Please CLICK on links below to view some of our recent projects in these categories. 
Wastewater
Treatment and
Water Recycling 		Water 
Treatment 		Water Reservoirs
& Well Heads 		Pumping
Stations 		Pipelines Electrical and
Instrumentation
& Controls 		Construction
Management
:: Construction Management / Resident Engineering (CM/RE), and Program Management
CM/RE Services, Wastewater Treatment Plant Upgrading, City of Brawley, CA
LEE & RO, Inc. was retained by the City of Brawley for the construction management/resident Engineering services for a $25 million plant upgrading project for the 5.9 mgd wastewater treatment plant.  The project is funded by the Clean Water State Revolving Fund and a grant from the American Recovery & Reinvestment Act (ARRA) fund.  The project components include activated sludge process complete with new blowers and secondary clarifiers and sludge dewatering facilities.  The sludge dewatering facilities include a gravity thickener, a centrifuge, and a solar greenhouse for sludge drying.  The project design has been completed and the construction is scheduled to start November 2009.
CM/RE Services, Wastewater Treatment Plant Expansion, Valley Sanitary District, Indio, CA   
As Prime Consultant LEE & RO provided the construction management and resident engineering services for a $24 million plant expansion project that will increase the activated sludge plant capacity from 5 mgd to 10 mgd.  Project components include retrofit of existing aeration tanks, new Turblex aeration blowers, secondary clarifiers, chlorine contact tanks, a 54-inch outfall, and sludge dewatering belt presses.  The construction and commissioning was completed in June 2009.
Project Management and Peak Support Services, Capital Improvement Program, San Diego COunty Water Authority   
As the Principal Subconsultant (25% share of contract value) to Jacobs Engineering, LEE & RO provided program management and engineering support services from January 2006 to March 2009.  This assignment provided assistance to the Authority with water system master planning, design management, and construction management for a $3 billion capital program that will include new water treatment plants, reservoirs and conveyance systems.
CM/RE Services, Water Reclamation Plant No. 4 Expansion, Coachella Valley Water District, COachella, CA   
As Prime Consultant, LEE & RO provided full engineering services for two separate projects at Water Reclamation Plant No. 4, the $18 million Phase 4 Plant Expansion project increasing treatment capacity from 6.9 mgd to 9.9 mgd, and the $4 million Chlorination & Dechlorination (C&D) project for the expanded 9.9 mgd capacity.  The $4 million C&D project construction was completed in 2007 and the $18 million Phase 4 Plant Expansion project construction and commissioning were completed in August 2008.
CM/RE Services, Zone 6A and Zone B+ Booster Pump STation (BPS) Improvements, Irvine Ranch Water District, Irvine, CA   
As Prime Consultant, LEE & RO was responsible for construction management and resident engineering for two pump station improvement projects, the Zone 6A high pressure BPS and Zone B+ BPS in the Turtle Rock area of Irvine , CA .  The Zone 6A BPS capacity will be increased from 1,400 gpm to 2,500 gpm by addition of a 100 hp pump driven through a variable frequency drives in addition to other BPS improvements.  The Zone B+ reclaimed water system modification includes removal of unused pumps and installation of new variable frequency drives and flow & pressure control regulators. Construction for the $2 million projects was completed in June 2009.
Resident Inspection Services for Anza and Imperial Ave. Lateral Project, West Basin Municipal Water District and U. S. Army Corps of Engineers
LEE & RO is providing resident inspection services to the West Basin Municipal Water District and the U.S. Army Corps of Engineers-Los Angeles District for the construction of the Anza Avenue Lateral (14,500 feet of 8 inch) and Imperial Avenue Lateral (8,000 feet of 6 inch).  LEE & RO is also providing project supervision, community outreach, quality assurance, and coordination of construction testing, start-up, and project close-out services.  These laterals will provide recycled water to parks and schools for landscape irrigation within the City of Torrance and El Segundo.  The construction is scheduled to be complete in December 2009.
CM/RE Services, Olsen Road Wastewater Pumping Station, Sewer and Force Main, City of THousand Oaks, CA   
As Prime Consultant, LEE & RO provided construction management and resident engineering services for a $3.5 million project for diversion of wastewater flow from the Olsen Road Wastewater Treatment Plant to the City’s main plant, the Hill Canyon Wastewater Treatment Plant, via the City’s trunk sewer system.  The project included a high-head lift station, 7,000 feet of 12-inch diameter gravity sewer and 7,000 feet of 8-inch diameter force main.  The project also included cured-in-place pipe (CIPP) rehabilitation of sewers.
