Plans - General Arrangement - Core drawings Herzog & de Meuron general arrangement core drawings: Core 1 - Levels 1M-3 (B126-20-301RD), Core 1 - Levels 4-7 (B126-20-302RD), Core 2 - Levels 1-3 (B126-20-303RD), Core 2 - Levels 4-7 (B126-20-304RD), Core 3 - Levels 1-3 (B126-20-305RD), Core 3 - Levels 4-7 (B126-20-306RD), Core 4 - Levels 1M-3 (B126-20-307RD), Core 1 - Levels 4-7 (B126-20-308RD), Core 5 - Levels 1-3 (B126-20-309RD), Core 5 - Levels 4-7 (B126-20-310RD) Apr 2000