PUB WS16882018
Licensed plumber Lam Kien Choon. The credential that actually applies to potable-water tank work in Singapore.
PUB WS16882018 · Confined-space trained crew
ALPHA & OMEGA TRINITY PTE. LTD. — water tank cleaning contractor, Singapore
ALPHA & OMEGA TRINITY PTE. LTD. (AOT, UEN 201215586K) is a Singapore water tank washing and cleaning contractor. We drain, wash, disinfect and inspect rooftop, basement and GRP tanks for HDB, condo, landed and commercial sites. PUB plumber Lam Kien Choon WS16882018. Office 32 Old Toh Tuck Road, I. Biz Centre #03-11, Singapore 597658. WhatsApp +65 8151 8857. Same-day or scheduled slots, Monday to Saturday 8am–5pm.
From S$250
HDB domestic tanks typically S$250–400. Condo and commercial quoted after size, access and sample tests.
Islandwide
Dispatched from Old Toh Tuck. Jurong to Tampines, Woodlands to Bedok — HDB, condo, landed and factories.
What we do
Clean, disinfect, inspect — then prove it
AOT Tank is the water-storage arm of ALPHA & OMEGA TRINITY PTE. LTD. (UEN 201215586K). We do not claim a separate NEA tank-cleaner licence — PUB plumber licensing is the relevant one, and we hold it.
Roof & transfer tank cleaning
Drain, desludge, wall wash, disinfect and flush. Photo notes for MCST / FM files.
GRP, PE & stainless tanks
Landed rooftop tanks, basement transfer tanks, commercial GRP. Leak or replace quoted separately.
Confined-space entry
Assessor, supervisor, attendant and workers on file. Calibrated gas meters before anyone goes in.
Lab samples & inspection
Optional water-sample tests, float / overflow / insect-screen check, and written notes after the job.
Typical scope
How a tank job runs
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01
WhatsApp photos
Property type, tank count, last clean, roof or basement access. We quote before we come down.
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02
Isolate & clean
Access and gas check, drain, desludge, wash walls, disinfect and flush. Covers and screens inspected.
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03
Handover notes
Photos for the MCST or homeowner file. Lab tests if you asked for them. Leak or replace quoted separately.
Guide prices (SGD, before GST)
These are typical ranges from recent residential and commercial enquiries. Access, tank volume and lab tests change the number — WhatsApp photos for a site quote.
| Tank type | Typical range |
|---|---|
| HDB / small domestic tank | S$250 – 400 |
| Condo shared / transfer tank | S$400 – 600 |
| Commercial / industrial tank | S$500 – 750+ |
We serve all of Singapore
Rooftop and basement tanks, every town
West: Jurong East & West, Clementi, Bukit Batok, Choa Chu Kang, Tuas · East: Tampines, Pasir Ris, Bedok, Marine Parade · North: Woodlands, Sembawang, Yishun · North-East: Punggol, Sengkang, Hougang, Ang Mo Kio · Central: Toa Payoh, Bishan, Queenstown, Bukit Timah.
See service areasCredentials that matter for tanks
PUB WS16882018
Licensed plumber Lam Kien Choon — also our confined-space assessor.
BCA ME12 L1
Plumbing, gas piping & sanitary works, listed to 1 Sep 2028.
Confined-space crew
Assessor, supervisor, attendant and workers on file, plus calibrated gas meters.
Water-borne disease training
Company certificate on file for potable-water tank work.
Also BCA ME01 (air-con) and ME06 (fire protection) L1 under the same company. See licences.
Common questions
Is AOT Tank PUB licensed?
Yes. PUB plumber licence WS16882018, registered to Lam Kien Choon.
How much does cleaning cost?
Typically S$250–750 depending on tank size and access. Lab tests, if required, are extra.
Same-day service?
Yes for most requests when access is clear. Mon–Sat 08:00–17:00. Not 24/7; closed Sunday and public holidays.
Do you clean town-council HDB roof tanks?
Town-council roof tanks usually sit under the town council contract. We quote private, condo, commercial and many landed storage tanks. WhatsApp photos if you are unsure who owns the tank.
How do I book?
WhatsApp +65 8151 8857, call +65 6816 2462, or email [email protected].