CHAPTER Il SECTION 2 5. 4'x 4' posts were placed at double doors 6. Exterior struts were provided VOL. BOOK 6 Bldg. 323 - Rad-Safe: 1. Doors were locked in closed position 2. End walls were braced 3. Roof support was provided 4. Cable bracing was provided 5. Additional securing studs were driven in wall sill plate angles Bldg. 342 - Shop; 1, End walls were braced 2. Roof support was provided 3. A post was provided under the frame under the sliding door 4. Additional securing studs were driven in wall sill plate angles 5. Building was braced on the blast side only Bldg. 406 - Boat Repair-Storage: All doors and shutters were locked in open position Posts were provided under frames of sliding doors 330 and 344 - Laboratories: Cable bracing was provided The Using Agency braced instrument panels and covered equipment with tarpaulins Bldg. 339 - CMR Power Plant: 1, Additional Butler frame was put in each bay 2. 6-36 Vertical support for roof was provided