Meaning
Published port tariff structures define official billing rates for dockage, cargo vessel berthing and wharfage services at maritime terminals. Publication of quay fee schedules establishes transparent cost bases for shipping lines and freight forwarders operating within port authority jurisdictions. Terminal operators calculate charges based on vessel length, gross tonnage and port stay duration.
Billing applies from vessel mooring until final unberthing.
Rate Architecture
Port authorities publish tiered rate tables governing different vessel types, cargo categories and berth stays. Charges include hourly dockage rates per meter of vessel length and tonnage fees per cargo metric ton. Specialized berths for liquid bulk or heavy container ships command premium tariff rates.
Operators update schedule rates annually to cover port infrastructure maintenance.
Cost Assignment
Commercial contracts determine whether ocean carriers or chartering cargo owners pay quay usage fees. Under bareboat or time charter terms, charterers absorb dockage and berth expenses directly from port invoices. Carrier liner services build terminal quay costs into ocean freight rates or local port surcharges.
Clear tariff billing prevents cost allocation disputes.
Port Competition
Competitive tariff pricing attracts liner services to regional container ports. Facilities lower quay fee schedules to capture ocean shipping routes from neighboring terminal operators. High quay charges drive ocean carriers to re-route vessels to cheaper regional ports.