Erection of Tower Crane Risk Assessments.xlsx

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R
1	ADVENT ENVIROCARE TECH OLOGY PVT LTD
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3	Ref. No.: AETPL 02					Date:	8/22/2022
4	Rev.No.: 00					Page no.	01 of 01						AETPL/HIRA/10
5	Hazard Identification & Risk Assessment Format
6	Activity: Tower crane operation & maintenance
7	Sr. No.	Activity	Hazard	Issues (Internal/External)	Risk ( Probable Outcome)	Existing Control	Legal Yes/No	Risk Assessment existing Control Measures			Significant (S) / Non-Significant (NS)	Additional Control Measure	Risk Assessment additional Control Measures			Ref. Of WI/ SOP :-	Opportunities & Action	Remark
8	Sr. No.	Activity	Hazard	Issues (Internal/External)	Risk ( Probable Outcome)	Existing Control	Legal Yes/No	Probability(P)	Severity(S)	Risk Level (H/M/L) :	Significant (S) / Non-Significant (NS)	Additional Control Measure	Probability(P)	Severity(S)	Risk Level (H/M/L) :	Ref. Of WI/ SOP :-	Opportunities & Action	Remark
9	1	Operation of Tower crane	Deployment of unauthorized crane operator	Internal	1. Property Damage 2. Major injury	1. Only operator who are trained and capable to work at height will be employed to operate the crane 2. Only authorized operators will be allowed to operate crane. 3. Ensure medical fitness of operator.	Yes	P3	S4	H	S	1. Check competency & experienced certificate of tower crane operator. 2. Display Name, contact number with photograph of operator on Tower Crane. 3. Health check up will be carried out for operator as per GPL requirement. 4. Ensure vertigo test. Conduct induction training for operator. 5. Conduct training on height work, tower crane operation safety.	P2	S4	M		Nil
10			Crane operation without TPI by competent person	Internal	1. Crane failure 2. Load failure 3. Property damage	1. On completion of erection, before being taken into use, the tower crane shall be tested and examined by a competent examiner in accordance with the statutory requirements. Before these tests and examinations are carried out, a visual inspection of the crane shall be done by the Mechanical In charge supervising the erection, followed by functional checks. 2. Ensure area barricading while load test		P3	S4	H	S	1. Check competency certificate of competent person. 2. Thorough inspection and load test of tower crane to be done by competent person at every six month. 3. Pre inspection to be done as per checklist (Ref No.: GPL/SAF/CH/TCRN/R0) 4. Weekly inspection to be done for tower crane as per checklist (Ref No.: GPL/SAF/CH/TCRN/R0)	P2	S4	M		Nil
11			Unsafe access for crane	Internal	1. Falling from height 2. Injury	1. Provide safe access to reach tower crane ladder.		P3	S3	H	S	1. Ensure adequate illumination for access (Min. 50 Lux)	P2	S3	M		Nil
12			Crane operation without functional check	Internal	1. Load failure 2. Property damage 3. Major injury	1. A functional check of the crane should be carried out under no load conditions to ensure the correct operation of all motions, limit switches and brakes. These checks to be repeated repeated again with a light load on the crane. 2. On all capacity or near capacity loads, the hoist brakes should be tested by returning the motor switch or push button to the OFF position after raising the load a few inches off the floor. If the hoist brakes do not hold the load should be set on the floor and the crane not further operated. 3. Ensure availablity of all labels and decals on boom.		P4	S4	H	S	1. The defect found during functional check to be reported immediately to themechanical in charge. 2. All signs labels and decals on the crane must be in a language (normally English) that is readily understood by the operator. 3. Obtain work permit. Daily tower crane inspection checklist shall be followed strictly.	P2	S4	M		Nil
13			Absence of lifeline & fall arrestor for ladder	Internal	1. Person falling from height 2. Fatal	1. Provide vertical lifeline & fall arrestor for tower crane ladder. 2. Ensure use of full body harness while climbing ladder.		P4	S4	H	S	1. Inspect lifeline, fall arrestor & safety harness regularly 2. Conduct training on height work & ladder safety 3. Ensure PPE's like Safety helmet, safety shoes, reflective jacket & full body safety harness.	P2	S4	M		Nil
