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ENGINEERING - municipal utilities

Municipal engineering includes all of the civil and environmental engineering services required to address the complex infrastructure, environmental and land use issues facing municipal governments. Acting as consultants and/or engineers, LHJ provides general consultation to many municipalities throughout Louisiana, the Southeast and Southwest regions of the United States . Our assignments have included a wide variety of municipal projects and services.


Transportation  | Land Development | Ports & Harbors | Hydraulics | Municipal Utilities | Flood Protection | Special Structures

17th St. Canal Breach Repairs & Interim Drainage Pumping Station

Location:  Metairie, LA

Project Description:

LH&J was the prime engineering consultant for the Emergency Breach Closure, Permanent Breach Repairs and Interim canal Closure and Drainage Pumping Station that were constructed at the 17th Street Canal as a result of damages caused by Hurricane Katrina. Each of these emergency projects required innovative solutions and intensive collaboration with the Corps of Engineers and the limited available construction contractors to develop repairs and improvements that could be designed and implemented on a fast-track basis.

   
Boothville Sewage Treatment Plant

Location: Boothville, LA

Project Description:

The project was designed and constructed to add secondary treatment to the existing primary sedimentation plant. The improvements consisted of two new secondary clarifiers, a new Bio-Tower and pump station, a new anaerobic digester roof, a new electrical motor control center and rehabilitation to the existing plant structures.

   
Paving of Hoey's Canal

Location: Metairie, LA

Project Description:

This project was constructed to improve the hydraulic efficiency of the Jefferson Parish Drainage system by diverting storm drainage flows to the Monticello Canal and Pump Station No. 6. LH&J prepared conceptual hydraulic studies of various alternatives and performed the engineering, design and construction observation of the selected option to construct a 25 feet wide by 5 feet deep pile supported concrete flume with paced side slopes.

   
Belle Chasse Sewage Treatment Plant

Location: Belle Chasse, LA

Project Description:

The project was designed and constructed to add secondary treatment and expand the existing primary sedimentation plant. The improvements consisted of a new primary clarifier, two new Bio-Towers and pump stations, two new secondary clarifiers, new anaerobic digester roof, new maintenance building, new belt filter press and rehabilitation to the existing plant structures.

 

   
Hollygrove Area Drainage Improvements

Location: New Orleans, LA

Project Description:

Under this SELA (Southeast Louisiana) Drainage Improvement project, LH&J performed the engineering designs for construction of 7,700 feet of new covered box culverts beneath the existing residential streets and reconstruction of the affected roadways and underground utilities. Extensive planning and coordination were performed to minimize the impacts to the residents of this area while the work was performed and the utilities were relocated and rebuilt.

   
   

Transportation  | Land Development | Ports & Harbors | Hydraulics | Municipal Utilities | Flood Protection | Special Structures