ProjectLine provided forensic and investigative engineering services for various confidential clients. Recent projects include investigation of PVC pipe failures at a water treatment plant, and expert witness role in $2.5 million construction claim case. The case resulted from multiple catastrophic…

ProjectLine provided desigsn-phase and construction management for upgrades to security systems at City reservoirs 1, 2, 3, 7, 8, 9 and 10. Upgrades included vandal-resistant, visually attractive electric sliding gates, fences, and Supervisory Control and Data Acquisition (SCADA) equipment enclosures.…

ProjectLine provided mechanical, electrical and instrumentation design for rehabilitation and replacement of 10 large, cast ductile-iron slide gates at 3 flow control structures on MWD’s Upper Feeder. Designs included 2 replacement gates and rehabilitation of 8 corroded gates in service…

ProjectLine provided mechanical and instrumentation engineering design and CAD services for upgrade of MWD’s 520 mgd Weymouth Water Treatment Plant from chlorine disinfection to ozone. Instrumentation design included over 80 P&IDs for ozone generation and related cooling water and chemical…

ProjectLine provided electrical designs for replacement of five corroded 11KV pullboxes that form part of the medium voltage distribution system at Plant 2 located in Huntington Beach. The new boxes were designed to meet code and to be installed without…

ProjectLine provided electrical and instrumentation design services for the Venice Pump Station Dual Forcemain Project as a subconsultant to Tetra Tech. The project provided a second 54 inch forcemain from this critical pump station to improve reliability and allow the…

ProjectLine provided preliminary and final design, and construction management services, for installation of a fuel cell, hydrogen purification system, and hydrogen fueling station at Orange County Sanitation District’s (OCSD) Plant 1 in Fountain Valley, CA. ProjectLine provided services under contract…

ProjectLine provided instrumentation and mechanical engineering, and CAD design support services for chemical systems upgrades to Skinner and Diemer water treatment plants as a sub-consultant to MWH. Projects added and/or replaced sodium hypochlorite, caustic, alum/ferric, ammonia, polymer and fluorosilicic acid…

ProjectLine designed and provided equipment procurement assistance for a 0.5 mgd industrial wastewater treatment plant for a specialty PVC resin manufacturing plant. Designs included three process trains, each with inlet surge tanks, clarifiers, sludge holding tanks, plate and frame filter…

Owens Lake’s ponds, lateral shallow flood, and managed vegetation require water for dust mitigation in compliance with environmental mitigation agreements. The Lake’s water use fluctuates throughout the day due to automated schedules that run over 150 shallow flood laterals and…

ProjectLine assisted with preliminary and final design of CIP improvements for addressing problems related to stormwater drainage at 93 MWD sites in Orange County. Drainage improvements were required to protect distribution structures and pipelines impacted by stormwater erosion. Stormwater damage…

ProjectLine provided electrical design for site improvements on this Proposition O project as a subconsultant to Tetra Tech. The Institute for Sustainable Infrastructure (ISI) named the project as recipient of the 2020 Envision® Gold award for sustainable infrastructure for delivering…

ProjectLine provided electrical, instrumentation and control systems design for the new 600 million gallons/day UV Disinfection Facility for LADWP’s Los Angeles Aqueduct Water Treatment Plant. ProjectLine was subconsultant to ARCADIS (formerly Malcolm Pirnie) for the project. The facility has 14…

ProjectLine assisted with electrical and mechanical rehabilitation design for Terminal Way Pump Station (subconsultant to Brown and Caldwell), and for Highbury Pump Station (subconsultant to Atkins Global). The Terminal Way project included replacement of pumps, motors, air conditioning (AC) equipment,…

ProjectLine evaluated costs and benefits of upstream collection system chemical addition for odor and corrosion control. The goal of the evaluation was to quantify costs and benefits thereby providing for well-informed level of service decisions for OCSD’s collection system. OCSD’s…

ProjectLine assisted with Electrical and Controls design for expansion to 1.4 mgd, including influent pumps, pretreatment, aeration basins, aeration blowers, secondary clarifiers, a digester, and gravity belt thickener. ProjectLine also provided SCADA design including HMI per ISA 101 standards and…

ProjectLine designed HVAC upgrades for OCSD’s Plant 2 Control Center Server Room, including replacement air conditioning (AC) equipment, and installation of air curtains and added ductwork to create cold and hot aisles within the Server Room to improve cooling system…

ProjectLine provided electrical and controls designs for stormwater diversion and treatment as subconsultant to Tetra Tech. Aliso Creek is located within a 12,484-acre watershed that conveys upstream runoff from developed portions of the Northridge, Granada Hills, and Chatsworth down to…

ProjectLine provided contruction management services for repairs of two City of Ontario water supply reservoirs, 0.375 and 2.0 million gallon Reservoirs 5 and 6. ProjectLine staff prepared the project scope of work, cost estimates, construction schedule, evaluation of bids, and…

ProjectLine prepared two reconnaissance studies for Caltrans stormwater management program, each of which included a literature review and study report. The first study evaluated alternatives for stormwater disinfection as a potential new Caltrans BMP. Disinfection alternatives evaluated included anti-microbial filters,…

ProjectLine provided electrical and instrumentation design for the floating cover design as a subconsultant to Arcadis. Design included powering 4 primary rainwater pumps, and 3 rainwater transfer pumps, with related instrumentation and controls. Design included innovative details for electrical connections…

ProjectLine managed and prepared civil and mechanical designs for upgrades and maintenance of the City of Los Angeles’ wastewater treatment plants. ProjectLine staff managed upgrades to a variety of systems including: Emergency oil cooling system for Tillman and Glendale Plant…

To augment water supplies during dry years, Metropolitan Water District of Southern California decided to build a groundwater recovery facility in the Mojave Desert adjacent to the Colorado River Aqueduct and the Julian Hinds Pumping Plant. A submersible pump in…

ProjectLine provided electrical and controls design for dewatering wells installed to improve capacity of backwash ponds at the Van Norman Complex. ProjectLine was subconsultant to Kleinfelder for the project, which included six dewatering wells, each with a dewatering pump. ProjectLine…

ProjectLine provided preliminary electrical and controls design for upgrade/replacement of OCSD’s Edinger Pump Station as subconsultant to LAN (Lockwood, Andrews and Newnam). Preliminary design studies included evaluation of the existing pump station equipment, and compliance with National Electric Code, and…

ProjectLine evaluated four alternatives for re-routing existing storm drainage at LADWP’s Van Norman Complex to make room for construction of a new chlorine contact tank and related water treatment plant site upgrades. ProjectLine produced plans and profiles for the alternatives,…

Projectline provided electrical and instrumentation design services for a new MWD turnout to the Castaic Lake Water Agency as a subconsultant to Kennedy Jenks. The new turnout from the 200 inch MWD Foothill Feeder includes a 48” isolation valve and…

Assisted with pump pre-purchase specifications and design reviews for replacement of two existing 55 cfs, 900 rpm, 3000 HP, VFD-driven horizontal split case pumps. Pumps were capable of operating in reverse as turbines to generate power, however, evaluation of costs…

In 2019 ProjectLine completed a Control System/SCADA upgrade design for West Basin MWD’s 1980s-vintage, 1 mgd Brewer Desalter, which includes a well pump, RO treatment, and chemical injection systems. The control system was an antiquated GE system installed in 1993,…

ProjectLine assisted with electrical and control systems designs for AWPF facilities at the Hyperion, Tillman and Glendale Water Reclamation Plants as subconsultant to Carollo Engineers. Hyperion and Tillman AWPF are design-build projects, and ProjectLine preliminary designs were used as the…