DOCSLIB.ORG

National Park Service:National Park Service Handbook for the Storage, Transportation, and Use of Explosives

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
National Park Service:National Park Service Handbook for the Storage, Transportation, and Use of Explosives National Park Service:National Park Service Handbook for the Storage, Transportation, and Use of Explosives NATIONAL PARK SERVICE National Park Service Handbook for the Storage, Transportation, and Use of Explosives NATIONAL PARK SERVICE HANDBOOK for the Transportation, and Use of Explosives 1999 TABLE OF CONTENTS /index.htm Last Updated: --2007 http://www.nps.gov/history/history/online_books/npsg/explosives/index.htm[12/6/2013 5:13:45 PM] National Park Service:National Park Service Handbook for the Storage, Transportation, and Use of Explosives (Table of Contents) NATIONAL PARK SERVICE National Park Service Handbook for the Storage, Transportation, and Use of Explosives TABLE OF CONTENTS COVER (HTML) CONTENTS (PDF) Chapter 1 - GENERAL REQUIREMENTS (PDF) Federal Regulations Explosives Use Program Blasting Personnel Training Certification Blasting Review Board Specifications for Contracts Proper Tools for Good Blasting Job Safety Analysis Chapter 2 - EXPLOSIVES (PDF) Theory of Explosives Mechanics of Blasting Properties of Explosives Classification of Explosives Blasting Agents and Ammonium Nitrate Selection of Explosives Initiating Devices Chapter 3 - STORAGE (PDF) Explosives Magazines Magazine Inspection Magazine Construction Storage Within Magazines Inventory Two-Component Cap Sensitive Explosives Storing Explosives in Remote Locations Chapter 4 - TRANSPORTATION (PDF) Transporting Explosives by Motor Vehicle Transporting Explosives with Pack Stock Transporting Explosives with Trail Vehicles and ATVs Transporting Explosives by Vessel Transporting Explosives by Aircraft http://www.nps.gov/history/history/online_books/npsg/explosives/contents.htm[12/6/2013 5:14:00 PM] National Park Service:National Park Service Handbook for the Storage, Transportation, and Use of Explosives (Table of Contents) Chapter 5 - BLAST AREA SECURITY (PDF) Area Security Signing Signal Systems Area Inspections Chapter 6 - INITIATION (PDF) Components Used in Electric Blasting Ohms Law Electric Blasting Caps Electric Blasting Circuits Splicing Primers Exploding Bridgewire Detonators Detonating Cord Wiring Firing Procedures Blasting with Detonating Cord Detaline Detonating Cord Systems Nonelectric Initiation Systems The Nonel System Chapter 7 - LOADING BOREHOLES (PDF) Priming Charge Loading, Tamping, and Stemming Delay Primers Chapter 8 - BLAST DESIGN (PDF) Hole Patterns Delay Patterns Powder Factor Burden-Spacing Calculations Borehole Coupling Explosives Economic Blast Design Chapter 9 - GENERAL ROCK REMOVAL (PDF) Principles of Drilling Importance of Drilling and the Driller Bench Blasting Secondary Blasting Lifters and Snakeholes Charge Distribution Trenching Need for Controlled Blasting Shock Energy/Heave Energy Use of EBCs in Utility and Light Construction Industry Use of Detonating Cord Relationship of Boostering ANFO to Detonation Velocity Use of ANFO in Utility and Light Construction Industry http://www.nps.gov/history/history/online_books/npsg/explosives/contents.htm[12/6/2013 5:14:00 PM] National Park Service:National Park Service Handbook for the Storage, Transportation, and Use of Explosives (Table of Contents) Used Conveyor Belting Blasting Mats Trenching (Track Drill) Double Priming Trench Shooting (Hand-held Rock Drill) Pit Shooting Pole Hole Shooting Boulder Breaking Stump Shooting Hazard Tree Felling Post Hole Shooting Chapter 10 - GENERAL BLASTING (PDF) Blasting Mats Sequential Blasting Destruction of Explosives (Non-Deteriorated Product) Disposing of Deteriorated or Damaged Explosives Ground Vibration and Air Blast Blasting Vibration and Air Blast General Safety in Blasting Practices Chapter 11 - SPECIALIZED BLASTING TECHNIQUES (PDF) Avalanche Blasting Military Weapons Fireline Explosives Burnol Backfiring Devices Animal Carcass Removal