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�, � � <br /> � � CASNE ENGINEERING, INC. <br /> P.0.80X 7T07 • BELLEVUE,WA Ys00! • (�OQ1��J35S <br /> Decembef S, 1992 <br /> BE& C Enginan <br /> Everott Divi�ion Meil Stop OF- 76 <br /> P.O. Box 3707 <br /> Seattie,WA. 9E124-2207 <br /> Attention: Ms. Shuon Cuibertwn, Project Enginar <br /> Subject: Peer Review of Medium Voltage Dedgn --- " --- <br /> Fud Dock Expu►uon F,IFS <br /> Boeing Project No. �VE 91245 A2 <br /> BCAG No. 911526 File No. A•2, <br /> Deu Shvon: <br /> The following wmments aro Csane Engineering's roeponae to Coftinu�F.nginan rosponse <br /> to wbjxt par review. <br /> We appreciate the fect that Cotlinan Engincen have�mde cat�in�dditiom to their _-- _. _-. <br /> dnwinge per our peer nwiew commenta. On tho�e poim�where Co�un has acpl� _ <br /> their re�wne for continuing with their exieting deeign, we have no objectioe• ?he ' —"' "" <br /> Cofflnan daign in thae arou is conewv�tive uid of excellent qwlity. .--.-- _. <br /> On the subjcct of aurgc ureator eizing,we baxd our I SkV recommendation on the - <br /> "Standerd for Metal-Oxide Surge Arreslor for Altemeting-Currcnt Power Circuits, <br /> ANSI C62.11, 1987". Thia ANSI et�ndard M�tes thu the�Metal Oxide Arrcator <br /> MCOV rnting for� 12.47 kV RMS nominal linc-taline�yatcm volt�ge�hould be 12.70kV <br /> MCOV. A 12.70kV MCOV rating oorresponda to a 1 SkV nominal nting for tlb arge <br /> Arrestor, which waa our recommended value. <br /> . ��r�c�cs��� <br /> oEc o s t992 <br /> B E & C ENGINEERS <br /> .., _ <br />