excavation of road

HAZARD IDENTIFICATION & RISK ASSESSMENT Page1 of 9 (S*) Severity (F*) Frequency (P*) Probability (S+F+P=C***)

TASK – EXCAVATION OF ROAD WITH TLB (R.A – 04) DATE:

TASK RISK AND HAZARD S F P C RATING CONTROL BY WHOM

A1) Communicate risk assessment for task.

Workers unaware of identified hazards and safety measures for the job – injury to workers.

4 4 -3 5 LowRisk assessments to be communicated to workers before job commences.

Workers to sign acknowledgement of communication on risk assessment document.

Risk assessments to be revised every 30 days or when new hazards or controls are identified.

2.9.2

2.9.2

2.17.1

A2) Draft and communicate DSTI for daily activities.

Workers unaware of the task procedure, the identified hazards and safety measures for daily activities – injury to workers and damage to equipment.

4 4 -3 5 LowDSTI to be communicated to workers before shift commences.

Workers to sign acknowledgement of communication on DSTI document.

DSTI to be counter signed by 2.6.1 or safety officer.

2.9.2

2.9.2

2.9.2 / 2.6.1 / 2.17.1

A3) Establish safe task environment.

Vehicles getting stuck in wet, muddy conditions.

TLB falling over on soft uneven ground.

Task areas not identified – injury to workers, damage to equipment and vehicles.

Unauthorised persons in task area – injury to person.

Tripping and slipping hazards – rocks, mud,

6 4 0 10 High Vehicles to drive on designated routes only.

TLB to extend outriggers before commencing with lift. Out rigger mats (sleeper wood) to be placed under outriggers in soft or uneven ground conditions.

Task areas to be identified with orange beacons or flags man.

Only S&P workers allowed in task areas.

Be aware of your work environment. Do not walk or stand on loose rocks,

2.9.2 / TLB Operator

All



wet piping, wire etc. wet piping, mud etc. Make sure the soles of your safety boots are clean before climbing onto or over anything.

B1) Check tools and equipment.

Use of defective tools and equipment – injury to persons.

Use of improper tools and equipment – injury to persons.

6 4 -3 7 Medium Tools and equipment to be visually inspected and tested before use. Defective tools and equipment to be returned to store for repairs or replacement.

Tools and equipment to be on register, inspected monthly and colour coded. No home made tools allowed on site.

All

2.9.2 / Operator /

2.17.1

B2) Check competency of workers.

Incompetent workers – injury to persons, damage to equipment.

Use of machinery and vehicle by unlicenced / unappointed / uncertified operators –injury to persons, damage to vehicles / machinery. Road accidents.

4 4 -3 5 Low Workers to be competent to do the task delegated to them.

Drivers of vehicles and operators of machinery to be licenced / certified and appointed.

2.9.2

2.9.2 / 2.6.1 / 2.17.1

B3) Issue workers with necessary PPE.

Workers not wearing PPE – injury to workers.

Workers wearing incorrect PPE – injury to workers.

PPE not available to workers – Workers exposed to greater risk of injury.

2 4 0 6 Low Workers to wear prescribed PPE – safety boots, hard hat, hearing protection, safety glasses, and leather or rubber gloves.

PPE to be SABS or GME approved.

Sufficient PPE to be stocked on site. Workers to sign for PPE received.

2.9.2 / All

2.9.2 / 2.6.1 / 2.17.1

2.9.2 / 2.6.1 / 2.17.1



SATURDAY 01/07/2006

C1) Post construction warning signs in the road.

Traffic not aware of activities in the road ahead.

4 4 -3 5 Construction signage to be posted minimum 100 metres before construction site.

2.9.2

C2) Prepare detour route with TLB and by hand.

Damage to shallow underground services.

Poor road surface.

Injury from physical labour.

Electrocution from overhead power lines.

Injury from moving TLB.

2 4 0 6 Supervisor and TLB operator to access detour route before preparation commences and beware of signs of underground services during preparation.

Ensure detour road surface is properly prepared and safe to use.

Workers to wear hand protection, eye protection, hard hats, safety boots, high visibility vests (dust masks if necessary).

TLB not to establish directly under power lines and work. Do not lift the boom above the height of the cabin.

Workers to stand clear of moving TLB. TLB operator to beware of workers and sound hooter if necessary.

2.9.2

C3) Demarcate detour route with reflective lineators.

Route not clearly defined.

Lineators falling over.

4 4 -3 5 Detour route to be clearly demarcated. Lineators to be spaced approximately 5 metres apart.

Ensure lineators are properly secured in bases and weighted with rock or sand bags.

2.9.2



SUNDAY 02/07/2006

C4) Post STOP / GO signs at designated spot.

