JSA - Cable Trench Excavation.docx

JOB SAFETY ANALYSIS FORM RISK MATRIX

PROJECT/JOB DETAILS INCREASING PROBABILITY

A

B

C

D

E

Potential Severity

People

Asset/ Production

Environment

Reputation

Never heard of in industry

Has occurred in industry

Has occurred in QP

Occurs several times a year in QP

Occurs several times a year at this site

0

No Injury

No Damage

No Effect

No Impact

No Risk

Low

Low

Slight damage, No disruption to operation

Slight effect

Slight impact

Low

Low

Low

Low

Low

1

Slight injury or health effects

QFM-DKN-25-01

Low

Low

Project Ref./Job Title/Work Order: Brief Description of Work: GC 11110100 Cable Trench Excavation

Job Location: DECC Hazard area Classification:

2

Minor injury or health effects

Minor damage (=QR 250,000)

Minor effect

Limited impact

Low

Low

Medium

Medium

Medium

3

Major injury or health effects

Minor damage (=QR 250,000)

Localized Effect

National impact

Low

Medium

Medium

Medium

High

4

Single fatality or permanent total disability

Major damage (=QR 25,000,000)

Major effect

Regional Impact

Low

Medium

Medium

High

High

5

Multiple fatalities

Extensive damage (=QR 25,000,000)

Massive Effect

International impact

Medium

Medium

High

High

High

PROBABILITY FACTOR

Date:

JSA No. :

GC 11110100

Revision:

2

Sponsoring Department

EDD

Performing Department

EDD/IMCO

Permit Requirements: Hot/Cold/Radiography:

Permit Authority

Participants (Parties involved in JSA) Site Engineer, Site Supervisor and Site HSE Officer

JSA -Approved by:

All the mitigation measures identified in JSA are in pl ace before starting the activities ELMER MEDINA WORKSITE SUPERVISOR

WORK ACTIVITY: _________________________________ Each piece of equipment and crew are associated with known specific hazards that cause accidents to reoccur on one project after another. SITE SUPERVISOR: SUPERVISOR: ________________________ LOCATION; ___________________________________ PERMIT #:_________________

Sl. No. 1

Activity (Job Steps)

Work permit from Client to be obtained.

Potential Hazards





2

Mobilization and demobilization



Unauthorized commencement of works may result in exposing workers and or potential to harm or danger

Who/What Might Be Harmed Injury to IMCO Personnel and or client property.

Risk E.P. SxP=T 3xB= MEDIUM

Delay to schedule

Physical injury from heavy equipment, heavy lifting, pinch point, slip, trips and fall hazards

IMCO Personnel, property damage

3xB= MEDIUM

Control Recovery Measures

Authorized PTW holder shall ensure obtaining and maintaining valid work permit.  The worksite supervisor responsible for this activity has to check the PPE of his staff to ensure that all required items are available and properly used.  Inform all workers regarding permit condition before work starts.  Worksite supervisor shall conduct toolbox talks about nature of works and associated potential hazards and their essential precautionary measure.  Follow mobilization schedule and arrange the required documents to avoid any cause of delay.  Before transporting the loads to the site, rest assure that the materials are secured and tight with nylon rope for the safe transporting.  Ensure that a driver is having knowledge to the hazard while transporting the materials.  The driver shall not have driving attitude while using the road.  Driver is driving only in the minimum speed limit.  Minimize work personnel in the 

Target E.P. SxP=T 2XA= LOW

Responsible/ Action By Site supervisor and Site Safety Officer.

Site In-charge

2XA= LOW

Site supervisor, drivers, banksman and safety officer

Sl. No.

Activity (Job Steps)

Potential Hazards

Who/What Might Be Harmed

Risk E.P. SxP=T

Control Recovery Measures

vicinity of equipment. Provide ergonomic training, institute good housekeeping procedure.  Keep feet and hands clear of moving/suspended materials and equipment.  Keep a tidy site.  Ensure that the pre task briefing is given out in a language understood by the work force, have it translated.  Ask question regarding the briefing to get feedback from the staff, this ensures full comprehension.  Issue required appropriate PPE and replace PPE that has signs of defect.  PPE must include both hearing protection as well as dust inhalation protection.  Workers doing a manual excavation must manage the risk of a musculoskeletal disorder associated with hazardous manual task  When working in close proximity, workers should be kept sufficiently far apart to prevent injury from the pick axe or other hand tool.

