Real ChatGPT answer · index seedULEzj3xUyqAcompleteHome services and improvement · solar panelsinformational
What kind of structural engineering load letter do I need to submit to the city building department when mounting ballast-weighted solar arrays on a flat commercial membrane roof?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What kind of structural engineering load letter do I need to submit to the city building department when mounting ballast-weighted solar arrays on a flat commercial membrane roof?
2 real searches · 1 real-search pass
California building code 2025 rooftop solar photovoltaic structural loads ballasted roof ASCE 7 requirements structural evaluationGoogle ↗
OBSERVEDReason
California city building department rooftop solar permit structural calculations ballasted photovoltaic roof load letter requirementsGoogle ↗
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)
Classes come from the query-classifier (a local Laya model). 2 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
California building code 2025 rooftop solar photovoltaic structural loads ballasted roof ASCE 7 requirements structural evaluation Google ↗
California city building department rooftop solar permit structural calculations ballasted photovoltaic roof load letter requirements Google ↗
- 2025 Part 2 Chapters 16 and 16A Structural Design · dgs.ca.gov
- 2025 California Building Code Part 2 Vol 2 Errata Eff. January 2026 | PDF · scribd.com
- Codes · dgs.ca.gov
- How to Obtain a Permit for the Installation of Solar Photovoltaic (PV) Systems · sandiego.gov
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
California building code 2025 rooftop solar photovoltaic structural loads ballasted roof ASCE 7 requirements structural evaluation OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
California city building department rooftop solar permit structural calculations ballasted photovoltaic roof load letter requirements OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |