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Home My WebLink AboutCorrespondence - 114 MARIAN DRIVE 12/16/2003 Page 1 of 1 ueile hiaie, Pamela From: Dan O tenheimer[info @millriverconsulting.com] ra Sent: Tuesday, December 16, 2003 11:25 AM To: Heidi Griffin; Chian LaGrasse; Pamela Dellechiaie Subject: 114 Marian Drive Fief .elf, f rlan c:°rnd f:larn Att(-Iched please find the p f for h properly at l f cricn f rd\ ( :)r �1 Whole A,")casf of' reasons c r Ad nol ap .a � tf�f� � 7 �r e , ac fn el fie(.,orCe freef."(is they nindic indicated or) �arf of he plan), a c.,cac::f s a�.:�rrvf for the r�� .... it is r)of ea�i�.�9fiv4w. Sicly warm, Dan Daniel Offenheirner, President Ill River Consulting 5 Bl ckL)urn Cc:nler Gloucester-, MA 0 1930-2259 978-282-0014 or J-800-377-3044 tax: 978-282-0012 w\/,," ✓.4'11�kciP��rC�°:� ;N 12/1 6/2003 TOWN OF NORTH ANDOVER Office of COMMUNITY DEVELOPMENT AND SERVICES HEALTH DEPARTMENT 27 CHARLES STREET T IORTI I AT`DOVER, MASSAC,HUSET'1 S 01845 �'s�ACH„��z`� Heidi Griffin 978.688.9540—Phone Acting Health Director 978.688.95 ,1,,1'-1- A1 p �i December 16, 2003 ` Clayton Morin, P.E. Engineering& Surveying Services, Inc. 70 Bailey Court Haverhill, MA 01832 Re: 114 Marian Drive, Map 107C, Lot 54 Dear Mr. Morin: The proposed septic system design plans for the above site dated October 25, 2003 and received on November 26, 2003 have been reviewed. Unfortunately, the plans cannot be approved as submitted. The following items are in need of attention prior to approval: 1. Please indicate the correct street name on the design plan. 2. Please indicate the location and elevation of the foundation drain, if present. (NA 8.02) 3. Please provide a completed Massachusetts Department of Environmental Protection (DEP)Form 11 and 12 for the site evaluation performed by Greg Saab. '4. Please request a variance from North Andover Board of Health Regulations for the .l placement of the septic tank within 5' of the porch. 5. Please specify the building sewer pipe diameter and that it is to be laid in a continuous V' " grade. (3 10 CMR 15.222) 6. Please indicate the inlet and outlet tees of the septic tank are to be placed on the center line of the tank. (3 10 CMR 15.227 7: Please provide buoyancy calculations for the septic tank to determine if it will remain stable in the ground. (3 10 CMR 15.221) Please provide a minimum of 9" of cover over the septic tank. (3 10 CMR 15.228) Please specify the outlet pipes from the distribution box are to be laid level for the first 2'. (3 10 CMR 15.232) 10. Since the distribution box is proposed to be placed in fill material, please specify compaction of the soil beneath. (3 10 CMR 15.221) 11. Please specify that the distribution box is to be watertight. (3 10 CMR 15.221) 12. The design includes a Local Upgrade Approval request to reduce the separation from the bottom of the soil absorption system to the estimated seasonal high ground water from the required 4' to 3'. Several sections of Title 5 do not allow this request to be n granted including 310 CMR 15.401 and 404(1)which indicates that whenever feasible a design should maintain full compliance with the standards in the regulations. While the concern stated in the cover letter from J. Whyman Construction regarding pumping to the soil absorption system has legitimacy, it cannot displace the regulatory requirement to maintain full compliance with the code whenever feasible. Additionally, please note the requirement to include DEP form 9A with all requests for Local Upgrade Approval. 1.3. Please indicate the requirement for the final grade over the soil absorption system to be a minimum of 2% slope. (3 10 CMR 15.240) 14. Soil data indicates the most restrictive soil type found was a Sandy Loam while the ` percolation test was performed in the less restricti�,e Loamy Sand)Please contact the l � office to re-schedule the percolation test in the most restrictive soil horizon, or request a variance from the regulations. 15. Please indicate that removal of the A soil horizon shall extend at least 6" into the suitable soil of the B horizon. (NA 9.02) 16. Please depict the curb stop on the design plan to more accurately depict the likely water line location. This will help minimize construction or permitting problems which might arise during the construction phase. 17. Please consider placing the leach trenches parallel to the contour line rather than perpendicular. (3 10 CMR 15.251) 18. Please explain why a pump chamber is specified on some parts of the design plan but not on other portions. 19. Please provide a swale to divert surface runoff where the toe of slope around the leach area is less than 5' from the property line. (3 10 CMR 255(2)) 20. Please provide the construction detail for the system vent you are proposing which coincides with the operation of the Infiltrator-brand gravelless chambers. Please feel free to contact the office with any questions you may have. We look forward to working with you to obtain a replacement septic system which will be in compliance with all regulations and assure protection of public health and the environment of North Andover. 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