Surface Type: Other Hard Surfaces BMP L612: Sheet Flow Dispersion City of Tacoma Permit Number: Date Prepared: Yes No NA Can the dispersion BMP be placed 10 feet or more from any building structure? Can the dispersion BMP be placed 5 feet or more from any structure or property line? Can the dispersion BMP be placed 50 feet or more from the top of a steep slope (15% or greater)? Can the dispersion BMP be placed 10 feet or more from septic tanks and septic drainfields? Is there a 10 foot or greater vegetated flowpath for up to 20 feet of pavement width between the discharge point from the dispersion BMP and any property line, structure, steep slope, stream, lake, wetland, or other hard surface for concentrating flows onto a rock pad? Is there a 25 foot or greater vegetated flowpath for up to 150 feet of contributing cleared area between the discharge point from the dispersion BMP and any property line, structure, steep slope, stream, lake, wetland, or other hard surface for concentrating flows onto a rock pad? Will installing sheet flow dispersion BMPs cause conflicts with any of the following? (An answer of yes means this BMP is not feasible). Please the box next to those items that apply. Answer requires a report prepared by professional. Requirements of the Historic Preservation Laws and Archeology Laws, Federal Superfund or Washington State Model Toxics Control Act, Federal Aviation Administration requirements for airports, or Americans with Disability Act Special zoning district design criteria adopted and being implemented through any City of Tacoma planning efforts Public health and safety standards Transportation regulations to maintain the option for future expansion or use of public rights-of-way Critical Area Preservation Ordinance
Surface Type: Other Hard Surfaces BMP L612: Sheet Flow Dispersion City of Tacoma Permit Number: Date Prepared: Yes No NA Can the dispersion BMP be placed 10 feet or more from any building structure? Can the dispersion BMP be placed 5 feet or more from any structure or property line? Can the dispersion BMP be placed 50 feet or more from the top of a steep slope (15% or greater)? Can the dispersion BMP be placed 10 feet or more from septic tanks and septic drainfields? Is there a 10 foot or greater vegetated flowpath for up to 20 feet of pavement width between the discharge point from the dispersion BMP and any property line, structure, steep slope, stream, lake, wetland, or other hard surface for concentrating flows onto a rock pad? Is there a 25 foot or greater vegetated flowpath for up to 150 feet of contributing cleared area between the discharge point from the dispersion BMP and any property line, structure, steep slope, stream, lake, wetland, or other hard surface for concentrating flows onto a rock pad? Will installing sheet flow dispersion BMPs cause conflicts with any of the following? (An answer of yes means this BMP is not feasible). Please the box next to those items that apply. Answer requires a report prepared by professional. Requirements of the Historic Preservation Laws and Archeology Laws, Federal Superfund or Washington State Model Toxics Control Act, Federal Aviation Administration requirements for airports, or Americans with Disability Act Special zoning district design criteria adopted and being implemented through any City of Tacoma planning efforts Public health and safety standards Transportation regulations to maintain the option for future expansion or use of public rights-of-way Critical Area Preservation Ordinance
BMP%20L612%20Sheet%20Flow%20Dispersion.docx