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HomeMy WebLinkAboutNCS000405_12_Gibsonville PPGH Report 2019 (O&M Plan)_20211022TOWN OF GIBSONVILLE Facilities Operation and Maintenance Plan for Reducing Stormwater Pollution Runoff from Municipal Operations Prepared by: alley, williams, carmen & king, inc. engineers and architects 740 chapel hill road - post office box 1179 burlington, north carolina 27216-1179 Revised November, 2019 Table of Contents 1. Introduction.............................................................................................................. 1 2. Goals and Objectives............................................................................................... 1 3. Responsible Parties................................................................................................. 1 4. Facility Inspections...................................................................................................2 5. Site Assessments..................................................................................................... 2 5.1 Town Hall & Police Department........................................................................ 3 5.2 Library...............................................................................................................3 5.3 Fire Department................................................................................................3 5.4 Community Center............................................................................................ 3 5.5 Public Works Facilities...................................................................................... 4 5.6 Senior Center.................................................................................................... 5 5.7 Parks & Recreation Facilities............................................................................ 5 5.8 Water and Wastewater Facilities....................................................................... 5 6. Facility Specific Best Management Practices........................................................... 5 6.1 Fire Department................................................................................................5 6.2 Community Center............................................................................................ 5 6.3 New Public Works Facility................................................................................. 6 6.4 Senior Center.................................................................................................... 6 7. General Best Management Practices....................................................................... 6 7.1 Vehicle and equipment storage......................................................................... 6 7.2 Street Sweeping................................................................................................ 6 7.3 Grounds Maintenance....................................................................................... 6 7.4 Waste Disposal................................................................................................. 6 7.5 Outdoor Material Storage.................................................................................. 7 7.6 Good Housekeeping Practices..........................................................................7 8. Annual Inspection Program......................................................................................7 9. Employee Training................................................................................................... 7 10. Record Keeping....................................................................................................... 8 Figures Facilities Operation and Maintenance Plan Town of Gibsonville INTRODUCTION This Operation and Maintenance (O&M) Plan has been developed with the goal of preventing or reducing pollutant runoff from Town of Gibsonville owned facilities and operations. It has been developed as required under Section G of the State of North Carolina's Pollutant Discharge Elimination System Stormwater Discharge Permit No. NCS000405, issued to the Town effective July 1, 2005. This O&M Plan describes the Town owned facilities and their operations, identifies potential sources of storm water pollution at the facilities, recommends appropriate best management practices (BMPs) or pollution control measures to reduce the potential of discharge of pollutants in storm water runoff, and provides for periodic review of this O&M Plan. 2. GOALS AND OBJECTIVES The primary goal of the storm water permit program is to improve the quality of surface waters by reducing the amount of pollutants potentially contained in the storm water runoff from Town owned facilities. Specifically, this Plan will be in place to reduce or eliminate the exposure of oil and grease, pesticides, herbicides, fertilizers, sediment, and other chemicals used by the Town, to stormwater. With this understanding, the Town has developed Best Management Practices (BMPs) to reduce or eliminate the stormwater exposure of pollutants from Town activities to the maximum extent practical. 3. RESPONSIBLE PARTIES The Operation and Maintenance Plan Coordinator for Town facilities is designated as the Public Works Director, currently Mr. Rob Elliot. Resaonsibilities: A. Maintains materials, inventories, and handling and storage practices. B. Inspection and maintenance of best management practices. C. Plans and schedules education -training programs D. Annual site inspections and assessments. E. Coordinates clean up of spills and releases. November, 2019 Page 1 of 8 Facilities Operation and Maintenance Plan Town of Gibsonville 4. FACILITY INSPECTIONS Each facility was inspected and evaluated with respect to their potential for generating polluted stormwater runoff. The Town owns and operates the following facilities: Name of Facility Address Date of Inspection Town Hall & Police Department 129 W. Main Street 11/7/19 Library 502 N Church Street 11/7/19 Fire Department 218 Piedmont Avenue 11/6/19 Community Center 314 Tenth Street 11/6/19 Public Works Facility 1236 Springwood Drive 