AG 2004 03 15 - Laserfiche WebLink

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gross density between 1 unit per 2 acres and 2 units per acre sidewalks shall be installed on one side of all streets serving more than 20 lots, and developments of a gross density of greater than 2 units per acre shall install sidewalks on both sides of all streets. Non-residential development shall be required to meet the sidewalk standards of the LIDO. Street trees shall not be required but the planting strips between curbing and sidewalks shall. Collector streets need to be designated as collector type streets and standard (2'- 0" minimum) curb and gutter will be used. Valley or standard curb and gutter can be used on the remaining streets. Cul-de-Sac pavement radius shall be maximized (37' minimum) within the r/w with an easement to accommodate any pan of the street or utility infrastructure not contained within, the right-of-way so as not to affect setbacks. Sidewalk shall be extended all around the bulb of the cul-de-sac. The City of Concord standard pavement cross sections need to be shown on the plans. Refer to UDO Appendix C. Right-of-way widths at a minimum of 50" will be permitted as shown in Appendix C, Drawing #7 when the conditions for that cross section are met. A minimum of 60' width is suggested. The Director of Transportation for the City of Concord, in correspondence with the NCDOT District Engineer, must approve the terrain classification on a case by case basis. Refer to NCDOT Subdivision Roads Minimum Construction Standards for minimum speed, horizontal, vertical, etc. design standards. This includes but is not limited to, minimum centerline radius, minimum k values, minimum distance between reverse curves, etc. -- . Dedicated sight triangle easements at intersections with public streets will need to be shown on the fitaal plat. City standard 30' x 30' and NCDOT standard 10' x 70' sight triangles will be required. [County standard is 35' x 35' and NCDOT 10' x 70' so this should be unnecessary.] The grades for 100' each way fi'om intersections exceeding 5.0% are not allowed unless approved by the City of Concord Director of Transportation. A Traffic Impact Analysis, if required based on the LIDO standards, shall be submitted, approved and adhered to. This study must meet the UDO standards. For development that fails below the LIDO threshold for the TI.A, the County TIA must be. completed where required.