RH Next Quiz (Safety)

Which definition is not related to confined space?

• Enclosed or partially enclosed space

• Atmospheric pressure during occupancy

• Harmful contaminants

• Intended and designed for continuous occupancy

The PTW and confined space entry certificate is valid up to a maximum XX hours?

• 24 hours

• 12 hours

• 6 hours

• 1 hour

The atmosphere that may expose employees to the risk  of death in confined space EXCEPT :

• LEL <1%

• LEL >1%

• Oxygen content below 19.5% by volume

• Oxygen content higher than 23.5 % by volume

Full body harness with double lanyards that secured to a suitable anchor point shall be used when working above 2 meters under the following conditions EXCEPT :

• Erecting, modifying or dismantling scaffolding

• Top of trucks/tankers

• Monkey ladder that is equipped with a cage guard

• Grating, floorboard, guardrail or toe-board has been removed

What hazard can be identify from this picture?

• Falling through opening

• Falling object

• Over reaching

• No edge protection

Which one is not the mitigation to prevent fall into opening?

• Cover the opening

• Barricade

• Warning sign

• Full body harness with double lanyard

What is the hazard presence during excavation works?

• Ground failures

• Moving objects

• Underground utilities

• Health hazard

What documents should NOT be included in the PTW for the excavation work?

• Excavation Plan

• Gas testing

• Rescue Plan

• Confined space entry certificate

What are the engineering controls can be used to reduce the risk of ground collapse during the excavation? (You may choose more then 1 answer)

• Benching

• Battering

• Shoring

In the ZETO Rule PETRONAS, which are the correct sequence for Confined Space Entry (CSE) , Working at Height (WAH) and Excavation?

• CSE - 3

  WAH - 4

  Excavation - 5

• CSE - 4

  WAH - 5

  Excavation - 7

• CSE - 2

  WAH - 4

  Excavation - 6

• CSE - 8

  WAH - 4

  Excavation - 7