Target E.P. SxP=T

Responsible/ Action By



3

Pre-task briefing toolbox talks.

4

Manual excavation

The work force does not understand the pre task briefing therefore does not understand the potential dangers and control measures to be implemented. Some of the workers could be lacking PPE or using defective PPE.

IMCO Personnel

3xB= MEDIUM



Back pain

IMCO personnel

3xB= MEDIUM



Eye injury



2XA= LOW

Site supervisor and Site Safety Officer.

2XA= LOW

Site supervisor, workers and site safety officer

Sl. No. 5

Activity (Job Steps)

Use of Rock breaker (in case of hard rock)

Potential Hazards







6

Excavation using JCB



Hand injury due to vibration (white finger)

Who/What Might Be Harmed

Risk E.P. SxP=T

Injury to IMCO Personnel and or client property

4XC= MEDIUM

Injury to IMCO Personnel and or client property

4XC= MEDIUM

Excessive noise

Air concentration of fumes, vapours and dust generated from the work processes

Damage of existing underground utilities (Pipes,Electrical & Fiber Optics Cable, etc)

Control Recovery Measures

If possible use sound ergonomics equipment that reduce vibration transference to the hands.  Use vibration absorbing gloves or pads. Gel padding is better than foam padding for protecting against vibration.  Hold equipment loosely.  Work in short durations with frequent breaks. Take at least one 10 minute break every hour.  Keep hands warm to keep blood flowing.  Avoid smoking or other drugs or substances that inhibit blood flow.  Ensure to wear appropriate hearing protection.  Use water suppression to control dust emission.  Provide sufficient safety and health training, instruction and information to the workers.  Wear appropriate PPE P1 mask for particulates  Ensure proper supervision to the workforce  Obtain excavation certificate permits and get it signed from concerned authorities.  Layout the building foundation as per specified coordinates in the 

Target E.P. SxP=T

Responsible/ Action By

2XA= LOW

Site supervisor, workers and site safety officer

2XA= LOW

Site supervisor, workers and site safety officer

Sl. No.

Activity (Job Steps)

Potential Hazards

Who/What Might Be Harmed

Risk E.P. SxP=T

Control Recovery Measures

AFC drawings. Survey and scan the area to be excavated with a cable detector to identify the underground utilities, in the presence of QP personnel.  Mark the existing cables and other utilities on the ground if any. This shall be highlighted to the workers in the tool box meeting.  When all necessary preparations, permits and approval are granted, only then can the excavation works be started.  All cable below the proposed building shall be exposed first for identification of quantity, size, and kind of cables.  Install barricades around the perimeter of the area to be excavated.  Install warning sign such as 





Fall of equipment and workers into the trench

Cave-in due to lose spoil or collapsed of excavation

“CAUTION: DEEP EXCAVATION”.

Ensure excavated materials are in a minimum of 2 feet away from the edge of excavation.  If necessary make shoring or sloping on the excavation.  If the above is not necessary, provide a trench box to protect workers on the collapsed of the 



Trapped by overturned equipment

Target E.P. SxP=T

Responsible/ Action By

Sl. No.

Activity (Job Steps)

Potential Hazards

Who/What Might Be Harmed

Risk E.P. SxP=T

Control Recovery Measures

Target E.P. SxP=T

Responsible/ Action By

excavation. Unwanted person should not be allowed near to equipment.  Barricade the area of excavation activity.  Keep signage’s “UNATHORIZED 

PERSON KEEP AWAY”

7

Loading of excess excavation spoil to tipper trucks, transport and dumping at designated dumping site.







Pay loader colliding with tipper trucks.

