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
Universal Citation: 8 CA Code of Regs A
Current through Register 2024 Notice Reg. No. 38, September 20, 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 |
Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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