PART 3 - MANDATORY SIGNS

EXAMPLES

Eye protection Safety helmet Ear protection

Must be worn Must be worn Must be worn

Respiratory equipment Safety boots Safety gloves

Must be worn Must be worn Must be worn

Safety overalls Face protection Safety harness

Must be worn Must be worn Must be worn

APPENDIX VI.

CODE SYSTEM

The function designed consists of two (2) or three (3) letters and a serial number.

The letter used are mainly taken from the ISA (Instrument Society of America) symbol list.

Example: T IA H

1st letter

T: Temperature

P: Pressure

L: Level

F: Flow, Frequency

DP: Differential Pressure

M: Motor

S: Speed revolution, Salinity

D: Density

V: Volume, Valve

W: Weight, Wattage

X: General failure

Z: Limit (or position)

2nd letter etc.

I: Indication

R: Recording

C: Control

A: Alarm

SL: SLow down

SH: SHut down

S: Switch

T: Transmitter

Last letter

L: Low

H: High

СОДЕРЖАНИЕ

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