California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 13 - Logging and Sawmill Safety Orders › Appendix A - Whistle-Signals

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The following standard signals shall be adopted and used
					 for the type of operation listed. If a standard signal is not listed to cover
					 an unusual or new situation, a new signal may be adopted and used for that
					 specific situation.
HIGH-LEAD LOGGING WHISTLE
								SIGNALS
1
							 short.............................................................................................................
.......................... Stop all lines
3 short--3
							 short..............................................................................................
..........................
							 Ahead slow on mainline
3
							 short............................................................................................................
.......................... Ahead on mainline
2
							 short............................................................................................................
.......................... Ahead on haulback
2 short--2
							 short..............................................................................................
..........................
							 Ahead slow on haulback
3 short--1
							 short..............................................................................................
..........................
							 Ahead on strawline
3 short--1 short--3
							 short................................................................................
..........................
							 Ahead slow on strawline
4
							 short............................................................................................................
.......................... Slack mainline
2 short--4
							 short..............................................................................................
..........................
							 Slack haulback
3 short--1 short--4
							 short................................................................................
..........................
							 Slack strawline
3 short--2
							 short..............................................................................................
.......................... Tight line
3
							 short............................................................................................................
..........................
							 When rigging is in:strawline back on haulback
3 short plus "X" number of
							 shorts...............................................................
..........................
							 When rigging is in: Indicates number of sections of strawline back on
							 rigging
3 short--1 short--2
							 short...............................................................................
..........................
							 Strawline back on rigging
1
							 short............................................................................................................
..........................
							 When rigging is in: Chaser inspect and repair rigging
2
							 short............................................................................................................
.......................... When rigging is in: No chokers back
2 short--1 short plus "X" number of
							 shorts............................................................................................................
.......................... Number chokers back
2 short--4
							 short.............................................................................................
.......................... When rigging in: Slack haulback-- hold all
							 lines until 2 short blown
3
							 medium.........................................................................................................
..........................
							 Hooker
3 medium--4
							 short.......................................................................................
..........................
							 Hooker and his crew
5
							 long............................................................................................................
.......................... Climber
4
							 long............................................................................................................
.......................... Foreman
1 long--1
							 short............................................................................................
..........................
							 Start or stop work
7 long--2
							 short.............................................................................................
..........................
							 Man injured, call transportation and stretcher
1 long--1 short
							 repeated.............................................................................
..........................
							 Fire
GRABINSKI SYSTEM
2 short--1
							 short..........................................................................................
..........................
							 Slack mainline and haulback together
2
							 long...........................................................................................................
..........................
							 Take off or put on rider block
SLACK LINE WHISTLE
								SIGNALS
2 short--2 short--2
							 short............................................................................
..........................
							 First cable up when road has been changed and tail hold made fast
2 short--2 short--2
							 short............................................................................
..........................
							 Drop skyline
1
							 short..........................................................................................................
..........................
							 Stop any moving line
1
							 long............................................................................................................
.......................... When logging, slack skyline
2
							 short............................................................................................................
.......................... Ahead on skyline
1 long--2
							 short...............................................................................................
..........................
							 Ahead easy on skyline
3
							 short............................................................................................................
.......................... Ahead on skidding line, holding
							 haulback
3 short--3
							 short..............................................................................................
..........................
							 Ahead easy on skidding line with slack haulback
4
							 short............................................................................................................
.......................... Slack skidding line
2 short--2 short--repeated
							 once...................................................................
..........................
							 Ahead easy on haulback with slack skidding line
2 short--2
							 short..............................................................................................
..........................
							 Ahead on haulback
2 short--2 short--4
							 short.................................................................................
..........................
							 Slack haulback
2 short--pause--3
							 short..................................................................................
..........................
							 Pick up skyline and skid
2 short--pause--2 short--2
							 short......................................................................
..........................
							 Pick up skyline and skid
3 short--1
							 short...................................................................................................
..........................
							 When carriage is in: strawline back on haulback
3 short--1 short--2
							 short.....................................................................................
..........................
							 When carriage is in: strawline back on carriage
3 short--1
							 short..................................................................................................
..........................
							 When strawline is out: ahead on strawline
3 short--2
							 short...............................................................................................
..........................
							 Tight line
3 short--1 short--4
							 short................................................................................
..........................
							 Slack strawline
3 short--1 short--3
							 short...................................................................................
..........................
							 Pull easy on strawline
2
							 long............................................................................................................
.......................... Ahead on transfer
2 long--4
							 short...................................................................................................
..........................
							 Slack transfer
2 long--2 short--2
							 short....................................................................................
..........................
							 When carriage is in: transfer back on carriage
1 long--1
							 short..................................................................................................
..........................
							 When carriage is in: number of coils
2 short--2 short--1 or more short
							 spaced............................................................................................................
.......................... When carriage is in number of chokers
1
							 short............................................................................................................
.......................... When carriage is in: inspect rigging,
							 repair, and send back
2 short--2 short--4
							 short.....................................................................................
..........................
							 When carriage is in: slack haulback and hold all lines until 1 short is blown;
							 then send back
3 short--3
							 short.................................................................................................
