HomeMy WebLinkAboutSeptic Denial Letter - Correspondence - 1060 SALEM STREET 7/15/2020 ofW, %�,�
Nlorth Andover Heallth Department
Community and Economic Development division
July 14, 2020
Seth l..,ajoie, R.S.
Seth E l,ajoie& associates
27 Becket Street;
Salem, MA 01970
Re: Subsurface Sewage Disposal Systern Plan for 1.060 ,Salern tr-eet (Map 1.06, Lot A 8)
Dear Mr. Lajoie:
'fhe proposed wastewater system design plan for the above site dated June 24, 2020 and received
on July 7, 2020. lias been reviewed, Unfortunately, the plan cannot be approved until the
following items are corrected, 'Fhe specific section in 'Title 5 3 10 C;Mit. 1.5,000,, or North
Andover regulation that is not caret by this design follows each item where applicable.
l. ']'he narrie and address of record owner (NA 3.2).
'Fhe design shall specify all components of systerrn model/brands, 'There is a pump carve
provided but no brand arrd model indicated. (Na 3.2).
3. Notation all concrete tanks <2500 gallons shall be monolithic (1"*1A 3,2).
4. Notation as to pipe laud on compact, firma base and on conriInuous parade in straight line
(310 CM R 15.222(5) & 222(7)).
5. 'flie design shall specify the effluent filter brand and model approved by DE"P. Provide a
copy of DE P approval for the filter.
Go- 'The ef'.fli.aent filter shall have a riser with manhole cover at grade and air annual filter
maintenance specified (31.0 CpM 1.5.227(7)).
7. 'Fhe septic tank shall have 1 "childproof" 20" riser/rnanhole within 6 " cif final grade if
a-:1000 gpd (310 C M, T. 1.5.22.1 & 228(2,)). Depict this visr.aally as well as in crarrcnt notes.
8. Buoyancy calculations are regUired for septic tank and pump chamber if tank at,or below
water table(310 C"1` R 15.221(8)).
9. 6" of l.5"' stone beneath distribution box shall be specified(310 C MR 15.221.(2)p,
10. Distribution boas shall be 11-20 loading,(Na 3.2)
11. Distribution box shall have a riser to within 6" of final grade if greater than af" of cover
(310 C:'fi«R 15.221(13) &232(:3)).
12. Volume calculations shall itacla de flowback volume (310 Cwl" R 15.231(2)).
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North Andover-Flealth. Department, 'Fovvui hall„ 120 Main Street,
North Andover, MA 0l 845 Phone: 978,688.9540 Fax: 978,688, 9542
13, Prunp ,charnber shall have I "childproof", 24" riser-hrianhole at final grade (3 10 CMR
15.23](5)�),
14. Notate the top of the leach facility is <= 36" below grade (3 10 CMR 15.221(7)).
15. Notate the final grade over leach field at a ininimurn 0,02 11111 '3 10 CMR 15.2401(10)).
16. Leaching field shall have 3/8"-- 5/8" orifices specified. for a gravity system (310 CMR
15.25](8)).
17, Provide greater explanation why a fully complying system cannot be designed, and/or a
DEP-approved pre-treatment system cannot be used (3 10 CMR 15AO4(1)),
Although, not,a reason for disapproval, you may wish to consider the following:
18. "I'lie setback distance frorn the Swimmina Pool Deck to the LeachFacility could be
shown to be greater than or equal to 10',
19, Depict or note that the septic tank inlet and outlet tees are located under manholes and are
on the center line.
20. Note the soil class in the design calculations on the design plan.
Please feel free to contact the office or Mill River Consulting, at 978-282-0014 with any
questions you may have. We look forward to working with you to obtain a wastewater treati'licnt
and dispersal system which will be in compliance with all regulations and assure protection of
public health and the environment ot'North Andover,
Sincerely,
I rian J, 'La(Grasse, CElJT
Director of Public Health
cc: Owner
File
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North Andover f1ealth Department, Town flail., 120 Main Street,
North Andover, M'A 01845 Phone: 978.688.9540 Fax: 978,688, 9542