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:: Electrical and Instrumentation & Controls Systems Engineering
Electrical Reliability Study and Preliminary Design, Weymouth Water Treatment Plant, Metropolitan Water District of Southern California, Los Angeles, ca
As Prime Consultant, LEE & RO was responsible for field investigation, engineering analysis, and preparation of the preliminary design report for the Weymouth Water Treatment Electrical Distribution Reliability Improvement Project.  The project objective seeks to develop reliable electrical service from SCE’s 66 kV utility service and to provide a 4,160v distribution system to various power distribution centers.  The study also developed a reliable emergency power system capable of supporting the existing plant systems in addition to the planned $140 million Oxidation Retrofit Program project requirements.  The various improvements identified in the study have estimated construction values of $30 million.  The study was completed in October 2007.

Electrical and Instrumentation Design for Sludge Thickening and Dewatering Facilities at Weymouth and Diemer Water Treatment Plants, Metropolitan Water District of Southern California

As Principal Subconsultant (30% share of contract value) to 
Black & Veatch, LEE & RO provided final design and construction phase engineering services for the electrical and instrumentation and control systems for two sludge thickening, dewatering, and trucking facilities.  Construction costs were $14 million for the Weymouth facility and $16 million for the Diemer facility.  Construction of the Weymouth facility was completed in October 2006 and the Diemer facility construction was completed in June 2007.

New 66 kV Service, Switchgear Building , and Electrical System for Oxidation Retrofit Program (ORP) Project at Weymouth Water Treatment Plant, Metropolitan Water District of Southern California

As Principal Subconsultant (35% share of contract value) to Carollo Engineers, LEE & RO was responsible for the preliminary design and final design of a new 66 kV power feed, a new switchgear building with emergency generators, addition of new unit substations, and a plant-wide 4.16 kV electrical power distribution system for the $200 million ORP project.  Project components consist of ozone generators, ozone contactors and spent ozone destruction equipment, liquid oxygen (LOX) facilities, and chemical tank farms for caustic, sulfuric acid, hydrogen peroxide, and sodium hypochlorite.
Pacheco Pumping Plant Adjustable Speed Drive Replacement Project, Santa Clara Valley Water District, San Jose, CA
LEE & RO was selected as Prime Consultant in December 2007 by the SCVWD to study and design a $14 million electrical system improvement project for the design and specification of medium voltage distribution equipment; design sequencing of critical facility equipment to insure continuous operation; removal/demolishing/modification of existing facilities and equipment as necessary to accommodate medium voltage switchgear installation, and RTUs for inclusion in the District’s SCADA system.

Groundwater Replenishment System (GWRS), orange County Water District, Fountain Valley, CA
As Principal Subconsultant (10% share of contract value) to CDM, LEE & RO designed and provided construction phase services for electrical systems supporting the microfiltration, chemical systems, and RO transfer pumping station for the $400 million GWRS project commissioned in December 2007.  GWRS is a state-of-the-art water recycling project for treatment and injection of secondary effluent from the Orange County Sanitation District for replenishment of the groundwater aquifer.  The process includes microfiltration, RO, and UV disinfection in a modular design scheme.  Plant flows for the initial stage are 70 mgd with the ultimate build-out increasing to 130 mgd.  The project included a new SCE substation and extensive use of medium voltage adjustable frequency drives.  The LEE & RO design included five 600 hp pumps (4,160v) driven through Allen Bradley variable frequency drives, MCCs, power distribution and controls.
Ellis Street Wastewater Pumping Station (ESWPS), orange County Sanitation District, Fountain Valley, CA
As Principal Subconsultant (25% share of contract value) to Malcolm Pirnie, LEE & RO designed and provided construction phase services for electrical and instrumentation systems supporting the new 60 mgd capacity ESWPS.  The project objectives seek to balance the flow between Plant 1 and Plant 2 and to provide adequate flow to the $400 million Groundwater Replenishment System (GWRS) project.  This $30 million pump station is equipped with six 10 mgd Wemco Hydrostal pumps driven by 200 hp motors through variable frequency drives.  LEE & RO was responsible for the electrical, instrumentation and SCADA system planning, design, and construction support services.  The 12 kV power is fed from the Central Generation System to the pump station through Power Building 3.
Rehabilitation of Anaerobic Digesters, Reclamation Plant No. 1, Orange County Sanitation District, Fountain Valley, CA
As Principal Subconsultant (40% share of  contract value) to EarthTech, LEE & RO is providing electrical and control systems engineering analysis and design of various improvements to 12 anaerobic digesters and four digester control buildings at the 174 mgd Reclamation Plant No.1.  Plant No. 1 is being converted to full secondary and additional sludge production is expected.  The goals of this $45 million project are to increase the biosolids processing capacity and improve efficiency of sludge digestion without building additional digesters.  LEE & RO is responsible for the electrical reliability study and electrical improvements, including Power Building 5 revisions, 12 kV switchgear modifications, new four 2,500 KVA transformers, and four double-ended 480v MCCs with two automatic transfer bus switching systems for additional reliability.  The design is scheduled to be complete in June 2008.
Electrical Evaluations and Coordination Studies for Three Wastewater Treatment Plants, South Orange County Wastewater Authority (SOCWA), Dana Point, CA
As Prime Consultant, LEE & RO performed in-depth electrical evaluations for identification of electrical system deficiencies and development of a 20-year capital improvement program for three wastewater treatment plants; the 12 mgd Joint Regional Treatment Plant, the 6.5 mgd Coastal Plant, and the 3.5 mgd Plant 3A.  Tasks included evaluation of existing equipment reliability, coordination studies, and cogeneration and standby power system evaluation.  LEE & RO investigated the sites, prepared load summaries, prepared as-built single line diagrams, reviewed code compliance (NEC/NFPA), conducted safety analysis, and prepared an evaluation report.  The report recommended $4.5 million in capital improvements to be implemented over a ten year period. 

Owens lake Dust Control Program, Shallow Flood Area Electrical Distribution System Design, Department & Power, City of Los Angeles, ca

As Principal Subconsultant (15% share of contract value) to CDM, LEE & RO is responsible for the electrical distribution system design for five Moat Row areas of the $200 million Dust Control Program projects undertaken by LADWP.  The LEE & RO scope of work includes electrical distribution systems, including both the North and South Sand Sheet 4,800 volt and 480 volt systems supporting existing and new dust control facilities.  The design scope includes single line diagrams, panel board schedules, site plans/turnouts, wiring plans and details, pipe heat tracing, and miscellaneous electrical details.  First phase design is scheduled to be complete in April 2008.