11 ATTACHMENT 2 - Laserfiche WebLink

40. The storm drainage from each lot shall be directed to the street or an approved storm drain system in accordance with Sections 2907(b)(5) and 7012(d) of the 1988 Uniform Building Code unless otherwise approved by the Chief Building and Safety Official and the City Engineer. 41. The design for any retaining wall or combination of retaining walls to be constructed with this development including the private lots shall be first submitted to the Planning Director for review and approval. All retaining walls higher than four-feet from the top of the wall to the bottom of the footing shall be reviewed by a registered civil engineer. Once approved by the Planning Director, a detailed design/engineering plan and calculations prepared by a registered civil engineer for the retaining wall shall be submitted to the Building and Safety Division for review and approval before the issuance of a building permit. This statement shall be added to the design guidelines. 42. The storm drain system not within a public street shall be private and shall be maintained by an HOA or GHAD. Prior to the approval of the final subdivision map, the project developer shall submit a maintenance plan for the storm drain system to the City Engineer for review and approval. The HOA or GHAD shall submit annual reports every spring to the City Engineer prepared by a licensed Civil Engineer registered in the State of California regarding the status of the storm drain system including a maintenance plan for the summer identifying any deficiencies. The storm drain systems on the individual lots shall be maintained by the lot owner. 43. Unless otherwise approved by the City Engineer, all fill and cut slopes shall be graded at a 3:1 (horizontal-to-vertical) slope. For slopes between lots, there shall be a minimum, 2-foot wide "overbuild" area between the lot line(s) and the slope's hinge point. This change shall be shown on the tentative subdivision map and/or grading plan to the satisfaction of the City Engineer and shall be subject to review/ approval by the Planning Commission. 44. The project developer shall post with the City prior to approval of final subdivision map an adequate performance bond for all subdivision improvements both public and private. 45. Unless otherwise permitted by the City Engineer, all roof leaders shall be connected to the storm drain system. This statement shall be added to the development's design guidelines. 46. All subdrains installed by the project developer with the subdivision improvements shall have a cleanout installed at the beginning of the pipe. The bottom of the pipe shall terminate in a storm drain pipe or other storm drain outfall, subject to the approval of the City Engineer. The project developer's civil engineer shall submit a final subdrain location map to the City Engineer for review and acceptance prior to the City Engineer's acceptance of the public Page 18 of 37