HomeMy WebLinkAboutSigned O&M Plan Standard9: Operation and Maintenance Ilan
A long-term opet-ation and maintenance plan shall be developed and implemented to ensure that
stot*mwater management systems function as designed.
S'1'011MWXI'EIZ OPERATION AND MAINTENANCE PLAN-11/27/2023
Pi-elitil diary 5toriiiw;Aler llei-atioii and Maintenance Budget
Estimated yearly costs=$2,000 annually
-Covers cleaning and maintenance of porous pavement, roof leaders, outlet control structures, and grass swale.
Corporate Certification
(Home Grown Lacrosse, LLC---Owner/Developer)
I certify under penalty of law that the Owner/Developer and its associated entities established for purposes of
ownership,operations and maintenance of the leased area located at 492 Sutton Street, North Andover,is
solely and legally responsible for implementing the Storniwater Operation and Maintenance Plan, The
Owner/Developer has reviewed said plan and fully accepts all responsibilities inherent therein; including
inspection,maintenance,repair,modification and/or replacement of the recharge systems as may be required
to maintain intended recharge functions,The Owner/Developer shall file yearly maintenance reports including
annual certification that the plan has been fully implemented as outline herein and shall provide copies of
inspection reports and receipts to the'rown of North Andover if requested. Furthermore, the
Owner/Developer understands various stormwater management systems have a certain life expectancy and
that replacement of system components will be required. The Owner/Developer accepts all financial
responsibilities associated with future replacements.
Name: (............
Title:
Date:
HGR Lacrosse
400 Osgood Street
North Andover,MA 01845
(978) 208-2300
Bryan@hgrlacrossc.corn
Porous Pavement
Frequent cleaning and maintenance are required for the pavement surface to prevent clogging as the surface
acts as the pretreatment to the stone reservoir below.To keel)the surface clean, frequent vacuum sweeping,
annually at minimum, along with periodic jet wasliitig of asphalt and concrete pavement is required.No
winter sanding shall be conducted on the porous Surface. For proper maintenance:
- Minimize salt,use during wintermonths,
- No winter sanding,
- Keep landscaped areas nearby well maintained to prevent soil being transported onto the pavement,
- Clem the surface minimal annually with vacuum sweep i tig machi lies,
- Inspect surface and inspection ports after storm events to insure proper drainage,
-Never reseal or repave with impermeable material,
- Inspect annually for deterioration or spalling,
- Monitor to ensure that the paving surface drains properly after storms—as needed
- Clean surface using power washer to dislodge trapped particles and vacuum sweep area—as needed
- Inspect surface annually for deterioration
- Assess exfiltration capability at least once a year,When exfiltration capacity is found to decline,
implement measures from the Operation and Maintenance plan to restore original exfiltration capacity.
Inspection & Maintenance Report
Attach additional pages as required to fully document conditions and maintenance performed.
Date Inspector Condition Maintenance Performed*
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*Receipts must be attached to the report showing payment for maintenance performed.
Grass Swale
Inspect semi-annually the first year, and at least once a year thereafter. Inspect the grass for growth and the
side slopes for signs of erosion and formation of rills and gullies.Plantan alternative grass species if the original
grass cover is not successfully established. If grass growth is impaired by winter road salt or other deicer use,re-
establish the grass in the spring.'frash/Debris Removal:Remove accumulated trash and debris prior to inowing.
Sediment Removal: Check on a yearly basis and clean as needed.Use hand methods(i.e.,a person with a shovel)
when cleaning to minimize disturbance to vegetation and underlying soils.
Annual Inspection & Maintenance Report
Attach additional pages as required to fully document conditions and maintenance performed.
Date Inspector Condition Maintenance Performed*
. ...........
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*Receipts must be attached to report showing payment for maintenance performed
Outlet Control Structure
Inspect or clean outlet control structures four times per year at the end of the foliage and snow removal.seasons.
Sediments must also be removed when the depth of deposits is greater than or equal to one half the depth from the
bottom of the lowest pipe in the basin. Vacuum trucks are to be used to remove trapped sediment and supernatant.
Although catch basin debris often contains concentrations of oil and hazardous materials such as petroleum
hydrocarbons and metals, MassDEP classifies them as solid waste. Any contaminated materials must be evaluated
in accordance with the Hazardous Waste Regulations,310 CMR 30.00, and handle(] as hazardous waste. MassDEP
regulations prohibit landfills from accepting materials that contain free draining liquids,
Annual Inspection &Maintenance Report
Attach additional pages as required to fully document conditions and maintenance performed.
Date Inspector Condition Maintenance Pet-fornted*
----------
*Receipts must be attached to report showing payment for maintenance performed.
Roof Drain Leaders
Routine roof inspections shall be performed two times per year. The roof shall be kept clean and free of debris,and
the roof drainage system shall be kept clear. Gutter and downspouts shall be cleaned at least twice per year,or inor
frequently as necessary.
Annual Inspection &Maintenance Report
Attach additional pages as required to fully document conditions and maintenance performed.
Date Inspector Condition Maintenance Performed*
*Receipts must be attached to report showing payment for maintenance performed.
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