with Explosives Non-Detonating Rock Breaking Tool Air Gapping Expansion Alternatives Expanding Grout GLOSSARY OF FREQUENTLY USED TERMS (PDF) REFERENCES (PDF) APPENDIX A - Blasting Specialties and Requirements for Certification (PDF) APPENDIX B - Standard Explosives Use Specification for Contracts (PDF) INDEX (PDF) explosives/contents.htm Last Updated: 27-Jun-2007 http://www.nps.gov/history/history/online_books/npsg/explosives/contents.htm[12/6/2013 5:14:00 PM] National Park Service:National Park Service Handbook for the Storage, Transportation, and Use of Explosives NATIONAL PARK SERVICE National Park Service Handbook for the Storage, Transportation, and Use of Explosives NATIONAL PARK SERVICE HANDBOOK for the Transportation, and Use of Explosives 1999 TABLE OF CONTENTS /index.htm Last Updated: --2007 http://www.nps.gov/history/history/online_books/npsg/explosives/index.htm[12/6/2013 5:14:02 PM] National Park Service Handbook for the Storage, Transportation, Training for Explosives Use, and Handling of Explosives CONTENTS Chapter 1 - GENERAL REQUIREMENTS Federal Regulations ................................................... ...............1 Explosives Use Program........................................................... 4 Blasting Personnel .................................................................... 4 Training..................................................................................... 8 Certification ............................................................................ 10 Blasting Review Board ........................................................... 14 Specifications for Contracts .................................................... 14 Proper Tools for Good Blasting .............................................. 17 Job Safety Analysis...................................................................18 Chapter 2 - EXPLOSIVES Theory of Explosives .............................................................. 21 Mechanics of Blasting ............................................................. 23 Properties of Explosives ......................................................... 24 Classification of Explosives ................................................... 27 Blasting Agents and Ammonium Nitrate .................................. 30 Selection of Explosives........................................................... 32 Initiating Devices .................................................................... 35 Chapter 3 - STORAGE Explosives Magazines ............................................................. 39 Magazine Inspection ................................................................ 41 Magazine Construction ............................................................ 42 Storage Within Magazines ....................................................... 43 Inventory ................................................................................. 53 Two-Component Cap Sensitive Explosives ............................ 55 Storing Explosives in Remote Locations ................................. 55 i Chapter 4 - TRANSPORTATION Transporting Explosives by Motor Vehicle ............................. 57 Transporting Explosives with Pack Stock ............................... 75 Transporting Explosives with Trail Vehicles and ATVs.......... 76 Transporting Explosives by Vessel.......................................... 76 Transporting Explosives by Aircraft ....................................... 77 Chapter 5 - BLAST AREA SECURITY Area Security .......................................................................... 85 Signing .................................................................................... 85 Signal Systems ........................................................................ 86 Area Inspections...................................................................... 87 Chapter 6 - INITIATION Components Used in Electric Blasting .................................... 89 Ohms Law ............................................................................... 