4.6　Pressure Decay Test for Utility Boiler

4.6.1　Pressure decay test for utility boiler.

1　Scope：pressure decay tests of boiler furnace，flue gas duct，electrostatic precipitator and other parts.The site construction company may determine a pressure decay test scope according to actual situations.

2　The quality and inspection method shall conform to the requirements of Table 4.6.1.

4.6.2　Certification of pressure decay test for utility boiler.

1　Scope：certification for pressure decay test for utility boiler.

2　Certification of pressure decay test for utility boiler shall meet the requirements of Table 4.6.2.