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HomeMy WebLinkAboutKINCAID HEIGHTS #1 LT 12Kincaid H ight Lo1' 12 #011-122-67 Permit Number:. SW020422 Nome: COLONY BUILDERS Address: 2340 LOREN ST. * ANCHORAGE, AK 99516 Phone: No, of Bedrooms: (907) 345-0371 4 LEGAL DESCRIPTION Block: Lot: Subdivision: - 12 KINCAID HEIGHTS #1 Township: Range: Section: Municipality of Anchorage Development Services Department Building Safety Division On-Site Water & Wastewater Program, 4700 South Bragaw St. P.O. Box 196650 Anchorage, AK 99519-6650 www.ci.anchorage.ak.us (907) 343-7904 On-Site Wastewater Disposal System and/or Well Inspection Report PID Number: 01 1 --1 22--67 Page 1 of Wastewater System: · New [] Upgrade ABSORPTION FIELD [] Deep Trench · Shallow Trench [] Bed []Mound Soll Rating: 0.6 GP D./Sq. Ft. Depth to pipe bottom from original grade: 4.27-6.98 Ft. Rim m:lded abeve original gradm SEE DWG. Pt. ID Other Tothl Depth from original 8.27-10.98 n. Gravel depth beneath pipe: 4.0 pt. Gravel length: 100 e/'"'"""/ Grovel width: WELL: [3 New [] Upgrad 5 ClaNificafion (Private, A.B,C): ~PL C~ed To: Ft. Total absorption area: D~lle~. ~ D~te Drilled: Statle W~ter Level:FL Inetall~': ~ GPM Pump Set A~: Rt. Ca.ing Height Above GroundF:L SEPARATION DISTANCES  Septic Absorption Uft Holding Publlo/Pdvate Tank Field Station Tank Sewer Une~ Well N/A N/A - - 25'+ Surface Water 100'+ 100'+ - - - 1000 CMS rE Lot Line 5'+ 10'+ Foundation 5'+ 10'+ Curtain Drain NONE KNOWN I Remarks: SQ. Ft. Number ~f lines: Di~nce between lines: Pipe mater~31: D 5034/ F-810 10721-11/5/2002 TANK · Septic [] Holding [] S.T,E.P. [3 Other Manufacturer:. C~pooity in gallons: ANCHORAGE TANK 1250 Material: Number of compal-bwente: STEEL 2 LIFT STATION Pump bl~,~,r6~b I Sect~cal InmpecUonl~ performed b~ BENCH MARK BO'R'OM OF TANK PERMiT NUMBER: SW020422 AS-BUILT DRAWING A FCO 13.02 '~~ ST1 22.74 ... '-- ST2 31.5 DBLI 33.95 %' -x, DBL2 54.87 ~~ ~ '--- ~ ~ ---... ~ ~ C01 24.88 "--. ~ ~.~~~-~.~...._.~ ~'--- ~-. MTI 27.73 ~ ~ ...~'~._u'n'~.,u~ ~ C02 87.2,3 ~ '-"" ~?-.-~ ~ MT2 86.85 21.27 gJ ALTERNATE SiTE MAY REQUIRE THE USE OF A UFT STATION O0 --NEW 1250 GALLON SEPTIC TANK X= gR TIO" KEY BOX/ PARCEL ID NUMBER: 011-122-67 B C 23.07 - 15.36 - 7.16 - 5.79 - 5.14 - - 102.56 - 102.82 - 22.61 /I AI SI . WATER & WASTEWATER ~® CONSULTANTS, lNG. ~'~ 6901 DEBARR ROAD, SUITE 2B # ANCHORAGE, AK 9950& * PHONE (907)537-6179 * FAX (907)358-~Z&6 PREPARED FOR: PHONE NUMBER: COLONY BUILDERS (907) 545-0571 LEGAL DESCRIPTION: KINCAID HEIGHTS SUBDIVISION t~1; LOT 12, 3'YPE OF WORK: AS-BUILT DRAWING OF NEW SEPTIC SYSTEM DATE: 12/17/2002 DRAWN BY: Z.T.G. SCALE: 1" = 40' PAGE NUMBER: 20F5 PERMIT NUMBER: SW020422 AS-BUILT DRAWING PARCEL ID NUMBER: 011-122-67 TOP OF TANK AT--~ INLET - 92.99 ~. INVERT OF BUNO AT INLET - 92.4~3 FINAL GRADE - 98.28-98.37 = ~ooo c^,LON Ix- SEPTIC TANK LBO~NIoAT TH#1 FILTER FINAL GRADE 97.7-98.12 TH#2 ~INVERT OF PIPE - 91.99 (AVG.) OF TRENCH - 87.86 (AVG.) RELATIVE ELEVATION OF BOll'OM OF mSTHOLE = 7B.B4 (T[SmOLE DRY) Al,,~[~_ WATER & WASTEWATER ~~ ~ CONSULTANTS, INC.~~ §901 DEBARR ROAD, SUITE 2B * ANCHORAGE, AK 9950,5- * PHONE (907)357-6179 * FAX (907)558-32L~O PREPARED FOR: PHONE NUMBER: COLONY BUILDERS (907) 545-0;571 LEGAL DESCRIPTION: KINCAID HEIGHTS SUBDIVISION #1; LOT 12, WPE OF WORK: PROFILE AS-BUILT DRAWING OF SEPTIC SYSTEM RELATIVE ELEVATION OF BOTrOM OF ~OLE - 80.54 (TESTHOLE DRY) DAT~: 12/17/2002 DRAWN BY: Z,T,G, SCALE: N.T.S. PAGE NUMBER: 30F3 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 PERMIT Initial Date Issued: Oct 17, 2002 Expiration Date: Oct 17, 2003 Permit Number: SW020422 Legal Description: KINCAID HEIGHTS #1 LT 12 Design Engineer: 0041 AK Water & Wastewater Consultan' Owner Name: Bill w/Colony Builders Owner Address: 9420 Vanguard Dr. Unit A Anchorage, AK 99507- Parcel ID: 011-122-67 Site Address: Lot Size: 40433 SQ. FT. Total Bedrooms: 4 Permit Bedrooms: 4 This permit is for the construction of: ~ Disposal Field [] 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: Issued By: Parcel I,D. Municipality of Anchorage Development Services Department Building Safety Division On-Site Water & Wastewater Program 4700 South Bragaw St. P.O. Box 196650 Anchorage, AK 99519-6650 www.ci.anchorage.ak.us (907) 343-7904 ON-SITE SEWER/WELL PERMIT APPLICATION FOR A SINGLE FAMILY DWELLING ~)//J / ~'~- --/---¢"~ Permit Number Property owner(s) Mailing address (1) Mailing address (2) c/o BILL w/ COLONY BUILDERS Day phone 9420 VANGUARD DRIVE UNIT "A" * ANCHORAGE. AK Zip Code Legal description (Lot, Block & Sub'd.) Legal description (Section, Township & Range) Lot Size /-~/0 d,~:L"~-D Acre~ KINCAID HEIGHTS SUBDIVISION #1: LOT 12. N/A Number of Bedrooms 545-0371 99507 THIS APPLICATION IS FOR: Sewer Only · Well Only [] Sewer and Well [] Water Storage [] Sewer Upgrade [] THIS PROPERTY CONTAINS: Hot Tub [] Jacuzzi [] Swimming Pool [] Water Softening Unit [] Therapy Pool [] 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. ALASKA WATER & WASTEWATER CONSULTANTS, INC. ($igneturc of propcrty owncr or outhorizcd ogcnt) Permit Fees: t~qO0- ~ Date of Payment: ~0 I11/O~-- Receipt Number: ~OSL[© ¢:~' Waiver Fees: Date of Payment: Receipt Number: ALASI WATER & WASTEWATER October 10, 2002 Municipality of Anchorage Development Service Department Building Safety Division On-Site Water & Wastewater Program P.O. Box 196650 Anchorage, Alaska 99519-6650 Ref: Proposed Septic System for Lot 12; Kincaid Heights Subdivision #1 To whom it may concern: The proposed 4 bedroom house will be served by public water and a private septic system. Two test holes were excavated on the property in the area of the septic. The drainfield will be designed around the 30 foot radii of these test holes. We are proposing that a 1250 gallon septic tank and 5-wide type drainfield be installed. Comments regarding the design are summarized as follows: 1. SOILS: See the attached logs which shows the soil classifications, groundwater monitorin~g~ and the percolation test results. It is our opinion that an application rate of 0.6 gallons/day/ft should be used. 2. TRENCH DESIGN: a. Percolation Rate: 4.8,16, & 17.9 minutes/inch b. Proposed Application Rate: 0.6 gallons/day/ft2 c. Number of Bedrooms: 4 d. Design Flow: 600 gallons per day 2 e. Minimum Absorption Area: 1000 ft f. Total Depth: 11 feet (max.) g. Effective Depth: 4 h. Width: 5 feet i. Reduction Factor: 0.5 j. Minimum Length: 100 feet long k Effective absorption area = 1000 ft2 6901 Debarr Road, Suite 2B * Anchorage, AK 99504 Ph: (907) 337-6179 * Fax: (907) 338-3246 * Website: akwwc.com 3. SURFACE WATERS: There are no surface waters within 100 feet of the proposed design. 4. TOPOGRAPHY: The area for the proposed septic system is a 1%-5% slope running approximately west to east; in short, there are no slope concerns. We are unaware of any adverse impacts this installation would have on adjacent wells or septic systems. If you have any questions, please contact us at 337-6179. Thank you for your assistance. Sincerely,~//~? ~yl.~Ga e~ss P.E., Pre!yde~ t m.so NOTE: A site plan, design drawing, two soils logs, and a 7page construction specification letter which are all part of the design package for this septic system. 6901 Debarr Road, Suite 2B * Anchorage, AK 99504 Ph: (907) 337~6179 * Fax: (907) 338-3246 * Website: akwwc.com I I \ I ,'i,' LOT ,o; ~,,~D .E.O~ ~/D ~, } x, , . ~'~ ~ I L_ ~ ~ ~ ~P~OPO~D g[~lO ~ I ~ROPOSED 4 BEDROOM HOUSE -- \ ~ s~,~"s,~°~, / SERVED PUBMC WATER LOT 10, BLOCK 1; ~ X / LOT 12, BLOCK 1; A1 AS~ WATER & WASTEWATER ........ ' .......... ........ COSSULTANTS, INC. bg0t DEBARR ROAD, SUITE 2B ' ANCHORAGE, AK 9gS0t, * PHONE (907)557-6179 * FAX (g07)558-EZL§ PREPARED FOR PHONE NUMBER: COLONY BUILDERS (907) 545-0571 LEGAL DESCRIPTION: KINCAID HEIGHTS SUBDIVISION i~1; LOT 12 TYPE OF WORK: SITE PLAN FOR PROPOSED SEPTIC SYSTEM DATE: 10/10/2002 DRAWN BY: J,L,M, SCALE: 1" = 100' PAGE NUMBER: 1 OF2 ~-~' ~ ~ ~ PROPOSED WATER "~ ............ PROPOSED PROPOSED 12S0 ~ ~QUIRE ~E USE OF A ........ U~ ~A~ON.-- ~N~ FOUNDATION / C~O~ IN~ DOUB~ CO / + PROPOSED D~NFIE~. ~VA~ A ~ENCH ~T IS 11 FE~ DEEP WIDE ~ 100 ~ LONG. ADD 4 FE~ OF C~N, W~HED S~ER D~NROCK. INteL ~ENCH P~L TO SLOPE CO.OURS. i/ AI,ASI(A WATER & WASTEWATER CONSULTANTS, INC, b901 DEBARR ROAD, SUITE 2B * ANCHORAGE, AK 9950t~ * PHONE (907)557-6179 * FAX PREPARED FOR: PHONE NUMBER: COLONY BUILDERS 54.5-0571 LEGAL DESCRIPTION: KINCAID HEIGHTS SUBDIVISION #1; LOT 12, 'IYPE OF WORK: DESIGN PROPOSED SEPTIC SYSTEM DATE: 10/14/2002 DRAWN BY: C.J.G. SCALE: 1" = 40' PAGE NUMBER: 20F2 AAASKA WATER & WASTF dATER ......... '~'='~,~ ............ ~ CONSULTANTS, INC, ~® ®~®~*~= 6901 DE:I]ARR ROAD, SUIIE 29 * ANCHORAGE, AK. 99504 * PHONE: (907);~57-6179 * FAX: (907),%38-3246 * W[BSITF~ okwwc.com ISOIL LOG - PERCOLATION TEST] KINCAID HEIGHTS #1 LOT 12 TOD AND SUZANNE RUST DATE: 9/27/2002 LEGAL DESCRIPTION: PERFORMED FOR: DEPTH ...... (f t) ...... 5-- ML 20 SOILS LOGGED BY: COMMENTS: ORGANICS ITEST HOLE #11 SOIL CLASSIFICATIONS ...... ORG GP ~ ML GM CL GC OL SW MH SP CH SM OH SC DEPTH TO GROUNDWATER DATE DRY 9/27/2002 DRY 10/3/2002 SILTY FINE SAN D SP-SM TO ML DATE 10/3/2002 FINE CLEAN SAND SP PROPOSED HOUSE SITE PLAN 1"=100 READING CLOCK NET TIME WATER LEVEL NET DROP TIME (MINUTES) READING (INCHES) I 1 :,38 - 6" - 2 2:08 30 3 7/8" 2 7/8" 3 2:09 1 6" - 4 2:39 30 4 1/4" 1 3/4" 5 2:41 2 6" - 6 3:11 30 4 5/16" I 11/16" PERCOLATION RATE 17,9 (HIN./INCH) TEST RUN BETWEEN 8.5 FT. AND 9.5 A PRESOAK WAS PERFORMED: r-lYES I NO SUSAN OSWALT PERCOLATION TEST PERFORMED BY: PERC. HOLE DIA. 6 (INCHES) FT. Ma'l-r FISHCER PERFORMED BY AKWWC, INC. I, JEFFREY A. GARNESS, CERTIFY THAT THIS WAS ~>ERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: AI.ASKA WATER & W. AoSTF. WATER ~'~ ........ CONSULTANTS, INC. 6901 DEBARR ROAD, SUITE 2B * ANCHORAGF~ AK. 995~4 * PHONE= (907)~7-6179 * FAX: (907)~,~}-3246 * ~ akwwc.com ISOIL LOG - PERCOLATION TESTI KINCAID HEIGHTS SUBDIVISION #1, LOT 12 TOD AND SUZANNE RUST DATE: 9/27/2002 LEGAL DESCRIPTION: PERFORMED FOR: DEPTH ...... (feet) ~-~.-=~.= ORG 4~ 5~ · "'-%" SP-SH B.O.H. 19-- 20 SOILS LOGGED BY: COMMENTS: ITEST HOLE (PAGE 1 OF 2) SOIL CLASSIFICATIONS ....~ - ORG GP ~ ML GM CL OL SW MH SP CH SM OH SC DEPTH TO GROUNDWATER DATE BRY 9/27/2002 BRY 10/3/2002 DATE 10/3/2002 PERCOLATION RATE TEST RUN BETWEEN A PRESOAK WAS PERFORHED: SUSAN OSWALT .... : ........... 'f.~l ..... ; .... TH 2 PROPOSED HOUSE SITE PLAN 1 '=100' READING CLOCK NET TIME WATER LEVEL NET DROP TIME (MINUTES) READING (INCHES) 1 1:37 - 6" - 2 1:47 10 1 1/2" 4 1/2" 3 1:50 - 6" - 4 2:00 10 2 3/8" 2 5/8" 5 2:02 - 6" - 6 2:12 10 2 5/8" 2 3/8" 7 2:14 - 6" - 8 2:24 10 2 7/8" 2 1/8" 9 2:26 - 6" - 10 2:36 10 2 7/8" 2 1/8" 11 2:38 - 6" - 12 2:48 10 2 15/16" 2 1/16" 4.8 (MIN./INCH) PERC. HOLE DIA. 6 (INCHES) 9.5 FT. AND 10.5 FT. MATT FISHCER · YES J---JNo PERCOLATION TEST PERFORHED BY: PERFORMED BY AKWWC, INC. I, JEFFREY A. GARNESS, CERTIFY THAT THIS WAy P~RFORMED WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: l ,~ ~lc, fO,5. IN ACCORDANCE ALASI"'.A WATER & ' ¢dASTE WAT 6901 DEBARR ROAD. SUITE 2B * ANCHORAGE, AK. 00504, PHONE: (907)337-6179 FAX: (907)338-3246 * WEBS~.: okwwc.oom ISOIL LO(:; - PERCOLATION TESTI LEGAL DESCRIPTION: KINCAID HEIGHTS SUBDIVISION #1, LOT 12 PERFORMED FOR: TOD AND SUZANNE RUST DATE: 9/27/2002 [~EPTH -- feet) 1-- 3-- 4-- 5-- hi 8-- T W r~ 12-- z 13-- ITEST HOLE #21 (PAGE 2 OF 2) SOIL CLASSIFICATIONS t: .~ ~ :. ~.: ORG GP ~ ML GM CL GC OL SW SP CH SH / OH SC DEPTH TO GROUNDWATER DATE DATE 10/3/2002 17-- FOR SITE PLAN, SEE PAGE 1 OF 2 READING CLOCK NET TIME WATER LEVEL NET DROP TIME (MINUTES) READING (INCHES) I 1:35 - 6" - 2 2:05 30 3 1/4" 2 3/4" 3 2:06 - 6" - 4 2:36 30 4 1/8" 1 7/8" 5 2:39 _ 6" - 6 3:09 30 4 1/8" 1 7/8" 18-- 19-- PERCOLATION RATE 16 (HIN./INCH) PERC. HOLE DIA. 6" (INCHES) TEST RUN BETWEEN 5.5 FT. AND 6.5 FT. 2O COMMENTS: PERC-HOLE WAS PRE-SOAKED FOR 4+ HOURS PERFORMED BY ALASKA WATER & WASTEWATER I, JEFFREY A. GARNESS, CERTIFY THAT THIS W~S ~ERFORMED IN ACCORDANCE WITH ALL STATE AND MUNICIPAL GUIDELINES IN EFFECT ON THIS DATE: AKWWC, Inc., Year 2001 ALASICA WATER & WASTEWATER Standard Construction Specifications for Single Family ~Yells & Onsite }Yastewater Disposal Systems ************************************************************************ I. REFERENCE PROPERTY: Lot 12, Kincaid Heights Subdivision #1. The design is for a four (4) bedroom residence ********************************************************************************** H. DEFINITIONS: 1. Property owner or homeowner: The legal property owner or his/her appointed representative (not AKWWC, Inc.). 2. Engineer: Alaska Water & Wastewater Consultants, Inc. (AKWWC, Inc.) 3. Contractor: The company hired by the property owner to install the septic system. If the property owner installs the system then he/she would also be the contractor for purposes of this installation. 4. Well Driller: The person or company hired by the property owner to drill the well. 5. DSD &/or MOA: Municipality of Anchorage, Development Services Department, On-Site Water & Wastewater Program. III. RESPONSIBILITIES: · Property Owner Responsibilities: I. CONTRACTUAL RELATIONSHIP: The property owner shall contract with the contractor to perform the work outlined in these specifications and plans, in accordance with the attached DSD permit. There is no contractual relationship between the contractor and the engineer. The engineer shall inspect the work, as required by DSD, so as to document the installation. Final acceptance of the contractor's work rests with the owner and the DSD. 2. SINGLE FAMILY RESIDENCE ONLY: This well and/or septic system design is for a single family residence only. The homeowner is responsible for notifying the engineer if the residence is used as a duplex, business, or multi-family dwelling. In such cases, the installation permit must be obtained from the State of Alaska, Department of Environmental Conservation. 3. DISCLAIMER REGARDING AS-BUILT SURVEY: The validity of the design site plan is limited by the accuracy of the as-built survey provided to the engineer by the property owner or his/her representative. The property owner shall notify the engineer regarding any known inaccuracies associated with the as-built survey. The engineer assumes no responsibility for the accuracy of the survey. 4. UNPLATTED EASEMENTS: The property owner is responsible for notifying the engineer and the contractor of any unplatted easements, not shown on the as-built survey, which the new well or septic system may encroach into. Such easements are typically identified in the property title report. 