description: PID No.: 01 7-11 3-04 SP1 SP2 C2 C3 c4 MT1 C5 C6 C7 C8 MT2 C9 MT3 C10 Cl 1 C12 C13 C14 MT4 C15 13.7 37.5 21 .2 43.0 32.2 51 .6 40.9 58.3 87.1 100.7 86.3 100.5 76.8 85.3 73.0 83.1 68.7 -80.7 58.7 61 .2 56.4 60.2 55.3 59.5 108.4 120.6 111.6 123.6 100.8 107.3 107.7 113.3 112.7 118.2 105.1 104~30 106.1 106 110.2 1109.8 Mt Cl 1 15' x 50' absorption bed 15' x 50' 'C7 absorption bed Zabel Z-200 i~ter sP1 Septic Pump, compartment 1 SP2 " " " 2 C clean Out MT Monitor Tube SP1 1,250 gallon ,tic Tank AS'BLT 1" = 2.0' PLAN Municipality of Anchorage DEPARTMENT OF HEALTH AND HUMAN SERVICES ENVIRONMENTAL SERVICES DIVISION P.O. Box 196650 · Anchorage, Alaska 99519-6650 · Telephone: 343-4744 On-Site Wastewater Disposal System and/or Well Inspection Report Legal Description: Lot 2r Park Hills Subd, PID No.: 017-113-04 S 89'48'16'.' E reserve. - 4" area ~* ~. / / XSX'~ absorption bed '.:~ ,:' ~. ~ ~ Xv/ . '~ 100' S[PTic SETRAcK-- 2~~, . RECEIVED FEB 19 1998 Mu,~;¢~palffy of Anchorage Heaith& Human Servic M~nicipality of Anchorage DEPARTMENT OF HEALTH AND HUMAN SERVICES. ENVIRONMENTAL SERVICES DIVISION P.Oo Box 196650 e. Anchorage, Alaska 99519-6650 · Telephone: 343-474~ On-Site Wastewater Disposal System and/or Well Inspection Report Lagal Description:, Lot 2, Park Eills Ridqe 1 ,!250 ga~ PID No.: 017-113-04 ..' ' ~,~-.~.,_.m.~kx ~ -' ; '.--- ' !- ; 9'1:/ . ~ '~ , ~ ,x : - .. , : , .i~ ~;z:..u,,>.'.. ~ :/:, ~,,' ~ i , , ~ - - - .' * ' :-f~--.. ','----~lF~~tk:&./' ~--::-~.-,~---HM-.' -;.--~.~,-Vr,~ ::. _/_' ........ -T~.~.,~B.~, : : : i! :~,l~ :~: ~,---, ~,~v .tL~ ':['_-,¢,~, =---- ~ '. ' ~ ' I~ · ' X' ' 1 6 ~q,".L,.~../,~ ,-~.// ~_,,~ T ' , - ',"--m "- r- ..... 't~., ,,.. oi..~'~"'"~'"".~ .... ~'.~.,...~i "; , . i · - ,.~ . ' ,~. ~., 't r .-- ' ' ",~, 7; ',,,i'O;-h,,,~'-,E._ "~L,': :,S,~. ..,.S': ' : ' : ' ] ', "x~°........ i . : .'t.':':~'.~'-,,~ , ! ' ' : . '~ ' T '~'"~v),4..'.. ;..'",t' '~-.-': : ' ' : : , ~ ELEVATION AS -BLT SP1 Septic PumP, comgartment 1 SP2 " " " ...... 2 C Clean Out 1 l! = I 0 I! MT Monitor Tube DATE: TO: FROM: SUBJECT: March 24, 1998 Donna Mears Mike Anderson, P.E. Lot 2, Park Hills Ridge Subdivision Septic System As-Built RECEIVED MAR 2. 6 1998 Municipality of Ancl3orage Dept, Health & Human Services I have verified with the installer of the septic tank for Lot 2, Park Hills Ridge Subdivision that 2" of direct bury insulation was placed atop the tank prior to backfilling. In addition, 2' of backfill material is above the insulation. I have also verified that a minimum of 3' of cover is over both absorption beds. Insulation has also been placed atop the lower bed. The owner of the property intends to do additional landscaping and backfilling over the beds this summer. That will assure sufficient cover to prevent freezing. I have modified the as-built drawing to reflect the insulation over the tank and the cover over the fields. It appears the septic system can now be approved. Please let me know if you have additional questions. ,' 'SIX INCH WATER WE'LL DRILLED-~-~v'~-. ~"OUT TO THE DEPTH-O~ · ~"~ "'" ~" ' -'" :: ..... ~:""-~'"'~'; ::~' ~r:'".'~-"X~," '/(Ri'E'E/:'&'::'~ri~E ~ .: Niemg~n '~'49=26'89"~-'a7~:'~.546 "-""~" .-'. PROPERTY' OWNER -. · , .- -. ~,,..'~oc~¥~o~ OF- W~,.'fi- :sift, :~::: ~ ;:'~..~-. ~ark~ s. '-~ ~ o_-:??.-; :.. ,'.-~ ~-. ~. "~'~ :.;:..--,-. L-.~ ..-;..--~ ~.,..,:-_ ~ .~.-~'~ ~-, .~. .... ' ......... ' "'~ ' ..... ' '~ "1~ ' "'"' :" 'g Wd ' ' "'-;~:" ' ~'' '"""~ '~' '" ~'~""~""~' I W~ ~L LOG' "'~ ~ .... : -- "' ' ;~' ......... '" '':< ........... ~'~:'' ......... .... ' " ..... --" ~'-- ' .".'