HomeMy WebLinkAbout2018-02-20 Construction Stormwater Pollution Prevention Plan 11/16/17 Rev 1/23/18 d
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Construction Storm Water Pollution Prevention Plan
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Land Disturbance Permit
Chapter 160— Stormwater Management & Erosion Control Bylaw
Lot 1A (Tax Map 107A Lot 294)
Lot 1 B (Tax Map 107A Lot 46)
Lot 2A (Tax Map 107A Lot 293)
Lot 2B (Tax Map 107A Lot 28)
Located off of Mill Road & Johnson Street, North Andover
Prepared By:
Sullivan Engineering Group, LLC
P,O. Box 2004
Woburn, MA 01888
(781) 854-8644
Prepared For:
TKZ, LLC
1665 Great Pond Road
North Andover, MA 01845
(978) 685-5179
November 16, 2017
Revised: JanuatT 23, 2018
'TABLE OF CONTENTS
Page
INTRODUCTION
Background......................................................................................................... 4
SWPPPContent................................................................................................... 4,5
SWPPP COORDINATOR AND DUTIES..................................................... .......... 5
FACILITY DESCRIPTION
SiteLocation....................................................................................................... 6
ConstructionType................................................................................................. 6
Existing Site Conditions.......................................................................................... 6
SitePlan............................................................................................................. 6
IDENTIFICATION OF POTENTIAL STORM WATER CONTAMINANTS
Significant Material Inventory.................................................................................. 7
Potential Areas for Storm Water Contamination............................................................. 7
A Summary of Available Storm Water Sampling Data...................................................... 7
STORM WATER MANAGEMENT CONTROLS
Temporary and Permanent Erosion Control Practices....................................................... 10
Construction Practices to Minimize Storm Water Contamination.......................................... 10-11
Coordination of 13MPs with Construction Activities......................................................... I I
MAINTENANCE INSPECTION PROCEDURES
Inspections......................................................................................................... 12
EmployeeTraining................................................................................................ 12
Certification......................................................................................................... 13,14
Appendix A:INSPECTION LOGS
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LIST OF TABLES
1 Potential Construction Site Storm Water Pollutants
2 Locations of Potential Sources of Storm Water Contamination
LIST OF FIGURES
• Portion of Town of North Andover Assessor Map showing subject properties
• Registry Plan of Land showing the creation of the 4 single family lots
• Site Development Plan for Lot IA, 1B, 2A, 2B
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1.0 INTRODUCTION
1.1 Background
In 1972,Congress passed the Federal Water Pollution Control Act(FWPCA),also known as the Clean Water Act(CWA),to
restore and maintain the quality of the nation's waterways.The ultimate goal was to snake sure that rivers and streams were
fishable,swimmable,and drinkable.In 1987,the Water Quality Act(WQA)added provisions to the CWA that allowed the EPA to
govern storm water discharges from construction sites.On March 10,2003,EPA published the final notice for General Permits for
Storm Water Discharges from Construction Activities Disturbing 1 Acre or Greater.The general permit includes provisions for
development of a Storm.Water Pollution Prevention Plan(SWPPP)to maximize the potential benefits of pollution prevention and
sediment and erosion control measures at construction sites.
Development,implementation,and maintenance of the SWPPP will provide TKZ,LLC(general contractor)with the framework
for reducing soil erosion and minimizing pollutants in storm water during construction of each building lot.The SWPPP will:
Define the characteristics of the site and the type of construction which will be.occurring;
Describe the site plan for the facility to be constructed;
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Describe the practices that wil l be implemented to control erosion and the release of pollutants in storm water;
Create an implementation sched►►le to ensure that the practices described in this SWPPP are in fact implemented and to
evaluate the plan's effectiveness in reducing erosion, sediment, and pollutant levels in storm water discharged from the
site;and
Describe the final stabilizationitermination design to minimize erosion and prevent storm water impacts after construction
is complete.
1.2 SWPPP Content
This SWPPP includes the following:
Identification of the SWPPP coordinator with a description of this person's duties;
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Identification of the storm water pollution prevention team that will assist in implementation of the SWPPP during construction.
Description of the existing site conditions including existing land use for the site(i.e.,wooded areas,open grassed areas,
pavement,buildings,etc.),soil types.at the site,as well as the location of surface waters which are located on or next to the site
(wetlands,streams,rivers, lakes,ponds,etc.);
Identification of the body of water(s)which will receive runoff from the construction site,including the ultimate body of water that
receives the storm water;
Identification of drainage areas and potential storm water contaminants;
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Description of storm water management controls and various Best Management Practices(BMPs)necessary to reduce erosion,
sediment and pollutants in storm water discharge;
Description of the facility monitoring plan and how controls will be coordinated with construction activities; and a
Description of the implementation schedule and provisions for amendment of the plan.
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2.0 SWPPP COORDINATOR AND DUTIES
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W The construction site SWPPP coordinator for the facility is Mr.Thomas Zahoruiko(phone number:(978)685-5179 with TKZ,
LLC,(general contractor).Mr. Zahoruiko's duties include the following:
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Implement the SWPPP plan with the aid of the SWPPP team;
Oversee maintenance practices identified as BMPs in the SWPPP;
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i Implement and oversee employee training;
Conduct or provide for inspection and monitoring activities;
Identify other potential pollutant sources and make sure they are added to the plan;
Identify any deficiencies in the SWPPP and make sure they are corrected;and
Ensure that any changes in construction plans are addressed in the SWPPP.
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3,0 FACILITY DESCRIPTION
3.1 Site Location
The construction site is comprised of four building lots referenced as Lot I(Tax Map 107A Lot 294),Lot I (Tax Map 107A
Lot 46),Lot 2A(Tax Map 107A Lot 293),and Lot 2B (Tax Map 107A Lot 28). The building lots are located at the southerly
intersection of Mill Road and Johnson Street in North Andover,MA. Presently three of the lots are undeveloped and one lot(Lot
2B)has an existing single family house with an address of 865 Johnson Street,North Andover.
3.2 Construction Type
The project will consist of four(4)single family dwellings constructed with wooden frames. Individual septic systems have been
designed and approved for each lot. Driveways will be paved,
3.3 Existin Site Conditions
The present site consists of three undeveloped lots and one lot improved by an existing single family house(#865 Johnson Street),
This property was subdivided on March 28,2017 into four lots,with three(3)of the lots being 1.3 acres and one(1)of the lots
being t acre. There are wetlands on the southerly pot•tion of the properties and the wetland line location has been approved by the
North Andover Conservation Commission,
3.4 Site Plan
Site plans are attached showing property boundaries,the proposed location of the houses,paved driveway locations,underground
drainage infiltration units,septic system components(all lots),wetland resource areas(and associated protective buffers),and
proposed site grading. 2.2 Acres(of the frill 49 Acre site)will be temporary disturbed during construction activities. The
majority of the site runoff will flow towards the wetland resources areas at the southerly portion of the site. The existing house
(865 Johnson Street)will be razed. Two of the lots(Lot IA+Lot 113)have proposed construction activity within 100 feet of a
bordering vegetated wetland. Lot 2A and Lot 2B have all proposed work outside of the 100 foot wetland buffer zone. Each lot has
an approved septic system design. Each lot will have a drainage infiltration field proposed to collect/recharge roof runoff.
Erosion control barriers,soil stockpile areas,and temporary construction rip-rap driveway entrances are shown for each site.
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4.0 IDENTIFICATION OF POTENTIAL STORM WATER CONTAMINANTS
The purpose of this section is to identify pollutants that could impact storm water during construction of the facility.
4.1 Sianificanrt Material Inventory
Pollutants that result from clearing,grading,excavation,and building materials and have the potential to be present in storm water
runoff are listed in Table 1.This table includes information regarding material type,chemical and physical description,and the
specific regulated storm water pollutants associated with each material.
4.2 Potential Areas for Storm Water Contamination
The following potential source areas of storm water contamination were identified and evaluated;
Cleared and graded areas;
Building construction;
Construction site entrance and asphalt driveway construction;
All undisturbed areas.
Table 2 presents site specific information regarding storm water pollution potential fi•om each of these
areas.
4.3 A Summary of Available Storm Water Sampling Data
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j No storm water sampling data is available for the site.
I 4.4 Waterbody. Receivina Stormwater Dlschar e
' Based on the most current USGS map for this area,the storniwater runoff for this site drains to the wetland resource area at the
southerly portion of the properties and to a lesser extent to an unnamed brook further south of the wetland resource area.
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Table 1
Potential Construction Site Storm Water Pollutants
Trade Name Material Chemical/Physical Description�ij Storm WaterPnllutantstit
Pesticides (insecticides,fimgicides, Various colored to colorless liquid, Chlorinated hydrocarbons,
herbicides,rodenticides) powder,pellets,or grains organophosphates,carbamates,
arsenic
Fertilizer Liquid or solid grains Nitrogen,phosphorous
Plaster White granules or powder Calcium sulphate,calcium
carbonate,sulfuric acid
Cleaning solvents Colorless, blue, or yellow-green Perchloroethylene,methylene
liquid chloride,trichloroethylene,
petroleum distillates
Asphalt Black solid Oil,petroleurn distillates
Concrete White solid Limestone,sand
Glue,adhesives White or yellow liquid Polymers,epoxies
Paints Various colored liquid Metal oxides, stoddard solvent,
talc,calcium carbonate,arsenic
Curing compounds Creamy white liquid Naphtha
Wastewater from construction Water Soil,oil&grease,solids
-equipment washing
Wood preservatives Clear amber or dark brown liquid Stoddard solvent, petroleum
distillates, arsenic, copper,
chromium
Hydraulic oil/fluids Brown oily petroleum h drocarbon Mineral oil
Gasoline Colorless,pale brown or pink Benzene,ethyl benzene,toluene,
petroleum hydrocarbon xylene,M`1'BE
Diesel Fuel Clear,blue-green to yellow liquid Petroleum distillate, oil &
grease,naphthalene,xylenes
Kerosene Pale yellow liquid petroleum Coal oil,petroleum distillates
hydrocarbon
Antifreeze/coolant Clear green/yellow liquid Ethylene glycol, propylene
glycol, heavy metals (copper,
]cad,zinc)
Erosion I Solid Particles Soil,Sediment
(1) Data obtained from MSDSs when available
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Table 2
Locations of Potential Sources of Storm Water Contamination
Drainage Potential Storm Water Potential Pollutants Potential Problem
Area Contamination Point
Building construction Plaster,cleaning solvents,asphalt,concrete, Accidental spills of paints and cleaning solvents,
paints,hydraulic oil,gasoline,antifreeze, leaking hydraulic oil and antifreeze from construction
soil erosion,fertilizer,pesticides,glue equipment,gasoline and diesel fuel spills while
adhesives,curing compounds,wood fueling construction equipment,erosion of exposed
preservatives,kerosene and stockpiled soils,and degradation of scrap dry wall
can potentially contaminate storm water.Asphalt
chemicals can be released to storm water if a rain
event occurs before curing is complete.
