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Mountain House Specific Plan III .................................................................................................................................................................................. Table 3-8: Development Standard Exceptions Lot Size and Width Exceptions For major and minor subdivisions the size of individual lots may be reduced to ninety percent(90%)of the minimum lot size provided Master Plan density requirements are met;and minimum lot width for individual lots may be reduced 5 feet from the required minimum,provided the average lot width in the proposed subdivision is at least equal to the required minimum lot width. Side and Rear Setbacks Exceptions The side setback in the R-L, R-M and R-MH zones may be reduced to zero feet along the common wall in a zero lot-line residential project or where the distance between the building on the subject lot and the building on the adjacent lot is at least 10 feet. For reverse comer lots,the rear setback shall be the same as the side setback. For single story accessory buildings located in the rear third of the parcel,the rear setback may be reduced to zero feet where the distance between the accessory structure on the subject lot and the structure on the adjacent lot is at least 10 feet. Rear setbacks on alleys may be reduced to 4 feet. Specific Situation Setback Exc tions 1-205 Dwellings shall maintain setback from 1-205 as specified in the Master Plan. County Line Dwellings shall maintain a minimum setback from the Alameda County Line as specified in the Master Plan. Power Line Easements Residential dwelling units shall maintain a minimum setback of 25 feet from the Rio Oso-Tesla powerline easement,and non-residential structures shall maintain a 10 foot setback from the powarline easement. Delta-Mendota Canal Dwellings,excluding garages,shall maintain a minimum setback from the Delta-Mendota Canal as specified in the Master Plan. Wetlands Buildings and structures shall maintain a minimum setback from wetlands in accordance with the setback requirements for wetlands specified in the Wetlands Management Plan. High Pressure Gas and Oil Habitable residential structures shall maintain a minimum setback of 58 feet from the edge of the high - Line Easement pressure gas and oil pipeline easement. Meas Surrounding The front yard setback on lots zoned R-L may be reduced to 15 feet,for lots that surround,or are across Neighborhood Centers from,a Neighborhood Center. Garage Setback Exceptions _ The minimum setback for garages with doors facing the street shall be 5 feet behind the building facade of the main structure.The minimum setback for side entry garages shall be 25 feet in the R-VL zone and 10 feet for all other residential zones. OH-street Parking Area Setback Exceptions The minimum setback for off-street parking areas for nonresidential use types in the R-VL,R-L and R-M zones shall be 10 feet from any adjacent street,and 5 feet from any side or rear property line not abutting a street.The minimum setback for off-street parking areas in the R- MH and R-H zones shall be 15 feet from any adjacent street; 10 feet from any adjacent lot zoned R-VL, R-L or R-M;and 5 feet from any side or rear property line not abutting a street or lot zoned R-VL, R-L or R-M Structural Feature&Equipment Setback Exceptions _ Fire Escapes,Stairways and Fire escapes shall not extend or project more than 4 feet beyond the setback line.Open,unenclosed Balconies stairways,or balconies,shall not extend or project more than 4 feet beyond the side or rear setback line, and shall not extend or project more than 30 inches beyond the front setback line. Porches Porches,platforms or landing places which do not extend above the level of the first floor of the building may extend up to 6 feet in the R-M zone or 8 feet in the R-L and R-VL zones into any setback adjacent to a public street,but must maintain a minimum 4 foot setback from the property line.Any open work railing,no more than 36 inches in height,may be installed or constructed on any such porch,platform or landing place. Patio Covers Patio covers,as defined by hapter 49 of the Uniform Building Code,maybe located within 3 feet of the rear or side property line. Eaves,Roof Overhangs, Eaves,roof overhangs,non-habitable architectural features,fireplaces,air conditioning units and water Fireplaces,Architectural softening units may extend or project up to 30 inches beyond the setback line,but no closer than 30 inches Features,Air Conditioning and to the property line. Water Softener Equipment Pools Pools shall not be located closer than 5 feet from any side or rear property line.On comer lots,pools shall be located no closer to the street than the setback specified for that residential zone. Height Limit Exceptions Parking facilities located below the main structure in the R-H zone.Within the R-H zone,one-half(%)additional story may be permitted for parking facilities located below the main structure;Penthouse or roof structures for the housing of elevators,stairways,tanks,ventilating fans or similar equipment required to operate and maintain the building;and skylights and chimneys;flagpoles;church towers/steeples;and watertanks may exceed maximum building heights. 3-30 Draft 03/14/05 .................................................................................................................................................................................