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EXHIBIT C AURORA COTTAGES RESIDENTIAL PROJECT AURORA DR.. SAN LEANDRO MAINTENANCE PLAN FOR STORM WATER TREATMENT FACILITIES Project Description and Description of Storm Drainage and Storm Treatment Facilities: Aurora Cottages is a newly constructed residential, rental housing project on Aurora Dr., San Leandro, California. The project's storm drainage facilities are as shown on Exhibits B.1 and B.2 of these documents. As part of the newly constructed storm drainage facilities,there are several storm treatment areas through out the project. They are also shown on Exhibits B.1 and B.2. These storm treatment areas receive storm drainage from the impervious surfaces, walks, driveways, and roofs of this project. Storm drainage is then filtered through these areas. These storm treatment areas are landscaped and act to filter storm flows as they percolate downward through a special imported"bio- treatment soil". At the bottom of these storm treatment areas is hard drainage pipes that collect and convey "filtered" storm waters throughout the project and eventually to the existing storm drain pipe in Aurora Dr. These storm treatment facilities have been sized and designed with the latest Storm Treatment Guidelines in effect for new construction within the City of San Leandro. Maintenance of Storm Treatment Facilities: As previously stated, this is a rental only housing project, solely owned and operated. As a result of this, maintenance is tremendously simplified and established by a single source. As part of the general upkeep, and maintenance for the property , the developer/owner will contract with various maintenance/service companies for the project's maintenance, and upkeep. The developer/owner will contract with a landscape maintenance and street sweeping company for regular and periodic maintenance of the landscaping and storm treatment facilities. It is expected that landscape maintenance will occur 1 day per week. Landscaping within the storm treatment areas will be kept trimmed,healthy, and functioning for storm treatment purposes. Litter and debris will be picked up as needed. This weekly maintenance will insure the continued operation and functioning of the passive storm treatment facilities.