14			Incompetent signalman	Internal	1. Hit by load due to poor signalning - Major injury, property damage	1. Ensure trained & experienced signalman. 2. Conduct induction training. 3. Ensure medical fitness of signalman. 4. Conduct training on signaling for both operator & signalman. 5. Only signalman will give the signal to avoid confusion.		P3	S3	H	S	1. Standard crane signal board will be displayed on tower crane 2. Standard signal code to be followed. 3. Copies of the standard signal code should be issued to all crane operators, signalman and any other persons concerned. 4. Ensure authorization certificate of signalman 5. PPE colour code to be followed for signalman 6. Conduct training on how to use walky-Talky 7. Display signalman (Name, contact no. & photograph) details on tower crane.	P2	S3	M		Nil
15			Suspended Load	Internal	1. Hit by load 2. Major injury	1. Signalman should be available at unloading point to warn worker about job. 2. Conduct Tool Box Talk on hazards & risk associated with crane operation. 3. At no time a load should be held suspended from the crane with the power "ON" unless the operator is at the operator's switch. Under this condition the load should be kept as close as possible. v. The area should be clear and all persons in the area aware when load is lifted. This is to be ensured by a warning signal while lifting, lowering & while moving		P4	S4	H	S	1. Ensure supervision. 2, Ensure presence of signalman.	P2	S4	M		Nil
16			Hanging slings in crane hook while not in use	Internal	1. Hit by sling 2. Injury	1. All slings should be removed from the crane hooks when not in use.		P3	S3	H	S	1. Conduct TBT for riggers & signalman.	P2	S3	M		Nil
17			Damaged lifting tools & tackles	Internal	1. Personal Injury 2. Failure of load 3. Property damage	1. Only third party inspected tools & tackles to be used at site. Inspect tools to check any damage. 2. Inspect tools & tackles regularly before use		P4	S4	H	S	1. Check TPI certificate (Form 11). 2. Inspection colour code to be applied on tools & tackles quaterly. 3. Display inspection colour code chart of tools & tackles 4. Thorough inspection and load test of lifting tools & tackles to be done by competent person at every six month.	P2	S4	M		Nil
18			Overloading of crane & lifting tackles	Internal	1. Major injury 2. Failure of load 3. Property damage 5. Adverse effect on crane stability	1. Check SWL of all crane & lifting tackles before lifting to avoid overloading. 2. Check functioning of limit switch regularly 3. Lifts should not be attempted beyond the rated load capacity of the crane, slings etc. 4. All operations should be carried out in accordance with the manufacturer’s operating instruction manual. 5. The rated capacity of a crane should not be exceeded, except when testing the crane under the supervision of a competent person. 6. Ensure trained rigger for slinging activity.		P3	S4	H	S	1. Ensure SWL is clearly visible on all lifting tools & tackles 2. Ensure manufacturer load chart in operators cabin. 3. Follow instructions & standards safe practices of manufacturer of a tower crane. 4. Conduct training for crane operator, signalman & riggers to aware about crane SWL. 5. Ensure functioning of buzzer while overloading provided with blinking light in operator cabin.	P2	S4	M		Nil
19			Collision of tower crane with adjacent tower cranes/ buildings/ loads	Internal	1. Damage to structure, tower crane 2. Collapse of tower crane 3. Serious Injury/ Fatality	1. Tower cranes shall be fitted with anti collision device (ACD). 2. Ensure competent operator and signalman deployed for the job. 3. Periodical training to tower crane operators and signalaman.		P2	S2	M	S						Nil
20			Adverse whether conditions	Internal	1. Poor visibility 2. Hit by load 3. Major injury 4. Load failure	1. If the visibility or range of sight of the operator is impaired by adverse weather conditions, appropriate crane operations should be temporarily suspended.		P2	S4	H	S	1. Ensure strict supervision in case of adverse whether condiction. 2. Crane operation to be resumed if visibility is clear to operator.	P2	S4	M		Nil
21			Absence of aviation lamp	Internal	Collision by passing aircraft	1. Provide aviation lamp as collision avoidance measures which should be visible to passing aircraft		P3	S4	H	S	1. Aviation lamp to be kept on during night as well as day 2. Ensure regular inspection of aviation lamp to check functioning.	P2	S4	M		Nil
22			Absence of lightening arrestor	Internal	Electrocution during lightening	1. Provide lightening arrestor at the top of tower crane 2. Provide separate earthing for lightening arrestor		P3	S3	H	S	1. Ensure regular earth resistance inspection by authorized electrician.	P2	S3	M		Nil
23			Poor illumination	Internal	1. Poor visibility 2. Hit by load 3. Major injury 4. Load failure	1. Provide LED light on boom. 2. Ensure sufficient illumination in lifting area.		P3	S4	H	S	1. Ensure regular illumination inspection at site by Lux meter.	P2	S4	M		Nil
24			Working in hot weather	Internal	Fatigue	Ensure that the fan is provided in the operators cabin.		P3	S3	H	S	Ensure rest if required	P2	S3	M		Nil
