part 4 - materials management preventing stormwater pollution at your public works facility: a...
TRANSCRIPT
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Part 4 - Materials Management
Preventing Stormwater Pollution at Your Public Works Facility: A 5-Part Workshop Series
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Training Modules
1. Why Stormwater Matters 2. What is a SWPPP? 3. Spill Prevention & Response 4. Materials Management
5. Good Housekeeping
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Materials Management
• Purchasing
• Storage
• Usage
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Purchasing
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Order in appropriate amounts
• Avoid expiration
• Avoid storage problems
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Inspect immediately upon delivery
• Leaks
• damage
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Consider alternative products
• Multi-purpose to reduce numbers
• Review Material Safety Data Sheets (MSDS) prior to purchase
• Ask for least hazardous materials suitable to job
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Storage
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What are we storing?
• Stuff
• STUFF
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Storage basics
• Store all fluid products & wastes indoors or under cover
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Storage basics
• Inspect storage area for points where spilled products could migrate; avoid storing, dispensing or mixing products there
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Storage basics
• Organize the storage area and keep an inventory
• Keep unused products in their original containers
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Storage basics
• Properly store wastes– Plainly label containers
• Date when contents first added• Indicate hazard (e.g. flammable)
– Batteries in single layer on pallets• with non-corrosive base• Recycle
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Storage basics
• Bagged or boxed products that are stored outdoors should be on pallets and covered prior to rain
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Storage basics
• Store waste materials and garbage in dumpsters with lids
– Away from concentrated flows
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Storage basics
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• Locate stockpiles away from water bodies, inlets & concentrated flows
Storage basics
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Storage basics
• Salt and salt/sand piles enclosed or covered by resistant shelter
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Storage basics
• Store bulk materials and tires under roofs or tarps
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Storage basics
• Use berms or dikes for containment
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Contained?
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Sweepings
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Sweepings
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Acceptable Uses for Sweepings
• Landfill cover material (may require screening)
• Base course to be covered with asphalt or concrete
• Backfill for public works construction projects
• Mixed with new sand/salt and reapplied
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Sometimes acceptable use
• Clean fill, but…– Analytical testing for petroleum hydrocarbon
content, Toxicity Characteristic Leaching Procedure, total lead content must prove no potential threat to human health or environment
– Sampling plan and analytical results must be submitted to Office of Waste Management for review & approval
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Two sweepings piles?
• One for amount we estimate to reuse
• One for temporary storage prior to transport to landfill
• Both contained and covered!
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Usage
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Keeping runoff in mind
• Keep containers closed except briefly while in use
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Keeping runoff in mind
• Use self-closing spigots & nozzles for dispensing fluids from bulk containers
• Place drip pans beneath hose/pipe connections
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Keeping runoff in mind
• Pour & mix products in well-ventilated area over a spill pallet
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Pouring & mixing
• Mix & load bulk materials in designated area away from flow paths– Clean up excess &
spills– Minimize transfers
during wet conditions
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Keeping runoff in mind
• Avoid accumulating multiple partly-used cans in the work area
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Keeping runoff in mind
• Return empty containers before using new supplies
• Seal drums & containers prior to transport
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Keeping runoff in mind
• Before you start using materials, make sure spill cleanup materials are readily available
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Keeping runoff in mind
• Use dry cleanup methods
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Public Works Facility Operations & Maintenance for Stormwater
Management: Employee TrainingBrought to you by:
This program was developed by the Southern Rhode Island Conservation District in partnership with the URI Cooperative Extension RI NEMO Program and the Rhode Island T2 Center. Funding was provided by the RI Department of Environmental Management and the RI Department of Transportation under the Phase II Stormwater Education and Outreach Program.
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Exercise!
How would you evaluate the materials management in the following pictures?
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Activity/BMP (Category) Does it work?
(Materials Management)
Loading area covered
Movement during wet weather
Run-on diverted
Drains to dead-end sump
Red
Red
Red
Red
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Activity/BMP (Category) Does it work?
(Vehicle/equipment fueling)
Overhanging roof
Spill materials at hand
No stormwater runon
Red
Red
Yellow
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Activity/BMP (Category)
Does it work?
(Waste handling)
Out of runoff flow path
Bulk waste confined & covered
Accumulated sediments removed
(Runoff management)
Runoff directed to treatment area
Activity/BMP (Category)
Does it work?
(Outdoor storage)
Protected by roof/cover
Erosion controls around large stockpiles
Berms & curbs prevent runon, runoff
Red
Red
Red
Red
Red
Red
Red
Red
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Activity/BMP (Category) Does it work?
(Outdoor storage)
Protected by roof/cover
Berms & curbs prevent runon, runoff
Red
Orange/Yellow
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Activity/BMP (Category)
Does it work?
(Outdoor storage)
Protected by roof
Containers in good condition
Lids secured
Labeled & stored in secure area
Activity/BMP (Category) Does it work?
(Waste handling)
Fluids in good condition, labeled
containers under cover
Red
Orange
Orange
Orange
Red
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Activity/BMP (Category) Does it work?
(Outdoor storage)
Inventory minimized
Protected by roof
Yellow/Green
Green