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Knowledge and understanding are not the same. However, knowledge leads to understanding. Why should understanding matter? Because, understanding means that a model of behaviour can be produced and from that predictions made. That is, human beings can do that which, to the best of our knowledge, no other species can do - deal with the future.
Less of the philosophy, on to the practice. Everyone knows that an aeroplane flies. The popular understanding is that air travels faster over the curved upper surface of a wing than under the flatter lower surface. Bernoulli's law states that pressure and velocity are inversely proportional. This, therefore, results in the creation of a partial vacuum above the wing and. therefore, upwards pressure (lift) beneath wing. This explanation (understanding) - the Hump Theory - only works if the time taken for upper air flows equals the time for lower air flows. In fact the time taken for upper air flows is less than for lower air flows. Such an understanding is only partly true. A succession of knowledge based events throws up questions over the theory. Certain aircraft should not fly - but do.
In, fact the explanation is a combination of Hump Theory and Newtonian mechanics.
The greater the inclination of a wing the greater the lift. However, for a given angle, an aerofoil, curved upper surface, produces more lift than a plank!
Without that understanding a wing couldn't be designed for a modern aircraft.
This understanding has been built up over time. Within that time questions have been raised leding to the production of sufficient knowledge to bridge the gap.
We can also advise on how knowledge relevant to your business can be captured and made available to your workforce in order to improve efficiency.
Our knowledge methodology not only puts the expertise within your business at everyone's fingertips but also promotes understanding of that knowledge. We understand that knowledge is dynamic so the Good2use methodology allows for continuous review.
That is, to turn your organisation into a learning organisation.
The system we can establish will gather knowledge not even you knew you had. We CAN put old heads on young shoulders and so improve your productivity.
Training becomes more effective as function and education become one.
The following is a real life example of that. It features an occupation far more mysterious than flying - plumbing. It is taken from a plumbing forum and concerns issues that arise from the installation of under floor heating (ufh). The thread was as follows
Posted: Oct. 10 2003, 20:24
I've just come across this website, and was wondering of there was anyone that could help me.
I am currently in the process of a self build, and I'm going to be installing ufh in a screeded floor.
My question is, I would like to install the domestic Hot & Cold water pipes in the screed in mdpe pipe. How would I go about insulating the pipes? Do I just lag them and bury, or do I have to run them in ducting before laying screed?
Sorry if this seems like a really dumb question, but as I have been unable to find a reliable plumber in the area, I'm having to do the work myself.
Posted: Oct. 10 2003, 20:53
A good starting point for you would be http://www.plumbers.org.uk/associates/industrial_assc_prod.asp?code=UN and http://www.btinternet.com/~robbens/floordetails.html
The latter link shows floor sections. But above all, use the services of a Registered Plumber, who will automatically know all the rules and regs, and will, be able to give you the best installation service/price.
Christopher Flaherty EngTech MIP
Posted: Oct. 10 2003, 21:36
You need to run the pipes in either a duct, or if you use, for example Wirsbo PEX pipe this can be supplied in a conduit, pipe in pipe, to comply with water regulations, the pipes must be able to be removed if a problem occurred, if in a sold floor
Posted: Dec. 02 2003, 00:28
The critical point of Chris's reply is that the Regulations require you to be able to remove the pipes in the event of a problem. The only way you can do this is by forming service ducts in the floor when the screed is being laid and there are proprietary systems that can do this for you and they come complete with a lid that lies flush with the finished floor level. A full description of the requirements is contained in the Water Regulations Advisory Scheme publication Water Regulations Guide Schedule 2 Section 3: Paragraphs 3,4,5,6 & 7 Requirements for water fittings. The ISBN No. is 0-9539708-0-9 and you can obtain a copy from The Institute Of Plumbing, 64,Station Lane, Hornchurch, Essex, RM12 6NB.
Kind Regards and the best of luck in your endeavours,
The crucial knowledge process here is
The good2use methodology would provide a feedback medium for such conversations, Then the methodology takes the verbose conversations (as on a forum) and consolidates them into the following
- A dilemma is recognised
- A response to the dilemma is produced. It is without explanation so appears arbitrary. Being arbitrary means that there is no means of prediction.
- The arbitrary point is rationalised such that predictions can now be made. Under all circumstances pipes need to be removable in case a problem arises.
In order to install the domestic Hot & Cold water mdpe pipes in screed the pipes need to be in either a duct or, if you use Wirsbo PEX pipe (for example) supplied in a conduit, pipe in pipe. This complies with water regulations. The pipes must be able to be removed if a problem occurs in a sold floor. They also need to be protected from the corrosive action of the concrete.
The only way you can do this is by forming service ducts in the floor when the screed is being laid and there are proprietary systems which can do this for you and they come complete with a lid which lies flush with the finished floor level. A full description of the requirements is contained in the Water Regulations Advisory Scheme publication Water Regulations Guide Schedule 2 Section 3: Paragraphs 3,4,5,6 & 7 Requirements for water fittings.