- ? ".:';-'/.",~:E ,~-,'- .... -E~.,- . .7 ' '-'~ ;'" · -"~.': '~ . ' ' :~ '"';.~ ~.f} ;'='g~;~. ..... ~.J',':' ~'~--:',' "~- -:Y:"4 E ': ~ " "' 0 ~ t87 Bilty.'sand~-~gravel'.'-v~h wet ~lay..m~er~'~I.;~ :;~'..~'-~";,~.-~?,;:~',.?;." -..'/,L.'.',~-~..:- SERVICE CHARGE O F 1~% PER MONTH WILC BE ASS~SED' ON PAST'DUE ACCOUNTS. MUNICIPALITY OF ANCHORAGE DEPARTMENT OF HEALTH AND HUMAN SERVICES P.O. BOX 196650, 825 "L" STREET, ROOM 502 ANCHORAGE, ALASKA 99519-6650 ON-SITE WELL AND WASTEWATER DISPOSAL SYSTEM PERMIT PAGE 1 OF 1 PERMIT NUMBER:SW960216 DESIGN ENGINEER:ANDERSON ENGINEERING OWNER NAME:NIEMANN RICHARD R & CHRISTI C OWNER ADDRESS:7015 HENDERSON LOOP ANCHORAGE, ALASKA 99507 PARCEL ID:01711304 DATE ISSUED: 7/26/96 EXPIRATION DATE: 7/26/97 LEGAL DESCRIPTION: PARK HILLS RIDGE LT LOT SIZE: 180371 (SQ. FT.) NUMBER OF BEDROOMS: 4 THIS PERMIT: 4 THIS PERMIT IS FOR THE CONSTRUCTION OF: DISPOSAL FIELD /SEPTIC TANK / WELL SYSTEM 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 (iSAAC80) . 3. THE ENGINEER MUST NOTIFY DHHS AT LEAST 2 HOURS PRIOR TO EACH INSPECTION. PROVIDE NOTIFICATION BY CALLING 343-4744 ( 24 HOURS ) (NOT REQUIRED FOR WELL ONLY PERMIT) 4. FROM OCTOBER 15 TO APRIL 15 A SUBSURFACE SOIL ABSORPTION SYSTEM UNDER CONSTRUCTION DURING FREEZING WEATHER MUST BE EITHER: A. OPENED AND CLOSED ON THE SAME DAY B. COVERED, SEALED AND HEATED TO PREVENT FREEZING 5. THE FOLLOWING SPECIAL PROVISIONS. SPECIAL PROVISIONS RECEIVED BY: '~ (~ DATE: TO: FROM: MEMORANDUM July 24, 1995 Dan Roth, MOA- DHHS Mike Anderson, P.E.'D RECEIVED JUL 2 4 1996 Municipality ot Anchorage Dept, Health & Human Services SUBJECT: Lot 2, Park Hills Ridge Subdivision Septic System Permit Application The following revisions have been made to the septic system permit application for Lot 2, Park Hills Ridge Subdivision in accordance with your comments: · The total depth of the system has been changed to 2' to maintain the 4' separation from the highest recorded groundwater elevation. The system will require a minimum of 2" of high density direct bury insulation or 3' minimum of natural ground cover. · The bed width has been changed to 15' and a total length of 100'. · The note "Zabel Flow Divider" has been changed to "Zabel Flow Splitter". · The wording under the Typical Bed Section has been changed to read "Grade Area Over Bed to Drain Away". This information addresses comments received from your initial review of the permit package. Hopefully, the design can now be approved by the Municipality and the permit issued. July 18, 1996 Municipality of Anchorage Department of Heath & Human Services 825 "L" Street Anchorage, AK 99502-0650 Subject: Lot 2, Park Hills Subdivision Septic System Design Impacts to Adjacent Properties Dear On Site Services Engineer: We hereby request a permit be issued to place a septic system on the subject lot in accordance with the attached design. Testholes placed in the area of the proposed absorption bed revealed a poorly graded to silty sand with a percolation rate of 19 minutes per inch. No ground,water has been noted in the monitor tube all spring, but in years pat the level has been within 6.2' of the surface. We are therefore proposing to place a shallow bed at a depth of 2' below the original ground surface. The bed will be 15' wide and a total of 100' in length. Two beds each 50' in length will be placed 10' apart. A flow splitter valve will be installed to divide the flow between the beds. The ground surface of the lot slopes from east to west at varying