Exam (elaborations)
OSHE 382 Final Exam Questions & Detailed Answers
- Course
- OSHE 381
- Institution
- University Of California - Berkeley
OSHE 382 Final Exam Questions & Detailed Answers
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OSHE 382 Final Exam Questions & DetailedAnswers
What is the size of the crane danger zone when working near power lines? - ANS A
radius of 10 feet
What are four methods used to safely control power lines? - ANS -Reenergize
-Relocate
-Bury
-Insulate
What a demolition engineering survey used for? (2) - ANS -To determine the
condition of the building's framing, floors and walls
-To evaluate the possibility of an unplanned collapse
Who must create a engineering survey prior to demolition? - ANS A competent
person
Who must fill out the construction blasting survey? - ANS A qualified person
Who should be directing the explosives work if a demolition? - ANS A structural
engineer or competent person
, What is a blasting permission for the use of explosives based on? - ANS A minimum
of 90 degrees of open space extended vertically for at least 150% of the structure's
height
What are the three phases of construction site preparation? - ANS Removal of
power lines, demolition, and blasting
What three things must be done before blasting occurs? - ANS -A written survey
must be completed by a qualified person
-Seismic and vibration tests must be performed
-A permission for the use of explosives must be obtained
Why are seismic and vibration tests performed before blasting? - ANS To
determine the proper safety limits
Open fires and flames should are prohibited within ___ feet of any explosive
material. - ANS 100 Feet
A ____ is a competent person who uses explosives. - ANS Blaster
The overall demolition plan should include: (List 4) - ANS -The Methods used to
bring down the structure
-The sequence of demolition work
-The equipment needed to perform the project
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