about mine blasting safety distance setting

  • Noise and vibration from blasting, Guideline

    d) at a distance of at least 4m from any noise-affected building or structure, or within the boundary of a noise sensitive place; and e) between 1.2m and 1.5m from the ground.

  • A Guide to the Safe Storage of Explosive Materials

    Blasting agents, Class C detonators, safety fuses, squibs, igniters and igniter cords may also be stored in Type 4 magazines. • Type 5 magazines are for the storage of blasting agents. Storage of Classes of Explosive Materials In Table 2, the classes of Table 2

  • Numerical modelling approach for mine backfill

    Numerical modelling approach for mine backfill MUHAMMAD ZAKA EMAD Department of Mining Engineering, University of Engineering and Technology, Lahore 54890, Pakistan e-mail: [email protected] MS received 13 July 2015; revised 30

  • Safe distances when using explosives

    What it contains. This guidance notes outlines how to safely prepare for fire blasting explosives (shotfires) at sites other than mines and quarries. It explains how to: calculate safe distances for blasting, including evacuation distances. plan an exclusion zone. assign roles to people in the exclusion zone. notify emergency services.


    Mine Safety and Health Administration REVISED JUNE 24, 2004 Compliance Guidelines for Developing Slope and Shaft Sinking Plans ... blasting plan if required– refer to ATF P 5400.7 2 a. type of explosives and detonators b. shot pattern, wiring and delay ...


    Guideline August 1999 Geotechnical Considerations in Open Pit Mines Version 1.0 Department of Minerals and Energy Page 7 of 49 3.1 Planning for total mine life 13.8 (1) The principal employer at, and manager of, a mine must ensure that geotechnical aspects

  • Blasting Safety – Revisiting Site Security

    qualified person shall ascertain that all persons are a safe distance from the blasting area." The onus of determining the safe distance rests on the qualified person, who in most cases is the blaster. In brief, the message is " Be alert and share information; know

  • Risk Assessment Workbook for Mines

    Risk assessment workbook for mines Metalliferous, extractive and opal mines, and quarries IGA-019 December 2009 Mine Safety Operations Version 5.0 Page 1 of 64 Document controller: Mathew Barnes IGA-019 (TRIM: OUT09/16488) December 2009

  • Rise Mining Developments

    They can be pushed up any distance, lockout on retraction of the charge hose, and are removable in the event of a misfire. Rise Mining Developments Stemming has been shown to increase blast efficiency and fragmentation, as well as reduce or prevent blast damage around the firing location and reduce the amount of explosives.


    INCIDENTS CAUSED BY OTHER BLASTING HAZARDS MISFIRES A misfire is the complete or partial failure of any blasting material to explode as planned. Misfires are a serious safety hazard and may be costly . . ''to remove. The occurrence of

  • Safety Procedures and Guidelines Manual M 75-01

    WSDOT Safety Procedures and Guidelines Manual M 75-01.45 Page 3 April 2021 Foreword Providing employees, a safe environment is the culture at Washington State Department of Transportation. The department adheres to the highest standards to ensure the


    in the vicinity of blasting operations based upon distance or vibration frequency. Even when vibrations are not at a level sufficient to cause damage, they can disturb individuals

  • Blast plan preparation, including mining operations

    Guide to blast plan preparation, including mining operations In accordance with the Dangerous Goods Safety (Explosives) Regulation 2007 and the Mines Safety Inspection Regulation 1995 December 2013 Level 1, 303 Sevenoaks Street (cnr Grose Ave


    including blasting agent storage facilities, must be kept clear of trash, brush, and dry grass for a distance of not less than 25 feet. Ammonium nitrate - fuel oil (ANFO) blasting agents must be physically separated from other explosives, safety fuse, or detonating


    MINE HEALTH AND SAFETY ACT Act 29 of 1996. MINE HEALTH AND SAFETY REGULATIONS [Updated to 10 July 2015] GoN R93, G. 17725 (c.i.o 15 January 1997), GoN R846, G. 18078 (c.i.o 21 June 1997), GoN R1315, G. 19354 (16 October 1998), GoN

  • (PDF) Explosives and Blasting Procedures Manual | …

    Explosives and Blasting Procedures Manual M. Labrador Download PDF Download Full PDF Package This paper A short summary of this paper 36 Full PDFs related to this paper Read Paper Explosives and Blasting Procedures Manual Download ...

  • Mine Health and Safety Act: Regulations: Explosives

    MINE HEALTH AND SAFETY ACT, 1998 (ACT N029 OF 1996) REGULATIONS RELATING TO EXPLOSIVES I, ADV. N. A. RAMATLHODI, Minister of Mineral Resources, under section 98(1) of the Mine Health and Safety Act, 1996 (Act No. 29 of 1996) and after

  • Safety & health in small-scale surface mines A handbook

    Preface Occupational safety and health (OSH) are important issues for the world''s 13 million or so small-scale miners — many of whom work in surface mines — and their communities. Progress in dealing with diseases and accidents affecting small-scale miners

  • Chapter 6 INITIATION

    92 is the resistance of one series circuit divided by the number of series in the total circuit. For example: Series with 10 1.5-ohm caps - 10 x 1.5 = 15 ohms circuit resistance. Series-parallel, 2 series of 10 1.5-ohm caps each - 10 x 1.5 = 15 ohms divided by 2 = 7.5

  • Explosives Hazards in Ontario Mines | Ministry of Labour

    Workplace health and safety is an important issue for Ontario mines. Mines with safe practices involving explosives generally have fewer incidents. The Ministry of Labour enforces and promotes awareness of the need for mines to comply with legislated requirements and use, handle and store explosives safely.


