TRC Haynes Generating Station

The Customer

TRC Companies, Inc. is a global consulting firm for the oil and gas, power, environmental and infrastructure markets. The company is a leader in providing end-to-end engineering, consulting and construction management solutions fuelled by innovative technology. TRC employs over 5,000 staff in 140 offices across the US, Canada, UK and China and is ranked #19 on ENR’s list of the Top 500 Design Firms in the United States. As part of its services, TRC conducts environmental monitoring programs to minimize the potential impact on the local community.

Setup and installation were hassle-free and the real-time, web-based access to the data has set a new standard on these types of projects.

David Lennon, Vice President at TRC Companies, Inc.
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TRC Haynes Generating Station

The Problem

TRC was engaged by the Los Angeles Department of Water and Power (LADWP) to remove four decommissioned generating units at the Haynes Generating Station in Long Beach, California. LADWP is the nation’s largest municipal utility, with a 7,880 megawatt (MW) electric capacity and serving an average of 438 million gallons of water per day to the four million residents of the City of Los Angeles.

The $104m reclamation project includes the demolition of natural gas boilers and steam turbine generators built in the 1960s and removal of six 240-foot stacks. Once cleared, the site will be used for energy storage solutions and other clean grid initiatives. The project will support LADWP’s Clean Grid LA initiative, which calls for achieving 100 percent renewables by 2045 and a carbon neutral power portfolio by 2050.

TRC will undertake asbestos abatement, industrial cleaning, environmental remediation, building construction, site restoration and environmental and community mitigation. As these site works were deemed to have a potential environmental impact on the surrounding community, perimeter monitoring for dust, noise and vibration was requested by LADWP.

The Solution

David Lennon, TRC Project Manager, investigated several monitoring options before choosing the Aeroqual Dust Sentry PM10 monitor, which allowed TRC to remotely monitor the site during demolition activities using Aeroqual’s cloud-based data management solution.

Working with our specialist integration partner Specto Technology, TRC located four Dust Sentry systems on each boundary of the site, equipped with four integrated Class 1 sound level meters and a weather station. Specto Technology also provided TRC with vibration monitoring equipment and a complete solar power solution to meet the requirements of the Site Monitoring Plan.

The integration of a weather station to the monitoring system allowed for real-time calculation of source contribution for comparison with dust action levels using custom software designed by Specto Technology.

Air, noise, weather and vibration data was sent from Aeroqual Cloud to the eagle.io data management software and displayed together on a site dashboard for TRC to share with stakeholders and evaluate in real-time. Email alerts were configured to allow TRC to adjust control protocols as required.


TRC run four portable Dust Sentry PM10 systems with integrated solar power, telemetry, noise, weather and co-located vibration sensors

Evaluation

TRC commissioned four portable environmental monitoring stations, powered by Aeroqual Dust Sentry systems for their client LADWP at the Haynes Generating Station in Long Beach, California.

The actionable data received from the monitoring network allowed TRC to notify LADWP if the criteria was exceeded and to undertake mitigation actions to minimize the potential off-site impacts of fugitive dust, noise and vibration during demolition activities.

TRC was very satisfied with the solution. David Lennon says, “When we saw the level of technological sophistication that Aeroqual and Specto would bring to the project, they were the obvious choice for TRC to partner with for a critical component of the project’s success. Setup and installation were hassle-free and the real-time, web-based access to the data has set a new standard on these types of projects.”

What solutions does Aeroqual offer?

Aeroqual’s Dust Sentry and AQS 1 are flexible air monitoring platforms used by air quality professionals, environmental consultants and industrial hygienists, for compliance air monitoring. We help environmental consultants deliver defensible data on projects by providing cost-effective and reliable instrumentation. For your next project contact us for your air monitoring needs.

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