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1318.8.8 Cross-Connection Test - Category 3 Plastic Vacuum Piping Systems

Uniform Plumbing Code 2018 of Nevada > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1318.0 Testing and Inspection > 1318.8 Cross-Connection Tests — Medical Gas and Vacuum Systems > 1318.8.8 Cross-Connection Test - Category 3 Plastic Vacuum Piping Systems

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Initial cross-connection tests for plastic vacuum piping systems shall be conducted as follows:

Tests shall be conducted to determine that no cross connections exist between any Category 3 plastic vacuum piping systems or Category 3 copper piping systems.
The vacuum source shutoff valves for the vacuum piping systems shall remain closed during the tests, unless they are being used for the cross-connection test vacuum source.
The cross-connection test vacuum shall be a minimum of 12 inch (305 mm) HgV.
The source of test vacuum shall be connected only to the vacuum piping system being tested.
The individual gas-powered device system gas outlets and vacuum system inlets shall be checked to determine that the test vacuum is only present at the vacuum piping system being tested.
The cross-connection tests shall be repeated for each installed vacuum system with plastic piping.
The proper labeling and identification of system outlets/inlets shall be confirmed during the tests. [NFPA 99:5.3.12.2.7]

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