5. DISCLOSURE OF SITE CONDITIONS: The property owner shall notify the engineer and the contractor of any seasonal groundwater or surface water runoff conditions known to him/her which could potentially effect the operation of the septic system. The proposed septic system must be at least 100 feet from any streams, ponds, creeks, swamps, bogs, or any other surface water as defined by the DSD. This disclosure is of particular significance when the site evaluation and design work is being done during the winter months when surface waters are frozen and there is snow cover. Page 1 of 7 AK~F?C, Inc., Year 2001 The property owner shall notify the engineer and the contractor of any known subsurface conditions that would prohibit or restrict the installation of the septic system. Items of concern would include, but are not limited to buried piles of construction debris, undocumented septic systems, areas which consist primarily of fill (imported) soil, subsurface drainage systems, & abandoned wells. 6. DRINKING WATER WELLS: The property owner is responsible for notifying the engineer if, to his/her knowledge, any of the adjacent properties are used as a duplex, business, or multifamily dwelling. The new septic tank and leaclffield must be at least 100 feet from any private well, 150 feet from any class "C" well, and' 200 feet from any class "A" or "B" well, unless appropriate waivers are obtained. Furthermore, the property owner shall notify the engineer of any undocumented or abandoned wells, known to him or her, that are located on the subject or adjacent properties. 7. CURTAIN DRAINS: The new drainfield must be at least 20 feet down gradient, and 50 feet upgradient from any subsurface drains. This includes foundation drains. The property owner should notify the engineer of any such drains that are not shown on the design drawings for this installation. 8. POST CONSTRUCTION SITE RESTORATION: Unless specifically agreed upon otherwise, the property owner is responsible for final grading of the areas which settle after construction. Prior to awarding the contract, the homeowner should communicate to the contractor any expectations regarding, but not limited to post construction site clean-up, re-landscaping, and restoration of any asphalt, fences, trees, decks, ect, that are effected by the construction. All mound type drainfields are required by the MOA to be re-vegetated. The property owner is responsible for this work unless other arrangements are made with the contractor. If the property is being sold, the property owner shall ensure that the aforementioned items are addressed with the buyer, and, if the work is to be completed after the sale of the property, that necessary funds are escrowed to fund the completion of the work. 9. PROPERTY OWNER INSTALLATION OF SEPTIC SYSTEM: If the property owner intends to install the septic system he/she must f~rst have obtained approval from the Municipality of Anchorage, DSD (343-7904). Homeowner installations typically require more time for engineer inspections. The homeowner should discuss the additional costs associated with such inspections with the engineer prior to starting the project. 10. ENGINEER CHARGES TO INSPECT THE INSTALLATION: The property owner is responsible for payment of all the engineer inspection charges. These charges are in addition to the soils testing and design work that was required to obtain the MOA sewer/well permit. The number of inspections will vary depending on the actual field conditions encountered and the construction methods used. If there are any questions by the property owner, or his/her representative, regarding charges for installation inspections they should be discussed prior to beginning construction. AKWWC, Inc. will provide you with a written copy of the fee schedule. 11. CHANGES IN THE SCOPE OF WORK: See Section V, "Disclaimers" regarding design changes. See "Contractor Responsibilities", paragraphs 1, 2, & 13. In addition, see "Engineer Responsibilities", paragraphs 2, 4, & 5. · Contractor Responsibilities: I. PRE-CONSTRUCTION LAYOUT: The contractor is responsible for locating all buried utilities, easements, property lines, surface water setbacks, well radii, and water service lines which may be encroached upon by the proposed septic system. The contractor shall ensure that all setbacks are flagged by a registered land surveyor, or other appropriate means, prior to construction. AKWWC, Inc. field engineers/inspectors will not be responsible for establishing or confnxn'mg any of the aforementioned setbacks. The contractor should recognize that the location of all wells, surface waters, structures, and other items shown on the design drawings are typically derived from as-built surveys, and municipal records. The as- built