3 The last sentence of paragraph 4.8.3 is replaced
by the following:
"For structural members connecting inner and outer hulls,
the mean temperature may be taken for determining the steel grade."
4 The first sentence of paragraph 4.10.10.3.7
is replaced by the following:
"Pneumatic testing of pressure vessels other than cargo
tanks should only be considered on an individual case basis by the
Administration."