CSIN-25 - Client Instruction

RISK ASSESSMENT

Activity

ROAD CROSSING DUCTS FOR HV/EHV CABLES

Method Statement No:

EXW-P015-0000-EE-LNT-MT-00094 REV CB

Risk Assessment No:006/PP

Date of Assessment

26 Jan 15

Review Date

25 Jan 2016

Revision 0

Act No.

Activity

Potential Hazards

Consequence

Risk Level

Control Measures

Residual Risk

P

S

R

1

Survey,

Marking layer/level

Working in and around excavation

Working near plant and vehicle

Injury from falling in to excavation or

Being hit by a moving vehicle/plant

3

3

9

Open edge of excavation shall be barricaded and no one shall work close to the edge of excavations

Marking out areas near plant vehicle movement area shall be isolated via physical barriers or controlled by banks man

PPE such as safety shoe, reflective jacket and helmet must be worn by all those involved in the activities

3

2

Excavation

Underground utilities

Working with moving plants

Noise

Dust

Personal injury /property damage from

Collusion with moving plants and vehicle

Striking underground services

Slip, trip and fall

3

5

15

The project engineer shall make sure that all required NOCs from concerned authorities are obtained and available with him prior to start removal of trees.

Obtain excavation work permit from HSE department before commencing the work and site supervisor shall make sure the permit, Method statement and TBT on method statement/risk assessments are available at site.

Competent supervision must be available during work

Identify and mark the underground utilities before starting the excavation and protect the utilities (If any) during work

Provide adequate protection for open pits such as hard barrier, adequate hazard warning signs (Danger Deep Excavation), mini flash lights if the trench is near to live road.

Only manual excavation to be done in areas where there is presence of underground utilities.

Equipment operation shall only be under the guidance of a competent banks man.

PPE such as safety shoe, reflective jacket, dust mask. goggles and helmet must be worn by all those involved in the activities

3

3

Welding & Laying of HDPE ducts

Manual handling

Use of HDPE fusion welding machine, Sharp cutting tools

Slip, trip and fall hazard

Hot surface

Flying particles

Electrical Powered Equipment

Crane associated Hazard

Injury from

Use of sharp tools, pipe handling

Health hazard from use of COSHH Material

Burn from potential melted pipe and heating elements

2

2

4

HDPE fusion work will be carried out by competent operator only

Maintain distance from heating elements on fusing machine-heat plate, pipe beads, etc.

Manual handling technique must be taught to all operatives involved in the activities

All tools must be used by trained workers

Good housekeeping shall be maintained to minimise trip hazards and contact with sharp objects such as protruding nails, sharp steel and tools....etc.

COSHH material shall be stored and handles as per MSDS of the material and the MSDS shall be communicated to all users

Control measures given in the crane operation for all lifting activity(11)

2

4

Concrete

pouring

Contact with wet concrete

Reversing trucks

Vibration

Health hazards from

contact with

Skin

Eye injury,

Slip and trip,

3

3

9

All work to be carried out as per approved MS

If anyone gets concrete on cloth or skin flush immediately with lots of water.

Washing facilities should be provided.

Banks man shall guide the reversing trucks

Use appropriate PPE s such as Hand gloves, safety glasses, gumboots...etc.

3

5

Backfilling

Vibrating Plants under operation.

Reversing tipper truck

Falling materials or plant

Falls of persons into excavation

Unsafe access/egress

Cave ins

Noise

Vibration

Dust

Personal injury /property damage from

Collusion with moving plants or vehicle

Cave inns

Fall into excavation

Material/equipment fall from height

Slip, trip and fall

4

3

12

All activities shall be carried out as per approved MS and risk assessments

All plants and vehicles shall be guided by a competent banks man

Stop blocks shall provide near edge of excavation to avoid vehicle/plants falling in to excavation

Adequate safe access to excavation shall be provided

Personnel working with vibrating equipment will be trained to operate the equipment

PPE such as heavy duty hand gloves, ear plugs/defenders dust mask and all other mandatory PPE shall be used by all involved in the activity.

