ae Tea wo cre one os. wed 9 ANNEX Z OPERATIONSORDER NO. 5-54 SAFETYINSTRUCTIONS 1, PERSONNEL: a. Unit Commanders will conduct a muster and will report thereon to the Director of Personnel, this Headquarters by 1545 hours on H minus 1 Day. A final muster will be conducted at I] minus 1 Hour in unit work areas in the vicinity of the ramp. b. Personnel will be briefed on safety precautions to be ob-= served before, during and after the shot. ce, All buildings will be evacuated, except for the AOC, (1) (2) > ee? pe oo for protection against thermal radiation. Gusts of wind and some overpressures are expected; exercise precautions to sccure light objects nearby. All personnel will be faced away from ground zero at H-Hour. Personnel will not tura to view the fireboil until at least10 seconds after burst, and will do so then with caution. oo (3) & Long sleeve shirts and long nants are not necessary The shock wave will travel at a rate of approximately 5+ seconds per nautical mile. Personnel will remain at their stations to await the passage of the shock wave, There is a possibility that more than one shock wave will be felt. It is not anticipated that any water wave of sufficient magnitude to damage property will be generated. Personnel will be cautioned, nevertheless, to be prepared in the event a wave docs follow the blast, Apvnroximately 3 minutes will elapse before . a wave reaches ENIWETOK, 2. SAFETY OF MATRRIEL AND UNIT AREAS: a. Aircraft: (1) ALL aircraft must be parked nose toward Ground Zero, magnetic heading 345°, with the arca in front of aircraft carefully cleared of possible missiles. Whecis should be chocked, with brakes set. Parking should be planned so that slipht shifts in position will not cause collisions between circraft, (2) Gust locks should be placed on all control surfaces. (3) Doors, windows, hatches, bomb bay doors, etc., should be opened and sccured in the open position, so that there arc no sealed enclosures such as cockpits, cabins, or bomb bays. (4) L-13's and helicopters should be storod in tho hangar with their wings falded and rotors stowed. gh? 10 TASK GROUP 7.4 OPRS ORDER NO. 5-54 ANNEX Z, APNDX 1 oe a oo? ® Z1-1 - —, vo rose90 a git Further