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Home My WebLink About2021-03-16 Stormwater Operation & Maintenance Plan 6/24/21 STORMWATER OPERATION AND MAINTENANCE PLAN 419 & 435 Andover Street North Andover, MA RESPONSIBLE PARTY DURING CONSTRUCTION; CroNspoint Associates 188 Needham Street, Suite 255 Newton,MA 02464 RESPONSIBLE PARTY POST CONSTRUCTION: Crosspoint Associates 188 Needham Street, Suite 255 Newton,MA 02464 Construction Phase During the construction phase, all erosion control devices and measures shall be maintained in accordance with the final record plans, local/state approvals and conditions,the EPA Construction General Permit and the Stormwater Pollution Prevention Plan(SWPPP) if applicable. Additionally,the maintenance of all erosion/siltation control measures during construction shall be the responsibility of the general contractor. Contact information of the OWNER and CONTRACTOR shall be listed in the SWPPP for this site. The SWPPP also includes information regarding construction period allowable and illicit discharges,housekeeping and emergency response procedures. Upon proper notice to the property owner,the Town/City or its authorized designee shall be allowed to enter the property at a reasonable time and in a reasonable manner for the proposes of inspection. j Post Development Controls Once construction is completed,the post development stormwater controls are to be operated and maintained in compliance with the following permanent procedures (note that the continued implementation of these procedures shall be the responsibility of the Owner or its assignee): 1. Parking lots and on-site driveways: Sweep at least two(2)times per year and on a more frequent basis depending on sanding operations. All resulting sweepings shall be collected and properly disposed of off-site in accordance with MADEP and other applicable requirements. Approximate Maintenance Budget: $1,000/year i 2. Catch basins,yard drains,trench drains,manholes,deep-sump manhole, and piping: Inspect two (2)times per year and at the end of foliage and snow-removal seasons, These features shall be cleaned once per year or whenever the depth of deposits is greater than or equal to one half the depth from the bottom of the invert of the lowest pipe in the catch basin or underground system. Accumulated sediment and hydrocarbons present must be removed and properly disposed of off-site in accordance with MADEP and other applicable requirements. Approximate Maintenance Budget: $250/year per structure. 3. Water Quality Unit(Proprietary Separator): Follow manufacturer's recommendations (attached). Approximate Maintenance Budget: $500/year per unit. 4. Underground Infiltration Basins: Preventative maintenance after every major storm event during the first three(3)months of operation and at least twice per year thereafter. Inspect structure and pretreatment BMP to ensure proper operation after every inajor storm event(generally equal or greater to 3.0 inches in 24 hours)for the first tlur'ce months. The outlet of the basin,if any,shall be inspected for erosion and sedimentation, and rip-rap shall be promptly repaired in the case of erosion. Sediment collecting in the bottom of the basin shall be inspected twice annually, and removal shall commence any time the sediment reaches a depth of six inches anywhere in the basin. Any sediment removed shall be disposed of in accordance with MADEP and other applicable requirements. Approximate Maintenance Budget: Cleaning-$2,000/year, Inspection-$500/year 5. Crushed Stone Level Spreader Infiltration System: Preventative maintenance after every major storm event during the first three(3)months of operation and at least twice per year thereafter. Inspect structure to ensure proper operation after every major storm event (generally equal or greater to 3.0 inches in 24 hours) for the first three months. Sediment collecting in the header pipe shall be inspected twice annually, and removal shall commence any time the sediment reaches a depth of six inches. Any sediment removed shall be disposed of in accordance with MADEP and other applicable requirements. Approximate Maintenance Budget: Cleaning-$500/year,Inspection $200/year STORMWATER MANAGEMENT SYSTEM POST-CONSTRUCTION INSPECTION REPORT LOCATION: 419 & 435 Andover•Street North Andover,Massachusetts RESPONSIBLE PARTY: Crosspoint Associates 188 Needhant Street, Suite 255 Newton,MA 0.2464 NAME OF INSPECTOR: INSPECTION DATE: Note Condition of the following (sediment depth,debris, standing water, damage, etc,): Catch Basins: Discharge Points/ Flared End Sections / Rip Rap / Level Spreader: Infiltration Basins: Manholes / Deep-sump Manhole: Water Quality Units: Other: Note Recommended Actions to be taken on the Following (sediment and/or debris removal, repairs, etc. Catch Basins: Discharge Points / Flared End Sections J Rip Rap / Level Spreader: Infiltration Basins: Water Quality Units: Manholes / Deep-sump Manhole: Other: Comments: STORMWA TER INSPECTIONAND MAINTENANCE LOG FORM 419 & 435 Andover Street—North A►tdoiJe►; MA Stormwater Management Responsible Patty Date Maintenance Activity Practice Performed LONG-TERM POLLUTION PREVENTION PLAN 419 & 435 Ando ver Street North Andover,MA RESPONSIBLE PARTY DURING CONSTRUCTION: Crosspoint Associates 188 Needham Street, Suite 255 Neivton,MA 02464 RESPONSIBLE PARTY POST CONSTRUCTION: Crosspoint Associates 188 Needltarn Street, Suite 255 Newton,MA 02464 For this site,the Long-Terre Pollution Prevention Plan will consist of the following; • The property owner shall be responsible for•"good housekeeping" including proper• periodic maintenance of building and pavement areas, curbing, landscaping, etc. • Proper storage and removal of solid waste (durnpsters). • Sweeping of driveways a minimum of twice per year with a commercial cleaning unit. Any sediment removed shall be disposed of in accordance with applicable local and state requirements. • Regular inspections and