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City of Centerville <br /> Page 2 <br /> Sept. 14, 1981 <br /> 2. Answer: <br /> COLLECTOR LOCAL CUL -DE -SACS <br /> Right -of -way 66' 60' 120' radius <br /> Paving Width 36' 32' 46' radius <br /> Maximum Grade 5% 8% <br /> Minimum angle to inter- <br /> section 90° 70° 70° <br /> Minimum Curb Radius 20' 14' 14' <br /> Horizontal Alignment Degree of curvature shall match speed limit <br /> Minimum radius of center <br /> line - vertical curves <br /> minimum sight distances 200' 100' <br /> NOTE: We would recommend eliminating alleys. <br /> 3. Question: <br /> Sidewalks: Paved sidewalks feet wide of portland cement <br /> concrete or asphaltic concrete may be required along <br /> one or both sides of streets. <br /> Answer: <br /> Sidewalks: We would recommend 4' wide concrete sidewalks along <br /> one side of the collector streets. <br /> 4. Question: <br /> Trees: Trees shall be planted along the streets. The number, <br /> location and types of trees must meet the approval of the <br /> Council. <br /> Answer: <br /> Trees: We would recommend one tree per lot planted in the front <br /> yard rather than the boulevard. Approximately three <br /> species of trees should be used and alternated on lots. <br /> A nursery should be contacted regarding types of trees. <br /> 5. Question: <br /> When the plat is accepted, how many copies of the as- builts should <br /> be required by the developer to provide the City? <br />