LOS ANGELES PROJECTS

 

LOS ANGELES DEPARTMENT OF WATER AND POWER

Electrical Testing Services

PTEI provides LADWP with electrical testing (personnel) services needed to implement retrofit projects throughout the LADWP’s 194 distribution and transmission substation. These retrofits are part of the substation automation project of all substations. PTEI engineers act as project engineers overseeing and commissioning the newly retrofitted systems.

230kV Pine Tree Wind Farm Project

Provide construction management support services in the areas of scheduling, cost control, administration, engineering and inspection services for the Pine Tree Wind Farm Project. The project consists of building 89 windmills in the Tehachapi Mountains, building about 30 miles of difficult and treacherous access roads, and building an 8 mile 230Kv transmission line. Power-Tech used Primavera for cost and schedule control and factory and field inspection services. Each windmill includes a wind turbine generator producing 1.2 MW of electricity. Project was completed in 2008.

Electrical Substation Retrofit and Automation

Project/Construction Management & Engineering Services for the retrofit project of approximately 174 substations throughout Los Angeles County. PTEI is responsible for coordinating construction services provided by Los Angeles Department of Water and Power in-house force account or outside contractors. Work includes coordination, quality control, testing and start-up. The scope of work consists of replacing obsolete power equipment with state of the art.

Reactive Power Management Study

Performed life cycle (analysis) of 9 (nine) (Synchronous) Condensers (SC) by determining total maintenance and operational historical cost of each SC. Developed trend curves to estimate the frequency and duration of future outages. Performed cost/benefit analysis based on present value economical analysis of reliable life extension against direct replacement with modern synchronous condensers. Provided Mechanically Switched Capacitors/Mechanically Switched Reactors and STATCOM as alternative replacements.

Technical & Administrative Services to Support Renewable Standard Portfolio (RPS)

Root Cause Analysis & Report

Power-Tech Engineers conducted an independent root cause investigationand prepared an independent root cause analysis report of multiple outagesat Department’s Receiving Station and developed reliability improvementsand recommendations to eliminate unnecessary forced and sympatheticoutages.

Sylmar Converter Station Ground Electrode Sunset Vault SwitchgearRetrofit Studies & Design Upgrade

LADWP's Pacific Intertie (PDCI) electrode system requires enhancements tothe PDCI ocean electrode system located off the coast of Santa Monica, 5kmfrom the shore at a depth of 50ft. This electrode line consists of overheadline co-locateed in the shield wire position on existing 230 and 138kV towers,and underground cable in duct originating from the large city of Sylmar, CA. Power-Tech Engineers provided the equipment design of the submarineelectrode array and submarine cable to meet the new proposed upgraderating for the Pacific DC Intertie (PDCI) ocean electrode system.

Root Cause Analysis & Independent Review of a 230KV Breaker Abnormal Operation Analysis

Power-Tech Engineers conducted an independent root cause investigation of230kV circuit breakers. Our engineers investigated the breaker failures by conducting field tests and factory inspections along with Conducted metallurgicallab analysis of specimens and recommend solutions and fixes.

Castaic Pump Storage Modernization and Automation Retrofit Project

Castaic Power Plant is a hydro-electric pump storage generating facility. It was built in the 70's and most of the equipment has aged and become obsolete. LADWP embark in a program of refurbishing and retrofitting the hydro plant with state of the art and more efficient equipment, including turbine/generators and controls. PTEI provided Owner Representative Electrical Engineering services for the retrofit of the pump storage generating station to modernize the electrical, instrumentation and control systems. Castaic Pump Storage plant receives water from the California Aqueduct and generates electricity as well as store water by pumping water from Castaic Lake to upstream reservoirs (forebays) and generating in times of high energy rates. Power-Tech assisted LADWP in preparing bid documents and as-found drawings for engineering and construction contractors

Haynes Generating Station Repowering Project

PTEI provided electrical construction management support, relay and lightning protection design services for the retrofit of the old steam power plant by the installation of  combined cycle units. Performed short circuit analysis of the new combined cycle project and provided relay settings for the low, medium and high voltage relay protection coordination, including for the protection of the new generators and switchyard interconnecting breakers.