maintenance of Stormwater Management System as noted in the "O&M Plan". • Snow removal shall be the responsibility of the property owner. Snow shall not be plowed, dumped and/or placed in forebays, infiltration basins or similar stormwater controls. OPERATON AND MAINTENANCE TRAINING PROGRAM The Owner will coordinate an annual in-house training session to discuss the Operations and Maintenance Plan, the Long-Term Pollution Prevention Plan, and the Spill Prevention Plan and response procedures. Annual training will include the following: Discuss the Operations and Maintenance Plan • Explain the general operations of the stormwater management system and its BMPs • Identify potential sources of stormwater pollution and measures/methods of reducing or eliminating that pollution • Emphasize good housekeeping measures Discuss the Spill Prevention and Response Procedures • Explain the process in the event of a spill • Identify potential sources of spills and procedures for cleanup and/or reporting and notification • Trash and other debris shall be removed from all areas of the site at least twice yearly. • Reseed any bare areas as soon as they occur. Erosion control measures shall be installed in these areas to prevent deposits of sediment from entering the drainage system. • If necessary, stockpiled snow will be removed from the Site and disposed of at an off-site location in accordance with all local, state and federal regulations. • Recycle materials whenever possible. Provide separate containers for recycle materials. Recycling products will be removed by a certified waste hauler. SPILL PREVENTION AND RESPONSE PROCEDURES (POST CONSTRUCTION) In order to prevent or minimize the potential for a spill of Hazardous Substances or Oil or come into contact with stormwater,the following steps will be implemented: 1. All Hazardous Substances or Oil(such as pesticides,petroleum products,fertilizers, detergents,acids,paints, paint solvents, cleaning solvents,etc.)will be stored in a secure location,with their lids on, preferably under cover,when not in use. 2. The minimum practical quantity of all such materials will be kept on site. 3. A spill control and containment kit(containing,for example,absorbent materials,acid neutralizing powder, brooms, dust pans,mops,rags,gloves,goggles,plastic and metal trash containers, etc.)will be provided on site. 4. Manufacturer's recommended methods for spill cleanup will be clearly posted and site personnel will be trained regarding these procedures and the location of the information and cleanup supplies. S. It is the OWNER'S responsibility to ensure that all Hazardous Waste on site is disposed of properly by a licensed hazardous material disposal company. The OWNER is responsible for not exceeding Hazardous Waste storage requirements mandated by the EPA or state and local authorities. In the event of a spill of Hazardous Substances or Oil,the following procedures should be followed: I. All measures should be taken to contain and abate the spill and to prevent the discharge of the Hazardous Substance or Oil to stormwater or off-site. (The spill area should be kept well ventilated and personnel should wear appropriate protective clothing to prevent injury from contact with the Hazardous Substances.) 2. For spills of less than five(5)gallons of material,proceed with source control and containment, clean-up with absorbent materials or other applicable means unless an imminent hazard or other circumstances dictate that the spill should be treated by a professional emergency response contractor. 3. For spills greater than five(5)gallons of material immediately contact the MADEP at the toll-free 24-hour statewide emergency number: 1-888-304-1133,the local fire department(9- 1-1) and an approved emergency response contractor.Provide information on the type of material spilled,the location of the spill,the quantity spilled, and the time of the spill to the emergency response contractor or coordinator, and proceed with prevention,containment and/or clean-up if so desired. (Use the form provided,or similar). 4. If there is a Reportable Quantity(RQ)release, then the National Response Center should be notified immediately at(800)424-8802; within 14 days a report should be submitted to the EPA regional office describing the release,the date and circumstances of the release and the steps taken to prevent another release. This Pollution Prevention Plan should be updated to reflect any such steps or actions taken and measures to prevent the same from reoccurring. SPILL PREVENTION CONTROL AND COUNTERMEASURE FORM 419 & 435 Andover Street North Andover,MA Where a release containing a hazardous substance occurs,the following steps shall be taken by the facility manager and/or supervisor: 1. Immediately notify The North Andover Fire Department(at 9-1-1) 2. All measures must be taken to contain and abate the spill and to prevent the discharge of the pollutant(s)to off-site locations,receiving waters,wetlands and/or resource areas. 3. Notify the North Andover Health Department at(978)688-9S40 and the North Andover Conservation Commission at(978)688-9530. 4. Provide documentation from licensed contractor showing disposal and cleanup procedures were completed as well as details on chemicals that were spilled to the Town of North Andover Health Department and Conservation Commission. Date of spill: Time: Reported By: Weather Conditions: Material Spilled Location of Approximate Agency(s)Notified Date of Spill Quantity of Spill Notification in alloIls Cause of Spill: Measures Taken to Clean up Spill: Type of equipment: _ Make: Size: License or SIN: Location and Method of Disposal Procedures,method, and precautions instituted to prevent a similar occurrence from recurring: Additional Contact Numbers: • DEPARTMENT OF ENVIRONMENTAL PROTECTION (DEP)EMERGENCY PHONE: 1-888-304-1133 • NATIONAL RESPONSE CENTER PHONE: (800) 424-8802 • U.S.ENVIRONMENTAL PROTECTION AGENCYPHONE: (888) 372-7341