25			Excess of wind speed than specified in the operating instructions for the crane.	Internal	1. Adverse effect on crane stability 2. Swinging of load 3. Property damage 4. Fatal	1. Crane should not be operated in wind speeds that are in excess of those specified in the operating instructions for the crane. 2. Care should be taken to prevent pendulum swinging of the load, by careful control of the operating motions to match the swing of the load and to keep it under control at all times. 3. Install anemometer to measure wind speed.		P3	S4	H	S	1. Before a crane is taken into use after exposure to weather conditions likely to have affected the stability of the crane, the crane's anchorage or ballast shall be tested by a competent examiner. 2. Follow manufacturer manual to check wind speed limit beyond which crane operation to be stopped. 3. Follow manufacturer manual safety instructions to be followed in case of heavy wind speed.	P2	S4	M		Nil
26			Pulling load by side/Dragging load out of the vertical position	Internal	Disturby stability of crane, stress into the crane	1. The crane hoisting ropes should be kept vertical. 2. Crane must not be used for side pulls. 3. The hoisting, slewing, traversing, luffing or travelling motions of a crane should not be used to drag any load along the ground with the hoist rope out of the vertical position. 3. Before lifting a load, the hoist line should be plumb. 4. The crane should be centered over the load before starting the hoist to avoid swinging of the load as lifting starts. Load should not be oscillated by cranes to reach areas not under or within reach of crane.		P3	S3	H	S	1. Conduct daily TBT 2. Ensure supervision.	P2	S3	M		Nil
27			Tower crane swinging over public road outside project boundary with suspended load	External	1. Fall of suspended load over public	1. Tower crane operator shall first take trolley inside project boundary while the crane is swinging with suspended load. 2. Proper communications shall be ensured between operator and signalman.		P2	S1	L							Nil
28			Imbalanced load	Internal	Serious Injury	1. Balance & secure the load before lifting itself. 2. Provide guide rope.		P3	S3	H	S	1. Signalman to ensure balancing of job before lifting.	P2	S3	M		Nil
29			Loose Material	Internal	1. Fall of Material 2. Major Injury 3. Property damage	1. Same size of material to be lifted. 2. Ensure Proper tying of material by rope. 3. Do not lift or unload the material without signaling by authorized Signalman.		P3	S3	H	S	1. Signalman to ensure for loose materials are secured properly. 2. Periodical training should be conducted for crane operator and singnalman	P2	S3	M		Nil
30			Handling of load near person	Internal	1. Failure of load 2. Major injury	1. Loads must not be carried over people; especially heavy loads carried / transport/ lift over a long radius. 2. When loads have to be handled in the vicinity of persons, extreme care should be exercised and adequate clearances required. 3. The route of the load should be planned to prevent lifting over persons. 4. Operators and signal-man should pay particular attention to possible dangers of persons working out of vision. 5. All persons should be instructed to stand clear of the load being lifted. 6. When lifting from a stack, all persons should be instructed to stand away from the stack in case adjacent materials or objects are displaced.		P3	S3	H	S	1. Ensure presence of signalman at loading & unloading location.	P2	S3	M		Nil
31			Moving load above public road or nearby society	Internal	1. Property damage 2. Fall of material	1. Handling of load above public road/nearby society must be avoided.		P3	S3	H	S	1. Conduct TBT for crane operator & signalman to aware about restricted area beyond site premises.	P2	S3	M		Nil
32			Leaving crane cabin without inspection	Internal	1. Malfunctioning of crane	Before leaving the crane the operator should perform the following: a. Raise all hooks to an intermediate position. b. Spot the crane at an approved designated location c. Place all controls in OFF position. d. Open the main switch to the OFF position. e. Make visual check before leaving the crane.		P3	S3	H	S	1. Ensure regular verification by mechanical In charge.	P2	S3	M		Nil
33			Obstruction of Electrical lines/other structures in movements	Internal	1. Property damage 2. Hit by boom/load 3. Serious Injury 4. Electrocution	1. The load should be checked & to be assured that it is lifted high enough to clear all obstructions and personnel when moving. 2. All overhead power cables to be highlighted with reflective tape & warning sign boards. 3. Ensure sufficient height of crane to avoid hitting with adjacent structure.		P3	S4	H	S	1. Carry work under supervision. 2. Conduct TBT to aware crane operator & signalman about overhead power cables.	P2	S4	M		Nil
