New York Low Pressure Boiler COF Practice

According to testing standards, when changes in an existing system involve less than 30% of the piping, testing may be done in accordance with?

1. ASTM guidelines

2. ASME - on hydrostatic tests

3. Insurance company standards

4. Local building codes

The correct answer is: ASME - on hydrostatic tests

The correct choice is based on the fact that when modifications to an existing piping system involve less than 30% of the total piping, the ASME (American Society of Mechanical Engineers) guidelines stipulate that hydrostatic testing is an acceptable method of ensuring the integrity and safety of the system. Hydrostatic testing involves filling the system with water and applying pressure to check for leaks, ensuring the piping can withstand the operational pressure under normal conditions. ASME standards are well-respected in the industry for their comprehensive approach to ensuring the safety and reliability of boiler systems. They provide a framework for testing and inspecting that is widely adopted, particularly in settings where mechanical safety is paramount. In contrast, although ASTM guidelines are also a respected source for testing methods, they typically focus more on materials and processes rather than specific applications pertaining to piping tests within boiler systems. Insurance company standards might vary based on policies and coverage, but they wouldn't specifically dictate the testing methods for piping modifications. Local building codes could provide some regulations related to construction and safety but may not address the more specific protocols for hydrostatic testing in the context of piping alterations as clearly as ASME standards do.