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
scope of work performed by a plumberPersons employed as plumbers can sign various contracts of employment.
They work full-time in a variety of plants, hydraulic or sign contracts-orders for certain services.Some plumbers also run his own business, under which perform minor plumbing services.Nowadays, self-employed persons often assume hydraulic websites, which include information on the services rendered by them and their price list.They also by posting information about their activities on bulletin boards, and even spread leaflets around the city to encourage use of their services.
So they can get regular customers, who will often benefit from their services.
Determining the cost of water consumptionProfessional installation of water meter may take a plumber. It will be able not only to assume, but also seal the counter in such a way that the reading will be error.
This will allow precise determination of the amount of water used in the household and issuing the appropriate invoices, that will not in any way overpriced.At the same time plumber will be able to advise the owners of the visited household, how they can reduce the costs associated with the amount of water consumed.
At the request will also be able to check whether at home, there is no leakage and no need to replace any seals.Besides a good plumber can recommend the purchase of such sanitary facilities that allow you to save water..