Compaction machines will be inspected daily to ensure they are in good working condition

Reversing alarms to be fitted to all plant machinery.

3

6

Construction of precast Chambers

Unsafe working platform

Use of hand tools and power tools

Manual Handling

protruding nails, sharp edges

Ladder use

Personal injuries from

Fall from height

Striking by falling objects

Manual handling

Use of power tools

3

3

9

Safe and suitable working platform with suitable access/egress shall be provided for all work at height

Good housekeeping shall be maintained to minimise trip hazards and contact with sharp objects such as protruding nails, sharp steel and tools....etc

Only competent operatives will use the power tools such as angle grinder, jack hammer...etc

The operator/supervisor will check the tools for its inspection tag/colour coding; guards are in place, cable...etc while collecting the tool from store and before starting the work.

The foreman must make sure that no one uses loose clothing when working with grinder or any rotating machinery.

Trailing cables should not be in the path of other workers.

Plugs and sockets should be water resistant and colour coded. Not domestic appliances.

Adequate PPE must be used by the operatives using power tools, such as eye, respiratory protection, hand gloves, face shield while working with grinders...etc

Manual handling technique must be taught to all operatives involved in the activities

If ladders used as access/egress it must be secured top and bottom

2

7

Erection of precast chambers

Crane associated hazards

Injury/fatality by crane failure, dropped load, load striking other object/personal

3

4

12

Lifting permit must be obtained from HSE Department and implement the permit requirements

Only competent crane operator will operate the crane

Competent lifting supervisor and rigger will present during lifting

Crane and lifting gears shall be suitable and certified, valid certificates must be available with crane

3

8

Working close to Live Road

Moving traffic

Operatives and plants/vehicle close to the live traffic

Dust

Foreign object particles

Material falling from moving vehicles.

Personal injury,

Fatality, Property damage from traffic accident

4

5

20

All Road diversions, Detour and working close to live road shall be carried out as per approved detour plan and permit

All activity shall be carried out under competent supervision only.

A competent banks man must be present in the vehicle/plant movement area

Pedestrian and vehicle routes shall be segregated so far as reasonably practical and shall be clearly marked with signs and barriers

All work shall be carried out within the work zone (hard barrier) no one will be allowed to go to live road.

All employees shall follow instruction and attend training on site traffic management and logistics

Avoid reverse movement

All employees should wear high visibility jacket at all times

No workers shall be allowed to cross live roads, always be away from live road and adjacent barriers

Do not move any barrier or signs from its locations

Ensure adequate lighting provided during night activities

Do not store or keep any loose materials close to live road, Do not throw any materials on live road

Heavy equipment such as cranes, boom loaders, excavators, back hoes should not swing/extend their booms/arms towards live road direction at any time. Banks man must control/guide the operators

3

9

Working with moving plants and vehicle

Unauthorized operation of plants and machinery

Reversing heavy vehicle/plants

Pedestrian/workers on the blind spot of operators/drivers

Tipping at uneven/loose sand or poorly compacted ground

Operatives/vehicle close to the tripping trucks

Working during poor visibility

Vibrating plants under operation

Noise

Dust

Serious injury/fatality and/or property damage from vehicle hit, collusion, overturning and/or topplingetc

4

5

20

Operatives should be kept away area of operation by the provision of suitable barrier and maintain a pedestrian exclusion area.

The site supervisor shall make sure only competent drivers and operators are allowed to drive/operate on site

Speed limit of 30 KMPH shall be implemented at site

Plant and equipment should be inspected daily for any defect or oil leakage and routine maintenance to be carried out.

