Signal Meaning Type of signal
1 bell........................ Stop immediately if Executive
the hoist is in motion...............
1 bell following a Hoist................................ Executive
destination signal............
3 bells - pause - Hoist slowly......................... Executive
3 bells - pause - 1 bell
2 bells following a Lower................................ Executive
destination signal............
3 bells - pause - Lower slowly......................... Executive
3 bells - pause - 2 bells.....
1 bell - pause - 2 bells...... Chairing and Unchairing.............. Executive
3 bells....................... Men about to ascend or Cautionary
descend hoisting conveyance..........
5 bells....................... Release signal....................... Cautionary
9 bells....................... Danger signal........................ Cautionary
SHAFT SINKING/BUCKET
3 bells - pause - 1 bell...... Hoist................................ Executive,
between the
bottom of
the shaft
and the
lower chair
3 bells - pause - 2 bells..... Lower................................ Executive,
between the
lower chair
and the
bottom of
the shaft.