Baldyman
You say that I am missing the point but then you say things that I cannot help but disagree with.
Quote from Baldyman:"It is almost impossible to determine whether crews will become disorientated in a premises as you can't actually tell how conditions will be inside during a fire. That is clearly an unknown quantity"
We have buildings in Strathclyde that are "Rabbit Warrens" and people get confused and lost in normal conditions, never mind in smoke, so I think that during a fire, you could get disorientated quite easily.
Quote from Baldyman:"As for tying off, there is no need for specific tie off points. There are recognised techniques for tying off, what can be used as a tie off point and the type of knot to be used ........ which starnge as it seems stems back to appropriate training.
I strongly disagree with this as the key to my whole post is the definitive need for tie-off points.
It doesn't matter if crews know how to tie off and where to tie off if there is nothing in the building to tie off to.!! All the training in the world will not allow a guideline to be laid properly if there are no suitable tie off points.
And thanks for reminding me about TB 1/97, paragraph (d) on page 16 which states
"The guideline is to be secured to suitable objects at intervals on the route by other members of the guideline team. tie off points need not be close together but at sufficient intervals to keep the line off the ground. The line is to be made secure on the side of search and the crossing over from one side to another is to be avoided as far as possible"
Just a quick question, how many internal corners in modern day buildings have a suitable tie off point for guidelines?
If you familiarise yourself with TB 1/97 you will also be aware that it it does not tell you which knots to use, what you tie the line off to and what to do if there are no tie-off points, all this is down to local Operational notes.
I feel some of the last posts have veered off the initial topic so I will ask specific questions to try and get my point over.
1.When crews in your Service carry out an ORA in certain buildings, do you consider the possibility that you may have to use guidelines in it if it was on fire.?
2. If the answer is yes, do you check to see if you can safely use them as per TB 1/97 (thanks for reminding me Baldyman).
3. If the answer is NO to one or both of these questions, do you believe that a suitable and sufficient ORA has been done for this building?
Simples!!!
This is my own personal opinion and should not be taken as the views of my Service