Plumbing relocation checks in Kerala
Rerouted lines and their joints disappear into walls and floors this week. The pressure test happens now, with a gauge and a photo - or it never really happened.
The checks at this stage (3)
- Photograph before this is covered
What disappears at this stage: rerouted supply and drain lines and their joints, once walls and floors close. It cannot be inspected again without breaking something, so the photos taken now are the only record that will ever exist. Skipping this stays on your handover record permanently.
- Moved drains still fall the right way
A relocated drain with too little fall does not fail immediately — it blocks slowly, months later, behind a finished wall or under a new floor.
- New pipework pressure-tested before it is covered
The same rule as new construction and it matters more here, because what gets covered is a room you are already living around.
What good work looks like
The pressure test, before the wall closes
Rerouted supply lines are pumped to test pressure and held with no drop before any chase closes - the evidence is the gauge, photographed at the start and end of the hold, and a signed record. A joint that seeps behind a tiled wall announces itself through your brand-new units.
- The gauge photographed at start and end of the hold
- No drop across the full hold
- A signed test record filed before closing
- A quick pump-and-release called a test
- No gauge on site at all
- Chases closed the same day, untested
IS 2065 (referenced by NBC Part 9)
Drains that fall, traps that seal
Every rerouted drain falls continuously toward the outlet - checked with a level, then proven with poured water - and every trap holds its water seal after repeated discharge. The seal keeps drain air out of rooms; a starved trap reports a skipped check as a smell nobody can find.
- Fall direction visible, then proven with poured water
- Every trap holding its seal after repeated flushing
- The drain route photographed open, with its slope
- A level run relying on the water's goodwill
- A trap starved by a bad connection nearby
- Routes closed before anyone poured water
IS 5329
Rerouted lines reconciled with the overlay
Every moved point is checked against the overlay drawing - position, height and count - before closing. The overlay is also the double-billing screen: a point already provided under the building contract does not get built again, and billed again, under the interior one.
- Each moved point matched to the overlay, position and height
- The count reconciled across both contracts
- Deviations flagged and resolved on paper first
- Points drifting to wherever cutting was easier
- The same relocation billed in two scopes
- The overlay updated after the fact to match the site
Red flags and money traps
A joint that weeps behind a tiled wall announces itself through swollen carcasses and stained laminate - and the repair opens finished work. The half-hour test now is the cheapest insurance in the whole fit-out.
Rule: No chase closes untested. The schedule bends; the joint does not.
A rerouted drain laid level drains by luck; a starved trap lets drain air into the room as a smell nobody can locate. Pour water, watch the fall, flush the traps repeatedly - before the floor closes over the answer.
The test: Poured water reaching the outlet, traps holding their seal after repeated flushing.