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pg. 19. 97 11 : 04 AM � SUPERIOR SYSTEMS INC PO ' <br /> � ,�. <br /> " , . . . <br /> � Fa I: �: QYa�rF�M�c • <br /> P. O. BOX sifs <br /> EVERETT� WASHiNGTON 98206 <br /> (106)339-7309 <br /> (206) 337-4441 fix <br /> INsy 16. 1997 <br /> Superior Sydems Inc. <br /> 1481 - H Deception ltd. <br /> MMoortee, Wa. 9i2Z1 <br /> A1fn: Mr. M�rlc Wolfe <br /> � Subjoct: Engineer's roview of 3ynsore dust ooltecticro syrtem an M�y 16, <br /> 1997. <br /> Dear Mntk; <br /> I wes pleased to iwpecc and revlew t6e dust colkction �tem ut the <br /> S�msa site at 1920 Memll Crak Parkw�y in Svarett. <br /> Your design propossl fa the addidon of tbe longitudinal braaing of <br /> tho main interior duct tun will �atitfy tl►ia requirement. <br /> The 42" diaimtor ductiug H'om the Baghoux b the fan will roquire <br /> addidonai suppart, The phyaical locetion of this duct doea not lend itaelf to <br /> bracing off ihe bulldiug� or guyLng�om other anc6or points, therefore I aim '�' <br /> suggesdng Wet e �ange ancLor ring be added at the bottom of tho veKical��y �� <br /> duct cun and that you anchor this ring to the t�m found+�tion with a minimum <br /> of(8) 3/8." dia. SS anchor bolts. This stabalizstion of the vertieal duct run � <br /> and the very solid attaclunent to Ihe baghouse will adcquately support this <br /> ducting nm under all design load conditions. <br /> The dueting run from the fan to the abort gate eupport tower is <br /> capable of handling all design loads without modification or edditicxial <br /> supports or bracing. <br /> lf you or your client have any yuesdons or requitc artY addiNmael <br /> review of Wis system, please call me at (206) 339-7309. <br /> � <br /> w(o•- /G, 9� <br /> Yours Tn►ly, Np <br /> ����� � <br /> Verne L. Lindberg P.E, <br /> QqTI*�'� . <br /> � . <br /> ONAI E��\ <br /> �K` ' � �..6�8 <br />