ATTACHMENT 7.2 Hazard Analysis and Control Programme Sheets

Transportation Of Gas Cylinders

Fire / Explosion during transportation.

Manual handling and health risk.

1) Cylinders to be supported during transportation in order to prevent them falling over.

Gas Cutting

Cylinder explosion.

Damage to eyes.

Fire.

Oxygen cylinders valves / fittings to be kept free from grease / oil.

Activity

Hazards

Fire / Explosion.

Wheel burst.

Control Measures

1) Grinders to be maintained in good condition and inspected prior to use.
2) Guards to be fitted to grinders.
3) Changing of abrasive wheels to be carried out by trained and authorized personnel using proper disc spanners.
4) Personnel carrying out grinding work shall wear suitable eye protection and hearing protection.
5) Grinding operations in Live plant areas shall be carried out in accordance with the permit to work requirements.
6) Grinding operations shall be controlled in order to prevent the risk of injury to other personnel from sparks / metal splinters.
Housekeeping in the areas at grinding operations to be maintained to a high level.

Activity

Hazards

Fire / Explosion.

Electrocution.

Health impairment.

Control Measures

Welders shall be provided with and wear the following personal protective equipment:-

Welding gloves

Overalls

Welding goggles with correct filter

R.P.E (where identified)

Flammable materials shall be removed from areas where welding is to be undertaken.

If (2) is not practicable, other suitable precautions shall be taken to alleviate fire and explosion risk e.g. Provision of fire blankets / fire watcher.

Fire extinguisher to be immediately available in the area of any welding operation.

Before welding operations are carried out, the materials involved and their by-products shall be identified, the risks assessed and necessary control measures identified in order to prevent possible respiratory disease / systemic poisoning (e.g. cadmium, stainless, galvanized, lead coated materials).

Welding cables and cable joints shall be maintained in a good condition.

Welding returns should be firmly connected to the metal on which welding is taking place. This to be carried out by means of well constructed earthing clamps only.

In order to prevent risk of Arc Eye injury to other personnel, suitable screens to be placed around the welders working area.

Damp, humid and wet conditions shall be a consideration for the voltage and type of transformer used.

Diesel Engines (Process Areas)

Engine exhaust fires.

Over-speeding of the engine in live plant areas.

Spark arrestors to be fitted to diesel engine exhausts.

Chelwyn valves shall also be fitted where needed

Radiography

Exposure to radiation.

Site radiography shall only be carried out by competent and experienced radiographers

Site radiography to be carried out in accordance with the procedure for site radiography set out in Employer HSE Manual.

Local working rules shall be submitted by the N.D.T. contractor prior to work

Emergency equipment e.g. local shielding, sand bags, tongs to be provided on site.

Warning signs / barriers / flashing lights / alarms to be provided.

Radiation meters to be calibrated and certification

Contractors, adjacent working and security to be notified in advance.

Material Handling

Manual handling - back injuries

Whenever practicable, mechanical lifting aids e.g. cranes, forklift trucks etc., shall be used to alleviate the requirement for manual handling.

Supervision shall assess weight, center of gravity etc. and determine the number of persons required to carry out the work safely.

Personnel should be trained in manual handling techniques.

Gloves, Safety footwear and goggles to be worn by personnel engaged in material handling.

Good housekeeping measures shall be enforced in order to prevent slips, trips and falls during material handling.

Material shall be stored in designated areas.

Handling Of Steel

Trapping injuries.

Falling material.

Manual handling.

Slips, trips and falls.

Personnel to wear suitable gloves / footwear and goggles when handling steel.

Personnel to be trained in slinging and banks-man techniques in order to ensure the materials are lifted in a safe manner.

Suitable equipment is to be used to lift the steelwork.

Steel shall be stored in a designated area on wooden skids / sleepers.

Good housekeeping standards shall be maintained in steel lay-down areas in order to prevent slips, trips and falls.

Tug lines should be used when lifting / traveling materials by cranes.

Personnel not involved in any steel handling operation to be kept clean of the area of work.

Handling Of Timber

Trapping injury

Slip, Trip and Fall

Hand injury

Personnel to wear suitable gloves / footwear when handling timber products.

Timber to be de-nailed in order to prevent puncture wounds.

Timber shall be stored in designated areas away from offices and other buildings.

Good standards of housekeeping shall be maintained in order to prevent slips, trips and falls.

Swarm wood chips and sawdust must be removed in a timely manner to prevent accumulation of a fire hazard.

Circular saws to be fitted with riving knives and guards.

Push sticks to be used for the cutting of timber by circular saws.

Personnel shall be instructed on the safe operation of mechanical equipment.

