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the original Contract Specifications , design plans (including traffic control plans) or other Contract Documents and which effect a change in utility work different from that shown in the utility plans , joint project agreements or utility relocation schedules . The Department reserves the right to reject any Alternative Traffic Control Plan . Obtain the Engineer ' s written approval before beginning work using an alternate TCP . The Engineer ' s written approval is required for all modifications to the TCP . The Engineer will only allow changes to the TCP in an emergency without the proper documentation . 102-5 Traffic Control . 102-5 . 1 Standards : FDOT Design Standards (DS) are the minimum standards for the use in the development of all traffic control plans . The MUTCD Part VI is the minimum national standard for traffic control for highway construction, maintenance, and utility operations . Follow the basic principles and minimum standards contained in these documents for the design, application , installation, maintenance, and removal of all traffic control devices, warning devices and barriers which are necessary to protect the public and workers from hazards within the project limits . 102-5 .2 Maintenance of Roadway Surfaces : Maintain all lanes that are being used for the maintenance of traffic , including those on detours and temporary facilities , under all weather conditions . Keep the lanes reasonably free of dust, potholes and rutting. Provide the lanes with the drainage facilities necessary to maintain a smooth riding surface under all weather conditions . 102-5 .3 Number of Traffic Lanes : Maintain one lane of traffic in each direction . Maintain two lanes of traffic in each direction at existing four (or more) lane cross roads , where necessary to avoid undue traffic congestion . Construct each lane used for maintenance of traffic at least as wide as the traffic lanes existing in the area before commencement of construction . Do not allow traffic control and warning devices to encroach on lanes used for maintenance of traffic . The Engineer may allow the Contractor to restrict traffic to one -way operation for short periods of time provided that the Contractor employs adequate means of traffic control and does not unreasonably delay traffic . When a construction activity requires restricting traffic to one-way operations , locate the flaggers within view of each other when possible . When visual contact between flaggers is not possible, equip them with 2 -way radios , official, or pilot vehicle(s) , or use traffic signals . 102 -5 . 4 Crossings and Intersections : Provide and maintain adequate accommodations for intersecting and crossing traffic . Do not block or unduly restrict any road or street crossing the project unless approved by the Engineer. Maintain all existing actuated or traffic responsive mode signal operations for main and side street movements for the duration of the Contract . Restore any loss of detection within 12 hours . Use only detection technology listed on the Department ' s Approved Products List (APL) and approved by the Engineer to restore detection capabilities . Before beginning any construction, provide the Engineer a plan for maintaining detection devices for each intersection and the name(s) and phone numbers of persons that can be contacted when signal operation malfunctions . 102 -5 . 5 Access for Residences and Businesses : Provide continuous access to all residences and all places of business . -24 - FPID ( S ) : 423186 - 1 - 58 - 01