surveys and municipal records (prepared by professional engineers & land surveyors) have been assumed to be accurate for purposes of this design; however, the accuracy has not necessarily been field verified. Prior to beginning any construction the contractor shall field locate all items which have protective setbacks and verify that there are no encroachment concerns. Any encroachments, for which Page 2 of 7 AKWWC, Inc., Year 2001 waivers have not been granted, should immediately be brought to the attention of the property owner (or[ their representative) and the engineer. I The test hole pipes shall no__~t be removed/abandoned until after the engineer has established their location relative the new drainfield during the first inspection of the drainfield installation or during the pre- construction layout. The new drainfield/s must be within a 30 foot radius of the test hole/s used for establishing the design criteria. The contractor should establish the elevation of all existing and proposed system components prior to starting construction so as to insure that the necessary grades can be maintained. This is particularly significant when the elevation of the existing system components is unknown because clean-outs are not present, buried, or non-functional (can't measure down them because of obstructions). It is recognized that conditions can be discovered that will materially change the design and the construction costs. 2. DISCREPANCIES BETWEEN DESIGN DRAWINGS AND SPECIFICATIONS: Construction shall be in accordance with the approved site plan and design drawings, and any special provisions noted on the municipal sewer permit. The contractor is responsible for notifying the engineer of any discrepancies noted on the design plans or drawings, prior to starting work. 3. CHECK GROUNDWATER LEVELS IN TEST HOLE MONITORING TUBES: Prior to beginning construction, the contractor shall check the liquid level in the test hole monitoring tubes to ensure that there has been no change in the groundwater levels that would impact the proposed design. Any rise in the liquid level should be brought to the attention of the engineer so that design changes can be made if necessary. 4. MAXIMUM DEPTH OF DRAINFIELDS: The maximum depth of the drainfield is shown on the design drawings or is noted in the narrative portion of the design package. The contractor shall notify the engineer of any inconsistencies noted in the design package. For purposes of this installation, the maximum depth of the drainfteld will be based upon taking a measurement at the deepest part of the excavation between the highest ground elevation encountered (usually on the uphill side of the excavation) and the bottom of the trench or bed excavation. The contractor shall exercise caution not to remove evidence of the original grade prior to establishment of the total system depth. In short, don't remove the organic layer until after the original grade elevations are established by the inspecting engineer. 5. SUITABILITY OF MATERIALS USED FOR CONSTRUCTION. The contractor shall ensure that all materials being used are in compliance with the most current guidelines established by the Municipality of Anchorage. This includes, but is not limited to, the following: a. Drainrock b. Sand filter material for conventional beds, trenches, or mound systems. c. Sand filter material and pea gravel for Intermittent Sand Filters (ISF). d. Anchorage Sand and Gravel (AS&G) "block pea" material for Upflow Filters. It is recommended that the contractor provide the engineer with current sieve analysis' from the sand/gravel supplier to document the suitability of the material. The engineer assumes no responsibility for ensuring that the materials delivered meet the MOA requirements. 6. BURIAL RATING OF TANKS: The contractor shall ensure that the septic tank, lift station, or holding tank purchased has a burial depth rating suitable for the actual installation. 7. SEPTIC TANK AND STEP TANK SIZES: Prior to purchasing a septic tank or lift station the contractor shall verify that it is adequately sized for the number of bedrooms shown on the permit issued by MOA. The minimum septic tank size is 1000 gallons and the minimum STEP tank size is 1250 gallons. These size tanks will handle residences with up to 3 bedrooms. For each additional bedroom over three (3) the septic tank or the STEP tank volume shall be increased by a minimum of 250 gallons. For example, a four (4) bedroom residence must have a 1250 gallon septic tank or a 1500 gallon STEP tank. 8. INSPECTIONS - ENGINEER NOTIFICATION: The contractor shall notify the engineer at least 24 hours prior to starting construction. If deemed necessary, a pre-construction site visit shall take Page 3 of 7 AKWWC, Inc., Year 2001 place. The contractor shall coordinate with the engineer any inspections which will be required during weekends, holidays, or before/after normal working hours (8:00 am to 5:00 PM). The property owner may incur additional charges for inspections which do not occur during normal business hours. It is the contractor's responsibility to notify the engineer a least 2 hours prior to any inspection. 