Steel Reinforcement placement in Reinforced Concrete. Select the response that best completes the following sentence: The term “Chair” refers to elements which ________________________________. Select one: a. Provide a comfortable place to sit while the pour is happening. b. Position and support reinforcement at a designated level prior to a horizontal pour. c. Brace and support Foundation Stem Walls prior to the pour. d. Support the Formwork prior to Horizontal Rebar placement. e. Provide comfortable support to an awkwardly placed piece of Rebar.