Risks associated with putting up the tripod mast
|
|
Impact
|
| 1
|
2
|
3
|
4
|
5
|
| Likelihood
|
1
|
1
|
2
|
3
|
4
|
5
|
| 2
|
2
|
4
|
6
|
8
|
10
|
| 3
|
3
|
6
|
9
|
12
|
15
|
| 4
|
4
|
8
|
12
|
16
|
20
|
| 5
|
5
|
10
|
15
|
20
|
25
|
|
|
Liklihood
|
Description
|
| 1
|
Rare
|
1 in 100,000 chance
|
| 2
|
Unlikely
|
1 in 10,000 chance
|
| 3
|
Possible
|
1 in 1,000 chance
|
| 4
|
Likely
|
1 in 100 chance
|
| 5
|
Very Likely
|
1 in 10 chance
|
|
|
Impact
|
Description
|
| 1
|
Trivial/Insignificant
|
Very Minor injuries e.g. slight bruising
|
| 2
|
Minor
|
Injuries or illness e.g. small cut or abrasion which require basic first aid treatment even if self administered
|
| 3
|
Moderate
|
Injuries or Illness e.g. straining or sprain requiring first aid or medical support
|
| 4
|
Major
|
Injuries or illness e.g. broken bones requiring medial support > 24 hours and time off work or study > 4 weeks.
|
| 5
|
Severe/Extremely Significant
|
Fatality or multiple serious injuries or illness requiring hospital admission or significant time off work or study.
|
| Hazard
|
Potential Consequences
|
Persons at Risk
|
Inherent
|
Control Measures
|
Residual
|
Further Controls
|
| Likelihood
|
Impact
|
Score
|
Likelihood
|
Impact
|
Score
|
| Tripod Mast
|
| Mast falling over
|
If the mast is not secured properly then it may fall over, causing injury to people who happen to be underneath or beside it at the time.
|
People in proximity to mast.
|
3
|
3
|
9
|
Ensure that the mast is properly secured ("guyed") during operation and that there is someone supporting it while the guys are being installed. Mast should not be errected during storms/highwinds.
|
2
|
3
|
6
|
|
| Guy ropes
|
Tripping or falling over guy ropes
|
People in proximity to mast.
|
4
|
2
|
8
|
Ensure that the guy ropes do not cross footpaths or walkways. In situations where the guys are hard to see (e.g. at night), affix flags or markers to each to aid visibility.
|
2
|
2
|
4
|
|
