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Offline LisaS

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Question 4
« on: April 20, 2009, 03:58:58 PM »
QUESTION 4
A drainlayer has been asked to inspect a branch drain down a 3 metre deep manhole.
List THREE primary safety precautions the drainlayer should take before entering the manhole.
1
2
3
Total 3 marks

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Offline mrchop

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Re: Question 4
« Reply #1 on: May 23, 2010, 05:13:27 PM »
QUESTION 4
A drainlayer has been asked to inspect a branch drain down a 3 metre deep manhole.
List THREE primary safety precautions the drainlayer should take before entering the manhole.
1 tested for oxygen depleted and inriched enviroments
2 tested for toxic containments
3 tested for for flamablilty
Total 3 marks
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