HomeMy WebLinkAboutCorrespondence - 540 BOXFORD STREET 4/8/2015 F INC
Y
PROFESSIONAL NGI S AND LAND SURVEYORS
CS1 160 SUMMER STREET,FIAVERFiILL, MA 01830
tr-,1;978-3730310 www.cso-engr.corn fax978..372-3960
April 8, 2015
r,x ;'J 9, 7.015
North Andover Health Department
1600 Osgood Street, Suite 2035 �
North Andover, MA 01845
RE: Subsurface Sewage Disposal System for 602 Boxford Street—Lot 1
Dear Ms. Grant:
I have reviewed your comments on the above referenced Sewage Disposal System and offer the
following responses: It should be noted that the house has been moved from the original design.
to accommodate the well location. The location of the proposed system has not changed. For
ease in review, my comments are printed in blue.
1. Until the new address is provided by the Assessor's office please
indicate the address as "602 Boxford Street—Lot V. This same
numbering system should be used for all proposed lots in the
subdivision. The m1dress lWas beel:r no e d (rlr ttrc plan,
2. The design plan was not stamped and signed by the designer (3 10 CMR 15.220(2)).
Starttj)e d or iuitrrrt was provided w dic NAI11 ,7t-1. ..
3. On sheet 1 of 2, the survey statement was not signed (NA 3.2). SuImped origitu l �vtra
provided to Ilic NAR01I
4. It is unclear if the proposed driveway will be an impervious
area (3 10 CMR 15.220(4)(d)). A. note rr ap�bhraritP" Ira s been
added try the platra.
5. The manufacturer was not depicted for the septic tank (NA 3.2).
However, if it is assumed that the manufacturer is SHEA concrete,
the model number indicated on the design plan does not reference a
monolithic septic tank. 'I'loc propel Inmkd rrrrrr l)er ll�As been r�otcd (m
t1w Platt)
6. On sheet 1 of 2, the water line from the well to the proposed dwelling should be depicted.
`atter lirar° luars L)a eii ,rddcPd to III(., 111<.rrr,
7. On sheet 2 of 2, the outlet inve h elevation of the distribution box needs
to be 2" or 0.17' below the inlet invert elevation (310 CMR
15.232(3)(b)). 0,1%" bars trola.d ou the p)latr
8. On sheet 2 of 2, the distribution box detail depicts a 2" sump.A
minimum 6"sump is required (3 10 CMR 15.232(3)(e)). Tltie, 6 <,r 111)
11"34, 1)("e n] Atrlr e'd to (lrc p rata.
9. The breakout elevation should be indicated clearly on the design
plan to assist the installer. Brc.arkr r.rt clevatrrnn is noted on cross
section.
10. On sheet 1 of 2, the conventional system (proof plan) should be shown
on the site plan to confirm the location meets the required setback
distances. 11rool plarn is nrho,,,nn on a ,sik lnu)
1.1. Indicate the material of the proposed manhole covers. fM aten l has fs.;c°nr klenntr<fie(,l.
12. A note should be added to the design plan to clearly indicate that a riser
to within 6" of finish grade is required above the distribution box if
greater than 9" of cover material is installed. '��ote. has, been a::nan. ed,
1.3. On sheet 2 of 2, the schedule of elevations and the profile indicate
no slope from the outlet of the distribution box to the inlet of the
Infiltrator Chamber trenches, Hr a is corrcd, h nss the ir.nteat of the
�i�nnrbi ern.
