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HomeMy WebLinkAboutCLOGIA LOT 1 & LT 2¢logia Lots #014-095-34 Municipality of Anchorage P.O. Box 196650 · 4700 Elmore Road Anchoraqe, Alaska 99519-6650 · (907) 343-7904 · Fax (907) 343-7997 http:/Iwww.rn,,ni.orq/Oneits Development Services Division On-Site Water and Wastewater Program · ;~en t ~9 Department **** VARIANCE/WAIVER REVIEW **** Waiverg: OSP141371 COSA#: PID#: 0t4-095-34 Legal Description: CloqJa, Lots 1 & 2 Engineer: Anderson Engineering Permit#: Applicant: Kove'./Stewart Yom' request for a waiver of the required 75 feet horizontal separation from the public sewer trunk to the private well has been approved. The approved separation distance is 56.0 feet. This waiver approval applies to the proposed public sewer trunk heading north out of the existing manhole only. Any future upgrade to the on-site wastewater disposal system will require all separation distmaces be met or m~other approval from this department. [] The affected adjacent property owner(s) have been given a 7 day notice regarding this waiver. [] Notarized letter(s) of non-objection have been received from the owner(s) of the affected adjacent property. [] Adjacent properties are not affected by this waiver. Waiver is Granted: X~ Waiver is not Gra,,~ Date' ~///~//~/ Approved b/y~//'~ ' ......... ,..t. .............................. ~__ _ _I I Name of, R,e,,2e, w,e,r .................. IVIUNICIPALITY OF ANCHORAGE Community Development Department Development Services Division On-Site Water & Wastewater Program ~ Phone:907-343-7904 Fax:907-343~7997 ON-SITE SEWER/WELL PERMIT APPLICATION Parcel I.D. Property owner(s) Mailing address Site address Day phone Legal description (Sub'd., Block & Lot) Legal description (Township, Range & Section) Lot Size /~ 5'¢'O Sq. Ft. Number of Bedrooms APPLICATION IS FOR: ([:~] all that apply) Absorption Field [] Septic Tank [] Holding Tank [] Privy [] Private Well [] Water Storage [] APPLICATION IS AN: Initial [] Upgrade [] Renewal [] TYPE OF DWELLING: Single Family (SF) [] (w/wo ADU) Duplex (D) [] Multiple Dwellings [] (SF and/or D) THIS APPLICATION INCLUDES A VARIANCE / WAIVER REQUEST FOR: f~C.t~'t-L 'f o --~%~-~ ~'-f'~ ~14-d'~ Distance: ..~'g I certify that the above information is correct. I further certify that this is in accordance with applicable Municipal Codes. (Signature of property owner or authorized a~ent) Permit/Rush Fees: Date of Payment: Receipt Number: Permit No. Waiver Fees: Date of Payment: Receipt Number: Waiver No. Permit App_9-1-12.doc ANDERSON ENGINEERING 522-7773 677-7766 (FAXI September 2, 2014 Municipality of Anchorage Development Services Department On-Site Water and Wastewater Program 4700 Elmore Road Anchorage, AK 99519-6650 Attention: On Site Services Engineer Subject: Lot 2, Clogia Subdivision Well to Proposed Sewer Main Waiver Dear On Site Services Engineer: The sewer main in Clogia Circle is proposed for extension to the north in the near future. It will be constructed approximately 56' at its nearest point form the private well on Lot 2, CIogia Subdivision. A waiver is already in place for the existing manhole as issued by ADEC in 1997. This waiver also includes the sewer main to the west out of the manhole. We are requesting a waiver be issued to the sewer main proposed to be placed north from the manhole. The sewer main will be constructed of 8" C900 SDR18 PVC. The wall thickness of the pipe is .503", The line is pressure rated and constructed in accordance with manufacturer's recommendations. The chances of leakage are remote, but as a preventive measure all joints within the 100' separation distance from the well will be shrink wrapped. The main will be placed approximately 16' lower than the ground surface at the well head. The ADEC waiver is attached for your review along with the manufacturer's data on the pipe. We hereby request your waiver allowing the sewer main to be 