11/11/2011

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Really Steel Steel pipes. Really Steel tubes are about 20 years, but that's where, in what circumstances are? These pipes are operated as a public multi-storey building highways, underground, in low external thermal insulation at temperatures coolant, which is approaching a boil, and a pressure of 6 atmospheres, and water hammer, reaching up to 12-15 atmospheres. It is in such hellish conditions are not even 20 years, much longer are - in a mode in which any plastic and metal pipes 15 minutes would not have stood for! And how much steel pipes are used in conventional high-rise city building, being plastered into the stone walls or in the clear? In my relatively new home - for 25 years, and in Stalinist high-rise building built in 1940 at number 12 on Berezhkovskaya, near the Kiev railway station in Moscow, the replacement tubes occurred only in 2002. Replacement was done not because of accidents or complaints about the heating and replacement was made routine. That's just after the change and the accident and complaints of heating, but, by the way, that's another story. Moreover, the welders were told that the tube home safely to another 20 years stretched without replacement, but the plan is plan, and there is nothing to be done ... At a time when the pressure comes up to 6-7 atmospheres and the water temperature reaches 90 degrees, and ... hydroblows plastic pipes do not apply. Five years ago, among the guests for dinner (at a birthday party) was affected by this issue. Suddenly he heard the word vaguely PVC well-respected banker, jumping up from his chair and gesturing with bulging eyes depict a nightmarish story that had the misfortune of not going into details technical issues, to give the nod to the connection of additional radiators metal pipes. Depict...
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Mountaineering Insurance In the absence of fixed ladders, lifts, hoists, lifting people in the climbing can be done by lifting with a winch, on a pre-attached rope, climbing structures with a climbing machinery insurance. To ensure the reliability of insurance is necessary to use methods of dynamic insurance, which allow you to repay the jerk of a fall in vperediiduschego. Use a dynamic insurance can by etching using a rope of fear or shock jerk. For this purpose brake system. At the same time calculates the amount of dressing and the degree of quenching, taking into account the efforts of the belayer. During the descent to used a rope and harness carrying a rope. The carrier takes the main burden of coming down with equipment and materials. Lanyard secures the fall. It is best to use dynamic rope, but rope carrier can also be static or steel cable. Possible options for the use of other pitches for guys, for hanging materials, tools ... Always attachment points are only reliable elements of structures and buildings. The attachment points for ropes to be independent of each other, to prevent breakage at the same time both ropes. For ease of use, during the descent using triggers devices that give comfort in climbing (stop at any place, fixing the ropes). The task of climbing to organize a safe workplace. Fixed rope to the trigger device when the location of performance. You have to properly accommodate each other, so as not located one above the other, the tool and the material is in the bag and firmly attached ... you have completed all necessary requirements, the climber can safely proceed to carry out work at height. After completing work in each working day should be put in order the equipment, materials, tools, work clothes. All items must...

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