34			Absence of support for tower crane	Internal	1. Failure of tower crane 2. Property damage 3. Fatal	Ensure to guy or support the tower crane after its free standing height as recommended by manufacturer. When tensioning the guys, ensure that the pull is even on each and that the tower remains perfectly plumb. Ensure also that blocking is installed in the tower to support the guys and to prevent the tower from being damaged.		P3	S4	H	S	1. Obtain approval from structural consultant before fixing tower crane supports on building structure. 2. Follow manufacturer manual to provide supports.	P2	S4	M		Nil
35			Unsafe electrical connections	Internal	1. Short-circuit 2. Fire	1. Ensure all electrical connections by authorized electrician only. 2. Ensure fire extinguisher in operator cabin		P3	S3	H	S	1. Ensure regular electrical inspection. 2. Ensure regular inspection of fire extinguisher. 3. Conduct training on operation of fire extinguisher	P2	S3	M		Nil
36			Irregular maintenance of crane	Internal	1. Failure of load 2. Property damage 3. Major injury	1. Preventive maintenance of crane to be done as recommended by manufacturer manual. 2. Regular visual inspection to be done. In the visual inspection, particular care should be taken to ensure the following: • All bolts and locking devices are correctly positioned and secured. • The load/radius indicator and automatic safe load indicator are correctly fitted. • Access ladders, safety platforms and walkways are in position and secure; and ropes are correctly reeved and all machinery guards are in place.		P3	S4	H	S	1. Maintain register to record maintenance details 2. Check functioning of anemometer 3. Ensure physical inspection of lightening arrestor. 4. Ensure physical inspection to check continuity of body earthing of tower crane, electrical panel & lightening arrestor earthing. 5. Ensure proper chambers of earth pits, availability of covers on chambers & display of earth resistance boards. 6. Ensure quaterly earth resistance check of all earth pits.	P2	S4	M		Nil
37			Confusion in case of emergency	Internal	1. Falling from height	1. Training to be conducted on emergency prepardness & response 2. Conduct training on operation of fire extinguisher.		P2	S3	M	S	1. Conduct mock drill to check effectiveness of emergency prepardness & response training. 2. Display emergency contact number list in operator cabin.	P2	S3	M		Nil
38			Continue work without rest to operator	Internal	Fatigue	Ensure that two operators will be deployed separately for day and night work.		P3	S3	H	S	Display day and night operator details.	P2	S3	M		Nil
39			Defective limit switches	Internal	Fall of Material Personal Injury	1. Operator to check working of limit switch before start job. 2. Electrical limit switches or warning devices should never be by passed. 3. Upper limit switches and lower limit switches should be tested in stopping the hoist at the beginning of each shift or as frequently as may be directed.		P3	S3	H	S	The crane should not be operated if limit switches are out of order or if ropes show defects or wear. xvi. Crane operators should not use limit switches to stop the hoist under normal operating conditions. (These are emergency device and should not be used as operating controls). xvii. Limit switch should not be blocked adjusted or disconnected in order to go higher than what switch will allow.	P2	S3	M		Nil
40	2		Faulty limit switches	Internal	Personal Injury & property Damage	Ensure limit switches are functional		P3	S3	H	S	Ensure pre inspection of mobile crane before work start.	P2	S3	M		Nil
41			Damaged or uncertified lifting tools and tackles	Internal	Personal Injury & property Damage	1. Ensure that all lifting tools and tackles will be certified by competant person (Form XI) 2. Ensure that all lifting tackles will be in good condition.		P3	S3	H	S	1. Follow inspection colour code for all lifting tools & tackles. 2. Inspection colour code to be displayed on safety bulletin boards to aware all workers & staff. 3. Before each use of lifting accessories pre-use checks should be carried out to ensure that they are in good condition and that a current report of thorough examination is available. 4. Thorough inspection and load test of tower crane to be done by competent person at every six month.	P2	S3	M		Nil
42			Person hit by material/ buckets while lifting	Internal	Personal Injury/ Fatality	Ensure that two slings will be used for long objects and tag lines will be provided to load/ bucket.		P3	S3	H	S	Ensure signalman will be available during operation.	P2	S3	M		Nil