Valley Generating Station Repowering Project

PTEI provided engineering services for the automation design of the switchyard electrical systems and the integration of the new combined cycle units, as well as the gas peaker units into a centralized data acquisition system, communicating data to the LADWP Energy Control Center system. PTEI also provided equipment as well as test and start-up services. Equipment consisted on new automation cabinets, including data concentrators, PLCs, PCs and HMIs.

 

LOS ANGELES WORLD OF AIRPORTS

Network Station 230kV and 34.5Kv Preliminary Design

PTEI is conducting a preliminary design of a 230Kv Substation and a 34.5kV distributing station which serves all the electrical load of the Los Angeles Airport facilities.

 

BURBANK WATER AND POWER

Magnolia Combined Cycle Generating Station

Conduct system relay protection studies for generator protection retrofit.

Magnolia Microgrid

Develop a viable microgrid which will support critical electric loads on campus, and provide power restoration to the entire BWP electric system in the event of a major energy disturbance. PTEI is conducting an assessment of microgrid requirements and recommendations for implementation.

Magnolia Microgrid Energy Battery Storage System (EBSS) Study for the "Black Start Project"

PTEI provided consulting services for the preparation of technical specifications for an Energy Battery Storage System (EBSS) to utilize for Burbank Water and Power (BWP) Magnolia Micro Grid Project (MPP). This spec will enable BWP to accurately estimate the costs of procuring and maintaining an EBSS for BWP's Black Start Project. PTEI also prepared a report which included recommendations for Phasor Measurement Unit (PMU)  utilization, estimates of power requirements for testing key Blackstart equipment on the MPP combustion turbine using the LM6000 Lake Unit. PTEI will also work with BWP personnel to provide data for use on the 7F simulator.

Magnolia Microgird Smart Grid Feasibility Study

PTEI provided engineering consulting services in performing a feasibility study of the Burbank Microgrid and assistance in black starting the Lake One unit at the BWP administration and generation campuses along with conceptual design drawings of the BWP Microgrid.  PTEI performed a System Assessment of the electrical system; reviewed existing controls, protection and switching operating practices; prepared test plans for islanding operation; supported field test activities; prepared test reports; conducted a study of a conceptual design recommending a control outline and/or electrical system modifications for the successful automatic operation of the Microgrid as well as the Lake One unit black start in order to prepare for a final study report.

Bus Differential Protection Modification Design Support Services

Provided engineering consulting design support services as they relate to modifying existing bus differential protection, preparing relay setting for the bus differential relays, and performing protection audit and coordination study of various relaying schemes

Fault Analysis for  distribution Feeder Protection

PTEI assisted BWP with the recurrent feeder fault outages of M-11.  Reviewed the relay operations and settings in order to identify the cause of these outages.

 

GLENDALE WATER AND POWER

Engineering Services for the Grayson Power Plant

Provide electrical engineering design services for the auxiliary electrical system of the cooling tower replacement project.

 

PORT OF LONG BEACH

Pier A,G,J, & T Shore to Ship Power Project

Construction management support services for the Shore to Ship Power Retrofit Program. Performed electrical field inspection of tthe construction of underground electrical structures, relocation of embedded utilities and wharf modifications for vaults; installation of shore power outlet vaults on the wharf face, all associated conduits, electrical cables and connections, three electrical substations to supply power to each individual berths; installation of fiber optic cables, data link network system, and electrical switchgear upgrades to the SCE main substation.

Pier T Cold Iron Project

Construction management electrical services for the installation of a new substation and electrical system to provide utility power to docked oil ships, avoiding the use of their on board diesel engines for environment protection. Project consisted on underground medium voltage system, power transformers, switchgears, etc.

Pier C Cold Iron Project

Performed electrical field inspection of the installation of an electrical substation that would provide alternate power to the ships docked in the port. This would reduce their emission problem.

