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HomeMy WebLinkAboutMiscellaneous - 440 BOSTON STREET 11/24/2015 (2) I I I 9 1 North Andover Health Depaqmi"k� (ornminity and 1(onoink ilevofo'PotW Division September 23, 2015 u Douglas J. Smith, R.S. Soil Smith Designs ° 15 Foxberry Drive New Boston,NF1 03070 Re: 440 Boston Street(Map107D,Lot 3) Dear Mr. Smith: The proposed wastewater system design plan for the above site dated September 1, 2015 and received on September 11, 2015 has been reviewed. Unfortunately, the plan cannot be approved until the following items are corrected. The specific section in Title 5: 310 CMR 15.000, or North Andover regulation that is not met by this design follows each item. ", 1. On sheet I of 2,proposed finish grade contours need to be labeled. The existing grade contours are different on sheet 1 (site plan view) and sheet 2 (profile view). 3. On sheet 1 of 2,the exiting/finish grade above the pump chamber appears to be close to the maximum 3' of cover material. A proposed spot grade elevation should be depicted to ensure the maximum cover requirement is achieved. 4. On sheet 1 of 2,the approximate location of the existing system is not shown(NA 3.2). "5. On sheet 2 of 2,the pump performance curve graphic detail was blank. /'6. The On and Alarm float heights are different on sheet 1 (11" & 16.5") and sheet 2(11.5" & 16"). 7. Soil and percolation tests results eed to be submitted on the most current DEP forms I 1 and 12 (NA 2.3) 4 v o, ° 8. Specifications for the sand fill are required (3 10 CMR 15.255(3)). 9. On sheet 1 of 2, the Typical End Cross Section indicates the removal of the topsoil & organic material, It appears the Bw layer will need to be remove(] as well. Please clearly indicate on the design plan the soil layers that are being proposed for removal. ,",10. A weep hole in the force main pipe is required to allow drain back to the pump chamber. Page 1 of 2 North Andover I le::alth 1.tcpaartrnent, '1 600 Os1ood S'trcet:, Suite 2035, North Andover, MA 01845 Flhoncl: 978,688,9540 Fax: 97 .69 . 4176 Please indicate design ESHWT on the design plan. It appears to be 96.52' based on the test pit logs. Although not a reason for disapproval you may wish to consider the following: Based on the proposed elevation of the distribution box outlet (100.19) and leach field inlet(100.17) the longest line(8'+/-) will have a slope of 0.002, You may wish to consider providing a minimum slope tv� �s VC en V� 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 treatment and dispersal system which will be in compliance with all regulations and assure protection of public health and the environment of North Andover. sin,cerely" Michele Grant Health Inspector cc: Frank Villalobos File Page 2 of 2 North Andover I lealth Deparlment, 1600 Osgood Street, Suite 2035, t�4:)rth Aridover, MA (:11845' llhone 978.688L9540 Fax: 978,688.84'76 0 90 ou > -n o o 1 0 =r 0 D) Co G) 0 (D Cl) 9 Z Q -th� 0 —n D C: m 2. a) 0 CL 0 — =r (D C) 0 z Er CD m 4 (D =) =r X 'o m 0 =3 CL i3 CL 3 _ o 00 < CD G) 0) 0 (D 0 0 0 z :3 (D 0 <0 > (D C/) cr 0 0 x 0 E; 501 < co Iz ztb -h (D (D C: U) cl N (P CD 0) (D 0 0 (D . 0) 0) "N =r 0 (,) :� 0 :3 -h (D 0 :3 0 > (D (D (D N) 0 ic CD 0 -a 91) (D 0- 0) a 9 CL 0 :E (D =3 0 U) m CL cr ED z 0 0 CD 0 (D< o > c :3 0 (D ch -E ❑ ❑ E ❑ C/) 0 G) -< -< -< -< :3 CD (D (D (D (D VI U) (n (1) U) CO) O to 0 E ❑ E ❑ E m z z z z z z -(a c a Flo, @ -h C)L 0 CD -n 0 0 r- U) (D D. 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(D SU 3 C7 cn y 0 Cl) c su Q' (D N �p �V fD N N (Q fD O 0 w d m OD 0 w i i Commonwealth of Massachusetts City/Town of North Andover Percolation Test Form 12 Percolation test results must be submitted with the Soil Suitability Assessment for On-site Sewage Disposal. DEP has provided this form for use by local Boards of Health. Other forms may be used, but the information must be substantially the same as that provided here. Before using this form, check with the local Board of Health to determine the form they use. Important:When A filling out forms A. Site Information on the computer, use only the tab Frank Villalobos key to move your Owner Name cursor-do not 440 Boston Street use the return Street Address or Lot# key. North Andover Ma 01845 VQ City/Town State Zip Code Contact Person(if different from Owner) Telephone Number B. Test Results august 202015 Time Date Time Observation Hole# P-1 Depth of Perc 6411 Start Pre-Soak 10:18 End Pre-Soak 10:33 Time at 12" 10:33 Time at 9" 10:40 Time at 6" 10:49 Time (9"-6") 9 Rate (Min./Inch) 9/3=3 min per inch Test Passed: Test Passed: ❑ Test Failed: ❑ Test Failed: ❑ -Douglas Smith Test Performed By: Issac Rowe North Andover Board of Health Witness Comments: t5form12.doc•08/15 Perc Test•Page 1 of 1 1 Ipal! �iIUIlII11JJ,11� ��)l % ♦ North Andover Health Department Community and Economic Development Division September 30, 2015 Douglas J. Smith, R.S. Soil Smith Designs 15 Foxberry Drive New Boston,NH 03070 Re: 440 Boston Street (Map107D, Lot 3) Dear Mr. Smith: The proposed wastewater system design plan for the above site dated September 1, 2015 revised on September 26, 2015 and received on September 30, 2015 has been reviewed. Unfortunately, the plan cannot be approved until the following items are corrected. The specific section in Title 5: 310 CMR 15.000, or North Andover regulation that is not met by this design follows each item. 1. The existing grade contours still are different on sheet 1 (site plan view) and sheet 2 (profile view). The profile view depicts an original and final grade of approximately 99.5 above the septic tank and pump chamber. This does not match the contours shown on the site plan view which depict existing grades of approximately 99.8-101.02. 