Real ChatGPT answer · index seedYQOzuvul6oEcompleteReal estate · home inspectionsinformational

What are the most common failure points associated with aging cast iron plumbing systems in historic New England homes, and what non-invasive diagnostic tools work best?

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What are the most common failure points associated with aging cast iron plumbing systems in historic New England homes, and what non-invasive diagnostic tools work best?
2 real searches · 1 real-search pass
cast iron drain pipe inspection diagnostic tools CCTV sewer camera ultrasonic thickness testing acoustic leak detection historic homesGoogle ↗
OBSERVEDReason
cast iron pipe graphitic corrosion internal inspection limitations CCTV ultrasonic thickness testingGoogle ↗
OBSERVEDReason

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)
Short factOther / navigationalComparisonConsequenceReason100%DefinitionInstructionYes / no

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
cast iron drain pipe inspection diagnostic tools CCTV sewer camera ultrasonic thickness testing acoustic leak detection historic homes Google ↗
cast iron pipe graphitic corrosion internal inspection limitations CCTV ultrasonic thickness testing Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
cast iron drain pipe inspection diagnostic tools CCTV sewer camera ultrasonic thickness testing acoustic leak detection historic homes
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
cast iron pipe graphitic corrosion internal inspection limitations CCTV ultrasonic thickness testing
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1