Construction driveways Asphalt,hydraulic oil,gasoline,antifreeze, Leaking hydraulic oil and antifreeze from clearing,
soil erosion,fertilizer,pesticides grading and asphalt application
construction equipment.Gasoline and diesel fuel
spills while fueling construction equipment,and
erosion of exposed and stockpiled soils.Asphalt
chemicals can be released to storm water if a rain
event occurs before curing is complete.Tracking of
soil into the road through the construction site
entrance.
Tree removal area Soil erosion,fertilizer,pesticides Ruts caused by logging equipment can fill with water,
preventing complete re-vegetation.
All undisturbed Areas None No storm water related issues with this completely
vegetated area
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5.0 STORM WATER MANAGEMENT CONTROLS
The purpose of this section is to identify the types of temporary and permanent erosion and sediment controls that will be used
during construction activities.The controls will provide soil stabilization for disturbed areas and structural controls to divert runoff
and remove sediment. This section will also address control of other potential storm water pollutant sources such as construction
materials(paints,concrete dust,solvents,plaster),waste disposal,control of vehicle traffic,and sanitary waste disposal.
5.1 Temporary and Permanent Erosion Control Practices
A list of best management procedures(BMPs)has been developed and the locations of these BMPs are shown on the approved
Site Development plan. A number of the BMPs included in this plan have been developed to serve as post-constriction storm
water controls.
Site Wide Control Measures
To prevent soil from washing into the undisturbed areas of the site,the following BMPs will be implemented:
Silt fencing(or construction snow fencing)will be placed along the perimeter of the entire site to be cleared and graded
before any clearing or grading takes place.
Combination of various forms of siltation control are proposed at various locations throughout the site based oil proximity
to the wetland resource areas(See the"Erosion and Sediment Control"plan)
Designated Soil stockpiling areas are shown
A temporary construction entrance is shown at each proposed driveway entrance
5.2 Construction Practices to Minimize Storm Water Contamination
All waste materials will be collected and stored in a securely lidded metal dumpster. All trash and construction debris from the
site will be deposited in the dumpster,The dumpster will be emptied as needed offsite. No construction materials will be buried
on-site.All personnel will be instructed regarding the correct procedure for waste disposal, All sanitary waste will be collected
from the portable units a minimum of two times per week. Good housekeeping and spill control practices will be followed during
construction to minimize storm water contamination fi•om petroleum products,fertilizers,paints,and concrete. Good housekeeping
practices for each drainage area are list below.
To prevent potential storm water contamination,the following BMPs will be implemented:
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All vehicles on site will be monitored for leaks and receive regular preventive maintenance to reduce the chance of
leakage.
Petroleum products will be stored in tightly sealed containers which are clearly labeled.
Spill kits will be included with all fueling sources and maintenance activities.
Any asphalt substances used onsite will be applied according to the manufacturer's recommendation.
All spills will be cleaned up immediately upon discovery. Spills large enough to reach the storm system will be reported
to the National Response Center at 1-800-424-8802.
Concrete trucks will not be allowed to wash out or discharge surplus concrete or drum wash water on the site.
Any asphalt substances used onsite will be applied according to the manufacturer's recommendation.
Sanitary waste will be collected from portable units a minimum of two times a week to avoid overfilling.
A covered dumpster will be used for all waste materials.
All paint containers and curing compounds will be tightly sealed and stored when not required for use.Excess paint will
not be discharged to the stone system,but will be properly disposed according to the manufacturer's instructions.
Materials and equipment necessary for spill cleanup will be kept in the temporary material storage trailer onsite.
Equipment will include,but not be limited to,brooms,dust pans,mops,rags,gloves,goggles,kitty litter,sand,saw dust,
and plastic and metal trash containers.
Spray guns will be cleaned on a removable tarp.
5.3 Coordination of BMPs with Construction Activities
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Structural BMPs will be coordinated with construction activities so the BMP is in place before construction begins. The following
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BMPs will be coordinated with construction activities:
The temporary perimeter controls (various forms of erosion control barriers) will be installed before any clearing and
grading begins. (See Erosion and Sediment Control Plan for forms of erosion control&locations)
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Once construction activity ceases in an area, that area will be stabilized with permanent seed or other permanent
landscaping means.
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The temporary perimeter controls will not be removed and shall be maintained until all construction activities at the site
are complete and soils have been stabilized.
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6.0 MAINTENANCEIINSPECTION PROCEDURES
6.1 Inspections
Visual inspections of all cleared and graded areas of the construction site will be performed daily and within 12 hours of the end of
a storm with rainfall amounts greater than 0.5 inches. The Town of North Andover Planning Department may require weeldy
inspections and reports to be generated based on past practices. The inspection will be conducted by the SWPPP coordinator
or his designated stormwater team members.The inspection will verify that the structural BMPs described in Section 5 of this
SWPPP are in good condition and are minimizing erosion.The inspection will also verify that the procedures used to prevent
storm water contamination from construction materials and petroleum products are effective.
The following inspection and maintenance practices will be used to maintain erosion and sediment controls:
Built up sediment will be removed from erosion control barriers when it has reached one third the barrier height.
Silt fences will be inspected for depth of sediment,for tears,to see if the fabric is securely attached to the fence posts,and
to see that the fence posts are firmly in the ground.
Temporary and permanent seeding will be inspected for bare spots,washouts,and healthy growth.
The maintenance inspection report will be made after each inspection.A copy of the report form to be completed by the SWPPP
coordinator is provided in Appendix A of this SWPPP.Completed forms will be maintained on-site during the entire construction
project.Following construction,the completed forms will be retained at the general contractors office,TKZ,LLC,for a minimum
of 1 year.
If construction activities or design modifications are made to the site plan which could impact storm water, this SWPPP will be
amended appropriately. The amended SWPPP will have a description of the new activities that contribute to the increased
pollutant loading and the planned source control activities.
6.2 Employee Trainin
Employees will be educated about the requirements of the SWPPP. This will include background on the components and goals of
the SWPPP and hands-on-training in erosion controls,spill prevention and response,good housekeeping,proper material handling,
disposal and control of waste,equipment fueling, and proper storage,washing, and inspection procedures. All employees will be
trained prior to their first day on the site.
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63 Certification
Owner Certification
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted.
Based on my inquiry of the person or persons who manages the system,or those persons directly responsible for gathering the
information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete.I am aware that
there are significant penalties for submitting false information,including the possibility of fine and imprisonment for knowing
violations.
Name
Title
Date
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Contractor• Certification (TKZ,LLC - General Contractor)
I certify under penalty of law that I understand the terms and conditions of the general National Pollutant
Discharge Elimination System (NPDES) permit that authorizes the storm water discharges associated with
industrial activity from the construction site identified as part of this certification.
Name
Title
Date
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Appendix A
Inspection Logs
Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
To be completed every 7 days and within 24 hours of a rainfall event of 0.5 inches or more
Inspector: Date:
Inspector's Qualifications:
Days since last rainfall: Amount of last rainfall:
Stabilization Measures
Date Since Date of
Drainage bast Next Stabilized
Area Disturbance Disturbance (Yes/No) Stabilized With Condition
Stabilization required:
To be performed by: On or before:
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Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
Drivewa Entrance(s):
Does Mueli Sediment Is the Gravel Clean or is it
Get Tracked on to Filled with Sediment?
Road?
Maintenance required for driveway entrance(s):
To be performed by: On or Before:-
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Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
Perimeter Structural Controls:
Date:
Silt Fence
Drainage Area Has Silt Reached Is Fence Properly Is:There Evidenee.of
Perimeter 1/3 ofF.ence:Height? Secured? Washout or Ovar-
topping?
Maintenance required for silt fence:
To be perforined by: On or before:
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Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
Changes required to the pollution prevention plan:
Reasons for changes:
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted.
Based on my inquiry of the person or persons who manage the system,or those persons directly responsible for gathering the
information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete.I am aware that
there are signification penalties for submitting false information,including the possibility of fine and imprisonment for knowing
violations.
Signature: Date:
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Town of North Andover, MA November 16, 2017
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Alp lA1L!1.!aQ t arLvt a'n'wmW u r4Yr aT ENc rnamlrnw 0lxlslrr.
vJ �'W �r!awLc wmRa»mr wwlTR wRaAz'mx flrmEr mxo foam
_ - - - .rt ruarorm uw cw anmrfrar rc utiavmcrur orncrro.
_ .. - rs?lNOivlua m+m�+ con.��m�R��a urc rrnL,c+rssv.ar oavaxo lam
PROPOSED WALIRATION FlE'LO fU.'Ra MII}Im!Gmf MnCN ram.aT 1eC ASCmsm mlu
LONG) - IU rar rn�m�xslQ,!u uLrLwu.wp ewRsglPt .UA NlTxunm rAacLnw¢a
- - - CGN51511NC DF`INFL7WAToK CIPICK a UNIi5 �fS a00NC0 W f[M JNL WNa1 MPN YRLc a WWw
. .. (SEE DETAIL SHEET) - iaW.om "iww�um f` w�aLii mNr`�fwvl m'ra misTr m'.wr,fr!as
TT)=L£cT CNnRE ROOF AREA OF NODSE
.. - VIA 4'HDPE ROOF DRAINS reJr WGim>•}rMM}Ml l4i!WGticlRNicl(f%rarNW!Wr!bM
N
fU44T0i C
.. I rsn 75.e.7q � 5�380.iB�• j s ...� ��'m'tt —1 I ,w.�....:s,
lmm e -
_ �•` ; I` j ♦\ f v +art I� �� DEVON CALCULA77ONS
• - ]nrt.s+' � i. 30' 91WNAGE � f f\\�r ma�''� 3
-
",�— \ \ ! + A ocsm�rLm.•-�ermaao�.�t2 w✓�.:t&,.39.
4. \ - � r \fj \�� ♦ �'R 11' nrrw xnc slm..t.wm•.M.
-LOT,IA
z � f -\\�" i •� 7♦♦ � � I I L' w�rrnal xswr ra wc3n+w zeevcN�isra eereU
-- -- -_�w ...,. \. , i � fog. r�mL q,, ra •' LYP]CYM'wmnr.lr- rRacrrvr aver
: \ \\' ' \ !LY lCat 1.mR —"'AO}
MEA:NeC S.F. \ n I, ` aeL .E, . —TupL Tm7+w�rvlalr. 2a rJn...R2wyzr.>•.d�aec/R.
DO \ SA4ou✓J�Cfn./Ty.liLR,ar l�mr.N amwlx
' C8Aa34,13]7 s,F, •ow•` - IIk A.0 + e]' - m.Ino+ars(a�, - aaclrm3xcxir er.zl.R..17A.R.0 naEov alvraoro
L07L - } l 1 `.. 3 y - T•a[x Y Pr r Lrxf -
. -i•.=..\ +ro y `" 1 I 1 sane rwr AW'Dr aoosl s.n mN-..fe].•, fln aTr w]npv IaW at
' ♦ ♦ sou-axfC ` m \ ���s 1 1
.: W'.�., ,`"•"° I a SULUVAN ENGINEERWG GROUP, LLC
PREPARED DRAINAGE OVERLAY
''" \ �`_ • . ` . . INFORMATION TO BASE PLAN
ti •� \ PREPARED BY MERRIMACK ENGINEERING.
\
- a? ,- �r •a.u�m N w - Ivaircr xfor an rx!afame Aa^"L .
SEE CONSTRUCTION DETAIL
a SPIFFY FOR DETAILED ELEVATIONS ddd "m YL S \, TEMPORARY CONSTRUCTION EWRANCE
a \per (SEE CONSTRUC71CN DETAIL)
FOR INFILTRATION FIELD PLO
_ _ ]rear r•.as f - PLAN OF
I - SUBSURFACE SEWAGE DISPOSAL ST'=M
o 'T'War wN wW NORTH ANDOSER. MASS.
F - LIMIT OF WATERSHED _ . PAmAam m
CAROLE R. RESCA
o - � MS JDIAVSO.V.4IRLLT'
A�wr f LOr-M� SOOLm—wr/ IA Para
V xa, mrr n rLrenorol
g LOT TA, — TOTAL SITE DISTURBANCE REVISED: 7/24/18 `Aw1 a fir' AMRRMCKkMG490MM` =
5 21,780 5.F:/0.5 ACC pA $6 PARR STREETTED: 1/8/18 ANDOVER nrMACHUSEM 01810
sxrcr!ar r
_ NOTES
. -. . +J�e�p}fxe aaa Anwnlelf rnxx suuu rc.m oaxrouwrot xrrlr Lra
' - - , .. - aJ Au rmre re ar aovrrt wavao uxarasA.n'Arid rxt.ar uaG molt Axa war:
- .- - - .. aJ Tali arsmr rs xer amfrre rar vrt iXDr A what arlxRrR.
- - A)AWvi AS[SYaaR. a Raars AMD dllr[a¢Axa N[eAC[wMY Lrmnm Ills fYRIIM .
. _ v R[r ar ll�Yd4 rtti AC nr avNrcRYW tt rtlX alt rfla(fJ.
. - - .�: �\' - s) cmfn AumuG amR rxs mm fwu a rx[r er uAr,sTrurs,vAxfwYr.
•. - .. - rums,s.,wsr cvnarrxenax xAsruAG slut am s alw4 x sarl®.xa
- ♦ - ix°"rs r'""`ec'anO16 wrxaazr x,acx un aeex m aerwm aue wa,e�vr a
- _ ., ♦ \ nu alnafu.Aaa,awr Aor Ac AUaXAA
,LY q ♦ - TJ Au vm,r°aurc_n wn ardrmn oR wnnn•I+e s mrss Axo fruu xA.s xwmr.mwrf
\� - \ `r, L.) nN+ux ram wa>rou wur rAxw rbw msRle rwa A✓a ma,ms
- _ _ - � � _ - .. .. - ♦ ♦ w n¢warlrx a:avma wmAnxame arvTns>r s cuxx nau o.�.rR,x.,rs A.a
' _ � k,,, � \ - naraxroa mou rma:mm�au�rmr vumAn mt cue wrr`ilwr ar Au
. `` _ _ A'?p�.,','♦� Fvx/nv rmlilCf s[IVM CMrfrRIIVIM.'1 xOMr.rIR ORS/CN rtWNRtA 9+44.a[XvrllRa
; j w .. �c:� ` rlNfGkr[t1'OF AW IXGRIMXPiI fV IHST M{IrivlLL Amax¢ul x TM.'
se - 1a.7 Axm mlmuow sxuL xmrn Tur adw rxFrKmr AA uRs rtrAorAxs o<Rre RrcAwnfx. '
..j_ ♦.v`,rry 1- j j r la. e.�• g _♦`�i*et ,xe aircRAcmR rr r�wA uur rtr+so+mR loe mr.u-.vu.T r.•oramla An
' 1 I ♦'- - \` _ - j � ' \ i'��' la) ir4W nM iRRa axAft x al[uwm As rMr vYTNC rMWaNI[nax afWRAar.
- 't I �. l ' ~•J \ `� . �. - rsJ Au mra AwmoxevY axAAi K xAwera MM YbNLTlO 4AArM0 ur,ucRs RexO°aRRe
tt \ .i.'. ,��% 1 •x.w iOLLiiL ` t l .. a�may lui v arm) - ri1 mHur xtriJ Ltlfl,nl pw n aIM AIr1 AlNi1v n[ISS 91 PkNRTN9a 441A
w tt ♦'� r:A - AREA-M.e91 S.F. ` t t svruea wrncx A0a rr.w rx aeEip4
L y a rU xo xuuxo:[Ras rmw a rRr Rlowem frnw.
t ♦ faaaaL AC. \ _
. t�fi ♦ ...L`bA�44.S7L S.F. - e'_ 1t l \1 - G r0a ma 7rs ILL 1urtWALs ANf"1MNnrXrf Axa Ail pgru)frex rAorspyR{T
• , - - w100% ` l l 9 rA�M[11M[r tZ orx�or
' / � f \ l laxl IRROaM sodas.IrM69 a lbrra. '
- ♦ / •r r ! � r'k. t raV 16} �Y Grrn'[T•LM1Yra wYfxW M GR[MCIWIKNICN 1MIOIRoa}rorpaex
• ` .L l PROPOSED-WRLTRA.TION FIELD
-7.si', (11.32'1NtlE%14'LONG)
CCN3f5nNC OF MI-TRATDR aurCK 4 UN1 S
_1r——"__ •nw' Y i T mat Yam N ` �✓✓ t - (SEE DETAIL SWEET}
TO COLLECT ENTIRE RCDF AREA OF HOUSE
VIA 4,HDPE ROOF GRAINS
=O %��+~• 3 i TEMPORARY CCNSTRUCTION ENTRANCE
... - _ _ ♦\ f ��._ _.' r (SEE CONSTRUCTION DETAIL)
DESIGN CALCUI-NnONS
rni:IT is Do- } ♦r „un
- - ,r • �;�� axvlal- { Rtm, ^� • above Riue vAm�.xm�/Rr.•��uVvAT/vvar _._�
....f '�'��nrs I *1 AFr�r AUR 10.rHNa IIIO1CI10(Yr MAR}
�Il��(' y 7fF I fFG aALsr
' - . .. - ."'Xis'.Ik 1 / - I 1 rwrtr r+vAarr.SR.rr✓�.dL vu./sr.-�uWrc
LIMIT OF'WATERSHED .ffi •�" �xr `� + fr !' r *�.ru/i@°At./rr..t7Sm ar mrxsx a[wa°m
uxLnnrxvrs Ar-!Lff...I&n.or rnrsrc+r A—m
- - rnrR.aw.owaf � »M \ �i g g� �'1 -)r�+ � I y� ama rAvs Roca.Rfae,4+a ms..aea au.al,r xar lmawl Yana aw
pw. SULLIVAN ENGINEERING GROUP, LLC
" ^`• b °°Rom PREPARED DRAINAGE OVERLAY
w /e i XROP.TtOrr{f INFORMATION TO BASE PLAN
\ + I a roar.I'or x vY raxa
A � ;' ^► Gam; y PREPARED BY MERREMACK ENGINEERING:
V 1
6 - / I zrox` l ml r rua+rrr. .:
LOCU5 MAP
o _. xor ro srAu JaRo ouM -
. _ 71nC TANr -aL4 r( 'dF
_I Rm WAaaaR/Rrrr-x[[xdx Mrt -
Our 111)~�z v� / 4R} a lam _
PLAN OF
SEE CONSTRUCTICN DETAIL PLAN SWSEr"ACL'SEWAGZ DMOSAL SYSTEM
SHEET FOR DETAILED ELEVATIONS NORTH AN00YER,,MASS
FOR INFILTRATION FIELD / .s E R.''RE
ar CAROLER-'RfSGA..
eef:mwsav scam
piR L'.YCGTPRS.Wtr�/ 1a1A 1Or'?e .'ffYOA'!$!OR leT/ I➢
LOT -73 70TAL-SITE DISTURBANCE �y Rrrsnx>evxw X AGS$lVG smy'rCE5l
3 29,625 S.F./0.7 4Cf REVISED: 9/24/1S 66 PARK SARFET
DATED: 1/8/18 AtWVEZ VASSACEusm"M 01mo fxar r or r
1..LOCUS ;hl.�P:
HOTES -
- , - `\ �a 1 :Y'i 1 ES..i 1 \� .. `�aver!ssv O} rxr we bvmbnw mmr awu:ar w wRwwrv.•a»mr sro
, t
\;[r[`� �.r t i i ` +.f.0 turn io x eouer�ww v xreen.m•.xa r.re ai 1ms rwfx%xo awr.