52' from the well at its closest location, Sincerely, Michael E. Anderson, Attachments 21+00 }TING CLOGIA CiR ETA CONNECT TO' E~?S17NG_ MANHOLE- I h ~ WA TER WEL~L / ',. .... ~----~00 FOOT PROTECT/~ RADIUS Anode Location Table (ASB) / t*~ SO t STA Of Side of Anode Mein STA Of Side of Anode Main DEPT. OF ENVIRONMENTAL CONSERVATION DIVISION OF ENVIRONMENTAL HEALTH DRINKING WATER PROGRAM 555 CORDOVA STREET ANCHORAGE, AK 99501 http ://www.state.ak.us/dec/home/htm )TONY KNOWLES, GOVERNOR Telephone: (907)269-7696 Fax: (907) 269-7655 October 31, 1997 RECEIVED Mr. Kenneth G. Lang, R.L.S. 1731 George Bell Circle Anchorage, Alaska 99515-3957 NOV 10 199'/' Municipality of Anchorage Dept. Health & Human Services Subject: Clairmont Subdivision: Separation Distance Waiver between Private Well on Lot 2, Clogia Subdivision and Sewer Collection Line for Clairmont Subdivision; ADEC Plan Review Number: 9821-WV-212-010; Review Dear Mr. Lang: I have reviewed information provided by Anchorage Water & Wastewater Utility (AWWU), Engineering Division which was submitted in response to items found in my September 24, 1997 letter. Based on this review and have found that the submitted waiver request justifiable. Therefore, in accordance with the provisions of State Drinking Water and Wastewater Regulations (18 AAC 80.030 and 18 AAC 72.015), the following separation distances are granted: Between the existing private source well located on Lot 2, Clogia Subdivision and the sewer line from 100 feet to 55 feet at the closest point. Between the existing private source well located on Lot 2, Clogia Subdivision and the manhole (C-7 on the submitted plans) from 100 feet to 55 feet. These waivers are valid if the following requirements are met before AWWU accepts the sewer line for service: The existing manhole C-7 be modified as shown on plans submitted to this office with your July 31, 1997 submittal. The existing sewer line within the protective radius will be exposed and any joints be secured with field lock fittings, as also shown on plans submitted to this office with your July 31, 1997 submittal. Mr. Kenneth G. Lang, R.L.S. 2 October 31, 1997 This approval does not imply the granting of additional authorizations, nor obligate any federal, state, or local regulatory body to grant required authorizations. Thank your for your cooperation with this Department. If you have any questions, please contact me.' Keven K Kleweno, P.E. Environmental Engineer KKK/cf cc: Wayne Bennett, AWWU Jim Cross, P.E.; DHHS PWEagle Physical Requirements for AVCVCA C900 Pipe Material: Pips compound shall meet cell class 12454 per ASTM D1784 "Standard Specification for Polyvinyl Chloride (PVC) Compounds and Chlorinated Polyvinyl Chloride (CPVC) Compounds." Standard Laying Lengths: Standard laying lengths shall be 20 ft. (+1 ") for all sizes, Hydrostatic Test: Each length of pipe, including the joint, shall be tested to four times the pressure class of the pipe fora minimum of 5 seconds at the pressure listed in the table below. PC 100 DR25 400 PC 150 DR18 600 Ds PC 200 DR14 800 psi Quick Burst Test: Rat aomu selec~ea sameles tested in accordance wl~n ASTM D1599 snail w~ns~:and ir s oressures rate(:] oelow wnen aDol/ec n 60 to 70 seconcis, PC 100 DR25 535 psi PC 150 DR18 755 ~3si PC 200 DR14 985 psi Pipe Stiffness (F/Ay): The pipe stiffness for PVC Munlcioal Water P'De Is listed in the table oelow, DR25 129 psi DR18 364 psi DR14 815 psi ~: Agency Listings: Underwriter's Laboratory (UL) Factory Mutual (FM) ANSI/NSF 61 Short Form Specification for [~¢""~A C900 Scope: This specification designates general requirements for Polwinyl Chloride (PVC) water distribution pipe in sizes 4-inch through 12-inch, with integral bell and spigot joints for the conveyance of water and other liquids, Pipe: Pipe shall meet the require- ments of AWWA C900 "Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 4-Inch through 12-Inch, for Wafer