Karen Normanton, senior technical services engineer with Orica, outlines how the two parties were able to optimize blast performance, improve size and shape, and reduce costs per tonne of rock.
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Blast vibration is described using the following terms: Displacement - the distance the particles move, usually only a few ten-thouhs to a few thouhs of an inch. Particle Velocity - how fast the particles move. Since the velocity is continually changing, the maximum, or Peak Particle Velocity (PPV), is the important value. ...
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There are several considerations in designing an efficient crushing and screening plant. The first is the raw materials to be crushed. The quarry shot material should be analysed for maximum feed size, gradation, chemical composition, amount of clay, hardness and variations within the deposit or ledges. A list of product sizes needs to be determined as well as the …
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DOCUMENT CONTROL DOCUMENT 11737_SWMP_CMA3F.docx TITLE Soil and Water Management Plan, Blakebrook Quarry, Blakebrook, New South Wales PROJECT MANAGER C. Anderson AUTHOR(S) C. Anderson, A. Fullagar, S. McGhee & B. McRae CLIENT Lismore City Council CLIENT CONTACT Eleisha Went CLIENT REFERENCE – SYNOPSIS This soil and …
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BlastIQ™ offers full control throughout the blasting process, delivering quality control management of blast design implementation through improved visibility and control of bench …
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results will be reported the Quarry after the blast event has occurred to ensure compliance has been adhered to. Blast results will be analysed and uploaded to Orica's blast management system BlastIQ™ within 24 hours of the blast event. Locations can be identified using the following map and have also been located using GPS.
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sbm drill blast crusherRock Crushing ARI has three portable rock crushing plants that operate in quarries throughout Oregon in order to support the overflow work for many of our rock crushing customers.For quarries that have difficult access,ARI has a …
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This Blast Management Plan is to ensure compliance with statutory requirements at Lynwood Quarry. The management plan addresses the requirements contained in the Development Consent (DA 128- 5-2005) and the Environment Protection Licence (EPL 12939).
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Explosives planning software. QuarryDetonator stands for easy and efficient explosives and delay-sequence planning. All recorded data from the 3D quarry face and hole surveys can be used to create suitable ignition plans (electric, non-electric, electronic) and blast diagrams. The software works with a database that is updated regularly and that contains all current …
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A quarrying manager at a site where more than four workers ordinarily work at any one time must hold an A-grade certificate of competence as a quarry manager. otherwise, they must hold a minimum of a B-grade certificate of competence as a quarry manager. More information on what is required for a certificate of
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Exchem Explosives employ the highly respected WipFrag software to measure the fragmentation in the post-blast rock pile. The associated WipJoint software can also be used to assess the natural in-situ fragmentation visible in …
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Dunmore Quarry operates drilling and blasting activities in accordance with a Ministerial consent granted in November 2004, issued for the Development Application DA 470-11-2003 and the …
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Most aggregate producers are well acquainted with the selection of crushing equipment, and know it is possible to select a piece of equipment based solely on spec sheets and gradation calculations. However, theoretical conclusions must always be weighed against practical experience of the material at hand and of the operation, maintenance and economical …
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Appendix E relevant to the quarry blasts. o Exclusion zone distances varied between documents . In one case, an exclusion zone was ... • Blasting procedures and blast management plans are updated to refer to blast exclusion zones. COMPLIANCE PRIORITIES OUTCOMES Blast exclusion zones in small mines 6 . Further resources .
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Voyager II Quarry Blast and Vibration Management Plan - REVISION 7 Page 1 1 Element/issue 1.1 Introduction This document presents the Blast and Vibration Management Plan for the BGC Voyager II Quarry as required under Condition 18 of the Minister for the Environment Statement Number 706, (Condition 706:M18) dated 16 December 2005.
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in the quarry and allow the working area to be cleared. This siren will be audible at some offsite locations and provides advance notice of an upcoming blast. In addition to sounding warnings at the site, quarry staff can contact residents within 500 m of the blast area who have requested that they receive advance notice of the blast.
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ADAIRSVILLE QUARRY 292 E. Mitchell Road Adairsville, GA 30103 770-773-3217 770-773-1673 Fax. Chad Bell, Plant Manager bellchad@vmcmail. Madison Barr, Sales Rep barrm@vmcmail. Directions: From Atlanta, take I-75 North to Exit 306 and turn right. Take the first road on the right (Mitchell Road). The quarry is on the left. ARAGON QUARRY ...
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Properties of blasted rock mass can change: between pits; within a pit; between bench levels; even within a bench. In blasting work explosives are detonated releasing their chemical …
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Quarry blast rains rocks in S. Burlington Explosion propels stone onto buildings, cars, airplanes By Matt Sutkoski, Free Press Staff Writer • September 25, 2008 SOUTH BURLINGTON, VT ... (Safety Manager, Pit Foreman, Labor Force Peers) Compare the …
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Primary blast initiation, note the path of shrapnel from the detonators which could cause a misfire. Good practice is to place 200 mm of cover over surface initiation systems. Large clay band in primary blast, manager decided to reduce charge weights around clay band and use a net to arrest the clay during blasting operation.
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Drilling and blasting is one of the first operations to be carried out in a quarry to gain the material for further processing. The vital process often starts with a detailed survey of the quarry face, which will enable the explosives engineer to design the blast and to plot where the shot holes should be drilled, enabling the task to be carried out safely and efficiently. The EPC …
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BMI TRAININGExcellence in Drill and Blast [RTO 31459]BMI CONSULTINGDesign, Assessment, Auditing and ComplianceBLASTPLAN SOFTWAREComprehensive Drill and Blast Design Package BLAST MANAGEMENT INTERNATIONAL BMI provides drill and blast training and consulting services to the surface and underground mining, quarry and construction industries. …
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• The Blast Management Plan does not detail if nominated warnings are given immediately prior to blasting. • The Blast Management Plan does not detail the procedures on how the shotfirer will initiate a misfire. • The blast exclusion zone during a lightning storm is not adequate for the protection of personnel.
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"Integrated blast management plans should address all aspects of blasting, aiming to optimise outcomes for safety, productivity, cost and the quarry's licence to operate," he said. "These [licence to operate] considerations include controlling potential blast effects such as vibration, airblast, noise and flyrock."
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Carved from a former limestone quarry in the 1960's, the historic Quarry Amphitheater located at the heart of the UC Santa Cruz campus reopened after a major renovation in October 2017
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1. Quarry Manager's Explosives Safety Checklist 2. Quarry Blasting Safety Checklist for Managers 3. Quarry Manager's Pre-Blast Checklist 4. Quarry Blasting Operations Checklist for Managers 5. Quarry Manager's Explosives Handling Checklist 6. Quarry Blasting Safety Protocol Checklist for Managers 7. Quarry Manager's Pre-Explosives ...
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Quarry Academy 2005 Blast Management Blast data Ampang Quarry Malaysia Rock type Granite Bench height 18 m Drill-hole diameter Ø89 mm Drill pattern 3x3 m2 Explosives Emulite 150 5 kg/hole ANFO 70 kg/hole Powder factor 0.46 kg/bm3 Photo: S.O. Olofsson. Quarry Academy 2005 Blast Management
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BlastManager enables the exchange of quarry face, hole deviation and GPS/GNSS survey data between handheld and PC. Data transfers are completely automated and therefore fast and …
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