11/6/19 Senior Center 400 Steele Street/Azalea Cir 11/7/19 Moricle Park 601 Piedmont Avenue 11/6/19 Murrell Park 315 Tenth Street 11/6/19 Water & Wastewater Facilities Water Tank 314 Tenth Street 11/6/19 Water Tank Joyner Street 11/6/19 Lift Station Scott Drive 11/6/19 Lift Station Broad Street 11/6/19 Pump Station Travis Creek 11/6/19 Lift Station Sullivan Court 11/6/19 5. SITE ASSESSMENTS A description of the operations and the inspection results for each facility are presented below. A determination of the potential for stormwater pollution for each of the facilities is also presented. November, 2019 Page 2 of 8 Facilities Operation and Maintenance Plan Town of Gibsonville 5.1 Town Hall & Police Department Both Town Hall and the Police Department are housed within the same building and share a common parking lot. All of the operations performed at these facilities are administrative in nature and are contained within the building. Other than Town vehicles, no material handling or storage practices occur outside of the building. The parking lots and drainage systems appeared to be in good condition. The potential for stormwater pollution from this site was determined to be minimal. 5.2 Library Similar to Town Hall, the operations at the Library are administrative in nature. No material storage or handling practices occur outside of the building. The parking lots and drainage systems appeared to be in good condition. The potential for stormwater pollution from this site was determined to be minimal. 5.3 Fire Department This facility houses administrative offices, the Town's fire apparatus and equipment, and firefighter accommodations. This facility is staffed 24 hours a day 7 days a week. Other than fueling, no equipment maintenance or repair is performed at this facility. Floor drains are located throughout the facility. These drains are open and drain into the sanitary sewer. A hazardous materials cabinet is located in the corner of one of the bays. The cabinet was in good condition with the doors closed and there was no sign of materials leaking from the cabinet. Two fuel tanks, one gas and one diesel, are located behind the Fire Station. The fuel tanks are double walled but are uncovered and have no secondary containment system or spill kits. The main facility poses a minimal potential for stormwater pollution but the fueling area gives this site a high potential for stormwater pollution. 5.4 Community Center The Town converted the old Public Works Facility into the Recreation Department in 2017. The old facility consists of a main shop building, two open garages, a fueling area, a waste oil storage tank, a container dumpster, and material / equipment stockpile areas. The community center is one building with a parking lot that has good drainage. Regular cleaning products are stored in a closet with no floor drain. Behind the facility there is a Stormwater dry detention basin. The Basin needs to be regraded and resown; however, there is not a stormwater pollution hazard. Adjacent to the community center is the Tenth Street Water tower, Murrell Recreational Park, and a railroad system on the far side. Due to the condition and nature of the site, there is minimal potential for stormwater pollution. November, 2019 Page 3 of 8 Facilities Operation and Maintenance Plan Town of Gibsonville 5.5 Public Works Facilities The Public Works Facility consists of a main building with offices and restrooms, two main shops, a parking lot, an outdoor fueling station with three gas or diesel pumps along with secondary containment structures, a large shed area that is open on all sides, a new salt storage area, two smaller enclosed sheds and a material stockpile area. The building consists of offices in the front and a shop area in the rear. All equipment and materials that have the potential to generate stormwater pollution are contained within the shop area of the building Main Shops -The floor drains in the main shops are run through an oil water separator and then to the sanitary sewer system. They had eye wash stations, and spill clean-up material readily available, would recommend boldly labeling the spill material. Used oil container was kept inside the shop, with no secondary containment unit, it was kept near one of the bay entrances, and would recommend moving away from the entrance to reduce the risk of rainwater washing oil outside of the bay area. All chemicals were stored inside and on shelves with the lids on. Small bays were built into the side of the second main shop, these small bays contain miscellaneous chemicals and paints, also miscellaneous maintenance parts. The chemical bay has a screen door and is able to be locked. Smaller Sheds- completely enclosed, filled with quickrete on a pallet, miscellaneous landscape maintenance material, road signs, cones, Christmas decorations, and minor equipment like a lawn mower. Make sure all miscellaneous buckets are cleaned out and there is no left over chemical/fertilizer in them, or completely close them and store them properly. Material Stockpile Area- Miscellaneous bricks, blocks and parts are located here, no obvious threats to stormwater pollution were observed here. Cont.-Different types of gravel are located on the north western side of the property, they are blocked in so they don't spread out and wash away. Salt Storage Building- New building in good condition, salt storage area is completely enclosed on three sides, and covered, there are plans to add a large sliding door to this facility to further ensure protection of water quality. Broom and shovel also available at this site. Storage area attached to the salt building- a few 55-gallon barrels stacked up, one obvious leak here. One large uncovered dumpster outside, unused trashcans are kept outside. Large Shed- Large equipment kept underneath the large shelter including dump trucks, spreaders, hay, trucks, a tractor, and other miscellaneous equipment. No major signs of leaking from any equipment. November, 2019 Page 4 of 8 Facilities Operation and Maintenance Plan Town of Gibsonville Outside Structures —There is a dry detention pond with gravel to assist with stormwater runoff control. There is a sediment basin that has not had the proper upkeep. It would be advised to properly maintain the sediment to improve erosion control efficiency. 