VOL. BOOK 6 2. Cable bracing was provided 3. Vertical roof support was provided CHAPTER II SECTION 2 4. End wall facing blast was braced 5. Additional securing studs were driven in sill plate angles Bldgs. 5, 6, 7, 8, 17, 109, 110, 111, 112 - 9 Buildings: 1, All shutters and doors were locked in an open position 2. Support for roof in shower room was provided 3. Additional securing studs were driven in sill plate angles Bldgs. 10, 11, 12, 13, 18, 19, 20, 21 - 8 Buildings: 1. All doors were removed 2, All shutters were locked in an open position 3. Lockers were laid flat Bldg. 15 - Group Headquarters: 1, All doors were removed 2. All shutters were locked in an open position Two full height panels were removed from the wall between the south and the central sections Bldg. 16 - Post Office and Post Exchange, with 3 Wings: 1, All doors were removed 2, All shutters were locked in open position 3, Sliding door was locked in open position Bldg. 23 - Hospital Ward: 1. All doors were removed 2, All shutters of the east and west walls were locked open 6-39