604 



The flange is designed to accept pipes up to a maximum internal 

 diameter of 100 mm and shall be of steel or other equivalent mate- 

 rial having a fiat face. This flange, together with a suitable gasket, 

 shall be suitable for a service pressure of 6 kg/cm^. 



For ships having a moulded depth of 5 metres and less, the inner 

 diameter of the discharge connection may be 38 millimetres. 



Appendix to Annex IV 

 Form of Certificate 



INTERNATIONAL, SEWAGE POLLUTION PREVENTION CERTIFICATE (19 73) 



Issued under the Provisions of the International Convention for the 

 Prevention of Pollution from Ships, 1973, under the Authority of the 

 Government of 

 by 



(Full designation of the country) 



(Full designation of the competent person or organization authorized under the 

 provisions of the International Convention for the Prevention of Pollution 

 from Ships, 1973) 



Name of ship : 



Distinctive number or letter : 



Port of registry : 



Gross tonnage : 



Number of persons which the ship is certified to carry : 



New/existing ship [^] 



Date of building contract 



Date on which keel was laid or ship was in a similar stage of con- 

 struction 



Date of delivery . 



This is to certify that : 



(1) The ship is equipped with a sewage treatment plant/commi- 

 nuter/holding tank ^ and a discharge pipeline in compliance with 

 Regulation 3(l)(a)(i) to (iv) of Annex IV of the Convention as 

 follows : 



[^ ] ( a ) Description of the sewage treatment plant : 



Type of sewage treatment plant 



Name of manufacturer 



The sewage treatment plant is certified by the Administra- 

 tion to meet the following effluent standards [^] 



[^] (b) Description of comminuter : 



Type of comminuter 



Name of manufacturer 



Standard of sewage after disinfection 



[^] (c) Description of holding tank equipment: 



Total capacity of the holding tank 



Location — 



(d) A pipeline for the discharge of sewage to a reception facility, 

 fitted with a standard shore connection. 



1 Delete as appropriate. 



^ Parameters are to be incorporated. 



