An ordinance establishing the grade of California Avenue from North line of Whittlesey Street to the South line of Spencer Street, Olympic Avenue from the South line of Spencer Street to the North line of Whittlesey Street, Vashon Avenue from the South line of South Street to the North line of Whittlesey Street, Columbia Street from the South line of South Street to the North line of Whittlesey Street, in the City of West Seattle.