. SALy. \ \ l \ `\� EL4 ` \< - Sa }WF STJR]!Id kM xAmlm mr U6 M11N A d1eMPL YrnroOl. -'
\`+ - i - - W a"m.c"r anlrm�ilull�kowsia+4V [m+ `w.rasr(t}!i nrrux
\ � '\j`- \ \s - 1� - '.psfaa.Ia a .1 - AJ mlxe 1M1Aa1.a+a lwc frnru aRut ar rvu or rl,r,mouo,uefvrulr,
. ` � \ ` ,y � � - cwwltt mam wAciur¢n imcw wm cwnr wroa o]mv�ri ra uiarrear m
\. ,. .. � \.. ti - •¢�: .l ) . �� N1P.1T.Aw rnNO[r mar m-�2_R'K,TN!S[iI1C LANK
f?. � }S -\• ••� `s♦.' - - '� ��I - rS w<i wwa frw.t K fA'a,rA.wxr oA wPraa'oat scs•.x:.fe tau rNwr amrxier turtle
- n ` ` �' ♦ - "" 1 - - +�j r rmr eee�av uxneEenemm unarfrrs rAs semi nfeu .wa
tiAwwrf+ 1 - - yi i I ` A[M�,u rwlr rf4a tl,+fR✓.rMPn pW YMkM6f WD AAP AMRn1tWAR. .
4. J`, `♦} 1 H��J I 'r fMr OOxlRKFR srui Pr xi/tW W4C Nt!1[IIw+AYC rMC A[iR tOGIIM d ALL
_ .\� Vbb. �farm I I� .' aurae Vmma enure mmnunmr xeorv.!f4 ev¢x Rr�r fwu."t Mofmm
' \ \ a'nl P � I y/ A!A'ra'Af[IY LF AM MRWbAIIW vY➢4r KMWc ttlldY'Luf AC rArb.-
_
� -51 `. \`„ �b - ``♦u � _ �yA[. rr.1'1kr MxrR,CrOtl bl1LL ACAxumisua NLvwrrtl rwr rxr.�nin[T[mticnaxx Wa
. '..�� .. _' '_� -. _- - ```\ ` � . •r�, _ fW+.ap ttgrFr RN[r K wgaaea K'IfR Ff rXr'fMeIiRUCnaN CPYSMar.
`l\ , •a�`Y:\ ♦` ♦\ a '�i "'I fmrnr'r"roixru°w.rMf'�nir"s�roAttm,wo°r:.r""roroxr "x w..e°xe'n urr miir•°r:w,mun
\` `\. �'`���?i •�\ ♦`---"*'--���, `�'wNOmrc eAe nrr:cr mr iai�H01 trrr rwuc malr os Kw+wm»xra.
\ wx a \ \
.. . -. \\.': \ }- _1`^—_`��� �-._.r__\ r y ♦ - r4U No n[11.lam❑tor Prrtax�et rfrc rRarosm frsr{N,
1 .��__\ Y. - TPoaaV fa1T�. -m.7 r.v arrrrrf fix.tub Ie Nu w"�a"'f A',gym''ane+rx r
♦ _ 1 WT MIX 12D v.a F(OV,Pm+�i f�mf mi£W+'xr.[s P'r++ofA[Or 4 r19fFtlrr.]rC CMA
Y , , e 57. 2 S.i. \\ f vun or xnr rzeayr lrrrmwmr ffaoz uMtff anrc..inrr xerm.
a1.b124`Al.:r l \ \ M"Y♦ lu G'OILtY awW[C YiRM riff W'r IX'GI.L��6rrtCl(1MllltLrtG rRO1rClIP1'
4.` _- �• ♦fir 160k^mf/ -
-
i T^`
fl%32�
nynpalgp I r @ INFlLTRA TION rAr •7 I 11.77 WIDE%♦D•LONG))
a - I Cl'INFILTRp7'OR CU3CR 4 UtAIR(SM DE =
4 CSEE DETAIL SHEErY
TO CCLLECT ENTIRE RODF AREA CF HOUSE 41e5•W C4LCU[p7f0NS
mA v HDPE ROOF DRAINS
fraa:fear a• ;^ .udatnce`. ` ar]fw,fnr.—araaaer. rfo atf,ra„/mef. i mv.
.�' - - r -y, \\ •1 I - lYlreriVr alb}N r 3r'-.[rr[emr irk.Jj„',
3WN£` 1
l raOiGl WsatT. S.r./ir.,tLi CALl3I..Lr OLNI.
nnlrNrs U) .a ' / ^7'f\ ` mr fr wady an.m
]'MtlC x 1'OF r so•urla �'CCALJ3C W VFr.._UL ..OF 111[ Y flOVN[0 .
rna.z'fxwtfd a.xta/ r 3"'4j a �� Ilk. \\ 4Ar2rRG6MM A7_I
n .Jffi.I]:w rIVMA'IwVmtD
xr —T a R !� T I['41 \ aarsG TAMr Nlb2e]O¢a r ua ne..Peo at Pavr!,er ua rxrk I]eo aAl.
XW MOYWe1A ilea au.
SULLIVAN ENGINEERING GROUP, 'LLC
a' = - \ PREPARED DRAINAGE OVERLAY
INFORMATION TO BASE PLAN
PREPARED HY MERRIMACK-ENGINEERING.
SUM�1+�Is YWf CpIRr/Ilan.eN.CrtYI
m .� �1a' �� a�s� tt `•.. m+Arb funr a,ar wwfwn
7 vuulnn M[xuvmo:v oAx
TEMPORARY CON57RUCTiQN..ENTRAtJCE, ♦`'•'.\•�� na _ -
(SEE CONSTRUCTION DETAIL)
PL4N OF
" s, � •`Y" SUBSURFACE SEWAGE X9?0 dL• SI'S=
OVERACT.PUN �� ww � NORTH ANAOM, MASS.
. xrn r•-rr
As meyAw roe
- SEE CONSTRUCTION DETAIL _n6t� fx CaROLE R. RESCA
SHEET.FOR'DETAILED .ELEVATIONS 4 sews Ar +o u' wTn e�rc�r,
FOR INFILTRATION FIELD n. oa r: ACNflLAL wwmaF AabtSSaaS" tuaoru ax ar�—"
LOY 2A = TOTAL SITE DISTURBANCE
19,050 S.F./C.44 ACt REVISED: 1/24/18 r w C6 FAIW 8TREET V18�
DATED 1/8/18 XMOVER, MASSACVUS= aTaca ter,�,
CnCU
NOTES
-, ,�� _ rJ Alz mart m ar oaWec xrarm Axe/Kc oa aar,111o,4m aDsr.
.slw Yunlrayq ta� \ - - '. _ Rj nmaK.u.etyma,.aoo:r a�"sun�roa AxDAevurt mm+lr�La,m rna mpex.
IYt} - - _ reel a<smrti.rei ew4 n w[ausmlexts mix alor e••^ua -
- - ] S ACf TIWta Y4'rIM[xf nnL'I wT cinex olr wfTw1 nC AURdfxr W
- ' - PIn4 w M[d�dt A�en enw ums PL ALLOMlA -
' IJ�� r wmwr�P-R,ar nT rom Tiwr
81 tm• ♦„ 7.. 8� 7�.,./ - _ _ 'fin:a roL•aos Aaravmar Drrrexr. - .
_ .. ! $. I - rJ Att roam xuu at wa arrAloxr ax tamxawa iuAOe um mu.xx+t wrLarmxr/wxrs
' _ -v. m . - 'eJ nAolrnrr.lem ewmm•wnu•aunr Lmu narnn sulK Arm aeeuax
rr -ria'e¢�_ rJ Tlr wurnw or enrrMv Imewo.m t:mllrra w.s nvrsM rliar umaer nw,wa
.. �� � SY ', - � � I '���(' - ,. ML raNlMatM SVAet RLflaxtllMC rDa YatlMNDirQ lAlpr 1x��er Afi
'` T, .¢� LkldlVlO M[I!!6L/LIOe[WMf1m/CIfOM llRlf.IH[M9GN MIYR01 IfINL K MWIRm
' k \�> '\` '�It- TL xe - '' dumuY¢i M LR-ATanuroo so.l1GT ACYmut iefpx'Qy rAx JC rAefx.
•� - � .. _YAB- . , +\�� eoJ. e Caxnua+Ga aruv.xaNY rrlL tlLAD.CroMrLA b Nai M A6VAXK W wo Lki YArmr
�Y nrp apwlmKlx R IxA{enoaxrza INsr1GIWxT Ux paw,
y - 1!J- L9C.J9lfl Ni 1N14r-eNlT IMIlcINx3 41A
�36 5�. - ruk iNtl�1YIC[A'uLL 1l whwLo�Iia RAm ar 31u CPNfievarttW oONfI.ICY.
S l a2 A MYMVhIK ailui eC w:U'LD WM waNtl+C uMAIMI Y.IrC v[tlK dwV WALD
_ C8N+43.402 f•W_ "4''� uwm xeru Ma .u;nwWm un ew mxunor d:rApxerr r oomea
. -.1Q0% �•i \ �c 1+�\ r 1 LIMIT OF WATERSHEDIaJ !a rwvAn Irw a'nr.mmwr IW n.xmr swr rwuc wnv me nmrunn rrm svrua wmnn.aa R.er nu mma.
i! \ �t e4}ew vtrwma rpm xmxN Jam pr ext�mo sneon
Yr l - !JJ 1NIt 115r0I MI AFL MAYIw1f AkD Gdl-AxD.UL MI.Uunnl rRa[ml�
I 1 sW LL aF Ixa Ay IxRxorO Ip R M eNL WxrpaYwkL eirn mLL s, Mxpu
..rr,�� } 0 3uLrls/0 1Mt NIWIRf LL Du1vsAL 91'sMftlAH TLIYWC JYG Gne
' x�r �' •nn' - sorW Nx n�l 11 ��t '. .+n'42. � I A ! - !eJ�e mlt•v rml•mrwrm rmtmv rut ul[c Coll�N1A'tmrx 1vArrMNm nnraenex
xxTAC mK
la �� em marvD.wn
PxLii
lMm7RsP-ft,D
DETaN CALCULl7(f NS
„re a
r �, "'>< 1 ! .. x\ �°• Cr larcsnr nmelu.ae-- rnrcwc aLaM.1i
l `am r r ^` _ ewiu w.larr-warm.A�ida✓a.r...i 7_nwYr. .
• '�. t `� \ _ 't 1l44IE/-Uw-/rx-Mr R.wIAe uauam_
\,; � t L wL�elaxvaa4r�rr.-3,[lR.d.mnRJr.mrmm
\ ♦ \ � v„xe LhXa Paenarm Ixp a�
Rr wu - qe - 't`�I „ r ROPCSEO INFlLTRA770N FIELD .