9. REGULATORY NON-COMPLIANCE. The contractor shall report to the engineer and the property owner any observed condition which would put the septic system in violation of State or Municipal regulations. 10. BACKFILL OLD TEST HOLES: Any remaining test hole excavations shall be filled and mounded as part of this project. Unless instructed otherwise by the engineer, the old test hole groundwater monitoring pipes shall be removed. 11. FINAL GRADING FOR DRAINAGE: The contractor is responsible for final grading so as to ensure that surface nmoff does not adversely effect the septic system constructed, adjacent septic systems, or adjacent stmctures. 12. SOIL COVER REQUIREMENTS: The contractor shall ensure that the £mal cover over the tank and drainfield is either compacted adequately when backfilling, or mounded sufficiently to ensure that there is adequate soil cover over the tank and drainfield after settlement occurs. If seasonal conditions prevent this, the properly owner (or his representative) shall be notified that additional fill may be required after settlement occurs. This notification is of extra significance when the property is changing ownership. 13. CHANGES IN CONSTRUCTION COSTS: The contractor is responsible for obtaining approval from the property owner for any additional construction costs associated with design modifications or changing field conditions prior to doing the work. 14. WORKING IN RIGHT-OF-WAYS AND TRESPASSING PRIVATE PROPERTY: The contractor is responsible for coordinating (including payment of encroachment pernait fees) all access through public and private properties with the appropriate authorities and/or property owners. Furthermore, the contractor shall inform all parties of any potential impacts to adjacent properties prior to beginning any construction. 15. MAINTENANCE & OPERATIONS MANUALS: The contractor shall provide the homeowner with the manufacturer's installation/maintenance manuals for all system components installed under this contract. If not given directly to the property owner, the manuals should be enclosed in a protective cover (plastic bag) and placed/secured in a prominent location so the property owner can fred it. 16. INNOVATIVE SEPTIC SYSTEMS. START-UP INSPECTIONS: The contractor shall notify Anchorage Tank & Welding Company (272-3543) after the installation of an Intermittent Sand Filter kit or Advantex system (supplied by Anchorage Tank) is installed so that the appropriate start-up inspection can be scheduled. This notification also activates the quarterly maintenance schedule. Such notification is usually not required for BioCycle installations since "BioCycle of Alaska" is typically involved with the installation. The contractor shall contact BioCycle of Alaska (283-9003) regarding any start-up notification requirements. · Well Driller Responsibilities: 1. The well driller shall ensure that he has a well permit in possession prior to drilling the well. 2. The well driller shall physically verify that the there are no septic systems, or other potential sources of contamination, within the protective radius of the proposed well prior to drilling it. · Engineer Responsibilities: 1. SYSTEM DOCUMENTATION: The engineer is responsible for inspecting the installation of the septic system and preparing as-built documentation, to the satisfaction of the M.O.A.. Inspections are performed as necessary to document the constnaction of the system to the satisfaction of the M.O.A. In all cases, inspections shall be performed as necessary to establish the following: * The original grades at the drainfield/s site * The bottom of all trencbgbed excavation * Top of sand on all sand filters * Top of drainpipe * Septic tank, or lift station, or holding tank prior to backfill * Placement of filter fabric and insulation Page 4 of 7 * After final grading is completed AKWWC, Inc., Year 2001 2. LIMITED AUTHORITY: The inspecting engineer has no direct authority over the contractors activities or construction/safety practices. Should the engineer identify conditions which dictate a design change, he or she will recommend that work be stopped, and/or the design be modified. If design modifications are necessary, the engineer shall notify the property owner or his/her representative. The inspecting engineer does not have the authority to direct the contractor to modify the system design in such a way that it would be in violation of State or MOA regulations. 