I'd suggest announcements in both eng and chi?
Like eg. The Train approaching platform A is serving the
Sengkang West Loop.
列车往A平台是服务盛港西,仁宗站
Also SBST can install the TVs that we have in the Train Stations
at STC station and SBST can programme it to be like
You are at : PLATFORM A
SENGKANG WEST
LOOP
SW8 RENJONG
For your safety, please stand behind the yellow
line.
You are at : PLATFORM B
SENGKANG WEST
LOOP
SW1 CHENG LIM
For your safety, please stand behind the yellow
line.
"Train arriving. For your safety, please stand behind the yellow
line, thank you. This train will be running on the WEST loop.
(Other language, prob emphasise on the "WEST" loop part)