Concrete Pump checks on arrival to site
PRIOR TO SITE ACCESS
Formwork for decks for temporary support
Falsework to provide temporary support to formwork
Rebar Installation to bridge deck
Access of mobile pump and delivery trucks to work areas
Siting and setting up of concrete pump
Pumping concrete
(Pump Operator)
Pumping operation supervision
Dismantling of form-work
Striking of false-work
1. HEALTH SAFETY AND ENVIRONMENT Author: Approved:
RISK ASSESSMENT: ACT/HSE/RA 001 CASTING OF BRIDGE DECKS
Issued: Rev. Date:
Revision: 0
Page 1 of 3 HSEQ -Rev-01(Aug-2018)
No
Specific Task Step
(In sequence of
works)
Hazard Details Consequence/Risk
Initial Risk
Rating Control Measures Residual Risks
Additional Control
Measures
RR
L C RR
1
Concrete Pump
checks on arrival to
site
PRIOR TO SITE
ACCESS
Use of mobile
concrete pump
Unauthorized operation ofthe mobile
pump resulting in incident;
Failure due to use of un-certificated
pump;
3 4
12
HIGH
i. All mobile concrete pumps to be Third Party Certificated by a DM
approved inspector,documentation available on arrival to site;
ii. Operators to have in-date Third Party certificate by approved body,
available for review on arrival to site;
iii. Visual inspection of pump undertaken by competentperson;
Documentation
unavailable for
review
Pump quarantined until
evidence provided
Low
2. Formwork for decks for
temporarysupport
Erection of
formwork;
Works at Height;
Injury from Fall from Heights;
Injury from falling objects;
Manual Handling injuries;
Incorrect Design and Erection of
formwork resulting in collapse;
Use of unsupervised or untrained
personnel to erectformwork;
Erection of Formwork;
4 4
16
HIGH
i. If required for lifting formwork into position,use of mobile crane as per
RA012 – Mobile crane, or RA013 – Tower Crane as applicable;
ii. Safety harness and lanyard are to be used and hooked off to a secure
anchor pointwhen working around exposed edges; No shock lanyard to
be used below 6m in height;
iii. All hand tools to be tied off when working at heightover workers below;
iv. Correct manual lifting techniques offormwork communicated to workers;
v. The erection of temporary structures shall be undertaken under
supervision ofa competentperson under control of the designated
TemporaryWorks Supervisor in accordance with the TW designer’s
requirements;
vi. All formwork tie rods to be same design/make ofwing nuts and not allow
slippage under load,double nutin areas where a risk of collapse onto
workers under load is possible;
vii. Formwork to be supported following a suitable proprietarybracing
system as per design,inadequate or unsuitable fixings shall notbe used;
viii. Permitto load to be completed by TWC before loading of formwork;
ix. TemporaryWorks register to be completed by designated person and
available for review;
x. All workers to be briefed by supervision dailybefore shiftcommences;
xi. Area below clear of workers during erection,barriers and signage to be
implemented;
xii. Formwork to be inspected dailybefore work by designated Temporary
Works Co-ordinator;
xiii. Formwork inspected after damage or incidentlikelyto affect structural
stabilitysuch as high winds,heavy rain or electrical storm;
Project Name: xxx
RA Ref No.: xxx
RA compilation
Date:
02-01-2018 Review date:
Date:
Compiled by:
Reviewed by:
Approved by:
Overall Task Details
Casting ofConcrete road bridge decks using formwork and falsework
Relevant Applicable MAS:
01412 – Lifting operations cranes;
Additional Training required:
TemporaryWorks Coordinator nominated
NOC’s Required for task:
RISK SCORE CALCULATOR
Use the Risk Score Calculator to Determine the Level of Risk of each Hazard
What would be the
CONSEQUENCE
of an occurrence be?
What is the LIKELIHOOD of an occurrence? Hierarchy of Controls
Frequent/Almost certain (5)
Continuous or will happen
frequently
Often (4)
6 to 12 times a year
Likely (3)
1 to 5 times a year
Possible (2)
Once every 5 years
Rarely (1)
Less than once every 5
years
Can the hazard be Eliminated or removed
from the w ork place?
Catastrophic (5)
Multiple Fatalities
High 25 High 20 High 15 Medium 10 Medium 5
Can the product or process be substitutedfor
a less hazardous alternative?
Serious (4)
Class 1 single fatality
High 20 High 16 High 12 Medium 8 Low 4
Can the hazard be engineered aw ay w ith
guards or barriers?
