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4 <br /> • (2)Development of performance specifications for diver operations to upgrade chemical diffusers. <br /> • (3) Modification to grading plan based on updated September 2005 survey and revision of final site <br /> topography to accommodate crossing of reuse water line at truck unload entrance. <br /> • (4)Evaluation of utilidor options along operations building. <br /> • (2)Addition of building pad and access drive to northeast corner of facility for installation of new <br /> storage building.This was included in the 90%but may be deleted upon request by the City. (I <br /> thought we pulled this task?) <br /> • (2)Sidewalk around building. <br /> Task 513. Structural/Architectural Design <br /> Additional budget is added to this task to cover the additional design already completed through the response <br /> to the 90%comments as described in Progress Report 10 and to cover budget to complete the design from <br /> that point.Wagner Architects was subcontracted to supplement Brown and Caldwell's design team.The <br /> following are the additional tasks,both completed and yet to be completed. <br /> • (2)Additional architectural detail to minimize amount of detail to be developed by contractor. <br /> • (2) Door,window and louver schedules. <br /> • (2)Additional rooms and vestibules in hypochlorite building. One of vestibules included in the 90% <br /> design is deleted to create more space in the metering room. <br /> • (2)Mezzanine design to improve function of building and make HVAC systems more accessible. <br /> Includes stairs and handrails. <br /> • (2)Toilet room plan. <br /> Task 514.Mechanical Design <br /> Additional budget is added to this task to cover the additional design already completed through the response <br /> to the 90%comments as described in Progress Report 10 and to cover budget to complete the design from <br /> that point. <br /> • (1)Added complexity of metering process design associated with liquid V-notch feed regulator and <br /> injector system instead of metering pumps system. <br /> • (2)Additional spare distribution piping within metering room. <br /> • (1)Compressed air system. <br /> • (2)Additional rooms and floor drain system including toilet room. <br /> • (4) Initial coordination with ElectrolyticTech to layout a Klorigen hypochlorite generation system. <br /> Task 515. Electrical Design <br /> Additional budget is added to this task complete the design from 90%based on the following changes to the <br /> scope: <br /> • (3) Relocation of hypochlorite building and restoration to the original design location based on other <br /> ongoing construction activities at the EWFP.The relocation requires rerouting the power feed to the <br /> Page 3 <br /> C:\Documents and Settings\pcornish\Local Settings\Temporary Internet Files\OLKF\Amendment 1- <br /> revi.doc <br /> 11 <br />