HomeMy WebLinkAbout- Permits #242-1766 - 1600 OSGOOD STREET 2/20/2020 4
Massachusetts Department of Environmental Protection Provided by MassDEP:
LlBureau of Resource Protection -Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File#
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
City/Town
A. General Information
Please note: North Andover
this form has 1. From.
been modified Conservation Commission
with added 2. This issuance is for
space to a.®Order of Conditions b.[]Amended Order of Conditions
accommodate (check one):
the Registry
of Deeds 3. To: Applicant:
Requirements
Sean O'Brien
a.First Name b. Last Name
Important:
When filling Hillwood Enterprises, LP
out forms on c.Organization
the 4507 North Front Street, Suite 302
computer, d.Mailing Address
use only the
tab key to Harrisburg PA 17110
move your e.City[Town f.State g.Zip Code
cursor-do
not use the 4. Property Owner(if different from applicant):
return key.
Orit Goldstein
V6:1
a.First Name b. Last Name
1600 Osgood Street, LLC & Osgood Landing, LLC c/o Ozzy Properties
c.Organization
16000 Street
d.Mailing Address
North Andover MA 01845
e.City/Town f.State g.Zip Code
5. Project Location:
1600 Osgood Street North Andover
a.Street Address b. City/Town
Map 34 Lots 15, 17, 54 & 55
c.Assessors Map/Plat Number d. Parcel/Lot Number
Latitude and Longitude, if known: 42d43m53.48s 71d06m52.59s
d. Latitude e.Longitude
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection -Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File#
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
City/Town
A. General Information (cont.)
6. Property recorded at the Registry of Deeds for(attach additional information if more than
one parcel):
Northern Essex
a.County b.Certificate Number(if registered land)
8213 272
c.Book d.Page
August 28, 2019 February 5, 2020 February 20, 2020
7. Dates: a. Date Notice of Intent Filed b.Date Public Hearing Closed c.Date of Issuance
8. Final Approved Plans and Other Documents (attach additional plan or document references
as needed):
Permit Site Plans- North Andover, MA Proposed Development for Hillwood Enterprises, LP
& 1600 Ogood Street, LLC
Langan Engineering & Environmental John D. Plante, PE
Services, Inc. c.Signed and Stamped by
January 24, 2020 As Noted
d.Final Revision Date e.Scale
See Attached Findings &Special Conditions for Full Plan and
Document List g. Date
B. Findings
1. Findings pursuant to the Massachusetts Wetlands Protection Act:
Following the review of the above-referenced Notice of Intent and based on the information
provided in this application and presented at the public hearing, this Commission finds that
the areas in which work is proposed is significant to the following interests of the Wetlands
Protection Act(the Act). Check all that apply:
a. ® Public Water Supply b. ® Land Containing Shellfish c. ® Prevention of
Pollution
d. ® Private Water Supply e. ® Fisheries f. ® Protection of
Wildlife Habitat
g. ® Groundwater Supply h. ® Storm Damage Prevention I. ® Flood Control
2. This Commission hereby finds the project, as proposed, is: (check one of the following boxes)
Approved subject to:
a. ® the following conditions which are necessary in accordance with the performance
standards set forth in the wetlands regulations. This Commission orders that all work shall
be performed in accordance with the Notice of Intent referenced above, the following
General Conditions, and any other special conditions attached to this Order. To the extent
that the following conditions modify or differ from the plans, specifications, or other
proposals submitted with the Notice of Intent, these conditions shall control.
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection -Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File#
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
Cityrrown
B. Findings (cont.)
Denied because:
b. ❑ the proposed work cannot be conditioned to meet the performance standards set forth
in the wetland regulations. Therefore, work on this project may not go forward unless and
until a new Notice of Intent is submitted which provides measures which are adequate to
protect the interests of the Act, and a final Order of Conditions is issued. A description of
the performance standards which the proposed work cannot meet is attached to this
Order.
c. ❑ the information submitted by the applicant is not sufficient to describe the site, the work,
or the effect of the work on the interests identified in the Wetlands Protection Act.
Therefore, work on this project may not go forward unless and until a revised Notice of
Intent is submitted which provides sufficient information and includes measures which are
adequate to protect the Act's interests, and a final Order of Conditions is issued. A
description of the specific information which is lacking and why it is necessary is
attached to this Order as per 310 CMR 10.05(6)(c).
3. ❑ Buffer Zone Impacts: Shortest distance between limit of project
disturbance and the wetland resource area specified in 310 CMR 10.02(1)(a) a. linear feet
Inland Resource Area Impacts: Check all that apply below. (For Approvals Only)
Resource Area Proposed Permitted Proposed Permitted
Alteration Alteration Replacement Replacement
4. ❑ Bank a. linear feet b.linear feet c.linear feet d. linear feet
5. ❑ Bordering
Vegetated Wetland a.square feet b.square feet c.square feet d.square feet
6. ❑ Land Under
Waterbodies and a.square feet b.square feet c.square feet d.square feet
Waterways
e.c/y dredged f.c/y dredged
7. ® Bordering Land 348,000 348,000 46,250 46,250
Subject to Flooding a.square feet b.square feet c.square feet d.square feet
77,584 77,584 132,001 132,001
Cubic Feet Flood Storage e.cubic feet f.cubic feet g.cubic feet h.cubic feet
8. ❑ Isolated Land
Subject to Flooding a.square feet b.square feet
Cubic Feet Flood Storage c.cubic feet d.cubic feet e.cubic feet f.cubic feet
9. ® Riverfront Area 360,894 360,894
n tn+ai en fapf b.total sq.feet '..
Sq ft within 100 ft
147,034 147,034 see attached
r• ennarp fast q
d.square feet f.square feet
p erniarp foot
Sq ft between 100- 213,860 213,860
200 ft n eniiarp fpnf h.square feet i eniiarp fppf j.square feet
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection -Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEPFile#
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
City/Town
B. Findings (cont.)
Coastal Resource Area Impacts: Check all that apply below. (For Approvals Only)
Proposed Permitted Proposed Permitted
Alteration Alteration Replacement Replacement
1o. ❑ Designated Port Indicate size under Land Under the Ocean, below
Areas
11. ❑ Land Under the
Ocean a.square feet b.square feet
c.c/y dredged d.c/y dredged
12. ❑ Barrier Beaches Indicate size under Coastal Beaches and/or Coastal Dunes
below
cu yd cu yd
13. ElCoastal Beaches a.square feet b.square feet c. nourishment d. nourishment
14. ❑ Coastal Dunes cu yd cu yd
a.square feet b.square feet c. nourishment d. nourishment
15. ❑ Coastal Banks a. linearfeet b. linearfeet
16. ❑ Rocky Intertidal
Shores a.square feet b.square feet
17. ❑ Salt Marshes a.square feet b.square feet c.square feet d.square feet
18. ❑ Land Under Salt
Ponds a.square feet b.square feet
c.c/y dredged d.c/y dredged
19. ❑ Land Containing
Shellfish a.square feet b.square feet c.square feet d.square feet
20. ❑ Fish Runs Indicate size under Coastal Banks, Inland Bank, Land Under
the Ocean, and/or inland Land Under Waterbodies and
Waterways, above
a.c/y dredged b.c/y dredged
21. ❑ Land Subject to
Coastal Storm a.square feet b.square feet
Flowage
22. ❑ Riverfront Area
a tntal en foot b.total sq.feet
Sq ft within 100 ft
n ennaro foofi d.square feet o ennaro foot f.square feet
Sq ft between 100-
200 ft h.square feet square feet
n erniaro foot Q i ennaro foot �• Q
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection - Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File#
ILI Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
City/Town
B. Findings (cont.)
p#23. If t he for 23. ❑ Restoration/Enhancementjec *:
the purpose of
restoring or a.square feet of BVW b.square feet of salt marsh
enhancing a
wetland
resource area 24. ❑ Stream Crossing(s):
in addition to
the square
footage that a.number of new stream crossings b.number of replacement stream crossings
has been C. General Conditions Under Massachusetts Wetlands Protection Act
entered in
Section B.5.c
(BVW)or The following conditions are only applicable to Approved projects.
B.ITc(Salt
Marsh)above, 1. Failure to comply with all conditions stated herein, and with all related statutes and other
please enter regulatory measures shall be deemed cause to revoke or modify this Order.
the additional 9 Y � Y
amount here. 2. The Order does not grant any property rights or any exclusive privileges; it does not
authorize any injury to private property or invasion of private rights.
3. This Order does not relieve the permittee or any other person of the necessity of complying
with all other applicable federal, state, or local statutes, ordinances, bylaws, or regulations.
4. The work authorized hereunder shall be completed within three years from the date of this
Order unless either of the following apply:
a. The work is a maintenance dredging project as provided for in the Act; or
b. The time for completion has been extended to a specified date more than three years,
but less than five years, from the date of issuance. If this Order is intended to be valid
for more than three years, the extension date and the special circumstances warranting
the extended time period are set forth as a special condition in this Order.
c. If the work is for a Test Project, this Order of Conditions shall be valid for no more than
one year.
5. This Order may be extended by the issuing authority for one or more periods of up to three
years each upon application to the issuing authority at least 30 days prior to the expiration
date of the Order. An Order of Conditions for a Test Project may be extended for one
additional year only upon written application by the applicant, subject to the provisions of 310
CMR 10.05(11)(f).
6. If this Order constitutes an Amended Order of Conditions, this Amended Order of
Conditions does not extend the issuance date of the original Final Order of Conditions and
the Order will expire on unless extended in writing by the Department.
7. Any fill used in connection with this project shall be clean fill. Any fill shall contain no trash,
refuse, rubbish, or debris, including but not limited to lumber, bricks, plaster, wire, lath,
paper, cardboard, pipe, tires, ashes, refrigerators, motor vehicles, or parts of any of the
foregoing.
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection - Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP FileILI #
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
city/Town
C. General Conditions Under Massachusetts Wetlands Protection Act
8. This Order is not final until all administrative appeal periods from this Order have elapsed,
or if such an appeal has been taken, until all proceedings before the Department have been
completed.
9. No work shall be undertaken until the Order has become final and then has been recorded
in the Registry of Deeds or the Land Court for the district in which the land is located, within
the chain of title of the affected property. In the case of recorded land, the Final Order shall
also be noted in the Registry's Grantor Index under the name of the owner of the land upon
which the proposed work is to be done. In the case of the registered land, the Final Order
shall also be noted on the Land Court Certificate of Title of the owner of the land upon
which the proposed work is done. The recording information shall be submitted to the
Conservation Commission on the form at the end of this Order,which form must be
stamped by the Registry of Deeds, prior to the commencement of work.
10. A sign shall be displayed at the site not less then two square feet or more than three
square feet in size bearing the words,
"Massachusetts Department of Environmental Protection" [or, "MassDEP"]
"File Number 242-1766 "
11. Where the Department of Environmental Protection is requested to issue a Superseding
Order, the Conservation Commission shall be a party to all agency proceedings and
hearings before MassDEP.
12. Upon completion of the work described herein, the applicant shall submit a Request for
Certificate of Compliance (WPA Form 8A) to the Conservation Commission.
13. The work shall conform to the plans and special conditions referenced in this order.
14. Any change to the plans identified in Condition #13 above shall require the applicant to
inquire of the Conservation Commission in writing whether the change is significant enough
to require the filing of a new Notice of Intent.
15. The Agent or members of the Conservation Commission and the Department of
Environmental Protection shall have the right to enter and inspect the area subject to this
Order at reasonable hours to evaluate compliance with the conditions stated in this Order,
and may require the submittal of any data deemed necessary by the Conservation
Commission or Department for that evaluation.
16. This Order of Conditions shall apply to any successor in interest or successor in control of
the property subject to this Order and to any contractor or other person performing work
conditioned by this Order.
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection -Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File#
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
City/Town
C. General Conditions Under Massachusetts Wetlands Protection Act (cont.)
17. Prior to the start of work, and if the project involves work adjacent to a Bordering Vegetated
Wetland, the boundary of the wetland in the vicinity of the proposed work area shall be
marked by wooden stakes or flagging. Once in place, the wetland boundary markers shall
be maintained until a Certificate of Compliance has been issued by the Conservation
Commission.
18. All sedimentation barriers shall be maintained in good repair until all disturbed areas have
been fully stabilized with vegetation or other means. At no time shall sediments be
deposited in a wetland or water body. During construction, the applicant or his/her designee
shall inspect the erosion controls on a daily basis and shall remove accumulated sediments
as needed. The applicant shall immediately control any erosion problems that occur at the
site and shall also immediately notify the Conservation Commission, which reserves the
right to require additional erosion and/or damage prevention controls it may deem
necessary. Sedimentation barriers shall serve as the limit of work unless another limit of
work line has been approved by this Order.
19. The work associated with this Order(the"Project")
(1) ® is subject to the Massachusetts Stormwater Standards
(2) ❑ is NOT subject to the Massachusetts Stormwater Standards
If the work is subject to the Stormwater Standards,then the project is subject to the
following conditions:
a) All work, including site preparation, land disturbance, construction and redevelopment,
shall be implemented in accordance with the construction period pollution prevention and
erosion and sedimentation control plan and, if applicable, the Stormwater Pollution
Prevention Plan required by the National Pollution Discharge Elimination System
Construction General Permit as required by Stormwater Condition 8. Construction period
erosion, sedimentation and pollution control measures and best management practices
(BMPs) shall remain in place until the site is fully stabilized.
b) No stormwater runoff may be discharged to the post-construction stormwater BMPs
unless and until a Registered Professional Engineer provides a Certification that:
i. all construction period BMPs have been removed or will be removed by a date certain
specified in the Certification. For any construction period BMPs intended to be converted
to post construction operation for stormwater attenuation, recharge, and/or treatment, the
conversion is allowed by the MassDEP Stormwater Handbook BMP specifications and that
the BMP has been properly cleaned or prepared for post construction operation, including
removal of all construction period sediment trapped in inlet and outlet control structures;
ii. as-built final construction BMP plans are included, signed and stamped by a Registered
Professional Engineer, certifying the site is fully stabilized;
iii. any illicit discharges to the stormwater management system have been removed, as per
the requirements of Stormwater Standard 10;
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection - Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File#
Massachusetts Wetlands Protection Act M.G.L. c. 131 §40 eDEP Transaction#
North Andover
City/Town
C. General Conditions Under Massachusetts Wetlands Protection Act (cont.)
iv. all post-construction stormwater BMPs are installed in accordance with the plans
(including all planting plans) approved by the issuing authority, and have been inspected to
ensure that they are not damaged and that they are in proper working condition;
v. any vegetation associated with post-construction BMPs is suitably established to
withstand erosion.
c) The landowner is responsible for BMP maintenance until the issuing authority is notified
that another party has legally assumed responsibility for BMP maintenance. Prior to
requesting a Certificate of Compliance, or Partial Certificate of Compliance, the responsible
party (defined in General Condition 18(e)) shall execute and submit to the issuing authority
an Operation and Maintenance Compliance Statement("O&M Statement)for the
Stormwater BMPs identifying the party responsible for implementing the stormwater BMP
Operation and Maintenance Plan ("O&M Plan") and certifying the following:
i.) the O&M Plan is complete and will be implemented upon receipt of the Certificate of
Compliance, and
ii.) the future responsible parties shall be notified in writing of their ongoing legal
responsibility to operate and maintain the stormwater management BMPs and
implement the Stormwater Pollution Prevention Plan.
d) Post-construction pollution prevention and source control shall be implemented in
accordance with the long-term pollution prevention plan section of the approved
Stormwater Report and, if applicable, the Stormwater Pollution Prevention Plan required by
the National Pollution Discharge Elimination System Multi-Sector General Permit.
e) Unless and until another party accepts responsibility, the landowner, or owner of any
drainage easement, assumes responsibility for maintaining each BMP. To overcome this
presumption, the landowner of the property must submit to the issuing authority a legally
binding agreement of record, acceptable to the issuing authority, evidencing that another
entity has accepted responsibility for maintaining the BMP, and that the proposed
responsible party shall be treated as a permittee for purposes of implementing the
requirements of Conditions 18(f) through 18(k)with respect to that BMP. Any failure of the
proposed responsible party to implement the requirements of Conditions 18(f) through
18(k)with respect to that BMP shall be a violation of the Order of Conditions or Certificate
of Compliance. In the case of stormwater BMPs that are serving more than one lot, the
legally binding agreement shall also identify the lots that will be serviced by the stormwater
BMPs. A plan and easement deed that grants the responsible party access to perform the
required operation and maintenance must be submitted along with the legally binding
agreement.
f) The responsible party shall operate and maintain all stormwater BMPs in accordance
with the design plans, the O&M Plan, and the requirements of the Massachusetts
Stormwater Handbook.
