STANDARD OPERATING INSTRUCTIONS NO. 1 MAINTENANCE AND OPERATION INSTRUCTIONS FOR HOIST AND ELEVATOR CONTROLS AT A TOWER GENERAL This operating standard outlines the procedure to be followed in maintaining and operating the hoist and elevator controls and equipment at a tower. The motor generator set is to be left rumning idle and the dc motor field coils energized at all times. The group or facility charged with the responsibility for the operation and maintenance of the hoist and elevator controls and equipment should have qualified personnel on call who will be instructed in case of a power failure to go immediately to the tower and restart the motor generator set. The power house "watch" is charged with responsibility of notifying the proper personnel upon power failures. DAILY OPERATION The operator shall make the following checks and tests of the unit each day and report immediately to his supervisor any variation from normal, who in turn will notify the Engineering Division.