2019 Design Standards Amendments

The Statewide Urban Design and Specifications (SUDAS) Standard Specifications Manual shall be adopted with the following additions: Traffic Control: Complete; Lump Sum (LS); The Contractor shall accommodate and maintain access to all residential and commercial properties, unless approved by Engineer and Property Owner/Residents when not practical to do such until the construction activity has been completed. All traffic control shall be in accordance with the Iowa Department of Transportation Standard Specifications for Highway and Bridge Construction, Series 2015 (current revision) and the Manual on Uniform Traffic Control Devices (MUTCD). The contractor shall erect and maintain construction and warning signage, barricades, fencing, and delineating devices to ensure the safety of the traveling public through and around the jobsite. Contractor shall cover all permanent signage that is in conflict with or displays information that is contradictory to the construction signage. Unit price includes but is not limited to furnishing all labor, materials and equipment necessary to furnish, install, erect, maintain, move, and remove construction and warning signage, in accordance with the Plans, of Iowa Department of Transportation Standard Specifications for Highway and Bridge Construction, Series 2012 (current revision) and MUTCD, assuring safe traffic flow. Light Poles, Electrical Circuits, Handholes & Junction Boxes (Highway Lighting) In general Light Poles, Electrical Circuits, Handholes and Junction Boxes shall be in accordance with Section 2523 of Iowa Department of Transportation Standard Specifications for Highway and Bridge Construction, Series 2015 (current revision). All materials shall meet the City Design Standards. Light poles shall consist of a metal pole of sufficient length such that the mounting of the luminaire is not less than 26 feet or more than 30 feet above the roadway surface. Mast arm shall be galvanized steel. Lighting fixture shall contain an LED light source with a minimum of 8,500 lumens (ASA, Type III) and shall meet Illumination Engineering Society (IES) Type II “sharp cutoff” lighting criteria (limited “fugitive light” and direct downward illumination). 24