This document outlines the steps and associated risks involved in replacing a wind sock on a water tank. It identifies hazards at each step such as falls, manual handling injuries, and dropped objects. Control measures are provided to reduce the risks, such as using ladders safely, carrying tools carefully, and barricading work areas. The overall risk is reduced from high to medium after implementing the control measures.

1. TRA for installation/replacement of wind sock on DW Tank A
Baseline
Risk
Residual
Risk
No. Task Steps Hazard Likely
consequences
S P R Control
Measures
S P R
01 Mobilization
of tools and
equipment
(a) Manual
Handling
(b) Blocked
walkways,
exits etc.,
(a) Musculo
Skeletal
Disorder
(b) Slip,trip,fall
– Contact injury
3
3
3
2
9
6
(a) Use buddy
system, follow
proper manual
handling
techniques.
(b) Keep all
walkways / exits
clear of any
obstacles where
practical. Use
warning signs
3
3
1
1
3
3
02 AccessingDW
tank
(a) Trip /
Fall
(b) Work
at height
(a) Injuries to
persons
(b) Dropped
objects,fall
fromheight
3
5
3
3
9
15
(a) Use 3 point
contact while
usingladders.
Stopthe jobif it
rains
(b) Use tool bags
for carrying
tools, do not
place loose
materials on
gratings,
barricade the
workarea where
applicable, and
do not lean over
guardrails.
3
5
1
1
3
5
03 Removingthe
scaffolding
pole andfixing
windsock
(a) Workat
height
(a) Dropped
objects, fall
from height
5 3 15 (a) Use tool bags
for carrying
tools, do not
place loose
materials on
gratings,
barricade the
5 1 5

2. (b) Hand
tools
(b) Puncture /
abrasion
3 2 6
workarea where
applicable, and
do not lean over
guardrails.
(b) Use right
tools for right
job, use CR
gloves
3 1 3