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection -Wetlands 242-1766
WPA Form 5 - Order of Conditions MassDEP File#
ILI Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
Cityfrown
C. General Conditions Under Massachusetts Wetlands Protection Act (cont.)
g) The responsible party shall:
1. Maintain an operation and maintenance log for the last three (3) consecutive
calendar years of inspections, repairs, maintenance and/or replacement of the
stormwater management system or any part thereof, and disposal (for disposal the
log shall indicate the type of material and the disposal location);
2. Make the maintenance log available to MassDEP and the Conservation
Commission ("Commission") upon request; and
3. Allow members and agents of the MassDEP and the Commission to enter and
inspect the site to evaluate and ensure that the responsible party is in compliance
with the requirements for each BMP established in the O&M Plan approved by the
issuing authority.
h) All sediment or other contaminants removed from stormwater BMPs shall be disposed
of in accordance with all applicable federal, state, and local laws and regulations.
i) Illicit discharges to the stormwater management system as defined in 310 CMR 10.04
are prohibited.
j) The stormwater management system approved in the Order of Conditions shall not be
changed without the prior written approval of the issuing authority.
k) Areas designated as qualifying pervious areas for the purpose of the Low Impact Site
Design Credit(as defined in the MassDEP Stormwater Handbook, Volume 3, Chapter 1,
Low Impact Development Site Design Credits) shall not be altered without the prior written
approval of the issuing authority.
1) Access for maintenance, repair, and/or replacement of BMPs shall not be withheld.
Any fencing constructed around stormwater BMPs shall include access gates and shall be
at least six inches above grade to allow for wildlife passage.
Special Conditions (if you need more space for additional conditions, please attach a text
document):
20. For Test Projects subject to 310 CMR 10.05(11), the applicant shall also implement the
monitoring plan and the restoration plan submitted with the Notice of Intent. If the
conservation commission or Department determines that the Test Project threatens the
public health, safety or the environment, the applicant shall implement the removal plan
submitted with the Notice of Intent or modify the project as directed by the conservation
commission or the Department.
wpaform5.doc• rev.6/16/2015 Page 9 of 12
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Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection -Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File#
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
City/Town
D. Findings Under Municipal Wetlands Bylaw or Ordinance
1. Is a municipal wetlands bylaw or ordinance applicable? ® Yes ❑ No
2. The North Andover hereby finds (check one that applies):
Conservation Commission
a. ❑ that the proposed work cannot be conditioned to meet the standards set forth in a
municipal ordinance or bylaw, specifically:
1. Municipal Ordinance or Bylaw 2.Citation
Therefore, work on this project may not go forward unless and until a revised Notice of
Intent is submitted which provides measures which are adequate to meet these
standards, and a final Order of Conditions is issued.
b. ® that the following additional conditions are necessary to comply with a municipal
ordinance or bylaw:
North Andover Wetlands Protection Bylaw& Regulations Chapt. 190
1. Municipal Ordinance or Bylaw et.seq.
s. The Commission orders that all work shall be performed in accordance with the following
conditions and with the Notice of Intent referenced above. To the extent that the following
conditions modify or differ from the plans, specifications, or other proposals submitted with
the Notice of Intent, the conditions shall control.
The special conditions relating to municipal ordinance or bylaw are as follows (if you need
more space for additional conditions, attach a text document):
North Andover Conservation Commission Findings of Fact& Special Conditions (see
attached)
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Massachusetts Department mf Environmental Protection Provided byMameosP
ILIBUPe8U of Resource Protection -Wef)2DdS 242-1766
����� � � ���� � d� ��^�^ M�ooEPH�#
��u �� Form .� �� Order ��u �����������������
Massachusetts Wetlands Protection Act &4.G.L. �� 131 Q4O
` � ooEP Transaction#
North Andover
City/Town
E. S.gnatures
Important:When This Order is valid for three years, un|amm otherwise specified as a special 2
filling out forms condition pursuant to General Conditions#4.from the date of issuance. 1 Da
te Issuance
ontheonmpuhor.
use only the tab Please indicate the number of members who will sign this form.
key hn move your This Order must be signed bya majority of the Conservation Commission. 2. Number ofSigners
cumor-donot
use the return The Order must be mailed by certified mail (raturnreceipt requested) or hand delivered b>
key. h �delivered or filed electronically at the same time
with th appropriate MassDEP Regional Office.
Sig ures:
�l by hand delivery on ��° by certified mail, return receipt
requested, on �
�
Date Date �
F. Appeals �
The applicant, the owner, any person aggrieved by this Order, any owner of land abutting
the land subject this Order, or any ten residents of the city or town in which such land io
located, are hereby notified of their right to request the appropriate MassDEP Regional
Office to issue a Superseding Order of Conditions, The request must be made by certified
mail or hand delivery bm the Department, with the appropriate filing fee and acompleted
Request for Departmental Action Fee Transmittal Form, as provided |n31OCK8R1O.D3(7> �
` ' |
within ten business days from the date of issuance of this Order. A copy of the request shall
at the same time be sent by certified mail or hand delivery to the Conservation Commission
and to the applicant, if he/she is not the appellant. �
�
Any appellants seeking to appeal the Department's Superseding Order associated with this
appeal will be required to demonstrate prior participation in the review of this project. Previous
participation in the permit proceeding means the submission of written information to the
Conservation Commission prior to the close of the public hearing, requesting a
Superseding Order, or providing written information to the Department prior to issuance of
e Superseding Order.
The request shall state clearly and concisely the objections to the Order which is being
appealed and how the Order does not contribu'te to the protection of the*interests identified
in the Massachusetts Wetlands Protection Act(M.G.L. c. 131, §40), and is inconsistent
with the wetlands regulations (310 CMR 10.00). To the extent that the Order is based on a
municipal ordinance or bylaw, and not on the Massachusetts Wetlands Protection Act or !
�
regulations, the Department has no appellate jurisdiction.
�
°pa5mgs.mm^ m^mo5/2om Page Ym 7—
4
Massachusetts Department of Environmental Protection Provided by MassDEP:
LlBureau of Resource Protection -Wetlands 242-1766
WPA Form 5 — Order of Conditions MassDEP File
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 eDEP Transaction#
North Andover
City/Town
G. Recording Information
Prior to commencement of work, this Order of Conditions must be recorded in the Registry of
Deeds or the Land Court for the district in which the land is located, within the chain of title of
the affected property. In the case of recorded land, the Final Order shall also be noted in the
Registry's Grantor Index under the name of the owner of the land subject to the Order. In the
case of registered land, this Order shall also be noted on the Land Court Certificate of Title of
the owner of the land subject to the Order of Conditions. The recording information on this page
shall be submitted to the Conservation Commission listed below.
North Andover
Conservation Commission
Detach on dotted line, have stamped by the Registry of Deeds and submit to the Conservation
Commission.
---------------------------------------------------------------------------------------------------------------
To:
North Andover
Conservation Commission
Please be advised that the Order of Conditions for the Project at:
1600 Osgood Street 242-1766
Project Location MassDEP File Number
Has been recorded at the Registry of Deeds of:
Northern Essex
County Book Page
for: 1600 Osgood Street, LLC &Osgood Landing, LLC c/o Ozzy Properties c/o Orit
Goldstein
and has been noted in the chain of title of the affected property in:
8213 272
Book Page
In accordance with the Order of Conditions issued on:
02-20-20
Date
If recorded land, the instrument number identifying this transaction is:
Instrument Number
If registered land, the document number identifying this transaction is:
Document Number
Signature of Applicant
wpaform5.doc• rev.6/16/2015 Page 12 of 12
1600 Osgood Street- DEP FILE #242 - 1766
The North Andover Conservation Commission (hereinafter the "NACC") sets forth the
following findings of fact:
Project Site Location:
1600 Osgood Street (aka Osgood Landing), Assessor Map 34 Lots 15, 17, 54 &55, consisting
of approximately 168 acres, (hereinafter collectively considered "the project site" as governed
under this Order of Conditions regardless of lot line reconfiguration that may be proposed in
the future, currently under review or recently approved), is located in the northwest corner
of North Andover,MA. The project site is bound to the north by the MBTA commuter rail
tracks and the Merrimack River,to the east by Osgood Street (Route 125), to the south by
Holt Road and to the west by industrial businesses and a capped landfill. The project site lies
entirely within the Merrimack River watershed and is zoned Industrial 2 District and Osgood
Smart Growth Overlay District.
Project Site Development &Use History
The site was originally developed in the 1950's for a single user known as Western Electric,
and sometime thereafter was acquired and operated by Lucent Technologies, Inc. The site
had historically hosted a single-tenant manufacturing user and appurtenant office space,
until 1993 when the current owner expanded uses at the property to multiple users and
tenants including manufacturing, office space, educational, distributions and other
businesses. The site was extensively used for the manufacturing, testing and distribution of
telecommunications equipment through the late 1990's. The site has undergone significant
environmental assessment and remediation in accordance with MCP 310 CMR 40, for the
main historic contaminants of heavy metals and chlorinated solvents in soil and
groundwater, which have been remediated. The property is the subject of an AUL recorded
at the Essex North Registry of Deeds at Book 11271,Page 142 on July 31, 2008. The AUL
addresses four separate sources of potential contamination, identified as DEP Release
Tracking No.(s): 3-0174, 3-21863,3-23204 and 3-25333. Contaminants vary by RTN and are
associated with historical uses of the property predating 1600 Osgood Street,LLC's
acquisition of the property. A Permanent Solution was reached by the filing of an RAO with
the DEP,which took place in October of 2016.
Project Site Permit History
The project site has been subject to previous permitting with the NACC,which includes the
following:
• MassDEP File No. 242-417-OOC for stormwater BMP modifications and maintenance-CofC
issued
• MassDEP File No. 242-751 - OOC for repair/replacement of stormwater BMP's,and
associated resource area alteration and replication-CofC issued
• MassDEP File No. 242-903- OOC for sewer force main connection in bank,BLSF and BZ-
CofC issued
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• MassDEP File No. 242-1314- OOC for 18" drain line and reconstruct headwall in BZ for
stormwater discharges associated with 190,000 s.f. parking lot constructed outside of BZ-
CofC issued
• MassDEP File No. 242-1336- ORAD
• MassDEP File No. 242-1352-OOC for overdue stormwater maintenance-CofC not yet issued
• MassDEP File No. 242-1513 -OOC expired,work never commenced-CofC issued
• MassDEP File No. 242-1744- ORAD
Project Site Existing Conditions:
Jurisdictional Wetland Resources: The NACC issued an Order of Resource Area
Delineation (ORAD),DEP File #242-1744, on January 24, 2019 confirming jurisdictional
wetland resources regulated under the Massachusetts Wetlands Protection Act and the
North Andover Wetlands Protection Bylaw located on the project site. The ORAD
decision plans of record, entitled"Wetland Delineation Plans" prepared by Langan
Engineering and Environmental Services, stamped and signed by Andrew G. Ives, PLS,
Sheets VW101-VW111, final revision dated December 10, 2018, depict the following
jurisdictional wetland resource areas:
• Bordering Vegetated Wetland (BVW);
• Isolated Vegetated Wetland (IVW regulated under the Bylaw only);
• 200-Foot Riverfront Area, as determined by delineation of the Mean Annual High
Water, associated with the Merrimack River and three (3) unnamed perennial
stream segments which are tributaries to the Merrimack River;
• Bordering Land Subject to Flooding (i.e. 100-Year Floodplain, Base Flood Elevation
of 31 NAVD 88);
• 100-Foot Buffer Zone (a jurisdictional resource regulated under the Bylaw only).
The approved plan set under this Order of Conditions accurately depicts the wetland
resources as approved above.
The 2018 NHESP atlas does not identify an area of estimated or priority habitat, potential
or certified vernal pools on or near the project site.
Current Project Site Conditions: Approximately 126 of the +/-168 acres on site is
currently developed with more than 40 buildings,totaling approximately 1.9 million
square feet associated with buildings, paved parking,utilities, stormwater infrastructure,
landscaping and associated appurtenances. The project site hosts a variety of uses,which
include a 6 MW solar energy facility (both ground and roof mounted), manufacturing,
office space, educational, distributions and other businesses.
Notice of Intent DEP File #242-1776 Procedural History:
On August 28, 2019, the NACC received a Notice of Intent and associated attachments,
stormwater management report, and site plans for proposed work at 1600 Osgood Street,
Assessor Map 34 Lots 15,17, 54 &55. The NACC held the public hearing at its September 11,
2019,September 25,2019, November 6, 2019, December 11, 2019,January 22,2020 and
February 5, 2020 meetings.
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At its September 25, 2019 meeting, the NACC voted to form a subcommittee consisting of
three Commission members to meet separately with project representatives in order to
facilitate detailed discussions about the project. The topics of discussion included
stormwater management, materials management (including demolition and reuse of on-site
material, import of materials/fill,hazardous materials management/abatement),
construction phasing/sequencing, exposure times of recycled materials on site and associated
controls, groundwater conditions and pH monitoring. Throughout the subcommittee
process, supplemental information and plan revisions were submitted, reviewed and
discussed at length. These plan revisions and supplemental information intended to address
the NACC's questions regarding the various project elements of concern and were presented
to the Commission during the public hearing meetings. The subcommittee met on three
separate occasions, and reported out to the entire NACC at subsequent public hearings
summarizing topics discussed and subcommittee members' general recommendations for the
Commission's consideration.
Horsley Witten(HW) performed a third party peer review of the proposed stormwater
management plan and calculations on behalf of the Town. HW provided its final approval of
same in its October 10, 2019 review letter.
At its February 5, 2020 meeting, having received sufficient information, and there being no
further need for supplemental information and no remaining questions from the NACC or
the public (no public comment was received), the NACC voted 3-1-3 (three in favor, one
opposed, and three abstentions) to close the hearing and issue an Order of Conditions within
21 days. The NACC reviewed and amended a draft Order of Conditions that same evening,
and voted 3-1-3 (three in favor, one opposed and three abstentions) to issue an Order of
Conditions, Findings of Facts and Special Conditions approving the project under the
Massachusetts Wetlands Protection Act and the North Andover Wetlands Protection Bylaw.
