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<br />AGATA RISTOW I ARDURRA I Page 2
<br />of one -lines, interconnection diagrams and plan documents, quality
<br />control of final deliverables and electrical calculations.
<br />On -Call Wastewater Services at 69th Street WWTP, City
<br />of Houston, TX.* Electrical Engineer. CP&Y provided electrical
<br />engineering design services for the 69th Street Wastewater Treatment
<br />Plant. The first project was an emergency work order to replace most
<br />of the plant's medium voltage distribution infrastructure. The second
<br />project was for the replacement of existing Eddy Current clutches with
<br />Variable Frequency Drives (VFDs) for the digested sludge pumps at
<br />the thickener facility. The third work order was the replacement of 40
<br />low -voltage motor control centers at the lift stations within the reactor
<br />complex and at the sludge pump station. The work order also included
<br />replacement of the VFDs associated with the return activated sludge
<br />pumps at each one of the associated pump stations.
<br />Walnut Creek WWTP Water Reuse Initiative Tank Assessment
<br />& Repairs, City of Austin, TX.* Electrical/Instrumentation QA/QC.
<br />Project included tank inlet mixing improvements, addition of high
<br />service pump, and evaluation and recommendation of new flow
<br />meter. A bulk water filling station was also included in the project.
<br />Addition of a UV Disinfection System at Village Creek WWTP,
<br />City of Fort Worth, TX.* Electrical/Instrumentation Design Engineer.
<br />The project for the UV disinfection system associated with the new
<br />Reuse Pump Station included new variable frequency drives, 480V
<br />distribution panelboards, modifications to existing MCC, lighting,
<br />instrumentation and control design to connect the new UV system into
<br />the existing DCS. Responsible for reviewing the project submittals and
<br />answering contractors RFIs during the construction phase.
<br />2016 Water Reclamation Facility Rehabilitation, City of
<br />Cedar Park, TX.* Electrical Design Engineer. The project included
<br />design services for rehabilitating the aeration system and providing
<br />miscellaneous facility repairs and safety improvement items throughout
<br />the plant. Aeration system options were developed for increased oxygen
<br />transfer as well as an evaluation of energy consumption and power
<br />requirements for the proposed alternatives. Evaluation criteria included
<br />air requirements, treatment efficiency, reliability, operational complexity,
<br />maintenance requirements, constructability/ease of access and 20-year
<br />life cycle cost. It was recommended that a diffused aeration system
<br />be installed in the existing aeration basin. Project challenges included
<br />installation of the diffuser grids without taking the basin out of service
<br />and a fast -tracked schedule for both design and construction activities.
<br />Basin Pump Station Improvements, San Antonio Water System,
<br />TX.* Electrical OA/QC. The project consisted of a pump station and
<br />miscellaneous chemical system upgrades associated with an 80-MGD
<br />high service pump station facility. The improvements included the
<br />replacement of all major electrical equipment, pump improvements,
<br />planning upgrades for the chlorine and fluoride facilities, and adding
<br />an emergency dry scrubber system. Other project improvements
<br />included structural and architectural improvements, wells design for
<br />TCEQ compliance, high service pump motor actuated valve replacement,
<br />switchgear replacements, and yard piping replacement.
<br />Central WWTP HVAC System Upgrades, Trinity River Authority,
<br />Dallas, TX.* Electrical/Instrumentation Design Engineer. The
<br />project consisted of the addition of a new chiller plant building and
<br />modification of the HVAC system at five of the existing buildings atTRA
<br />Central WWTP. Project included 15 kV pad mounted switchgear, pad
<br />mounted transformers, generator termination cabinets, low voltage
<br />motor control centers, panelboards, transformers and instrumentation
<br />and control design for the new chiller plant and the new outdoor air
<br />handling unit building. Responsible for review of contractor's submittals
<br />and RFIs.
<br />Mountain CreekWWTP Plant and Collection System
<br />Improvements, Trinity River Authority, Midlothian, TX.*
<br />Electrical Design Engineer. Responsible designer for the addition of
<br />filter cells, clarifiers, sodium hypochlorite system and modification of
<br />the HVAC system atTRA Mountain Creek WWTP. Oversaw the design of
<br />modification to the electrical system for the addition of generators at
<br />the influent lift stations. Project included modifications to existing MCCS,
<br />addition of 480V distribution panelboards and transformers, site lighting
<br />and generators. Responsible for utility coordination and preliminary
<br />power system studies. Responsible for reviewing the project submittals
<br />and answering contractors RFIs during the construction phase.
<br />East Side WTP Improvements to the Transfer Pump Stations No.
<br />1 and 2, Dallas Water Utilities, Sunnyvale, TX.* Lead Electrical
<br />Design Engineer. Designed the new electrical system that included 5 kV
<br />metal clad switchgear, 5 kV motor control centers, variable frequency
<br />drives, pad mounted transformers, low voltage motor control centers,
<br />panel boards and transformers. Developed the one -line diagrams,
<br />electrical site plans, power and control plans, lighting and receptacle
<br />plans, interconnection diagrams and duct bank schedules for transfer
<br />pump stations No.1 and 2. Coordinated with instrumentation designers
<br />to capture their requirements as part of the electrical design. Delegated
<br />tasks to designers and drafters. Coordinated with subconsultants to
<br />ensure all of the disciplines designs were concurrent with the electrical
<br />design. In charge of project schedules for the electrical portion of the
<br />project and ensuring project deliverables were dispatched on time.
<br />Responsible for reviewing the electrical submittals and answered
<br />contractor's RFIs during construction.
<br />*Work performed prior to joining Ardurro
<br />ARDURR A B-34 City of Santa Ana Water Resources Division
<br />RFP 22-002 1 May 24, 2022
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