4.5.5 Paying for Truck Mounted Attenuators (TMA)
The Standard Specification 505 - Truck Mounted Attenuators (TMA) ensures that all TMAs are paid for directly and are no longer subsidiary to Item 502. The total number of required TMAs for a project should be clarified in the General Notes with a note in this format:
In addition to the shadow vehicles with truck mounted attenuator (TMA) that are specified as being required on the traffic control plan for this project, provide ____ additional shadow vehicle(s) with TMA for TCP (___-___) -___ as detailed on General Note ____ of this standard sheet. Therefore, ____ total shadow vehicles with TMA will be required for this type of work. The Contractor will be responsible for determine if one or more of the operations will be ongoing at the same time to determine the total number of TMAs needed for the project.