It is noted that the extended number of public hearings resulted in a minimum quorum of the
NACC being eligible to vote on the project. With this potential complication in mind,the
NACC closed its hearing prior to the Planning Board having rendered its decisions on the
project under Site Plan and various Special Permits applications and it was determined that
the remaining issues under PB review will likely not result in significant revisions to the site
plan as approved by the NACC. Nevertheless, Special Condition #42.a. &47 are meant to
capture plan changes that may conflict with the Conditions of this Order and provide an
avenue for NACC review.
Therefore, the NACC hereby finds that the following conditions are necessary, in accordance
with the Performance Standards set forth in the State Regulations, the local Bylaw and
Regulations,to protect those interests noted above. The NACC orders that all work shall be
performed in accordance with said conditions and with the Notice of Intent/approved plans
referenced below. To the extent that the following conditions modify or differ from the
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1600 Osgood Street- DEP FILE# 242 - 1766
plans, specifications or other proposals submitted with the Notice of Intent, the conditions
shall control.
GENERAL CONDITIONS
20. The proposed work includes: redevelopment of a portion of the +/-168-acre
industrial/commercial site located at 1600 Osgood Street, Assessor Map 34 Lots 15,17,
54 &55. Work includes demolition of certain existing buildings, pavement removal,
and proposed construction of a new approximately 819,800 square foot (3.7+ million
gross square foot) e-commerce storage,warehouse and distribution facility,with
accessory office and other uses, construction of parking, site access, utilities,
reconfiguration/relocation of ground mounted solar array, stormwater management,
lighting, grading, landscaping and other associated improvements. The project will
result in a reduction in impervious surface on site by 11+ acres. Work is proposed
within Bordering Land Subject to Flooding, 200-Foot Riverfront Area, 100-Foot Buffer
Zone as more fully described below in Special Condition#32.
21. The work shall conform to the following (except as noted in the remainder of this
document where revisions may be required):
• Notice of Intent: dated August 28, 2019, with associated attachments, filed by:
o Applicant: Hillwood Enterprises, LP c/o Sean O'Brien
4507 North Front Street,Suite 302
Harrisburg, PA 17110
o Property Owner: 1600 Osgood Street, LLC & Osgood Landing, LLC c/o
Ozzy Properties c/o Orit Goldstein
1600 Osgood Street
North Andover, MA 01845
• Representative:
o Michael Howard
Epsilon Associates,Inc.
3 Mill and Main Place, Suite 250
Maynard, MA 01754
• Record Site Plans: "Permit Site Plans - North Andover, Massachusetts,Proposed
Redevelopment for Hillwood Enterprises, LP and 1600 Osgood Street, LLC",
prepared by Langan Engineering and Environmental Services, Inc., signed and
stamped, as applicable,by John D. Plante,PE; Andrew G. Ives,PLS; Michael Szura,
RLA; and Frederico Chiappina, RA:
o CS001 Cover Sheet-last revised 01/24/20
o CS002 Master Legend &Notes -last revised 01/24/20
o VL101 -VL113 ALTA/NSPS Land Title Survey -last revised 03/26/19
1600 Osgood Street DEP File 4242-1766 NACC Findings&Special Conditions
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o CS100 Site Plan- Overall-last revised 11/08/19
o CS101 - CS108 Site Plan I-VIII -last revised 11/08/19
o CS200 Reclaimed Concrete and Asphalt Pavement Placement Plan-last
revised 01/24/20
o CS501 - CS505 Site Details IN- last revised 01/24/20
o CP101 - CP108 Signage &Striping Plan I-VIII -last revised 10/17/19
(CP103 &CP10611/08/19)
o CP501 - CP503 Signage &Striping Details I-III -last revised 10/17/19
o TM101 -TM103 Truck Movements Lot A,B &C -last revised 10/17/19
o CG100 -CG108 Grading &Drainage Plan Overall, I-VIII -last revised
11/08/19
o CG201 - CG203 Drainage Structure Reference Sheet I-III- last revised
11/08/19
o CG501 -CG504 Grading &Drainage Details I-IV-last revised 10/17/19
o CG800 -CG802 Compensatory Storage Overall Plan,1-11 - last revised
07/25/19
o CU100 Overall Utility Plan-last revised 01/24/20
o CU101 -CU108 Utility Plan I-VII -last revised 01/24/20 (Plan I 11/08/19)
o CU201 Alternate Sanitary Connection Plan- last revised 01/24/20
o CU501 - CU502 Utility Details 1-II- last revised 01/24/20
o CE101 -CE103 Soil Erosion&Sediment Control Plan(Phase 1) I-III -last
revised 10/17/19
o CE201 - CE203 Soil Erosion &Sediment Control Plan(Phase 2) I-III -last
revised 10/17/19
o CE301 -CE303 Soil Erosion&Sediment Control Plan (Phase 3) I-III -last
revised 10/17/19
o CE501 - CE50502 Soil Erosion &Sediment Control Details I-1I - last revised
11/08/19 &10/17/19 respectively
o LP100 Overall Planting Plan-last revised 01/24/20
o LP101 -LP108 Planting Plan I-VIII - last revised 10/17/19
o LP501 -LP502 Planting Details I-11 -last revised 10/17/19
o LL100 Overall Lighting Plan-last revised 10/17/19
o LL101 -LL108 Lighting Plan I-VIII -last revised 10/17/19
o LL501 Lighting Details - last revised 10/17/19
• Architectural Plans: prepared by MacGregor Associates Architects:
o G100 - Architectural Site Plan- last revised 07/25/19
o G101 - Overall Ground Floor -last revised 06/05/19
o G102- Overall Mexx. Floor-last revised 07/25/19
o G103 - Overall RSP Level 2 -last revised 06/05/19
o G-104 -Overall RSP Level 3 -last revised 07/25/19
o G-105 -Overall RSP Level 4 -last revised 07/25/19
1600 Osgood Street DEP File 9242-1766 NACC Findings&Special Conditions
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1600 Osgood Street- DEP FILE 4 242 - 1766
o G-106 - Overall RSP Level 5 -last revised 07/25/19
o G-107-Overall Roof Plan-last revised 07/25/19
o G-108 - Building Sections - last revised 07/25/19
o G-108a-Sections-last revised 07/25/19
o G-109 - Building Elevations- last revised 07/25/19
o G-109a- Building Elevations -last revised 07/25/19
o G-110 -Enlarged Plans -last revised 07/25/19
o G-201 - Ground Floor Restroom Locations -last revised 07/25/19
o G-202 - Mezzanine Level-last revised 07/25/19
o G-203 - Restroom Locations RSP Levels 2-5 -last revised 07/25/19
o A-001 - Cover Sheet-last revised 12/01/19
o A-002- Architectural Site Plan-last revised 12/01/19
o A-003 -Egress Plans -Level 1 &2-last revised 12/01/19
o A-004-Egress Plans - Level 3 -last revised 12/01/19
o A-011 - Demo-Plan&Elevation-last revised 12/01/19
o A-101 -Floor Plans Building 20 &21 -last revised 12/01/19
o A-110 -Partial Floor Plan Building 20 &21 - A-last revised 12/01/19
o A-111 -Partial Floor Plan Building 20 &21 -B -last revised 12/01/19
o A-112-Partial Floor Plan Building 20 &21 - C-last revised 12/01/19
o A-113-Partial Floor Plan Building 20 &21 - D -last revised 12/01/19
o A-300 -Elevations Building 20 &21 -last revised 12/01/19
o A-301 -Elevations -last revised 12/01/19
o A-400 -Wall Section-last revised 12/01/19
o A-401 -Wall Sections -last revised 12/01/19
o A-402- Wall Section-last revised 12/01/19
o A-501 -Masonry Details -last revised 12/01/19
o A-502- Masonry Details-last revised 12/01/19
o A-503 -Flashing 31) Details -last revised 12/01/19
o A-504- Metal Panel Details -last revised 12/01/19
o A-505 - Detials-last revised 12/01/19
o A-601 -Interior Wall Types &Details -last revised 09/18/19
o A-700 -Door Details &Hardware - last revised 12/01/19
o A-701 -Storefront Details -12/01/19
• Record Stormwater Management Report: "Stormwater Management Report for
Proposed Redevelopment, 1600 Osgood Street, North Andover, Massachusetts"
and associated attchements and maps, prepared for Hillwood Enterprises,L.P.,
prepared by Langan Engineering and Environmental Services, signed and stamped
by Timothy D. O'Neill and John D. Plante,final revision dated October 3,2019.
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1600 Osgood Street-DEP FILE 9 242 - 1766
• Record Stormwater Operations and Maintenance Plan: "Long Term Pollution
Prevention Operation and Maintenance Plans", (Appendix "G" in the Record
Stormwater Management Report, prepared by Langan Engineering and
Environmental Services. (attached hereto)
• Other Record Documents:
o Preliminary Geotechnical Engineering Study for 1600 Osgood Street, North
Andover,MA prepared by Langan Engineering and Environmental
Services, signed by Clayton Patterson and John D. Plante, dated November
29,2018;
o EMSL Analytical, Inc. Test Report: Asbestos Analysis of Bulk Materials via
EPA 600/R-93/116 Method using Polarized Light Microscopy, dated
December 9, 2019;
o Stormwater Peer Review Letter prepared by Horsley Witten, Renee L.
Bourdeau and Janet Carter Bernardo dated September 10, 2019 Ref: 1600
Osgood Street,Town of North Andover;
o Memorandum, prepared by Langan Engineering and Environmental
Services, Timothy O'Neill and Nathan Kierschner, dated October 3, 2019;
o Stormwater Peer Review Letter prepared by Horsley Witten, Renee L.
Bourdeau and Janet Carter Bernardo, dated October 10, 2019 Ref: 1600
Osgood Street, Town of North Andover;
o Technical Memorandum with Figures 1-3 (11 pages total) Prepared by
Langan Engineering &Environmental Services
RE: Environmental and Hazardous Building Materials and pH Monitoring
Protocols, 1600 Osgood Street Redevelopment Project,North Andover,
Massachusetts,Langan project No.: 140182701 (note: pH protocols
superseded by January 3, 2020 Protocol listed below)
Dated October 21, 2019;
o pH Monitoring Protocol -1600 Osgood Street Redevelopment Project
MassDEP File NO. 242-1766
Dated January 3, 2020.
22. The term"Applicant" as used in this Order of Conditions shall refer to the owner, any
successor in interest or successor in control of the property (i.e. the project site as
described above) referenced in the Notice of Intent, supporting documents and this
Order of Conditions. The NACC shall be notified in writing within 30 days of all
transfers of title of any portion of property that takes place prior to the issuance of a
Certificate of Compliance.
23. The conditions of this decision shall apply to, and be binding upon, the applicant,
owner, its employees and all successors and assigns in interest or control. These
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obligations shall be expressed in covenants in all deeds to succeeding owners of
portions of the property.
24. Failure to comply with all conditions stated herein, and with all related statutes and
other regulatory measures, shall be deemed cause to revoke or modify this Order.
25. This Order does not grant any property rights or any exclusive privileges;it does not
authorize any injury to private property or invasion of property rights. However, the
NACC, agent of the NACC or the Department of Environmental Protection(DEP)
reserves the right to enter and inspect the property at all reasonable times until a
Certificate of Compliance is issued, to evaluate compliance with this Order of
Conditions, the Act(310 CMR 10.00), the North Andover Wetland Bylaw and
Regulations, and may require any information, measurements, photographs,
observations, and/or materials, or may require the submittal of any data or
information deemed necessary by the NACC for that evaluation. Further,work shall
be halted on the site if the NACC, agent or DEP determines that any of the work is not
in compliance with this Order of Conditions. Work shall not resume until the NACC
is satisfied that the work will comply and has so notified the applicant in writing.
26. This Order does not relieve the permittee or any other person of the necessity of
complying with all other applicable federal, state or local statutes, ordinances, by-laws
or regulations.
27. The work authorized hereunder shall be completed within three years from the date of
this order.
28. This Order may be extended by the issuing authority for one but not more than two
periods of up to one year each upon application to the issuing authority at least thirty
days (30) prior to the expiration date of the Order (Refer to Section 8.3) of the North
Andover Wetland Regulations).
29. The NACC reserves the right to amend this Order of Conditions after a legally
advertised public hearing if plans or circumstances are changed or if new conditions
or information so warrant.
30. Where the Department of Environmental Protection (DEP) is requested to make a
determination and to issue a Superseding Order,the Conservation Commission shall
be a party to all agency proceedings and hearings before the Department.
31. [LIMITED PROJECT:] Any future project which proposes a wetland crossing in order
to access certain portions of the property will not be qualified as a limited project
roadway under 310 CMR 10.53(e).
32. The following wetland resource areas are affected by the proposed work:
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• Bordering Land Subject to Flooding:
0 77,584 c.f. to be filled
0 132,001 c.f. of compensatory storage to be provided, equaling an net
increase of 54,417 c.f.which will be sown with a native meadow seed mix
• 200-Foot Riverfront Area (6.7 acres previously developed, impervious and
degraded) and construction of the project will result in:
0 1.4 acres of impervious surface
0 4.3 acres converted to upland meadow habitat
o .23 acres converted to compensatory flood storage and meadow habitat
o .75 acres consisting of stormwater management system improvements
• 100-Foot Buffer Zone (and its associated 25' NDZ and 50' NBZ)
o Work within the Buffer Zone includes removal of paved surfaces, solar
array relocation and associated gravel access drive, site access
improvements, grading and retaining wall construction, paved parking,
stormwater management improvements, and seeding with meadow seed
mix. Permanent disturbance and structures shall remain outside the 25'
NDZ and 50' NBZ and therefore the project requires no waivers aside
from allowance for work to restore said areas from their degraded
conditions, for which the NACC so voted.
These resource areas are significant to the interests of the Act and Town Bylaw as
noted above and therein. The applicant has not attempted to overcome the
presumption of significance of these resource areas to the identified interests.
33. The NACC finds that the intensive use of the upland areas and buffer zone can cause
further alteration of the wetland resource areas. Therefore,in order to prevent any
alteration of wetland resource areas a twenty five foot(25') No-Disturbance Zone and
a fifty foot (50') No-Construction Zone shall be established from the edge of the
adjacent wetland resource area. The Conservation Administrator and/or other agents
of the NACC do not have the authority to waive these setbacks as established under
the local bylaw. No disturbance of existing grade, soils or vegetation is permitted in
the No-Disturbance zone notwithstanding proposed mitigation measures within the
buffer zone and resource areas as approved under this Order of Conditions. (See
Section 3.4 &Appendix F of the local Regulations).
34. This document shall be included in all construction contracts, subcontracts, and
specifications dealing with the work proposed and shall supersede any conflicting
contract requirements. The applicant shall assure that all contractors, subcontractors,
and other personnel performing the permitting work are fully aware of the permits
terms and conditions. Thereafter, the contractor will be held jointly liable for any
violation of this Order resulting from failure to comply with its conditions.
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35. The owners of the project and their successors in title agree that the Order does not in
itself impose upon the Town any responsibility to maintain the proposed drainage
system and that said Town shall not be liable for any damage in the event of failure.
By acceptance of this Order,the owners agree to indemnify and hold harmless to the
Town and its residents for any damage attributable to alterations undertaken on this
property pursuant to the Order. Issuance of these Conditions does not in any way
imply or certify that the site or downstream areas will not be subject to flooding, storm
damage or any other form of water damage. Maintenance of the drainage system,if
accepted by the Town as part of a public way, becomes the responsibility of the Town.
36. Issuance of these Conditions does not in any way imply or certify that the site or
downstream areas will not be subject to flooding, storm damage or any other form of
water damage.
