FREQUENCY OF INSPECTION AND TESTS

The following chart lists different types of equipment and the frequency of boiler testing requirements. For frequency and testing requirements concerning unfired pressure vessels, refer to NAVFAC MO-324.

Table 12-1(B).-Boiler Inspection and Test Frequencies

Notes:

1. Additionally, MUSE boilers and other portable boilers must be inspected externally and internally and certified each time they are moved from one place to another. A MUSE steam coil type of boiler is exempt from annual inspections while in dry or wet lay-up.

2. All manhole and handhole gaskets must be replaced after a strength test unless they are made of non-compressible steel.

PREPARING FOR INSPECTION

The activity that operates and maintains pressure vessels provides all of the material and labor required to prepare the vessels for inspection. You need to help the inspector during inspection. An inspection on pressure vessels located on a naval base in a foreign country must comply with NAVFAC MO-324, lnspection and Certification of Boilers and Unfired Pressure Vessels.

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