90 Electric Blasting Caps............................................................. 90 Electric Blasting Circuits ........................................................ 91 Splicing ................................................................................... 92 Primers... ................................................................................. 93 Exploding Bridgewire Detonators........................................... 95 Detonating Cord ...................................................................... 95 Wiring ..................................................................................... 97 Firing Procedures .................................................................... 98 Blasting with Detonating Cord ...............................................101 Detaline Detonating Cord Systems ......... ...............................104 Nonelectric Initiation Systems............................................... 105 The Nonel System ................................................................. 105 Chapter 7 - LOADING BOREHOLES Priming Charge...................................................................... 107 Loading, Tamping, and Stemming .......................................... 109 Delay Primers ....................................................................... 110 Chapter 8 - BLAST DESIGN Hole Patterns ......................................................................... 113 Delay Patterns ....................................................................... 114 ii Powder Factor....................................................................... 115 Burden-Spacing Calculations ................................................ 115 Borehole
Load more

Recommended publications
  • Fire Restrictions
    United States Department of the Interior BUREAU OF LAND MANAGEMENT Color Country District 176 East DL Sargent Drive Cedar City, UT 84721 https://www.blm.gov/utah FIRE PREVENTION ORDER: UT-020-21-01 Pursuant to regulations of the Department of the Interior, found at Title 43 CFR 9212.1 (h), the additional following acts are prohibited on Bureau of Land Management (BLM) lands, roads, waterways, and trails, in the State of Utah, until rescinded by the Color Country District Manager. Area Description: All BLM administered public lands within the Color Country District in Washington, Iron, Beaver, Kane, and Garfield counties, Utah. This order is effective at 00:01 a.m. on Wednesday, May 26, 2021 and will remain in effect until rescinded. This order also rescinds all previous orders covering BLM administered public lands in those counties. Prohibited Acts: 1. No campfires using charcoal, solid fuels, or any ash-producing fuel, except in permanently constructed cement or metal fire pits located in agency developed campgrounds and picnic areas. Examples of solid fuels include, but are not limited to wood, charcoal, peat, coal, Hexamine fuel tablets, wood pellets, corn, wheat, rye, and other grains. Devices fueled by petroleum or liquid petroleum gas with a shut-off valve are approved in all locations if there is at least three feet in diameter that is barren with no flammable vegetation. 2. Smoking except within an enclosed vehicle, covered areas, developed recreation site or while stopped in a cleared area of at least three feet in diameter that is barren with no flammable vegetation.
    [Show full text]
  • Sunnyside 59 SGC-073806 Colorado
    MINE SAFETY & TRAINING PROGRAM OPERATOR’S ANNUAL REPORT REPORT YEAR 1995 Mins Num ber: ¿ P i____________ Location: Section 21 Township_42j_Range_7M. Mine Name: Sunnyside Mine_________________________ Countv San Juan-------- ANNUAL ACTIVITY Idle X Reclamation X Rehabilitation________ Exploration_________ Development_________ _ Production---------- Crude Tonnage: Tons______ __________________ Yards. Drivage Footage: Shafts____________________„ ( f t ) Raise— -------------------------------------(ft) Drifts/Entries _ _ ___________ ____________ — ------------ ------------------^ Map Submitted (Y/N) Y______ Year's