Concrete washout for single lot use made of Use: Capture and hold concrete washout water and concrete waste. Use this straw bales and plastic. Washout is located BMP at sites in which concrete and stucco waste is present. Concrete waste is away from pavement, storm drains, and ditches present at most construction sites. to ensure that any overflow does not move toward surface waters. Photo credit: Barry Location: washout area in a convenient location for concrete truck Tonning, Tetra Tech drivers, but away from storm drains, ditches, stormwater inlets, and surface waters. Design criteria: Use pre-determined disposal sites for waste concrete. Provide adequate signage in relevant languages (English, Spanish, etc.) to mark washout area. Direct washout water into a leak-proof container or pit designed so that no overflows will occur due to inadequate sizing or precipitation. Do not dump liquid wastes in storm sewers or surface waters, and locate washout and cleanout activities away from drainage features. If liquids are present and must be removed, dispose of liquid wastes consistent with the specifications in PP-1, Materials Storage and Handling. Use an impermeable, durable plastic liner to prevent leakage of wash water. Construct basin sidewalls with straw bales, wood, or earthen berms. Fabricated washout tanks are available in some areas. Remove and dispose of hardened concrete waste consistent with how you dispose of other construction wastes as specified in PP-2, Construction and Solid Waste Management. Maintenance: Inspect washout basins regularly for leakage and overflows. Immediately repair or replace any that are found to be defective. washout basins that are full, to promote complete drying of contents prior to disposal. Tips: Work with other builders to share washout basin responsibilities. Drivers and equipment operators must be instructed on proper disposal and equipment washing practices (see above). Removal: When basin is full, allow contents to dry completely before removal.
Concrete washout for single lot use made of straw bales and plastic. Washout is located away from pavement, storm drains, and ditches to ensure that any overflow does not move toward surface waters. Photo credit: Barry Tonning, Tetra Tech Use: Capture and hold concrete washout water and concrete waste. Use this BMP at sites in which concrete and stucco waste is present. Concrete waste is present at most construction sites. Location: washout area in a convenient location for concrete truck drivers, but away from storm drains, ditches, stormwater inlets, and surface waters. Design criteria: Use pre-determined disposal sites for waste concrete. Provide adequate signage in relevant languages (English, Spanish, etc.) to mark washout area. Direct washout water into a leak-proof container or pit designed so that no overflows will occur due to inadequate sizing or precipitation. Do not dump liquid wastes in storm sewers or surface waters, and locate washout and cleanout activities away from drainage features. If liquids are present and must be removed, dispose of liquid wastes consistent with the specifications in PP-1, Materials Storage and Handling. Use an impermeable, durable plastic liner to prevent leakage of wash water. Construct basin sidewalls with straw bales, wood, or earthen berms. Fabricated washout tanks are available in some areas. Remove and dispose of hardened concrete waste consistent with how you dispose of other construction wastes as specified in PP-2, Construction and Solid Waste Management. Maintenance: Inspect washout basins regularly for leakage and overflows. Immediately repair or replace any that are found to be defective. washout basins that are full, to promote complete drying of contents prior to disposal. Tips: Work with other builders to share washout basin responsibilities. Drivers and equipment operators must be instructed on proper disposal and equipment washing practices (see above). Removal: When basin is full, allow contents to dry completely before removal.
cgp_small_residential_lot_swppp_template_final_draft_11-30-15_0.docx