Trigon Associates, llc

Environmental Assessments for Roadways; Orleans, Plaquemines & Jefferson Parishes, LA

Environmental Assessments for Roadways; Orleans, Plaquemines & Jefferson Parishes, LA

New Orleans Regional Planning Commission Louisiana Department of Transportation and Development Location:  Orleans, Plaquemines & Jefferson Parishes, LA Completed: Ongoing Trigon Associates, LLC (Trigon) is serving as a sub-consultant on multiple projects consisting of the preparation of Stage 1 Environmental Assessments (EA) for roadway projects. The projects are being administered by the New Orleans Regional […]

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South Shore Basin Rehabilitation Design

South Shore Basin Rehabilitation Design

Sewerage and Water Board of New Orleans New Orleans, Louisiana Completion: Ongoing As part of a large sewer program being performed by the Sewerage and Water Board of New Orleans, this work consists of the design of multiple projects for the rehabilitation of sewer facilities in the South Shore Basin of New Orleans. The rehabilitation […]

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USACE New Orleans District Flood Protection Project and Construction

USACE New Orleans District Flood Protection Project and Construction

U.S. Army Corps of Engineers Location: Louisiana Project Description Trigon served as a sub-consultant to the program management team for the U.S. Army Corps of Engineers, New Orleans District Protection Restoration Office (PRO). Trigon staff provided various services, including project controls, project management and construction management services for projects within the PRO that were in […]

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Orleans Parish Criminal Sheriff’s Office Recovery Program

Orleans Parish Criminal Sheriff’s Office Recovery Program

Orleans Parish Criminal Sheriff’s Office Location: New Orleans, Louisiana Project Cost: $200M Completed: Ongoing This program, valued at over $200M, generally consists of the recovery of buildings and facilities within the Orleans Parish Prison complex operated by the Orleans Parish Criminal Sheriff’s Office (OPCSO). Many of the facilities within the prison were damaged as a […]

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Sewer System Evaluation and Rehabilitation Program

Sewer System Evaluation and Rehabilitation Program

Sewerage and Water Board of New Orleans Location: New Orleans, Louisiana Completed: 2009 Due to a Consent Decree from the US Environmental Protection Agency (USEPA) and the Dept. of Justice (DOJ), the Sewerage and Water Board of New Orleans (S&WB) is executing the comprehensive Sewer System Evaluation and Rehabilitation Program (SSERP), to evaluate and rehabilitate […]

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Drainage Master Plan

Drainage Master Plan

City of New Orleans Department of Public Works Location: New Orleans, Louisiana Completed: 2010 Trigon was a subconsultant for this project.  The Drainage Master Plan (DMP) for the City of New Orleans consisted of the evaluation of the existing surface and street sub-surface drainage system maintained by the Department of Public Works (DPW), including ditches, […]

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E. 70th Street (LA511) – Creswell Road to East Ridge Drive Water Main Relocation

E. 70th Street (LA511) – Creswell Road to East Ridge Drive Water Main Relocation

City of Shreveport Location: Shreveport, Louisiana Completed: 2011 Trigon served as the prime engineer on this project, which consisted of the design of improvements to transfer all existing water pipeline connections, laterals and private metered service lines from an existing 8-inch water main, on East 70th Street from Creswell Road to East Ridge Drive, to […]

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Audubon Zoo Sea Lion Pool Shade Canopy

Audubon Zoo Sea Lion Pool Shade Canopy

Audubon Zoo Location: New Orleans, Louisiana Construction Value: $150,000 Completion: August 2010 Project Description Trigon was contracted by the Audubon Nature Institute (ANI), a local non-profit organization, in February 2010 to provide services for the planning, development, design and construction of a shade canopy and supporting structure for the sea lion pool at the Audubon […]

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Hazard Mitigation Retrofit of Multiple Buildings

Hazard Mitigation Retrofit of Multiple Buildings

Federal Emergency Management Agency Location: Plaquemines Parish, Louisiana Completed: 2010 Trigon is currently providing engineering, design and construction services on this project, which generally includes retrofitting thirty (30) existing buildings/facilities throughout Plaquemines Parish to protect the integrity of the building envelopes and strengthen the components of the buildings against high winds (up to 140 mph). […]

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Engineers Road/Cazalard Road Drainage Improvements

Plaquemines Parish Government Location: Plaquemines Parish, Louisiana Project Cost: $2M Completed: 2013 Trigon is the prime engineer for study, engineering, design & construction services for $2M of Hazard Mitigation drainage work. Consists of evaluating a 100+ acre drainage basin – multiple open canals and ditches (approximately 3,000 LF), culvert crossings of major roadways and railroads, […]

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