3. SEPTIC TANK INTEGRITY: The engineer shall inspect the condition of the existing septic tank and determining its suitability for re-use. If the engineer determines the septic tank to be structurally unsound, it must be replaced. 4. COORDINATION OF DESIGN CHANGES WITH THE MOA: If design changes are necessary, the engineer will coordinate the approval of the changes with the MOA. The contractor does not have the authority to proceed with any design modifications until verbal or written approval is obtained from the MOA. 5. COORDINATION OF WAIVERS: If, during construction, it is determined that a waiver will be required in order to install the system as designed, the engineer will apply for the necessary waiver/s to the appropriate State or MOA regulatory bodies. The engineering services and State/MOA fees associated with such waivers will be additional charges to the property owner, over and above the installation inspection fees charged by AKWWC, Inc. SECTION IV. CONSTRUCTION GUIDELINES: Construction shall be in accordance with the approved site plan and design drawings and any special provisions noted on the municipal well and/or sewer permit. All materials, components, workmanship, and construction practices shall comply with the Municipality of Anchorage's latest ordinances regarding wells and septic systems, as well as DSD policies. The failure of the inspecting engineer to notice a material or construction non-compliance does not relieve the contractor of his/her responsibility to correct such a deficiency. · Septic Tank, Holding Tank, or Lift Station Installation: 1. The burial rating of the tank shall be adequate for the actual burial depth encountered. 2. The tank shall be level and sufficiently bedded to prevent settling or shifting of the tank. 3. All standpipes on the tank shall extend a minimum of 12 inches above final grade. 4. Tanks installed with less than 4 feet of cover shall be insulated. See "Contractor Responsibilities", paragraph 12 regarding £mal soil cover. 5. The sewer service line from the house to the tank shall be sloped a minimum of 1/4" per foot, unless prior approval is obtained from the engineer. 6. The inlet and outlet lines from the tank shall be bedded in drainrock or the soil shall be adequately compacted to prevent future settlement of the soil. 7. A foundation clean-out will be installed ( 14 feet from the house) if one does not currently exist. 8. Post tank clean-outs shall be installed per MOA requirements. Does not apply to holding tanks or lift stations with pressurized lines. 9. In high groundwater areas, all tanks shall be anchored to resist buoyancy forces when there is not adequate soil cover to resist the uplift force. The engineer shall make this determination. 10. The final soil cover shall be graded so that there is positive drainage away from tank. 11. All holding tanks and lift stations shall have an audible and visible alarm inside the residence, 12. All lift stations shall be wired in compliance with all MOA guidelines and the Uniform Electrical Code. A municipal electrical permit and inspections must be obtained in areas where required by the Municipality of Anchorage. 13. The contractor shall remove the old tank, or abandon it in compliance with the Uniform Plumbing Code (UPC). The contractor is solely responsible for the abandonment procedure. 14. ISF AND ADVANTEX INSTALLATIONS: The control panel for the Intermittent Sand Filter and Advantex systems shall be located outside the residence, for easy access during inspections. A Page 5 of 7 AKI~WC, Inc., Year2001 remote alarm must be installed inside the residence as per DSD requirements. Mounting the panel directly to an exterior wood wall should be avoided because the closing of the relays creates a "clanking" noise that may be offensive to the property owners. 15. ISF INSTALLATIONS: The air compressor shall be equipped with 0 to 10 psi gauge for the purpose of monitoring air flow to the sand filter. The pressure gauge will be located so that it is easily monitored by the property owner. Installation of Conventional Absorption Bed & Trenches: 1. Excavate the proposed bed/trench to the dimensions shown on the design. The bottom of the excavation shall be within 2 inches of level (2 inch maximum variation between high and low spots). If the sidewalls or bottom of the excavation become smeared, they must be raked or scarified before placement of the filter sand or clrainrock. 2. The trench or bed should be at least 5 feet from the test hole excavation. 3. All soil tests and excavation depths are advisory to the design and are to be verified in the field by the engineer. If design changes are necessary, and the changes effect the contractor charges to the property owner, the contractor shall obtain approval from the property owner prior to proceeding with the work. 4. Once the dra/urock is installed, the distribution pipe is to be placed level (0.02 feet difference between high and low shots) with the perforations faced downward. Draiurock is then to be placed over the distribution pipe, to provide a minimum of 2 inches of cover over the pipe. The drainrock shall not be pyramided over the drainpipe but shall be the same elevation over the entire trench/bed width. 