On Wednesday 7/21/2021 @ 11:37 PMFD was dispatched for a working grinder Fire. PD and 27-52 responding to the scene reporting a working fire with a header. 27-52 arrived on scene established command and confirmed a working fire. Upon the arrival of Rescue Engine 27-13 and Engine 27-12 crews stretched 2 lines and put them in operation. 27-11 also responded and was instructed to stay out on the street for a possible hydrant line.