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City of Everett,Washington I Water Filter Plant- Phase 2 Capital Upgrades PDB Project <br /> Progressive Design-Build Contract I Exhibit B.Owner's Project Criteria <br /> all four valves and the installation of seismically stabilized containment vaults to protect <br /> the valves and improve maintenance access. Flow to the flocculation basin must be <br /> maintained during this work. It's anticipated the work will be performed through <br /> bypassing the valves along with short shutdowns of the inlet pipes. <br /> \ ' Valve 226 i - .LJ <br /> - — — 411:M1111 TO ilk <br /> AM <br /> Valveh <br /> 16 <br /> ..� <br /> limiVikamtr- T i typocntontee <br /> Valve NIL Ci!i �' ire <br /> Chlorine <br /> 220 Valve \ Bldg. <br /> p� Valve 2 2t8 <br /> 221 Valve if PSBV3 <br /> 15 <br /> 222 � Valve 1mi 13 <br /> Valve i�' 14 - r:. <br /> It -.,� <br /> i& �j House "4 <br /> r. 3 a <br /> Valve Valve t. <br /> 208 22 I <br /> m UeValv <br /> Valve lipAnk <br /> valve <br /> 216 i1i1) B� Water <br /> Figure 1. Schematic of Screenhouse Valves <br /> PUD Return Line Flow Meter: The PUD return line flow meter work includes <br /> installation of a flow meter on the 60" PUD return line in proximity to the connection of <br /> the PUD return line and flocculation basin intake. It is anticipated that the flow meter will <br /> be installed in the grass area between the 72" PUD return line and ISBV6 as noted in <br /> Figure 2. The City intends for the flow meter to be housed in a seismically stabilized <br /> containment vault. Flow from the PUD return line to the flocculation basin can be <br /> interrupted. It's anticipated this work will be performed through short shutdowns of the <br /> PUD return line which must be coordinated with Snohomish PUD. <br /> Page 2 of 16 <br />