Estimated Reserves ,,_,N/A----------------------------- PRODUCTION FOR THE YEAR Current Year: Amount Value Current Year: Amount Value Coal (tons)___________ $____________ Gold (ozs) ------------------- $-------------------- Gem Stones (lbs) __________ $____________ Lead (ibs) ------------------ $ ------------------- . Silver (ozs) ___________ $____________ Molybdenum (lbs) ------------------ $-------------------- Zinc (lbs) ___________ $ ___________ _ Cadmium (ibs) -------------------- $-------------------- Uranium (ibs) ___________ $ ____________ Vanadium (Ibs) -------------------- $-------------------- Oil-.Shale . (bri). :__________ $ - Copper (ibs) ------------- -------- $_------------ ------ Tungsten (lbs) __________ $____________ Tourist (ea.) -------;— $ ------------------------ Rock (tons)__________ $____________ Misc. Metals ------------------ $-------------------- EMPLOYMENT STATISTICS Average Employment: Underground Mine
    [Show full text]
  • Catalog 2012
    Order Online: www.blasterstool.com E-mail: [email protected] Quality Products, Ph: 800-634-6250 / 502-859-3850 Competitive Pricing, Fax: 502-859-3851 Customer Satisfaction. 25 Years of Service Specializing in Accessories for: Blasting / Explosives EOD / Law Enforcement Catalog: 12.13 www.blasterstool.com / 800-634-6250 Blasters Tool and Supply Company is dedicated to provide exceptional customer service and competitive pricing. It is Contact Information: our dedication that has moved us to the leader in blasting Phone: and EOD/Law Enforcement supplies. Our commitment to 800-634-6250 or 502-859-3850 provide complete customer satisfaction has encouraged our customers to return time after time. Fax: 502-859-3851 Please review our new catalog and discover the new products that we now offer. The catalog is full of items Website: to make your job easier and safer. When selecting new www.blasterstool.com products, quality comes first. So you can purchase with confidence. E-mail: [email protected] For your payment convenience we offer Net 30 day terms with an approved credit application or we also accept Visa, Address: Master Card or American Express. Blasters Tool & Supply Co., Inc. 1100 Dylan Drive If there is ever any question to our services or products, Lawrenceburg, KY 40342 please do not hesitate to contact us. Terms and Ordering Information Customer Service / Sales: Our staff is ready to assist you in any way. Please call 800-634-6250 or 502-859-3850 for information on any product or service. Pricing: Prices are provided on a separate price list. If you did not receive a price list, please call and we will gladly send you one.
    [Show full text]
  • Chapter 2 EXPLOSIVES
    Chapter 2 EXPLOSIVES This chapter classifies commercial blasting compounds according to their explosive class and type. Initiating devices are listed and described as well. Military explosives are treated separately. The ingredi- ents and more significant properties of each explosive are tabulated and briefly discussed. Data are sum- marized from various handbooks, textbooks, and manufacturers’ technical data sheets. THEORY OF EXPLOSIVES In general, an explosive has four basic characteristics: (1) It is a chemical compound or mixture ignited by heat, shock, impact, friction, or a combination of these conditions; (2) Upon ignition, it decom- poses rapidly in a detonation; (3) There is a rapid release of heat and large quantities of high-pressure gases that expand rapidly with sufficient force to overcome confining forces; and (4) The energy released by the detonation of explosives produces four basic effects; (a) rock fragmentation; (b) rock displacement; (c) ground vibration; and (d) air blast. A general theory of explosives is that the detonation of the explosives charge causes a high-velocity shock wave and a tremendous release of gas. The shock wave cracks and crushes the rock near the explosives and creates thousands of cracks in the rock. These cracks are then filled with the expanding gases. The gases continue to fill and expand the cracks until the gas pressure is too weak to expand the cracks any further, or are vented from the rock. The ingredients in explosives manufactured are classified as: Explosive bases. An explosive base is a solid or a liquid which, upon application or heat or shock, breaks down very rapidly into gaseous products, with an accompanying release of heat energy.
