| Source | URL | Data Type | Update Freq | |--------|-----|-----------|-------------| | NRCA | nrca.net | Guidelines, best practices | Quarterly | | SPRI | spri.org | Standards, wind data | Quarterly | | FM Global | fmglobal.com | Data sheets, approvals | Monthly | | IIBEC | iibec.org | Technical papers | Monthly | | ASTM | astm.org | Standards (metadata) | Annual | | ICC | iccsafe.org | Code updates | 3-year cycle | | ASCE | asce.org | ASCE 7 updates | 6-year cycle |