VOL, U BOOK 6 CHAPTER II SECTION 2 3. Vertical supports for roof were installed 4, Additional securing studs were driven in wall sill plate angles Bldg. 216 - Library and Day Room: 1. All doors were removed 2. The shutters of end wall facing blast were removed and all others were locked in open position Bldg. 221 - Task Force Building: 1, All doors were removed 2. All shutters were locked in open position Bldg. 222 - Security: 1. All doors were removed 2. All shutters were locked in open position Bldgs, 227, 228, 233, 234, 235, 236 - 6 Buildings: 1, All shutters were locked open and doors were removed 2. Support for roof in shower room was installed 3. Additional securing studs were driven in wall sill plate angles Bldg. 232 - Scientific Users Shop Building: 1. All doors were locked closed 2. Braced end wall facing blast 3. Supports for roof were installed 4, Cable bracing for middle 24 feet of wall facing blast was installed 5. Additional securing studs were driven in wall sill plate angles Bldg. 237 - Recreation Building, Bldg. 409 - Beer Hall: l. All doors were removed 6-29