Our inspector found old cast iron plumbing in the basement of the house we want to buy, so how long before it fails and what does replacement usually cost?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Our inspector found old cast iron plumbing in the basement of the house we want to buy, so how long before it fails and what does replacement usually cost?
2 real searches · 1 real-search pass
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (2)
Classes come from the query-classifier (a local Laya model). 1 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
Seattle Washington cast iron sewer pipe replacement cost 2026 whole house basement drain replacement cost Google ↗
cast iron drain pipe lifespan inspection sewer camera signs failure replacement cost factors Google ↗
- Cast Iron Pipes in Older Homes — What to Know · washingtonplumbers.net
- How Much Does Sewer Line Replacement Cost in Seattle, WA? · angi.com
- How Much Does a Sewer Line Replacement Cost in Seattle? (2026) · ecoserviceswa.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Seattle Washington cast iron sewer pipe replacement cost 2026 whole house basement drain replacement cost OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
cast iron drain pipe lifespan inspection sewer camera signs failure replacement cost factors OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |