Safety issue of boiler

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To define and secure boilers safely, some professional specialized organizations such as the American Society of Mechanical Engineers (ASME) develop standards and regulation codes.

For instance, the ASME Boiler and Pressure Vessel Code is a standard providing a wide range of rules and directives to ensure compliance of the boilers and other pressure vessels with safety, security and design standards.5 Historically, boilers were a source of many serious injuries and property destruction due to poorly understood engineering principles.

Thin and brittle metal shells can rupture, while poorly welded or riveted seams could open up, leading to a violent eruption of the pressurized steam.
When water is converted to steam it expands to over 1,000 times its original volume and travels down steam pipes at over 100 kilometres per hour.

Because of this, steam is a great way of moving energy and heat around a site from a central boiler house to where it is needed, but without the right boiler feed water treatment, a steam-raising plant will suffer from scale formation and corrosion.

At best, this increases energy costs and can lead to poor quality steam, reduced efficiency, shorter plant life and unreliable operation.

At worst, it can lead to catastrophic failure and loss of life.
Collapsed or dislodged boiler tubes can also spray scalding-hot steam and smoke out of the air intake and firing chute, injuring the firemen who load the coal into the fire chamber.

Extremely large boilers providing hundreds of horsepower to operate factories can potentially demolish entire buildings.

Źródło: https://en.wikipedia.org/wiki/Boiler#Safety

Repair plumbing services performed in hospitals

To common plumbing services should be installation of new sanitary facilities and repair of these devices and mending other hydraulic faults.

Frequently performed hydraulic services for apartments are repairing a leaky faucet or washing machines, which ceased to spin the laundry.

Similar repairs are done at home.

But in such buildings often you have to also carry out work related to repair leaks resulting in the installation of plumbing.

This is because the state of the responsibility of owners of housing blocks and homes can have installations mounted a dozen years earlier.

Similar situation may occur also in the case of hospitals.

Snakes for plumbing

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Hand auger / hand spinner Hand augers are useful for clearing sink and bathtub drains.

They are unsuitable for sending through flush toilets, because the wire might damage the bowl; also, flush toilets have relatively large drain pipes in which the narrow snake can be become tangled.

(A 1?4-inch cable, for example, should never be used in a drain with a calibre of more than two inches.) Closet auger / toilet auger The closet auger (named after water closet) feeds a relatively short auger through a hook-shaped length of metal tubing.

The hook shape makes it easier to feed the auger into the toilet.

A plastic boot on the end of the auger protects the finish of the visible porcelain.

Since most toilet clogs occur in the trap built into the bowl, the short cable is sufficient to break up or retrieve the greater majority of clogs. Źródło: https://en.wikipedia.org/wiki/Plumber%27s_snake
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