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CITY OF COLTOIY <br />WELL PLANT NO. 22 <br />REHABILITATION OF WELL AND PUMPING UNIT <br />BID SCHEDULE <br />(continued) <br />ITEM DESCRIPTION QTY UNIT UNIT AMOUNT <br />PRICE <br />105 Furnish and insta.11 14" (I.D.) 420 L.F. $.��•� $�`7 ���%• �� <br />x 1/4" blank copper beasing �— <br />steel well liner (0' to 420'�), <br />3 centering guides every 80', <br />and fully welded 1/4" thick <br />steel plate between e�sting <br />16" casing and 14" liner. <br />106 Mobilize and demobilize <br />well pump testing equipment <br />(set pump at 500'; provide <br />pump for 1,500 gpm at 370', <br />140 wHp minimum). <br />107 Develop well by pumping <br />and surging (12 hours, <br />minimum) including <br />measurement of water <br />production, pumping <br />drawdown, and sand <br />production (development <br />records). <br />108 <br />109 <br />Perform step drawdown <br />test (short duration), 6 <br />hours minimum including <br />measurements of specific <br />capacity and sand <br />production (test records). <br />Replace wear rings on <br />existing pump bowls (8 <br />total), head shaft, bearing <br />reta.iner assemblies, and <br />two pieces of 8" column <br />pipe. <br />N/A <br />12 <br />� <br />NIA <br />1.4-2 <br />312-49BIDSCHD <br />L.S. <br />�s. <br />�s <br />L.S. <br />N/A $ � 5�.�' <br />$ //v . $ I, 3 � v. ac� <br />� <br />$ //�. <br />N/A <br />