Regulation 23

( a ) Special category spaces and ro-ro spaces shall be continuously patrolled or monitored by effective means, such as television surveillance, so that any movement of vehicles in adverse weather conditions and unauthorized access by passengers thereto can be detected during navigation. [S 872/2019 wef 01/01/2020] ( b ) Documented operating procedures for closing and securing all shell doors, loading doors and other closing appliances which, if left open or not properly secured, could, in the opinion of the Director, lead to flooding of a special category space or ro-ro space, shall be kept on board and posted at an appropriate place. ( c ) All accesses from the ro-ro deck and vehicle ramps that lead to spaces below the bulkhead deck shall be closed before the voyage commences and shall remain closed until the ship is at its next berth. [S 872/2019 wef 01/01/2020] ( d ) The master shall ensure that an effective system of supervision and reporting of the closing and opening of such accesses referred to in paragraph ( c ) is implemented. ( e ) The master shall ensure, before the voyage commences, that an entry in the log-book, as required by Regulation 22( m ), is made of the time of the last closing of the accesses referred to in paragraph ( c ). [S 872/2019 wef 01/01/2020] [S 892/2023 wef 01/01/2024] ( f ) Notwithstanding the requirements of paragraph ( c ), the Director may permit some accesses to be opened during the voyage, but only for a period sufficient to permit through passage and, if required, for the essential working of the ship. ( g ) All transverse or longitudinal bulkheads which are taken into account as effective to confine the seawater accumulated on the ro-ro deck shall be in place and secured before the voyage commences and remain in place and secured until the ship is at its next berth. [S 872/2019 wef 01/01/2020] ( h ) Notwithstanding the requirements of paragraph ( g ), the Director may permit some accesses within such bulkheads to be opened during the voyage but only for sufficient time to permit through passage and, if required, for the essential working of the ship. ( i ) In all ro-ro passenger ships, the master or the designated officer shall ensure that, without the expressed consent of the master or the designated officer, no passengers are allowed access to an enclosed ro-ro deck during navigation. [S 686/2008 wef 01/01/2009] [S 872/2019 wef 01/01/2020]