    [Show full text]
  • Schedule 1 — Authorised Explosives [Cl
    Schedule 1 — Authorised explosives [cl. 3] UN number Specified explosives of UN classification 1.1A (0129) Lead Azide (0130) Lead Styphnate (0135) Mercury Fulminate (0114) Tetrazene UN number Specified explosives of UN classification 1.1B (0029) Anoline Delay Detonators (ICI) (0029) Austin Delay Primer Delays (0225) Boosters, with Detonator (0029) Capped (Detonator) safety fuse (0360) Capped Fuse Delay Assembly (ICI) (0360) CXA MS Connectors (TES) (0030) Carrick Short Delay Detonators (ICI) (0030) Coal Mine Delay Detonators (Du Pont) (0360) Cordline Delay Detonators (ICI) (0030) Delay Detonators (0029) Detaline MS in the hole Delays (Du Pont) (0029) Detaline MS Surface Delays (Du Pont) (0029) Detaline Starter (Du Pont) (0029) Detonating Relays (0029) Detonators (0030) Du Pont Acudet Mark V Detonators (0360) Du Pont Detaslide (0030) Du Pont SSS Seismic Detonators (0030) Electric Delay Detonators (ERT) (0030) Electric Detonators (0030) Electric Instantaneous II Detonators (ICI) (0030) Electric Super SP (DWL) (0030) Electric Super Seismicdet (DNAP) (0360) Etinel Non Electric Detonators (ERT) (0360) Exel Bunchdet Detonators (ICI) (0360) Exel Connectadet Detonators (ICI) (0360) Exel Detonators (ICI) (0360) Exel Detonators (MS & LP Series) (ICI) (0360) Exel Enduredet Detonators (ICI) (0360) Exel Goldet Detonators (ICI) (0360) Exel Lead-In Line (ICI) (0360) Exel LLHD Detonators (ICI) (0360) Exel MS Connectors (ICI) (0360) Exel Trunkline Delay (ICI) (0360) Fanel Non Electrical Delay Detonators (TES) (0360) Fuse Delay Assembly (0030) High Pressure
    [Show full text]
  • Tools and Machinery of the Granite Industry Donald D
    ©2013 The Early American Industries Association. May not be reprinted without permission. www.earlyamericanindustries.org The Chronicle of the Early American Industries Association, Inc. Vol. 59, No. 2 June 2006 The Early American Industries Contents Association President: Tools and Machinery of the Granite Industry Donald D. Rosebrook Executive Director: by Paul Wood -------------------------------------------------------------- 37 Elton W. Hall THE PURPOSE of the Associa- Machines for Making Bricks in America, 1800-1850 tion is to encourage the study by Michael Pulice ----------------------------------------------------------- 53 of and better understanding of early American industries in the home, in the shop, on American Bucksaws the farm, and on the sea; also by Graham Stubbs ---------------------------------------------------------- 59 to discover, identify, classify, preserve and exhibit obsolete tools, implements and mechani- Departments cal devices which were used in early America. Stanley Tools by Walter W. Jacob MEMBERSHIP in the EAIA The Advertising Signs of the Stanley Rule & Level Co.— is open to any person or orga- Script Logo Period (1910-1920) ------------------------------------------- 70 nization sharing its interests and purposes. For membership Book Review: Windsor-Chair Making in America, From Craft Shop to Consumer by information, write to Elton W. Hall, Executive Nancy Goyne Evans Director, 167 Bakerville Road, Reviewed by Elton W. Hall ------------------------------------------------- 75 South Dartmouth, MA 02748 or e-mail: [email protected]. Plane Chatter by J. M. Whelan An Unusual Iron Mounting ------------------------------------------------- 76 The Chronicle Editor: Patty MacLeish Editorial Board Katherine Boardman Covers John Carter Front: A bucksaw, patented in 1859 by James Haynes, and a nineteenth century Jay Gaynor Raymond V. Giordano saw-buck. Photograph by Graham Stubbs, who discusses American bucksaws Rabbit Goody in this issue beginning on page 59.