grades. The surface in the area of the absorption bed, however, is fairly flat. The lot is of sufficient size so that no encroachments exist between the septic system and any wells in the area. If the new system is constructed as designed the following statements can be made: The system, if constructed as designed, will have no adverse impact on the wells in the area or those to be constructed in the future. The system, if constructed as designed, will have no adverse impact on existing septic systems in the area or those to be constructed in the future. The system, if constructed as designed, will have no adverse impact on reserved space, either surface or subsurface, on any lots located in the area. The system, if constructed as designed, will have no adverse impact on drainage patterns in the area. The current drainage pattern will be maintained. Sincerely, Michael E. Anderson, P.E. Attachments I [ I SYSTEM PLAN NO SCALE LOT 2, PARK HILLS RIDGE SUBDIVISION DESIGN FACTORS: SYSTEM REQUIREMENTS; Four Bedroom Home Perc. Rate: 12 Min./Inch (TH 3) Application Rate: .4 GPD/SF Shallow Bed System 1,250 Gallon Septic Tank 4 Bedrooms X 150 GPD -- 600 Gallons Per Day 600 GPD/.4 GPD/SF = 1500 SF / 15 LF (Width) = 100 LF Total Length Therefore: Construct a Shallow Bed System with Two 15' Wide X 50' Long Beds Spaced 10' Apart. Bottom of Bed to Be 2' Below Surface. Mound Over Bed to prOvide a Minimum of 3' Cover or Place 2" of High Density Direct Burial Insulation. Iz'~ .I I ! I TYPICAL SHALLOW BED SECTION (NO SCALE) NOTE: Bottom of Bed to be 4' Above Groundwater. Minimum 3' Cover Over Bed or 2" Direct Bury Insulation. Grade Area Over Bed to Drain Away. LOT 2, PARK HILLS RIDGE SUBDIVISION (ALTERNATE SITE) DESIGN FACTORS: Four Bedroom Home Perc. Rate: 40 Min./Inch Application Rate: .45 GPD/SF SYSTEM REQUIREMENTS: Wide Trench System 1,250 Gallon Septic Tank 4' Gravel Beneath Dist. Pipe 4 Bedrooms X 150 GPD -- 600 Gallons Per Day 600 GPD/.45 GPD per SF = 1334 SF / 5 LF (Width) X .5 (Red. Factor) = 134 LF Total Length Therefore: Construct a Wide Trench System with Twaf Wide X 67' Long Trenches Spaced 10' Apart. /// NOTE: TYPICAL WIDE TRENCH SECTION (NO SCALE) Bottom of Trench to be 4' Above Groundwatl Minimum 3' Cover Over Trench. Grade Area Over Trench to Drain Away. =ERFORMED FOR: _EGAL DESCRIPTION.' Municipality of Anchorage DEPARTMENT OF HEALTH & H~UMAN SERVICES 825 "L" .Street, Anchorage. Alaska 99502-0550 · SOILS LOG -- PERCOLATION TEST DATE PE~E~RME~~ i~ Township, Range, Section: · WAS GRouND WATER ENCOUNTERED? SLOPE SITE PLAN E DEPTH? p E Depth to Water ~,u I .,,.,/. - Gro~ Net . Depth to Net Reading Date Time Time Water Drop ~z m: ~o z~ 7~/¢,, / ye ', · -' '. . //~C~ (minut~in~) PERC HOLE DIAMETER ~-~ // "'" ":"?'PERCOLATION RATE RFORMED FOR: .;AL DESCRIFTION: Municipality of Anchorage DEPARTMENT OF HEALTH & H,.UMAN SERVICES 825 "L" Street, Anchorage. Alaska 99502-0650 · SOILS LOG -- PERCOLATION TEST DATE Township, Range, Section: SLOPE WAS GROUND WATER ENCOUNTERED? '. -- i~ YES. AT WHAt' SITE PI.~N g,r ' Gro~ Net . Del~h to Net Reading Data Time Time Water =ERCOLATION RAI~ ~.~T RUN BETWEEN l,~ 0 (mlnuter~incJ'l) PERC HOLE DIAMETER Zabel Z200 F10w Divider' Zabel ZZOO,D F10w Director and The Zabel Flow Director replaces expenstve, old fashioned Y-valves. They a tall All Zabel roducts are manufactured from high quality injection molded PVC and carry Zabel's to ins · P , · ' lorworkmanshi The warranty does not Lifetime Warranty if parts fail due to manufacturer s defect tn matena P. include replacement parts not sold by Zabel and does not include labor for removal or reinstallation. I. The Flow Divide distributes effluent leaving the septic tank by means of a patented central weir design that insures the flow is evenly divided even if the Flow Divider is not perfectly level. 