HomeMy WebLinkAbout2017-04-18 Andover Amended Order of Conditions Massachusetts Department of Environmental Protection Provided by MassDEP:
Bureau of Resource Protection - Wetlands 090-
0750(Amended)
Ll i WPA Form 5 — Order of Conditions- MassDEP File d#
AMENDED eDEP Transaction#
Massachusetts Wetlands Protection Act M.G.L. c. 131, §40 Andover
And ARTICLE XIV,ANDOVER WETLAND PROTECTION BY-LAW CltylTown
A. General Information
Important: Andover
When filling 1. From: Conservation Commission
out forms on
the 2. This issuance is for a,❑Order of Conditions b. ®Amended Order of Conditions
computer, (check one):
use only the
tab key to 3. To: Applicant:
move your
cursor-do
not use the a, First Name b. Last Name
return key. Merrimack College
c.Organization - —
315 Turnpike Street
d.Mailing Address
North Andover MA 01846
e.Citylrown f.State g.Zip Code
4. Property Owner(if different from applicant):
a.First Name b. Last{Name
c.Organization
d.Mailing Address
e.Cityrrown f.State g,Zip Code
5. Project Location:
316 Turnpike Street Andover
a. Street Address b.Cltyrrown
3 and 1 5 and 5
c.Assessors Map/Plat Number d.Parcel/Lot Number
Latitude and Longitude, if known:
d. Latitude e.Longitude
This document consists of
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A. General Information (cont.)
6. Property recorded at the Registry of Deeds for(attach additional information if more than
one parcel):
Essex North District
a,County b.Certificate Number(if registered land)
30 329
c.Book d.Page
7. Dates: March 22, 2005 (prig.) May 10, 2005 (orig.) _ Mar 21, 2017
a. Date Notice of Intent Filed b.Date Public Hearing Closed ari
a. Final Approved Plans and Other Documents (attach additional plan or document references
as needed):
SITE PLAN FOR NORTH CAMPUS ACADEMIC BUILDINGS A& C, SAKAWICH CC
EXPANSION.
Vanasse Hangen Brustlin, Inc. Christopher M. Lovett, P.E.
b.Prepared By c.Signed and Stamped by
Feb 17, 2017 Various
d.Final Revision Date e.Scale
f.Additional Plan or Document Title g.pate
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.
B. Findings (cunt.)
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
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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
s. ❑ 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.cJy dredged
7. ❑ Bordering Land
Subject to Flooding a.square feet b.square feet c.square feet d,square feet
Cubic Feet Flood Storage a cubic feet f.cubic feet g.cubic feet K cubic feet
a. ❑ 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
a.total sq.feet b.total sq.feet
Sq ft within 100 ft
c.square feet d.square feet e.square feet f.square feet
Sq ft between 100-
200 ff. g.square feet h.square feet i.square feet J.square feet
B. Findings (cons.)
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
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13. ❑ Coastal Beaches cu yd cu yd
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.linear feet b.linear feet
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.cay dredged d.dy dredged
ts. ❑ Land Containing
Shellfish a.square feet b,square feet c.square feet d,square feet
2o. ❑ Fish Runs Indicate size under Coastal Banks, Inland Bank, Land Under
the Ocean, and/or inland Land Under Waterbodies and
Waterways, above
a.cly dredged b.cty dredged
21. ❑ Land Subject to
Coastal Storm a.square feet b.square feet
Flowage
B. Findings (cont.)
#22.If
protect is he for 22. ❑ Restoration/Enhancement
the purpose of
restoring or a,square feet of BVW b,square feet of salt marsh
enhancing a
wet€and
resource area 23. ❑ 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.S.c
(BVVV)or The following conditions are only applicable to Approved projects.
B.17.c(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 g rY fy
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.,
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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.
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.
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.
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.
C. General Conditions Under Massachusetts Wetlands Protection Act (cont.)
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 commendement 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 090-0750 "
Amended
91. 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.
