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Forwards response to GL 92-08, "Thermo-Lag 330-1 Fire Barriers." Engineering Evaluations 22 & 23,Rev 11 & SwRI final rept, "Ad-Hoc Fire Endurance Test of Unprotected Steel Duct Sys" also encl.

Accession Number: ML18152A044

Date Released: Tuesday, December 1, 2020

Package Contents

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• ML18153D297 - Forwards response to GL 92-08, "Thermo-Lag 330-1 Fire Barriers." Engineering Evaluations 22 & 23,Rev 11 & SwRI final rept, "Ad-Hoc Fire Endurance Test of Unprotected Steel Duct Sys" also encl. (7 page(s), 4/12/1993)
• ML18153D298 - Engineering Evaluation 22,CH10-22,Rev 11, "Evaluation of Fire Endurance Rating for Ventilation Ducts Coated w/Thermo- Lag,Surry Power Station." (9 page(s), 4/12/1993)
• ML18152A043 - "Ad-Hoc Endurance Test of Unprotected Steel Duct Sys" final rept. (33 page(s), 10/31/1988)
• ML20035E675 - Engineering Evaluation 23,CH10-23,Rev 11, "Evaluation of Existing Fire Rated Wrap in Unit 1 Cable Vault/Tunnel,Surry Power Station." (4 page(s), 4/12/1993)