drill and blasting powerpoint

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Activity: Use this Roll and Read activity for word reading practice with a target concept or concepts. Student rolls a die. Option A: Student uncovers and reads …

Blasting - Safety Training PowerPoint Presentations

For more information on using Translator with Microsoft PowerPoint, visit here . The purpose of this program is to review the Safe blasting procedures for shotfirers in underground bituminous coal mines. Covers 29 CFR Part 1910 - General Industry, 29 CFR Part 1926 - Construction, BATF and DOT. Explores the requirements on blasting …

Drill And Blast PowerPoint PPT Presentations - PowerShow

Drill And Blast PowerPoint PPT Presentations. All Time. Show: Recommended. Sort by: Battle Drills - Title: Slide 1 Author: Manuel R. Last modified by: Batman Created Date: 9/28/2006 3:48:51 PM Document presentation format: On-screen Show Company: Army. Title: Slide 1 Author: Manuel R. ...

Toolbox Safety Talks: Blast Safety

~ Blast crew members ~ Trainees Contents: 4 pamphlets with tear-ooff cards: A. What is flyrock? B. Recognize the blast area and blast signals C. Clear the area D. Protect yourself On one side of each pamphlet is a description of the dangers and safety problems that could exist around blasting.

Fire Drill - The Office US - YouTube

This time smoking will SAVE lives.Streaming now on Peacock: https://&utm_campaign=2101p...

How to Conduct Blasting Operations Safely? [PDF] - The ...

Blasting is a process of reduction of rocks or hard soil into fragments with the help of explosives. The blasting operation involves drilling of holes, installation of a detonator and charge, detonating the charge, and removal of debris. Fig 1: Blasting Operation in Hard Rock. In this article, we discuss how to safely conduct blasting ...

Summary of Surface Blasting with Comparison of Two ...

Main Objective – Form a free face before main production blast. Drill closely spaced holes and lightly pack with explosives and detonate first. Takes advantage of same mechanisms in smooth blasting except more contained. Mitigation. Hu et al (2013) Mitigation. Hoek (2007) Case Studies.

ARblast: All Resources on Blasting - OSMRE

Rules, Regulations, Research and Resources. The Federal Surface Mining Control and Reclamation Act of 1977 requires that coal mine blasting be limited based on the site conditions so as to prevent: injury to persons, damage to public or private property outside the permit area, adverse impacts on any underground mine, and change in the course, channel, or availability of surface or ground ...

CHAPTER 9: DRILL AND CERMONY DRILL PROCEDURES

9-1, illustrates some drill formations. You will need to know the following drill terms: Element: This is an individual, squad, section, platoon, company, or larger unit formed as part of the next higher unit. Formation: This is an arrangement of the unit's elements in a prescribed manner such as a line

PPT – Drilling. PowerPoint presentation | free to download ...

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IMPROVISED EXPLOSIVE DEVICE

(10) Hidden behind cinder blocks, or piles of sand to direct blast into the kill zone. (11) Animal carcasses and deceased human bodies. (12) Fake bodies or scarecrows in coalition uniforms. (13) At the edge of town. c. Vehicle Borne IED/Suicide VBIED - VBIED is a parked vehicle in a high traffic area with the intent of causing the most damage.

Basics of drilling 1 - SlideShare

Mar 13, 2012· 3.1.2 Drilling application1. Percussion drills Percussion drills generally plays a minor role as compared with rotary machines in surface mining operations. Their application is limited to production drilling for small mines, secondary drilling, development work and controlled blasting There are two main types of drill …

drill and blasting powerpoint - mgcricket.co.za

Recommended drill and blasting powerpoint. GE 5471 ROCK ENGINEERING Instructional Objectives CH 13 ... CH 13 – Blasting Dr. Norbert H. Maerz Missouri University of Science and Technology (573) 341-6714 [email protected] Instructional Objectives 1. Explain, for a given situation, where drill and blast or mechanical excavation should be used for removing rock.

Drilling jumbo - Wikipedia

A Drilling jumbo or drill jumbo is a rock drilling machine.. Use. Drilling jumbos are usually used in underground mining, if mining is done by drilling and blasting.They are also used in tunnelling, if rock hardness prevents use of tunnelling machines.

