Standards & Publications
BULLETIN 146
Independent Deadman Testing
Bulletin 146 - English 
Bulletin 146 - French 
Bulletin 146 - Spanish This bulletin is for hydrant system operators and into-plane companies operating on hydrant systems. it details changes to the jig standards, modifying the design of test rig facilities and deadman testing requirements to ensure that hydrant coupler mounted deadman systems are tested independently every quarter.