43			Insufficient Illumination	Internal	Personal Injury/ Fatality	1. Ensure that minimum 50 Lux level will be available during night time. 2. Ensure extra lights will be fixed at tower crane mast.		P3	S3	H	S	Ensure night work permit will be folowed.	P2	S3	M		Nil
44			Work in night time	Internal	Serious injury	Ensure that the operator will be comfort to work at night and do not sleep in the cabin.		P3	S3	H	S	Tea will be provided to the crane operator and signalman during night time and supervision by building engineer/ Supervisor.	P2	S3	M		Nil
45			Improper storage of lifting tools & tackles	Internal	1. Load failure 2. Property damage 3. Major injury	1. All lifting tools & tackles to be stored in dry place		P3	S3	H	S	Ensure regular inspection of tools & tackles	P2	S3	M		Nil
46			Lifting sharp material withou protection	Internal	1. Damage of sling 2. Fall of material 3. Property damage 4. Major injury	1. Lifting accessories should be protected with protective sleeves or suitable packing, where loads with sharp edges are to be lifted		P3	S3	H	S	1. Ensure supervision.	P2	S3	M		Nil
47			Improper communication between operator and signalman	Internal	Personal Injury/ Fatality	1. Ensure walky talky will be provided to operator and signalman. 2. If tele-communication equipment such as radio or walkie-talkie is used in a multi-crane situation, suitable arrangement should be made to ensure that the radio frequency is not interrupted for whatever reason at any time during the crane operation period and correct message is received by persons using such equipment.		P3	S3	H	S	1. Ensure that all walky taky will be in good condition.	P2	S3	M		Nil
48	3	Maintenance work (Preventive & Break down maintenance)	Oil spillage on ladder	Internal	1. Person falling from height 2. Fatal	1. Oil spillage to be cleaned immediately if any oil spillage is there after maintenance.		P2	S3	H	S	1. Ensure PPE's like Safety helmet, safety shoes, reflective jacket, hand gloves, ear plug, safety goggle & full body safety harness. Ensure height work permit will be followed and trained workers will be identified.	P2	S3	M		Nil
49			Absence of lifeline	Internal	1. Falling from height	1. Provide lifeline on boom for anchoring safety harness while		P3	S3	H	S	1. Check physical condition of lifeline rope.	P2	S3	M		Nil
50			Loose Materials	Internal	1. Fall of material 2. Major Injury 3. Property damage	1. Use tool kit 2. Do not store loose materials on platform		P3	S3	H	S	Engage only authorized persons for maintenance work.	P2	S3	M		Nil
51			Absence of guard for rotating part	Internal	1. Caught in between 2. Major injury	Ensure guard for rotating part		P3	S3	H	S	Ensure regular inspection to check availability of guard.	P2	S3	M		Nil
52			Ladder climbing without fall protection system	Internal	1. Person falling from height 2. Fatal	1. Ensure use of full body harness used by all persons & fall arrestor provided with vertical lifeline while climbing ladder. 2. Ensure use of full body safety harness while maintenance work		P3	S3	H	S	1. Ensure that trained persons will be engaged in the maintenance work. 2. Ensure supervision.	P2	S3	M		Nil
53			Absence of body earthing for tower crane, electrical panel	Internal	Electrocution	Ensure body earthing for tower crane, electrical panel & lightening arrestor		P3	S3	H	S	Ensure that the work permit will be followed.	P2	S3	M		Nil
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57						RISK Calculation / Evaluatio
58		Probability (P)				P/S	S1	S2	S3	S4
59		P1: Improbable				P1	L	L	M	M
60		P2 : Remote				P2	L	M	M	H
61		P3 : Possible				P3	M	M	H	H
62		P4 : Probable				P4	M	H	H	H
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64		Severity (s)		A : Hazards must be avoided (or the level of risk reduced significantly and reliable by controls)
65		S1 : Negligible		B : Hazards should be avoided (or the level of risk reduced significantly and reliable by controls)
66		S2 : Minor		C : Risk to be controlled as far as reasonably practicable
67		S3 : Sever		D : Risk is controlled as far as reasonably practicable .
68		S4 : Extreme		-- : Acceptable risk
69				LEGAL : If activity come under legal implecation (significant) than additional control measures is to be taken and has to be reviewed periodically.
70				S : Significant
71				NS : Non - Significant.
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76	PREPARED BY AETPL PROJECT MANAGER AETPL SAFETY MANAGER
77	PREPARED BY AETPL PROJECT MANAGER AETPL SAFETY MANAGER
78	ATUL PROJECT MANAGER ATUL SAFETY MANAGER ATUL PROJECT MANAGER
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