HomeMy WebLinkAboutCorrespondence - 42 OLYMPIC LANE 11/7/2005 ��.. ...... .._... I NC -.. _......� � ,
November 7, 2005
Susan Sawyer
North Andover Board of Health
400 Osgood Street
North.Andover, MA 01845
Re: 42 Olympic Lane, North Andover, MA
Alternative Design Criteria Using Quick 4 Standard Chambers
Dear Ms. Sawyer,
This letter is written to provide supporting design computations in anticipation of a field change
with respect to the Infiltrator Chambers.
It has been brought to our attention that the Infiltrator-Standard Chamber has limited availability
with some distributors. In the event that the Infiltrator-Standard Chambers are not available, the
Infiltrator-Quick4 Standard Chambers shall be used.
Equivalent design calculations are as follows:
Design Data (Infiltrator Quick 4 Standard Chambers)
Percolation Rate: Design for 6 minutes per inch.
Soil Class: I
Design Flow: 5 Bedrooms x 110 gallons per day= 550 gallons per day
Loading Rate: 0.70 gallons per square foot
System size required: 500 gallons per day/ 0.70 = 785.71 sq. ft.
System size provided: Use Quick 4 Standard Infiltrator units in a leach bed configuration
Effective leach area per lineal foot of Infiltrator Quick 4 chamber: 4.72 square feet
Lineal feet of Infiltrator Chamber required: 785.71 sq. ft. /4.72 sq. ft. per lin. ft. = 166.46 ft.
166.46 lineal feet/4 lineal feet per chamber=41.61 chambers required
Use 4 rows of I I chambers 44 feet long each row= 176 total lineal feet of chamber
= 830.72 effective sq. ft. leach area.
Septic tank required: 200% of daily flow (550 gallons x 2 = 1 100 gallons)
Septic tank provided: New 1500 gallon septic tank
60 !il':EC.;6M)OD DRIVE - NCJ6RTH ANDOVER, MA 01645-(97 9)666-17M,. (868)359-7645 , FAX(978)685-1099
Profile Data (Infiltrator Quick 4 Standard Chambers)
Bottom of Bed Elev.: 94.34
Infiltrator Invert Elev.: 95.01
D-Box Outlet Elev.: 95.11
D-Box Inlet Elev.: 95.28
Tank Outlet Elev.: 95.63
Tank Inlet Elev.: 95.88
Foundation Invert Elev.: To Remain
96.50 Min.
*Slope from foundation to tank shall be minimum 2%.
*Slope from tank to distribution box shall be I%.
As with the Infiltrator Standard Chambers,the installer must be trained and certified by Infiltrator
Systems, Inc. Details of the Infiltrator Quick 4 Standard chamber can be obtained from New
England Engineering Services, Inc. at(978) 686-1768, or Infiltrator Systems, Inc. at(888) 886-
7704.
The following documents are enclosed:
1. DEP approval-Modified Certification for General Use for the Quick4 Standard chamber.
2. Infiltrator Quick 4 Standard Chamber Product Brochure.
3. Infiltrator Quick 4 Standard Chamber Installation Instructions
Please accept this letter and enclosures as supporting documentation to aid in the review and
approval for the septic system design plan entitled, "Proposed Subsurface Sewage Disposal
System, 42 Olympic Lane,North Andover, MA, Assessors Map 106B, Lot 110," dated September
13, 2005.
Please contact this office with any questions or concerns.
Sincerely,
Thomas Hector
Project Engineer
TOWN N Oih LVORTH ANDOVER � NORTH A
O tt�a° ;atl Q.A
Office of COiM1�Yl�NITY DEVELOPI ENT AND SERVICES 0� °p
HEALTH DEPARTMENT
400 OSGOOD STREET `
'i/ pON,n° 'Pygy
NORTH ANDOVER, MASSACHUSETTS 01845 "SSACHUS1`
Susan Y. Sawyer, REHS;RS 978.688.9540—Phone
Public Health Director 978.688.9542—FAX
November 7,2005
Ann and John Collins
42 Olympic Lane
North Andover, MA 01845
RE: Subsurface Sewage Disposal System Plan for 42 Olympic Lane, May 106B, Lot 110
Dear Mr.&Mrs. Collins
The North Andover Board of Health has completed the review of the septic system design plans for the above
referenced property submitted on your behalf by New England Engineering Services dated September 13,2005 and
received by this office on September 13,2005.
The design has been approved for use in the construction of an upgrade onsite septic system. This approval is valid
for three years fi•om the date of this letter and during this time a licensed septic system installer must obtain a permit
and complete this work, and a Certificate of Compliance must be endorsed by the installer,designer and the Town of
North Andover.