5.6 Senior Center The Senior Center is located in the rear of the Steele St. Apartments. This facility consists of a main building, storage building, walking track, and parking lot. The parking lot and stormwater inlets are in good condition. A large amount of trash is piled behind the storage building. Because of the unknown contents of this trash there is a potential for solution. 5.7 Parks & Recreation Facilities The Town owns two parks, Moricle Park and Murrell Park. The Town also manages two parks, Northeast Park and Southwest Park, both owned by Guilford County. Other than landscaping and limited storage of materials little activity goes on at the parks that would have the potential for stormwater pollution. 5.8 Water and Wastewater Facilities The Town owns twelve water and wastewater facilities. A few of these facilities have been abandoned and are no longer in service. There is no material exposure at any of the facilities and other than the potential of a stream impact due to a pump station failure, there is minimal potential for stormwater pollution at any of these facilities. 6. FACILITY SPECIFIC BEST MANAGEMENT PRACTICES Stormwater management controls, or best management practices (BMPs), will be implemented over the course of the following year to reduce the potential of pollutants entering the stormwater discharged from Town owned facilities. The following lists the specific BMPs the Town will employ to minimize, to the maximum extent practical, the possibility of pollutant exposure to stormwater for the areas identified above. 6.1 Fire Department • Inspect vehicles periodically for leaks and install catch pans under vehicles when leaks are found. Cover and install a secondary containment system for the fuel tanks and fueling area. • Install spill kits for the fueling area. 6.2 Community Center • Regrade the dry detention pond November, 2019 Page 5 of 8 Facilities Operation and Maintenance Plan Town of Gibsonville 6.3 New Public Works Facility • Require all vehicle and equipment washing to be performed at the old public works facility in the main shop building where wash water will be routed through the oil/water separator. • Install silt fence near the stream at the bottom of the hill at the material stockpile area to prevent any erosion from entering the stream. • Perform proper maintenance and upkeep on the sediment basin 6.4 Senior Center • Remove and properly dispose of trash behind storage building. 7. GENERAL BEST MANAGEMENT PRACTICES The following general BMPs will be implemented to minimize the potential for stormwater contamination from everyday operations at Town owned facilities. 7.1 Vehicle and equipment storage Remove and dispose of all unused vehicles and equipment, if possible. If vehicles and equipment are to be stored outside for longer than a month, drain fluids. When practical, cover equipment and divert storm water around the equipment. 7.2 Street Sweeping Increase Town -wide street sweeping to cover all curb and gutter within the Town every 2 months. In addition, sweep all the paved areas around the main building and fueling areas at the public works facility once a week. Dirt and debris collected during the sweeping will be disposed of at the landfill. 7.3 Grounds Maintenance • Use care when spreading fertilizer to prevent contact with the stormwater system. • Minimize use of pesticides/herbicides. Use weed eater instead of herbicides when possible. 7.4 Waste Disposal • All wastes (including solid waste, waste oil, empty drums) generated by the Town will be properly disposed of via outside contractors. • Wastes will be stored in containers sealed from precipitation or stored under cover or inside buildings. November, 2019 Page 6 of 8 Facilities Operation and Maintenance Plan Town of Gibsonville 7.5 Outdoor Material Storage • Remove and dispose of all unnecessary materials, equipment, and debris. • Store materials on pallets or elevated platform to prevent corrosion. • Cover materials with tarps to minimize exposure. • All empty containers stored outside will be tightly sealed and the outside free of contamination. 7.6 Good Housekeeping Practices • Work, storage, and vehicle parking areas are to be kept clean and orderly. • Routine maintenance and cleaning of areas that are exposed (or have the potential to be exposed) to stormwater runoff will be performed to minimize stormwater pollution. • Sweep or dry mop when cleaning outdoor areas. Avoid washing or hosing down the area. • Clean up spills promptly. 8. ANNUAL INSPECTION PROGRAM Annual inspections of all Town owned facilities will be conducted and this plan reviewed. The effectiveness of the BMP's implemented during the previous year will also be evaluated. Based on the results of the inspections and BMP evaluation, this Operation and Maintenance Plan will be updated and modified to ensure the risk of stormwater pollution from Town operations is minimized. 9. EMPLOYEE TRAINING An employee training program will be developed and implemented to educate public works employees about the requirements of this O&M Plan. This education program will include background on components of the O&M Plan and hands-on training in spill prevention and response, good housekeeping, proper material handling, disposal and control of waste, washing, and inspection procedures. All new employees will be trained within one week of their start date. Additionally, all employees will be required to participate in an annual refresher training course. The training program will be reviewed annually by the Plan Coordinator to determine its effectiveness and to make any necessary changes to the program. November, 2019 Page 7 of 8 Facilities Operation and Maintenance Plan Town of Gibsonville 10. RECORD KEEPING Annual Inspection forms, training records, information on all BMP's implemented, and any waste and/or recycling receipts shall be maintained on site for a minimum of five years. November, 2019 Page 8 of 8 FIGURES