PC-96-61 - Laserfiche WebLink

35. If the rim elevation of the upstream public sanitary sewer is at an elevation higher than that of the lowest finish floor of a room having plumbing fixtures, a back-flow prevention device (check valve) shall be installed on the lateral between the house and public sani- tary sewer line. 36. A "line of maximum permitted grading" shall be shown on the final site plan and the grading and drainage plan for review and approval by the Planning Director before issu- ance of a building and/or grading permit. Site areas located outside this "maximum grad- ing line" shall remain natural grade. This "maximum grading line" shall be "staked" and verified on the site in accordance with the approved plans by the Director of Building In- spection before grading begins. The "staking" shall remain in place during all grading activity. Landscape and Irrigation Design: 37. The final landscape plan and irrigation plan shall be submitted to and approved by Plan- ning Director as part of the building permit plan set prior to issuance of a building permit. The irrigation design shall utilize low-volume drip, bubbler, or other water conserving irrigation systems to the maximum extent possible, particularly in areas which are adja- cent to off-site vegetation and open space areas. 38. All trees used in landscaping shall be a minimum of fifteen (15) gallons in size and all shrubs shall be a minimum of five (5) gallons, unless otherwise shown on the approved landscape plan. 39. All landscaping and irrigation shall be installed by the homeowner within nine (9) months of occupancy. The applicant shall arrange a landscape/irrigation site inspection with the Planning Department staff within thirty (30) days of completion of the landscape and irri- gation system installation. Urban Clean Water Runoff Conditions 40. The applicant shall include erosion control/storm water quality measures on the final grading plan which shall specifically address measures to prevent soil, dirt, and debris from entering the storm drain system. Such measures may include, but are not limited to, hydro seeding, hay bales, sandbags, and siltation fences and are subject to the review and approval of the City Engineer/Director of Building Inspection. If no grading plan is re- quired, necessary erosion control/storm water quality measures shall be shown on the site plan submitted for an on-site permit, subject to review and approval of the Director of Building Inspection. The applicant is responsible for ensuring that the contractor is aware of and implements such measures. 41. All cut and fill slopes shall be revegetated and stabilized after completion of grading, but in no case later than October 15. Hydroseeding shall be accomplished before September 15 and irrigated with a temporary irrigation system.