This document outlines safety signs used in construction sites. It discusses the colors used - red, yellow, blue, and green - and their meanings of prohibition, hazard, mandatory, and safe conditions. Examples of different types of signs are provided, including prohibition signs indicating no access or smoking, hazard signs warning of falling debris or live wires, mandatory signs requiring hard hat areas or seat belts, and information signs locating first aid kits or exits. Safety signs may use multiple colors to indicate hazards that require mandatory actions. Overall guidelines for construction site safety are also outlined.
4. Red Colour.
• Prohibition
– A red circular band
with diagonal cross
bar on a white
background, the
symbol within the
circle to be black
denoting a safety sign
that indicates that a
certain behaviour is
prohibited.
NO
SMOKING
5. Yellow Colour.
• Hazard
– A yellow triangle with
black border and
symbol within the
yellow area denoting a
safety sign that gives
warning of a hazard.
Danger
High voltage
6. Blue Colour.
• Mandatory
– A blue circle with
white symbol denoting
a sign that indicates
that a specific course
of action must be
taken.
This is a hard
hat area
7. Green Colour.
• A green oblong or
square with symbol
or text in white
denoting a safety sign
providing information
about safe conditions.
First aid
box
8. Safety Sign Post With Multiple
Colours:
• A safety sign may show
more than one colour
on it sign post. That is,
it may indicate a
hazard and a mandatory
inscription which must
be obeyed or a hazard
with a prohibition
inscription or a safe
condition act to be
obeyed.
Danger
High voltage
Keep away
!
56. Examples Of Safety Sign Post
With Multiple Colours
Warning
risk of high noise levels
Ear protection must
be worn
57. SITE SAFETY
Under the Health & Safety at Work Act 1974 all persons entering this site must
comply with all regulations under this act.
All visitors must report to the site office and obtain permission to proceed on to the
site or any work area.
Safety signs and procedures must be observed and personal protection and safety
equipment must be used at all times
Construction work in progress.
Parents are advised to warn children of
the dangers of entering this site
Safety helmets must be worn
Unauthorised entry to this site is
strictly forbidden.
58. SITE SAFETY
Heavy plant and machinery
operate on this site.
Speed and parking restrictions
must be observed.
Vehicles must not enter the
site without the authority of
the site supervisor.
Unsupervised reversing in
and out of site is strictly
forbidden.
!