 

LOS ANGELES COUNTY METROPOLITAN TRANSPORTATION AUTHORITY

Express Lanes Project Inspection Support Services

Provided construction management support services in the areas of electrical systems inspection. PTEI inspected, monitored, reported and documented the field work of the electrical contractor as they installed, tested, and worked the entire “system” backbone that will support a high occupancy tolling system along a highway corridor for MTA. Further inspection consisted but not limited to, CCTV Cameras, Sensor for tolling systems, Traffic loops, Senor Pucks in concrete, Cabinets with respective hard drives that support tolling systems, Installation of fiber optics, and Connection of fiber optics.

Orange Line Extension Project

Provided construction management support services in the areas of electrical inspection. Oversaw and inspected the electrical conduit installations and the electrical cabinet installations of the construction contractors and ensured compliance in accordance to contract drawings and specifications, along with preparing letter of certification for inspected installations.

ExpressLanes Operations and Maintenance Oversight Project

Provided inspection services which include monitoring the operation and maintenance of the in lane toll systems to ensure that the toll systems are operating properly as well overseeing the preventative maintenance along with reporting all system issues on for the Metro Express Lanes on the I‐10 and I‐110.

Metro Express Lanes /Transit Project

Provided construction management support services in the areas of electrical systems inspection. PTEI inspected, monitored, reported and documented the field work of the electrical contractor as they installed, tested, and worked the entire “system” backbone that will support a high occupancy tolling system along a highway corridor for MTA. Further inspection consisted but not limited to, CCTV Cameras, sensor for tolling systems, traffic loops, senor pucks in concrete, cabinets with respective hard drives that support tolling systems, Installation of fiber optics, and Connection of fiber optics.

Metro Orange Line Extension (MOL) Project  / Transit Project

Provided construction management support services in the areas of electrical inspection. Oversaw and inspected the electrical conduit installations and the electrical cabinet installations of the construction contractors and ensured compliance in accordance to contract drawings and specifications, along with preparing letter of certification for inspected installations.

Metro Orange Line Extension (MOL) - Lassen ST/RR Overcrossing Composite Rearrangement

PTEI provided engineering consulting services for the bridge construction at Lassen St/RR overcrossing for the MOL project. PTEI reviewed power line relocation at Lassen Street; performed a field/site assessment for pole overhead relocation possibilities; provided recommendations and sketches for overhead and underground designs systems options.

 

SOUTHERN CALIFORNIA EDISON

TRTP 500kV Transmission Line Project

Providing project scheduling services for PAR's EPC contract of the SCE's TRTP project. Project consist of a transmission line with three segments for a total of about 60 miles of 500KV single and double circuit.

 

NORTHROP-GRUMMAN AEROSPACE FACILITIES

Power System Analysis

Prepare power system model for the short circuit protection coordination analysis. Prepare motor starting analysis for the wind tunnel motor operation.  Study included main facility at Hawthorne and El Segundo, California

Substation Design

Prepare construction drawings and specifications for the replacement of various 4.16kV secondary substations as well as the main substation.

 

LOS ANGELES COUNTY - ISD

Central Heat Power Plant-Arc Flash Analysis Study

Prepare a system model of the plant electrical system, including the existing co-generators, for short circuit and arc flash analysis. Prepare arc flash label and provide recommendations for electrical system improvements.

Downey Data Center

Conceptual design of the new electrical emergency system for the building electrical system to protect computer load on loss of power, due to internal or external power failures.

All County Buildings

Preliminary engineering design for the emergency electrical system of all LA County facilities, including hospitals, jails, police, etc. facilities.

 

RENTECH INC

Rialto Biomass Co-Generation Project

Conceptual electrical engineering for the development of a co-generation plant, steam and gasified e-fuel (biomass fuel).  Responsible for utility interconnection as well as plant CEC/PUC permitting process.

 

PACIFIC TELEPHONE COMPANY

Pacifictel AM-FM/GIS

Designed an AM-FM/GIS system for operations and commercial use, including the cadastral code, application to integrate with the ERP corporative system. Framme, GeoMedia, MicroStation and Oracle based system; ODL, MDL, ASP programming.