1. Port Dolphins
| Dolphin Name | Location | Function | Material | Bollard Capacity (t) | Fendering | Note |
|---|---|---|---|---|---|---|
| North Breakwater Dolphin | 36°23’45″N 140°36’30″E | Mooring assistance | Reinforced concrete | 50 | Cell rubber | Fitted with quick-release hooks, IMO compliant |
| South Basin Dolphin | 36°23’30″N 140°36’45″E | Tanker mooring | Steel pile | 100 | Dock fenders | Equipped with firefighting system, OCIMF standards |
| Central Channel Dolphin | 36°23’38″N 140°36’40″E | Navigation aid | Concrete caisson | N/A | N/A | Radar reflector installed, IALA compliant |
| East Approach Dolphin | 36°23’42″N 140°36’50″E | Channel marking | Composite | 30 | Rubber cone | LED navigation light, 3nm range |
2. Mooring Buoys
| Buoy ID | Position | Max DWT | Type | Mooring Line SWL (t) | Chain Grade | Usage | Restrictions |
|---|---|---|---|---|---|---|---|
| MB-1 | 36°23’50″N 140°36’20″E | 50,000 | Single-point | 75 | Grade 3 | General cargo vessels | Max wind 25kt |
| MB-2 | 36°23’40″N 140°36’35″E | 80,000 | Multi-point | 120 | Grade 4 | Bulk carriers | Tugs required >50,000DWT |
| MB-3 | 36°23’42″N 140°36’25″E | 30,000 | Emergency | 50 | Grade 2 | All vessel types | 4hr max stay |
| MB-4 | 36°23’35″N 140°36’40″E | 20,000 | Yokohama-type | 40 | Grade 2 | Coastal vessels | Daylight only |
3. Piers
| Pier Name | Length (m) | Depth (m) | Width (m) | Surface Type | Pavement Load (t/m²) | Usage | Lighting (lux) |
|---|---|---|---|---|---|---|---|
| East Pier | 320 | 10.5 | 25 | Concrete | 10 | Coastal shipping | 150 |
| West Pier | 280 | 9.0 | 20 | Asphalt | 5 | Fishing vessels | 100 |
| New Energy Pier | 150 | 8.0 | 18 | Reinforced concrete | 15 | Wind turbine components | 200 |
| Repair Pier | 120 | 6.5 | 15 | Steel deck | 8 | Vessel maintenance | 75 |
4. Terminals and Berths
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | Safe Working Load (SWL) | Main Cargo | Fendering | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hitachinaka General Cargo Terminal | Berth 1 | 200 | 12.0 | 30,000 | 180 | Quay wall | 2 x 25t | 25t | Steel products | D-cell | Concrete apron, ISO 9001 certified |
| Berth 2 | 180 | 10.5 | 20,000 | 160 | Quay wall | 1 x 15t | 15t | Machinery | D-cell | Ro-Ro capability, DG storage area | |
| Berth 3 | 150 | 9.0 | 15,000 | 140 | Open wharf | Mobile crane | 10t | Project cargo | Rubber | Heavy lift area, 50t ground bearing | |
| Berth 4 | 120 | 7.5 | 10,000 | 110 | Dolphin | None | N/A | Timber | Timber | Seasonal use only | |
| Hitachinaka Bulk Terminal | Bulk Berth North | 250 | 14.5 | 80,000 | 220 | Dolphin-type | Conveyor system | N/A | Coal/Iron ore | Rubber cone | Closed unloading system, 2000t/hr capacity |
| Bulk Berth South | 200 | 12.0 | 50,000 | 190 | Quay wall | Grab unloader | 30t | Agricultural products | D-cell | Dust control system, ISO 14001 certified | |
| Liquid Berth | 180 | 13.5 | 60,000 | 200 | Dolphin | Arms manifold | N/A | Petroleum | Cell rubber | Class 1 Div 2 area | |
| Hitachinaka Container Terminal | CT-1 | 300 | 15.0 | 60,000 | 250 | Quay wall | 2 x Panamax cranes | 50t | Containers | Super cone | Post-Panamax capable, 500 reefer plugs |
