4. In the case of a slaughterhouse where both swine and other animals are slaughtered, and no separate accommodation for the slaughter of swine exists, the slaughterhouse shall contain suitable and sufficient accommodation for the scalding, depilation, scraping and singeing of swine. Where such operations take place such accommodation shall be separated from the slaughter line for other species either by an open space of at least 5 metres or by a partition at least 3 metres high.