Specifications include, but are not limited to: 1. The topographíc survey for the water main replacement shall include an area from street right-of-way to right-of-way line along the subject street(s), including to a point twenty (20) feet back of right-of-way line at each cross street, and at each terminal intersection. For the skewed intersections the survey is to extend 20' back as measured along the shortest leg of the intersecting street ROW and therrce perpendícular across the intersecting street ROW. Each survey shall include all visible surface features including, but not limited to the following: . Sidewalks (At all four corners of every major intersection and within 20 feet of hydrants) ' Carríage Walks and Signs that are within twenty (20) feet of an existing hydrant. , Back of Curbs, Driveways, Edge of pavements (points where curb meets with pavement) ' Alley " Diagonal Parking areas within street iight-of-way " Fences ' Fire Hydrants: Detailed topographic survey around every existing hydrant shall be performed (20' forward and 20' backward from hydrant) along existing curb line including all sidewalks, carriage wal[