case of goa and mining companies avoiding drilling and blasting

Applications of Noise Control in the Mining Industry ...

2015-1-8 · Read the article in PDF. According to the National Institute for Occupational Safety and Health (NIOSH), "Overexposure to noise remains a widespread, serious health hazard in the US mining industries despite 25 years of regulation" (McBride, 2004). Noise has been considered a problem in the mining industry for many years, and the gradual growth in mechanization over …

An Analysis and Prevention of Flyrock Accidents in …

2012-8-29 · An Analysis and Prevention of Flyrock Accidents in Surface Blasting Operations by T. S. Bajpayee, Harry C. Verakis, and Thomas E. Lobb Abstract Blasting is a primary means of extracting minerals and ores at surface mining operations. The domestic consumption of explosives and blasting agents during the year 2002 was about 5.53 billion pounds.

(PDF) Underwater Drilling and Blasting for Hard Rock ...

Underwater drilling and blasting was used for about 25,000 m3 of hard rock dredging during construction of a Second Liquid Chemical Berth by Mumbai Port Trust (MbPT), Mumbai. The rock formation at ...

ICMM & All electric mine of the future

All electric mine of the future. Climate change affects every country and does not respect national borders, yet the greenhouse gas emissions driving climate change continue to rise. Global emissions of carbon have increased by almost 50 per cent since 1990 and grew more quickly between 2000 and 2010 than in each of the three previous decades.

MEC Mining partners with Orica | MEC Mining

2015-9-24 · MEC Mining partners with Orica to expand Safe and Efficient Blasting and Excavation training course.. Through our partnership Orica have expanded their well-recognised Safe and Efficient Blasting course Surface Coal. With a full day dedicated to safe and efficient excavation, the course now creates a link between drill, blast and downstream impacts on key mining …

Optimising Complex Stope Designs Via Wireless Blasting …

CASE STUDY Optimising Complex Stope Designs Via Wireless Blasting Methods Borden, Canada Site Profile Borden is a Canadian mine located in the Porcupine region of Ontario owned by world''s largest gold mining company, Newmont Corporation. The site has been in production since October 2019, extracting

Blasting Practices to Control Quarry Floors and Correct ...

2021-9-15 · Blasting Practices to Control Quarry Floors and Correct Toes. First published in the March 2018 issue of Quarry Management as Tackling Troublesome Toes. By Anthony Konya, senior project engineer, and Dr Calvin J. Konya, founder and president, Precision Blasting …

Controlling the Adverse Effects of Blasting

2014-4-3 · Controlling the Adverse Effects of Blasting This module addresses the control of offsite impacts that result from blasting, namely: • vibrations, • airblast, and • flyrock. Much of the information in the module is derived from the Surface Mining Control and Reclamation Act of 1977 (SMCRA). The performance standards apply to all

Optimization of Blasting Parameters in opencast Mines

2021-8-20 · have a uniform fragment distribution, avoiding both fines and oversized fragments to overall cost of mining to optimum level. Drilling and blasting cost in any project can be as high as 25% of the total production cost. Inspite of this the design and implementation of a blast is not given that much priority in our country.

Safe and Efficient Blasting Course

2018-5-1 · The program is designed to further enhance the skills and knowledge of shotfirers, supervisory personnel, mining engineers, geologists and drill and blast foremen. The objective of this course is to provide participants with a greater understanding of the requirements of drilling and blasting in Open Cut Hardrock Mining, so that they are able to carry out their job …

Drilling & Blasting of Underground Stopes

2017-4-4 · Drilling & Blasting of Underground Stopes. Drilling in stopes is done with pneumatic-feed stopers, light handheld hammer drills of the jackhammer type and heavier plugger machines, drifters of the Leyner type mounted on crossbars or …

Drilling and Blasting

This section looks at all aspects of drilling and blasting and the use of explosives at Quarries and covers profiling of the Quarry face and tracking of drillholes, the preparation of shotfiring rules, the appointment and necessary competence of the explosives supervisor, shotfirer and driller and the specific responsibilities they have including their statutory duties.

A case study on automation in mining

2021-9-20 · In this case study, we explore the role of automation in the mining industry and uncover the business value of using 4G and 5G technology in the mine, in terms of both economics and sustainability. [1] Combined revenue from the 40 largest companies.

Blasting near open pit walls

the mining operator the opportunity to drill all holes with the same diameter and type of drill rig, while reducing total drilled metres. In the case of the air decked holes in Figure 3, the spacing and burden of holes charged with the air decks have been significantly reduced from those used for production blastholes

Blasting

2013-11-19 · blasting 1. blasting most basic unit operation of any mining activity 2. objective • rock is blasted either to break in to smaller pieces such as in most mining and quarrying operations or large blocks for dimensional stone mining …

Drilling and Blasting Research Papers

Drilling and blasting operations are first in the chain of mining technological process and determine the economic efficiency of the entire cycle of mining and primary processing of minerals in the enterprise. The cost of drilling and blasting operations is a significant part of total production costs of large mining companies.

