Severity
NLWD 1
LWD 2
Fatal /
3
amputation
Probability
Rarely occur 1
Frequently
2
occur
Will occur 3
Risk ranking
1,2 C
3,4 B
6,9 A
Risk rating
3 3 6 9
2 2 4 6
1 1 2 3
1 2 3
Risk Assessment For Erection of Rafters & Beams
Contractor: M/s Kirby Building Systems & structures India ltd.,
PROJECT: TEPL
Date:28/07/2023 RA.No-03 & 04
RISK RATING
Sl No MAIN ACTIVITY SUB ACTIVITY PROBABLE HAZARD RISK Severity Probability Risk rating RISK RANKING
r=
s p sxp
Positioning of crane for
Erection
Erection of rafter jack
Rafter/beams/bracin crane tipping due to
1 beams by heavy major injury 3 3 9 A
gs by heavy unlevelled surface area.
equipment (telescopic
equipment (crane)
crane)
RA/KIRBY
1.Material/farana may hit to
Assembly the rafter to
person
the lifting area with help major injury 3 3 9 A
2.Farana may topple
of Farana
Fixing of life line on Faliure of lifeline and slack in
major injury 3 3 9 A
rafter with life line post. the life line
RA/KIRBY
1)Lack of awareness for
Slinging of structural slinging
injury 3 1 3 B
members 2)Pinch Points
1)Failure of lifting crane &
lifting tools & tackles.
Lifting of rafter & beams 2)Lifting Material may fall
major injury 3 3 9 A
by crane 3)Weather condition
4)Over head powerlines
RA/KIRBY
1)Rafter may fall
Fixing of Rafter &
major injury 3 3 9
beams
2)Bolts may fall while fixing
RA/KIRBY
1)MEWP may topple
Access & Egress for De-
2)Failiure of MEWP
sling the rafter & beams major injury 3 3 9 A
by MEWP 3)Fall of men/material
RA/KIRBY
1.Pinch points during desling
De-slinging of 2.Fall of material(fall of sling
injury 3 1 3 B
Rafter/Beams during desling)
Prepared by: Checked by:
3)Weather condition
RA/KIRBY
Location :JASMINE PLANT( WAREHOUSE / UTILITY / NP1)
Revision No:00
Revised Date:
REVISED RISK RATING
REVISED
COUNTERMEASURE Severity Probability Risk rating RISK RANK
r=
s p sxp
01)Ensure proper ground clearance(compacted area)for crane movement &
positioning of crane for lifting of structural members.
02)Base plate to be provided for outrigger.
03)Only CLIENT certified farana/crane shall be used this process.
04)The farana/crane operator have Valid License. 3 1 3 B
05)Ensure flag man while take reversing with red &
green flag.
06)Barricading the work area & display the sign boards to prevent
unauthorized persons entry.
RA/KIRBY
01)Only CLIENT certified farana/crane shall be used this process.
2)Ensure valid third party test certificate(TPI) of lifting equipment & lifting
gears
3)Ensure Competent & experienced operator.
4)Ensure
rubber packing’s to protect the sling & material fall. 3 1 3 B
5) Ensure the ground and access
is leveled and compacted properly.
6) Two dog man shall be appointed for
guidance the material/farana while unloading.
7)Provide tag lines at least 3m length.
01)Ensure life line post properly welded with rafter or bolted on
rafter.Checking responsibility - Site supervisor/safety officer
02)Ensure certified life line
ropes(8mm wire rope). with proper u clamps will be
used.
03)Life line sag not more than 15degree. 1 3 3 B
04)Daily life line inspection done by safety officer &
maintain the register.
05)Life line Load test will done after erection with presence of
client/consultant.
06)Only trained and experienced persons shall be engaged in the specific
task.
07)Tool box talk(tbt)to be conducted by site supervisor.
RA/KIRBY
01)Engage trained & experienced rigger for this specific job. 2 1 2 C
02) Safe method of slinging should be discussed in daily tool box talk.
03)Ensure to worn hand gloves during slinging
01)Ensure third party test certificate of crane and lifting gears by competent
person.
02)Ensure
inspection checklist for crane as per schedule.
03)Before starting the activity inspect visually the lifting tools & tackels
by supervisor.
04)Provide packings to protect the lifting slings.
05)Engage
competent operator and signal man.
06)Appoint one PICOLO (Person Inchrge Of Lifting and rigging
Operation)for guidence of the lifting and rigging activity. 3 1 3 B
07)Before starting the activity ensure the lifting plan approved by CLIENT
08) Lifting plan shall be available at point of work.
09)Ensure tag lines.
10)Barricading the
work area & display the sign boards to prevent unauthorized persons entry.
11)Ensure valid work permit before starting the activity.
12)Before starting the activity ensure there is no power line on erection
area.
13)NO lifting activity during rain or wind speed is more than 25km/h.
RA/KIRBY
01) Trained & experienced person deployed to the specific job.
02) Unauthorized person not allowed
standing under suspended load.
03) Use guide
ropes to adjusting the rafter while setup the rafter in between the two
column. 04)
Crane shall hold the rafter up to fixing the bolts.
05) Workmen access area should clear from
obstruction. 06) Cut
resistant gloves provided while handling the stay wire to avoid cut injury. 3 1 3 B
07) Stay
wire fixed with D'clamps on top of the rafter.
08) While fix the
first rafter minimum two stay wires provided to hold the rafter.
09) Tie the stay
wire to adjacent column.
10)When fix the second rafter stud tubes & roof purlin to be fixed for
stability of rafters
RA/KIRBY
01)use cherry picker (Competent person certified).
02)Ensure competent & experienced operator.
03)Ensure levelled & compacted area for MEWP placement & movement.
04)Ensure signal man with flag
while moving of MEWP
05)Ensure anchoring the double
lanyard full body harness with MEWP & ensure TPI for safety harness.
06) Ensure safety inspection check sheet for boomlift before strting the job.
07)Ensure periodical maintenance as per manufacturer guidelines.
08)use ppe (Helmet, jacket , goggles, hand gloves, safety shoe)
09)Engage trained
persons for the specific job. 10)Ensure to worn 3 1 3 B
double lanyad full body safety harness & anchoring provision.
11)Barricade the working
area & display the sign boards to prevent unauthorized persons entry.
12) All tools should be properly tied to prevent fall,tag lines must be
provided.
13)Height work trained persons only allowed to work at height & height
work pass also issued to workers from CLIENT.
RA/KIRBY
1)Before starting desling ensure rafter bolting & atleast two sides stay wires
are tied properly for stability of rafer.
2)Ensure one of the crane hold the rafter up
to erection of second rafter.
3)Trained & expericed rigger only handled the the job. 2 1 2 C
4)Safe method of
De'slinging must be discussed in daily toolbox talk.
5)Ensure hand gloves during deslinging
6)Ensure don’t through the sling from height.
7)Sling brought down with help of MEWP or use tag lines.
Checked by: Reviewed by: Approved by:
4) Ensure the load is slowly dropped and unloaded on the
packing material. 5) Material is to be stacked to
avoid collapse or fall on wooden sleepers
RA/KIRBY