14.Since the Infiltrator Chamber system is proposed as an alternative soil
absorption system th,e"Standard Conditions for Alternative Soil
Absorption Systems with General Use Certification and/or Approved
for Remedial Use" will apply. Please provide the following as required
by the approval conditions
Section 11(18):
a) pr•ocaf that the Designer has satisfactorily completed any
r-equired training by the Coarpan.y for- the design and
installation of the Technology; No trcrirring i s r°cquh ed,
c) certification by the Designer that the design conforms to
the Approval, any Cornparry Design Guidance, and 310
CMR 15.000; and Copy of Ccrtifr'ccrtioii Tarr s0rccl �'1
(1 a certification, signed by the Owner- of record for the
property to be served by the Technology, stating that the
property Oawnel%
1. has been provided a copy of the Title 5 Z/A
technology Approval, the Owner's Manual, and
the Operation and,Mcrintenance Manual, and the
Owner,agi-ees to conrpl v with all terms acrd
conditions;
2. for Systems installed under a Remedial Use
Approval, the owner-agr-ees tgfitlfill his
responsibilitics topr-oxide a Deed Notice as
required by 310 CMR 15.287(10) and the
Approval;
3, for Systems installed under a Remedial Use
Approval, the owner agrees tofit/fill his
responsibilities toprovide •tivr*itten notification of
the Approval to airy crew OUwner, as required by
310 CAIR 15.287(5);
4. if the design does notprovide for the use of
garbage grinders, the restriction is understood
and accepted.; and
5. whether or not covered by a warranty, the System
Owrrcr rurderstarrds the requirement to repair,
replace, rrroclifj; or tale airy other action as
required by the Departliww or the LAA, if the
IDpartrrnerrt or the LAA deterrrrines the Systerri to
Ca e dling to protect public Itccrltlr curd safety card
Me elivlrorrrrrew, as defiraecl in 310 C;hll? 15.303,
Should you have any questions, please do not hesitate to call me.
Sin
it is lansi,�-, .,. M°,°•,,.�
C501 PROFESSIONAL ENGINEERS AND LAND SURVEYORS
r INC
160 SUMMER STREEI, HAVERHILL, MA 01830
Owner's Certification for 602 Boston Street Lot 1
I, Robert Messina, the owner of record of 602 Boston Street Lot 1, hereby certify to the
following:
1. 1 have been provided a copy of the Title 5 Innovative Alternative Technology
Approval for General use dated 2/19/2015 , the Owner's Manual with
maintenance , and I agree to comply with all terms and conditions;
2. The design does not provide for the use of garbage grinders. This restriction is
understood and accepted;
3. Whether or not covered by warranty, I understand the requirement to repair,
replace, modify or take any other action as required by the Department or the
North Andover Board of Health)NABOH) , if the Department or the NABOH
determines the system to be failing to protect public health and safety and the
environment, as defined in 310 CMR 15.303.
Acknowledged:
Robert Messina
Messina Development Corp.
Commonwealth of Massachusetts
Executive Office of Energy &Environmental Affairs
LlDepartment of Environmental Protection
One Winter Street Boston, MA 02108.617-292-5500
Charles D.Baker Matthew A,Beaton
Governor
Secretary
Karyn E.Polito Martin Suuberg
Lleutenant Governor Commissioner
APPROVAL FOR GENERAL USE
Pursuant to Title 5,310 CMR 15.000
Name and Address of Applicant:
Infiltrator Systems,Inc.
P.O.Box 768
6 Business Park Road
Old Saybrook,CT 06475
Trade name of technology and model: High Capacity chamber, High Capacity H-20 chamber', Quick4
High Capacity chamber, Quick4 High Capacity HD chamber, Quick4 Plus High Capacity chamber (8-
inch invert), Quick4 Plus High Capacity chamber (13-inch invert), Standard chamber, Quick4 Standard
chamber, Quick4 Standard HD chamber, Quick4 Plus Standard chamber (5.3-inch invert), Quick4 Plus
Standard chamber (8.0-inch invert), Quick4 Plus Standard LP (Low Profile) chamber (3.3-inch invert),
Quick4 Plus Standard LP (Low Profile) chamber (8-inch invert), Infiltrator 3050 (Storm Tech SC-740)
chamber,Equalizer 24 chamber, Quick4 Equalizer 24 chamber,Equalizer 36 chamber,Quick4 Equalizer
36 chamber,Quick4 Equalizer 24 LP(Low Profile)chamber(6 inch invert), and Quick4 Equalizer 24 LP
(Low Profile) chamber(2 inch invert) (hereinafter the"System"). Schematic drawings of the System and
a design and installation manual are a part of this Certification. This approval allows the installation of
the above identified chambers without aggregate.