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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.
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 snail
be maintained until a Certificate of Compliance has been issued by the Conservation
Commission,
C. General Conditions Under Massachusetts Wetlands Protection Act (cunt.)
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.
NOTICE OF STORMWATER CONTROL AND MAINTENANCE REQUIREMENTS
19. The work associated with this Order(the"Project") is (1)® is not(2)❑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 Flan 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;
iL as-built final construction BMP plans are Included, signed and stamped by a Registered
Professional Engineer, certifying the site is fully stabilized;
Y1. any illicit discharges to the stormwater management system have been removed, as per
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the requirements of Stormwater Standard 10;
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. General Conditions Under Massachusetts Wetlands Protection Act (cant.)
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 0&M Plan, and the requirements of the Massachusetts
Stormwater Handbook.
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C. General Conditions Under Massachusetts Wetlands Protection Act (cunt.)
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.
1) 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):
See attached sheet forspecial conditions and findings
D. Findings Under Municipal Wetlands Bylaw or Ordinance
1. Is a municipal wetlands bylaw or ordinance applicable? ® Yes ❑ No
2. The Andover hereby finds(check one that applies):
Conservation Commission
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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:
Article XIV, Wetlands Protection By-Law By-Law
1.Municipal Ordinance or Bylaw 2.Citation
3. 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):
See attached sheet for special conditions and findings
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Merrimack College
Amended Order of Conditions
March 212017
Academic Building s and Sakowich Center
DLP FILL NO. 090-0750 SPECIAL CONDITIONS (Note previous conditions apply)
a) RELIANCE UPON PEER REVIEW. The Conservation Commission is in partial reliance
upon a peer review of the filing completed by Janet Bernardo of Horsley Witten Group.
The documentation for this review is comprised of a letter report dated Marchl,2017,
which states "the proposed Stormwater design is in compliance with the Original Order
of Conditions dated July 17,2001 and the Amended Order issued August 23,2016 as
well as Cher WPA and Stormwater handbook.
b) Conservation Commission and the Commission's Site Monitor, in writing, 48 hours before
any activity commences on the project site and shall advise the Conservation Commission
and the Commission's Site Monitor of the name(s) and telephone number(s) of the person(s)
responsible on site for compliance with this Order. This list shall be resubmitted if any
changes are made to it.
The developer or contractor responsible for the project°s completion shall be notified of, and
understand,the requirements of this Order of Conditions. The developer and/or contractor shall
acknowledge receipt of the Order of Conditions by submitting a letter to that effect to the
Conservation Commission. A copy of this Order, as well as copies.of the above-mentioned
documents, plans, and reports shall be on-site while activities regulated by this Order are being
performed.
This Order of Conditions shall be made part of all construction documents for this project. All
contractors working at the site shall be made aware of the provisions contained within this Order
of Conditions and shall adhere to all the Special Conditions contained herein. The applicant, or
his designee, shall, at all times, have a copy of the Final Order of Conditions at the site and shall
monitor compliance with the provisions of this Order.
c) CONSTRUCTION OVERVIEW BY DESIGN ENGINEER/REPORTS. In accordance
with Massachusetts General Laws Chapter 44, §53G, the Conservation Commission requires
that the applicant provide funds prior to commencement of work to the Commission for the
reasonable fees of a consultant with professional credentials to be selected by the
Commission to review and/or approve the inspection of work thereunder. Such fees shall be
an estimate of inspections which shall take place during once every 7 calendar days and
within 24 hours of the end of a storm event having %2 inch of rainfall or greater within a
twenty-four hour period,throughout the duration of the project. This period shall begin when
siltation controls are installed, and shall end with issuance of Certificate of Compliance.
Since the fees are an estimate, additional fees may be required pending the duration of
the project and/or overpayment returned to the applicant upon the issuance of a
Certificate of Compliance.
