Dimensional standards
Servicing
- Geographic extent
- Applies to all developments on hillsides, commercial developments with 100,000 sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. or more imperviousImpervious coverageThe share of a lot covered by anything water cannot soak through — roofs, drives, patios. surface, automotive repair shops, retail gasoline outlets, restaurants, residential subdivisions with 10+ units, and parking lots with 5,000 sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. or more and 25+ parking spaces.
Extracted standards
12 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Drain inlet stenciling
All new drain inlets must be stenciled with a brief statement that prohibits the discharge of improper materials to the storm drain conveyance system.
- Erosion and sediment control plan
The applicant must prepare an erosion and sediment control plan for all construction activities related to implementing any on-site storm water management practices.
- Final inspection before certificate of occupancy
All storm water measures are subject to final inspection prior to issuance of certificate of occupancy.
- Maintenance plan requirement
All applicants must submit a maintenance plan with the storm water management plan which must identify long-term maintenance and operation strategy...
- Parking lot design requirements25 spaces
Parking lots that will have more than 25 or more parking spaces must be designed in a manner that reduces impervious surface, minimizes the potential for polluted discharges and/non-storm water discharge, and must incorporate both treatment and runoff reduction measures...
- Post-development peak discharge rate
Post-development peak storm water runoff discharge rates shall not exceed the estimated pre-development rate for developments where the increased peak storm water discharge rate will result in increased potential for downstream erosion.
- Professional engineer certification
Upon the completion of construction, all storm water treatment facilities must be certified by a professional engineer.
- Record retention period10 years
Parties responsible for the operation and maintenance of a storm water management facility shall make records of the installation and of all maintenance and repairs, and shall retain the records for at least ten years.
- Restaurant grease trap requirement
All restaurants must be designed to include equipment and accessory wash areas that have a self-contained grease trap that is connected to the sanitary sewer.
- Treatment before discharge to wetland/water body
All storm water runoff generated from new development which meets the stated criteria in section 8.60.140 may not discharge untreated storm water directly into a jurisdictional wetland or local water body without adequate treatment.
- Treatment control sizing method85 percentile
All storm water treatment facilities based on volume design shall be sized using the urban runoff quality management method (the 85th percentile capture ratio volume based treatment control sizing method)...
- Minimum fine for violation500 dollars
any person who violates the provisions of this chapter shall be punished by a fine of not less than $500.00.
From the ordinance
This chapter shall be applicable to all subdivision or site plan applications... Development on hillsides. Commercial developments that result in of 100,000 square feet or more of impervious surface area. Automotive repair shops. Retail gasoline outlets. Restaurants. Residential subdivisions with ten or more housing units. Parking lots of 5,000 square feet or more with 25 or more parking spaces...