Competent banks men shall be assigned to guide the plants and vehicle

Reversing heavy vehicles shall be restricted at site and all plants and vehicle shall be fitted with reverse alarm

Site Engineer shall identify safe entry/ exit route for filling trailers/truck and communicated to drivers and foremen on a daily basis

Driver is responsible for covering the load if they enter highway or municipal Roads

Supervisor and banks men shall make sure all plants such as wheel loader, compactors, trucksetc maintain a safe clearance from edge of excavation

Plant operator shall make sure their visibility all around, no window curtains are allowed and all rear view mirrors and window glass/wind shield must be kept clear all time

PPE such as reflective Jackets, safety shoe, helmet, safety goggles and dust mask must be worn by all working in the area

Makes sure safe access available for truck, trailers and all reversing trucks are controlled by competent banks man

Make sure tipping area is level, compacted to avoid toppling hazards and make sure no overhead power lines in the tipping areas.

3

10

Use of Plate compactor

Unauthorized operation

Un guarded Rotating parts

Vibration

Noise

Dust

Use of fuel

Injury from unguarded moving parts

Health hazard from Vibration, Noise, dust

2

3

6

Compactors will be operated by competent operator

The supervisor and operator shall make sure the plant is equipped with guards on all rotating parts

Operator shall use heavy duty hand gloves, ear protection and dust mask in addition to his mandatory PPEs.

2

11

Use of crane/

Lifting operation

Structural failure

Erection of lifting equipment at poor ground condition, close to edge of excavation

Proximity Hazards such as OH electric line, Excavation, mobile equipments

Underground utilities

Use of damaged lifting gears

Unauthorized operation

Absent of competent rigger/supervisor

Manual Handling

Inclement weather

Death or Major Injury/ property damage from lifting equipment failure

3

5

15

Site Engineer shall make sure that the crane, lifting equipment, gears are suitable for the load and visually inspected by HSE team and Lifting Permit is obtained from HSE department.

The site and/or lifting supervisor and the crane operator must check the ground condition and the surrounding of operation for any proximity hazard such as excavation, manholes, overhead electrical line, mobile equipment etc.

All lifting activities shall be carried out by competent operator under a competent supervisor and rigger.

Ensure sufficient illumination if operating at night.

The lifting area shall be demarked provide sufficient hazard warning signs to avoid unauthorized entry of people/vehicle.

Ensure load is secured properly, remove if any loose material.

Use tag line of sufficient length to prevent unwanted swinging of the load.

Provide PPE such as hand gloves, goggles, safety shoes & hard hat to the workers engaged.

Stop the activity in case of bad weather such as sand storm affecting visibility, heavy wind 35 KMPH or more and heavy rainetc.

3

Risk Matrix

Severity

Consequence

Likelihood(probability) of occurrence

Very Low

Low

Medium

High

Very

High

H

Human

(injury)

A

Asset(s)

(Damage or loss of any kind)

E

Environment

R

Reputation

1

2

3

4

5

Never heard of the incident

The incident is known

Occurred in the company/ project

Occurred 5 times in a year times in the company/ project

Occurred more than 5 times in a year in the Company/ project

1

Insignificant

FAC

Insignificant

(QR 1 to 500)

Minor impact/ damage

Minor

Impact

1

2

3

4

5

2

Minor

(MTC/ RWC)

Moderate

(QR 501 to 5000)

Moderate Impact-reportable to authority

Limited Impact

2

4

6

8

10

3

Moderate

(LTI/ PPD/ reportable injuries)

Considerable

(QR 5001 to 50000)

Localized Impact- authority involvement

Considerable Impact

3

6

9

12

15

4

Major

Single Fatality/ PTD

Major

(QR 50001 to 100000)

Major Impact

Country wide impact.

4

8

12

16

20

5

Catastrophic

Multiple PTDs/ Fatalities

Heavy

(above QR 100000)

Massive Impact

Worldwide impact

5

10

15

20

25

Risk Rating Criteria

Risk= Severity X Likelihood

Low Risk: Risk Rating from 1 to 3

Medium Risk: Risk Rating from 4 to9

High Risk: Risk Rating from 10 to 25

Assessed By

Designation

Signature

Date

1. R. Srinivasan

Construction Manager

01.02.2015

2. Polaprakasan

HSE Manager

01.02.2015

3. Ethirajan.R

Deputy Project Director

01.02.2015

L&T/HSE/27 Rev 00 Page 6 of 6