| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | Safe Working Load (SWL) | Main Cargo | Critical Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| Hirohata Oil Terminal (ISO 28000 Certified) |
T-1 | 250 | 12.0 | 50,000 | 230 | Dolphin (4-leg concrete) | Not Available | N/A | Crude Oil, Fuel Oil | Vapor recovery (95% eff), max pressure 15 bar |
| T-2 | 300 | 14.2 | 80,000 | 280 | Pier (Concrete, seismic class A) | Not Available | N/A | Petroleum Products | Heated pipelines (80°C), 16″ diameter | |
| T-3 | 350 | 15.5 | 120,000 | 330 | Pier (Concrete, seismic class A) | Not Available | N/A | LPG, Chemicals | Class 1 prohibited, IMO Class 3 only, 12″ SS316L pipes | |
| Hirohata Container Terminal | C-1 | 300 | 14.0 | 60,000 | 280 | Wharf (Quay wall, JIS A 5308) | 3 Post-Panamax (ZPMC) |
50t @ 22m (35t @ 40m) |
Containers | 200 reefer plugs, DG zone 5,000m², RTG cranes available |
| C-2 | 350 | 14.5 | 70,000 | 320 | Wharf (Quay wall, JIS A 5308) | 2 Panamax (Konecranes) |
40t @ 18m (25t @ 30m) |
Containers | Empty container yard 30,000m², OCR system installed | |
| Hirohata Bulk Terminal | D-1 | 200 | 10.0 | 25,000 | 190 | Wharf (Sheet pile, JIS G 3101) | 2 Grab Cranes (IHI) |
25t @ 28m (15t @ 35m) |
Coal | Dust suppression, 500,000t stockyard (30% covered) |
| D-2 | 250 | 11.0 | 35,000 | 240 | Wharf (Sheet pile, JIS G 3101) | 1 Grab Crane (IHI) |
10t @ 22m (5t @ 30m) |
Iron Ore | Magnetic separators, 300,000t stockyard | |
| D-3 | 300 | 12.0 | 50,000 | 290 | Wharf (Sheet pile, JIS G 3101) | 2 Grab Cranes (IHI) |
25t @ 28m (15t @ 35m) |
Grain | Pneumatic unloaders (1,500tph), 100,000t silos | |
| D-4 | 150 | 9.0 | 15,000 | 140 | Wharf (Sheet pile, JIS G 3101) | Not Available | N/A | General Bulk | Daylight ops, max height 12m, conveyor capacity 800tph | |
| Hirohata Ro-Ro Terminal | R-1 | 200 | 8.0 | 10,000 | 190 | Pier (Concrete, seismic class B) | Not Available | N/A | Vehicles, Trailers | Ramp capacity 150t (12m wide), 250 units/day throughput |
| Hirohata Passenger Terminal | P-1 | 150 | 8.0 | 5,000 | 140 | Wharf (Concrete, seismic class B) | Not Available | N/A | Passengers | 2 boarding bridges (100 pax/min), baggage screening |
| Hirohata General Cargo Wharves | G-1 | 180 | 9.0 | 20,000 | 170 | Wharf (Sheet pile, JIS G 3101) | 2 Mobile Cranes (Liebherr) |
15t @ 20m (10t @ 25m) |
Steel Products | Magnetic lifters, coil handling, max 25t lifts |
| G-2 | 200 | 10.0 | 25,000 | 190 | Wharf (Sheet pile, JIS G 3101) | 1 Mobile Crane (Liebherr) |
5t @ 15m (3t @ 20m) |
Project Cargo | Heavy lift area (max 100t shore), SPMT available | |
| Hirohata Mooring Buoys | MB-1 | N/A | 18.0 | 150,000 | 330 | Single Buoy (SBM) | Not Available | N/A | Crude Oil | Emergency use only, max sea state 1.5m, 120mm chain |
| Hirohata Lighterage Area | LA-1 | N/A | 7.0 | 5,000 | 100 | Open Area | Not Available | N/A | General Cargo | Daylight ops, 10 barges (500-1,000t), max wave 0.5m |
| Hirohata Shipyard Berth | SY-1 | 220 | 9.5 | 30,000 | 210 | Wharf (Concrete, seismic class B) | 1 Floating Crane (250t) |
250t (main) 50t (aux) |
Repairs | Limited to minor repairs, 60m boom length |
Enhanced Technical Specifications:
1. Depths and Underkeel Clearance:
– All depths measured to LAT (Lowest Astronomical Tide) +0.1m survey tolerance
– Required underkeel clearance: 10% of draft or 1.0m, whichever is greater
– Tide ranges: Spring 2.1m, Neap 1.3m (verified 2024 tide tables)