PRIOR TO CONSTRUCTION
37. No work shall be undertaken until all administrative appeal periods from this Order
have elapsed or, if such an appeal has been filed, until all proceedings before the
Department or Court have been completed.
38. This Order shall be recorded,in its entirety,by the applicant at the Registry of Deeds
immediately after the expiration of all appeal periods. No work shall be undertaken
until the Final Order has been recorded in the Registry of Deeds or the Land Court for
the district in which the land is located,within the chain of title of the affected
property. In the case of recorded land, the Final Order shall also be noted in the
Registry's Grantor Index under the name of the owner of the land upon which the
proposed work is to be done. In the case of registered land, the Final Order shall also
be noted on the Land Court Certificate of Title of the owner of the land upon which
the proposed work is to be done. The recording information shall be submitted to the
North Andover Conservation Commission on the form at the end of this Order prior
to commencement of the work. Any Order not recorded by the applicant before work
commences may be recorded by the NACC at the applicant's expense.
39. A check payable to the Town of North Andover shall be provided in the amount of
fifty thousand dollars ($50,000) which shall be in all respects satisfactory to Town
Counsel,Town Treasurer, and the NACC, and shall be posted with the North
Andover Town Treasurer through the NACC before commencement of work. Said
deposit of money shall be conditioned on the completion of all conditions hereof, shall
be signed by a party or parties satisfactory to the NACC, and Town Counsel, and shall
be released after completion of the project, provided that provisions, satisfactory to the
NACC,have been made for performance of any conditions which are of continuing
nature. The applicant may propose a monetary release schedule keyed to completion
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of specific portions of the project for the NACC's review and approval. This condition
is issued under the authority of the local Bylaw.
40. The applicant shall designate a Wetland Scientist (or other qualified environmental
professional as approved by the NACC or its agent) as an"Erosion Control Monitor"
to oversee any emergency placement of controls and regular inspection or
replacement of sedimentation control devices. Proof of the retained monitor must be
submitted to the Conservation Department on letterhead by the retained consulting
firm in time for the sit-down meeting. Contact information for the erosion control
monitor shall be forwarded to the Conservation Department in time for the sit-down
meeting. This person shall be given the authority to stop construction for the
purposes of correcting problems with erosion control. The Environmental
Professional will immediately notify the Conservation agent of any matter that
requires attention by the Commission or the agent. The erosion control monitor
must be available during any 24-hour period, including weekends in case of an
emergency. The erosion control monitor will be required to inspect all such devices
and oversee cleaning and the proper disposal of waste products. Cleaning shall
include removal of any entrapped silt.
41. The applicant shall secure the services of a Licensed Site Professional to oversee
demolition activities, site abatement, pH monitoring protocol and associated work on
site in to ensure execution of and compliance with Langan s October 21,2019
Technical Memorandum with Figures 1-3 (11 pages total) Prepared by Langan
Engineering &Environmental Services RE: Environmental and Hazardous Building
Materials and pH Monitoring Protocols, 1600 Osgood Street Redevelopment Project,
North Andover,Massachusetts and the memorandum entitled pH Monitoring
Protocol- 1600 Osgood Street Redevelopment Project MassDEP File NO. 242-1766
Dated January 3, 2020. Contact information for the LSP shall be forwarded to the
Conservation Department in time for the sit-down meeting.
42. Prior to work commencing on site and the on-site pre-construction meeting, the
following documents and materials shall be submitted and then the contractor,
applicant, project engineer, erosion control monitor and LSP shall arrange a sit-down
meeting with the Conservation Administrator (and Planning Department staff, if
available) to review and establish the following:
a. 100% construction drawings accompanied by a memorandum that details plan
revisions versus the approved plan set referenced in this Order and shall be
submitted to the Conservation Department. The memorandum shall provide a
review of any revisions within the Commission's jurisdiction and resulting
conflicts with the Special Conditions of this Order. The Conservation
Department in consultation with the Chairman shall make a determination as to
whether said revisions can be reviewed administratively or by way of
modification or amendment with the Commission.
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b. A copy of the Order of Conditions,with each page bearing the general
contractor/site supervisor's initials to ensure acknowledgment/understanding
of all conditions herein.
c. The Stormwater Pollution Prevention Plan (SWPPP) shall be submitted and
provisions therein shall be reviewed, to ensure their understanding and
expectations for construction. The SWPPP shall be prepared in accordance with
the U.S Environmental Protection Agency's Stormwater Construction General
Permit(USEPA, 2012) and related guidance document entitled"Developing
Your Stormwater Pollution Prevention Plan: A Guide for Construction
Operators".
d. A narrative shall be submitted that provides a construction sequence/means
and methods for limiting the time that RCA is exposed to the elements while
being manipulated. Means and methods for materials management and their
exposure time shall be reviewed and memorialized (See Conditions #57 &58).
During the subcommittee meetings and the public hearings, this concept was
discussed and anticipated to be incorporated into project implementation.
e. A detailed sequence/schedule of construction, installation of
sedimentation/erosion control devices and re-vegetation that align with the
plan set Phase I, II and II for the Soil Erosion&Sedimentation Control program
for the site, which identifies a specific suite of erosion control BMP's for said
phases. These phases shall be reviewed during the sit-down meeting.
f. De-watering means and methods, should they be required (see Condition#66).
g. A schedule for notification and material/information delivery to the
Conservation Department on project phase milestones (i.e. erosion control
phasing, pH monitoring etc...) shall be memorialized at the sit-down meeting.
h. Review of the entire Order of Conditions to ensure understanding by all
parties.
i. A contact list for all responsible parties for site development and monitoring
phases. Contact list shall include names,role, cell and office phone numbers,
mailing addresses and email addresses.
43. Prior to construction and in time for the on-site pre-construction meeting the
following shall be implemented/prepared for Conservation Department inspection:
a. A sign,visible from the street, shall be displayed at the site,visible from the
public right of way,not less than two square feet or more than three square feet
in size bearing the words "Massachusetts DEP,File Number 242-1766."
b. All erosion control measures shall be properly installed,by survey in the field,
between all construction areas and wetlands as shown on the approved plan set
Phase 1, II and 11 for the Soil Erosion&Sedimentation Control.
c. As each Soil Erosion&Sedimentation Control phase comes on line, the
installed erosion control BMP's shall be inspected and approved by the NACC
or its agent prior to the start or continuation of construction(as appropriate per
phase) and shall remain intact until all disturbed areas have been permanently
stabilized to prevent erosion. All additional erosion prevention and
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1600 Osgood Street-DEP FILE#242 - 1766
sedimentation protection measures found necessary during construction shall
be implemented at the direction of the NACC or its agent. The NACC reserves
the right to impose additional conditions on portions of this project to mitigate
any impacts,which could result from site erosion, or any noticeable
degradation of surface water quality discharging from the site. For example,
installation of erosion control measures may be required in areas not shown on
the plan(s) referenced in this Order of Conditions. Should such installation be
required by the NACC, they shall be installed within 48 hours of the
Commission's request.
d. Wetland flagging shall be checked prior to start of construction and shall be re-
established where missing. All wetland flagging shall remain visible and
enumerated per the approved plan(s) throughout the life of the project and
until a Certificate of Compliance is issued so that erosion control measures can
be properly placed and wetland impacts can be monitored. Such barriers shall
be checked and replaced as necessary and shall be maintained until all
construction is complete.
e. All existing and proposed catch basins and any other stormwater inlets on the
site or on the streets adjacent to the project shall be protected by
erosion/sedimentation controls to prevent sediment from entering the drainage
system. Erosion/sedimentation controls shall be maintained and regularly
cleaned of sediments until all areas associated with the work permitted by this
Order have been permanently stabilized and the Commission has formally
approved their removal.
f. The applicant shall have on hand at the start of any soil disturbance, removal or
stockpiling, an additional 100 feet of silt sock/compost filter tube,silt fence
and sufficient stakes for staking covered from the elements, and shall be used
only for the control of emergency erosion problems and shall not be used for
the normal control of erosion. The NACC or its Agent shall have the discretion
to require additional emergency erosion control BMP's to be brought to the site
if deemed necessary.
g. Prior to construction or as soon as logistically possible considering demolition
activities proposed within the NDZ,the applicant shall permanently mark the
No Disturb Zone with weather resistant monuments, installed at intervals
agreed upon in consultation with the Commission or designated agent,bearing
markers reading: "Protected Wetland Resource Area" at a ratio of one square
marker for every three round markers. This will designate the wetland
resource sensitivity and assure no further inadvertent encroachment into the
wetland. Prior to installation in the field, the placement of these permanent
markers shall be subject to review and approval by the Conservation
Administrator. The applicant shall instruct all agents to explain these markers
to buyers/lessees/landscapers and all persons taking over the property from
the applicant. These markers shall remain posted and be replaced as necessary
in perpetuity. Said markers are available for purchase in the Conservation
Department at Town Hall.
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h. Prior to any work commencing on site, it is the responsibility of the applicant to
procure all other applicable federal, state and local permits and approvals
required for this project, or phases of the project where appropriate, and no
work within the Commission's jurisdiction shall commence until all other
state or local permits, approvals, and variances have been obtained. This is
to ensure that impact to jurisdictional areas are avoided in the case that any
such permit is denied or withheld for any period of time, thereby maintaining
the integrity of the resource area or buffer zone until such time all approvals
are granted.
44. The erosion controls shall serve as the limit of work. Workers should be informed that
no use of machinery, storage of machinery or materials, stockpiling of soil, or
construction activity is to occur beyond this line at any time.
45. Once these above mentioned pre-construction requirements are complete, the
applicant shall contact the Conservation Office prior to site activities and shall arrange
an on-site conference with an NACC representative,the contractor, erosion control
monitor, project engineer and the applicant to ensure that all of the Conditions of this
Order are understood. A reasonable period of time shall be provided as notice of the
pre-construction meeting (e.g. 72 hours).
46. At least once during each week in which construction activities occurs on-site and for
as long thereafter as ground remains unstabilized,the applicant shall submit a written
report with photographs from the "Erosion Control Monitor' to the NACC certifying
that, to the best of his/her knowledge and belief based on a careful site inspection, all
work is being performed in compliance with this Order of Conditions and that
approved setbacks are being adhered to. The erosion control monitor must visually
inspect all sedimentation/erosion control measures and assume responsibility for their
maintenance on a weekly basis and that they are functioning as intended. In addition,
all wetland resource areas must be visually inspected for siltation, turbidity, and/or
other water quality impacts. The Erosion Control Monitor shall be on site during and
following a major storm event of 1/2" inch of rain or greater (24 hour event) to ensure
that soils remain stable, and erosion controls are adequate and secure.
47. No changes to the approved plan shall be implemented in the field until written
approval has been granted by the NACC. Any changes in the submitted plans caused
by the applicant, another Board's decision or resulting from this Order of Conditions
must be submitted to the NACC for approval prior to implementation. If the NACC
finds said changes to be significant, the NACC will call for another public hearing (at
the expense of the applicant). Within 21 days of the close of said public hearing the
NACC will issue an amended or new Order of Conditions. Any errors found in the
plans or information submitted by the applicant shall be considered as changes.
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48. It is the responsibility of the applicant, owner, and/or successor(s) to ensure that all
conditions of this Order of Conditions are complied with. The project engineer and
contractors are to be provided with a copy of this Order of Conditions and referenced
documents before commencement of construction.
49. The applicant and/or the legal owner of that portion of land upon which these Orders
of Conditions have been placed shall provide to the NACC prior to transferring, or
assigning any portion of said land to another party, subject to said Orders of
Conditions, the "Compliance Certification Form Affidavit" attached via"Appendix
A" signed under the pains and penalties of perjury, stating that said applicant and/or
owner has read these Orders of Conditions and is in compliance with each and every
condition. This document shall apply to each of the conditions referenced herein and
shall be provided to the Conservation Department at least five (5) business days prior
to the closing of said land transaction.
STORMWATER MANAGEMENT CONDITIONS
50. There shall be no increase in the post development discharges from the storm drainage
system or any other changes in post development conditions that alter the post
development watershed boundaries as currently depicted in the Notice of Intent and
approved by this Order of Conditions,unless specifically approved in writing by the
Commission.
51. The proposed stormwater management facilities shall be constructed in compliance
with the approved plans, and their preparation and installation shall be overseen by
the design engineer or other qualified professional so as to certify compliance and
correct means and methods for their construction.
52. Water quality in down gradient BVW's shall not differ significantly following
completion of the project from the pre-development conditions. There shall be no
sedimentation into wetlands or water bodies from discharge pipes or surface runoff
leaving the site.
53. All new catch basins shall contain oil/grease traps, and it shall be a continuing
condition of this order, even after a Certificate of Compliance is issued,that the
oil/grease traps in the catch basins be maintained. All catch basins shall be free of all
accumulated silt and debris before a Certificate of Compliance is issued and the owner
or his/her agent shall so specify in the request for Compliance.
54. Prior to the issuance of the Certificate of Compliance, the applicant shall be
responsible for cleaning all stormwater structures, in accordance with the approved
Post Construction Operation and Maintenance Plan (O&M) attached herein and the
associated stormwater management conditions mandated herein. Evidence of said
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cleaning (i.e. invoices/bills of lading) shall be submitted to the Conservation
Department for its file.
55. The applicants, owners, and their successors and assignees, shall maintain all culverts,
collections basins, traps, outlet structures, subsurface storage areas, and other
elements of the drainage system, unless put into an easement to the Town of North
Andover, in order to avoid blockages and siltation which might cause failure of the
system and/or detrimental impacts to on-site or off-site resource areas, and shall
maintain the integrity of vegetative cover on the site.
56. All stormwater best management practices shall be maintained as specified in the
attached Pollution Prevention and Operation and Maintenance Plan(O&M) submitted
with the Notice of Intent and incorporated in the Order of Conditions. Evidence of
maintenance of the stormwater management system shall be provided to the NACC
on an annual basis by a Registered Professional Civil Engineer or other qualified
professional post construction. The first report shall be submitted to the NACC one
year after the first stormwater structure goes on-line. The approved Operation &
Maintenance Plans are fully binding upon the applicant and/or owners, successors,
agents, associations,heirs and assigns and must be adhered to in perpetuity.
DURING CONSTRUCTION
57. Recycled Concrete Aggregate ("RCA") shall not be stockpiled or reused by the
Applicant within areas on Lot B subject to protection under the Wetlands Protection
Act and North Andover Wetlands Bylaw, including but not limited to the 100 foot
Buffer Zone,Bordering Land Subject to Flooding or Riverfront Area. More
specifically,the placement of RCA shall be strictly limited to the footprint of the
proposed warehouse building foundation that is located on Lot B outside the 100 foot
Buffer Zone and other jurisdictional areas as depicted on the"Recycled Concrete &
Asphalt Pavement Plan', Sheet CS200, prepared by Langan Engineering and
Environmental Services, dated 01/24/20. The use of RCA in other locations on the
project site as delineated by the aforementioned record drawings is specifically
prohibited by this Order, including but not limited to all components of the
stormwater management system.
58. Temporary stockpiles of RCA shall be located on Lot B outside of areas subject to
protection under the Wetlands Protection Act and North Andover Wetlands Bylaw,
including but not limited to the 100 foot Buffer Zone, Bordering Land Subject to
Flooding or Riverfront Area. Said stockpiles shall be covered and protected as per the
plan detail and notes on Sheets CE501 - CE50502 Soil Erosion&Sediment Control
Details I-II -last revised 11/08/19 &10/17/19 respectively, of the Final Permit
Drawings of Record: "Permit Site Plans -North Andover, Massachusetts,Proposed
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1600 Osgood Street-DEP FILE #242 - 1766
Redevelopment for Hillwood Enterprises, LP and 1600 Osgood Street, LLC", prepared
by Langan Engineering and Environmental Services.