Safe and Efficient Blasting Course

Founded by six Castonguay brothers in 1971, the company specialized itself in drilling and blasting operations for quarries, open pit mining and civil engineering works. The company was a family business for more than 35 years before being briefly passed on to a multinational (2007-2011), and then being sold again to a family group of private ...

Blasting expert a title-holder in the ...

2020-10-22 · Australian Mining speaks with chief executive Jacques Janse about the technology. The minimisation of ore dilution and maximisation of fragmentation in a blasting operation are two of the keys to ...

Optimized design of drilling and blasting operations in ...

2018-11-1 · 1. Introduction. Mining activity is mostly represented by these four main operations: drilling, blasting, loading and hauling. For a proper mine planning and design, all of these operations need to be carefully planned in such a manner that can prevent extra loads such as operating costs, environmental footprints, etc. Amongst these operations, drilling and blasting …

Rodded Boretrak – OPTRON (Pty) Ltd | Carlson

Boretrak is our cost-e ffective, rugged borehole-deviation surveying system that''s compact, lightweight and portable. Boretrak provides an easy way to audit drilling activity accurately and in a wide range of applications, including quarry and cast blasting, exploration and foundation drilling, dam pinning, construction, piling and engineering works.

1998G

2014-7-24 · Reckless blasting can have tragic consequences: The death of an innocent traveler, the financial demise of a coal company, and even criminal prosecution. In June 1993, a Tennessee coal mining company was blasting to loosen overburden at its surface mine. The mine was located immediately adjacent to the right-of-way of the

About us – Castonguay Blasting

Founded by six Castonguay brothers in 1971, the company specialized itself in drilling and blasting operations for quarries, open pit mining and civil engineering works. The company was a family business for more than 35 years before being briefly passed on to a multinational (2007-2011), and then being sold again to a family group of private ...

Drill and blast mining: solutions in control

2017-6-29 · Drill and blast mining: enhancing cost efficiency. The drill and blast module has reporting functionality for when grade dilution begins to occur during blasting. In an underground mine, adjustments can allocate user-defined dilution types that will affect the weight and grade of available material.

Lomas: Inventory and risk in mines | Mining | elkodaily

2021-9-16 · Drilling 5%. Blasting 3%. Mucking and Hauling 12%. Backfilling 15%. Everything Else 48%. In this case, the mine manager has little opportunity to build WIP inventory in cut-and-fill mining because ...

Second class Mines Engineer-(Silica Mining) | Hofincons ...

Handling mining operation, Drilling & blasting, and mine Ensuring safety at the mines. Planning, Coordinating & monitoring all the mines activities as per mining acts, rules & regulations. Evaluate every month costing report of the mines.Preparing the costing report of loading cost, drilling cost & explosive cost, transporting cost etc.

Types of Underground Mining Method Comparison

2017-3-16 · The cost of mining is low because very little drilling and blasting, or timbering is required. The amount of development is small. A large output is possible. Disadvantages: The method is limited in application to low-grade ore …

Petromindo

2021-5-7 · • Provide daily and monthly report for drill and blast actual production including but not limited to total drill depth, total blasted volume, explosive usage, drill and blast cost • Control drill and blast activities to avoid any operational issues, e.g. hard digging case, coal losses, mining delay, standby equipment, and blasting permit

Underwater Drilling and Blasting for Hard Rock Dredging …

2015-1-1 · The drilling barge is brought into the predetermined location to drill a line of holes and is held in position by anchoring. The drilling towers are positioned over the specified drill hole location and drilling commences. The most commonly used drilling method for underwater blasting is called Over Burden Drilling (OD).

Drilling & Blasting Contractor | Construction Excavation ...

2021-9-13 · Reliable Commercial Excavation Services in Pennsylvania. Whether you have large drilling and blasting jobs for a mountain cut containing a million cubic yards of rock or a small job requiring one or two hand-drilled blast holes, …

(PDF) Optimized design of drilling and blasting operations ...

Total blasting production and total drilling and blasting costs in 8, 9 and 8.333 in. bit diameters. 844 H. Abbaspour et al. / International Journal of Mining Science and Technology 28 (2018) 839 ...

Back with a blast

2007-8-14 · Mining has helped Australia weather the COVID-19 storm. A MINE drilling company thought it had the answer to dangerous explosives underground — until its global ambitions exploded in the face of ...

Contracting Services

Contracting Services: Afrimat provides a full package of drilling and blasting solutions for the construction and junior mining industries. This includes blast designs for bulk blasting in quarry and opencast mining as well as for specialised and restricted blasting in built-up areas. This division specialises in optimising cost and end results.

ACCIDENTS FROM EXPLOSIVES

Mine truck for bringing explosives to level magazine 38 Plastic container for carrying electric detonators 39 Capped-fuse carrying case 40 Fuse-capping room 42 Switch and wiring diagram, Company A 45 Details of switches, Company A 46 Switch and wiring diagram, Company B 47 Details of switches, Company B 48 Automatic-warning blasting switch 49