Yes, the stairs mapping is quite inacurate.
1. the location has a curb upstairs (NE)
2. the stairs turn into a footpath)

See:
https://www.google.fr/maps/place/Garlick+Ave/@1.3282287,103.790826,95m/data=!3m1!1e3!4m6!3m5!1s0x31da109db86de855:0xacd717fac0adace2!8m2!3d1.3285949!4d103.7912092!16s%2Fg%2F1tx1qqkd?entry=ttu
for a better overview of the layout for item 1.

That's why I left this note while walking there yesterday.