The move followed the drowning of a man in Khlong Saen Saep on Thursday morning (Nov 10).
Deputy Minister Ormsin Chivapruck said both short- and long-term measures were being considered.
The Khlong Saen Saep boat service, operated by Family Transport (2002) Co Ltd, serves 70,000 to 80,000 commuters a day.
In the short term, captains will be forced to completely stop their vessels at piers regardless of passenger numbers to prevent jumping and to minimise accidents.
Violations will lead to licence suspension for both the captains and the operator.
The Marine Department was also asked to study the viability of electric boats to enhance safety and reduce pollution, Mr Ormsin said.
“Existing diesel-powered boats generate a loud noise and exhaust is drawn back to the passenger cabin. Electric boats have been imported and a pilot project could begin in Khlong Sean Saep before moving on to Chao Phraya River services,” he said.
The ministry will also ask the Bangkok Metropolitan Administration to enlarge some piers to match passenger numbers.
Mr Ormsin said the Marine Department was investigating the drowning of the passenger. Initially, it found the captain and navigator had complied with safety protocols.
“That the captain backed away after the man fell into the water is a standard safety protocol.
“A clip showed the man jumped up on the pier like the man in front of him, even though the boat had not completely stopped. He failed to land firmly and fell backward into the water. What’s unusual is he fell like a deadweight without gasping for air. Forensic officials will check whether he had any [health] conditions,” Mr Ormsin said.
The operator agreed to a life insurance pay-out of B100,000 to the victim and more aid to his family.
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