@ 0520, The Chester City Box Assignment was struck to the 500 block of E. 10th St. PD arrived to report structure was a vacant fully involved.
Chester 11 arrived a few minutes later to find a 2 story twin fully involved. Chester 11 established command & struck the 2nd Alarm. The Second Alarm Assignment added Engine 45, Rescue 52 (Brookhaven), Ladder 65 (Garden City), Rescue 63 (Green Ridge) for the Rapid Intervention Team, & Canteen 47 (Chester Twp).
Chester 11 ordered units to go into defensive operations. Units went in service with heaviest water lines. Units operated on the Fireground for about 1 1/2 hrs.