    [Show full text]
  • Hard Rock Excavation at the CSM/OCRD Test Site Using Swedish Blast Design Techniques
    BMI/OCRD-4(3) Distribution Category UC-70 Hard Rock Excavation at the CSM/OCRD Test Site Using Swedish Blast Design Techniques Technical Report September 1983 Roger Holmberg of Swedish Detonic Research Foundation Consultant to Colorado School of Mines prepared for Office of Crystalline Repository Development Battelle Memorial Institute 505 King Avenue Columbus, OH 43201 The content of this report was effective as of July 1983. This report was prepared by the Department of Geological Engineering, Colorado School of Mines under Subcontract E512-04800 with Battelle Project Management Division, Office of Nuclear Waste Isolation and Office of Crystalline Repository Develop- ment under Contract Nos. EY-76-C-06-1830 and DE-ACO2-83CH10140 with the U.S. Department of Energy. REPRODUCED BY: U.S. Department of Commerce National Technical information SOP/1CO ,Springfield, Virginia 22161 BIBLIOGRAPHIC DATA Holmberg, Roger,1983. Hard Rock Excavation at the CSM/OCRD Test Site Using Swedish Blast Design Techniques, BMI/OCRD-4(3), prepared by Swedish Detonic Research Foundation for Colorado School of Mines for Office of Crystalline Repository Development, Battelle Memorial Institute, Columbus, OH. NOTICE This report was prepared as an account of work sponsored by an agency of the United Stati.L. Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
    [Show full text]
  • A Simplified Guide to Explosives Analysis Introduction a Backpack Left on a Crowded City Street
    A Simplified Guide to Explosives Analysis Introduction A backpack left on a crowded city street. A gunman’s apartment. A meth lab in an abandoned building. These are all areas where explosives have been found ― ready to detonate, endangering lives and property. In today’s law enforcement environment, officers are more sensitive than ever to the possible existence of explosive devices. The bomb squads who respond to these situations are highly trained to identify explosives and to dispose, disrupt or render them safe. In a situation where an explosion has occurred, investigators will scour the area to piece together clues to help identify the type of device used and gather all available physical evidence or witness testimony that could help lead to the bomber. Fragments of circuit boards, fingerprints, even pieces of pet hair have been used to help narrow the investigation and nab a perpetrator. Principles of Explosives Analysis Explosives are used for a variety of legitimate applications from mining to military operations. However, these materials can also be used by criminals and terrorists to threaten harm or cause death and destruction. Bombs can be either explosive or incendiary devices, or a combination of the two. An explosive device employs either a liquid, a powder, or a solid explosive material; an incendiary device is flammable and is intended to start a fire. Explosives are classified according to the speed at which they react. High explosive materials, such as dynamite, Trinitrotoluene (TNT), C-4 and acetone peroxide, react at a rate faster than the speed of sound in that material (TATP), causing a loud detonation.
    [Show full text]
  • Proceedings of the Ninth Annual Alaska Conference on Placer Mining
    PROCEEDINGS OF THE NINTH ANNUAL ALASKA CONFERENCE ON PLACER MINING 'PLACER MINING - JOBS FOR ALASKA" MARCH 18-25. 1987 Compiled by Mary Albanese and Bruce Campbell Prom cover: Tlra Colomdo Creek mammoth skull being wmpped In 0 plaallc jacket in prepamrlon lor rhbment lo the LiAF Jlureurn. Photo rourtrJv Uniuerrity 01 Alarka Mureum. SPONSORED BY Placer Miners of Alaska Alaska Miners Association Alaska Women in Mining - Mining Advocacy Council ORGANIZING COMMITTEE Gail Ackles,,...... ................... Circle Mining District Mary Albanese.. .......................Alaska DivlsFon of Geological and Geophysical Surveys Lela Bouton ...........................Koyukuk Mining District Roger Burggraf ........................Fairbanks Mining District Jeff Burton ...........................Tanana Valley Community College Bruce Campbell ........................Special Technical Assistant Karen Clautice ........................ Alaska Division of Geological and Geophysical Surveys Judy Geraghty livengood- good-Toovaa Mining District Kathy Gaff........... .................Alaeka Miners Association Charles Green .........................Alaska Division of Mnerals and Forest Products Brent Aamil ...........................University of Alaska Jim Madonna ........................... University of Alaska Rose Rybachek .........................Alaska Miners Association Rosalyn Stowell ....................... Alaska Women in Mining Mary-Lou Teal., ....................... Alaska Women in Mining Dan Walsh...... .......................University of Alaska,
    [Show full text]
  • United States Department of the Interior
    United States Department of the Interior BUREAU OF LAND MANAGEMENT Paria River District 669 South Highway 89A Kanab, UT 84741 https://www.blm.gov/utah FIRE PREVENTION ORDER: UT-020-20-01 Pursuant to regulations of the Department of Interior, found at Title 43 CFR 9212.1 (h), the additional following acts are prohibited on Bureau of Land Management (BLM) lands, roads, waterways, and trails, in the State of Utah, until rescinded by the Paria River District Manager. Area Description: All BLM administered public lands in Kane and Garfield County, Utah. This order is effective at 00:01 a.m. on Friday, June 26, 2020 and will remain in effect until rescinded. Prohibited Acts: 1. No campfires, except in permanently constructed cement or metal fire pits provided in agency developed campgrounds and picnic areas. 2. Grinding, cutting, and welding of metal. 3. Operating or using any internal or external combustion engine without a spark arresting device properly installed, maintained and in effective working order as determined by the Society of Automotive Engineers (SAE) recommended practices J335 and J350. Refer to Title 43 CFR 8343.1. 4. Possession and/or detonation of explosives, including exploding targets as defined by the Bureau of Alcohol, Tobacco, Firearms and Explosives in 27 CFR 555. 5. Fireworks and Incendiary or chemical devices, and pyrotechnics as defined in 49 CFR 173. Binary Explosive Definition: Binary explosive- includes, but is not limited to, pre-packaged products consisting of two separate components, usually an oxidizer like ammonium nitrate and a fuel such as aluminum or another metal. These binary explosives are defined by the Bureau of Alcohol, Tobacco, Firearms and Explosive in 27 CFR 555.