(PDF) Optimisation of Drill and Blast Parameters Using ...

The blast engineer will only need to input parameters such as proposed: Bench parameters (bench height, drill angle, number of holes to be blasted, and drilling accuracy), rock parameters (GSI ...

Oil and Gas Drilling - The Process - FracTracker

The drill is then retracted and pulls the loose rocks and sediment to the surface to be discarded (i.e., drilling muds). Surface casing (steel piping) is inserted into the bore hole to protect freshwater aquifers by creating a physical barrier between the aquifer and drilling materials. This casing also serves as a foundation for the blowout ...

OSHA Training: Respirable Crystalline Silica in ...

Dust containing crystalline silica is generated when, for example, power tools are used to chip, cut, saw, drill, grind, sand, or crush crystalline silica-containing materials; it is also produced when sand is used in abrasive blasting. This dust contains respirable particles of crystalline silica.

GUIDE FOR TUNNELLING WORK

4.4 Drill and blast 33 4.5 Portal protection 34 4.6 Inspections and scaling 35 4.7 Ground support 36 4.8 Sprayed concrete 37 4.9 Shafts 38 4.10 Shaft sinking 39 4.11 Raise boring 40 4.12 Raised shafts 40 4.13 Caissons 41 4.14 Ground freezing 42 4.15 Pipe jacking 43 4.16 Compressed air tunnelling 44 ...

Table Saw Safety and Operationx

• Open blast gate and turn dust collection on. • Turn saw on. • Stand to either side of the saw blade. Never stand directly behind blade. • While cutting, keep fingers and hands from passing through the plane in which the saw blade is. When moving hands, pick them up and bring them into you first. Never slide or swing arms around saw.

Appendix 2.2 Tunnel Construction Methods

2.2 Drill and Blast This tunnelling method involves the use of explosives. Drilling rigs are used to bore blast holes on the proposed tunnel surface to a designated depth for blasting. Explosives and timed detonators are then placed in the blast holes. Once blasting is carried out, waste rocks and soils are transported out of the

Drilling and Blasting - Health and Safety Authority

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.

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NOVANorthern ia Community College. Office of Emergency Management and Planning. Fire: Activate the fire alarm and call 703-764-5000 or 911. If there is …

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earthworks related services, including drill and blast, mining of waste materials, equipment hire and subcontractor management across three operating areas 50/50 JV with a leading Indonesian contractor Contract commenced in January 2016 and has exceeded production targets. Strong relationship with the client and community Telfer Newcrest

Home | Piedmont Drilling and Blasting | United States

At Piedmont Drilling & Blasting, we bring the highest quality precision drilling and blasting services to every job site we work on. With a combined 75+ years of industry experience, our professional team will meet your needs in a safe and efficient manner.

Appendix E6 - OP Drilling, Blasting, and Orica

The approximate capital costs for a P&H 320A size drill is $5.6M. Budgetary 2.3.2 Drilling Operating Costs The September 2012 PFS report shows drilling costs of $0.05/tonne mined. Approximate operating costs of a 311mm drill are $293/op hr. 3. Blasting Blasting operations will be performed by mine personnel on a 7 day per week, day shift continuous

Safety Risk Investigation of Horizontal Directional ...

The drill head has a slant face that enables steering of the drill string in the desired direction . 3 . based on the real-time location monitoring during the drilling. The drill head is also equipped with a monitoring device that transmits information to an above surface receiver and the information of interest includes its horizontal and ...

Optimization of drilling and blasting operations in an ...

Drilling and blasting play vital roles in opencast mining. These operations not only affect the cost of production directly but as well and significantly, the overall operational costs. This research was carried out to find a possible way of optimizing the drilling and blasting operations in an open pit mine of Somair (Société des Mines de l ...

Drilling Contractor - Drill & Blast, Line Drilling and ...

Orana Drill and Blast specialises in a wide range of drilling and blasting methods from quarries civil and mining, coal mine rock rehab projects, road and rail line hill cuttings, pipe trenching, pre split drilling, low vibration blasting, line drilling and rock peppering for hammer excavation and soil nail drilling.