1 The Maritime Safety Committee, at its sixtieth
session (6 to 10 April 1992), approved Guidelines for the performance
and testing criteria, and surveys of low-expansion foam concentrates
for fixed fire-extinguishing systems (MSC/Circ.582).
2 The Committee, at its sixty-eighth session (28
May to 6 June 1997), approved Guidelines for the performance and testing
criteria, and surveys of expansion foam concentrates for fixed fire-extinguishing
systems of chemical tankers (MSC/Circ.799).
3 The Sub-Committee on Fire Protection, at its
fifty-third session (16 to 20 February 2009) reviewed the aforementioned
Guidelines and made amendments to the test methods for both types
of foam concentrates which combined the test procedure into one document.
4 The Committee, at its eighty-sixth session (27
May to 5 June 2009), after having considered the above proposal by
the Sub-Committee on Fire Protection, at its fifty-third session,
approved the Revised Guidelines for the performance and testing criteria,
and surveys of foam concentrates for fixed fire-extinguishing systems,
as set out in the annex.
5 Member Governments are invited to apply the
annexed Guidelines when approving foam concentrates for fixed fire-extinguishing
systems onboard tankers and chemical tankers and bring them to the
attention of ship designers, shipowners, equipment manufacturers,
test laboratories and other parties concerned.
6 This circular supersedes MSC/Circ.582 and Corr.1, and MSC/Circ.799. Type
approvals conducted in accordance with the aforementioned Guidelines
should remain valid until 1 July 2012.