59. Any proposed landscaping within jurisdictional resource areas shall consist of species
native to New England. Landscaping outside jurisdictional resource areas shall
consist of species that are non-invasive in all respects. Prior to implementation, a final
landscape plan with plant schedule, shall be submitted to the NACC/Conservation
Administrator for review and approval. This plan may be included in the 100%
construction drawings per Special Condition#42.a.
60. Invoices for the purchase of native New England Seed Mixes/plantings referenced
above in Condition #59 above shall be provided to the Conservation Department upon
immediate availability and before install/seed application in the field.
61. Prior to final seeding, an invasive species inventory shall be performed to provide
base-line documentation of invasive species that are either within restored areas or
adjacent thereto.
62. Under the supervision of a qualified Wetland Scientist or Landscape Architect the
restored areas within jurisdictional areas shall be monitored for at least two full
growing seasons post installation (during the height of the growing season early-mid
July) and reports shall be submitted to the Commission no later than November 1st of
each year. Upon observation, dead or dying plantings or seeded areas shall be
replanted, as seasonal conditions allow. Invasive species shall be monitored and
removed manually upon observation. Detection of invasive species, an estimation of
their coverage and management of same shall be included in said reports.
63. Methods for more involved management of invasive species (such as root barriers for
Phragmites or herbicide application) shall be discussed with the Conservation
Department and implementation of any proposed non-manual methods shall be
reviewed and approved by the Conservation Commission, its Chairman or
Administrator depending on type of methods proposed.
64. The planting areas shall exhibit an overall survivorship of at least 75% after two full
growing seasons.
65. Upon beginning work,the applicant shall submit written progress reports every
month detailing what work has been done in or near resource areas, and what work is
anticipated to be done over the next period. This will update the construction
sequence and can be a part of the weekly erosion control reports.
66. Should de-watering activities be anticipated, rp for to implementation in the field,
means and methods shall be reviewed and approved by the Conservation Department
and shall be proposed outside the 100-Foot Buffer Zone. All dewatering activities
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shall be supervised and witnessed by the designated erosion control monitor. De-
watering activities shall be monitored daily by the erosion control monitor to ensure
that sediment laden water is appropriately settled prior to discharge toward the
wetland resource areas. No discharge of water is allowed directly into an area subject
to jurisdiction of the Wetlands Protection Act and/or the North Andover Wetland
Bylaw. If other emergency de-watering requirements arise, the applicant shall submit
a contingency plan to the Commission for approval, which provides for the pumped
water to be contained in a settling basin,to reduce turbidity prior to discharge into a
resource area.
67. Imported and/or structural fill shall be well-graded sand and gravel having a
maximum particle size of 3 inches and no more than 10% passing the No. 200 sieve. .
Any approved imported and/or structural fill shall be certified clean fill free of
hazardous substances and meeting all applicable regulations. Notwithstanding, any
imported fill used in connection with this project shall be clean fill, containing no
trash, refuse,rubbish or debris, including but not limited to roots, concrete, other non-
soil constituents, and other deleterious or compressible materials lumber,bricks,
plaster, wire,lath, paper, cardboard, pipe, glass, processed glass aggregate, concrete,
recycled concrete aggregate, tires, ashes,refrigerators,motor vehicles or parts on any
of the foregoing. Any fill imported to the site must be accompanied by a certificate of
origin or an analysis certifying cleanliness -whichever is most applicable as
determined by the Conservation Commission or its staff.
68. No outdoor fuel storage or construction equipment refueling shall occur within
jurisdictional resource areas during construction.
69. All exposed soil finish grade surfaces shall be immediately landscaped and stabilized,
or loamed, seeded and mulched,with a layer of mulch hay. All disturbed areas must
be graded, loamed and seeded prior to November 1st of each year. Outside of the
growing season,beyond November 15th of any construction year, exposed soil finish
grade surfaces shall be stabilized with a layer of mulch hay, straw, tackifier or
biodegradable erosion control blanket (as appropriate depending on slope, or other
conditions etc...) until climate conditions allow for seeding. During construction, any
area of exposed soils that will be left idle for more than 30 days shall be stabilized with
a layer of mulch hay or other means approved by the NACC.
70. Associated pavement and roadways shall be swept at least weekly or as directed by
the Erosion Control monitor,the Site Supervisor,Project Manager, or Conservation
staff for as long as the site remains exposed and un-stabilized. If material is tracked
beyond the construction entrance onto the adjacent public roadway, it will be swept
up daily.
71. No re-grading in the buffer zone shall have a slope steeper than 2:1 (horizontal:
vertical), unless otherwise shown on approved plans referenced herein.
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72. Materials stockpiling shall occur outside jurisdictional resource areas. At no time shall
be stockpiling of soil or any other materials occur on the wetland side of the erosion
controls.
73. All waste generated by, or associated with, the construction activity shall be contained
within the limit of work, and away from any wetland resource area. There shall be no
burying of spent construction materials or disposal of waste on the site by any other
means. The applicant shall maintain dumpsters (or other suitable means) at the site
for the storage and removal of such spent construction materials off-site. However,no
trash dumpsters will be allowed within jurisdictional resource areas.
74. Accepted engineering and construction standards and procedures shall be followed in
the completion of the project.
75. During and after work on this project, there shall be no discharge or spillage of fuel, or
other pollutants into any wetland resource area. If there is a spill or discharge of any
pollutant during any phase of construction the NACC shall be notified by the
applicant within one (1) business day. No construction vehicles are to be stored within
100 feet of wetland resource areas, and no vehicle refueling, equipment lubrication, or
maintenance is to be done within 100 feet of a resource area.
AFTER CONSTRUCTION
76. Following completion of construction, the applicant shall stencil,with appropriate
weather resistant paint, all catch basin inlets to prohibit dumping and indicate that the
inlet is for the disposal of stormwater only and discharges to waterways or wetlands.
77. No underground storage of fuel oils shall be allowed on any lot within one-hundred
(100) feet of any wetland resource area. This condition shall survive this Order of
Conditions and shall run with the title of the property. This condition is issued under
the authority of the Towr's Wetland protection Bylaw.
78. Fertilizers utilized for landscaping and lawn care shall be slow release,low-nitrogen
types (< 5%), and shall not be used within 25 feet of a resource area. Pesticides and
herbicides shall not be used within 100 feet of a wetland resource area unless
approved under Special Condition#77 above. This condition shall survive this Order
of Conditions and shall run with the title of the property. This condition is issued
under the authority of the Towri s Wetland Protection Bylaw and shall remain in
perpetuity.
79; No sodium-based products shall be used for control of ice or snow within 100 feet of
the wetland.
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80. There shall be no dumping of leaves, grass clippings,brush, or other landscape debris
into a wetland resource areas or the 25-foot No-Disturb Zone. This condition shall
remain in perpetuity.
81. Mowing of restored meadow habitat shall take place annually in early spring as soon
as conditions allow (early-mid May). The typical grass height shall be mown at a
height of 8 to 10 inches, and not shorter to avoid damaging grass.
82. Upon completion of construction and grading, all disturbed areas located outside
resource areas shall be stabilized permanently against erosion. This shall be done by
loaming and seeding according to NRCS standards. Stabilization will be considered
complete once full vegetative cover has been achieved.
83. The use of coal tar-based pavement sealants is prohibited on the property, as they
have been determined to contribute high levels of polycyclic aromatic hydrocarbons
(PAHs) to stormwater runoff. This condition shall survive the Order of Conditions
and shall run with the title of the property.
84. Upon approved site stabilization by Conservation staff, the erosion controls shall be
removed and properly disposed of and all exposed unvegetated areas shall be seeded.
85. Upon completion of the project the applicant shall submit the following to the
Conservation Commission as part of a request for a Certificate of Compliance:
a. WPA Form 8A- "Request for a Certificate of Compliance."
b. A letter from the applicant requesting a Certificate of Compliance.
c. The name and address of the current landowner.
d. Signed statements from the individual property owners shall be submitted with
the request for a Certificate of Compliance indicating that they read and
understood the recorded Order of Conditions prior to purchasing their property.
e. The name and address of the individual/trust or corporation to whom the
compliance is to be granted.
f. The street address and assessor's map/parcel number for the project.
g. The DEP file number.
h. A written statement from a Registered Professional Civil Engineer (and/or
Registered Professional Land Surveyor) of the Commonwealth certifying that the
work has been conducted as shown on the plan(s) and documents referenced
above, and as conditioned by the Commission.
i. A written report summarizing pH monitoring results collected throughout the life
of the project;
j. An"As-Built" plan prepared and signed and stamped by a Registered Professional
Civil Engineer (and/or Registered Professional Land Surveyor) of the
Commonwealth, for the public record. This plan will include:
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➢ "As-Built" post-development elevations of all drainage &stormwater
management structures constructed within 100 feet of any wetland resource
area.
➢ "As-Built" post-development elevations and grades of all filled or altered
wetland resource areas including the encompassing buffer zone which is
regulated as a resource area under the local Wetland Protection Bylaw.
➢ Distances from structures to wetland resource areas. Structures include (but
are not limited to) septic systems, additions,fences, sheds, stone walls,
pools,retaining walls, subsurface utilities and decks.
➢ A line showing the limit of work and the extent of existing erosion control
devices. "Work" includes Any disturbance of soils or vegetation.
➢ Location of all subsurface utilities entering the property.
86. The post-construction special conditions specifically identified herein under as
surviving the issuance of a Certificate of Compliance that may be issued by the
Commission following satisfactory completion of work authorized under MassDEP
File No. 242-1766, shall supersede and replace in their entirety those special conditions
identified in the previously issued Orders of Conditions and/or Certificates of
Compliance recorded against the property as listed above, (collectively, the
"Superseded Conditions") such that the Superseded Conditions shall be of no further
force and effect upon the Commissions issuance of the Certificate of Compliance
described above.
87. The following special conditions shall survive the issuance of a Certificate of
Compliance (COC) for this project:
➢ 25' No-Disturbance Zone and a 50' No-Construction Zone. Future work
within 100' of existing wetland resource areas will require a separate filing
with the NACC of the Regulations for performance standards within these
zones) The Conservation Administrator and/or other agents of the NACC
do not have the authority to waive these setbacks as established under the
local Bylaw;
➢ Resource Area Markers (Condition#43.g.);
➢ Discharge or spillage of pollutants (Condition# 75);
➢ Prohibition of underground fuels (Condition#77);
➢ Prohibition of the use of coal tar based products for paving (Condition #83);
➢ Limitations on the use of fertilizers,herbicides,pesticides,road salts, and
de-icing compounds (Conditions # 78 &79);
➢ No dumping of leaves, grass clippings, brush, or other debris into a wetland
resource areas or the 25-foot No-Disturb Zone (Condition#80).
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➢ Mowing of meadow (Condition# 81);
➢ Adherence to the attached "Long Term Pollution Prevention Operation and
Maintenance Plans", (Appendix "G" in the Record Stormwater Management
Report, prepared by Langan Engineering and Environmental Services. No
additional filings will be required to conduct maintenance of the above
referenced system as detailed in the report (Conditions # 53,55 &56).
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APPENDIX A-AFFIDAVIT
I, on oath do hereby depose and state:
(authorized agent applicant and/or current owner)
(PLEASE CHECK AT LEAST ONE BLOCK)
1. I am the of
(position with applicant) (applicant name or company name)
the applicant upon whom Order of Conditions
have been placed upon by (DEP or NACC number)
the North Andover Conservation Commission.
&/or
2. I am the of
(position with owner) (owner name)
the owner upon whose land Order of Conditions
have been placed up by (DEP or NACC number)
the North Andover Conservation Commission.
3. I hereby affirm and acknowledge that I have received said Order of Conditions
and have read the same and understand each
(DEP File#) and every condition which has been set forth
in said Order of Conditions.
4. I hereby affirm and acknowledge that on this day of 19
I inspected said property together with any and all improvements which have
been made to the same and hereby certify that each and every condition set
forth in Order of Conditions are presently in compliance.
(DEP File#)
5. I hereby affirm and acknowledge that this document will be relied upon by the
North Andover Conservation Commission as well as any potential buyers of
said property which is subject to said Order of Conditions
(DEP File#)
Signed under the pains and penalties of perjury this day of 19
(Signature-authorized agent of applicant or owner)
1600 Osgood Street DEP File#242-1766 NACC Findings&Special Conditions
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APPENDIX G
Long Term Pollution Prevention Operation and Maintenance Plans
LANGAN
Stormwater Operation and Maintenance Plan
1600 Osgood Street, North Andover- Lot A (Office Park)
Long Term Pollution Prevention Operation and Maintenance Plan
The purpose of this Long Term Pollution Prevention Operation and Maintenance Plan ("O&M")
is to provide project specific information related to the long term operation, maintenance,
inspection, documentation, and performance of the structural and non-structural stormwater
features. Regular inspection and maintenance of the stormwater management system is
necessary to ensure proper operation of the system. The following 0&M has been prepared to
ensure the proposed system functions as intended. This 0&M plan identifies maintenance
procedures, schedules, and responsible parties.
The Long Term Pollution Prevention Operation and Maintenance Plan has been compiled in
general accordance with Federal, State, and Local requirement in addition to stormwater best
management practices ("BMPs").
Responsible Parties:
1600 Osgood Street, LLC and Osgood Landing, LLC, or any successor of, shall be the party
responsible for implementing this 0&M plan.
1600 Osgood Street, LLC and Osgood Landing, LLC
1600 Osgood Street
North Andover, MA 01845
Estimated Annual Costs
The estimated annual cost for the implementation of this plan is$11,500.
Stormwater Operation and Maintenance Procedures:
Procedures are obtained from the Massachusetts Stormwater Handbook. These procedures
are for all structural and non-structural BMPs and are intended to eliminate or reduce the long
term soil erosion and degradation of stormwater features following construction completion.
The inspection and successful implementation of all stormwater measures, shall be the
Property Manager's responsibility.
Stormwater Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot A (Office Park)
Structural Pretreatment BMPs
Deep Sump Catch Basin
Activity Frequency
Inspect units Four times per year
Clean itriits Four times per year or whenever the depth of
deposits is greater than or equal to one half
the depth from the bottom of the invert of the
lowest pipe in the basin.
Sediment Forebays
Activity ,.. Frequency
Inspect sediment forebays Monthly
Clean sediment forebays Two times per year and when sediment depth
is between 0.5 to 1 foot
Proprietary Separators
Activity Frequenc
Inspect in accordance with manufacturer requirements,but no less than twice a See activity
year following installation,and no less than once a year thereafter.
Remove sediment and other trapped pollutants at frequency or level specified by See
manufacturer, manufacturer
information
Treatment BMPs
Bioretention Areas&Rain Gardens
Bioretention Maintenance Schedule
Activity Ume of Year Frequency
Inspect&remove trash Year round Monthly
Mulch Spring Annually
Remove dead vegetation Fall or Spring Annually
Replace dead vegetation Spring Annually
Prune Spring or Fall Annually
Replace entire media& Late Spring/early As needed*
all vegetation Summer
Stormwater Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot A (Office Park)
Extended Dry Detention Basins
Activity Frequency
Inspect extended dry detention basins At least twice a year and during and after major
storms,
Examine the outlet structure for evidence of At least twice a year.
j clogging or outflow release velocities that are
greater than design flow.