..........................
							 When carriage is in: send back powder
5
							 medium............................................................................................................
.......................... Tail rigger
5 medium--4
							 short..............................................................................................
..........................
							 Tail rigger and his crew
3
							 medium............................................................................................................
.......................... Head hooker
3 medium--4
							 short..............................................................................................
..........................
							 Second hooker and his crew
5
							 long............................................................................................................
..........................
							 Climber
4
							 long............................................................................................................
.......................... Foreman
1 long--1
							 short..................................................................................................
..........................
							 Start or stop work
7 long--2
							 short....................................................................................................
..........................
							 Man injured, call transportation and stretcher
1 long--1 short
							 repeated...................................................................................
..........................
							 Fire
SKIDDER WHISTLE SIGNALS
1
							 short............................................................................................................
.......................... Stops moving carriage. Stops or goes ahead
							 on slack puller as case may be, if carriage is stopped
2
							 short............................................................................................................
.......................... Go ahead on skidding line holding
							 carriage
1 short--2
							 short...................................................................................................
..........................
							 Pick up skidding line, easy
2 short--1
							 short...................................................................................................
..........................
							 Shake up carriage to clear choker
2 short--2
							 short..................................................................................................
..........................
							 Ahead on receding line
3
							 short............................................................................................................
.......................... Ahead on carriage, holding at present
							 level, using interlock
2 short--3 short--3
							 short.....................................................................................
..........................
							 Ahead easy on skidding line
2 short--2 short--2
							 short.....................................................................................
..........................
							 Slack skyline, cable down
2 short--2 short--2 short--1
							 short...................................................................
..........................
							 Pick up skyline, cable up
2 short--2 short--4
							 short....................................................................................
..........................
							 Slack receding line
2 short--4
							 short................................................................................................
..........................
							 Slack skidding line
2 short--2 short--1
							 short....................................................................................
..........................
							 Tighten all lines
1 short--4
							 short..................................................................................................
..........................
							 Slack off slack puller
1 short--2
							 short................................................................................................
..........................
							 Pick up slack puller when slack
2 short--2 short--1
							 short......................................................................................
..........................
							 When carriage is in: to be used for number of chokers wanted
2 short--2 short--1
							 long......................................................................................
..........................
							 To be used for bull choker
1
							 short............................................................................................................
.......................... When carriage is in: inspect butt
							 rigging
2 short--4 short--1
							 short....................................................................................
..........................
							 For each additional 10 feet of long line
1 long--1
							 short............................................................................................................
..........................
							 Number of coils of strawline wanted
5
							 medium............................................................................................................
.......................... Tail or second rigger
5 medium--4
							 short...............................................................................................
..........................
							 Tail or second rigger and his crew
2
							 medium............................................................................................................
.......................... Skidder head rigger
3 medium--4
							 short...........................................................................................
..........................
							 Hooker and his crew
2
							 long............................................................................................................
.......................... Ahead on transfer
2 long--4
							 short.................................................................................................
..........................
							 Slack transfer
1 short--3
							 short................................................................................................
..........................
							 Ahead on carriage with slack puller line
1
							 long............................................................................................................
.......................... Ahead on strawline
1 long--4
							 short..............................................................................................
..........................
							 Slack strawline
1 long--3
							 short................................................................................................
..........................
							 Ahead easy on strawline
5
							 long............................................................................................................
.......................... Climber
4
							 long............................................................................................................
.......................... Foreman
1 long--1
							 short...............................................................................................
..........................
							 Start or stop work
7 long--2
							 short...............................................................................................
..........................
							 Man injured, call transportation and stretcher
1 long--1 short
							 repeated.............................................................................
..........................
							 Fire
RUNNING SKYLINE WHISTLE
								SIGNALS
1
							 short............................................................................................................
.......................... STOP or DROP dropline
2
							 short............................................................................................................
.......................... Go ahead on dropline
1 short--2
							 short...............................................................................................
..........................
							 Go ahead on dropline EASY
2 short--2
							 short................................................................................................
..........................
							 Ahead on haulback
3 short-3
							 short................................................................................................
..........................
							 Ahead on mainline
3
							 short............................................................................................................
.......................... Ahead on mainline EASY
2 short--2 short--2
							 short.....................................................................................
..........................
							 Slack carriage
2 short--2 short--1
							 short................................................................................
..........................
							 Tight line
1
							 long............................................................................................................
.......................... Ahead on strawline
1 long--4
							 short...............................................................................................
..........................
							 Slack strawline
1 long--3
							 short..................................................................................................
..........................
							 Ahead EASY on strawline
3
							 short............................................................................................................
.......................... When carriage in: strawline back on
							 haulback
1 long--1
							 short...................................................................................................
..........................
							 START or STOP WORK
4
							 long................................................................................................................
..........................
							 FOREMAN
2 short--2 short--plus "X"
							 shorts.......................................................................
.......................... When carriage is in, number of chokers
							 WANTED
1 long--1 short--plus "X"
							 ..................................................................................
.......................... Number of strawline sections WANTED