This approval is subject to the following conditions:
1. If site conditions are found in the field to be different from those indicated on the design plan and/or soil
evaluation,the originally issued Disposal System Construction Permit is void, installation shall stop,and the
applicant shall reapply for a new Disposal Systems Construction Permit(3 10 CMR 15.020(1)).
2. It is the responsibility of the applicant and/or the applicant's septic system designer,septic system installer
or other representative to ensure that all other state and municipal requirements are met. These may include
review by the Conservation Cormnission,Zoning Board, Planning Board, Building Inspector,Plumbing
Inspector and/or Electrical Inspector. The issuance of a Disposal System Construction Permit shall not
construe and/or imply compliance with any of the aforementioned requirements.
3. The plan does not call for installation of a septic tank effluent filter but one is recommended. Please be
advised that only certain brands of filters are permitted for use in Massachusetts and each is required to
follow certain approval criteria. Your designer or installer should work with you to assure a licensed brand
is selected for use, if you choose to install one.
Your effort to provide a properly functioning septic system for your dwelling is greatly appreciated. The Health
Department may be reached at 978-688-9540 with any questions you might have.
Sincerely,,/
/
SusuflY. Sawyer, REHS/R`S
Public Health Director
encl: List of licensed septic system installers
cc: New England Engineering Services
file
Nary 14 03 01 -.03r)', ;'c :iIP' '17H ANDOVER ",' 9786' 19542
Town of North Andover
HEALTH DEPART NT
27 Charles Street
North Andover,lbw. 01845
978.688.9540
SEPTIC PLAN -SUBMITTAL FORM
heap/arlep��`ativirnfnartlrarrdaver.cr�nr li
DATE OF SUBMISSION: /3 D
SITE LOCATION: l
ETdGINEER: v� ale')
NEW PLANS: YES h` $225.00/Plan d S- oU Check
(includes X"(IVCW and otre Re-freview Clrrly)
REVISED PLANS: YES_ $75.00/Plan� Check#:
SITE EVALUATION 7F'ORl'AS INCLUDED: 4�Ts-_...� NO
LOCAL UPGRADE FORM INCLUDED: YES NO
Telephone#:� �� �o ' Lr �' Fax
E-mail: 4cej7e",l) ad c6r),L
Ut JvW
�►MEf.IWNE�NAIW1[E: '
r
aFFICE USE oNZ Y
Wien the submission is complete(including check).
1. d ''F Date stamp plans and letter
2• Complete and attach Receipt
3. Co py File; Forward to Consultant
4: b"' Enter on Log Sheet and.Database
f
.__.._.........
� ..�..... .W
September 13, 2005
Susan Sawyer '..z
North Andover Board of I lealth
400 Osgood Street !",3 E 1" 00'
North Andover, MA 01 845
�,..
Re: 42 Olympic Lane, North Andover, MA
Septic System llesign Plan Submittal
Dear Ms. Sawyer
The following plans and enclosures for the above referenced property are being submitted for
approval.
1. (3) Copies of the Septic System. Design Plans.
2. (2) Copies of the Form I 1 Soil Evaluator Sheets.
3. (''.) Copies of the Form 12-Percolation Test Sheets.
4. Septic Design Submittal Form.
5. Check for the Town approval fees.
Please contact this office with any questions or concerns.
Sincerely,
--11 4k--
Thomas hector
Project Engineer
60 BE:E.CFiwoOD DRIVE~- NORTOA APVl:7t;7VER, MA 01845-.(9-78)686-1.766-(888)359-7645- FAX(9.78)685-1099
Commonwealth Of Massachusetts
City/Town Of Vor4
I
_ Percolation Test
Farm 12
- r I
Percolation test results must be submitted with the Soil Suitability Assrrteht-form-siteSoVvage
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: A. Site Information
When filling out
forms on the
computer, use John Collins
only the tab key Owner Name
to move your 42 Olympic Lane
ccursor-do not
-- _ __-- —
cur Street Address or Lot#
the return
01845
key, North Andover MA
City/Town State Zip Code
978 682-3874
Contact Person(if different from Owner) Telephone Number
13-. Test Res u Its
ietwn
8/24/05 9:08
Date Time Date Time
Observation Hole# PT1
Depth of Perc
Start Pre-Soak 9'08
End Pre-Soak 9:23
Time at 12" 9:23
Time at 9" 9:35
9:53
Time at 6'
Time (9"-6") 18 MIN
Rate (Min./Inch) H
6 MIN AN
N
Test Passed: ® Test Passed: ❑
Test Failed: ❑ Test Failed: ❑
Benjarnin C Osgood Jr
Test Performed By:
Randy Burley, Mill River Consultinc
Witnessed By:
Comments.
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