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Forwards SER accepting design & installation of nitrogen pneumatic sys at plant in response to Generic Ltr 84-09. Both nitrogen backup & new full-time nitrogen pneumatic sys acceptable for use.Sys already installed at Unit 1.

Accession Number: ML20246D669

Date Released: Wednesday, September 16, 2020

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• ML20246D666 - Forwards SER accepting design & installation of nitrogen pneumatic sys at plant in response to Generic Ltr 84-09. Both nitrogen backup & new full-time nitrogen pneumatic sys acceptable for use.Sys already installed at Unit 1. (4 page(s), 8/18/1989)
• ML20246D681 - Safety evaluation supporting installation & design of nitrogen pneumatic sys,per Generic Ltr 84-09,by adding new check valves to existing drywell noninterruptible instrument air lines. (3 page(s), 8/18/1989)