CDI - Application Status

All loose stockpiled construction materials that are not actively being used (i.e. soil, spoils, aggregate, fly-ash, stucco, hydrated lime, etc.) shall be covered and bermed.

All chemicals shall be stored in watertight containers (with appropriate secondary containment to prevent any spillage or leakage) or in a storage shed (completely enclosed).

Exposure of construction materials to precipitation shall be minimized. This does not include materials and equipment that are designed to be outdoors and exposed to environmental conditions (i.e. poles, equipment pads, cabinets, conductors, insulators, bricks, etc.).

Best Management Practices to prevent the off-site tracking of loose construction and landscape materials shall be implemented.

Waste Management

Disposal of any rinse or wash waters or materials on impervious or pervious site surfaces or into the storm drain system shall be prevented.

Sanitation facilities shall be contained (e.g., portable toilets) to prevent discharges of pollutants to the storm water drainage system or receiving water, and shall be located a minimum of 20 feet away from an inlet, street or driveway, stream, riparian area or other drainage facility.

Sanitation facilities shall be inspected regularly for leaks and spills and cleaned or replaced as necessary.

Cover waste disposal containers at the end of every business day and during a rain event.

Discharges from waste disposal containers to the storm water drainage system or receiving water shall be prevented.

Stockpiled waste material shall be contained and securely protected from wind and rain at all times unless actively being used.

Procedures that effectively address hazardous and non-hazardous spills shall be implemented

Equipment and materials for cleanup of spills shall be available on site and that spills and leaks shall be cleaned up immediately and disposed of properly; and

Concrete washout areas and other washout areas that may contain additional pollutants shall be contained so there is no discharge into the underlying soil and onto the surrounding areas.

Vehicle Storage and Maintenance

Measures shall be taken to prevent oil, grease, or fuel to leak in to the ground, storm drains or surface waters.

All equipment or vehicles, which are to be fueled, maintained and stored onsite shall be in a designated area fitted with appropriate BMPs.

Leaks shall be immediately cleaned and leaked materials shall be disposed of properly.

Landscape Materials

Contain stockpiled materials such as mulches and topsoil when they are not actively being used.

Contain fertilizers and other landscape materials when they are not actively being used.

Discontinue the application of any erodible landscape material within 2 days before a forecasted rain event or during periods of precipitation.

Apply erodible landscape material at quantities and application rates according to manufacture recommendations or based on written specifications by knowledgeable and experienced field personnel.

Stack erodible landscape material on pallets and covering or storing such materials when not being used or applied.