Where submission of a certified foundation plan is otherwise required under this Order of
Conditions a copy of said certified foundation plan shall be attached to the next inspection report
following installation of the foundation. The weekly logs/reports shall be submitted on a
monthly basis to the Conservation Commission and shall state whether such work is in his or her
opinion in compliance with the Order of Conditions. The Conservation Commission reserves the
right to require submission of such reports on a more frequent interval. The Conservation
Commission also reserves the right to authorize the consultant to reduce the number of
weekly.inspections submitted on a monthly basis at their discretion.
The applicant must request approval for temporary cessation of reports in writing prospectively.
This request must have the prior approval of an Agent for the Commission. Failure to
submit satisfactory reports shall be deemed sufficient cause for revocation of this permit without
further review.
E. Signatures
This Order is valid for three years, unless otherwise specified as a special as h °gyp go
condition pursuant to General Conditions#4,from the date of Issuance. 1.Date of Issuance
Please Indicate the number of members who will sign this form. _ 5
This Order must be signed by a majority of the Conservation Commission. 2.Number of Signers
The Order must be mailed by certified mail(return receipt requested)or hand delivered to the applicant.A
copy also must be mailed or hand delivered at the same time to the appropriate Department of
Environmental Protection Regional Office, if not filing electronically, and the property owner, if ifferent
from applicant.
Signatur s:
❑ 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 to this Order, or any ten residents of the city or town in which such land is located,
are hereby notified of their right to request the appropriate MassDIwP Regional Office to issue a
Superseding Order of Conditions. The request must be made by certified mail or hand delivery
to the Department, with the appropriate filing fee and a completed Request of Departmental
Action Fee Transmittal Form, as provided in 310 CMR 10.03(7)within tent 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 a Superseding Order.
The request shall state clearly and concisely the objections to the Order which is being
appealed and how the Order does not contribute 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.
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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.
Andover
Conservation Commission
Detach on dotted line, have stamped by the Registry of Deeds and submit to the Conservation
Commission.
To:
Andover
Conservation Commission
Please be advised that the Order of Conditions for the Project at:
315 Turnpike Street, Andover, MA 090-0750 Amended
Project Location MassDEP File Number
Has been recorded at the Registry of Deeds of:
Essex North District
County Book Page
for. Property Owner
and has been noted in the-chain of title of the affected property in:
Book Page
In accordance with the Order of Conditions issued on:
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
vrpaform5.doc• rev.0302010 Page 11 of 12
Peak Flow Credit Summary by Project
Merrimack College Stormwater Master Plan
DEP File No. 090-0750
North Campus Development
Academic Buildings A & C and Sakowich Campus Center Expansion
February 2017
The following summary table has been prepared to document the credits applied for associated
projects from the Stormwater Master Plan banking system, initially established at a rate of 62.0
c.f.s under the Merrimack College, Master Drainage Study and Hydrologic Analysis, dated April 26,
1999 and approved under DEP File No.090-0750.
Net increase In 100-yr Remaining Peak Flow
Project Date Peak Irate(cfs) Credit
Sophomore Housing 2/2002 3.4 58.60
Lot D Parking Lot Extension 3/2003 11.5 47.10
Monican Boulevard Relocation 5/2004 -2.54 49.64
Game Field Renovations 3/2005 0.00 49.64
Elm Street Entrance 5/2006 -0.69 50.33
Volpe Center Expansion 10/2011 1.6 48.73
Student Residences Project 7/2012 4.4 44.33
die##Ca us RE de4e* 8 8 e 3G.20
�y
*Peak Flow Credit deducted from 712014 and 812016 North Campus superseded by current updated model far!North Campus
Updated Phase 1 Residential,Academic Buildings A,B,C and Sakowich Expansion,as noted above.
"The proposed North Campus Project(212017)additionally results in a net decrease in peak discharges rates of 20.1 cfs(for
the 100 year storm)to the Rock Ridge Road drainage system.
9