9421 18TH AVE W LILYS COURT 2025-07-29

• Clearing limits of the project are shown on the engineering drawings. All bare and disturbed soils shall note be left uncovered or unstabilized for more than 2 days during • winter grading (October 1 to April 30) or 7 days for summer grading (May 1 to September 30). Cleared areas shall be covered temporarily with plastic or with straw mulch or hydro seeded if plans do not call for work in the area. A Construction entrance will be utilized to remove heavy soil debris from trucks leaving the site. • Best Management Practices will be used in this project such as silt fences, interceptor trenches, sedimentation ponds (where necessary), hydro seeding of cleared land and other passive means to contain and control erosion and sediment. • Core Requirement#6—Maintenance and Operations Storm Chamber Detention system and storm filter are to be maintained by future home owner's association. Roof drains to splash blocks to be maintained by associated individual unit owners. Refer to section 9 of this report for Maintenance and Operations • information. Core Requirement#7—Financial Guarantees and Liability The owner and/or contractor for each individual portion of the work will guarantee all • erosion and drainage work on the site as Bonds or another form of financial guarantee. The contractor will guarantee the work for a period of time and ultimately the property owner will guarantee the long-term promise of all maintenance. Core Requirement#8—Water Quality • Water quality treatment is to be provided by the installation of a catch basin storm filter located at the north end of the drive aisle system. All new lawn areas are to be constructed with amended soils to provide minor water quality of pollution generating pervious surfaces. No other pollution generating surfaces are proposed for the • development. • • E: /2011 / 111103A/Drainage Report.doc • ,