Transmittal Number: X259183
Date of Revision: February 19,2015
Authority for issuance
Pursuant to Title 5 of the State Environmental Code,310 CMR 15.000, the Department of Environmental
Protection hereby issues this Certification to: Infiltrator Systems, Inc,, P.O. Box 768, 6 Business Park
Road, Old Saybrook, CT 06475 (hereinafter"the Company"), for General Use of the System described
herein, The sale, design, installation, and use of the System are conditioned on compliance by the
Company, the Designer, the Installer and the System Owner with the terms and conditions set
forth below. Any noncompliance with the terms or conditions of this Approval constitutes a
violation of 310 CMR 15.000.
February 19,2015
David Ferris,Director Date
Wastewater Management Program
Bureau of Water Resources
This information is available in alternate format.Call Michelle Waters-Ekanem,Diversity Director,at 617-292.5751.TTY#MassRelay Service 1.800-439-2370
MassDEP Website:www,mass.gov/dep
Printed on Recycled Paper
i
i
Infiltrator Chamber,Infiltrator Inc. Page 2 of 6
Approval for General Use—February 19,2015
I. Design Standards
1. The models listed in Table 1 are covered under this Certification,
Table 1: Chamber Dimensions
Dimensions Invert
Model W x L x H Height
Inches Inches
Equalizer 24 15 x 100 x 11 6
Quick4 Equalizer 24 16 x 48 x 11 6
Quick4 Equalizer 24 LP (6-inch invert) 16 x 48 x 8 62
Quick4 Equalizer 24 LP 2-inch invert) 16 x 48 x 8 2
Equalizer 36 22 x 100 x 13.5 6
Quick4 Equalizer 36 22 x 48 x 12 6
Standard Chamber 34 x 75 x 12 6.5
Quick4 Standard 34 x 48 x 12 8
Quick4 Standard HD 34 x 48 x 12 8
Quick4 Plus Standard(5.3-inch invert) 34 x 48 x 12 5.3
Quick4 Plus Standard(8-inch invert) 34 x 48 x 12 8
Quick4 Plus Standard LP (3.3-inch invert) 34 x 48 x 8 3.3
Quick4 Plus Standard LP 8-inch invert) 34 x 48 x 8 83
Infiltrator 3050 or StormTech SC-740 51 x 85.4 x 30 22.254
High Capacity Chamber 34 x 75 x 16 11
High Capacity H-20'Chamber 34 x 75 x 16 11
Quick4 High Capacity 34 x 48 x 16 11.5
Quick4 High Capacity HD 34 x 48 x 16 11.5
Quick4 Plus High Capacity(8-inch invert) 34 x 48 x 14 8
Quick4 Plus High Capacity(13-inch invert) 34 x 48 x 14 1 135
1 This approval allows the use of the high capacity H-20 chambers but makes no determination
as to the chambers meeting the H-20 loading requirements,
2 Includes Infiltrator MultiporiT"1 invert adapter attached to the side of the end cap.
3 Includes Quick4 Plus Periscope adapter attached to the top of the Quick4 Plus All-in-One 8
Endcap,
4 Only systems installed with this invert height shall be allowed to use the effective leaching
area associated with this model in Table 2.
5 Includes Quick4 Plus Periscope adapter attached to the top of the Quick4 Plus All-in-One 12
Endcap,
2. The System is an open-bottom leaching unit molded from polyolefin resin. It can
be installed without aggregate or distribution pipe as an absorption trench or as a
bed or field. If the System is installed with stone aggregate then the "Effective
Leaching Area" in Tables 2 and 3 is not applicable, and must be designed in
accordance with the provisions of 310 CMR 15.000.
II
Infiltrator Chamber,Infiltrator Inc. Page 3 of 6
Approval for General Use—February 19,2015
3. The total effective leaching area for any Chamber Model shall be calculated by
multiplying the Effective Leaching Area per square foot of chamber times the
total length of chamber from end cap to end cap including end caps.
4. For new construction or upgrades, the applicant can size the System in a trench
configuration, using the effective leaching areas presented in Table 2.