Mow the upper-stage,side slopes,embankment, At least twice a year.
}and emergency spillway.
Remove trash and debris. At least twice a year.
Remove sediment from the basin. At least once every 5 years.
Infiltration BMPs
Infiltration Basin
Activity Frequency
Preventative maintenance Twice a year
Inspect to ensure proper functioning After every major storm during first 3 months of
operation and twice a year thereafter and when
there are discharges through the high outlet
orifice.
Mow the buffer area,side slopes,and basin bottom Twice a year
if grassed floor;rake if stone bottom;remove
trash and debris;remove grass clippings and
accumulated organic matter
Inspect and clean pretreatment devices Every other month recommended and at least
twice a year and after every major storm event.
Dry Well
Activity Frequency
Inspect dry wells. After every major storm in the first few months
after construction to ensure proper stabilization
and function.Thereafter,inspect annually.
Stormwater Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot A (Office Park)
Non-Structural Pretreatment BMPs
Street Sweeping
Activity Frequency
High Efficiently Vacuum Quarterly Average, with sweeping scheduled
primary in spring and fall
Regenerative Air Sweeper Quarterly Average,with sweeping scheduled
primary in spring and fall
Mechanical Sweeper Monthly Average,with sweeping scheduled
primarily in spring and fall
Material and Equipment Storage
Material and equipment storage shall be done in a safe and orderly fashion. All debris and
waste shall be collected and disposed of offsite in a legal manner in accordance with local and
federal guidelines. The temporary storage of snow may be permitted in accordance with the
locally approved permit plans in the pre-determined locations. Snow may not be disposed of in
or around wetland. The wetlands, wetlands buffer zones, and snow storage locations are
show in the attached permit drawings.
All curb leak-off shall be cleared of snow and debris within 24-hours of a snowfall event to
ensure proper drainage.
Spill Control &Containment
The following measures must be implemented to minimize, control, and contain spills:
• Store chemicals inside, when applicable
• Pick up litter
• The spill shall be contained as close to the source as possible with a dike of absorbent
materials from the spill cleanup equipment (such as socks, pads, pillows, or "pigs").
Additional dikes must be constructed to protect swales or other stormwater
conveyances or streams. A cover or dike will shall protect any other stormwater
structures such as catch basins
• Implement employee training program and hold session at least once a year
• Identify spill control team
Pesticides and Fertilizers
• Pesticide/Herbicide Usage— No pesticides are to be used unless a single spot treatment
is required for a specific control application.
• Fertilizer usage should be avoided. If deemed necessary, slow release fertilizer should
be used. Fertilizer may be used to begin the establishment of vegetation in bare or
damaged areas, but should not be applied on a regular basis unless necessary
Stormwater Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot A (Office Park)
STORMWATER MANAGEMENT SYSTEM INSPECTION AND MAINTENANCE CHECKLIST
1600 Osgood Street Inspector:
Date: Time: Site Conditions:
Inspection &Maintenance Item Satisfactory? Comments or Corrective Measures
Yes (Y) or No (N) Taken
Deep Sump Catch Basin
Inspect Units Y N
Clean Units Y N
Sediment Forebays
Inspect Sediment Forebays Y N
Clean Sediment Forebays Y N
Proprietary Separators
Inspect per Manufacture Recommendations E Y N
Remove Sediments and Pollutants Y N
Bioretention Areas & Rain Gardens
Inspect & Remove Trash Y N
Remove & Replace Dead Vegetation Y N
Extended Dry Detention Basin
Inspect Basin Y N
Inspect Outlet Structure Y N
Mow Basin Y N
Remove Trash and Debris Y N
Stormwater Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot A (Office Park)
1600 Osgood Street Inspector:
Date: Time: Site Conditions:
Inspection & Maintenance Item Satisfactory? Comments or Corrective Measures
--7Yes (Y) or No (N) Taken
Infiltration Basins
Inspect Basin Y N
Mow Basin Y N
Check forebay for accumulated sediment, trash, and Y N
debris. Remove as required.
Remove sediment from basin. Y N
Dry Well
Inspect and clean T Y N
Street Sweeping
High Efficient Vacuum quarterly Y N
Regenerative Air Sweeper quarterly Y N
Mechanical Sweeper monthly Y N
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w+ulmoa x x `\ '' '.;. `' r"l `< mn•1 ?-----? l ( , u_mumw�s STORMWATER
?^ j' tarRnuow+m
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:®amjrw.oan x x 1 1 { �� �" \�►,.;'ff'�%i FEATURES
waaomoavmeav,.ama x x , •\.� ti ._ I -_� 1
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Hyiro
International co
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Operation and Maintenance Manual
*NOTE*
OPERATIONS AND MAINTENANCE PROCEDURES
INCLUDEING INSPECTIONS AND CLEANING MAY BE
PERFORMED BY ANY QUALIFIED PARTY
First DefenseO and First DefenseOHigh Capacity
Vortex Separator for Stormwater Treatment
Page 12 First Defense®Operation and Maintenance Manual
Table of Contents
3 FIRST DEFENSE®BY HYDRO INTERNATIONAL
-INTRODUCTION
-OPERATION
-POLLUTANT CAPTURE AND RETENTION
4 MODEL SIZES&CONFIGURATIONS
-FIRST DEFENSE®COMPONENTS
S MAINTENANCE
-OVERVIEW
-MAINTENANCE EQUIPMENT CONSIDERATIONS
-DETERMINING YOUR MAINTENANCE SCHEDULE
6 MAINTENANCE PROCEDURES
-INSPECTION
-FLOATABLES AND SEDIMENT CLEAN OUT
8 FIRST DEFENSE®INSTALLATION LOG
9 FIRST DEFENSE®INSPECTION AND MAINTENANCE LOG
COPYRIGHT STATEMENT.The contents of this manual,including the graphics contained herein,are intended for the use of the recipient to whom the
document and all associated information are directed. Hydro International plc owns the copyright of this document,which is supplied in confidence. It
must not be used for any purpose other than that for which it is supplied and must not be reproduced,in whole or in part stored in a retrieval system or
transmitted in any form or by any means without prior permission in writing from Hydro International plc.First Defense®is a trademarked hydrodynamic
vortex separation device of Hydro International plc.A patent covering the First Defense®has been granted.
DISCLAIMER: Information and data contained in this manual is exclusively for the purpose of assisting in the operation and maintenance of Hydro
International pies First Defense®.No warranty is given nor can liability be accepted for use of this information for any other purpose.Hydro International
plc has a policy of continuous product development and reserves the right to amend specifications without notice.
Hydro International(Stormwater), 94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax: (207)756-6212 Web:www.hydro-int.com
First Defenses Operation and Maintenance Manual
HYDRO MAINTENANCE SERVICES
Hydro International has been engineering stormwater treatment systems for over 30 years.We understand the mechanics of remov-
ing pollutants from stormwater and how to keep systems running at an optimal level.
• CIM11 * • i � IM
AVOID SERVICE NEGLIGENCE
Sanitation services providers not intimately familiar with stormwater
treatment systems are at risk of the following:
y Inadvertently breaking parts or failing to clean/replace system compo-
nents appropriately.
Charging you for more frequent maintenance because they lacked the
tools to service your system properly in the first place.
i/ Billing you for replacement parts that might have been covered under
your Hydro warranty plan
• Charging for maintenance that may not yet have been required.
LEAVE THE DIRTY WORK TO US
Trash, sediment and polluted water is stored inside treatment
systems until they are removed by our team with a vactor truck.
Sometimes teams must physically enter the system chambers
in order to prepare the system for maintenance and install any
replacement parks. Services include but are not limited to:
jl
•Solids removal
•Removal of liquid pollutants
•Replacement media installation(when applicable)
L4, F
k
Hydra International(Stormwater), 94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax: (207)756-6212 Web:www.hydro-int.com
First Defense®Operation and Maintenance Manual
BETTER, TOOLS, BETTER RESULTS
Not all vector trucks are created equal.Appropriate tools and suction power are needed to service stormwater systems appropriately.
Companies who don't specialize in stormwater treatment won't have the tools to properly clean systems or install new parts,
err
M
SERVICE WARRANTY
Make sure you're not paying for service that is covered under your warranty plan, Only Hydro International's service teams can identify
tune-ups that should be on us,not you.
TREATMENT SYSTEMS SERVICED BY HYDRO:
•Stormwwater filters
•Stormwater separators
•Baffle boxeskm
•Biofilters/biorention systems
•Storage structures �`;, "t
•Catch basins ` .• '
•Stormwater ponds
•Permeable pavement
...........
1
ati
Page 13 First Defense'Operation and Maintenance Manual
I. First DefenseO by Hydro International
Introduction Applications
The First Defenses is an enhanced vortex separator -Stormwater treatment at the point of entry into the drainage line
that combines an effective and economical stormwater -Sites constrained by space,topography or drainage profiles
treatment chamber with an integral peak flow bypass. It with limited slope and depth of cover
efficiently removes total suspended solids (TSS), trash and -Retrofit installations where stormwater treatment is placed on or
hydrocarbons from stormwater runoff without washing out tied into an existing storm drain line
previously captured pollutants.The First DefenseP is available -Pretreatment for filters,infiltration and storage
in several model configurations (refer to Section ll. Model
Sizes & Configurations, page 4) to accommodate a wide Advantages
range of pipe sizes, peak flows and depth constraints. -Inlet options include surface grate or multiple inlet pipes
-Integral high capacity bypass conveys large peak flows without
Operation the need for"offline"arrangements using separate junction
manholes
The First DefenseO operates on simple fluid hydraulics. Itisself- - Proven to prevent pollutant washout at up to 500%of its
activating,has no moving parts,no external power requirement treatment flow
and is fabricated with durable non-corrosive components. -Long flow path through the device ensures a long residence
No manual procedures are required to operate the unit and time within the treatment chamber,enhancing pollutant settling
maintenance is limited to monitoring accumulations of stored -Delivered to site pre-assembled and ready for installation
pollutants and periodic clean-outs. The First Defense® has
been designed to allow for easy and safe access for inspection,
monitoring and clean-out procedures. Neither entry into the
unit nor removal of the internal components is necessary for 9 „
maintenance,thus safety concerns related to confined-space-
entry are avoided.
Pollutant Capture and Retention f '
The internal components of the First DefenseO have been
,.
designed to optimize pollutant capture. Sediment is captured '
� ar
and retained in the base of the unit,while oil and floatables
are stored on the water surface in the inner volume(Fig.1).
The pollutant storage volumes are isolated from the built-in oil Max oil
Storage Depth
bypass chamber to prevent washout during high-flow storm
events. The sump of the First Defense® retains a standingI
water level between storm events. This ensures a quiescent
flow regime at the onset of a storm, preventing resuspension
and washout of pollutants captured during previous events. f
Sediment Sediment
Accessories such as oil absorbent pads are available for Storage
enhanced oil removal and storage. Due to the separation
of the oil and floatable storage volume from the outlet, the
potential for washout of stored pollutants between clean-outs Fig.1 Pollutant storage volumes in the First Defense®.
is minimized.
Page 14 First DefenseO Operation and Maintenance Manual
11. Model Sizes & Configurations
The First DefenseO inlet and internal bypass arrangements are available in several model sizes and configurations.The components
of the First Defense®-4HC and First DefenseP-6HC have modified geometries as to allow greater design flexibility needed to
accommodate various site constraints.
All First Defense®models include the internal components that are designed to remove and retain total suspended solids (TSS),
gross solids, floatable trash and hydrocarbons (Fig.2a-2b). First DefenseP model parameters and design criteria are shown in
Table 1.
First DefenseO Components
1. Built-in Bypass 4. Floatables Draw-off Port 7. Sediment Storage
2. Inlet Pipe 6. Outlet Pipe 8. Inlet Grate or Cover
3. Inlet Chute 6. Floatables Storage
ti
0(not pictured)
a. b.
Fig.2a)First DefenseO-4 and First DefenseO-6,b)First Defenses41-1C and First DefenseO-61-/Q, with higher capacity dual internal
bypass and larger maximum pipe diameter.
FD-3HC /0.9 0.84/23.7 1.60/45.3 15/424 1 18/457 125/473 0.4/0.3 5/0.6-1.0 1/1.13
FD4HC /1.2 1.50/42.4 1.88/50.9 18/510 24/600 191/723 0.7/0.6 9/0.7-1.2 97/1.6
FD-5HC 5/1.5 2.34/66.2 2.94/82.1 20/566 24/609 300/1135 1.1/.84 5/0.7-1.3 5.19/1.5
FD-6HC 6/1.8 3.38/96.7 4.73/133.9 32/906 30/750 496/1,878 1.6/1.2 3.0-5.1/0.9-1.6 5.97/1.8
FD-8HC 8/2.4 6.00/169.9 1 7.52/212.9 50/1,415 48/1219 1120/4239 2.8/2.1 3.0-6.0/0.9-1.8 7.40/2.2
'Contact Hydro,International when larger pipe sizes are required.
2Contact Hydro International when custom sediment storage capacity Is required.
3MInImurn distance for models depends on pipe diameter.
Hydro International(Stormwater), 94 Hutchins Drive, Portland ME 04102
Tel:(207)756-6200 Fax:(207)756-6212 Web:www.hydro-int.com
Page 15 First Defense"Operation and Maintenance Manual
III. Maintenance
Overview
The First DefenseO protects the environment by removing a wide range of pollutants from stormwater runoff. Periodic removal of
these captured pollutants is essential to the continuous, long-term functioning of the First Defense". The First Defense®will capture
and retain sediment and oil until the sediment and oil storage volumes are full to capacity. When sediment and oil storage capacities
are reached,the First Defense®will no longer be able to store removed sediment and oil. Maximum pollutant storage capacities are
provided in Table 1.
The First Defense®allows for easy and safe inspection, monitoring and clean-out procedures. A commercially or municipally owned
sump-vac is used to remove captured sediment and floatables. Access ports are located in the top of the manhole.
Maintenance events may include Inspection,Oil&Floatables Removal,and Sediment Removal. Maintenance events do not require
entry into the First DefenseO, nor do they require the internal components of the First Defense'to be removed. In the case of
inspection and floatables removal, a vector truck is not required. However, a vector truck is required if the maintenance event is to
include oil removal and/or sediment removal.
Maintenance Equipment Considerations
The internal components of the First DefenseP-HC have a centrally located circular shaft through which the sediment storage sump
can be accessed with a sump vac hose.The open diameter of this access shaft is 15 inches in diameter(Fig.3).Therefore,the nozzle
fitting of any vactor hose used for maintenance should be less than 15 inches in diameter.
15-in Maintenance Access pi;p P1� yl
IL, a�ul
i
I�
Fig.3 The central opening to the sump of the First Defense®-HC is 15 inches in diameter.
Determining Your Maintenance Schedule
The frequency of clean out is determined in the field after installation. During the first year of operation,the unit should be inspected
every six months to determine the rate of sediment and floatables accumulation. A simple probe such as a Sludge-Judged can be
used to determine the level of accumulated solids stored in the sump. This information can be recorded in the maintenance log(see
page 9)to establish a routine maintenance schedule.
The vector procedure,including both sediment and oil/flotables removal,for a 6-ft First Defenses typically takes less than 30 minutes
and removes a combined water/oil volume of about 765 gallons.
Page 16 First Defense'Operation and Maintenance Manual
Inspection Procedures
1. Set up any necessary safety equipment around the access
port or grate of the First DefenseO as stipulated by
local ordinances. Safety equipment should notify passing
pedestrian and road traffic that work is being done.
