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11/16/2015 City's storm drainage system and shall substantiate their conclusions with drainage calculations to the satisfaction of the City Engineer. The project shall be designed in conformance with the Drainage Guidelines for Commercial Development, including detaining the difference between the 10-year preconstruction storm event and the 30- year post-construction storm event, and the detention of the 100-year storm event if possible. The commercial drainage guidelines can be found on the City's website at: http://www.redwoodcity.orq/bit/infrastructure/pdf/Drainaqe Guidelines Commercial 2005-02- 01.pdf 29. Plans shall be designed to meet the C3 requirements of the Municipal Regional Permit (MRP) NPDES Permit CAS 612008. 30. If construction is not complete by the start of the wet season (October 1 through April 30), the applicant shall implement a winterization program to minimize the potential for erosion and sedimentation. As appropriate to the site and status of construction, winterization requirements shall include perimeter filtration per SWPPP BMPs in order to contain particulates, a requirement that all concrete washing and spoils dumping will occur in designated locations as described in the erosion/sediment control plan, inspecting/maintaining/cleaning all soil erosion and sedimentation controls prior to, during, and immediately after each storm event; stabilizing disturbed soils through temporary or permanent seeding, mulching, matting, tarping or other physical means; rocking unpaved vehicle access to limit dispersion of much onto public right-of-way; and covering/tarping stored construction materials, fuels, and other chemicals. Plans to include proposed measures to prevent erosion and polluted runoff from all site conditions shall be submitted for approval by CDD prior to beginning construction. As site conditions warrant, the City Engineer may direct the applicant to implement additional winterization requirements. 31. Stormwater treatment measures to be shown on final improvement or grading plans shall not differ materially from the LID treatment measures presented on the project's Tentative Map, approved on June 30, 2015, without written approval from the Engineering Department. 32. Street widening, improvements, and dedications shall be in accordance with the Engineering Standards Volumes I, II, & III, as required by E&C (http://www.redwoodcitv.orq/deqartments/community-development-department/enqineerinq- transportation/enqineering/engineerinq-standards) 33. Parking garage ramps shall be designed in conformance with Volume III of the Engineering Standards, and shall consider safety and visibility of pedestrians to the satisfaction of the Engineering division. 34. Sidewalk bike racks shall be included to accommodate short term bicycle parking needs. 35. Street trees shall be required, spaced at minimum intervals along project frontage, and species as determined by the City's Landscape Architect. Newly planted street trees shall be irrigated and maintained by applicant. ATTY/RES0.3157/SA RESO 601 MARSHALL APPEAL 8-STORY PROJECT RESO.#15458 REV:11-16-15 VR MUFF#603 Page 12 of 23