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do I need a concrete footing for a ground level backyard deck or can I use deck blocks on gravel

ChatGPTgpt-61 query11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
do I need a concrete footing for a ground level backyard deck or can I use deck blocks on gravel
1 real search · 1 real-search pass
Prince George's County Maryland residential deck code ground level deck footings deck blocks frost depth requirementsGoogle ↗
OBSERVED

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.

Classifying 1 queries…

Searches and sources

Queries

1 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Prince George's County Maryland residential deck code ground level deck footings deck blocks frost depth requirements
OBSERVED
Google ↗
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