Introduction to demolition Questions and Answers 2023 Complete

Introduction to demolition Questions and Answers 2023 Complete No part of the demolition process should adversely affect the structural integrity of any other building - True To protect workers undertaking demolition activities, ... zones should be considered to prevent unauthorized personnel entering work areas - Exclusion Where possible, fire damaged, ruinous or structurally unsound buildings or structures should be demolished by manually means - False The first step in the risk management process is to identify the... associated with demolition work - Hazards/ hazard Induced - .... collapse involves the systematic / sequential removal of key structural members and the application of a force to result in the controlled collapse of all or part of a building or structure Using a mechanical demolition method rather than a manual method, if it is safer - Substitution Using concrete barriers to separate pedestrians and powered mobile plant to reduce the risk of collision - Isolation Fitting an open cab excavator with a falling objects protective structure to minimize the risk of being struck by a falling object - Engineering controls If the demolition involves high risk construction work a ... work method statement must be prepared before the work starts - Safe Which of these is best for lifting and lowering plant and / or materials ? - Cranes The demolition of an element of a structure that is load - bearing or otherwise related to the physical integrity of the structure is seen as low risk construction work - False Contains tendons (wires, strands or bars) that have been tensioned before the concrete is placed - Pre - tensioned concrete Contains tendons that have been tensioned after the concrete has hardened - Post - tensioned concrete