CM/RE Services, Reclamation Plant Expansion and Biosolids Thickening and Dewatering Facilities, Water Reclamation Plant No. 10, Coachella Valley Water District, Coachella, CA   
As Prime Consultant LEE & RO is providing resident engineering/construction management services for two major capital improvement projects at Water Reclamation Plant No. 10, a new $11 million 5 mgd Title 22 tertiary treatment plant (filtration and chlorination), and an $18 million biosolids handling facility, with DAF thickeners, belt presses, odor control system, and a truck loading system for an 18 mgd water recycling plant.  The tertiary plant construction was completed in 2002 and the biosolids facility construction was completed in May 2008.
Program Management Services, Water Resources Capital Improvement Program, City of Arcadia, CA    
As Prime Consultant, LEE & RO provided program management services for several major capital improvement projects funded by the United States Environmental Protection Agency.  Services included preparing RFPs, reviewing proposals, and overseeing agreements, invoices, and the work progress of design and construction management consultants.  Work also involved technical and constructability reviews and resolution of construction issues. Projects included seismic rehabilitation of the 3.2 million gallon capacity Santa Anita Reservoir No. 3, Chapman Well No. 7 rehabilitation and equipping/booster pumping, sodium hypochlorite disinfection systems, and 4,000 gpm Camino Real Booster Pump Station. 
CM/RE Services, Wastewater Treatment Plant Phase 1 and Phase 2 Expansion / Improvement Projects, City of Patterson, CA   
As Prime Consultant, LEE & RO provided construction management and resident engineering services for two consecutive expansion projects.  The $6 million Phase 1 Expansion/Improvement project increased capacity from 0.5 mgd to 1.3 mgd in 2003 and the $10 million Phase 2 Plant Expansion/Improvement project increased capacity from 1.3 mgd to 2.0 mgd in 2007.  Project components included headworks, oxidation ditch, activated sludge, and percolation ponds.
CM/RE Services, Wastewater Treatment Plant Improvement Projects, Encina Water Pollution COntrol Facility, Carlsbad, CA   
As Prime Consultant, LEE & RO provided construction management and resident engineering services for two treatment plant improvement projects for the 38 mgd EWPCF, the Chemical Enhanced Primary Treatment (CEPT) project and a secondary treatment capacity improvements project including aeration tank retrofits and fine bubble diffuser installation.  The CEPT consisted of ferric chloride and polymer storage, mixing and pumping/ injection facilities designed to improve the BOD and suspended solids removal efficiency.  The secondary improvements project consisted of the installation and modification of aeration piping, aeration headers and blower/DO controls, and the installation of fine bubble diffusers in the fourth aeration basin. 
CM/RE Services, Recycled Water Conversion Projects, Long Beach Water Department   
As Prime Consultant, LEE & RO provided construction management and inspection services for a conversion project involving the disconnection of existing potable water supplies from park irrigation systems and providing new recycled water connections, meters, and related piping.  The project included a 6,100 feet long, 6-inch ductile iron pipeline below a very congested Ocean Boulevard in downtown Long Beach .  A critical aspect of the project involved testing and procedures to prevent cross connection contamination.  The inter-tie project included a hot tap on a 12-inch ACP water main, a new meter vault, hydrant, blow-off, and a hot tap on a Golden State Water Company water main.
CM/RE Services, Joint Regional Treatment Plant Aeration System Upgrade, South Orange County Wastewater Authority (SOCWA), Dana Point, CA   
As Prime Consultant, LEE & RO provided construction management and resident engineering services for a $4 million aeration system upgrade at the 12 mgd Joint Regional Treatment Plant in Laguna Niguel owned by the Moulton Niguel Water District.  The project included a new blower building, installation of a new single stage Turblex brand 450 hp and 8,000 cfm blower and two new multi-stage Hoffman brand 300 hp and 4,400 cfm blowers, replacement and modification of aeration air piping, demolition of existing aeration equipment, installation of new Parkson fine bubble aeration panels in the existing aeration tanks, and associated site, electrical, and instrumentation system improvements.