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NSC Standard 10: Chain Chart - 5/16" Grade 80 WLL

Entry DateJuly 17, 2009
Issue Number09-032-VEH
NameMr. J-M Thibodeau
AgencyNew Brunswick Department of Public Safety - Commercial Vehicle Enforcement
Address414 Collishaw StreetMoncton, NB, E1C 3C7CanadaMap It (opens in a new tab)
Phone506-853-7185
Fax(506) 856-2006
Email[email protected]
CommitteeVehicle Committee
StatusClosed
Summary of Issue

The"Chain Chart" copied from the National safety Code (NSC) Standard 10: For 5/16" chain size; a grade 80 has a lower WLL than a grade 70? That is the only time that such an anomaly arises on that chart and here in Canada it is causing some problems.

Justification or Need

Doesn't seem to make sense.

Request for Action

Please advise if this is a "typo"?

09-032-VEH: NSC Standard 10: Chain Chart - 5/16" Grade 80 WLL - Commercial Vehicle Safety Alliance