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Short-term construction noise would be generated during construction. The SEIR included construction related noise mitigation measures (e.g., limiting construction hours, compliance with the City's Noise Ordinance, locating stationary construction equipment as far from occupied buildings as possible, etc.). Conditions of approval have been included to address these mitigation measures. o Grading and Drainage The majority of the lot is relatively level with a perimeter landscaped berm along West Las Positas Boulevard. The applicant is proposing to generally maintain the existing grades on the property. Parking lot and roof drainage would drain into bio-retention areas on the project site that would filter contaminants before entering the arroyos. It is estimated that approximately 8,000 cubic yards of dirt would be excavated on the site. As conditioned, staff finds the proposed grading and drainage plan to be acceptable and in compliance with applicable stormwater runoff requirements. The haul route will be subject to the approval of the City Engineer. o Architecture and Design Staff believes that the proposed buildings are generally well designed and articulated. The building designs feature articulation and detailing on all sides. Portions of the building walls would be projected or recessed to provide variation in the wall plane and break up the building. The rooflines of the buildings are broken up to reduce the building mass and add interest. Building walls vary in materials and colors to provide variety and interest. The awnings and wrought iron detailing enrich the quality of the architecture. Similar to the prior 177-unit development, architectural elements, such as rafter tails, simulated stone trim, sconces, wrought iron railings, wooden gates, etc. were incorporated into the building design. In addition, a lowered wall at the first floor patio area and painted accents and thin brick veneer help break the mass of the buildings and enhance the buildings' aesthetic appearance. Staff generally finds the buildings are well-designed. Staff is recommending that the applicant make a few minor revisions and/or provide additional detailing to address the following items: • use a different material/color at building base and/or the building base should project slightly out from the building wall; • add trellises above the garage doors; • enhance the entry to each residential unit to be more prominent. Conditions of approval have been included to address these items. The proposed building colors would provide additional contrast and variation. Staff finds the proposed colors and materials, the window design and treatment, and the overall massing and detailing of all the proposed buildings to be acceptable. o Green Building As required by the City's Green Building Ordinance, the proposed project is required to qualify for at least 50 points on Alameda County Waste Management Authority's Summerhill Housing Group Planning Commission Page 16 of 28