Distribution." Other Requirements: · Provisions must be made for ex- pansion and contraction at each joint with an elastomeric seal, · The bell shall consist of an integral thickened wall section with an elas- tomeric seal. The wall thickness in the boll section shall conform to the requirements of Section 6.2 of ASTM D3f 39, "Standard Specification for Joint for Plastic Pressure Pipes Using Flexible Elastomeric Seals." · When used for potable water systems, pipe shall meet the re- quirements of ANSI/NSF 61 "Drink- ing Water System Components -- Health Effects." · The pipe shall be manufactured to cast iron outside diameters (CLOD) in accordance with AVVWA 0900. · The seal shall meet the requirement of ASTM F477 "Standard for Bas- tomeric Seals (Gaskets) for Joining Plastic Pipe." Physical Requirements for AVTWA C905 Material: Pipe compound shall meet cell class 12454 per ASTM D1784 "Standard Specification for Polyvinyl Chloride (PVC) Compounds and Chlorinated Polyvinyl Chloride (CPVC) Compounds." Standard Laying Lengths: Standard laying lengths shall be 20 ft. (_+1 ") for all sizes. Hydrostatic Test: Each length of pipe, including the joint, shall be tested to two times the pressure rating of the pipe for a minimum of 5 seconds at the pressure listed in the table below. PR 235 DR18 I 470 psi Agency Listing: ANSI/NSF 61 Short Form Specification for ~VFVFA C905 Pipe Scope: This specification designates general requirements for Polyvinyl Chloride (PVC) water transmission and distribution pipe in sizes 14-inch through 24-inch, with integral bell and spigot ioints for the conveyance of water and other liquids, Pipe: Pipe shall meet the require- ments of AWWA C905 "Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 14-inch through 48-inch, for Water Transmission and Distribution". Other Requirements: · Provisions must be made for ex- pansion and contraction at each ioint with an etastomeric seal, · The bell shall consist of an integral thickened wall section with an etas- tomeric seal. The wail thickness in the bell section shall conform to the requirements of Section 6,2 of ASTM D3139, "Standard Specification for Joint for Plastic Pressure Pipes Using Flexible EtastomerJc Seals." · When used for potable water systems, pipe shall meet the re- quirements of ANSi/NSF 61 "Drink- ing Water System Components -- Health Effects." · The pipe shall be manufactured to cast iron outside diameters (CLOD) in accordance with AWWA C905. · The seal shall meet the require- ments of ASTM F477 "Standard for Elastomeric Seals (Gaskets) for Join- ing Plastic Pipe," The Sealing System PW Eagle's ioints employ gasket systems that have excellent track records in the field. The ioining systems are factory-made with rubber gaskets installed in the ring groove at the time of manufacture, The gaskets are designed to retain in the ring groove. When assembly technique is consistent with PW Eagle instructions, the secured gasket systems will not displace. The gaskets are classified to ANSI/ NSF Standard 61. Cross-Sectional Views The following drawings show the cross-sectional views of the pipe before and after assembly. When the pipes are pushed together the rubber in the seal is compressed, Compression gives rise to a sealing pressure that acts on the socket and spigot as shown in the illustration below. Gasket in place. Gasket after pipe joining. Sealing Pressur( NOTE: Gasket drawings are representations. Actual gaskets may vary from drawings Installation Advantages of the PW Eagle Joint The gasket is factory installed, so there are no gaskets to install on the job site. This avoids the possibility of installing the wrong gasket or improperly installing the correct gasket, The installer should leave the factory-installed gasket in place and simply follow PW Eagle Joint Assembly instructions for problem- free joint performance. Installation Standard AVWVA C900 and C905 pipe should be installed