Concrete Pours

Manual handling.

Defective plant / equipment.

Falling materials.

Personnel placing concrete shall wear suitable gloves / footwear and eye protection.

Plant and equipment used during concrete placing to be operated by trained and authorized personnel under close supervision

All plant and equipment shall carry current certification and be maintained in a safe condition. Defective plant / equipment to be removed from service and effective remedial actions taken.

Slinging and lifting operations to be carried out by trained personnel

Unauthorized personnel must be prohibited from entering areas where concrete placing activities are being undertaken.

Access across re-bar fixing shall be maintained with timber boarding to provide a safe access and place of work.

Activity

Collapse of excavation.

Physical injury due to proximity of plant.

Only approved mechanical shovels / JCB are to be used to carry out this work.

Plant used to backfill excavations should carry current certification and maintained in a safe condition.

The plant shall be operated by trained and authorized personnel

Banks-men shall be used to control the backfilling operation in order to prevent plant working too close to the excavation edge.

Unauthorized personnel should be excluded from areas where the backfilling of excavations is taking place.

A survey of the area to be carried out, to assess risks to any adjacent structures and/or utilities that may exist. Operators to be briefed on any identified potential hazards.

Activity

Hazards
Defective equipment.

Overloading of vehicles.

Control Measures

Plant / Equipment used shall be maintained in a good condition.

Licensed and experienced operators shall be used to carry out this activity.

The loading of equipment to be carried out in accordance with company approval.

Loading shall be closely supervised in attendance of trained banks-men.

Rigging/Crane studies shall be undertaken (if required) to ensure the lifting operation is carried out in a controlled and effective manner utilizing any existing lifting points provided.

The weight of any such load shall be determined to ensure that overloading is prevented.

Banks-men shall wear reflecting vests or jackets or other means of personal identification

Activity

Hazards

Personnel falling from scaffolding.

Detailed consideration shall be given to all scaffolding to ensure that it is properly planned and erected to meet the working requirements, designed to carry the necessary loading and maintained in a sound condition (B.S. 5973 shall be followed as guidance).

Scaffolding shall be provided with adequate ties / supports in order to prevent collapse.

Scaffolding shall be inspected and tagged prior to use

Regular inspections of scaffolding shall be undertaken and recorded in order to ensure that the structure is maintained in a safe condition.

Personnel working from scaffolds shall be instructed not to interfere or alter an existing scaffold.

Effective actions to be taken by supervision in order to ensure that scaffolding defects are rectified immediately e.g. guard-rails replaced, toe-boards replaced etc.

Only authorized scaffolders shall be allowed to alter the scaffolding in any way. Supervision shall liaise with scaffolders in order to ensure that the co-ordination of scaffolding maintenance.

Incomplete scaffolding to be clearly identified and personnel should be prohibited from using such structures.

Use Of Hazardous Substances

Health impairment.

Fire/explosion.

Environmental impact.

Assessments on the hazards and risks to health by potentially harmful substances shall be carried out. These assessments shall detail the control measures that should be taken to reduce risks to health.

Material safety data sheets (MSDS) and assessments of the risk and necessary control measures to be put in place prior to the work being carried out.

Personnel shall be instructed to take appropriate precautions to protect their health from the hazards. Training to be given in the correct use and maintenance of personal protective equipment.

Hazardous substances shall be stored in a safe manner. Materials shall be segregated in accordance with good practice e.g. keeping oxidizing and reducing agents apart.

Contingency arrangements should be in place to prevent the spillage of any hazardous substance to the ground.

Fabrication Of Gates

Falling materials.

Fire and explosion.

Damage to body parts.

Electric shock.

Gate fabrication to be carried out by personnel who have been familiarized with the requirement for safe working practices.

Personnel to wear gloves, safety footwear and welding goggles with the correct filter during this work.

Welding shall be carried out in dry conditions and in accordance with the requirements of the Hazard Analysis and Control Procedure 006.

Gas cutting to be carried out in accordance with the requirements of the Hazard Analysis and Control Sheet 004.

Good standards of housekeeping shall be maintained in the fabrication area.

Fire extinguishers shall be provided.

Oxy/Acetylene sets to be sited in an adjacent location with valve keys fitted and secured upright and flash back arrestors fitted.

Erection Of Gates

Fall of gate.

Damage to body parts.

Manual handling.

Gate erection to be carried out by trained personnel under supervision.

Personnel to wear gloves, safety footwear and safety helmets.

Sharp edges on the gates to be removed by grinding prior to erection.

The lifting of gates into position shall be undertaken using suitable lifting tackle and equipment.

