Know the safety requirements for working safely in excavations and confined spaces in the building services industry
Quiz by Ricky Fleet
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14 questions
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- Q1Excavations in loose ground should...Have the sides supportedNever be attemptedOnly be cut narrowly to avoid collapseOnly be cut wide to avoid collapse30s
- Q2Vehicle stop blocks should be provided when working...In excavationsAt heightsWith LPG bottlesMoving sheet lead30s
- Q3An excavation over 2 metres in depth must...Have guard rails and toe boards providedOnly be accessed by those with an excavation certificateBe back filled at the end of each work dayNever be used for services pipework installation30s
- Q4Which of the following must be provided when work is being carried out in shallow excavations in firm ground?A competent person standing byTimber supportsA barrier to prevent public accessBreathing apparatus30s
- Q5In which of the following types of ground is the close boarded trench support system most likely to be required?Deep excavations with loose soilShallow excavations in compacted gravelTrench cut in concreteShallow excavations in clay30s
- Q6When working in excavations, which one of the following is correct...A plumber can remove shoring to install pipesThe sides of the excavations deeper than 1200mm should be sloped or shoredOperatives must wear a safety harnessFencing must be erected around trenches under 2m deep30s
- Q7The minimum length a ladder must extend from the top of an excavation is...1m0.5m0.9m1.5m30s
- Q8Which jointing method of pipework is not recommended while working in a trench...Fusion weldSoldering with LPGPush fitCompression30s
- Q9What is NOT considered a risk when working in an excavationFumesUndermining nearby structuresCollapse of the sidesWorking in pairs i.e., one in the trench and the other assisting from above30s
- Q10Which confined space are you required to use full respiratory protection?Plant roomUnder timber floorsRoof spaceTanks30s
- Q11How far away should the spoil (Mud/soil) be from the edge of the trench?At least 1mAt least 300mmAt least 3mAt least 2m30s
- Q12What item is fitted to stop vehicles from getting too close and causing a trench collapse or exhaust poisoning?FencingAppointed person to guide the vehicles awayVehicle stopsBollards30s
- Q13What must be placed at regular intervals along the trench?Warning signsShovelsFire extinguishersDust masks30s
- Q14It may be necessary to take air samples when working...In a public sewerWith loft insulationWith fluxesIn floor voids30s