1. Port Dolphins
| Dolphin Name | Coordinates | Structure Type | Material | Fendering | Max Barge Size (DWT) | Design Load (t) | Navigation Light | Inspection Date |
|---|---|---|---|---|---|---|---|---|
| Hirao North Dolphin | 34°21’00″N, 132°04’00″E | Cluster pile | Reinforced concrete | D-type rubber (800H×2000W) | 15,000 | 200 | Fl.G 3s | 2023-05-15 |
| Hirao South Dolphin | 34°20’50″N, 132°04’10″E | Steel jacket | SM490Y steel | Cell-type rubber (1000H×2500W) | 10,000 | 150 | Fl.R 4s | 2023-06-20 |
| Hirao East Dolphin | 34°21’05″N, 132°04’30″E | Caisson | Precast concrete | Arch-type rubber (1200H×3000W) | 8,000 | 120 | Fl.Y 5s | 2023-04-10 |
| Hirao West Dolphin | 34°21’10″N, 132°03’45″E | Gravity type | Steel-concrete composite | Super cone fender | 12,000 | 180 | Fl.W 6s | 2023-07-05 |
2. Mooring Buoys
| Buoy ID | Position | Type | Max DWT | Mooring System | Chain Size | Light Characteristic | Maintenance Cycle | Restrictions |
|---|---|---|---|---|---|---|---|---|
| MB-1 | 34°21’12″N, 132°04’30″E | Single-point | 50,000 | 4×100mm nylon + 50m chain | Φ76mm Grade U3 | Fl.G 5s | Quarterly | Wind ≤20kt for >40,000 DWT |
| MB-2 | 34°20’45″N, 132°04’15″E | Multi-point | 30,000 | 6×80mm polyester + 40m chain | Φ64mm Grade U2 | Fl.R 4s | Bi-monthly | No chemical tankers |
| MB-3 | 34°21’18″N, 132°04’45″E | CALM buoy | 20,000 | 4×90mm steel wire + 60m chain | Φ70mm Grade U3 | Fl.Y 6s | Monthly | Bunkering only |
| MB-4 | 34°20’30″N, 132°03’50″E | Special purpose | 15,000 | 8×70mm hybrid rope | Φ58mm Grade U2 | Fl.W 10s | Quarterly | Fishing vessels prohibited |
3. Piers
| Pier Name | Length (m) | Width (m) | Depth (m) | Deck Height (m CD) | Structure Type | Design Load (t/m²) | Bollard Capacity (t) | Fire Rating | Last Upgrade |
|---|---|---|---|---|---|---|---|---|---|
| Hirao Main Pier | 320 | 25 | 10.5 | 3.2 | Concrete piled (Φ800mm) | 5.0 | 100×4 | Class A-60 | 2021 |
| Hirao Fishery Pier | 180 | 15 | 6.0 | 2.8 | Steel sheet pile (UZ-32) | 3.0 | 50×6 | Class B-15 | 2019 |
| Hirao Ro-Ro Pier | 150 | 30 | 8.0 | 3.0 | Gravity wall (L-type) | 7.5 | 75×4 | Class A-30 | 2020 |
| Hirao Passenger Pier | 120 | 20 | 7.5 | 3.5 | Steel pipe pile | 4.0 | 60×4 | Class A-60 | 2022 |
4. Terminals and Berths
| Terminal Name | Berth Name | Length (m) | Depth (m CD) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (t) | Bollard Pull (t) | Main Cargo | Operational Limits |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hirao General Cargo Terminal | Berth 1 | 150 | 9.0 | 20,000 | 145 | Dolphin-type | 2 × 25t (Noell) | 25 | 80 | General cargo | Max wind 15m/s |
| Berth 2 | 180 | 10.0 | 30,000 | 170 | Quay wall | 1 × 40t (Liebherr) | 40 | 100 | Project cargo | Tidal range ±1.2m | |
| Berth 3 | 200 | 11.5 | 35,000 | 190 | Open wharf | 3 × 30t (Mitsui) | 30 | 90 | Breakbulk | No night ops | |
| Berth 4 | 160 | 8.5 | 15,000 | 155 | Finger pier | 2 × 20t (Kone) | 20 | 60 | Steel products | Daylight only | |
| Hirao Container Terminal | CT-1 | 220 | 12.5 | 45,000 | 210 | Quay wall | 2 × Panamax (ZPMC) | 50 | 120 | Containers | LOA>200m requires pilot |
| CT-2 | 180 | 11.0 | 35,000 | 175 | Quay wall | 1 × Post-Panamax (KALMAR) | 65 | 110 | Reefer | Power 50Hz/60Hz | |
| CT-3 | 150 | 10.0 | 25,000 | 160 | Dolphin-type | 1 × Mobile crane | 35 | 80 | Feeder vessels | Max beam 28m | |
| Hirao Oil Terminal | Tanker Berth A | 250 | 14.0 | 80,000 | 240 | Dolphin-type | N/A | N/A | 150 | Crude oil | ISGOTT compliance |
| Tanker Berth B | 180 | 10.5 | 30,000 | 175 | Quay wall | N/A | N/A | 100 | Fuel oil | Static bonding required | |
| Chemical Berth | 150 | 9.5 | 20,000 | 145 | Dolphin-type | N/A | N/A | 80 | Chemicals | CDI-T inspection mandatory | |
| LPG Berth | 120 | 8.0 | 15,000 | 130 | Jetty | N/A | N/A | 60 | LPG | 300m safety zone | |
| Hirao LNG Terminal | LNG-1 | 280 | 15.0 | 120,000 | 265 | Jetty | 2 × LNG arms (SVTI) | N/A | 200 | LNG | 500m exclusion zone |
| Hirao Bulk Terminal | BLK-1 | 200 | 12.0 | 50,000 | 195 | Quay wall | 2 × Grab cranes | 30 | 120 | Coal/ore | Dust suppression required |
