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The type, appearance and light quality of OSB-HF buoy is as same as that used now in companies of the Ministry of Communications, but the steel thick of material is reduced, thus the buoy weight is greatly lightened and is suitable for using by non-professional units and departments.If the designed life of buoys located along the coast or Inland River by the traffic department is 12 years, the designed life of OSB buoy is 6-8 years, but it is enough for non-professional units.The waterway department has the professional engineering ship, which capability is certainly suitable for the placement and recovery of buoy, but with higher costs. Many non-professional units are not only require low construction costs of buoy for expenditure saving, but also hope to lower the cost of working ships.The design of OSB buoy is completely in conformity with requirements of IALA and GB.Design basis:GB 5863 93 Aids to Navigation on Inland WaterwaysGB 5864 93 The Main Dimensions of Aids to Navigation on Inland WaterwaysSpecification requirements:Type selection：cylindrical (or barrel) floating buoy with 1.2m of diameter；Color：left buoy——black；right buoy——red；Left topmark -- conical and black;right topmark -- tank shape and red;Light quality：Left buoy——white/green，single/double flash，4-5 seconds of cycle；Right buoy——red, single/double flash，4-5 seconds of cycle；Technical Specification | ||
Buoy Specification | OSB-HF1.2-D1 | Remarks |
| Diameter (m) | 1.220 | |
| Buoy body | Barrel | |
| Height（m） | 0.9 | |
| Water displacement (t) | 1 | |
| Swing time (second) | 1．2 | |
| Inclined angle with 3 knots of current velocity（°） | 5 | |
| Gravity head of buoyant center (cm) | 35 | |
| Color | Left black (top cone) right red (top cylinder) | Conform to GB |
| Material | Ship steel plate | |
| Plate thickness (mm) | 4 | |
| Total height (m) | 3.04 | |
| Weight (kg) | 400 | |
| Depth of immersion (m) | 1.074 | |
| Arrangement depth (m) | 2.5---15 | |
| Height of lamp hanger (m) | 1.600 | |
| Lamp height (m) | 2.000 | |
| Sight distance of lamp(sea mile) | ≦3.5 | |
| Light quality | White, red single flash, 5 s of cycle | Conform to GB |
| Luminescent material | LED long lifetime | |
| Principle of lamp control | Singlechip quartz crystal | |
| Batteryvoltage (V) | 12 | |
| Batteryadoption | YUAS,12V,7ampere-hour×4 | |
| Power of solar panel (W) | 5(monocrystalline silicon) | |
| Principle of electrification control | Automatic protection is activated when voltage reach to 13.5V | |
