Tank trade — not the company homepage
AOT Tank — rooftop and basement cleaning
This page is the water-storage trade of ALPHA & OMEGA TRINITY PTE. LTD. (UEN 201215586K). We drain, desludge and disinfect rooftop, basement and GRP tanks. Licences, named crew and other trades live on www.aot.com.sg — this is not a second company homepage.
The company has operated since 2012. Public contact is WhatsApp +65 8151 8857, office +65 6816 2462, email [email protected]. Hours Monday to Saturday 08:00–17:00. Closed Sunday and public holidays — not 24/7.
What we publish
- PUB licensed plumber Lam Kien Choon, WS16882018 — also our confined-space assessor.
- BCA workheads ME01, ME06 and ME12 at Grade L1, listed to 1 September 2028.
- Confined-space trained crew (assessor, supervisor, attendant, workers) and calibrated gas meters on file.
- Water-borne disease training certificate on file for potable-water tank work.
- We do not claim a separate NEA company licence for tank cleaning — PUB plumber licensing is the relevant credential.
Operations address
32 Old Toh Tuck Road, I. Biz Centre #03-11, Singapore 597658. This is the address we publish. Sister brands: www.aot.com.sg, plumbing, aircon, pumps.