    [Show full text]
  • ACCESSORIES Accessories
    ACCESSORIES Accessories Detonating cords are high velocity flexible cords, filled A purpose manufactured detonating cord cutter with PETN which detonates at 7000 m per second. This designed to be employed for the safe cutting of product is waterproof with a continuous covering of detonating cords. The device has an internal blade that orange, blue, yellow or red plastic. The colour depicts reduces the risk of operator self-injury. the different strength available. The Mantis is a specifically designed device to which AEL detonators are clipped. The main objective is to centralize the detonator at the toe. This is to ensure maximum immersion of the detonator into the emulsion. Pentolite primers are plastic cylinders filled with a very energetic explosive comprising of a mixture of PETN and TNT. The primers incorporate circular detonator channels for easy insertion of a detonator or detonating cord. The detonator channel is stepped to prevent the detonator from protruding from the primer and to ensure its proper location. The Hot-Hole monitor is used as a safety device which monitors temperature changes in hot/reactive blast-holes at the measurement point. This can reduce the risk of being in a life-threatening situation as it audibly indicates when pre- determined temperature tolerances have been reached within the blast- hole. This early warning safety device will give the end-user sufficient warning to evacuate a bench is undergoing a potentially dangerous increase in temperature. 120 AEL Intelligent Blasting ACCESSORIES General Specifications
    [Show full text]
  • Guide for the Selection of Commercial Explosives Detection Systems For
    2.5.3.8 EXPRAY Field Test Kit EXPRAY is a unique, aerosol-based field test kit for the detection of what the manufacturer refers to as Group A explosives (TNT, DNT, picric acid, etc.), Group B explosives (Semtex H, RDX, PETN, NG, smokeless powder, etc.), and compounds that contain nitrates that are used in improvised explosives. Detection of explosive residue is made by observing a color change of the test paper. EXPRAY can be used in a variety of applications, and although in some aspects it does not perform as well as many of the other trace detectors discussed in this section, it costs only $250. This very low cost, coupled with simplicity and ease of use, may make it of interest to many law enforcement agencies (see the EXPRAY kit in fig. 13). The EXPRAY field kit2 is comprised of the following items: - one can of EXPRAY-1 for Group A explosives, - one can of EXPRAY-2 for Group B explosives, - one can of EXPRAY-3 for nitrate-based explosives (ANFO, black powder, and commercial and improvised explosives based on inorganic nitrates), - special test papers which prevent cross contamination. Figure 13. Photo of the EXPRAY Field Test Kit for explosives Initially, a suspected surface (of a package, a person’s clothing, etc.) is wiped with the special test paper. The paper is then sprayed with EXPRAY-1. The appearance of a dark violet-brown color indicates the presence of TNT, a blue-green color indicates the presence of DNT, and an orange color indicates the presence of other Group A explosives.
    [Show full text]