2. Remove the grate or lid to the manhole.
3. Without entering the vessel, look down into the chamber to
inspect the inside. Make note of any irregularities. Fig.4
shows the standing water level that should be observed.
s
4. Without entering the vessel, use the pole with the skimmer nett',
to remove floatables and loose debris from the components
and water surface.
6. Using a sediment probe such as a Sludge JudgeO, measure
the depth of sediment that has collected in the sump of the ,k
vessel.
6. On the Maintenance Log(see page 9),record the date, unit
location,estimated volume of floatables and gross debris
,r
removed, and the depth of sediment measured. Also note
any apparent irregularities such as damaged components or
blockages.
7. Securely replace the grate or lid. I�II�I ills
8. Take down safety equipment.
9. Notify Hydro International of any irregularities noted during
inspection. Fig.4 Floatables are removed with a vector hose(First Defense
model FD-4,shown).
Floatables and Sediment Clean Out
Floatables clean out is typically done in conjunction with Recommended Equipment
sediment removal. A commercially or municipally owned sump- * Safety Equipment(traffic cones,etc)
vac is used to remove captured sediment and floatables(Fig.5).
* Crow bar or other tool to remove grate or lid
Floatables and loose debris can also be netted with a skimmer
and pole. The access port located at the top of the manhole * Pole with skimmer or net(if only Floatables are being removed)
provides unobstructed access for a vector hose and skimmer
pole to be lowered to the base of the sump. * Sediment probe(such as a Sludge JudgeO)
Scheduling * Vactor truck(flexible hose recommended)
o Floatables and sump clean out are typically conducted once
a year during any season. * First Defense"Maintenance Log
* Floatables and sump clean out should occur as soon as
possible following a spill in the contributing drainage area.
Hydro International(Stormwater),94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax: (207)756-6212 Web:www.hydro-int.com
Page 17 First DefenseO Operation and Maintenance Manual
Floatables and sediment Clean Out Procedures
1. Set up any necessary safety equipment around the access
port or grate of the First DefenseO as stipulated by
local ordinances. Safety equipment should notify passing
pedestrian and road traffic that work is being done.
2. Remove the grate or lid to the manhole. 1
3. Without entering the vessel, look down into the chamber to �.
inspect the inside. Make note of any irregularities.
4. Remove oil and floatables stored on the surface of the water
f
with the vactor hose(Fig.5)or with the skimmer or net(not
y
pictured).
5. Using a sediment probe such as a Sludge JudgeO, measure
the depth of sediment that has collected in the sump of the
vessel and record it in the Maintenance Log(page 9).
6. Once all floatables have been removed,drop the vactor hose
to the base of the sump. Vactor out the sediment and gross
debris off the sump floor(Fig.5). �1
�D
t
7. Retract the vactor hose from the vessel
B. On the Maintenance Log provided by Hydro International,
record the date, unit location,estimated volume of floatables
and gross debris removed,and the depth of sediment
measured. Also note any apparent irregularities such as
damaged components, blockages,or irregularly high or low
water levels. Fig.5 Sediment is removed with a vactor hose(First Defense
model FD-4, shown).
9. Securely replace the grate or lid.
Maintenance at a Glance
M E=MIMIM
Inspection -Regularly during first year of installation
-Every 6 months after the first year of installation
Oil and Floatables -Once per year,with sediment removal
Removal -Fallowing a spill in the drainage area
Sediment Removal -Once per year or as needed
-Fallowing a spill in the drainage area
NOTE: For most clean outs the entire volume of liquid does not need to be removed from the manhole. Only remove the
first few inches of oils and floatables from the water surface to reduce the total volume of liquid removed during a clean out.
InternationalHyqro
C
First Defense® Installation Log
HYDRO INTERNATIONAL REFERENCE NUMBER:
SITE NAME:
SITE LOCATION:
OWNER: CONTRACTOR:
CONTACT NAME: CONTACT NAME:
COMPANY NAME: COMPANY NAME:
ADDRESS: ADDRESS:
TELEPHONE: TELEPHONE:
FAX: FAX:
INSTALLATION DATE:
MODEL SIZE (CIRCLE ONE): FD4 FD4HC FD-6 FD-6HC
INLET (CIRCLE ALL THAT APPLY): GRATED INLET(CATCH BASIN) INLET PIPE (FLOW THROUGH)
Hydra International(Stormwater), 94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax:(207)756-6212 Web:www.hydro-int.com
Hydro
International
First Defense® Inspection and Maintenance Log
Date Initials Depth of Sediment Volume of Site Activity and
Floatables Depth Sediment Comments
and Oils Measured Removed
Hydro International(Stormwater),94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax:(207)756-6212 Web:www.hydro-int.com
Hydro�
International
IN
j;
0
r �
��� IIIIIIIIIIIIIIIIII IIII��'�i
CALL 1 (888) " 82-7808 TO SCHEDULE AN INSPECTION
Stormwater Solutions
94 Hutchins Drive
Portland, ME 04102
Tel: (207)756-6200
Fax: (207)756-6212
stormwaterinquiry@hydro-int.com
www.hydro-int.com
Turning WaterAround...�'
Long Term Pollution Prevention Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot B (Amazon Distribution Facility)
Long Term Pollution Prevention Operation and Maintenance Plan
The purpose of this Long Term Pollution Prevention Operation and Maintenance Plan ("O&M")
is to provide project specific information related to the long term operation, maintenance,
inspection, documentation, and performance of the structural and non-structural stormwater
features. Regular inspection and maintenance of the stormwater management system is
necessary to ensure proper operation of the system. The following 0&M has been prepared to
ensure the proposed system functions as intended, This 0&M plan identifies maintenance
procedures, schedules, and responsible parties.
The Long Term Pollution Prevention Operation and Maintenance Plan has been compiled in
general accordance with Federal, State, and Local requirement in addition to stormwater best
management practices ("BMPs").
Responsible Parties:
Hillwood Enterprises, L.P., or any successor of, shall be the party responsible for implementing
this 0&M plan.
Hillwood Enterprises, L.P.
4507 North Front Street, Suite 302
Harrisburg, PA 17110
Estimated Annual Costs
The estimated annual cost for the implementation of this plan is $11,500.
Stormwater Operation and Maintenance Procedures:
Procedures are obtained from the Massachusetts Stormwater Handbook. These procedures
are for all structural and non-structural BMPs and are intended to eliminate or reduce the long
term soil erosion and degradation of stormwater features following construction completion,
The inspection and successful implementation of all stormwater measures, shall be the
Property Manager's responsibility,
r
Long Term Pollution Prevention Operation and Maintenance Plan
1600 Osgood Street, North Andover- Lot B (Amazon Distribution Facility)
Structural Pretreatment BMPs
Deep Sump Catch Basin
Activity Frequency
Inspect units Four times per year
Clean units Four times per year or whenever the depth of
deposits is greater than or equal to one half
the depth from the bottom of the invert of the
lowest pipe in the basin.
Proprietary Separators
Activity Frequency
Inspect in accordance with manufacturer requirements,but no less than twice a See activity
year following installation,and no less than once a year thereafter.
Remove sediment and other trapped pollutants at frequency or level specified by See
manufacturer. manufacturer
information
Sediment Forebays
Activity �. Frequency
Inspect sediment forebays Monthly
Clean sediment forebays Two times per year and when sediment depth
is between 0.5 to 1 foot
Vegetated Filter Strips
Activity Frequency
Inspect the level spreader for sediment buildup and Every six months during the first year.Annually
the vegetation for signs of erosion,bare spots,and thereafter.
overall health.
Regularly mow the grass. As needed
Remove sediment from the toe of slope or level As needed
spreader and reseed bare spots.
Treatment BMPs
Bloretention Areas &Rain Gardens
Bloretention Maintenance Schedule
Activity Time of Year Frequency
Inspect&remove trash Year round Monthly
Mulch Spring Annually
Remove dead vegetation Fall or Spring Annually
Replace dead vegetation Spring Annually
Prune Spring or Fall Annually
Replace entire media& Late Spring/early As needed*
all vegetation Summer
Long Term Pollution Prevention Operation and Maintenance Plan
1600 Osgood Street, North Andover- Lot B (Amazon Distribution Facility)
Extended Dry Detention Basins
Activity Frequency
Inspect extended dry detention basins At least twice a year and during and after major
storms.
Examine the outlet structure for evidence of At least twice a year.
clogging or outflow release velocities that are
greater than design flow.
Mow the upper-stage,side slopes,embankment, At least twice a year.
f and emergency spillway.
Remove trash and debris. At least twice a year.
Remove sediment from the basin. At least once every 5 years.
Wet Basins
Activity Frequency
Inspect
p wet basins to ensure they are operating as At least once a year.
designed
fiMow the upper-stage,side slopes,embankment At least twice a year.
and emergency spillway.
Check the sediment forebay for accumulated At least twice a year.
sediment,trash,and debris and remove it.
Remove sediment from the basin. As necessary,and at least once every 10 years
Infiltration BMPs
Infiltration Basin
Activity Frequency
Preventative maintenance 'Pwice a year
Inspect to ensure proper functioning After every major storm during first 3 months of
operation and twice a year thereafter and when
there are discharges through the high outlet
orifice.
Mow the buffer area,side slopes,and basin bottom Twice a year
if grassed floor;rake if stone bottom;remove
trash and debris;remove grass clippings and
accumulated organic matter
Inspect and clean pretreatment devices Every other month recommended and at least
twice a year and after every major storm event.
Dry Well
Activity Frequency
Inspect dry wells. After every major storm in the first few months
after construction to ensure proper stabilization
and function.Thereafter,inspect annually.
Long Term Pollution Prevention Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot B (Amazon Distribution Facility)
Conveyance BMPs
Grassed Channel (Blofilter Swale)
Activity Frequency
Remove sediment from forebay Annually
Remove sediment from grass channel Annually
Mow Once a month during growing season
Repair areas of erosion and revegetate As needed,but no less than once a year
Non-Structural Pretreatment BMPs
Street Sweeping
Activity Frequency
High Efficiently Vacuum Quarterly Average, with sweeping scheduled
primary in spring and fall
Regenerative Air Sweeper Quarterly Average,with sweeping scheduled
primary in spring and fall
Mechanical Sweeper Monthly Average, with sweeping scheduled
primarily in spring and fall
Material and Equipment Storage
Material and equipment storage shall be done in a safe and orderly fashion. All debris and
waste shall be collected and disposed of offsite in a legal manner in accordance with local and
federal guidelines. The temporary storage of snow may be permitted in accordance with the
locally approved permit plans in the pre-determined locations. Snow may not be disposed of in
or around wetland. The wetlands, wetlands buffer zones, and snow storage locations are
show in the attached permit drawings.
All curb leak-off shall be cleared of snow and debris within 24-hours of a snowfall event to
ensure proper drainage.
Spill Control &Containment
The following measures must be implemented to minimize, control, and contain spills,
• Store chemicals inside, when applicable
• Pick up litter
• The spill shall be contained as close to the source as possible with a dike of absorbent
materials from the spill cleanup equipment (such as socks, pads, pillows, or "pigs").
Additional dikes must be constructed to protect swales or other stormwater
conveyances or streams. A cover or dike will shall protect any other stormwater
structures such as catch basins
• If the spill has a potential of entering the extended detention pond (B-1) the emergency
shut off valve at the pond inlet should be closed
• Implement employee training program and hold session at least once a year
• Identify spill control team
Long Term Pollution Prevention Operation and Maintenance Plan
1600 Osgood Street, North Andover- Lot B (Amazon Distribution Facility)
Pesticides and Fertilizers
• Pesticide/Herbicide Usage- No pesticides are to be used unless a single spot treatment
is required for a specific control application.
• Fertilizer usage should be avoided. If deemed necessary, slow release fertilizer should
be used. Fertilizer may be used to begin the establishment of vegetation in bare or
damaged areas, but should not be applied on a regular basis unless necessary
Long Term Pollution Prevention Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot B (Amazon Distribution Facility)
STORMWATER MANAGEMENT SYSTEM INSPECTION AND MAINTENANCE CHECKLIST
1600 Osgood Street Inspector:
Date: Time: Site Conditions:
Inspection & Maintenance Item Satisfactory? Comments or Corrective Measures
TYes (Y) or No (N) Taken
Deep Sump Catch Basin
Inspect Units I Y N
Clean Units Y N
Proprietary Separators
Inspect per Manufacture Recommendations Y N
Remove Sediments and Pollutants Y N
Sediment Forebays
Inspect Sediment Forebays Y N
Clean Sediment Forebays Y N
Vegetated Filter Strips
Inspect Filter Strips Y N
Regularly Mow the Grass Y N
Remove Sediment Y N
Bioretention Areas & Rain Gardens
Inspect & Remove Trash Y N
Remove & Replace Dead Vegetation Y N
Extended Dry Detention Basin
Inspect Basin Y N
Inspect Outlet Structure Y N
Mow Basin Y N
Remove Trash and Debris Y N
Long Term Pollution Prevention Operation and Maintenance Plan
1600 Osgood Street, North Andover— Lot B (Amazon Distribution Facility)
1600 Osgood Street Inspector:
Date: Time: Site Conditions:
Inspection & Maintenance Item Satisfactory? Comments or Corrective Measures
--7Yes (Y) or No (N) Taken
Wet Basins
Inspect Basin Y N
Mow Basin Y N
Check forebay for accumulated sediment, trash, and Y N
debris. Remove as required.
Remove sediment from basin. Y N
Infiltration Basins
Inspect Basin Y N
Mow Basin Y N
Check forebay for accumulated sediment, trash, and Y N
debris. Remove as required.
Remove sediment from basin. Y N
Dry Well
Inspect and clean Y N
Grassed Channel (Biofilter Swale)
Remove sediment from forebay Y N
Remove sediment from grass channel Y N
Mow Y N
Repair areas of erosion and revegetate Y N
Street Sweeping
High Efficient Vacuum quarterly Y N
Regenerative Air Sweeper quarterly Y N
Mechanical Sweeper monthly Y N
SIGNATURE ROOK MAIME UNLE FFATUREREMP(MRRIFY
Tiw am'�nsC a�iw�rxm�awin niw c�w'Vwa�¢rw "no"'m�is�a��mwrmnonmrc...nwmuu IIIf.MNSW[IR1CIUnnItIMVIY
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1600 OSGOOD STREET
�, t, 1, /• ��%j/J pnon'°mw°rrw ( \.�1�`( 1 �,.r.,..`.;
STORMWATERTREATMEM FEATURES LOTH LOTR `\ ,\. �ff�i1�!/ poeAdF t �•.--iC i c`\ .'/ wLnAtbtiMlf o .
