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~ <br />~ <br />PG E <br />Portland General Electric Company <br />~{245 K~rl~~ Street :b'.E. • Salent. OreYun 9-3U~ <br />1-~00-5~-~-1793 <br />JANUARY 25, 1999 <br />LEONARD LODDER <br />ARBUCKLE COSTIC ARCHITECTS, INC. <br />363 STATE ST <br />SALEM, OR 97301-3533 <br />DEAR LEONARD, <br />'I'HANK YOU FOR THE PRELIMINARY REVIEW PLANg MADE AVAILABLE ON JANUARy <br />22, 1999 FOR THE COURTHOUSE SQUARE PROJECT LOCATED AT 555 COURT ST NE, <br />SALEM, OREGON. PLEASE REVIEW THE PREVIOUS DESIGN NOTES AND PGE <br />CONSTRUCTION STANDARD LD-310 TO SERVE A 3000-AMp 4gpy~2~~p~ THREE- <br />1'HASE, FOUR WIRE SECONDARy METERED SERVICE. <br />PLEASE PROVIDE THE FOLLOWING DESIGN INFORMp,TION FOR THE,TRANSFORMER <br />VAULT ROOM: <br />1. PROPOSED VAULT ROOM PROFILE WITH ALL DIMENSIONS SHOWN. <br />2. PROPOSED OIL CONTAINMENT DETAIL. <br />3• PROPOSED CROSS VENTILATION IN THE VAULT ROOM. <br />4. PROPOSED SILL AND TRANSFORMER PAD ELEVATIONS IN VAULT ROOM-4" <br />MINIMUM AND 6~~ MpxIMUM HEIGHTS. <br />5. PROPOSED PROTECTION OF THE CONCRETE CASED CONDUIT AND OIL <br />CONTAINMENT SUMP LOCATED BELOW THE TRANSFORMER VAULT ROOM AT THE <br />PARKING LEVEL. <br />THIS INFORMATION IS NECESSARY TO COMPLETE THE DESIGN OF THE VAULT <br />ROOM. A CONDUIT, VAULT, EXCAVATION, AND TRANSFORMER VAULT ROOM DETAIL <br />SHOWING CABLE TRAYS, GROUNDING TAILS, PULLING EYES, ANp METERING <br />DETAILS WILL BE PROVIDED WHEN WRITTEN APPROVAL Ig GIVEN FOR THE <br />PROPOSED VAULT ROOM. IF YOU HAVE ANY QUESTIONS, PLEASE FEEL FREE TO <br />CALL ME AT(503)463-4365. <br />SINCERELY, <br />~I ~- O• <br />MARK D YOUNG <br />SERVICE & DESIGN CONSULTANT <br />CC: TR.ACY HOKANSON, INTERFACE ENGINEERING <br />RANDY CURTIS, MARION COUNTY <br />RON COMSTOCK,PGE. <br />~onnecting People, Power and Possibilities <br />~,v <br />~~ <br />~ <br />