Signage not clearly visible to road users. 4 4 -3 5 STOP / GO signage to be posted on the verge of the road and clearly visible to road users.

2.9.2

C5) Post flags men to man STOP / GO signs.

Flags men not visible to road users.

Flags men being run / knocked over by vehicle.

Miscommunication between flags men.

4 4 -3 5 Flags men to wear high visibility vests.

Flags men to use a red flag to wave down oncoming traffic. Flags men not to stand in the line of oncoming traffic.

Flags men to be in visual contact with each other (approximately 150m).

2.9.2

C6) Barricade road with plastic new jersey barriers.

Insufficient barricade to block the road. 2 4 0 6 Two plastic new jersey barricades to be used to block each side of the road.

2.9.2

C7) Demarcate traffic flow with reflective lineators.

Flow direction of traffic poorly demarcated. 4 4 -3 5 Lineators to be evenly spaced and point in the direction in which the traffic must move.

2.9.2

C8) Demarcate road excavation path.

Misalignment of pipe route. 2 4 -3 3 Gani Fredericks to ensure correct alignment of pipe route.

2.9.2

C9) Saw-cut road with machine.

Incompetent person using the road saw. Injury to worker.

4 4 -3 5 Only competent operator to use road saw.

2.9.2



C10) Position TLB and excavate road.

TLB falling over.

Collision between TLB and traffic.


6 4 -3 7 Ensure TLB is established on firm ground and out rigger jacks are extended.

TLB not to be established closer than 2m from the lineators on the detour road.

TLB not to be established directly under the power lines.

2.9.2

C11) Lift and lower HDPE pipe into excavation with a crane.

Pipe bending during lift.

Pipe colliding with traffic or structures.

Injury during lifting.

Overhead lifting.

4 4 -3 5 Two flat nylon slings to be used to lift pipe.

Two guide ropes to be used to direct and guide pipe into position.

Only certified rigger to conduct rigging and lifting of pipe.

No overhead lifting allowed.

2.9.2

C12) Backfill excavation with TLB.

Incorrect backfill material being used.

Damage to pipe.


2 4 -3 3 Use only selected backfill material.

Ensure pipe is not damaged by TLB or excessive dumping of material.

Do not operate TLB directly under power lines.

2.9.2

C13) Level backfill by hand. Slipping and falling on loose footing.

Injury from other workers.

Eye and hand injuries.

4 4 0 8 Ensure sure footing while working.

Ensure good communication between workers. Do not work on top of each other.

Wear eye and hand protection while

2.9.2



leveling the backfill.

C14) Compact backfill with a fuel driven whacker.

Incompetent operator.

Injury from Whacker.

Noise.

4 4 0 8 Only competent operator to use whacker.

Other workers to stand clear of whacker while it is in use.

Wacker operator to wear hearing protection.

C15) Resurface road with premix tar.

Poor workmanship.

Insufficient tar to repair road.

Handling of tar without required PPE.

2 4 -3 3 Gani Fredericks to ensure quality workmanship of the tarring of the road.

Gani Fredericks to ensure sufficient bags of tar are available to patch the road.

Hand protection to be worn while handling the tar.

2.9.2

C16) Flatten new tar with Bomag.

Injury from Bomag. 4 4 0 8 Bomag operator to be competent. 2.9.2

C17) Remove tools, equipment and machinery from the road.

Poor house keeping. Collision between vehicle and construction equipment.

4 4 0 8 Ensure tools, equipment and machinery are removed from the road and placed orderly on the vehicles or away from the road.

2.9.2

C18) Gani Fredericks to assess road as safe to use.

Road not safe to use. 4 4 0 8 Gani Fredericks to assess and declare the road as safe to use before opening it for use.

2.9.2

C19) Close off the detour with the lineators from the road.

Flags men abandoning their post at STOP / GO signs.

4 4 0 8 Flags men to stay at their posts until the detour has been closed and the road opened.



Detour not sufficiently closed off. Detour to be closed with the lineators from the road.

C20) Remove the new jersey barriers from the road.

Collision between vehicles and barriers. 4 4 0 8 Plastic new jersey barriers to be removed from the road completely.

2.9.2

C21) Remove flags men and STOP / GO signage from the road side.

Road accident. 4 4 0 8 Flags men and signage to be removed when detour has been totally closed and the road opened for use.

2.9.2

C22) Open the road to traffic. Road accident.

Workers run / knocked over by moving vehicles.

4 4 0 8 Road to be cleared of all obstacles. House keeping to be to standard. All workers to wear high visibility vests.

2.9.2

D1) Make task area safe at end of shift.

Loss of tools and equipment, injury to persons.

2 4 0 6 Low Close out DSTI to be conducted at end of shift. Tools and equipment to be returned to store at the end of shift.

2.9.2 / Worker

excavation of road

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