News

Leading infrastructure planning, design, and rehabilitation Projects

The project requires coordination of LEE + RO’s design with the designs of the Matthews Transmission Pipeline, the Menifee Road Transmission Pipeline, and the Romoland Feeder Replacement designs, which others are preparing.

Services Include Demolition, Design, Structural Rehabilitation, and New Electrical Upgrades

Center Street Lift Station to Replace Cadena Creek Lift Station

Services Include Potable and Recycled Water Storage and Conveyance, Sewage Lift Stations, and Electrical Engineering

Projects Elements include Grit Dewatering Building Equipment Replacement; Reactor Drain, Gallery Drain, and Washdown Water (3W) Improvements; and Wet Weather Storage Basin Rehabilitation

Design the Replacement of Sluice Gates in the WRP Splitter Box

Planning Study and Preliminary Design for a Second Reservoir at Sand Canyon

Planning and Preliminary Design Improvements for the New Catala Pump Station and Pipelines

Rehabilitation of 4 Potable Water Tank Roofs at the J. Will Johnson Reservoir in the City of Compton

Design an interconnection to provide system reliability and redundancy within the Canyon Lake area

Design of a New Membrane Filtration and Reverse Osmosis Treatment System

Replacement of Two Radial Gates Along the San Diego Canal

The City of Riverside Regional Water Quality Control Plant (RWQCP) has five (5) influent sewers.

The City of El Centro (City), as a permittee of the State Water Board's Municipal Separate Storm Sewer Systems (MS4) permit, is required by the State Water Board to comply with stormwater trash provisions.

LEE + RO is providing the Santa Clarita Valley Water Agency (Agency) with engineering services for an evaluation of replacement options, and preparation of the preliminary and final design for the replacement of an underground storage tank at its Rio Vista Water Treatment Plant (RVWTP). The existing 8,000-gallon Underground Storage Tank (UST) provides diesel fuel for the RVWTP Emergency Standby Generator. The replacement tank will be of similar size but will be an Aboveground Storage Tank (AST).

Goleta Water District (GWD) has seven different facilities equipped with stationary diesel-fueled emergency power generators ranging in size from 16 kW up to 750 kW. GWD issued a task order to LEE + RO to evaluate and perform a condition assessment on these generators and provide prioritized recommendations for repairs or replacement to avert potential future failures.

District to retire the existing Broadway Sewer Pump Station

Goleta Water District’s (GWD) Hollister Booster Pump Station (BPS) is an underground facility that is part of the GWD’s recycled water system. An Arc Flash Study had recommended that the main switchboard/MCC and VFD/PLC be replaced in their entirety.

The Pierce Street Pump Station is the largest wastewater lift station in the City of Riverside. It handles on average 4.5 MGD and is currently experiencing operational challenges. Issues include non-operational valves, leakage from the wet well into the dry well, aging mechanical equipment, and outdated electrical components.

Evaluating Motor Control Centers and Pump Control Panels for 123 Facilities

LEE + RO is providing Elsinore Valley Municipal Water District (EVMWD) with engineering services for inspection, evaluation, and condition assessment of the Motor Control Centers (MCC) and Pump Control Panels at 123 EVMWD facilities.

Dual Force Mains for Enhanced Reliability

The Sewer Maintenance Division (SMD) of the County of Los Angeles Department of Public Works has awarded LEE + RO with a contract to provide design engineering services for the preparation of two separate but concurrent Preliminary Design Reports (PDR) for the replacement of the Fountain Springs and Indian Creek Pump Stations, both located within the City of Diamond Bar.

The San Bernardino Municipal Water Department (SBMWD) owns and operates the Meridian Lift Station, which is adjacent to many single-family residences, as well as the San Bernardino Flood Control District’s Randall Basin, near Randall Avenue and Meridian Avenue in the southwest portion of the City of San Bernardino. The lift station was constructed and placed into service in 1983. At 38 years old, it is in relatively poor condition and suffers from operational challenges.

Irvine Ranch Water District’s (IRWD) Turtle Rock Zone 3 Reservoir (TR Z3 Res) is located in Irvine and supplies water to the surrounding Turtle Rock neighborhood and to the Zone 3 to 4 Pump Station (TR Z4 PS), which serves the uppermost portion of the neighborhood.

LEE + RO is providing Gate 5 Energy Partners, Inc. (Gate 5) with design services for construction documents and supporting material to complete a demonstration scale of their MG5 System at Santa Margarita Water District’s Chiquita Water Reclamation Plant.

The City of Brawley (City) owns and operates a 15 MGD capacity water treatment plant and distribution system that includes two raw water storage reservoirs and two spent backwash water storage reservoirs. The reservoirs are concrete with polypropylene liners.

The City of Brawley (City) owns and operates a wastewater treatment plant with a 5.9 million gallons per day permitted capacity. The influent wastewater is treated by extended aeration basins (i.e., Biolac system) and secondary clarifiers. The secondary effluent is then disinfected by a Trojan UV4000 system and then discharged to the New River.