Persons injured by falling/ flying materials

Banksman being run-over by

IMCO personnel and property damage

3xB= MEDIUM

Ensure that all equipment is in good working condition.  Ensure that equipment is having a third party certified.  Provide banksman who shall wear RED hivis VEST to guide the movement of the equipment. • Know the limitations of operating machines on slopes and rough terrain; • Do not travel with the bucket of an end-loader raised above the top of the radiator of the machine, since it will obstruct the operator’s view; • Look in the direction that the equipment is traveling; • Before loading a truck, find out what is on the other side of it; • Lower loader buckets to the ground when not in use; • Unwanted persons shall not be allowed near loading and unloading area. • Banksman shall keep a safe 

2XA= LOW

Site supervisor and safety Officer

Sl. No.

Activity (Job Steps)

Potential Hazards

reversing vehicle or equipment







Vehicle collision during transport to and from the dumping site.

Rocks falling on the road during transport due to overloading

Oil spill from equipment/ vehicle engine

Who/What Might Be Harmed

Risk E.P. SxP=T

Control Recovery Measures

distance from the equipment.

• Keep reverse alarms operable and free of anything that will muffle the sound; • Banksman shall not position himself directly behind any reversing equipment rather he should stand on either side visible to the driver/ operator at all times. • Observe maximum speed limit (20 kph), • Use only experienced and licensed driver. • Switch on flashers and headlights when necessary. • Inspect equipment carefully at the beginning of each shift; • Inspect the equipment daily. Be certain all safeguards are in place on the equipment and report any defects immediately; • Place a warning tag on the steering wheel or ignition switch of all unsafe equipment being repaired; • Follow established traffic patterns on haul roads; • Ensure adequate loading of materials on the tipper truck • Prevent over-loading, close supervision and monitoring, • Provide tarpaulin cover, if

Target E.P. SxP=T

Responsible/ Action By

Sl. No.

Activity (Job Steps)

Potential Hazards

Who/What Might Be Harmed

Risk E.P. SxP=T

Control Recovery Measures

Target E.P. SxP=T

Responsible/ Action By

necessary. • Daily inspection of equipment must be done regularly. • Leaking engine blocks shall be removed from site for repair, • Provide spill tray during filling petrol. • Report to supervisor or safety officer for immediate action. 8

Work during sand storm



Equipment vehicle collision



Poor visibility / dust



9

Housekeeping



3xB= MEDIUM

Persons run-over by moving vehicle/ equipment

Debris causing Slips, trips and falls



IMCO personnel and property damage

Fire risk due to presence of

Injury to IMCO Personnel and or client property

3XB= MEDIUM

Switch equipment / vehicles headlights and flashers on while in motion  Maintain all required lights, reflectors and accessories on equipment;  Keep your equipment a safe distance from the edge of embankment;  Speed must be effectively reduced or shall completely STOP when the situation calls for it.  Personnel must keep away from vehicle path as much as possible.  Ensure other workers are out of the way before starting the machine;  Keep reverse alarms operable and free of anything that will muffle the sound; Regular housekeeping at site shall  be performed Adequate and correct stacking of  

2XA= LOW

Site supervisor and safety Officer

2XA= LOW

Site Supervisor, workers, and Safety Officer

Sl. No.

Activity (Job Steps)

Potential Hazards

Who/What Might Be Harmed

Risk E.P. SxP=T

combustible materials /



debris



Infestation of rodents leading to equipment & materials damage (Cables, cords, documents, etc.)















----------------------------------------

Responsible/ Action By

materials Regular inspection and immediate corrective action. Keep always clear of o bstruction. Regular clearing of work site shall be implemented Waste bins with cover shall be provided for oily rags Flammable materials shall be stored separately away from possible ignition source Minimal inventory to be stored at work area Appropriate fire extinguisher shall be provided when necessary Keep 9kg dry powder fire extinguisher to the area during the excavation activities Daily housekeeping shall be done, Closed bins for foods waste; Food waste shall be removed ASAP

PREPARED BY (HSE) Name

Target E.P. SxP=T

Control Recovery Measures

REVIEWED BY (QP) Name

----------------------------------------

Signature ---------------------------------------

Signature ---------------------------------------

Date

Date

---------------------------------------

---------------------------------------