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03/22/2021 3. Climatic: The City is located in Climate Zone 3 as established in the 2019 California Energy Code. The areas served by the City, on average, experience an annual rainfall between 8 to 18 inches. This rainfall can be expected between October and April of each year and is based on the 100 -year weather almanac. However, during the summer and early fall months there is little, if any, measurable precipitation. During this dry period, the temperatures are usually between 700-900 with light to gusty westerly winds. These drying winds, mixed with the natural vegetation, which is dominant throughout the area, create a hazardous fuel condition, which further creates extensive grass and brush land fire risk. With residential developments, encroaching into these wooded and grass, or brush -covered areas, wind and terrain -driven fires could have severe consequences to improved properties at risk. These climatic conditions along with the greenhouse emissions generated from structures in both the residential and nonresidential sectors requires exceeding the energy standards for building construction established in the 2019 California Buildings Standards Code. Redwood City's Climate Action Plan (CAP) establishes the goal of reducing carbon emissions 50 percent below 2005 levels by 2030, an interim step toward the ultimate goal of achieving carbon neutrality well before 2045. In order to achieve and maintain this goal, the City needs to adopt policies and regulations that reduce the use of fossil fuels that contribute to climate change, such as natural gas in buildings, in new development. Human activities, such as burning natural gas to heat buildings, releases greenhouse gases into the atmosphere and causes an overall increase in global average temperature. This causes sea levels to rise, affecting the City's shoreline and infrastructure. 4. Geological: A. Geoctraphic Location. The area served by the City is located in San Mateo County. This area identified as being in the southern region of the county. B. Seismic Location. The relatively young geological processes that have created the San Francisco bay region are still active today. Seismically, the City sits along the active San Andreas Fault, and is rated as a Seismic Zone E. C. Size and papulation. Areas served by the Fire Department encompass approximately 19 square miles and 80,000 people. D. Roads and Streets. The number of vehicle miles driven is steadily increasing despite limited growth. Many older streets are narrow and steep. The impact of additional planned developments and increased traffic flow will continue to create an effect on the delivery of fire protection services. E. Soil Conditions. The City lays in the southern end of San Mateo County. The areas closest to the Bay are overlain by unconsolidated fine silty clay, known as Bay Mud, which varies in thickness from a few feet to as much as thirty (30) feet. Bedrock lies beneath the area at depths generally three hundred (300) feet or more. The topography is essentially flat, dropping from an elevation of eight hundred (800) feet to sea level. The slope of the City extends upwards on the western side. Slopes range from (0) degrees to more than (20) degrees on some streets. F. Vegetation. The hilly portion of the City contains trees, dense brush vegetation and a heavy growth of natural grasses. The City and surrounding areas suffer several wildland fires each year. ATTY/RESO.0013/CC RESO 2019 CA ENERGY & GREEN BUILDING STANDARDS CODES RESO. NO. 15941 REV: 03-15-21 RL MUFF NO. 305 Page 2 of 3