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Safety Final
CNS 550 Construction Safety final-KSU
| Question | Answer |
|---|---|
| What is a bearer or putlog | A horizontal transverse scaffold member (which may be supported by ledgers or runners) upon which the scaffold platform rests and which joins scaffold uprights, posts, poles, and similar members. |
| What is a cleat | A block used at the end of a platform to prevent the platform from slipping off its supports. Cleats are also used to provide footing on sloped surfaces such as crawling boards. |
| What does a coupler do | locks together tubes of scafolding |
| What is an unstable object? | Anything that's strength or lack of stability may allow them to shift becoming unstable |
| What is the minimum scafold width | 18 in |
| How much space can you have between the platform and upright? | 1 in |
| How much weight must a scaffold hold | At least its own weight and 4 times the maximum intended weight |
| How much shall a suspension rope hold? | at least 6 times the intended load |
| How far shall the front edge be from the face of the work | No more than 14 in but for plastering/lathing its 18 in |
| how far shall each platform end extend? | at least 6 in unless cleated/restrained |
| If a platform is 10 ft or less how far over can the boards extend? | 12 in maximum |
| If a platform is more than 10 ft how far over can the boards extend? | 18in maximum |
| Can you intermix scaffold parts from different manufactures | No |
| Can you use scaffold parts of different metals | No |
| When do you need vertical support? | When the height to base ratio is greater than 4:1 |
| Can you use unstable objects as scafolding | No |
| At what height do you need a ladder on a scaffold | When the paltform is more than 2ft above or below the point of access |
| When can you use Shore/Lean-to/A frame scaffolds? | Never its prohibited |
| When are control lines needed with scafolds | When swinging loads are hoisted near it |
| When do you need fall protection on scaffolding? | When you are above ten feet off the ground |
| Scaffold guardrails must be between what height | 38-45in |
| When shall you barricade under a scafold | When there is a risk of items falling on those below |
| Are you required to have toeboards | Only if items are at risk of falling on those below |
| How tall can you have a ladder jack scaffold? | Not taller than 20ft |
| Are body belts allowed | No, anytime the standard says bodybelt it means body harness |
| When do you need fall protection in general | anytime there is an unprotected edge above 6ft from the ground |
| How can you protect employees from holes? | By personal fall arrest systems, covers or guardrails |
| Why do we use toe boards | to protect employees from falling objects |
| How tall must guardrails be? | 42 +or- 3in or 39-45in |
| What shall midrails be at? | Half the top rail height |
| How wide can an opening be in a guardrail? | no more than 19in |
| How far bellow a working area shall safety nets be installed | As close as practical no more 30ft bellow |
| How should safety nets be tested | By dropping a 400lb bag of sand on it |
| How far can a fall protection system let you fall | no more than 6ft or long enough to contact a lower level |
| How much weight must a cover in a road be able to hold | Twice the maximum axle load of the largest vehicle expected to cross the cover |
| How must a cove be labled | With the word "HOLE" or "COVER" |
| What must you do with all reinforcing steel | put a guard on it to eliminate hazard or impalment |
| Can you work under concrete buckects | no |
| Can you ride in concrete buckets | NO |
| Do you need to have form work desinged | Yes, it must be designed to support the concrete without failure |
| Related to concrete what must be availible on the jobsite? | Drawings for jack layout, formwork, working decks, and scafolds |
| When shall shoring be inspected | Prior to errection |
| When should erected shoring equipment be inspected? | prior to, during and immediately after concrete placement |
| The shoring plans must be inspected by who? | An engineer qualified in structural design |
| Whenever a masonry wall is being constructed what shall be established | A limited access zone |
| What shall happen to masonry walls over 8ft tall | They shall be braced until permanent structural support is put in place |
| What is a connector in terms of steel erection | An employee who places connecting structural steel |
| Another name for multiple lift rigging | Christmas treeing |
| What is the maximum steel members you can lift at once | 5 |
| How many anchor rods shall columns have | 4 |
| Can steel joist and girders be used as anchorage points for fall arest? | No |
| in steel erection when do you need fall proctection | When you are over 15ft above a surface |
| When can a controlled decking zone be installed | on a structural over 15ft and under 30 ft above a lower level where metal decking is initially being installed |
| What is a controlled decking zone | an area in which certain work may take place without the use of guardrails of fall arrest systems, if access to the zone is controlled |
| What is a handrail | a rail use to provide employees with a handhold for support |
| What is a stair rail? | A vertical barrier on unprotected sides of stairways |
| How big shall landings be | not less than 30 in |
| Where doors or gates open on a landing what must happen | The landing must not be reduced to less than 20in |
| Can you walk on skeleton metal stairs | No, unless there is temporary treads and landings |
| If a stair way has 4 or more risers or is 30in or higher it shall have what | At least one handrail and one stair rail along each unprotected side |
| How much force should handrails be able to hold | At least 200lbs |
| What is the height of handrails | Between 30-37in |
| How far above the upper landing surface must ladder side rails extend | At least 3 ft |
| What authority must a crane operator have? | The authority to stop the opperation |
| What must a crane operator be? | trained licensed and evaluated |
| What must be in the cab of the crane at all times | The procedures for the operation, capacities and recommended operating speeds |
| How far away from an unknown power line must a crane stay | 20ft |
Created by:
jjfischer
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