No need
Each
shipping line has its home PSA Terminal 
MISC, OOCL, NYK, Hapag Lloyd uses Tanjong Pagar
NOL, Bengal Tigers, MOL, Wan Hai, PIL uses Brani
Hanjin, Hyundai Marine uses Keppel
Maersk, Evergreen, COSCO, K Line, CMA CGM, CSCL, MSC, Yang Ming,
KMTC, uses Pasir Panjang
Feeders all depends on where the mother vessel berths 