- iUm..ls�, ' p(��• I (rl..>z'IaDE x Aa'cDNc)
caus�57K a7 INFlI WICK a UNITS
✓�}_ � (SEE DETAIL SHE
•.[{/�� Re COL LEV EIQVRE ROOF AREA OF HOUSE
VIA 4'HOPE ROOF DRA.N3
7EmpoRARY CONSTRUCTION ENTRANCE a
LOT 28 T- (sEE caNSTRucncN Oc7All). �..
ralws,Aai sr. 5t 4 .,d 17.43
DOR
PUN
- n'I" - ..vt �'*'� `� I - 'ad'xl"xx min't„n`°�.ttc:'iav°adr•w.�u q - —"- SULLIVAN
- s „ '� ' ENGINEERING- GROUP, LLc
SEE GONSTRUC710N DETAIL. NFORMADCDRA0N.8AS PLAN OVERLAYCE MAN OF
SHEET FOR DETAILED ELEVATIONS PREPARED BY MERRlMACK ENGlNEERfNG SUBSURFACE SEiiAGE DISPOSAL SYSTZU
FOR INFILTRATION M .ELD NORTH ANDOVER, MASS.
sal, a
d - CAROLE-R. R£SCA
mm rLa JOHN=araerr
LOT 29 — TOTAL' SITE DISTURBANCE aeurnsmpRx mrca�la/es
OVERA - 2 a,`3 C S.F./C,55 A G± Ycm Asunaes wP f .A ror— svaorasmN mr III
so
. .. .. PLAN x2' .cure ar vtwmroa
seua r•.aD REVISED: 1/24/18 r e-Ir .vx ear s.ax.AlY9LLr Ifflumcr AGnagnm$$UM
- 66 PARS ST=
DATED: 1/8/1 8 AND01+$R MASSICHU51M 01$10 sxarr r pr z
The following guidelines are inherent within the Erosion and Sediment Control Plan as
applicable:
a) Minimize total area of disturbance and minimize unnecessary clearing and grading from
all construction sites. Clearing and grading shall only be performed within areas needed
to build the project, including structures, utilities, roads, recreational amenities, post-
construction stormwater management facilities, and related infrastructure.
b) Keep stormwater runoff velocities low. The removal of existing vegetative cover during
development and the resulting increase in impermeable surface area after development
will increase both the volume and velocity of runoff. These increases must be taken into
account when providing for erosion control.
c) Protect disturbed areas from stormwater runoff. Best management practices can be
utilized to prevent water from entering and running over the disturbed area. Diversions
and other control practices intercept runoff from higher watershed areas, store or divert it
away from vulnerable areas, and direct it toward stabilized outlets.
d) Placement of structural practices in floodplains must be avoided to the degree
practicable.
e) Site plans should ensure that existing vegetation is preserved where possible and that
disturbed portions of the site are stabilized. Use of impervious surfaces for stabilization
should be avoided.
f) Prior to any land disturbance activities commencing on the site, the developer shall
physically mark limits of no land disturbance on the site with tape, signs, or orange
construction fence, so that workers can see the areas to be protected. The physical
markers shall be inspected daily.
g) Appropriate erosion and sediment control measures shall be installed prior to
disturbance and maintained in accordance with the manufacturer"s specifications and
good engineering practices to ensure they perform as intended. Sediment in runoff water
shall be trapped and retained within the project area. Wetland areas and surface waters
shall be protected from sediment.
h) Erosion and Sediment Control measures used shall be chosen based on the goal of
minimizing site disturbance from installation of such measures.
i) Sediment trapping and settling devices shall be employed to trap and/or retain
suspended sediments and allow time for them to settle out in cases where perimeter
sediment controls (e.g., silt fence and hay bales) are deemed to be ineffective in trapping
suspended sediments on-site. Sediment basins shall also be used to minimize peak rate
of runoff in accordance with the Massachusetts Stormwater Standards.
j) BMPs to be used for infiltration after construction shall not be used as BMPs during
construction unless otherwise approved by the Board. Many infiltration technologies are
not designed to handle the high concentrations of sediments typically found in
construction runoff, and thus must be protected from construction related sediment
loadings.
k) Sediment shall be removed once the volume reaches '/ to Y2 the height of a hay bale.
Sediment shall be removed from silt fence prior to reaching the load-bearing capacity of
the silt fence which may be lower than % to Y2 the height.
1) Sediment from sediment traps or sedimentation ponds shall be removed when it reaches
a depth of six inches.
m) On and off-site material storage areas, including construction and waste materials, shall
be properly protected and managed.
n) Erosion and sediment controls shall be coordinated with the sequence of grading,
development and construction operations; control measures shall be in effect prior to
commencement of each increment/phase of the process and control measures from prior
phases shall continue to be maintained until the site is stabilized;
o) Land disturbance activities exceeding two acres in size shall not be disturbed without a
sequencing plan that requires stormwater controls to be installed and the soil stabilized,
as disturbance beyond the two acres continues. Mass clearings and grading of the entire
site should be avoided. Prior to any construction on the site, applicant shall submit a
construction phasing plan to the Planning Department for review and approval.
p) Soil and other materials shall not be stockpiled or redistributed, either temporarily or
permanently, in locations or in such a manner as would cause suffocation of tree root
systems;
q) Topsoil shall be stripped from disturbed areas, stockpiled in approved areas and
stabilized with temporary vegetative cover if it is to be left for more than thirty (30)
calendar days; perimeter sediment controls shall be installed around each area of
stockpiled topsoil.
r) Soil stockpiles must be stabilized or covered at the end of each workday. Stockpile side
slopes shall not be greater than 2:1. All stockpiles shall be surrounded by sediment
controls.
s) Projects must comply with applicable Federal, State and local laws and regulations
including waste disposal, sanitary sewer or septic system regulations, and air quality
requirements, including dust and debris control.
t) A tracking pad shall be constructed at all entrance/exist points of the site to reduce the
amount of soil carried onto roadways and off the site.
u) Dust shall be controlled at the site.
v) On the cut side of roads, ditches shall be stabilized immediately with rock rip-rap or
other non-erodible liners, or where appropriate, vegetative measures such as sod.
w) All graded areas beyond the Street Right-of-Way shall be covered with
four (4") inches of topsoil and planted with a native species of vegetative
cover, sufficient to prevent erosion;
x) Temporary seeding, mulching or other suitable stabilization methods
shall be used to protect exposed soil areas during construction; as
feasible, natural vegetation shall be retained and protected; during the
months of October through March, when seeding may be impractical, an
anchored mulch or sod shall be applied as approved by the Planning Board
or by its Designee; diversions and/or prepared outlets may be required in
critical areas during construction.
y) Permanent seeding shall be undertaken in the spring from March through
May, and in late summer and early fall from August to October 15. During
the peak summer months and in the fall after October 15, when seeding is
found to be impractical, appropriate temporary mulch shall be applied.
Permanent seeding may be undertaken during the summer if plans provide
for adequate mulching and watering.
z) Permanent vegetation and erosion control structures, as necessary, shall be
installed preferably immediately after construction is completed but
otherwise no later than the first full spring season immediately thereafter;
they shall comply with the erosion and sedimentation vegetative practices
recommended by the U.S. Soil Conservation Service;
aa)Native species shall be used for re-vegetation;
bb)Slopes (greater than 3:1) shall be protected from erosion by limiting
clearing of these areas in the first place or, where grading is unavoidable,
by providing special techniques to prevent upland runoff from flowing down
a steep slope and through immediate stabilization to prevent gullying.
Offsite runoff shall be diverted from highly erodible soils and steep slopes to
stable areas.
cc) Interim and permanent stabilization measures shall be instituted on a
disturbed area immediately after construction activity has temporarily or
permanently ceased on that portion of the site. Two methods are available
for stabilizing disturbed areas: mechanical (or structural) methods and
vegetative methods. In some cases, both are combined in order to retard
erosion.
dd)Temporary sediment trapping devices must not be removed until permanent
stabilization is established in all contributory drainage areas. Similarly,
stabilization shall be established prior to converting sediment traps/basins
into permanent (post-construction) stormwater management facilities. All
facilities used as temporary measures shall be cleaned prior to being put
into final operation.
ee)AII temporary erosion and sediment control measures shall be removed
after final site stabilization. Disturbed soil areas resulting from the removal
of temporary measures shall be permanently stabilized within 30 days of
removal.
Construction Storm Water Pollution Prevention Plan
Land Disturbance Permit
Chapter 160 — Stormwater Management & Erosion Control Bylaw
Lot 1A (Tax Map 107A Lot 294)
Lot 1 B (Tax Map 107A Lot 46)
Lot 2A (Tax Map 107A Lot 293)
Lot 2B (Tax Map 107A Lot 28)
Located off of Mill Road & Johnson Street, North Andover
I
PreparedJOHN D.
B�
Sullivan Engineering Group, L C S,tJLLIVAMlf
P.O. Box 2004 CIVIL E
Woburn, MA 01888 , °4� 1
(781) 854-8644 �a�
UAV
Prepared For:
TKZ, LLC
1665 Great Pond Road
North Andover, MA 01845
(978) 685-5179
November 1.6, 2017
TABLE OF CONTENTS
Page
INTRODUCTION
Background......................................................................................................... 4
SWPPPContent................................................................................................... 435
SWPPP COORDINATOR AND DUTIES................................................................... 5
FACILITY DESCRIPTION
SiteLocation....................................................................................................... 6
ConstructionType................................................................................................. 6
Existing Site Conditions.......................................................................................... 6
SitePlan............................................................................................................. 6
IDENTIFICATION OF POTENTIAL.STORM WATER CONTAMINANTS
SignificantMaterial Inventory.................................................................................. 7
Potential Areas for Stonn Water Contamination............................................................. 7
A Summary or Available Storm Water Sampling Data...................................................... 7
g STORM WATER MANAGEMENT CONTROLS
Temporary and Pennanent Erosion Control Practices....................................................... 10
Construction Practices to Minimize Storm Water Contamination...............
