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I <br />sym REVISION BY APPROVE® ®ATE SYM <br />ORIO PIW UPGRADES ADDENDUM A J# 20808468 KJ JMF 01.25.21 <br />AND/ORACCEPTABILITY <br />THIS DESIGN <br />SPECIFICATION APPROVED <br />APPROVED 13Y DATE <br />r al <br />I <br />L <br />LEGEND <br />PIPE MAIN ANCHOR <br />PIPE GUIDE <br />PSA PIPE SUPPORT/ANCHOR SEE <br />M538-02 & M538-03. <br />X2 o TWO SUPPORTS <br />GENERAL SCOPE OF WORK <br />GENERAL NOTES <br />�i > 16" HPS. SEE M530 SERIES <br />REFERENCE DRA!,fr"INGS <br />40—YD—M530 SERIES DRAWINGS FOR STEAM TUNNEL <br />D ASSOCIATED R <br />40—YD—M457 SERIES DRAWINGS FOR R l <br />AND ASSOCIATED PIPING/SUPPORTS. <br />CONSTRUCTION N(iC_> <br />1. SEE CIVIL DRAWINGS FOR TUNNEL AND VAULT LOCATIONS <br />ELEVATIONS. <br />2. SUPPORT PIW 4" X89 SCH 10 X SCH 10 DC AT A <br />MAXIMUM '— O.C. IN TUNNELS. EXISTING STEAM OR <br />FIRE LINE SUPPORTS MAY BE USED FOR GRAVITY ONLY <br />SUPPORT OF PIW LINES. <br />SUPPORTS3. PIW GUIDES OR ANCHORS ON NEW PS-5 TYPE <br />GUIDE ,. ANCHOR SUPPORT <br />AND OTHER PIW LINE GRAVITY LOAD ONLY. PROVIDE <br />D _ <br />WELDEDTEE ' TO ELEVATION <br />SECOND PIPE. PROVIDE ADDITIONAL GUIDE/ANCHOR <br />SUPPORT R OTHER <br />TO SUPPORT CALL —OUT. <br />4. ALL PIW SUPPORTS IN STEAM TUNNEL SHALL BE COATED <br />CARBON STEEL PER STRUCTURAL DRAWINGS EXCEPT AT <br />ANCHOR LOCATIONS WHERE 304L SS SHALL BE USED TO <br />FACILITATE WELDING SS ANCHOR BOOT. <br />D C} 't 0§ <br />':1 .'s. 3P�. S i�, +.,. .Sa,.�r , . -. nf. :v-=,:1" uh 'Emlml'�R'"3 S` <br />z`� I <br />OFFSET SUPPORTS AS NEEDED FOR VERTICALLY STACKED <br />PIW LINES. <br />CORE DRILL AND INSTALL LINK SEAL. <br />PROVIDE SEPARATE PS-4 ANCHORS AND PS-5 GUIDES <br />FOR EACH PIW 0300 AND PIW 0500 AT LOCATIONS <br />INDICATED AND OFFSET AS NEEDED FOR INSTALLATION, <br />20808468 <br />EVERETT, WA DWc NO. 40—YD—M461-4 <br />