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~,rsacrc : . ~ ~~:me~u:--~ ~I Y~.c:~ose~-:~~ <br />O 1997 Portland General Electric. Aii rights reserved. <br />This standard contains requirements for the design and layout of vaults located in commercial <br />'- buildings within the PGE underground core area of Portland, Oregon. <br />-, ,_. .:~ •.}. ~ _ ~" : <br />This standard is intended to aid in the preparation of the design specifications and the layout of PGE <br />equipment in customer-owned transformer vaults required for electric service in commercial buildings <br />Core Area <br />The downtown portion of a city, which is mostly high-rise commercial customers. <br />Fire Rating <br />3 Hour - Construction that has a minimum strength to contain a fire for 3 hours. <br />House Services <br />Service to a building that includes area lighting, hall lighting, elevators, and other types of <br />electrical consumption that pertain to the building. <br />SF6 Vacuum Interrupter <br />A switch insulated with SF6 gas, which can extinguish an arc when breaking electrical current. <br />Exposed Live Parts <br />Any energized piece or part of any equipment or cable that is exposed to physical contact. <br />The design and layout of building vaults within the PGE underground core area of Portland, Oregon <br />shall conform to the latest edition of the National Electric Code (NEC) and local fire safety codes. <br />PGE PROPRIETARY MATERIAL - THIS INFO IS BASED ON ASSUMPTIONS 8 CRfiER1A WHICN MAY NOT BE VALID OUTSIOE THE PGE ELECTRIC SYSTEM - FOR INTERNAL USE ONLY <br />UNDERGROUND BUILDING CLASS A <br />VAULTS <br />UNDERGROUND <br />P.G.E. CO. STANDARD <br />X I DESIGN I I CONSTRUCTION <br />I T&D STANDARDS ~ <br />DATE 08-09-96 <br />~D-310-07 -01 <br />~=Back Menu = -:Close ~- <br />