in accordance with AVWVA C605 "Underground Installation of Polyvinyl Chloride (PVC) Pressure Pipe and Fittings for Water." Joint Assembly PW Eagle's C900 and C905 pipe will arrive on the job site with the gasket installed at the factory, ready for assembly. Assemble as follows: 1. Inspect the bell and remove any foreign matter such as mud, sand or ice. DO NOT REMOVE THE GASKET FROM THE PIPE. 2, Clean off the spigot end of the pipe and apply lubricant evenly, covering the beveled nose and sealing surface up to the stop mark. NOTE: Use only lubricant supplied by PW Eagle -the use of other lubricants may cause deterioration of pipe or gasket. 3. Place the beveled end in the companion bell and provide straight alignment. 4. Push the pipe straight into the bell with a block and bar until the stop mark on the spigot is even with the end of the bell. 5, NOTE: DO NOT ASSEMBLE THE JOINT BY SWINGING OR STABBING. 6. NOTE: For larger sizes of pipe, additional mechanical assistance (such as a come-along or hydraulic jack). DO NOT ASSEMBLE THE JOINT USING A BACKHOE BUCKET. 7. Allowable axial deflection at the joint varies with each manufacturer's design, For PW Eagle products, allowable deflection is two degrees. For more information, see PW Eagle's technical bulletin "Gasketed Pipe Assembly," Gasketed AWWA C900 & C905 Transmission & Dibtribution pipe is the clear choice for municipal applications. Tapping PVC - C900 PW Eagle's C900 and C905 pipe may be tapped either dry or under pressure, There are three b/pes of tapping equipment and methods, 1. Direct Tapping The onty pipes that may be direct- tapped are C900 DR14 and DR18 in sizes 6-inch through 12-inch, When direct tapping, follow the procedures in Uni-Bell's Uni-B-8 "Recommended Practice for the Direct Tapping of Poiyvinyl Chloride (PVC) Pressure Water Pipe." 2, Saddle Tapping All sizes and DRs of C900 and C905 may be saddle-tapped. Maximum tap size is 2 inches for saddles. Service clamps or saddles used with PVC pipe must: a. be designed for use with ClOD PVC pipe b, provide full support around the circumference of the pipe c, provide bearing area of sufficient width along the axis of the pipe (minimum 2-inch width for taps up to 1 inch diameter; minimum 3-inch width for taps 11/4 to 2 inch diameter) 3. Tapping Sleeve or Valve All sizes and DRs of C900 and C905 may be tapped using a tapping sleeve or valve. For connections greater than 2 inches in diameter, this method is required, Maximum connection is size-on-size. V - For field cuts, drew a stop mark (line "V") by subtracting 5/8" from bell length "C". WARNING: Do not use PVC pipe to con- vey air or other gases under pressure. If failure should occur, the result would be catastrophic. Rapid expansion of the compressed gas would send shards of plastic over a wide area and could result in serious injury or death. Nominal Average Approx Min Wall Min Bell Approx Approx Approx Pipe Size DR Pipe OD Pipe ID Thickness (t) Thickness (tl} Bell OD Weight Weight (inches) [inches) (inches} (inches} (inches) (inches) (Ibs/l 0Oft) fibs/pc) 4 25 :4.80: 4.42:192 207 6% 196: : 38 4 18 4.80 4.27 .267 .298 67/~ 260 52 6 25 6.90 6.35 .276 ,300 9~ 390 78 6 14 6.90 5.91 .493 .567 9'/z 670 134 6 ; 25 ;:;; :.395 8 18 9.05 8.04 .503 .562 12% 910 182 8 ;005 : 1743 Ll~Va 10 25 11.10 10.21 =444 ,483 147/~ 1010 202 10 14 11,1 g 9.51 .793 .912 14% 1730 346 12 18 13.20 11.73 .733 .820 17~/~ 1940 888 14 25 15.30 14.08 .612 .666 19V~ 1890 378 16 25 17.40 16.01 .696 ,760 21% 2470 494 16 i8 ;;i7.40 '15.47; ; ;; .967 i;095 18 25 19,50 17,83 .780 .852 24% 3110 622 29 25 2t .60 19.75 ,864 .943 26% 3840 766 24 25 25.80 23.59 1.032 1,127 31% 5440 1088 Customer Service Centers Oregon 800-347-0200 Missouri 800-341-0053 Fax 541-686-9257 Fax 573-474-1760 West Virginia 800-624-3111 ~¢;~ Fax 304-472-0742 PWEagle ,.0. Box lO049, Eugene, OR 97440. (800)347-02~0 · [541)343-0200, FAX (541/8~8-g9~?, www. pweagieinc.com