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PROCEDURES FOR BLASTING

PROCEDURES FOR BLASTING GEOTECHNICAL ENGINEERING MANUAL GEM-22 Revision #4 AUGUST 2015 EB 15-025 Page 1 of 17 GEOTECHNICAL ENGINEERING MANUAL: PROCEDURE FOR BLASTING GEM-22 Revision #4 STATE OF NEW YORK DEPARTMENT OF TRANSPORTATION GEOTECHNICAL ENGINEERING BUREAU AUGUST 2015 EB 15-025 Page 2 of 17 TABLE OF CONTENTS 1. A. Purpose ..3 B. General ..3 C. Definitions ..6 2. PROCEDURES FOR BLASTING WITHIN NYSDOT ROW ..14 A. Submittal of Written blast Plan ..14 B. Scheduling Preblast Meetings ..15 C. Conducting Preblast Meetings ..15 D. Inspection and Documentation.

waves. 6. Misfires Misfires happen when a loaded hole, portion of a loaded hole, or several loaded holes fail to detonate during a blast. Misfires can be caused by failure of the detonation system or by explosive column cutoffs. Sometimes it is apparent immediately after a blast that a misfire has occurred.

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