Removal Of Waste Material

Manual handling

Damage to body parts

Occupational health problems

Personnel engaged in the removal of waste material shall wear gloves, safety footwear and safety helmets.

Heavier waste e.g. steel off-cuts, drums etc. should be removed using mechanical plant e.g. fork lift truck, excavator etc.

Waste material shall be stored in designated areas in skips.

Waste material classified as hazardous shall be removed by a contractor classed as competent for the task

Hazard sheet shall be followed for the handling of any hazardous waste.

Electrical Work

Fall from height.

Electric shock.

Fire and explosion.

Electrical work shall be carried out by trained and competent electrician, these persons should have the technical knowledge and experience to understand the hazards, which may arise during the work and the precautions which need to be taken.

Work on live conductors, or on electrical equipment, which has been made dead shall be carried out only under an appropriate permit to work procedure.

Safe means of access to be provided for electricians required to work at height (e.g.) ladders, scaffold towers … etc.

Insulated tools should be used in order to carry out electrical work.

Earth Works

Movement Of Heavy Mobile Plant

Dust

Noise

Drivers, operators and banks-men of mechanical plant and equipment shall be trained, competent and at least 18 years of age. Only authorized drivers and operators shall be allowed to use plant and equipment.

Drivers and operators to be trained not only in the correct operation of the plant and equipment but also in the limitations of its use and the hazards, which exist if it is not used properly.

Preventive maintenance program shall be established to ensure that all plant and equipment is systematically inspected, serviced, repaired and maintained as necessary.

Non-essential personnel shall be kept well away from the area of operation and trained banks-men should be provided where necessary.

Measures shall be taken to prevent dust from impairing visibility by use of water spray on roads and if practicable a one-way system for traffic.

Site speed limits to be set and strictly enforced.

Plant items should not be parked so as to cause an obstruction to other plant or site activities, or so close together as to cause danger to personnel in the vicinity. A stacking system to be operated away from the area of activity if required.

Plant shall be fitted with reversing alarms where appropriate.

Employees working in the vicinity of earth moving operations should wear safety helmets, safety footwear and high-visibility vests.

Drivers should not remain on a vehicle being loaded unless a suitable overhead protective canopy is provided. Personnel should stand well clear of loading operations.

Personnel shall be instructed to establish contact with the driver prior to walking in path of a vehicle.

Sleeping under or against vehicles is strictly prohibited.

Site Transport

Vehicle / Pedestrian Interface

Site Conditions

Contact with structures / overhead lines

Vehicle Defects

Falls into excavations

Site conditions shall be taken into account in the selection of plant. Drivers to be fully trained in the election of plant and be aware of the limitations of their machines and in safe operating procedures.

Vehicles shall be maintained in an efficient state, in efficient working order and in good repair. Basic maintenance to be carried out by the driver/operator on a daily/weekly basis. Defects found shall be repaired before the vehicle is put into service. Periodic servicing of vehicles to be carried out in accordance with the manufacturers instruction.

Speed limits shall be established and clearly displayed for traveling on site haul roads.

Personnel working adjacent to haul roads should wear high visibility jackets and suitable warnings to be displayed where people can see them in good time.

The possibility of vehicles coming into contact with overhead structures or power-lines shall be reduced by erecting height gauges of the goad post type, constructed from non-conducting material, distinctively marked with red and white stripes or bunting.

Drivers to be instructed not to leave vehicles with their engine running.

Drivers to be instructed not to carry unauthorized passengers.

Safe working procedures shall be planned in order to reduce the possibility of personnel being struck by reversing vehicles. These may include (i) avoiding the need to reverse by providing a one-way system of (ii) the exclusion of pedestrians from areas where vehicles have to reverse. (iii) The provision of banks-men. (iv) The fitting of reversing alarms to vehicles.

Vehicles shall be prevented from falling into excavations by (a) clearly marking haul roads and securely fencing off the immediate excavation area, (b) providing a banks-man to guide the vehicle and warn personnel in the excavation to keep clear, and (c) by providing a fixed stop e.g. timber baulk securely anchored, well back from the edge.

Vehicles should not be overloaded, and the loads to be evenly distributed, secured, and not projecting beyond

The sides or back of the vehicle. If some projection is unavoidable then the load to be properly marked in order to ensure that the projection is clearly visible.

Drivers should not remain in their vehicles whilst they are being loaded with loose materials.

The loading and unloading of tipper lorries shall be attended by a competent banks-man. Tipper lorries should not be allowed to move off until the body has been loared.

Dumpers should not be allowed to travel with the body in a raised position unless inching forward to discharge the load.

Connections between trailers and towing units shall be securely fixed using the correct towing pin, and the trailer parking brakes applied before disconnection from the towing vehicle.