Coordination of BMPs with Construction Activities............ ............... I 1
i
MAINTENANCE INSPECTION PROCEDURES
Inspections......................................................................................................... 12
EmployeeTraining. .............................................................................................. 12
Certification......................................................................................................... 13,14
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Appendix A: INSPECTION LOGS
2
LIST OF TABLES
1 Potential Construction Site Storm Water Pollutants
2 Locations of Potential Sources of Storm Water Contamination
LIST OF FIGURES
Portion of Town of North Andover Assessor Map showing subject properties
I • Registry Plan of Land showing the creation of the 4 single family lots
• Site Development Plan for Lot IA+Lot 113 by Merrimack Engineering Services dated 7/28/17
• Subsurface Sewage Disposal Plan for Lot 2A
• Subsurface Sewage Disposal Plan for Lot 213
4
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1.0 INTRODUCTION
1.1 Background
In 1972,Congress passed the Federal Water Pollution Control Act(FWPCA),also known as the Clean Water Act(CWA),to
restore and maintain the quality of the nation's waterways.The ultimate goal was to make sure that rivers and streams were
fishable,swimmable,and drinkable. In 1987,the Water Quality Act(WQA)added provisions to the CWA that allowed tie EPA to
govern storm water discharges from construction sites. On March 10,2003,EPA published the final notice for General Permits for
Storm Water Discharges from Construction Activities Disturbing 1 Acre or Greater.The general permit includes provisions for
development of a Storm Water Pollution Prevention Plan(SWPPP)to maximize fie potential benefits of pollution prevention and
sediment and erosion control measures at construction sites.
Development,implementation,and maintenance of the SWPPP will provide TKZ,LLC(general contractor)with the framework
for reducing soil erosion and minimizing pollutants in storm water during construction of each building lot.T'he SWPPP will;
Define the characteristics of tie site and the type of construction which will be occurring;
Describe the site plan for the facility to be constructed;
Describe the practices that will be implemented to control erosion and the release of pollutants in storm water;
Create an implementation schedule to ensure that the practices described in this SWPPP are in fact implemented and to
evaluate the plan's effectiveness in reducing erosion, sediment, and pollutant levels in storm water discharged from the
site;and
¢: Describe the final stabilization/termination design to minimize erosion and prevent storm water impacts after construction
is complete.
1.2 SWPPP Content
Tliis SWPPP includes the following:
Identification of the SWPPP coordinator with a description of this person's duties;
4
Identification of the storin water pollution prevention team that will assist in implementation of the SWPPP during construction.
Description of the existing site conditions including existing land use for the site(i.e.,wooded areas,open grassed areas,
pavement,buildings,etc.),soil types.at the site,as well as the location of surface waters which are located on or next to the site
(wetlands,streams,rivers,lakes,ponds,etc.);
Identification of the body of water(s)which will receive runoff from the construction site,including the ultimate body of water that
receives the storm water;
Identification of drainage areas and potential storm water contaminants;
Description of storm water management controls and various Best Management Practices(BMPs)necessary to reduce erosion,
sediment and pollutants in storm water discharge;
Description of the facility monitoring plan and how controls will be coordinated with construction activities;and a
Description of the implementation schedule and provisions for annendment of the plan,
2.0 SWPPP COORDINATOR AND DUTIES
The construction site SWPPP coordinator for the facility is Mr.Thomas Zalnoruiko(phone number:(978)685-5179 with TKZ,
LLC,(general contractor).Mr.Zahoruiko's duties include the following:
Implement the SWPPP plan with the aid of the SWPPP team;
Oversee maintenance practices identified as BMPs in the SWPPP;
Implement and oversee employee training;
Conduct or provide for inspection and monitoring activities;
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i Identify other potential pollutant sources and make sure they are added to the plan;
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Identify any deficiencies in the SWPPP and make sure they are corrected;and
Ensure that any changes in construction plans are addressed in the SWPPP.
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3.0 I+ACILITY DESCRIPTION
3.1 Site Location
The construction site is comprised of four building lots referenced as Lot 1A(Tax Map 107A Lot 294),Lot 1 B(Tax Map 107A
Lot 46),Lot 2A(Tax Map 107A Lot 293),and Lot 2B(Tax Map 107A Lot 28). The building lots are located at the southerly
intersection of Mill Road and Johnson Street in North Andover,MA. Presently three of the lots are undeveloped and one lot(Lot
213)has an existing single family house with an address of 865 Johnson Street,North Andover.
3.2 Construction Type
The project will consist of four(4)single family dwellings constructed with wooden frames. Individual septic systems have been
designed and approved for each lot. Driveways will be paved.
3.3 Existing Site Conditions
The present site consists of three undeveloped lots and one lot unproved by an existing single family house(#865 Johnson Street).
This property was subdivided on March 28,2017 into four lots,with three(3)of the lots being 1.3 acres and one(1)of the lots
being 1 acre. There are wetlands on the southerly portion of the properties and the wetland line location has been approved by the
North Andover Conservation Commission.
3.4 Site Plan
Site plans are attached showing property boundaries,the proposed location of the houses,paved driveway locations,underground
drainage infiltration units(Lot IA+Lot 111),septic system components(all lots),wetland resource areas(and associated
protective buffers),and proposed site grading. 2.2 Acres(of the full 4.9 Acre site)will be temporary disturbed during construction
activities. The majority of the site runoff will flow towards the wetland resources areas at the southerly portion of the site. The
existing Douse(865 Johnson Street)will be razed. Two of the lots(Lot IA+Lot IB)have proposed construction activity within
100 feet of a bordering vegetated wetland. Lot 2A and Lot 2B have all proposed work outside of the 100 foot wetland buffer zone.
Each lot has an approved septic System design. Lot IA and Lot 113 have a drainage infiltration field proposed to collect/recharge
roof runoff. Erosion control barriers,soil stockpile areas,and temporary construction rip-rap driveway entrances are shown for
each site.
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4.0 IDENTIFICATION OF POTENTIAL,STORM WATER CONTAMINANTS
The purpose of this section is to identify pollutants that could impact storm water during construction of the facility.
4.1 Significant Material Inventory
Pollutants that result from clearing,grading,excavation,and building materials and have the potential to be present in storm water
runoff are listed in Table 1.This table includes information regarding material type,chemical and physical description,and the
I
specific regulated storm water pollutants associated with each material.
4.2 Potential Areas for Storm Water Contamination
The following potential source areas of storm water contamination were identified and evaluated:
Cleared and graded areas;
Building construction;
Construction site entrance and asphalt driveway constriction;
All undisturbed areas.
Table 2 presents site specific information regarding storm water pollution potential from each of these
areas.
{
4.3 A Summary of Available Storm Water Samlrling Data
No storm water sampling data is available for the site.
4.4 Waterbody Receiving Stormwater Discharge
Based on the most current USGS map for this area, the stormwater runoff for this site drains to the wetland resource area at the
southerly portion of the properties and to a lesser extent to an unnamed brook further south of the wetland resource area.
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Table 1
Potential Construction Site Storm Water Pollutants
Trade Nantc Material Chemical/Physical.Description(1) . storm Water Pollutants(])
Pesticides (insect icides,fungicides, Various colored to colorless liquid, Chlorinated hydrocarbons,
herbicides,rodenticides) powder,pellets,or grains organophosphates,carbamates,
arsenic
Fertilizer Liquid or solid grains Nitrogen,phosphorous
Plaster White granules or powder Calcium sulphate,calcium
carbonate,sulfuric acid
Cleaning solvents Colorless, blue, or yellow-green Perchloroethylene,methylene
liquid chloride,trichloroethylene,
petroleum distillates
Asphalt Black solid Oil,petroleum distillates
Concrete White solid Limestone,sand
Glue,adhesives White or yellow liquid Polymers,epoxies
Paints Various colored liquid Metal oxides, stoddard solvent,
talc,calcium carbonate,arsenic
g Curing com ounds Cream white liquid Naphtha
[ Wastewater from construction Water Soil,oil&grease,solids
equipment washing
a
Wood preservatives Clear amber or dark brown liquid Stoddard solvent, petroleum
distillates, arsenic, copper,
chromium
Hydraulic oil/fluids Brown oily petroleum hydrocarbon Mineral oil
Gasoline Colorless,pale brown or pink Benzene,ethyl benzene,toluene,
petroleum hydrocarbon x lenc,MTBE
Diesel Fuel Clear,blue-green to yellow liquid Petroleum distillate, ail &
ease,naphthalene,x lens
!, Kerosene Pale yellow liquid petroleum Coal oil,petroleum distillates
hydrocarbon
Antifreeze/coolant Clear green/yellow liquid Ethylene glycol, propylene
glycol, heavy metals (copper,
lead,zinc
Erosion Solid Particles Soil,Sediment
(1) Data obtained from MSDSs when available
8
Table 2
Locations of Potential Sources of Storm Water Contamination
Drainage Potential Storm Water Potential Pollutants Potential Problem
Area Contamination Point
Builduig construction Plaster,cleaning solvents,asphalt,concrete, Accidental spills of paints and cleaning solvents,
paints,hydraulic oil,gasoline,antifreeze, leaking hydraulic oil and antifreeze from construction
soil erosion,fertilizer,pesticides,glue equipment,gasoline and diesel fuel spills while
adhesives,curing compounds,wood fueling construction equipment,erosion of exposed
preservatives,kerosene and stockpiled soils,and degradation of scrap dry wall
can potentially contaminate storm water.Asphalt
chemicals can be released to storm water if a rain
event occurs before curing is complete.
Construction driveways Asphalt,hydraulic oil,gasoline,antifreeze, Leaking hydraulic oil and antifreeze from clearing,
soil erosion,fertilizer,pesticides grading and asphalt application
construction equipment.Gasoline and diesel fuel
spills while fueling construction equipment,and
erosion of exposed and stockpiled soils.Asphalt
chemicals can be released to storm water if a rain
event occurs before curing is complete.Tracking of
soil into the road through the construction site
entrance.
Tree removal area Soil erosion,fertilizer,pesticides Ruts caused by logging equipment can fill with water,
preventing complete re-vegetation.
4 All undisturbed Areas None No storm water related issues with this completely
� ve elated area
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5.0 STORM WATER MANAGEMENT CONTROLS
The purpose of this section is to identify the types of temporary and permanent erosion and sediment controls that will be used
during construction activities.The controls will provide soil stabilization for disturbed areas and structural controls to divert runoff
and remove sediment. '1'liis section will also address control of other potential storm water pollutant sources such as construction
materials(paints,concrete dust,solvents,plaster),waste disposal,control of vehicle traffic,and sanitary waste disposal.
5.1 TtMporary and Permanent Erosion Control Practices
A list of best management procedures(BMPs)has been developed and tic locations of these BMPs are shown on the approved
Site Development plan. A number of the BNWs included in this plan have been developed to serve as post-construction storm
water controls.
Site Wide Control Measures
To prevent soil from washing into the undisturbed areas of the site,the following BMPs will be implemented:
Silt fencing(or construction snow fencing)will be placed along the perimeter of the entire site to be cleared and graded
before any clearing or grading takes place.