5. Lighterages
| Area | Coordinates | Max Draft (m) | Max DWT | Area (m²) | Bottom Type | Current (kt) | Tidal Range (m) | Anchoring | Usage |
|---|---|---|---|---|---|---|---|---|---|
| Eastern Lighterage | 34°21’30″N, 132°05’00″E | 5.0 | 3,000 | 15,000 | Mud | 1.5 | 2.1 | 3×5t anchors | Coastal barges |
| Western Lighterage | 34°20’30″N, 132°03’45″E | 4.5 | 2,500 | 12,000 | Sand | 2.0 | 2.3 | 2×7t anchors | Fishery products |
| North Anchorage | 34°22’00″N, 132°04’15″E | 7.0 | 5,000 | 20,000 | Clay | 1.2 | 2.0 | 4×10t anchors | Transshipment |
| South Lighterage | 34°19’45″N, 132°04’30″E | 6.0 | 4,000 | 18,000 | Gravel | 1.8 | 2.2 | 3×8t anchors | Timber floating |
6. Wharves
| Wharf Name | Length (m) | Depth (m CD) | Apron Width (m) | Bollard Capacity (t) | Lighting (lux) | Drainage | Fire Protection | Usage |
|---|---|---|---|---|---|---|---|---|
| Hirao Public Wharf | 120 | 6.0 | 15 | 50×6 | 150 | Surface drains | Hydrants×4 | Small vessels |
| Hirao Shipyard Wharf | 150 | 7.5 | 20 | 75×4 | 200 | Slot drains | Foam system | Ship repair |
| Coast Guard Wharf | 80 | 5.5 | 12 | 30×4 | 100 | Surface drains | Hydrants×2 | Official use only |
| Fishery Cooperative Wharf | 100 | 5.0 | 10 | 40×4 | 120 | Channel drains | Extinguishers | Fishing boats |
7. Additional Critical Facilities
| Facility Type | Name/ID | Technical Specifications | Operational Parameters | Regulatory Compliance | Last Survey |
|---|---|---|---|---|---|
| Tug Berths | TB-1/TB-2 | 2×50m, depth 5m, concrete deck | 24/7 availability, 30min response | SOLAS Ch.V Reg.8 | 2023-03 |
| Pilot Station | PS-HIR | VHF Ch.16/12, AIS station | Boarding area 34°22’N, 132°05’E | IALA Recommendation O-139 | 2023-01 |
| VTS System | Hirao VTS | Radar coverage 25nm, AIS tracking | Mandatory for >500GT | IMO Resolution A.857(20) | 2023-04 |
| Emergency Berth | EB-1 | 200m length, 12m depth, reinforced concrete structure with heavy-duty fenders | Priority for vessels in distress, 24/7 availability | SOLAS Ch.V Reg.34 | 2023-02-15 |
| Firefighting Station | FF-1 | 2×3500m³/h pumps, foam capability, 500m hose reach | 5min response time to any berth | IMO MSC.1/Circ.1432 | 2023-05-20 |
| Oil Spill Response | OSR-1 | 2000m containment boom, 3 skimmers (100m³/h capacity each) | 1hr mobilization time | OPRC Convention | 2023-04-10 |
| Port Control Center | PCC-HIR | 24hr manned, VHF Ch 12/16/70, AIS monitoring | Coordinates all port movements | ISM Code 8.2 | 2023-06-01 |
| Mooring Boat Station | MB-1 | 4×15m mooring boats, 5t bollard pull | Available on 1hr notice | MLIT Ordinance No.28 | 2023-03-30 |
Operational Notes:
– Emergency Berth EB-1 maintained at constant readiness with dedicated lighting and navigational aids
– Firefighting Station FF-1 certified for simultaneous 3-vessel response capability
– Oil Spill Response equipment tested quarterly as per Japan Coast Guard requirements
– Port Control Center maintains continuous recording of all VHF communications
– Mooring boats undergo annual load testing and monthly emergency drills
EB-1200m, depth 12m, reinforced concretePriority for vessels in distressSOLAS Ch.V Reg.342023-02Firefighting StationFF-12×3500m³/h pumps, foam capability5min response timeIMO MSC.1/Circ.14322023-05
8. Navigational Warnings
- Depth variations up to 0.8m reported in Eastern Lighterage Area due to recent typhoon
- New construction ongoing at Berth 4 (General Cargo Terminal) until 2023-12-15 – reduced operational area
- Mandatory AIS transmission within 5nm of port entrance
- Strict enforcement of 8kt speed limit in inner harbor
- Night navigation prohibited for vessels >150m LOA without escort tugs
Important Notice:
– All depths referenced to Chart Datum (CD) – 0.3m below Tokyo Peil (TP)
– Maximum permissible squat effect: 0.5m at all berths
– Tide tables must be consulted for actual water depths
– Port operations suspended when wind exceeds 25m/s
– Hazardous cargo operations require 24hr prior notice
