Categorical Exclusion Determinations: B4.11

Upgrade aging electrical infrastructure in the B28 electrical vault to address clearance and arc flash issues, bring vault into code compliance wit…
Bonneville Power Administration (BPA) proposes to replace an existing 230-kilovolt (kV) shunt capacitor group and associated switching and protective equipment at Longview Substation near Longview, Cowlitz County, Washington (Township 8 North, Range 3 East, Donation Land Claim 38).
This revision proposes an additional work area and identifies some temporary (in place for less than 6 months) test structures.…