2. The On float heights are different on sheet 1 (11") and sheet 2 (11.5"). 3. On sheet 1 of 2, the design ESHWT is depicted as 99.52 instead of 96.52. 4. Although still not a reason for disapproval you may wish to consider the following: Based on the revised proposed elevation of the distribution box outlet (100.18) and leach field inlet(100.17)the longest line (8'+/-)will have a slope of 0.001. You may wish to consider providing a minimum slope of 0.01. Page 1 of 2 North Andover Health Department, 1.600 Osgood Street, Suite 2035, North Andover, MA 01.845 Phone: 978.688.9540 Fax: 978.688.8476 i 1 Please feel free to contact the office or Mill River Consulting at 978-282-0014 with any f questions you may have. We look forward to working with you to obtain a wastewater treatment and dispersal system which will be in compliance with all regulations and assure protection of public health and the environment of North Andover. i rel Michele Grant Health Inspector cc: Frank Villalobos File Page 2 of 2 North. Andover Health Department, 1600 Osgood Street, Suite 2035, i North Andover, M.A. 01845 Phone: 978.688.9540 Fax: 978.688.8476 i North Andover Health Department (ommunity and Economic Development Division September 23, 2015 Douglas J. Smith, R.S. Soil Smith Designs 15 Foxberry Drive New Boston,NH 03070 Re: 440 Boston Street (Map107% Lot 3) Dear Mr. Smith: The proposed wastewater system design plan for the above site dated September 1, 2015 and received on September 11, 2015 has been reviewed. Unfortunately, the plan cannot be approved until the following items are corrected. The specific section in Title 5: 310 CMR 15.000, or North Andover regulation that is not met by this design follows each item. 1. On sheet 1 of 2,proposed finish grade contours need to be labeled. 2. The existing grade contours are different on sheet 1 (site plan view) and sheet 2 (profile view). 3. On sheet 1 of 2,the exiting/finish grade above the pump chamber appears to be close to the maximum 3' of cover material. A proposed spot grade elevation should be depicted to ensure the maximum cover requirement is achieved. 4. On sheet 1 of 2, the approximate location of the existing system is not shown (NA 3.2). 5. On sheet 2 of 2,the pump performance curve graphic detail was blank. 6. The On and Alarm float heights are different on sheet 1 (11" & 16.5") and sheet 2 (11.5" & 16"). 7. Soil and percolation tests results need to be submitted on the most current DEP forms 11 and 12 (NA 23) 8. Specifications for the sand fill are required(3 10 CMR 15.255(3)). 9. On sheet 1 of 2, the Typical End Cross Section indicates the removal of the topsoil & organic material. It appears the Bw layer will need to be removed as well. Please clearly indicate on the design plan the soil layers that are being proposed for removal. 10. A weep hole in the force main pipe is required to allow drain back to the pump chamber. Page 1 of 2 North Andover Ilealth Department, 1.600 Osgood Street, Suite 2035, North Andover, MA 01845 Phone: 978.688.9540 Fax: 978.688.8476 i 11. Please indicate design ESHWT on the design plan. It appears to be 96.52' based on the test pit logs. 12. Although not a reason for disapproval you may wish to consider the following: Based on the proposed elevation of the distribution box outlet(100.19) and leach field inlet (100.17)the longest line (8'+/-) will have a slope of 0.002. You may wish to consider providing a minimum slope of 0.01. 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 treatment and dispersal system which will be in compliance with all regulations and assure protection of public health and the environment of North Andover. 'f�cerely, w Michele Grant ` Health Inspector cc: Frank Villalobos File Page 2 of 2 North Andover 1-Health.Department, 1600 Osgood Street, Suite 2035, North.Andover, MA 01.845 Phone: 978.688.9540 Fax: 978.688.8476 i EP D p OD `J d7 C31 ;A W N O 0 =9 D -n (� G7 W o C!1 (n n Z fn .p O -n (D -�� _ to ID 0 =r((DD Q- 0 w 0 C/) CD � N (D 0 Ca (DD � n ® 3 m -* < � CD to (D O = n � wG o rn ® o (n ® (D ET S." ®. 3 CD CD _ Q a El a CL 11) CL o Q- 6 Z = O (1) CL 0 0 Cr O 1:2 a- =$ — C (n a m (ten N c (D co ❑ ❑ ® ❑ G) -G -< -< -G -C ((n ((nn ((nn U) c N cn N GA o c ® ® ❑ ® ❑ CD Z a a o a (n @ —h (D m s =a v o (D G) _ 3 pA O ❑ U) (D CD m El ^pVa }� o U) G O ® ® m °c cr D) K K O = (D m (D �D K Q N v 6 _w A Q 3 py O o GO (D au 3 N p. D- 3 Q) r s a- O �D C C O (D 7 Z) CL OL ® N !U o z N. fn N0 0 OD ca El a (D (D d (D 0 a W m W fn 0 0O+ cn 4 O ® ❑ o N p ro Z 0 F � it P IiAY/� O - O_ "S OD IP V �ra