    Whenever a safety level of ground vibrations from blasting is considered it is necessary to predict the vibration levels for a given blasting operation. This involves several parameters such as the distance from shot to the monitoring station, charge weight, and geological conditions at the site. It is reasonable to expect, however, the vibration level will be raised with increasing charge size and diminish with increasing distance …

  • The Effects of Pre-charging On Sub Level Cave Mining Production Ring Blasting

    MINE4122: Mining Research Project The Effects of Pre-charging On Sub Level Cave Mining Production Ring Blasting University of Queensland Faculty of Engineering, Architecture and Information Technology Mining Commissioned by: Dr Italo Onederra Prepared

  • Mines

     · Mines - Explosives and Blasting. The major responsibilities of the Mines Division are the enforcement of legislation and safety regulations relating to mining, quarrying and explosives, and the planning and management of quarrying contracts. The Division, which has three sections, is headed by a Chief Geotechnical Engineer and each section is ...

  • Seismicity and Stress Changes Subsequent to Destress Blasting at the Galena Mine …

    BLASTING AT THE GALENA MINE AND IMPLICATIONS FOR STRESS CONTROL STRATEGIES By F. M. Boler1 and P. L. Swanson1 ABSTRACT The U.S. Bureau of Mines conducts research at the Galena Mine, Wallace, ID, with the aim of at the mine.

  • Regulates Blasting at Quarries?

    If blasting is being conducted within a municipality, the blaster is required to notify landowners located within a scaled distance of 55, which is defined in the Missouri Blasting Safety Act at 11 CSR 40-7.010 (W) as, "… a value determined by dividing the linear

  • Mines Safety and Inspection Regulations 1995

    Mines Safety and Inspection Regulations 1995 Contents page ii Version 06-d0-08 As at 24 Jan 2017 Published on Subdivision B — Constitution and proceedings 2.8. Constitution — mine manager''s and underground supervisor''s

  • Mines Division Practice Note No. 1 (MDPN 1) Delivery of Blasting …

    5.5 For safety and security reasons, firing of ope ncast blasting must take place before sunset, unless otherwise permitted by Mines Division. 5.6 The RES (or ESG if there is no RES for the project) must remain on site to check that all the explosives and

  • Ground vibration and airblast limits for mines and quarries …

     · Environmental guidelines 1. Purpose This document describes the policy of the Department of Jobs, Precincts and Regions (the department) with respect to the limits on blasting impacts at residential premises and other sensitive sites*. The Guidelines for Ground Vibration and Airblast Limits for Blasting in Mines and Quarries (the guidelines) do not apply to control of impacts at commercial or ...

  • Blasting | Britannica

    Blasting, process of reducing a solid body, such as rock, to fragments by using an explosive. Conventional blasting operations include (1) drilling holes, (2) placing a charge and detonator in each hole, (3) detonating the charge, and (4) clearing away the broken

  • (PDF) Flyrock in bench blasting: a comprehensive review …

    Flyrock in bench blasting: a comprehensive review ;A Bull Eng Geol Envir Soni Abhay Related Papers Development of an empirical model for predicting the effects of controllable blasting parameters on flyrock distance in surface mines By Chuande Guo

  • Ventilation in underground mines and tunnels | WorkSafe

    Ventilation in underground mines and tunnels. In closed environments like mines and tunnels, ventilation is crucial to maintain sufficient quantities of oxygen and keep air free of dust, toxic gases and vapours. We have produced guidance that outlines the ventilation needed for different types of mining and tunnelling operations.

  • Fatal Accidents Due To Flyrock And Lack Of Blast Area Security And Working Practices …

    Mine Safety and Health Administration accident data indicate that flyrock and lack of blast area security were the primary causes of blasting-related injuries in surface mining. Fatal injuries due to lack of blast area security were primarily caused by failure to clear blast area

  • Part 11

    Blasting operations within 500 feet of active underground mines require approval of the Department and Federal Mine Safety and Health Administration (MSHA). If blasting operations are expected to occur within 500 feet of an active underground mine, please include the written approvals of the Department and MSHA, or state when the written approvals will be submitted prior to conducting blasting ...

  • A citizen''s guide to mine blasting. Why Blasting?

    distance from the blast site. To protect the interests of the public, ia mining regulations restrict the amount of offsite vibration that result from mine blasting to levels that prevent possible damage to structures. It is logical, and expected, that persons living

  • CDC

     · Mine workers may be killed or injured by rock thrown by a blast. The blaster who designs a blast determines how far rock from the blast is expected to go. Based on this determination the blaster will designate the blast area, which is the area that must be evacuated before a blast. On occasion rock will fly further than the blaster expected.

  • New safety regulations for Ontario mines | Workplace …

    Mining safety infographic and key hazard assessment service To improve mine safety, changes have been made to Regulation 854 Mines and Mining Plants of the Occupational Health and Safety Act. The amendments relate to risk assessments and high-risk hazards, including water and traffic management, recording of seismic events, as well as changes to requirements for conveyors and surface diamond ...

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