International shore connection (fire & safety)

Part C Machinery, Electricity, Automation and Fire Protection
  Chapter 4  Fire fighting and prevention
    Section 13    Fire Safety Systems
      2                  International shore connections

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2.1 Engineering specifications2.1.1 Standard dimensions
Standard dimensions of flanges for the international shore connection shall be in accordance with Tab 1 (see also Fig 1).

Figure 1 : International shore connection

 

Description	Dimension
Outside diameter	178 mm
Inside diameter	64 mm
Bolt circle diameter	132 mm
Slots in flange	4 holes, 19 mm in diameter spaced equidistantly on a bolt circle of the above diameter, slotted to the flange periphery
Flange thickness	14.5 mm minimum
Bolts and nuts	4, each of 16 mm diameter, 50 mm in length

 2.1.2 Materials and accessories
International shore connections shall be of steel or other equivalent material and shall be designed for 1,0 N/mm² services. The flange shall have a flat face on one side and, on the other side, it shall be permanently attached to a coupling that will fit the ship's hydrant and hose. The connection shall be kept aboard the ship together with a gasket of any material suitable for 1,0 N/mm² services, together with four bolts of 16 mm diameter and 50 mm in length, four 16 mm nuts and eight washers.