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1. Introduction
A main principle of risk assessment is that it should take place before any changes are made. Risks should be assessed and control measures are put into action before new work is introduced or systems are changed. The process should influence budgets and allocation of resources, rather than being an afterthought when the decisions have already been made.
The risk management process is continuous, with well-defined steps that support better decision-making by contributing greater insight into risks and their impacts. Risks from all sources are identified and once they pass the materiality threshold, a formal process begins in which causal factors and consequences are identified and the correlation with other risks and the current risk-mitigating strategy is reviewed. One of the challenges is to ensure that mitigating strategies are geared to deliver reliable and timely risk information to support better decision-making.
The mining operations of Shri Rakesh Vikas Powar are subjected to the risks and hazards normally encountered in open-cast mining operations. These risks include environmental hazards, such as unexpected geological pressures and ground subsidence, and operational risks relating to materials handling, accidents, blasting and removing material from quarry area. Mining processes also rely on key inputs, for
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example fuel and electricity. Appropriate insurance can provide protection from some, but not all, the costs that may arise from unforeseen events. If any of these risks should materialise, such an event could result in serious harm to employees and contractors, delays in production, increased production costs and possible increase in liabilities. Disruption to the supply of key inputs, or changes in their pricing, may have a material and adverse impact on Shri Rakesh Vikas Powar asset values, costs, earnings and cash flows. Failure to meet production targets results in increased unit costs. The impact is more pronounced at operations with a high level of fixed costs. Mitigation strategies include efforts to secure strategic supplies at competitive prices, energy reduction, application of group water management guidelines, adoption of lean production principles and practices and business improvement initiatives to reduce unit costs. There are certain aspects which should be taken care of, in an quarrying plan with accordance of risk management.
Components Risk Involved
Slope Failure in Mine While drilling from the compressor certain
part of the mine can slide and lead to a fatal accident.
Blasting During blasting, all the protective
measures should be taken into account like alarm ring before the blasting action takes place. Water sprinklers to control the dust generation. Use of good quality of detonators so that sound generated is less and even less amount of dust is generated. Fly rock management is to be studied in the quarry area so that workers can maintain a safe distances in mining area.
Explosive Handling A separate covered cabin should be made
for the storage of the explosive. If the handling is not done properly then it can result in unexpected blast or inefficient performance during the blast which will result in high consumption of explosive to
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meet the product demand. Also the source of ignition should not be around the storage area of explosives.
Road Accidents Vehicles are used for transporting the
material from quarry area to crushing area. Due to some improper maintainace of the vehicle a road accident can occur leading to fatal results.
To minimize the risk, certain measures can be taken like implying safety rules, facilities of basic first aid near the site and having training for the workers about personal safety. In this quarrying plan nitrate mixtures are used for blasting. The quantity used is around 50 ordinary cape per day. But the usage greatly depends upon production
quantity. Blasting is a rare event in this project, only done to meet the daily
requirement of the products.
1. Nitrate Mixture
Very hazardous in case of ingestion. Hazardous in case of skin contact (irritant), of eye contact (irritant), of inhalation. Slightly hazardous in case of skin contact (permeator). Prolonged exposure may result in skin burns and ulcerations. Over-exposure by inhalation may cause respiratory irritation.
Storage:
Keep container tightly closed. Keep container in a cool, well-ventilated area. Separate from acids, alkalies, reducing agents and combustibles. Keep away from heat. Keep away from sources of ignition. Keep away from combustible material. Do not ingest. Do not breathe dust. Wear suitable protective clothing. If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes. Keep away from incompatibles such as combustible materials, organic materials.
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Engineering Controls: Use process enclosures, local exhaust ventilation, or other
engineering controls to keep airborne levels below recommended exposure limits. If
user operations generate dust, fume or mist, use ventilation to keep exposure to
airborne contaminantsbelow the exposure limit.
Personal protective equipments: H
2. Safety Fuse Powder
Risk of Explosion will be there in presence of shock, friction, fire and other source of ignition. The property of safety fuse powder is irritant to skin and can cause lesion.
Storage:
Do not store with flammable/combustible materials. Do not store with explosives of
different compatibility group. Avoid external heat sources in excess of 60 0C. Prolonged
exposure to temperature above 550C may lead to deterioration of the product. Avoid
storage in humid conditions. Store in a dry and appropriately licensed warehouse. Recommended storage life in an original packaging is 24 months.
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3. Electric Detonator
May explode when subjected to flame, heat, impact, friction, electric currents, electrostatic or radio frequency energy. Avoid static charge build up. Keep lead wires shunted until wiring into circuit.
Procedures followed during Spill or leak
Pick up containers or units by hand. Avoid conditions affecting stability. DO NOT use damaged detonators.
Waste disposal method
Dispose of under direct supervision of a qualified person according to local, state regulations. This material may become a hazardous waste under certain conditions and must be collected, labeled and disposed of as per state hazardous waste regulations.
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2. DISASTER MANAGEMENT PLAN
Disaster Management Plan is envisaged with a goal to prevent hazards and accidents at work places by careful design, operation, maintenance and inspection of the mining machineries & equipments. All safety precautions and provisions of Metalliferrous Mines Regulation-1961 will be strictly followed. Suitable control measures will be adopted to take care of hazards/disasters that may occur during mining operation.
Fire fighting, first aid provisions & safety appliances will be made available to
the staff and their use regularly checked
Regular maintenance of all haulage roads & mining machinery as per
manufacturer’s guidelines will be done
