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Home My WebLink AboutCorrespondence - 80 PATTON LANE 1/4/2005 Environmental JAMES M.KAVANAUGH,P.E. ®Engineering Consultant. 14 Shady Hill Drive * Septic System Designs North Reading,MA 01864 ® Construction Services Tel./Fax(978)664-2925 ® Custom Home Builder January 4, 2005 t Board of Health Town of N. Andover 27 Charles Street N. Andover, MA 01845 Att: Susan Sawyer Re: Septic System Design 80 Patton Lane Ms. Sawyer: Please find enclosed a copy of the buoyancy calculations for the above referenced project. The calculations demonstrate that no additional flotation provisions are required. If you have any question please do not hesitate to contact me at(978)664-2925. Sincerely, JaAi es M. Kavanaugh, P.E. JA N r 1 -1lTMl ,l j / is � � �• er— f��; —__. r av �r, TOWN 01�' �40RTII AN[)0V1P,1t Oflric(U SERVI(1,S HEALTH DE3"Al"I"I'MENT 400 0S(R)oi) s'rRi,.F,r NOR"TH ANDOW-A, MASSAC'H(JSL.'TTS M,84�5 Susan V. Sawyer, RUIVIS/RS 979,004 9540- 1111onc Foblic Health Dircoor 978,689,9542 FAX', December 6, 2004 James M. Kavanaugh, P.E. Environmental Consultant 14 Shady Hill Drive N. Reading, MA 01864 Re: 80 Patton Lane, Map 106X Lot 0 167 Dear Mr. Kavanaugh: The proposed septic system design plans for the above site dated October 22, 2004 and received on November 17, 2004 has been reviewed. Unfortunately, it cannot be approved until the following items are corrected. Each item is followed by the specific section in Title 5: 310 CMR 15.000, or North Andover regulations which is not met by this design. Please provide the location and elevation of the foundation drain. If there is no drain, please make a statement to that effect on the plan. (NA 8.02y) �-2:" The scale(1"=201)is not stated on the site plan. -220(4) The soil test data should also state the name of the witness to the soil evaluation: "Leslie Whelan". -220(4)(h)&(i) Some of the legal boundaries of the property are missing from the plan, -220(4)(a) �,/5. The site plan is missing the distances from the septic tank to the property line and from the soil absorption system to the dwelling. -8.02z 6. , A note is required stating the building sewer shall be laid on a compact, firm base, and on a continuous grade, in a straight line. (3 10 CMR 15.222(5)&(7)) Please sp,6 cify that if the existing tank is to remain, it must be inspected by a Title 5 inspector and certification provided to the Board of Health that the tank meets the following criteria: a. the tank is watertight /b. 2-3" drop from inlet to outlet, (310 CMR 15.227(5)) c. minimum of 4'liquid depth. (3 10 CMR 15,223(2)) d. there is 9" minimum and 36" maximum of cover material over the tank(3 10 CMR 15.221(7) and 228(1)) e. the tank has a loading of H-10 (3 10 CMR 15.226(3)) "5. Additionally, if the existing tank is to remain, please specify that the tees and manhole risers are to comply with Title 5: a.) The inlet tee to the septic tank must extend 10" minimum below the flow line and the outlet tee must extend 14" below the flow line. (3 10 CMR 15.227(6)) ro b.) Tees must extend 6" above the flow line. (3 10 CMR 15.227(l)) c.) Tees must have 3" air space above them. (3 10 CMR 15227(4)) d-) One manhole must be brought to within 6" of final grade. If the cover is located at grade, it must be secured to prevent unauthorized access. (3 10 CMR 15.228(2)) e.) The inlet and outlet tees must be located directly under the manholes. (3 10 CMR 15.227(l)) If a the septic tank is to be replaced, the plan should provide: a.)buoyancy calculations for the septic tank. Regarding Note 13, if a pad is needed, please provide specs. -221(8) b. a minimum liquid depth of 4 . -223(2) c. a description of the proper method to abandon the existing septic tank(or reference to the section of the code). -354 7. Regarding the effluent filter, Note#11 should provide a filter maintenance schedule. Also, the filter type/name should be noted on the manhole cover. U/S. A notation is needed regarding the d-box outlets. The elevations must all be the same, and the pipes must be level for 2' after the d-box. -232(3)(b) & (c) 9. A notation is needed regarding the d-box being watertight. Note number 10 should include d-box. -221(1) 10. Please specify the proper size (< 1-1/2") for stone that is to be used beneath the distribution box. —221(2) 11. Before construction begins on the system, a minimum of one deep hole in the vicinity of the leaching field will be required to determine that the soils are consistent with those found in the design. If soil is determined to be less pervious than the design, construction will be halted and a new design will have to be submitted, --- 102(2) 11 A written request to be on the agenda of the Board of Health meeting for the local variances must be submitted. The reduction to ground water must be explained in detail. If approved a draft 4-bedroom deed restriction must be submitted prior to approval. Please feel free to contact the office with any questions you may have. We look forward to working with you to obtain a septic system which will be in compliance with all regulations and assure protection of public health and the environment of North Andover. Sincerely an"Y. Sawyer, REHS/R" S Public Health Director cc: Owner File Environmental Consultant JAMES M.KAVANAUGH,P.E. ®Engineering Consultant 14 Shady Hill Drive ® Septic System Designs North Reading,MA 01864 ® Construction Services Tel./Fax(978)664-2925 .Custom Home Builder December 20, 2004 Board of Health Town of N. Andover 27 Charles Street N. Andover, MA 01845 Att: Susan Sawyer Re: Septic System Design 80 Patton Lane Ms. Sawyer: Please find enclosed 3 revised copies of a proposed plan for the upgrade of an existing septic system located at 80 Patton Lane, N. Andover. The revisions on the plan address items within your December 6, 2004 letter. Please contact me if you cannot locate or require further explanation any of the revisions to the plan. If you have any question please do not hesitate to contact me at (978)664-2925. Sincerely, ,l �l James M. Kavanaugh, P.E. E µ9RrH q 3�0`��o BOARD OF HEALTH F� A 120 MAIN STREET ��SSnc►+ �y NORTH ANDOVER, MASS. 01845 TEL. 682-6400 (30 lid �� t �7 l.v t(/1� � 7G'(U I l VJ TI/►� �JQC:, K� Gc �� '