1. Port Dolphins
| Dolphin Name | Location (Coordinates) | Structure Type | Max Vessel Size (DWT) | Mooring Lines | Lighting | Function | Regulatory Note |
|---|---|---|---|---|---|---|---|
| Izuhara North Dolphin | 33°12’03″N, 129°17’15″E | Concrete pile | 300 | 4-point | Red fixed (Fl R 4s) | Fishing vessel mooring | No cargo ops (MLIT Notice 2023-5) |
| Izuhara South Dolphin | 33°11’48″N, 129°17’22″E | Steel pontoon | 500 | 2-point | Yellow flashing | Storm mooring | Daylight use only |
| Central Breakwater Dolphin | 33°11’55″N, 129°17’18″E | Floating type | 200 | N/A | Yellow fixed | Pilot transfer | No vessel mooring |
| West Auxiliary Dolphin | 33°11’52″N, 129°17’08″E | Steel pile | 150 | 3-point | None | Tug standby | Max 2-hour occupancy |
2. Mooring Buoys
| Buoy ID | Location (Coordinates) | Type | Max DWT | SWL (ton) | Chain Scope | Usage Restrictions | Maintenance Cycle |
|---|---|---|---|---|---|---|---|
| Buoy-1 | 33°11’30″N, 129°17’10″E | Single-point | 500 | 10 | 3:1 depth ratio | Max 12-hour stay | Annual inspection |
| Buoy-2 | 33°11’45″N, 129°17’05″E | Emergency | 300 | 5 | N/A | SAR priority | Quarterly check |
| Buoy-3 | 33°11’35″N, 129°17’20″E | Mushroom anchor | 200 | 3 | 4:1 depth ratio | Fishing vessels only | Bi-annual inspection |
3. Piers & Wharves
| Terminal Name | Berth Name | Length (m) | Depth (m)* | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (ton) | Main Cargo | Operational Limits |
|---|---|---|---|---|---|---|---|---|---|---|
| Izuhara Ferry Terminal | Berth 1 | 80 | 5.0 | 1,000 | 70 | Ro-Ro | None | N/A | Passengers/vehicles | MLIT Class-C |
| Izuhara Ferry Terminal | Berth 2 | 60 | 4.5 | 800 | 50 | Side ramp | None | N/A | Emergency use | No night ops |
| Izuhara Fishing Wharf | Berth F1 | 40 | 4.5 | 150 | 25 | Linear | Manual winch | 2 | Fresh catch | Co-op regulated |
| Izuhara Fishing Wharf | Berth F2-F3 | 80 (combined) | 4.5 | 300 | 30 | Linear | None | N/A | Net repair | Daylight only |
| Izuhara Public Wharf | Berth P1 | 40 | 3.5 | 150 | 25 | General cargo | Mobile crane | 15 | Construction | Booking required |
| Fuel Service Pier | Berth FS1 | 30 | 4.0 | 200 | 20 | Dolphin-assisted | None | N/A | Diesel only | No smoking zone |
*Depths at chart datum (Tokyo Peil -0.3m), subject to silting survey (2024-04)
4. Lighterage Facilities
| Facility Name | Type | Length (m) | Capacity (ton) | Deck Strength (t/m²) | Operator | Hazard Restrictions |
|---|---|---|---|---|---|---|
| Izuhara Floating Platform | Pontoon | 20 | 50 | 2.5 | Tsushima City | No Class-1 dangerous goods |
| Offshore Transfer Area | Designated zone | 100 radius | 100 | N/A | N/A | Daylight, sea state ≤3 |
| Barge Landing Point | Concrete apron | 15 | 30 | 5.0 | Private | Prior permission required |
5. Navigational & Safety Provisions
- Speed limits: 5 knots within 500m of ferry terminal (Nagasaki Ordinance No. 42), 3 knots in fishing wharf area
- Closed periods: Fishing wharf closed during typhoon alert Level 3 (Tsushima City Notice 2021-05)
- Dolphin restrictions: Not certified for vessels >200% DWT capacity (IMO Port Facility Code 5.2)
- Firefighting: Port equipped with 2× 500m³/min foam monitors (JIS F 5601 certified)
