Port Dolphins at Atsumi Port, Japan
| Dolphin Name | Location | Function | Material | SWL (tons) | Inspection Status | Note |
|---|---|---|---|---|---|---|
| Dolphin A | North Breakwater | Primary mooring | Reinforced concrete | 100 | Last inspected 2023-05-15 | Equipped with rubber fenders |
| Dolphin B | South Breakwater | Primary mooring | Reinforced concrete | 100 | Last inspected 2023-05-18 | Equipped with rubber fenders |
| Dolphin C | East Anchorage | Emergency mooring | Steel piles | 50 | Last inspected 2023-04-20 | 2022 upgrade completed |
| Dolphin D | West Approach | Tanker mooring | Steel/concrete composite | 150 | Last inspected 2023-06-10 | Fire-resistant coating applied |
Mooring Buoys at Atsumi Port, Japan
| Buoy ID | Location | Max Vessel Size (DWT) | Type | Color | Maintenance Cycle | Light Characteristic | Note |
|---|---|---|---|---|---|---|---|
| MB-1 | Anchorage Area A | 10,000 | Spherical | Yellow | Quarterly | Fl Y 5s | IMO compliant, RFID tagged |
| MB-2 | Anchorage Area B | 5,000 | Conical | Red | Quarterly | Fl R 5s | Fishing vessel priority |
| MB-3 | Offshore Holding Area | 15,000 | Special-purpose | Yellow/black | Monthly | Q(9)15s | For hazardous cargo vessels |
| MB-4 | Pilot Station | 3,000 | Spherical | Orange | Monthly | Fl Y 10s | Pilot transfer operations |
Piers at Atsumi Port, Japan
| Pier Name | Length (m) | Depth (m) | Material | Function | Lighting (lux) | Fire Protection | Note |
|---|---|---|---|---|---|---|---|
| Main Pier | 200 | 8 | Concrete | General cargo | 50 | Class C | 2021 upgrade completed |
| Fishing Pier | 150 | 5 | Treated timber | Fishing vessels | 30 | Class A | Ice-making facilities available |
| Oil Pier | 120 | 12 | Steel/concrete | Bunkering | 75 | Class B | Class 1 hazardous area |
| Passenger Pier | 80 | 6 | Concrete | Ferries | 100 | Class A | ADA compliant access |
Berths at Atsumi Port, Japan
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (tons) | Main Cargo | Regulatory Compliance | Special Equipment | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Cargo Terminal | Berth 1 | 150 | 10 | 20,000 | 160 | Open | 2 | 30 | General cargo | ISPS, SOLAS | 2×30t cranes | Draft marks every 10m |
| General Cargo Terminal | Berth 2 | 180 | 12 | 30,000 | 190 | Open | 3 | 40 | General cargo | ISPS, SOLAS | Oil boom storage | Anti-pollution equipment |
| Container Terminal | Berth 3 | 220 | 14 | 50,000 | 220 | Open | 4 | 50 | Containers | SOLAS Ch.VI | 100 reefer plugs | RTG cranes available |
| Bulk Terminal | Berth 4 | 250 | 15 | 70,000 | 240 | Covered | 2 gantry | 60 | Grain/coal | IMSBC Code | Dust suppression | Conveyor system |
| LNG Terminal | Berth 5 | 300 | 18 | 100,000 | 280 | Dedicated | 0 | N/A | LNG | IGC Code | Emergency shutdown | Exclusion zone |
Lighterages at Atsumi Port, Japan
| Lighterage Name | Location | Max Capacity (tons) | Hull Type | Length (m) | Certification | Built Year | Note |
|---|---|---|---|---|---|---|---|
| Lighterage 1 | Near Berth 1 | 500 | Steel | 45 | MLIT Class NK | 2018 | Regular dry-docking |
| Lighterage 2 | Near Berth 2 | 700 | Steel | 55 | MLIT Class NK | 2020 | Equipped with crane |
| Lighterage 3 | Oil Pier | 300 | Double-hull | 40 | IBC Code | 2019 | Bunker transfer |
| Lighterage 4 | Container Terminal | 400 | Aluminum | 50 | MLIT Class NK | 2021 | For container feeder |
Wharves at Atsumi Port, Japan
| Wharf Name | Length (m) | Depth (m) | Material | Function | Access Hours | Max Beam (m) | Special Features | Note |
|---|---|---|---|---|---|---|---|---|
| North Wharf | 120 | 6 | Treated timber | Fishing | 24/7 | 15 | Tidal compensation | Ice storage available |
| South Wharf | 100 | 5 | Concrete | Small vessels | 06:00-22:00 | 15 | Fresh water supply | Security patrol |
| Repair Wharf | 80 | 4 | Steel piles | Vessel maintenance | By appointment | 12 | Dry dock access | Mobile crane available |
| Coast Guard Wharf | 60 | 5 | Concrete | Official use | Restricted | 10 | Emergency response | No public access |
Additional Port Facilities at Atsumi Port, Japan
Anchorage Areas
| Anchorage Name | Location | Area (km²) | Max Depth (m) | Holding Ground | Max Vessel Size | Restrictions | Note |
|---|---|---|---|---|---|---|---|
| North Anchorage | 34°15’N 136°55’E | 2.5 | 25 | Mud/sand | 50,000 DWT | No LNG vessels | Pilot boarding area |
| South Anchorage | 34°10’N 136°58’E | 3.0 | 30 | Clay | 80,000 DWT | Daytime only | Emergency shelter |
Navigation Channels
| Channel Name | Length (km) | Width (m) | Depth (m) | Direction | Current (knots) | Marking | Note |
|---|---|---|---|---|---|---|---|
| Main Approach | 5.2 | 200 | 15 | 180°-360° | 2.5 max | IALA Buoyage A | Dredged annually |
| Inner Harbor | 2.8 | 150 | 12 | 090°-270° | 1.8 max | Lighted ranges | VTS monitored |
Port Services
| Service Type | Provider | Availability | Response Time | Equipment | Certification | Note |
|---|---|---|---|---|---|---|
| Pilotage | Atsumi Port Authority | 24/7 | 30 min notice | 3 pilot boats | Class 1 Pilot License | Compulsory >500 GT |
| Tug Assistance | Nippon Tug Co. | 24/7 | 1 hour notice | 4 tugs (40-60t bollard pull) | MLIT Approved | Advance booking required |
Port Restrictions
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- Maximum air draft: 45m (bridge clearance)
- Hazardous cargo operations: Daylight hours only
- Speed limit: 5 knots within port area
- Bunkering operations: Prior permission required
- Waste disposal: Mandatory for all vessels >100 GT
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Meteorological Conditions
| Parameter | Summer (Jun-Sep) | Winter (Dec-Feb) | Note |
|---|---|---|---|
| Prevailing Wind | SE 10-15kt | NW 15-25kt | Typhoon season Jul-Oct |
| Visibility | >10km (90%) | 5-10km (70%) | Fog occurs Nov-Mar |
| Wave Height | 0.5-1.0m | 1.0-2.5m | Breakwater protection |
Important Notes for Mariners
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- Mandatory VHF Channel 16 monitoring within port limits
- All vessels must report to Port Control 1 hour before arrival
- Strict enforcement of MARPOL Annex V (garbage disposal)
- Annual port dues certificates must be displayed
- Emergency contact: VHF Ch 12/16
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