1 Technical Requirements - PG&E

System Configuration 114. 7.14.2. Transformers 114. 7.15. Switchgear 114. 7.16. Motor Control Centers 115. ... except the air-side of rotor air coolers. ... A corrosion allowance of 1/16 inch for carbon steel and low chrome alloys shall be used, except for lined or internally coated tanks. ... ................
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