GFFUtaoRIUtYG1WRMN{ X X X. 1 7<1DwRp1AY 1 �• 1) i %1 aTwtNJ2w1RE[
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RAH GxRnNE x z •\ ;� 1 .�.� 1�li'""�t- ( ` MANAGEMENT
GRVLWAiRB X ` •� �� 7h• WERANDNI/FR
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Hyqroag�
International
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Operation and Maintenance Manual
*NOTE*
OPERATIONS AND MAINTENANCE PROCEDURES
INCLUDEING INSPECTIONS AND CLEANING MAY BE}
PERFORMED BY ANY QUALIFIED PARTY
First °and First ° i h Capacity
Vortex Separator for Stormwater Treatment
Page 12 First Defenses Operation and Maintenance Manual
Table of Contents
3 FIRST DEFENSE'BY HYDRO INTERNATIONAL
-INTRODUCTION
-OPERATION
-POLLUTANT CAPTURE AND RETENTION
4 MODEL SIZES&CONFIGURATIONS
-FIRST DEFENSE'COMPONENTS
6 MAINTENANCE
-OVERVIEW
-MAINTENANCE EQUIPMENT CONSIDERATIONS
-DETERMINING YOUR MAINTENANCE SCHEDULE
6 MAINTENANCE PROCEDURES
-INSPECTION
-FLOATABLES AND SEDIMENT CLEAN OUT
6 FIRST DEFENSE'INSTALLATION LOG
9 FIRST DEFENSE®INSPECTION AND MAINTENANCE LOG
COPYRIGHT STATEMENT.The contents of this manual,Including the graphics contained herein,are intended for the use of the recipient to whom the
document and all associated information are directed. Hydro International plc owns the copyright of this document,which is supplied in confidence. It
must not be used for any purpose other than that for which it is supplied and must not be reproduced,in whole or in part stored in a retrieval system or
transmitted in any form or by any means without prior permission in writing from Hydro International plc.First DefenseO is a trademarked hydrodynamic
vortex separation device of Hydra International pie.A patent covering the First Defense®has been granted.
DISCLAIMER: Information and data contained in this manual is exclusively for the purpose of assisting in the operation and maintenance of Hydro
International pies First DefenseO.No warranty is given nor can liability be accepted for use of this information for any other purpose.Hydro International
pie has a policy of continuous product development and reserves the right to amend specifications without notice.
Hydro International(Stormwater),94 Hutchins Drive, Portland ME 04102
Tel:(207)756-6200 Fax:(207)756-6212 Web:www.hydro-int.com
First Defense®Operation and Maintenance Manual
HYDRO MAINTENANCE SERVICES
Hydro International has been engineering stormwater treatment systems for over 30 years.We understand the mechanics of remov-
ing pollutants from stormwater and how to keep systems running at an optimal level.
RONNIE=
k '''' AVOID SERVICE NEGLIGENCE
rll % w
Sanitation services providers not intimately familiar with stormwater
`r treatment systems are at risk of the following:
• Inadvertently breaking parts or failing to clean/replace system compo-
nents appropriately.
Charging you for more frequent maintenance because they lacked the
tools to service your system properly in the first place.
• Billing you for replacement parts that might have been covered under
your Hydro warranty plan
Charging for maintenance that may not yet have been required.
LEAVE THE DIRTY WORK TO US
Trash,sediment and polluted water is stored inside treatment
systems until they are removed by our team with a vactor truck.
Sometimes teams must physically enter the system chambers
in order to prepare the system for maintenance and install any
replacement parts. Services include but are not limited to:
•Solids removal
•Removal of liquid pollutants
•Replacement media installation(when applicable)
r,
Hydro International(Stormwater), 94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax:(207)756-6212 Web:www.hydro-int.com
First Defense®Operation and Maintenance Manual
BETTER TOOLS, BETTER RESULTS
Not all vector trucks are created equal.Appropriate tools and suction power are needed to service stormwater systems appropriately.
Companies who don't specialize in stormwater treatment won't have the tools to properly clean systems or install new parts.
77
"
�a
SERVICE WARRANTY
Make sure you're not paying for service that is covered under your warranty plan.Only Hydro International's service teams can identify
tune-ups that should be on us, not you.
TREATMENT SYSTEMS SERVICED BY HYDRO.
�M
•Stormwwater filters
•Stormwater separators
• Baffle boxes
•Biofilters/biorention systems
•Storage structures
•Catch basins
•Stormwater ponds
•Permeable pavement
� I
Page 13 First DefenseO Operation and Maintenance Manual
I. First DefenseO by Hydra International
Introduction Applications
The First DefenseO is an enhanced vortex separator -Stormwater treatment at the point of entry into the drainage line
that combines an effective and economical stormwater -Sites constrained by space,topography or drainage profiles
treatment chamber with an integral peak flow bypass. It with limited slope and depth of cover
efficiently removes total suspended solids (TSS), trash and -Retrofit installations where stormwater treatment is placed on or
hydrocarbons from stormwater runoff without washing out tied into an existing storm drain line
previously captured pollutants.The First Defense®is available -Pretreatment for filters,infiltration and storage
in several model configurations (refer to Section ll. Model
Sizes & Configurations, page 4) to accommodate a wide Advantages
range of pipe sizes,peak flows and depth constraints. -Inlet options include surface grate or multiple inlet pipes
-Integral high capacity bypass conveys large peak flows without
Operation the need for"offline°arrangements using separate junction
manholes
The First DefenseO operates on simple fluid hydraulics. Itis self- -Proven to prevent pollutant washout at up to 500%of its
activating,has no moving parts,no external power requirement treatment flow
and is fabricated with durable non-corrosive components. -Long flow path through the device ensures a long residence
No manual procedures are required to operate the unit and time within the treatment chamber,enhancing pollutant settling
maintenance is limited to monitoring accumulations of stored - Delivered to site pre-assembled and ready for installation
pollutants and periodic clean-outs. The First Defense® has
been designed to allow for easy and safe access for inspection,
monitoring and clean-out procedures. Neither entry into the
unit nor removal of the internal components is necessary for
maintenance,thus safety concerns related to confined-space-
entry are avoided.
Pollutant Capture and Retention
The internal components of the First DefenseO have been
designed too optimize pollutant capture. Sediment is captured
9 p P p ��
and retained in the base of the unit, while oil and floatables e; „r� ��� ',
are stored on the water surface in the inner volume(Fig.1).
The pollutant storage volumes are isolated from the built-in oil Max Oil
Storage Depth
bypass chamber to prevent washout during high-flow storm
events. The sump of the First Defense® retains a standing
water level between storm events. This ensures a quiescent
flow regime at the onset of a storm, preventing resuspension
and washout of pollutants captured during previous events.
Sediment Sediment
Accessories such as oil absorbent pads are available for Storage
enhanced oil removal and storage. Due to the separation
of the oil and floatable storage volume from the outlet, the
potential for washout of stored pollutants between clean-outs Fig.1 Pollutant storage volumes in the First Defense).
is minimized.
Page 14 First Defense®Operation and Maintenance Manual
ll. Model Sizes & Configurations
The First Defense®inlet and internal bypass arrangements are available in several model sizes and configurations.The components
of the First Defense®-4HC and First Defense'R-6HC have modified geometries as to allow greater design flexibility needed to
accommodate various site constraints.
All First DefenseO models include the internal components that are designed to remove and retain total suspended solids(TSS),
gross solids, floatable trash and hydrocarbons (Fig.2a-2b). First DefenseP model parameters and design criteria are shown in
Table 1.
First DefenseO Components
1. Built-In Bypass 4. Floatables Draw-off Port 7. Sediment Storage
2. Inlet Pipe 5. Outlet Pipe 8. Inlet Grate or Cover
3. Inlet Chute 6. Floatables Storage
m
y
3
I
(not pictured) f
Fig.2a)First DefenseO-4 and First Defense®-6,b)First Defense®4HC and First Defense'R-6HC, with higher capacity dual internal
bypass and larger maximum pipe diameter.
M 8
• r a • a a IY • • •
a- as
FD-3HC 3/0.9 0.84/23.7 1.60/45.3 15/424 18/457 125/473 0.4/0.3 2.0-3.5/0.6-1.0 3.71/1.13
FD-4HC 4/1.2 1.50/42.4 1.88/50.9 18/510 24/600 191/723 0.7/0.5 2.3-3.9/0.7-1.2 4.97/1.5
FD-5HC 5/1.5 2.34/66.2 2.94/82.1 20!566 24/609 300/1135 1.1/.84 2.5-4.5/0.7-1.3 5.19/1.5
FD-6HC 6/1.8 3.38/95.7 4,73/133.9 32/906 30/750 496/1,878 1.6/1.2 3.0-6.110.9-1.6 5.97/1.8
FD-8HC 8/2.4 1 6.00/169.9 1 7.52/212.9 1 50/1,415 48/1219 1120/4239 2.8/2.1 3.0-6.0/0.9-1.8 7.40/22
'Contact Hydro International when larger pipe sizes are required.
2Contact Hydro International when custom sediment storage capacity is required.
'Minimum distance for models depends on pipe diameter.
Hydro International(Stormwater),94 Hutchins Drive, Portland ME 04102
Tel:(207)756-6200 Fax: (207)756-6212 Web:www.hydro-int.com
Page 15 First Defense'Operation and Maintenance Manual
Ill. Maintenance
Overview
The First Defense®protects the environment by removing a wide range of pollutants from stormwater runoff. Periodic removal of
these captured pollutants is essential to the continuous, long-term functioning of the First DefenseO. The First Defense"will capture
and retain sediment and oil until the sediment and oil storage volumes are full to capacity. When sediment and oil storage capacities
are reached,the First Defense®will no longer be able to store removed sediment and oil. Maximum pollutant storage capacities are
provided in Table 1.
The First DefenseO allows for easy and safe inspection, monitoring and clean-out procedures. A commercially or municipally owned
sump-vac is used to remove captured sediment and floatables. Access ports are located in the top of the manhole.
Maintenance events may include Inspection,Oil&Floatables Removal,and Sediment Removal. Maintenance events do not require
entry into the First Defense®, nor do they require the internal components of the First DefenseO to be removed. In the case of
inspection and floatables removal, a vactor truck is not required. However, a vactor truck is required if the maintenance event is to
include oil removal and/or sediment removal.
Maintenance Equipment Considerations
The internal components of the First DefenseO-HC have a centrally located circular shaft through which the sediment storage sump
can be accessed with a sump vac hose.The open diameter of this access shaft is 15 inches in diameter(Fig.3).Therefore,the nozzle
fitting of any vector hose used for maintenance should be less than 15 inches in diameter.
15-in Maintenance Access
Fig.3 The central opening to the sump of the First Defensee-HC is 15 inches in diameter.
Determining Your Maintenance Schedule
The frequency of clean out is determined in the field after installation. During the first year of operation,the unit should be inspected
every six months to determine the rate of sediment and floatables accumulation. A simple probe such as a Sludge-Judge,,can be
used to determine the level of accumulated solids stored in the sump. This information can be recorded in the maintenance log(see
page 9)to establish a routine maintenance schedule.
The vector procedure,including both sediment and oil/flotables removal,for a 6-ft First DefenseP typically takes less than 30 minutes
and removes a combined water/oil volume of about 765 gallons.
Page 16 First Defense'Operation and Maintenance Manual
Inspection Procedures
1. Set up any necessary safety equipment around the access
pork or grate of the First DefenseO as stipulated by y
local ordinances. Safety equipment should notify passing
pedestrian and road traffic that work is being done.
2. Remove the grate or lid to the manhole.
3. Without entering the vessel, look down into the chamber to
inspect the insige. Make note of any irregularities. Fig.4
shows the standing water level that should be observed. �r
4. Without entering the vessel, use the pole with the skimmer net
to remove floatables and loose debris from the components
and water surface.
5. Using a sediment probe such as a Sludge Judge', measure
the depth of sediment that has collected in the sump of the
vessel.
i
6. On the Maintenance Log(see page 9), record the date, unit
location,estimated volume of floatables and gross debris
removed, and the depth of sediment measured. Also note
any apparent irregularities such as damaged components or
blockages.
7. Securely replace the grate or lid. �
N �
�fr
8. Take down safety equipment.
9. Notify Hydro International of any irregularities noted during
inspection. Fig.4 Floatables are removed with a vactor hose(First Defense
model FD-4, shown).
Floatables and Sediment Clean Out
Floatables clean out is typically done in conjunction with Recommended Equipment
sediment removal. A commercially or municipally owned sump- d Safety Equipment(traffic cones,etc)
vac is used to remove captured sediment and floatables(Fig.5).
Crow bar or other tool to remove grate or lid
Floatables and loose debris can also be netted with a skimmer
and pole. The access port located at the top of the manhole d Pole with skimmer or net(if only floatables are being removed)
provides unobstructed access for a vactor hose and skimmer
pole to be lowered to the base of the sump. d Sediment probe(such as a Sludge Judge)
Scheduling a Vactor truck(flexible hose recommended)
e Floatables and sump clean out are typically conducted once
a year during any season. • First Defense®Maintenance Log
• Floatables and sump clean out should occur as soon as
possible following a spill in the contributing drainage area.
Hydro International(Stormwater),94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax:(207)756-6212 Web:www.hydro-int.com
Page 17 First Defense'Operation and Maintenance Manual
Floatab/es and sediment Clean Out Procedures
1. Set up any necessary safety equipment around the access
port or grate of the First Defense®as stipulated by
local ordinances. Safety equipment should notify passing
pedestrian and road traffic that work is being done.
2. Remove the grate or lid to the manhole.
i
3. Without entering the vessel, look down into the chamber to
inspect the inside. Make note of any irregularities.
4. Remove oil and floatables stored on the surface of the water
with the vactor hose(Fig.5)or with the skimmer or net(not
pictured),
6. Using a sediment probe such as a Sludge Judge®, measure
the depth of sediment that has collected in the sump of the
vessel and record it in the Maintenance Log(page 9).
6. Once all floatables have been removed,drop the vactor hose r
to the base of the sump. Vactor out the sediment and gross �.
debris off the sump floor(Fig.5).
7. Retract the vactor hose from the vessel
8. On the Maintenance Log provided by Hydro International,
record the date, unit location,estimated volume of floatables
�x
and gross debris removed,and the depth of sediment
measured. Also note any apparent irregularities such as
damaged components, blockages,or irregularly high or low
water levels. Fig.5 Sediment is removed with a vactor hose(First Defense
model FD-4,shown).
9. Securely replace the grate or lid.
Maintenance at a dance
Inspection -Regularly during first year of installation
-Every 6 months after the first year of installation
Oil and Floatables -Once per year,with sediment removal
Removal -Following a spill in the drainage area
Sediment Removal -Once per year or as needed
-Following a spill in the drainage area
NOTE: For most clean outs the entire volume of liquid does not need to be removed from the manhole. Only remove the
first few inches of oils and floatables from the water surface to reduce the total volume of liquid removed during a clean out.
Hydro
C�
International
First Defense° Installation Log
HYDRO INTERNATIONAL REFERENCE NUMBER:
SITE NAME:
SITE LOCATION:
OWNER: CONTRACTOR:
CONTACT NAME: CONTACT NAME:
COMPANY NAME: COMPANY NAME:
ADDRESS: ADDRESS:
TELEPHONE: TELEPHONE:
FAX: FAX:
INSTALLATION DATE: /
MODEL SIZE (CIRCLE ONE): FD4 FD4HC FD-6 FD-6HC
INLET(CIRCLE ALL THAT APPLY): GRATED INLET(CATCH BASIN) INLET PIPE (FLOW THROUGH)
Hydro International(Stormwater),94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax:(207)756-6212 Web:www.hydro-int.com
nyqro
International
First Defense° Inspection and Maintenance Log
Date Initials Depth of Sediment Volume of Site Activity and
Floatables Depth Sediment Comments
and Oils Measured Removed
Hydro International(Stormwater),94 Hutchins Drive, Portland ME 04102
Tel: (207)756-6200 Fax: (207)756-6212 Web:www.hydro-int.com
Hydro"
International�Fe
r . low
i 1
t G',
f
CALL 1 ( ) 382-7808 TO SCHEDULE AN INSPECTION
Stormwater Solutions
94 Hutchins Drive
Portland, ME 04102
Tel: (207)756-6200
Fax: (207)756-6212
stormwaterinquiry@hydro-int.com
www.hydro-int.com
Turning Water Around