2. The inlet pipe of the Flow Divider is constructed so that effluent will flow from it and down into the effluent into two equal portions. 3. Distributes flow better than D-boxes and mani- folds that are subject to frost heave or ground settling. 4. Testing shows that even with a level discrepancy of 1/8" or more between the right and left port, the division of the flow was almost 50/50. A standard D-box or manifold distorts the flow under these same conditions. 1. The Flow Director is a Flow Divider with a pat- ented sleeve valve installed to distribute the efflu- ent flow to a primary field of your choice and allows the secondary field to rest until needed. 2. The Flow Divider automatically back flows from the primary to the secondary field and does not depend on the homeowner to change the sleeve valve in the Flow Director. A standard Y-valve is dependent on the homeowner to change the flow direction at the proper time. Unfortunately, this usually does not happen and a problem develops such as an effluent break out resulting in ground water contamination. 3. At the time the septic tank is normally serviced, the septic tank service company can redirect the flow alloWing the primary, field the opportunity to rest. · Manufactured from injection molded PVC. · Always insures an everi flow. · Doesn't create solids build up. · Will not clog. · Lifetime Warranty. Laboratory Test Results using 1000 ml samples @ 3 mm Level Right Port Left Port 1/16" Tilt Right Port Left Port 1/8" Tilt Average Distribution 50.03% 49.97% 50.2% 49.8% Right Port 51.3% LeFt Port 48.7% Questions concerning Z200 Flow Divider · Zabel Z2OO-D Flow Director please call ! .800-221-5742 or Fax (502) 267-8801 for further information. Z2OO-O I-I I /9~ ON-SITE WASTEWATER DISPOSAL SYSTEM CONSTRUCTION AND MATERIAL SPECIFICATIONS SUBJECT: Lot 2, Park Hills Ridge Subdivision GENERAL: 1. The scope of this project includes the procurement and placement of a 1,250 gallon Septic tank and the construction of a shallow absorption bed ~ wide and a total length of ~ L.F. /~ 2. Construction shall be in accordance with the approved site plan, design drawings, Municipal Permit with any special provisions or conditions, and all applicable State and Municipal Wastewater Disposal Regulations. 3. The Contractor shall be responsible for obtaining all underground utility locates and for the layout of the septic system and verification of the location of all lot lines. 4. Unless specifically agreed otherwise, the contractor shall be responsible for final grading areas subsequently depressed from soil settling. Property owner shall be responsible for revegetation of affected areas unless specifically agreed otherwise. 5. Contractors installing wastewater disposal systems must be certified by the Municipal Department of Health and Human Services for system installations. Owners installing their own systems must receive prior approval from D.H.H.S. before beginning system installation. SEPTIC TANK INSTALLATION 1. A new 1,250 gallon septic tank must be procured from an approved source and installed at the location shown on the Site Plan. Lot 2, Park Hills Ridge Subdivision July 8, 1996 Page Two 2. A septic tank is to be constructed by a certified septic tank manufacturer. Construction shall include two 4" cleanouts for pumping access. 