How to clear choked kitchen drainage — DIY

This is for landed house.
(A Singapore plumber charges S$200- S$250 per visit, some cases even for HDB houses.)

The kitchen drainage regularly choked after 6 months to a year, due to oily food residues, hairs or soils from garden (if sharing the common underground sewage pipe with the kitchen sinks).

The underground U-Tube design is a MUST by PWD authority to prevent mosquitoes. Water levels up automatically in U-Tube, provides a natural shield to the external sewerage drain, preventing mosquito breeding, insects and harmful gases from entering your kitchen.

Equipment: A drainage coil wire “Drain Snake”, 5 to 7 meter long, about the little finger’s thickness, flexible yet with enough strength to push blockage.

Note:
Powered Auto-feed Drain Snake

Steps:

1. Find the underground pipe hole(s) leading to the sewage pipe which connects to the external sewerage. The choked area is near the hole, usually clogged by big…