Combination of various forms of siltation control are proposed at various locations throughout the site based on proximity
to the wetland resource areas(See the"Erosion and Sediment Control"plan)
t Designated Soil stockpiling areas are shown
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j' A temporary construction entrance is shown at cacti proposed driveway entrance
5.2 Construction Practices to Minimize Storm Water Contamination
All waste materials will be collected and stored in a securely lidded metal dumpster. All trash and construction debris from the
site will be deposited in the dumpster.The dumpster will be emptied as needed offsite. No construction materials will be buried
on-site.All personnel will be instructed regarding the correct procedure for waste disposal. All sanitary waste will be collected
from the portable units a minimum of two times per week. Good housekeeping and spill control practices will be followed during
construction to minimize storm water contamination from petroleumproducts, fertilizers,paints,and concrete.Good housekeeping
practices for each drainage area are list below.
10
To prevent potential storm water contamination,due following BMPs will be implemented:
All vehicles on site will be monitored for leaks and receive regular preventive maintenance to reduce the chance of
leakage.
Petroleum products will be stored in tightly scaled containers which are clearly labeled.
Spill kits will be included with all fueling sources and maintenance activities.
Any asphalt substances used onsite will be applied according to the manufacturer's recommendation.
All spills will be cleaned up iurunediately upon discovery. Spills large enough to reach the storun system will be reported
to the National Response Center at 1-800-424-8802.
Concrete trucks will not be allowed to wash out or discharge surplus concrete or drum wash water on the site.
Any asphalt substances used onsite will be applied according to the manufacturer's recommendation.
Sanitary waste will be collected from portable units a minimum of two times a week to avoid overfilling,
A covered dumpster will be used for all waste materials.
All paint containers and curing compounds will be tightly sealed and stored when not required for use.Excess paint will
not be discharged to the storm system,but will be properly disposed according to the manufacturer's instructions.
Materials and equipment necessary for spill cleanup will be kept in die temporary material storage trailer onsite.
I Equipment will include,but not be limited to,brooms,dust pans,mops,rags,gloves,goggles,kitty litter,sand,saw dust,
gand plastic and metal trash containers.
Spray guns will be cleaned on a removable tarp.
E
5.3 Coordination of BKPs with Construction Activities
f
Structural BMPs will be coordinated with construction activities so die BMP is in place before construction begins. 'flue following
BMPs will be coordinated with construction activities:
The temporary perimeter controls (various forms of erosion control barriers) will be installed before any clearing and
grading begins.(See Erosion and Sediment Control Plan for forms of erosion control&locations)
Once construction activity ceases in an area, that area will be stabilized with permanent seed or other permanent
landscaping means.
The temporary perimeter controls will not be removed and shall be maintained until all construction activities at the site
are complete and soils have been stabilized.
11
6.0 MAINTENANCEANSPECTION PROCEDURES
6.1 Inspections
Visual inspections of all cleared and graded areas of the constriction site will be performed daily and within 12 hours of the end of
a storm with rainfall amounts greater than 0.5 inches, The Town of North Andover Planning Department may require weekly
inspections and reports to be generated based on past practices. The inspection will be conducted by the SWPPP coordinator
or his designated stormwater team members.The inspection will verify that the structural BMPs described in Section 5 of this
SWPPP are in good condition and are minimizing erosion.The inspection will also verify that the procedures used to prevent
storm water contamination from construction materials and petroleum products are effective.
The following inspection and maintenance practices will be used to maintain erosion and sediment controls:
i
Built up sediment will be removed from erosion control barriers when it has reached one third the barrier height,
Silt fences will be inspected for depth of sediment,for tears,to see if the fabric is securely attached to the fence posts,and
to see that the fence posts are firmly in the ground.
d
Temporary and permanent seeding will be inspected for bare spots,washouts,and healthy growth.
4
The maintenance inspection report will be made after each inspection.A copy of the report form to be completed by the SWPPP
coordinator is provided in Appendix A of this SWPPP.Completed forms will be maintained otn-site during die entire construction
project.following construction,the completed forms will be retained at the general contractors office,TKZ,LLC,for a nmininnun
of 1 year.
If construction activities or design modifications are made to the site plan which could impact storm water, this SWPPP will be
amended appropriately. The amended SWPPP will have a description of the new activities that contribute to the increased
pollutant loading and the planned source control activities.
6.2 Empi flee Training
Employees will be educated about the requirements of the SWPPP. This will include background on the components and goals of
the SWPPP and hands-on-training in erosion controls,spill prevention and response,good housekeeping,proper material handling,
disposal and control of waste,equipment fueling, and proper storage, washing, and inspection procedures. All employees will be
trained prior to their first day on the site.
12
6.3 Certification
Owner Certification
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted.
Based on my inquiry ofthe person or persons who manages the system,or those persons directly responsible for gathering the
information,the information submitted is,to the best ofmy knowledge and belief,true,accurate,and complete.I am aware that
there are significant penalties for submitting false information,including the possibility of fine and imprisonment for knowing
violations.
&L-"�
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Name
Title
-2-
Date
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13
Contractor Certification(TKZ,LLC-General Contractor)
I certify under penalty of law that I understand the terms and conditions of the general National Pollutant
Discharge Elimination System(NPDES)permit that authorizes the storm water discharges associated with
industrial activity fro e construction site identified as part of this certification.
#M�'e
-� A
Title
Date
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14
Appendix A
Inspection Logs
Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
To be completed every 7 days and within 24 hours of a rainfall event of 0.5 inches or more
Inspector: Date:
Inspector's Qualifications:
Days since last rainfall: Amount of last rainfall:
Stabilization Measures
Date Since Date of
Drainage Last Next Stabilized
Area Disturbance Disturbance (Yes/No) Stabilized With Condition
I' Stabilization required:
TO be performed by: On or before:
16
Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
Driveway Entrances :
Does Much Sediment is the Gravel Clean or is it
Get Tracked on to pilled with Sedunent?
Road?
Maintenance required for driveway entrance(s):
To be performed by: On or Before:
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Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
Perimeter Structural Controls:
Date:
Silt Fence
Drainage Area Has Silt Reached is Fence Properly is There Evidence of
Perimeter 1/3 of Fence Height? Secured?.. Washout.or.Over-
topping?
o Maintenance required for silt fence:
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To be performed by: On or before:
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Storm Water Pollution Prevention Plan
Inspection and Maintenance Report Form
Changes required to the pollution prevention plan:
Reasons for changes:
I certify under penalty of law that this document and all attachments were prepared truder my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted.
Based on my inquiry of the person or persons who manage the system,or those persons directly responsible for gathering the
information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete.I am aware that
there are signification penalties for submitting false information,including the possibility of fine and imprisonment for knowing
violations.
Signature: Date:
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3
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Town of North Andover, MA November 16, 2017
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NS8.36'3YW 5.THLRE ARC N0—IANCES GRANTED ON M1S SITE.
146.79' nil B'21',O"W r G.PLAN INTSNT,
k"r' ✓.--.':f 9.54'_ Aa 0 W—t25.35' .N19'D7'4y'W A,7A-_ 1— a'W Nt4'3R'4'W— ,RS.aN' - - R7 A' _ Wy CXI^SANG LOT 1 I.ID BCCDUC LOT nA&12 WI,N A POTIONOF LOT 1 bCING
C It YU TO LOT.'B.C 15TNG LOT rS TO RLCOMC LDT 7A d:D W ri A
A'NZ
VON OF LOT 7D BONO CONVE+ED FROM LOT I.
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- LOT 1 A �,rA
,1 N007 V r ARCA=A3.S50 S.F. n%t APPROVAL UNDER THE SUBOIMSION cONTNDL
@�C• =1.OD00 AC. - tm LAW NOT FCOUIFCD
In.SCGSTRY useF CBAe34,B37 S.F. O ur1
a34,a NDRTN ANDO1rR PLANN;NG BOARD
o _
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TL 46 4% . " /ICAi(TItct
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N�o00o Now cw FouM[RLr ry"'.c ?' ���. /`� LOT 1
(2.D9 ACJ 1 �,
W.FD. WOCO(RAMC DWELLING f r �'
C.N.O,P..D. [S:E%rvORM p15TR1tT R.CU;n?t'OF 0£fD5 1.. "I ^�_ THE PLnNN=kG BOARD'5 ENDOPS[IMEN:OF THC PLAN
TF TOTAL FFOV tAGC '1 �L S"TI-Tt om AS NOT REWIRING APPROVAL UNDCR THE SUBDIVISION
C3A COn1wU0G BUILDABLE AREA ,. TM Opp�n v+� _11 CONTROL EAW IS NOT A DETERMSNARON AS TO
s_F. ;BOARS 1CCT 'f i TL Zp F4 ffi:� �aa CONFORMAkCE WTH THE 701 OF NORTH ANOOVER
AL ACFLS i I �[ Sr,>t ` ?OWNC BYLAW AND RECULATIDNs_
wF WJOD rRAkC �,C LOT 7� D 1pr �✓p yp W a
ANY TQWNYMAA r/` LOT 1
(2.4a Ac.) �G,I;f �"'1� Bw:.DINGS -
.L YOwN Lc fF FAr P"+, TO Bf ARLA-53,G5T S.F. \ F
F { C ,� REMOVED --Sa84 AC.
I ?a eft^.`✓ CBA�4I.374 SF.
I s ,y
a I '£aSB. QfyD1.=,,, �r m100X "THIS PLAN CONFORMS TO THE RUL7i AND
J, �O'.. F+�' a,-h REGLLATiONS OF THE R(GSTRY OF DEED,-
sa 0 T 2A ` °Rao �4
vt. I AREA=37,192 S.F. ry :j
CU-50.172 S.F, 1 .^•-�,Tl"y, ti - j1`I: .T3 wme
s1007[ w S f 10l F !'..�1E'PYIIJ'1'ia, STn NSKI.R.L-S DATE
1 yp M '�
- - _` LOT 28 V�`=._. Lie o"� �`: � .I,��,
ARGR57.3W S.T.ACL
:
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s7E7i'71. �'Ory: ,� =Wyo•T', / y% �m, `" y�S
RF PLAN OF LAND
N 1N
k, IT �,-e,w . . r NORTH ANDO VE9 MASSACHUSE=
P?MPA=MR
CAROLS R PWCA
15 y.^.7+JJ. ' `.._ saa J011HJA]N 3l7=T
"e sss's3.2s'e NORTH AMIOVSK ttASSACH![SA77L'ata+5
L SA,lfi 36'E
17.43' Sr 1•-40' IIINIII
MERNMACK ENGINEERING SERVICES
06 PARK STR8i7
At==t Atl=CXEM= 02VIO
PWNL` (DJB)473-MM FAX:")475-14AB
PYAM-AW&EYCIAOLCCY
LOT 1 A + LOT =1 B — SITE PLAN
D:
RIP—RAP C0NSTRUOT -J3
f.