Moderate (3)
Class2 (AWI or LTI) or Class 1
Permanently disabling effects
High 15 High 12 Medium 9 Medium 6 Low 3
Can Administration Controls be adopted
I.e. procedures, job rotation etc.
Minor (2)
Medical attention needed, no work
restrictions. MTI
Medium10 Medium 8 Medium 6 Low 4 Low 2 Can Personal Protective Equipment &
Clothing be w orn to safe guard against
hazards?Insignificant (1)
FAI
Medium10 Medium 4 Low 3 Low 2 Low 1
2. HEALTH SAFETY AND ENVIRONMENT Author: Approved:
RISK ASSESSMENT: ACT/HSE/RA 001 CASTING OF BRIDGE DECKS
Issued: Rev. Date:
Revision: 0
Page 2 of 3 HSEQ -Rev-01(Aug-2018)
No
Specific Task Step
(In sequence of
works)
Hazard Details Consequence/Risk
Initial Risk
Rating Control Measures Residual Risks
Additional Control
Measures
RR
L C RR
xiv. No overloading offormwork,TWC shall follow design SWL when
distributing materials;
3
Falsework to provide
temporarysupportto
formwork
Works at Height;
Manual Handling;
Injury from Fall from Heights;
Injury from falling objects;
Manual Handling injuries;
Incorrect Design and Erection of
falsework resulting in collapse;
Use of unsupervised or untrained
personnel to erectfalsework;
Erection of Falsework;
4 4
16
HIGH
i. Safety harness and lanyard are to be used and hooked off to a secure
anchor point;
ii. No shock lanyard to be used below 6m in height;
iii. All hand tools to be tied off when working at height;
iv. Falsework to be protected when adjacentto traffic routes with suitable
barriers,and indicated by signage;
v. Correct manual lifting techniques offalsework communicated to workers;
vi. The erection of temporary structures shall be undertaken bya competent
persons under control ofthe designated TemporaryWorks Supervisor in
accordance with the TW designer’s requirements;
vii. All workers to be briefed and TBT by supervision dailybefore shift
commences;
viii. Falsework shall be sited on graded,compacted,level ground erected to
standards,with consideration given to soil erosion from heavy rain etc.;
ix. Area below to be clear of workers during erection,barriers and signage to
be implemented;
x. Falsework to be inspected dailybefore work by designated Temporary
Works Co-ordinator;
xi. Written report weekly on falsework by Engineers,documentfiled;
xii. Falsework inspected after damage or incidentlikelyto affect structural
stabilitysuch as high winds,heavy rain or electrical storm;
xiii. No alterations to falsework by untrained persons;
xiv. No overloading of falsework,TWC shall follow design SWL when
distributing materials;
xv. Ensure good standard oflighting,at night, for the work area.
Extreme weather
conditions
(E.g.: Heavy wind,
Sand storm etc.)
Regular TBT’s & Trainings to
be given on working at heights.
Low
4 Rebar Installation to
bridge deck
Use of crane;
Lifting operations;
Manual Handling;
Persons underneath load struck by
falling materials;
Rebar bundles swinging /spinning
uncontrolled;
Damage to slings from sharp edges;
Over-sailing of material over
workers;
Burns/cuts from grinding equipment;
Injury from slips/trips on rebar;
3 3
9
MED
i. Risk Assessment12 – mobile Crane to be adhered to regarding lifting of
rebar bundles;
ii. Workers to wear gloves when tying rebar;
iii. Rebar to be stored correctly on deck to ensure safe access and high
level of housekeeping maintained;
iv. All electrical cutting equipmentto be tested and safe to use.Operators
shall wear safety glasses;
v. Hot work permitrequired when cutting rebar at height;
vi. Access planks to be laid on rebar to provide safe walking access to
workers,to be maintained as task progresses;
vii. Daily clean-up of waste material to a designated area or skip below;
viii. Safe access to be provided,such as scaffold stairs,to work area;
Low
5
Access of mobile pump
and delivery trucks to
work areas
Plant and workers in
same working area;
Collision with plantor vehicles and
live traffic;
Workers struck by plant, very high
risk of fatality;
Uncontrolled pump and truck
reversing;
3 4
12
HIGH
i. Worker pedestrian routes to be designed and implemented with clear
signage to provide segregation;
ii. Instruction to workers at induction on use of access routes around the
project;
iii. Flagmen to be used to control Pump and delivery truck movements;
iv. The Logistics plan shall clearlyillustrate pump access and egress points;
Workers not
complying with
flagmen
Regular topic in TBT’s Low
