1. Port Dolphins
| Dolphin Name | Location (Coordinates) | Structure Type | Function | Specifications | Note |
|---|---|---|---|---|---|
| Honmoku Futo Dolphins | 35°25’12″N 139°40’48″E | Reinforced concrete | Mooring assistance for large vessels | 20m diameter, 8-point mooring | Typhoon-rated (60m/s wind) |
| Daikoku Dolphins | 35°23’24″N 139°39’36″E | Steel jacket | Tanker mooring | 25m diameter, pneumatic fenders (D1000) | ClassNK certified |
| Osanbashi Dolphins | 35°26’24″N 139°39’00″E | Concrete caisson | Cruise ship mooring | 15m diameter, 6-point mooring | Added 2015, anti-corrosion coating |
| Ogishima Dolphins | 35°27’00″N 139°42’36″E | Steel pile | LNG carrier mooring | 18m diameter, explosion-proof | ATEX Zone 1 certified |
2. Mooring Buoys
| Buoy Number | Location | Type | Max DWT | Depth (m) | Mooring Lines | Restrictions |
|---|---|---|---|---|---|---|
| MB-1 | Off Honmoku Futo | Single-point | 150,000 | 15 | 4×75mm synthetic | Daylight only, max 25kt wind |
| MB-2 | Off Daikoku Pier | Multi-point | 200,000 | 18 | 6×82mm wire rope | VLCC approved, tugs required |
| MB-3 | North Anchorage | Emergency | 50,000 | 12 | 4×65mm chain | 72hr max stay |
| MB-4 | South Anchorage | Special purpose | 80,000 | 14 | 6×70mm combined | Bunkering permitted |
3. Piers and Berths
3.1 Honmoku Futo Terminal
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (tons) | Main Cargo | Special Features |
|---|---|---|---|---|---|---|---|---|---|---|
| Honmoku Futo Terminal | South Berth | 350 | 12 | 50,000 | 250 | General Cargo | 4 (2×40t, 2×25t) | 40 | Containers, General | 15,000m² storage |
| North Berth | 300 | 14 | 70,000 | 280 | Container | 3 Post-Panamax | 50 | Containers | RMG system | |
| East Berth | 200 | 10 | 30,000 | 180 | Breakbulk | 2 mobile cranes | 25 | Project cargo | 100t lift capacity |
3.2 Daikoku Pier Terminal
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (tons) | Main Cargo | Special Features |
|---|---|---|---|---|---|---|---|---|---|---|
| Daikoku Pier Terminal | Berth 1 | 250 | 15 | 100,000 | 300 | Container | 2 Panamax | 45 | Containers | RO-RO ramp |
| Berth 2 | 300 | 16 | 120,000 | 320 | Container | 3 Super Post-Panamax | 50 | Containers | 18-row operation | |
| Tanker Berth | 350 | 18 | 200,000 | 340 | Liquid Bulk | 0 | N/A | Crude oil | 2×16″ loading arms |
3.3 Osanbashi Pier
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (tons) | Main Cargo | Special Features |
|---|---|---|---|---|---|---|---|---|---|---|
| Osanbashi Pier | Main Berth | 400 | 10 | 30,000 | 200 | Passenger | 0 | N/A | Cruise ships | 800 pax/min capacity |
| West Berth | 150 | 8 | 15,000 | 120 | Ferry | 0 | N/A | Passengers | Vehicle ramp |
3.4 Higashi-Ogishima Terminal
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (tons) | Main Cargo | Special Features |
|---|---|---|---|---|---|---|---|---|---|---|
| Higashi-Ogishima Terminal | Coal Berth | 300 | 16 | 150,000 | 290 | Dry Bulk | 2 grab cranes | 30 | Coal | 5,000t/hr conveyor |
| LNG Berth | 320 | 17 | 180,000 | 310 | Liquid Bulk | 0 | N/A | LNG | 2×20″ loading arms |
3.5 Mizuho Pier
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (tons) | Main Cargo | Special Features |
|---|---|---|---|---|---|---|---|---|---|---|
| Mizuho Pier | Mizuho Berth | 280 | 11 | 45,000 | 240 | Multi-purpose | 1×35t, 2×20t | 35 | Project cargo | Heavy lift zone |
4. Wharves
| Wharf Name | Length (m) | Depth (m) | DWT Capacity | Main Cargo | Facilities | Operational Limits |
|---|---|---|---|---|---|---|
| Shinko Wharf | 500 | 8 | 20,000 | Coastal cargo | 2×15t cranes, warehouse | Domestic vessels only |
| Naka Wharf | 600 | 9 | 25,000 | General cargo | 10,000m² covered storage | Max beam 32m |
| Minami Honmoku Wharf | 400 | 11 | 40,000 | Containers | 3 RTG cranes | Feeder vessels |
| Kanagawa Wharf | 350 | 7 | 15,000 | Coastal bulk | Conveyor system | Tidal restrictions |
5. Lighterage Areas
| Lighterage Zone | Location | Max DWT | Depth (m) | Permitted Operations | Safety Requirements |
|---|---|---|---|---|---|
| Honmoku Zone | Near Honmoku Futo | 5,000 | 8 | 06:00-18:00 | Standby boat required |
| Daikoku Zone | Near Daikoku Pier | 10,000 | 10 | 24 hours | Double hull barges only |
| Ogishima Zone | East of Ogishima | 15,000 | 12 | Sunrise-sunset | Spark-proof equipment |
| Anchorage C Zone | Central anchorage | 8,000 | 9 | All weather | Oil boom deployment |
6. Support Facilities
| Facility Type | Name | Location | Specifications | Service Capability |
|---|---|---|---|---|
| Shipyard | Yokohama Dockyard | Naka-ku | 250m dry dock | 50,000 DWT repairs |
| Bunker Station | Honmoku Bunker Base | Honmoku Futo | 10,000m³ storage | IFO/MGO 24/7 |
| Pilot Station | Yokohama Pilot | Port entrance | 4 pilot boats | Compulsory >10,000 GT |
| Tug Base | Port of Yokohama Tugs | Multiple locations | 12 tugs (40-80t bollard) | 24/7 availability |
7. Navigation Parameters
- Chart Datum: Tokyo Peil (T.P.)
- Tidal Range: 1.8m (mean), 2.4m (spring)
- Underkeel Clearance: Minimum 10% of draft
- Air Draft: 55m bridge clearance at port entrance
- Currents: Max 2.5 knots during tidal changes
8. Operational Notes
- All depths at chart datum. Actual depths subject to tidal variations.
- Mandatory pre-arrival notifications:
- 72 hours for dangerous goods
- 24 hours for vessels >500 GT
- 12 hours for bunkering operations
- Winter operations: No ice restrictions but monitor for strong northerly winds (≥15m/s may restrict operations).
- Security: ISPS Level 1 procedures enforced at all terminals.
- Environmental: Strict ballast water management regulations enforced.