Table 2: Effective Leaching Area in Trench Configuration for New
Construction and Remedial Sites'
Effective Effective
Model Leaching' Leaching$
Area Area
SF/LF SF/LF
Equalizer 24 3.76 N/A
Quick4 Equalizer 24 3.90 N/A
Quick4 Equalizer 24 LP 6-inch invert) 3.90 N/A
Quick4 Equalizer 24 LP 2-inch invert 2.78 N/A
Equalizer 36 4.73 N/A
Quick4 Equalizer 36 4.73 N/A
Standard Chamber 6.53 NIA
Quick4 Standard 6.96 N/A
Quick4 Standard HD 6.96 N/A
Quick4 Plus Standard 5.3-inch invert 6.20 N/A
Quick4 Plus Standard(8-inch invert) 6.96 N/A
Quick4 Plus Standard LP (3.3-inch invert) 5.65 N/A
Quick4 Plus Standard LP 8-inch invert 6.96 N/A
Infiltrator 3050 or StormTech SC-740 N/A 6.71
High Capacity Chamber 7.79 N/A
High Capacity H-20 Chamber' 7.79 N/A
Quick4 High Capacity 7.93 N/A
Quick4 High Capacity HD 7.93 N/A
Quick4 Plus High Capacity 8-inch invert) 6.96 N/A
Quick4 Plus High Capacity(13-inch invert) 7.93 N/A
'. Effective April 21,2006,310 CMR 15.251(1)(b)maximum trench width is 3 feet. "!
�.Effective leaching area is equal to 1.67(bottom width+(2x invert height))for Systems
3 feet or less in width.
$.Effective leaching area is equal to 1.0(3 +(2x invert Height))for Systems with a width
greater than 3 feet, j
9.The maximum trench width allowed to calculate effective leaching area is 3 feet.
5. Systems installed on remedial sites shall be allowed to utilize the effective
leaching areas presented in Tables 2 or 3,or additional reductions in sail
absorption system may be allowed. In no instance shall the reduction in the soil
absorption system required in 310 CMR 15.242 exceed the maximum reduction
allowed for alternative systems approved in accordance with 310 CMR 15.284.
Infiltrator Chamber,Infiltrator Inc. Page 4 of 6
Approval for General Use—February 19,2015
6. For new construction or an upgrade, the applicant can size the System in bed or
field configuration,using the effective leaching areas presented in Table 3,
Table 3: Effective Leaching Area for Bed or Field Configuration New
Construction and Remedial Sites
Effective
Model Leaching10
Area
SFILF
Equalizer 24 2.09
Quick4 Equalizer 24 2.23
Quick4 Equalizer 24 LP 6-inch invert 2.23
Quick4 Equalizer 24 LP 2-inch invert) 2.23
Equalizer 36 3.06
Quick4 Equalizer 36 3.06
Standard Chamber 4.73
Quick4 Standard 4.73
Quick4 Standard HD 4.73
uic1c4 Plus Standard(5.3-inch invert) 4.73
Quick4 Plus Standard(8-inch invert) 4.73
Quick4 Plus Standard LP 3.3-inch invert 4.73
Quick4 Plus Standard LP (8-inch invert) 4.73
Infiltrator 3050 or StormTech SC-740 7.10
High Capacity Chamber 4.73
High Capacity H-20 Chamber' 4.73
Quick4 High Capacity 4.73
Quick4 High Capacity HD 4.73
Quick4 Plus High Capacity(8-inch invert) 4.73
Quick4 Plus High Capacity(13-inch invert) 4.73
'° Effective Leaching area is equal to 1.67 times bottom width only.
7. When the System is used with a secondary treatment unit approved in accordance
with 310 CMR 15.284 or 15.288, additional reductions in soil absorption system
may be allowed. In these situations the reduction in the SAS cannot exceed the
maximum allowed under the secondary treatment units approval. In no instance
shall the reduction in the soil absorption system area required in 310 CMR 15.242
exceed the maximum reduction allowed for alternative systems approved in
accordance with 310 CMR 15.284.
II. Special Conditions
1. The System is an approved Alternative Chamber for use as an Alternative Soil
Absorption System. In addition to the Special Conditions contained in this
Approval,the System shall comply with the"Standard Conditions for Alternative
SAS with General Use Certification and/or Approved for Remedial Use"(the
Infiltrator Chamber,Infiltrator Inc. Page 5 of 6
Approval for General Use—February 19,2015
'Standard Conditions'), except where stated otherwise in these Special
Conditions.
2. New Construction This Certification is for the installation of a System to serve
new construction or an existing facility with a proposed increase in flow, for
which a site evaluation in compliance with 310 CMR 15.000 has been approved
by the Approving Authority and the site meets the siting requirements for new
construction, as provided in Paragraph 6 in section H Design and Installation
Requirements of the Standard Conditions.
3. Remedial Site This General Use Certification also applies to the installation of a
System for the upgrade or replacement of an existing failed or nonconforming
system,provided that the facility meets the siting requirements for upgrades,as
provided in Paragraph 7 in section II Design and Installation Requirements of the
Standard Conditions
4. The System shall be exempt from the minimum inlet spacing requirements of 310
CMR15.253.
5. The System shall have a minimum of one inspection port through the top of one
of the chambers. The inspection port shall be capped with a screw type cap and
accessible to within three inches of finish grade,
6. When the System is installed in trench configuration,then the system shall
comply with these requirements:
a) Length(each trench) 100 feet maximum(310 CMR 15.251(1)(a));
b) Width(each trench)2 feet minimum to 3 feet maximum(3 10 CMR
15.251(1)(b)). -Chambers greater than 3 feet wide,when specifically
approved, are subject to other Special Conditions and limitations;
c) The minimum separation distance between any two trenches shall be two
times the effective width or depth of each trench,whichever is greater, or
where the area between trenches is designated as reserve area, three times the
effective width or depth of each trench,whichever is greater(3 10 CMR
15.251(l)(d));
d) The effective leaching area shall be calculated using the bottom area and a
maximum of two feet(per side)of side wall area for each trench(3 10 CMR
15.251(1)(e));
e) Trenches shall be situated,where possible,with their long dimension
perpendicular to the slope of the natural soil. Where possible they shall follow
the contour lines(3 10 CMR 15.251(2));
f) Trenches constructed at different elevations shall be designed to prevent
effluent from the higher trench(es)flowing into the lower trench(es) (3 10
CMR 15.251(3));
g) The area between trenches may be designated as system reserve area only
where the separation distance between the excavation sidewalls of the primary
trenches is at least three times the effective width or depth of each trench,
whichever is greater(3 10 CMR 15.251(4)) -Chambers greater than 3 feet
Infiltrator Chamber,Infiltrator Inc. Page 6 of 6
Approval for General Use—February 19,2015
wide,when specifically approved, shall be separated by three times the actual
width and are subject to other Special Conditions and limitations; and
h) Effluent distribution lines exceeding 50 feet in length shall be connected and
venting provided in accordance with 310 CMR 15.241 (3 10 CMR
15.251(11)).
7. When installed in trench configuration, approved Alternative Chambers greater
than 3 feet wide:
a) shall be installed with a minimum separation distance between any two
trenches of two times the actual width of the chamber, or where the area
between trenches is designated as reserve area, three times the actual width of
the chamber; and
b) shall only be entitled to a maximum effective width of 3 feet for the purposes
of calculating total effective leaching area,
8. When installed in a bed or field configuration,the System may be installed
without distribution piping,but must comply with the following requirements in
310 CMR 15.252:
a) the use of leaching beds or fields is restricted to systems with a calculated
design flow of less than 5,000 gpd per leaching bed or field(3 10 CMR
15.252(1));
b) the maximum length of chambers in series shall be 100 feet(310 CMR
15.252(2)(b));
c) separation distance between adjacent beds/fields shall be ten feet(3 10 CMR
15.252(2)(f)); and
d) the effective leaching area shall include only the bottom area,not the
sidewalls (3 10 CMR 15.252(2)(i)).
9. For Systems constructed in fill and installed, the System shall be installed as
specified in 310 CMR 15.255 Construction in Fill,except the minimum 15 foot
horizontal separation distance to be provided between the soil absorption area and
the adjacent side slope shall be measured horizontally from the top of the
chamber.
10, The System is exempt from 310 CMR 15.287, specifically items: (5)requiring
written notification of alternative system prior to property transfer, (6)need for a
certified operator, (9)need for an operation and maintenance contract with an
operator and(10) deed notice requirement.
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