1. Port Dolphins
| Dolphin Name | Location (WGS84) | Structure Type | Dimensions | Max Vessel Size | Fender System | Certification | Operational Notes |
|---|---|---|---|---|---|---|---|
| Onahama Oil Dolphin | 37°50’12″N 140°47’24″E | Concrete caisson | 20m diameter | 50,000 DWT | D-type (OCIMF standard) | ISO 30004:2016 ClassNK |
Equipped with quick-release hooks |
| Onahama Coal Dolphin | 37°50’15″N 140°47’18″E | Steel pile cluster | 15m diameter | 80,000 DWT | Cell-type fenders | PIANC 2002 MLIT Standard |
Night lighting available |
| Onahama LNG Dolphin | 37°50’09″N 140°47’30″E | Double steel cylinder | 25m diameter | 120,000 DWT | Super cone fenders | IGC Code ClassNK |
Emergency shutdown system |
| Onahama Emergency Dolphin | 37°50’03″N 140°47’22″E | Steel jacket | 18m diameter | 30,000 DWT | D-type fenders | SOLAS Ch II-1 | Reserved for distress situations |
2. Mooring Buoys
| Buoy Name | Location (WGS84) | Type | Depth (m) | Max DWT | Mooring Lines | Light Characteristic | Note |
|---|---|---|---|---|---|---|---|
| Onahama Outer Buoy #1 | 37°49’45″N 140°48’00″E | Single-point | 15 | 50,000 | 4×75mm nylon | Fl Y 5s | Radar reflector installed |
| Onahama Inner Buoy #2 | 37°50’00″N 140°47’45″E | Multi-point | 12 | 30,000 | 6×65mm polyester | Fl G 4s | Emergency release capability |
| Onahama Emergency Buoy | 37°50’05″N 140°47’35″E | Emergency | 10 | 10,000 | 4×50mm nylon | Fl R 10s | Strobe light for night ops |
| Onahama Bunkering Buoy | 37°50’08″N 140°47’40″E | Service | 13 | 20,000 | 4×60mm nylon | Fl Y 6s | Fuel transfer capability |
3. Piers, Berths and Wharves
| Terminal Name | Berth Name | Length (m) | Depth (m) | DWT Capacity | Max LoA (m) | Berth Type | Shore Cranes | SWL (tons) | Main Cargo | Certification | Operational Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Onahama Oil Terminal | Oil Berth 1 | 200 | 12 | 50,000 | 180 | Liquid Bulk | 2 (hydraulic) | 30 | Crude oil | ISO 13702:2015 | Vapor recovery system |
| Oil Berth 2 | 220 | 14 | 70,000 | 200 | Liquid Bulk | 3 (electro-hydraulic) | 40 | Fuel oil | OCIMF MEG4 | Heated pipelines | |
| Oil Berth 3 | 180 | 10 | 30,000 | 160 | Liquid Bulk | 1 (hydraulic) | 20 | Chemicals | CDI T1 | Stainless steel manifolds | |
| Onahama Coal Terminal | Coal Berth 1 | 250 | 14 | 80,000 | 220 | Dry Bulk | 3 (gantry) | 40 | Thermal coal | ISO 5049-1 | 2000tph conveyor |
| Coal Berth 2 | 280 | 16 | 100,000 | 250 | Dry Bulk | 4 (ship loader) | 50 | Coking coal | SOLAS Ch VI | Dust suppression | |
| Coal Berth 3 | 200 | 12 | 60,000 | 190 | Dry Bulk | 2 (grab) | 30 | Pet coke | IMO BC Code | Covered storage | |
| Onahama Container Terminal | CT Berth 1 | 300 | 14 | 60,000 | 240 | Container | 3 (STS) | 50 | Containers | BIC Code | 200 reefer plugs |
| Onahama Fishing Wharf | Fishing Berth 1 | 120 | 8 | 5,000 | 100 | Fishing | 1 (fixed) | 10 | Fresh fish | FAO Code | Ice plant |
| Fishing Berth 2 | 150 | 9 | 7,500 | 120 | Fishing | 2 (mobile) | 15 | Processed fish | IMO FAL | Cold storage | |
| Onahama General Cargo Terminal | General Berth 1 | 180 | 10 | 30,000 | 150 | Multi-purpose | 2 (mobile) | 20 | Breakbulk | ISO 3874 | Ro-Ro ramp |
| Onahama Ro-Ro Terminal | Ro-Ro Berth 1 | 200 | 11 | 25,000 | 170 | Ro-Ro | – | – | Vehicles | SOLAS II-2 | 2 lanes |
4. Lighterages
| Lighterage Name | Type | Capacity (tons) | Dimensions (L×B×D) | Power (kW) | Certification | Operational Area |
|---|---|---|---|---|---|---|
| Onahama Lighterage 1 | Flat deck | 500 | 40×12×3m | 800 | ClassNK | Inner harbor |
| Onahama Lighterage 2 | Barge | 300 | 30×10×2.5m | 600 | MLIT | Fishing wharf |
| Onahama Fuel Lighterage | Tank barge | 400 | 35×11×3.2m | 900 | MARPOL | Oil terminal |
| Onahama Container Lighterage | Cell guide | 350 | 38×13×3.5m | 1000 | ISO 3874 | Container terminal |
5. Additional Port Facilities
| Facility Type | Name | Specifications | Regulatory Compliance | Operational Notes |
|---|---|---|---|---|
| Breakwater | Main Breakwater | 1,850m length, 12m crest | PIANC WG 47 | Tetrapod armor (20t units) |
| Navigation Aids | Port Lighthouse | 35m height, 18NM range | IALA R1016 | LED light (3nm backup) |
| Pilot Station | Pilot Boarding Area | 2×24m boats | IMO A.960 | 24/7 VHF Ch 16/12 |
| Tug Base | Onahama Tug Station | 4 tugs (40-60t bollard pull) | OCIMF Tug Guidelines | Firefighting capability |
