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� , . <br /> � CASNE ENC/NEERING, INC. <br /> P.O.BOX7Y07 • BELLEVUE, WA NOOe • (?pg/�5�.�555 <br /> October 29, 1992 � �� <br /> a� �Od� , <br /> PEO` Boxn3707ers e T`�� 19g `"J <br /> Everett,Division2Mailostop oF-76 ��c�N��NE�S <br /> ATTENTION M3. SHARON CULBERTSON <br /> 8ubject: Peer R�vi�w o! M�dium Volteqe D�siqn <br /> Fual Dock Ezpan�fion F5/F6 <br /> Boeinq Project No. EVE 91245 <br /> BCAG No. 911526 Fila No.A-2 <br /> D�ar Sharon: <br /> Ne havs complet�d our revioW o! th� drawinqs, spe�ilications and-. <br /> ehort ctrcuit calculation■ reletinq to th� 12.47 kV distribution . <br /> sy�tem tor �ubject project. � <br /> W� hav� ch�ck�d th� d��iqn o! th� 12.47 kV duct and wanholo <br /> syatam and jam ratio and allowabl� p�rc�nteq� o! till !or �adiu� <br /> volteqe cablas in und�rqround ducts. All da�iqn• and •ia�s as <br /> proposed end as shown on drawings ara acceptabla. <br /> In checkinq tha alactricel distribution systas ehort circuit <br /> calculations, w� noticad thet nueb�rs w�r� trampos�d at -two-- _ <br /> location� in th� calculations. iortunat�ly, tha alf�ct- ot th� <br /> incorrect liqures wae in�ignili.cant and did not atf�ct _ - th� <br /> accuracy o! the short circuit calculation�. A set ot marked <br /> calculation� is returned herewith. _ ' <br /> Soil rasistivity celculations war� not ch�ck�d e■ th�y w�ra not <br /> included in our scopa o! Work. - <br /> Our review of specification Sectione 16010, 16110, 16118, 16195, <br /> 16310, 16355, 16400 and 16452 locatad some typographical error� <br /> which are noted in the left marqin with an arrow and in th� toxt <br /> with the appropriate correction. 1111 aections witA marked <br /> notatione (if eny) ara attached herewith. In eoma inrtancas <br /> relevAnt codes or standerde ere noted, to support our racomm�ndad <br /> revisions. <br /> We felt that two recomm�nded revirions to Section 16310 - <br /> SECONDARY UNIT SUBSTATIONS, warrantad an immediata call to you. <br /> Followinq our conference call vith tha Colfman anqineer wa teal <br /> that our sugqested revisions either had already been picked up by <br /> Coffman or would be incorporated into the epacification <br /> immediately. Thanke for your assistance in this metter. <br />