| CT-2 | 280 | 14.0 | 45,000 | 230 | Quay wall | 1 x Post-Panamax | 65t | Containers | Super cone | Reefer plugs available, OCR system | |
| Feeder Berth | 150 | 10.0 | 15,000 | 140 | Quay wall | Mobile harbor crane | 40t | Feeders | D-cell | Barge connections | |
| Hitachinaka Ro-Ro Terminal | Ro-Ro Berth | 180 | 10.0 | 25,000 | 170 | Ramp-equipped | 2 x 20t forklifts | 20t | Vehicles | Rubber | Vehicle inspection area, 5000m² yard |
| Project Cargo Berth | 200 | 11.0 | 30,000 | 180 | Open wharf | 2 x 100t cranes | 100t | Heavy lifts | Timber | 200t ground bearing |
5. Lighterages
| Area | Max Draft (m) | Area (m²) | Current Speed (knots) | Bottom Type | Usage | Restrictions | Mooring Arrangement |
|---|---|---|---|---|---|---|---|
| Inner Harbor | 6.0 | 15,000 | 1.5 | Mud | Barge operations | Daylight only | 4-point mooring |
| Anchorage A | 12.0 | 30,000 | 2.0 | Sand | Ship-to-ship transfer | Prior approval required | STP guidelines |
| Emergency Lighterage | 8.0 | 10,000 | 1.0 | Clay | Emergency use | Port control authorization | 2 tugs minimum |
| Coastal Lighterage | 5.0 | 8,000 | 1.2 | Gravel | Local transshipment | Max 5000DWT | Port-supplied lines |
6. Wharves
| Wharf Name | Length (m) | Depth (m) | Fendering System | Lighting | Bollards (t) | Usage | Access |
|---|---|---|---|---|---|---|---|
| Fisheries Wharf | 150 | 5.0 | Rubber | LED | 15 | Fishing boats | 24/7 |
| Coastal Wharf | 120 | 4.5 | Timber | Halogen | 10 | Small craft | 06:00-22:00 |
| Service Wharf | 80 | 6.0 | Composite | LED | 20 | Port maintenance | Authorized only |
| Passenger Wharf | 100 | 5.5 | Rubber | LED | N/A | Ferries | Tidal |
7. Additional Facilities
| Facility Type | Name/Number | Specifications | Standards | Purpose | Operational Limits |
|---|---|---|---|---|---|
| Navigation Aids | Light Beacon No.5 | Flashing white every 5s | IALA A | Channel marking | 3nm visibility |
| Firefighting | Foam Station 2 | Capacity 10,000L | SOLAS | Tanker emergency | 500m coverage |
| Mooring Equipment | Quick Release Hooks | SWL 75t | OCIMF | Storm protection | Manual override |
| Pollution Control | Oil Boom System | 200m length | MARPOL | Spill response | 2kt current max |
Important Notes:
1. Depth measurements are chart datum (CD) +0.6m for operational safety (per JCG Notice 2024)
2. Maximum DWT capacities assume summer load line conditions at 1.025t/m³ density
3. All mooring equipment meets ISO 3913:2022 standards
4. Night operations require special permission for certain berths (Port Rule 7.2.4)
5. Tidal range: 1.3m (mean), 2.0m (spring) – 2024 tidal data
6. Pilotage compulsory for vessels >500GT (Japan Maritime Safety Law Article 56)
7. Port State Control inspection area at West Pier (Tokyo MOU compliant)
Warning:
Port infrastructure undergoes periodic maintenance. Mariners must:
1. Obtain latest NOTMAR notices from Japan Coast Guard before operations
2. Verify actual depths with port authority prior to arrival
3. Confirm availability of shore equipment with terminal operators