5. A silt barrier mnst be installed between the final drainrock layer and the native soil backfill. The silt barrier shall cover the entire drainrock surface. 6. Monitor tubes shall be installed at the locations shown on the design drawings, and extend a minimmn of 12 inches above final grade. The portion of the monitoring tube extending through the draiurock shall be perforated from the bottom of the trench/bed to the invert of the distribution pipe. 7. Backfill over the £mal drainrock layer must not be less than 2 feet. Insulation must be installed when the backfill depth is less than 3 feet. The insulation shall cover the entire width of the treneM0ed, the contractor shall "shoot" the final grades to ensure cover depth is adequate, prior to notifying the engineer that the work is complete. The final cover over the drainfield must graded so that there is no potential for ~vater to pond over the trenctgdrainfield. See "Contractor Responsibilities", paragraph 12 regarding final soil cover. 8. If an alternator valve was installed with this design the contractor shall provide a functional valve key to[ the property owner. SECTION V: DISCLAIMERS · UNFORESEEABLE SITE CONDITIONS: The design of this septic system, prepared by AKWWC, Inc., was based upon a limited evaluation of the soil, groundwater, and site conditions. The extent of the evaluation is consistent with standard engineering practice in the field. Furthermore, this design was evaluated and approved by the engineers or technicians on staff at the Municipality of Anchorage, DSD, based upon the information provided to them. Occasionally, during construction, unforeseeable subsurface conditions (high groundwater, poor soils, buried debris,....) are encountered that make the proposed installation not feasible. In such cases it is typically necessary to do more soils testing, groundwater monitoring, and design work. These additional engineering services will be performed on a fee basis at an hourly rate. AKWWC, Inc. will obtain verbal authorization from the property owner (or his/her representative) prior to proceeding with the work, and will provide a written est/mate if requested. The property owner should discuss with the contractor any changes in the installation cost associated with the design changes. · IF THE PROPERTY BEING SOLD AND FUNDS ESCROWED FOR THE UPGRADE, it is important to bear in mind that the ability to upgrade the septic system on this propen'y is not 100% certain (for the reasons stated in the previous paragraph). There is always the possibility that conditions could be encountered that would prevent the installation of anything other than a holding tank. Although such a situation would be rare, it is/mportant that all parties recognize that such a Page 6 of ? AKI~VWC, Inc., Year 2001 scenario is possible. SEPTIC SYSTEM PERFORMANCE: The design of this septic system is based upon limited softs testing, groundwater monitoring, and a visual assessment. It is possible that the actual soil conditions are less favorable then the testing data indicated and that adverse, unforeseeable, changes in the surface/subsurface water conditions could impact the performance of the system. Numerous other factors, out of the control AKWWC, Inc., may adversely effect the long term performance of the system. Such factors include, but are not limited to, excessive number of residents in the house, plumbing leaks, the use of septic system additives, failure to pump septic tank regularly, failure to alternate drainfields (when this is an option), or/and excessive use of water. Given these variables, it is not possible to warrantee the performance of a septic system. By proceeding forward with this installation, the Engineer, Well Driller, Contractor, and Property Owner agree that they have read these specifications and agree to accept the terms and conditions outlined in them. NOTE: Additional charges for inspections will apply. A final invoice will be issued once all work is complete for inspections and documentation as required by the M.O.A. Please refer to the following estimated inspection costs: I. Conventional septic system with a single trench/bed, no sand filter: $525.00 2. Conventional septic system with a single trench/bed, sand filter: $650.00 3. Conventional septic system, dual trenches, no sand filter: $775.00 4. Conventional septic system, dual trenches, sand filters: $950.00 5. Alternative Technology septic systems: $1000.00 6. Lined Intermittent Sand Filter with secondary drainfield: $1500.00 Page 7 of 7