Communication & Documentation Flashcards
7 cards from real CES practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Communication & Documentation flashcards as text
A construction blaster must notify which entity at least 24 hours before conducting a blast within an urban area, in addition to the ATF?
Answer: Local law enforcement, utilities, and any other required local authorities
Urban blasting requires advance notification to local law enforcement, utility companies, and other local authorities to coordinate safety and infrastructure protection.
In the context of CES documentation, a 'drill log' and a 'blast log' are distinct records because:
Answer: The drill log records hole parameters while the blast log records loading and firing data
Drill logs capture borehole geometry and conditions, while blast logs document the explosive loading, initiation design, and firing results.
When detonators from two different manufacturers are mixed in a single blast, what additional documentation requirement is typically triggered?
Answer: The blaster's log must note the compatibility verification performed
Mixing detonators from different manufacturers requires documenting that compatibility was verified, as incompatible systems can cause misfires.
A post-blast report that shows actual fragmentation results significantly coarser than designed should trigger which documentation action?
Answer: A design review note identifying variables that may have caused the deviation
Coarser-than-designed fragmentation should be analyzed and documented with a design review to improve future blast performance.
Which of the following is a required element of an electronic detonator system's documentation that is NOT required for electric or nonelectric systems?
Answer: The unique serial number or code assigned to each programmed detonator
Electronic detonators are individually programmable and serialized, requiring documentation of each unit's code to maintain accountability and verify correct timing.
A blasting supervisor must ensure that all personnel in the blast area have been accounted for before firing. The documentation that confirms this is called a:
Answer: Blast clearance or all-clear log
The blast clearance or all-clear log documents that all personnel and equipment have been evacuated to safe distances before the shot is fired.
If a regulatory inspector requests documentation for a blast conducted 18 months ago, and the records cannot be located, the most likely regulatory consequence is:
Answer: A citation for failure to maintain required records
Inability to produce required records typically results in a regulatory citation for records violations, with penalties depending on the severity and jurisdiction.