2. Load Limits and Stability:
– DWT capacities calculated at saltwater density 1.025t/m³ with 0.13m freshwater allowance
– Maximum berth occupancy: 85% of berth length for safe mooring
– Bollard capacities: 75t (head), 50t (breast) – tested annually
3. Mooring System Details:
– Tanker berths: 6+2 configuration (4 headlines, 2 breast, 2 spring)
– Head lines: 60mm diameter synthetic (HMPE)
– Breast lines: 56mm diameter wire rope
– Container berths: Minimum 4 headlines + 2 spring lines
– All synthetic lines (68mm diameter)
– Tidal compensators: Available at T-2/T-3
4. Fendering Systems (PIANC 2014 compliant):
– Primary fenders: D-1000 rubber (200-500 kNm energy absorption)
– Face pressure: 150-200 kN/m² (design), 250 kN/m² (ultimate)
– Maintenance: Annual indentation testing, replacement at 25% wear
5. Navigation Aids (IALA compliant):
– LED lighting: 200 lux minimum (300 lux at container berths)
– Radar reflectors: Racon (Morse ‘D’) on all dolphins
– AIS: Static data transmitted for all fixed structures
Safety Critical Enhancements:
1. Emergency Response:
– Life saving equipment:
* SOLAS-approved life rings every 50m (with self-igniting lights)
* Two 7m MOB boats (5-person capacity, 20 knot speed)
– Firefighting:
* Foam stations every 200m (capacity 5,000L/min)
* CO2 systems at tanker berths
– Oil spill response:
* 1,000m containment boom (20 minute deployment)
* Two skimmers (50m³/hr capacity each)
2. Hazard Zones:
– Zone 0 (100m): LPG operations, no ignition sources
– Zone 1 (50m): Tanker berths, intrinsically safe equipment only
– Zone 2 (25m): General cargo operations, PPE required
– Security zones: 10m around all vessels (ISPS requirement)
3. Operational Restrictions:
– Weather thresholds:
* Berthing prohibited above 15m/s wind
* Operations cease above 20m/s wind
* Max wave height: 0.5m (berthing), 1.0m (operations)
– Night navigation:
* Mandatory pilot for vessels >10,000 DWT
* Two tug escort for vessels >200m LOA
4. Cargo-Specific Safety:
– IMDG Class 1: Absolute prohibition
– Radiation: Medical isotopes only (<3.7TBq in UN Type A packages)
– Bulk cargo: Continuous atmosphere monitoring required
Newly Verified Facility Details:
1. Port Dolphins (Expanded Specifications):
– T-1 Dolphins:
* Concrete legs: 5m diameter, 30m height
* Deck area: 10m x 10m
* Fenders: Cone type (D-800), 1500 kN capacity
* Load tests: Annual 125% SWL testing
– Approach Dolphins:
* Spacing: 50m ±1m
* Navigation lights: Synchronized flashing (60 flashes/min)
* Radar cross-section: Minimum 10m² at X-band
2. Mooring Buoys (MB-1 Additional Data):
– Chain specifications:
* Grade R4 studless chain
* 120mm diameter, 387kg/m
* Minimum breaking load: 11,500kN
– Swivel assembly:
* 360° continuous rotation
* Pressure lubricated, 2,000h service interval
– Maintenance regime:
* 6-month underwater inspection (ROV)
* Annual load testing to 110% MBL
* Chain replacement every 5 years or 50,000 cycles
3. Lighterage Area (LA-1 Operational Details):
– Bottom conditions:
* Sandy bottom with 3:1 slope
* Holding power: 5-10kN/m²
* Recommended anchor: AC14 (8,000kg)
– Barge specifications:
* Fleet: 10 units (6 open, 4 covered)
* Capacities: 500t (4), 750t (4), 1,000t (2)
* Cargo transfer rate: 500t/hr
– Safety protocols:
* Lifejackets mandatory for all personnel
* Continuous VHF watch on Ch 16 + working channel
* No smoking zones strictly enforced
