PD was called to this address for an audible alarm. Upon arrival they found the building to be on fire. A regular alarm was toned out. E5 was first due and had fire showing. E5/SQ5 were fire attack. E2 was search and rescue. E1 laid in a 5 inch and 3 inch supply lines. Q4/HR4 forced the overhead doors and assisted with looking for extension. SQ10 was RIC.