"As a fire may follow a blast, a blastwall must also be a firewall." . "A 'firewall' that is designed to retain its integrity against a defined blast loading and fire that may subsequently follow." . "mvsen" . . "mvsen" . "RDS" . "RDS1324006581" . "BLAST RATED WALL" . "2010.01.13" . "BLAST RATED WALL" . "Incomplete" .