SAFETY OF LIFE AT SEA C75 



if) Fire Hoses 



Fire hoses shall be of material approved by the Administration and 

 (Sufficient in length to project a jet of water to any of the spaces in which they 

 »may be required to be used. Their maximum length shall be to the satisfaction 

 lof the Administration. Each hose shall be provided with a nozzle and the 

 (necessary couplings. Hoses specified in these Regulations as " fire hoses " 

 vshall together with any necessary fittings and tools be kept ready for use in 

 conspicuous positions near the water service hydrants or connections. 



{i;) Nozzles 



(i) For the purposes of this Part, standard nozzle sizes shall be ^ inch (or 

 12 millimetres), | inch (or 16 millimetres) and | inch (or 20 millimetres), or 

 as near thereto as possible. Larger diameter nozzles may be permitted subject 

 10 compliance with sub-paragraph (b) (ii) of this Regulation. 



(ii) For accommodation and service spaces, a nozzle size greater than 

 i inch (or 12 millimetres) need not be used. 



(iii) For machinery spaces and exterior locations, the nozzle size shall be 

 such as to obtain the maximum discharge possible from two jets at the pressure 

 mentioned in paragraph (c) of this Regulation from the smallest pump. 



(/j) International Shore Connection 



The international shore connection required by paragraph (d) of Regulation 

 64 and paragraph (d) of Regulation 65 of this Chapter to be installed in the 

 ship shall be in accordance with the following specification and the appended 

 sketch. 



Outside diameter: 7 inches (or 178 millimetres). 



Inner diameter : 2\ inches (or 64 millimetres). 



Bolt circle diameter: 5 J inches (or 132 millimetres). 



Holes : 4 holes of | inch (or 19 millimetres) diameter equidistantly placed, 

 slotted to the flange periphery. 



Flange thickness: -^ inch (or 14- 5 millimetres) minimum. 



Bolts : 4, each of | inch (or 16 millimetres) diameter, 2 inches (or 50 milli- 

 metres) in length. 



Flange surface : flat face. 



Material : any suited to 150 pounds per square inch (or 10- 5 kilogrammes 

 per square centimetre) service. 



Gasket: any suited to 150 pounds per square inch (or 10 5 kilogrammes 

 per square centimetre) service. 



The connection shall be constructed of material suitable for 150 pounds 

 per square inch (or 10-5 kilogrammes per square centimetre) service. The 

 flange shall have a flat face on one side, and to the other shall have 

 permanently attached thereto a coupling that will fit the ship's hydrants and 

 hose. The connection shall be kept aboard the ship together with a gasket 

 of any material suitable for 150 pounds per square inch (or 10- 5 kilogrammes 

 per square centimetre) service, together with four | inch (or 16 millimetres) 

 bolts. 2 inches (or 50 millimetres) in length and eight washers. 



Ch. 2 



