ASTM F1099M-98(2011) PDF

1.1 This specification covers the materials, dimensions, and assembly of steel and aluminum rat guards.

1.2 Rat guards are intended to prevent rats from boarding ships by way of mooring lines.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.