LEE + RO has completed several projects for the City of Colton, including their Wastewater Treatment Plant Centrifuge project, Plant 2 Condition Assessment, and the Prado Booster Pump Station Upgrades (currently under construction).

The Rancho California Water District (RCWD) and Eastern Municipal Water District (EMWD) have entered into a mutual agreement to swap sewer flows to allow for the decommissioning of RCWD’s Winchester Park lift station.

LEE + RO and the City of San Diego are honored to be named by ASCE – San Diego Section as the winner of the 2020 “Outstanding Wastewater Treatment Project” and by APWA – SD Section as the winner of the 2021 “Project of the Year” awards for the UV Disinfection System Replacement Project at the South Bay Water Reclamation Plant.

The City of San Diego partnered with LEE + RO on the design of a new UV system that not only is more efficient resulting in reduced maintenance time and cost, but also ensures that the reclaimed water is safe and ready for distribution.

To learn about this project, read the case study.

Fraxia Engineering (Fraxia), a San Jose-based firm, won the contract from the San Jose Water Company (SJWC) to install a chloramination system inside a new block building at their 12th Street Station facility. SJWC has installed this type of system on other facilities.

LEE + RO, Inc., today announced that it has promoted Principal Engineer Sam Lee, P.E., to QA/QC manager. Lee, working together with company President Charles Ro, will take the lead in solidifying the firm’s quality management system through enforcement of corporate policies, procedures, and protocols for quality planning, quality assurance, and quality control.

LEE + RO, Inc., today announced that Supervising Engineer Eric Magee, P.E. ENV SP, has been named the San Diego branch manager. He assumes the role from Vice President Eric Lovering, P.E., who was recently promoted to chief engineer. Lovering, who managed the region for the past 17 years, will continue to work out of the San Diego office.

Speed is essential to meet Caltrans' permitting requirements

The City of Anaheim’s (City) Department of Public Utilities has contracted LEE + RO to design the replacement of their existing 16-inch diameter potable water mainline with a new 24-inch diameter potable water mainline.

Joins us on June 9th from 7:30 AM to 9:00 AM for a brisk presentation on the topic of Motors and Variable Speed Applications at AC21. The subjects that will be covered include:

• How Motors Work
• Pump vs System Curve
• Pump Efficiency
• How Much It Costs to Pump Water

According to the California Energy Commission: Pumping, treatment, and distribution of water account for nearly 20 percent of the total electricity consumed in California. The report also stated that “… batteries are a key part of the energy transition especially when it comes to providing grid energy storage.

The City of Riverside’s Public Works Department is experiencing operational challenges at their Wood Road sewer pump station. Some of the issues are heavy ragging, extended VFD ramp-up time, pumps not operating at recommended efficiencies, and most recently, failure of the ultrasonic sensors.

The city of Riverside has contracted LEE + RO to prepare the construction documents for the replacement of two existing wastewater lift stations: Fairgrounds Street Lift Station and Dexter Drive Lift Station. Both of the existing lift stations were originally constructed in the late 1960s with a wet well manhole and a pump chamber vault with pedestal mounted pumps in a duplex (duty/standby) configuration.

Claudia joined the LEE + RO team back in June 2018 as an administrative assistant. Over these past 2-1/2 years, she has been a jack-of-all-trades and eager to help anyone who needed support related to ongoing projects.

Gloria has extensive experience providing support services having spent 15 years working at the Los Angeles County Superior Court. She was responsible for maintaining accurate court records, findings, and entering information into the case management system, as well as reviewing and processing a variety of legal documents for assigned Judicial Departments.

The Sonoma County Water Agency (SCWA) owns, operates, and manages the electrical system at Sonoma Water's Airport/Larkfield/Wikiup Sanitation Zone's Treatment Plant. The treatment plant was constructed in the early 1980s and a photovoltaic system was installed in 2007 to offset utility costs.

LEE + RO, Inc., today announced that Kevin Saleh, P.E., has joined LEE + RO as a supervising engineer. He will work out of the City of Industry office.

The City of El Centro (City) owns and operates a Water Treatment Plant (WTP) that receives its water supply from the Colorado River through the Imperial Irrigation District’s (IID) canals. The City’s WTP has a design capacity of 21 MGD, with an average daily demand of 7.8 MGD and current peak flows of 13-14 MGD.

LEE + RO, Inc., today announced that Metropolitan Water District of Southern California veteran Shiv Murti, P.E., has joined the company as a principal electrical engineer. He has four decades of electrical and controls engineering experience in water treatment and conveyance, coal-fired power plants, nuclear plants, and oil refineries.

LEE + RO has been awarded a contract from the Los Angeles County Department of Public Works (LACPW) for design improvements at a sewage lift station and force main in the City of San Dimas.

LEE + RO, Inc., today announced that Michael Assadourian, P.E., has rejoined LEE + RO as a supervising electrical engineer.

SITUATION
The Whittaker Bermite Corporation was a munitions manufacturer who, from 1934 to 1987, manufactured, stored and tested munitions, explosives, and other military equipment on a 996-acre, undeveloped site in the Santa Clarita Valley.