I am speechless, due to the tears of laughter still in my eyes. But I'm not giving in yet.
Paul
> Hi Paul
>
> I envisage the following ten step procedure:
>
> 1) Lodge a Work Request to install a "No Smoking" sign on the Cooling
tower
> deck
>
> 2) When the Work Order is issued, alert Production,switch on to mains
> cooling, tag out, and allow at least 2 days for drift to subside. Be sure
> that the tower wetting sprays are disabled and tagged out. This is
essential
> to prevent any biocide exposure hazard. Tag out the fire pumps to prevent
> accidental operation of the tower fire sprinkler system to avoid
> re-entrainment of settled biocides plus the danger of a worker slipping on
> wet surfaces.
>
> 3) Install sign. During the course of welding the sign stanchion in place
it
> will be noticed that the cooling tower fill has been set alight from
welding
> sparks. Ensure maintenance personnel evacuate the cooling tower and the
fire
> water pump area which, as previously noted, is close to the cooling tower,
> and will be deemed a hazardous area in the event of a fire. Commence
filling
> out Incident Report form.
>
> 4) As the fire pumps are tagged out and the tags are in a hazardous zone
> there is no alternative but to watch the tower burn out. Rapid burn times
> vary depending on fill material, fill moisture content, and elevation. As
a
> guide, I recommend allowing 60minutes for Sitka spruce and 95 minutes for
> PVC fill, all at 132.3m above local "low water level, ordinary spring
tide"
> datum, but times can vary widely. It is recommended that several towers be
> burnt down first, as a trial, and the longer time adopted for planning
> purposes.
>
> 5) When the flames have subsided, apply for Hazardous Work Permit, and
> instigate cancelling of previous tags. This may take some time, as the
sign
> fitters may be undergoing trauma conselling at a mountain retreat, and
their
> clearance signatures will be required. Allow 2 days plus travel time plus
> accommodation plus ski passes for the family for this activity.
>
> 6) Upon obtaining HWP turn on fire pumps and douse residual fires.
>
> 7) This is where it becomes a little tricky. To work on the fire reservoir
> it will probably be necessary to drain it. A reserve water reservoir is
> required. You now have a spare cooling tower basin as a reservoir if you
dig
> a short trench to the fire pumps. This circumstance has arisen only
because
> the tower is burnt down. In any other circumstances, Production would
object
> to this use of the basin. However it is essential that the effective basin
> volume exceeds that of the reservoir. If it does not, repeat steps 1 to 6
> plus trenching, on one or more other cooling towers until the total
> available basin volume exceeds the reservoir capacity. At this point it
will
> become necessary to check that the mains residual head flow characteristic
> exceeds the minimum requirements for a primary fire fighting water source.
> If not, it may mean at least doubling the amount of cooling towers to be
> fitted with "no smoking" signs. Check with your Insurer and the local
> authorities.
>
> 8) Make planned modifications to reservoir.
>
> 9) Remove all tags.
>
> 10) Look for a new job.
>
>
> Cheers
>
> Steve McKenzie
Received on Thu Oct 10 09:07:00 2002
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