3. The septic tank shall be sufficiently bedded to prevent settling or shifting of the tank. 4. All standpipes on the septic tank shall extend a minimum of 12 inches above final grade. 5. Tanks installed without 4' of cover shall have a minimum of 2" of direct burial insulation. 6. A foundation cleanout shall be installed one to four feet from the building foundation. Two cleanouts are required between the tank and the drainfield. 7. Final grading over the tank shall be such that a positive slope exists away from the septic tank. DRAINFIELD CONSTRUCTION: 1. The drainfield shall be constructed to the dimensions shown on the design. The bottom of the bed shall be within 2" of level. 2. Distribution piping must be placed level with perforations down atop a level bed of drainfield rock. Rock should then be placed over the pipe to provide a minimum of 2" of cover. 3. A silt barrier or geotextile fabric must be placed between the drainfield rock and the natural soil backfill. 4. Monitor tubes must be 4" in diameter and installed at the locations shown on the design. The portion below ground must be perforated. Lot 2, Park Hills Ridge Subdivision July 8, 1996 Page Three 5. Contractor shall verify the septic tank and drainfield are a minimum 100' away from any private water wells in the area, 150' from a Class "C" Well or 200' from any community well. 6. Direct bury insulation must be placed over the distribution system if less than 3' of backfill depth is available. Finish grade over the trench must be mounded to prevent settlement or depressions. 7. Grade area surrounding the absorption trench to drain away. 8. A minimum 2' of accepting soil is required below the drainfield rock. Contractor shall verify this condition prior to placement of the rock. All pockets of unacceptable materials must be removed and replaced. MATERIAL SPECIFICATIONS: 1. Septic tanks must be constructed by a Municipally approved septic tank manufacturer. 2. The following pipe materials are approved for use in septic system installations in the Municipality of Anchorage: Cast Iron (perforated and solid), ASTM D3034 or P.V.C. (perforated and solid), ASTM F810 or H.D.P.E. (perforated, but not solid) and ASTM D2662 or A.B.S. (perforated and solid). 3. Insulation shall be at least 2" thick extruded direct burial polystyrene (Dow Chemical Co. Styrofoam HI or equal). 4. Septic tank inlets and outlets shall be fitted watertight couplings (Caulder, Fernco, or equal). with 5. A permeable geotextile fabric (Typar, Mirafi or equal)must be installed between the final drain rock layer and the native soil layer. Lot 2, Park Hills Ridge Subdivision July 8, 1996 Page Four 6. All drain rock shall be .5" to 2.5" in diameter with less than 3% passing the #200 sieve. INSPECTIONS: A minimum, of two inspections are required by Municipal Ordinance. These inspections must be conducted under the supervision of a professional engineer registered in the State of Alaska. The first inspection must be conducted after the excavation of trenches, beds or pits and before the installation of any gravel. A septic tank may be set in place, but may not be backfilled. The second inspection must be conducted after the placement of the geotextile fabric, gravel, distribution piping, standpipes, cleanouts and insulation. No backfill should be in place at the time of inspection. Contractor shall provide a copy of all field survey layout and construction notes for use in preparing the certified as-built of the completed system.