6 Siting and setting up of
concrete pump
Working in proximity
to existing structures
and services;
Overturning due to incorrectsiting or
incorrectpump outrigger extension;
Collision ofjib with overhead
services;
Blocking access routes with pump;
3 4
12
High
i. If required for concrete pump as per RA014 – Use of Concrete Pump;
ii. Ensure pump is setup/rigged outcorrectly, is on firm level ground as per
siting plan with outriggers fullyextended;
iii.Solid barriers should be situated,where practicable,to protect pump from
traffic routes around working radius ofcab;
Unable to fully
extend outriggers
due to restrictions
in area
Operation revised,pump
moved to new area;
Pump never used withoutfull
outrigger extension
Low
3. HEALTH SAFETY AND ENVIRONMENT Author: Approved:
RISK ASSESSMENT: ACT/HSE/RA 001 CASTING OF BRIDGE DECKS
Issued: Rev. Date:
Revision: 0
Page 3 of 3 HSEQ -Rev-01(Aug-2018)
No
Specific Task Step
(In sequence of
works)
Hazard Details Consequence/Risk
Initial Risk
Rating Control Measures Residual Risks
Additional Control
Measures
RR
L C RR
Jib striking stationarystructures; iv.Consideration given to overhead services and existing structures when
siting pump;
7
Pumping concrete
(Pump Operator)
Operator competency;
Pump planning;
High pressures;
Incidentdue to use of defective
hoses /equipment;
Concrete spillage;
4 5
20
HIGH
i. Pumping Plan to be completed prior to any pour taking place by
TemporaryWorks Coordinator;
ii. Method statements and risk assessments to be submitted and adhered to;
iii. Pump load indicator to be functioning correctly, and not to be overridden
under any circumstances;
iv. Operator to adhere to safe working load limits;
v. Daily inspections ofhoses,pipes,connections etc.prior to use.Damaged
equipment immediatelyremoved from service;
vi. Pump hopper guards to be in place at all times;
vii. Plastic sheeting placed under hopper to contain spills;
Machine
breakdown
Hydraulic fluid spill
Machine isolated and
quarantined until repaired.
Spoil removed and treated as
hazardous waste
Low
8
Pumping operation
supervision
Pumping operations
around workers;
Workers in pump
operating radius;
Reversing concrete
delivery vehicles;
Worker struck by delivery vehicle;
Hose swinging /spinning
uncontrolled;
Pump operator unable to see task –
high level pumping;
Over-sailing of material over live
traffic routes;
Use of concrete – protective gear;
Working on rebar – risk of injury;
3 5
15
High
ix. No over-sailing of hose over live traffic routes withoutroad closure;
x. Supervision to undertake visual inspection ofall pumping gear and
equipmentdaily;
xi. Workers to wear correct PPE at all times,nitrile gloves,wellingtons,
glasses;
xii. Flagmen controlling deliverytruck movements;
xiii. Spotters to direct pump operators athigh level in clear view at all times;
xiv. All concrete soaked workwear to be removed immediately;
xv. Planks placed on rebar for worker access,clear access maintained;
Incident– large
concrete spill
Work stopped,area cleared
and full investigation
undertaken
Low
9.
Dismantling ofform-
work
Works at Height;
Manual Handling;
Worker competency;
Injury from Fall from Heights;
Injury from falling objects;
Manual Handling injuries;
Use of unsupervised or untrained
personnel to dismantle formwork;
4 4
16
HIGH
i. A dismantling Method Statementshall be produced and approved before
dismantling is undertaken,to ensure safe removal;
ii. The formwork shall be systematicallyremoved as per approved Method
Statementand undertaken by competentpersons;
iii. No deviation from the Method Statementwill be undertaken withoutprior
TemporaryWorks Coordinator approval;
Workers not
adhering to
procedure;
Supervision to constantly
monitor workers; Low
10 Striking of false-work
Works at Height;
Manual Handling;
Injury from Fall from Heights;
Injury from falling objects;
Manual Handling injuries;
Use of unsupervised or untrained
personnel to strike formwork;
4 4
16
HIGH
i. A dismantling Method Statementshall be produced and approved before
dismantling is undertaken,to ensure safe removal;
ii. The falsework shall be systematicallyremoved as per approved Method
Statementand undertaken by competentpersons.
iii. No deviation from the Method Statementwill be undertaken withoutprior
TemporaryWorks Coordinator approval;
Workers not
adhering to
procedure;
Supervision to constantly
monitor workers; Low