LIMIT' . '-, WORK LINE .
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QI L STOCK -I LE AREA
` / ' DgANACE , :TRU jTURE;-- R-
[, WLas4S.50 55
i
AREA
�.wgr<ew ron _ s � ., •, '. z na++ a a;Rv �x a
GtICC 4 SAAMMfD thF URATdR 2Lt BER DETAIL \ .•. `- „__e x c +c+�-aca -,ea .x a=
WETLAND
,�_ ''' t // e t` ram ` : i cc..-.•er. fo n.wG e -si*"
t t AREA
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cecm. - ' '"' _ r �+:++.au`aru awcs+t'�'tc ro�+c r.•.,rztuu+r, `.0 a,,`..F�n
€- -
gM�1''sy r+oAtl.v3.4�:mutt �g�• f - (k LOT I
t
74,41
ee t
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a
ROOF DRAIN tlVf7t
TRtTOR F;nD END S€GT;•CW
MN
t 't,. y` r•`t , ! a%� - f'i` i � 7' . tm 1rcl7om r PcRr OFT ap
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' f ' PLAN OF, LAND
"5,--� ff
NORTH.ANDOVER M4.
y
LOTS Ili & IB AM,i ROAD
3=
t
AaLL I Ro s
_ ART
HIIR RESCA
JUT-%= 7-M-17
TOTAL DISTURBANCE �FOTAL DTURBAN 3 `• ICAM1 '
I LOT 1B 29,625 S.F.f0.7 ACt "m cx MvGLYsmwvc s�xV&
LOT 1A 29,625 S.F.f0.5 ACt �-=' i'° "
i
(mil<n-ss�s rcc. «s-l"d
LOT 2A — SITE PLAN
LEGEND:
= RP—RAP CONSTRUCTION ENTRANCE
LOCUS MAP t ; _
I+07S
= STAKED SILT
WETLAN = 12" DIAMETER "
�a
— SOIL STOCKPILE # -E
�``� ,. r .pia `�•"� � .; �..LOT ZA
LOT
i� \\� y f �L 'v • xaC.S aC� ,is3+tS +'Ce.t K". ^S�`s.�ff a+T'Ya�>�#"K
-._ a' +4 Ki GCS t +.e+hn•-.n:v.+i.F+4'.3 T+':"Y,a
t.
- t+ - .#� J ur.-a-ra+�•+a tt+sue c.t
f Y � +
TOTAL DISTURBANCE e PL" OF
SUBSURFACE SEWAGE I)MOSAL SYS'T"
Owitku PLAN LOT 2A 19,050 S.F.f 0.44 ACf _. NORTH ANDO MASS.
Aux
n
CAROa R. RE504
A
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dN Jt R L i ff r 3 0
xcrs.of
LOT 2B - SITE PLAN LEGEND:
LOCUS MAP = RIP-RAP CONSTRUCTION ENTRANCE
= LIMIT OF WORK LINE moms
= STAKED SILT FENCE
12" DIAMETER MULCH SOCK
_STOCKPILE AREA
4i
1.7
Al
kDESIGN CALCULATIONS
N
e
LOT 28%.
PLAN
_41
TOTAL DISTURBANCE PL" OF
SVRSTWACE SEWAGE=5POSU SYSTEM
.
LOT 2B 23,980 S.F./O.55 AC±
NORM MZIOM, MASS
CAROLE R. RESCA
OVERALL PLAN
ofelo
The following guidelines are inherent within the Erosion and Sediment Control Plan as
applicable:
a) Minimize total area of disturbance and minimize unnecessary clearing and grading from
all construction sites. Clearing and grading shall only be performed within areas needed
to build the project, including structures, utilities, roads, recreational amenities, post-
construction stormwater management facilities, and related infrastructure.
b) Keep stormwater runoff velocities low. The removal of existing vegetative cover during
development and the resulting increase in impermeable surface area after development
will increase both the volume and velocity of runoff. These increases must be taken into
account when providing for erosion control.
c) Protect disturbed areas from stormwater runoff. Best management practices can be
utilized to prevent water from entering and running over the disturbed area. Diversions
and other control practices intercept runoff from higher watershed areas, store or divert it
away from vulnerable areas, and direct it toward stabilized outlets.
d) Placement of structural practices in floodplains must be avoided to the degree
practicable.
e) Site plans should ensure that existing vegetation is preserved where possible and that
disturbed portions of the site are stabilized. Use of impervious surfaces for stabilization
should be avoided.
f) Prior to any land disturbance activities commencing on the site, the developer shall
physically mark limits of no land disturbance on the site with tape, signs, or orange
construction fence, so that workers can see the areas to be protected. The physical
markers shall be inspected daily.
g) Appropriate erosion and sediment control measures shall be installed prior to
disturbance and maintained in accordance with the manufacturer"s specifications and
good engineering practices to ensure they perform as intended. Sediment in runoff water
shall be trapped and retained within the project area. Wetland areas and surface waters
g shall be protected from sediment.
h) Erosion and Sediment Control measures used shall be chosen based on the goal of
minimizing site disturbance from installation of such measures.
i) Sediment trapping and settling devices shall be employed to trap and/or retain
suspended sediments and allow time for them to settle out in cases where perimeter
sediment controls (e.g., silt fence and hay bales) are deemed to be ineffective in trapping
suspended sediments on-site. Sediment basins shall also be used to minimize peak rate
l of runoff in accordance with the Massachusetts Stormwater Standards.
j) BMPs to be used for infiltration after construction shall not be used as BMPs during
construction unless otherwise approved by the Board. Many infiltration technologies are
a not designed to handle the high concentrations of sediments typically found in
construction runoff, and thus must be protected from construction related sediment
loadings.
k) Sediment shall be removed once the volume reaches % to % the height of a hay bale.
Sediment shall be removed from silt fence prior to reaching the load-bearing capacity of
the silt fence which may be lower than % to '/ the height.
1) Sediment from sediment traps or sedimentation ponds shall be removed when it reaches
a depth of six inches.
m) On and off-site material storage areas, including construction and waste materials, shall
be properly protected and managed.
n) Erosion and sediment controls shall be coordinated with the sequence of grading,
development and construction operations; control measures shall be in effect prior to
commencement of each increment/phase of the process and control measures from prior
phases shall continue to be maintained until the site is stabilized;
o) Land disturbance activities exceeding two acres in size shall not be disturbed without a
sequencing plan that requires stormwater controls to be installed and the soil stabilized,
as disturbance beyond the two acres continues. Mass clearings and grading of the entire
site should be avoided. Prior to any construction on the site, applicant shall submit a
construction phasing plan to the Planning Department for review and approval.
p) Soil and other materials shall not be stockpiled or redistributed, either temporarily or
permanently, in locations or in such a manner as would cause suffocation of tree root
systems;
q) Topsoil shall be stripped from disturbed areas, stockpiled in approved areas and
stabilized with temporary vegetative cover if it is to be left for more than thirty (30)
calendar days; perimeter sediment controls shall be installed around each area of
stockpiled topsoil.
r) Soil stockpiles must be stabilized or covered at the end of each workday. Stockpile side
slopes shall not be greater than 2:1. All stockpiles shall be surrounded by sediment
controls.
s) Projects must comply with applicable Federal, State and local laws and regulations
including waste disposal, sanitary sewer or septic system regulations, and air quality
requirements, including dust and debris control.
i
t) A tracking pad shall be constructed at all entrance/exist points of the site to reduce the
amount of soil carried onto roadways and off the site.
u) Dust shall be controlled at the site.
v) On the cut side of roads, ditches shall be stabilized immediately with rock rip-rap or
other non-erodible liners, or where appropriate, vegetative measures such as sod.
l
E
k
w) All graded areas beyond the Street Right-of-Way shall be covered with
four (4") inches of topsoil and planted with a native species of vegetative
cover, sufficient to prevent erosion;
x) Temporary seeding, mulching or other suitable stabilization methods
shall be used to protect exposed soil areas during construction; as
feasible, natural vegetation shall be retained and protected; during the
months of October through March, when seeding may be impractical, an
anchored mulch or sod shall be applied as approved by the Planning Board
or by its Designee; diversions and/or prepared outlets may be required in
critical areas during construction.
y) Permanent seeding shall be undertaken in the spring from March through
May, and in late summer and early fall from August to October 15. During
the peak summer months and in the fall after October 15, when seeding is
found to be impractical, appropriate temporary mulch shall be applied.
Permanent seeding may be undertaken during the summer if plans provide
for adequate mulching and watering.
z) Permanent vegetation and erosion control structures, as necessary, shall be
installed preferably immediately after construction is completed but
otherwise no later than the first full spring season immediately thereafter;
they shall comply with the erosion and sedimentation vegetative practices
recommended by the U.S. Soil Conservation Service;
aa)Native species shall be used for re-vegetation;
bb)Slopes (greater than 3:1) shall be protected from erosion by limiting
clearing of these areas in the first place or, where grading is unavoidable,
by providing special techniques to prevent upland runoff from flowing down
a steep slope and through immediate stabilization to prevent gullying.
Offsite runoff shall be diverted from highly erodible soils and steep slopes to
stable areas.
cc) Interim and permanent stabilization measures shall be instituted on a
disturbed area immediately after construction activity has temporarily or
permanently ceased on that portion of the site. Two methods are available
for stabilizing disturbed areas: mechanical (or structural) methods and
vegetative methods. In some cases, both are combined in order to retard
erosion.
dd)Temporary sediment trapping devices must not be removed until permanent
stabilization is established in all contributory drainage areas. Similarly,
stabilization shall be established prior to converting sediment traps/basins
into permanent (post-construction) stormwater management facilities. All
facilities used as temporary measures shall be cleaned prior to being put
into final operation.
I
i
I
i
ee}Ali temporary erosion and sediment control measures shall be removed
after final site stabilization. Disturbed soil areas resulting from the removal
of temporary measures shall be permanently stabilized within 30 days of
removal.
4