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� �i <br /> J�u� 29, 1994 <br /> PUSLIC WC�IiS 1��17�1K <br /> NO. 94 - 35 <br /> 1��fJ�RAND[A�I Z+O: Honorable Mayor ar�d City O�il <br /> F�I: James C. Baoon, Jr., City Manager (1,�1 v <br /> Bruce A. N�cNabb, Director of Public Works ��' <br /> James R. Mayhugh, Sr., Water Proc�uction Manager <br /> SUBJECT: Lime Sludge Remaval Oontract F�ctensiori <br /> Each year the City's water treatrnent plants proch�oe approatimately 20,000 <br /> ciry tons of lime sludge (limex) as a by�roduct of the water treat�mei�t <br /> prooess. Several recent and currerit capital p�+ojects wi1.1 pravicle the City <br /> with adequate facilities for the temporary storage of the limex exitiryg the <br /> plants. Hawever, th�e limex moust be re�oved frcm the te�oY'arY stflrage <br /> facilities o� a regular basis. <br /> Sinae 1985, the City has contracted with private verid�ors to re�m�we sc�ne <br /> of the lim�x frc�a its facilities. Since 1988, the oor�tractor has been Oorn <br /> Be1t FS, Inc., which has used the limex in lar�d applicatian oa area far�. <br /> �IYL2 COri�Y"dG`'t �111Y'P.S �Ylc1t FS r2I0aVe 8 '[ILnimmnn a�t of limex (8000 d1y tons <br /> P�' Y�') . with the aption to re�mave additiarsal qu,arYtities, all at a fi.xed <br /> prioe per dry ton. In the past fiscal year, FS remaved appro�cimately 16,400 , <br /> dry tons. Zhe current oontract with FS expires ari Augu.st 31, 1994. �i <br /> City staff is nat corrvinr.ed that the c�zrent system is th+e most <br /> eoanoanical way to clispo�.�e of this material. Staff has infornial.ly cosLsidered <br /> several other alternatives, but has r�ot fcxuyd a bettex alternative to date. <br /> �erefore, the current budget includes an abjective (arid fundir�q) to more <br /> thorauc�ily examine the options and identify th�e best strategy for the City. <br /> Staff is currently doing the preliminary work on this study. We anticipate <br /> that the actual study will start in the fall ar�d be d�e by early sprir�q. <br /> Obviausly, the study will extend well past the expiratian of the cuzrent <br /> sludge re�mval oontract. <br /> Iate last year the staff recognized this possibility ar�d req�sted <br /> praposals froan FS for extex�ding the currexit oo�tract. F5 offered several <br /> alt�.rnatives (attached) . <br /> City staff favors and reca�sx7s a one-year extension (option 1) to the <br /> ulrrent oontsact. Zhe rate pex' dry ton remaved ($17.48) at�d tl�e 1�n�[n�►�+ <br /> a�t re�naved (800o ary tons) woula re�main tne same. A resolutio� to <br /> aocarnplish this extension is attached. <br />