engineering

Robert Barrilleaux and Associates

Our company's ownership and staff members bring special expertise to a wide range of civil / environmental engineering, surveying, wetland, and environmental projects. Please see the list below for all the services that we can offer to you.

  • Time savings through effective project management
  • High-quality workmanship and materials
  • Professional and efficient project delivery
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Experienced Professionals

With 50+ years of combined experience in the industry, we provide professional and personalized services.

Full-service Offering

Offering a one-on-one relationship across all services whether be commercial or residential.

Timely Completion

We take pride in completing your highly personalized projects in a timely and prompt fashion.

Civil/Environmental Engineering

  • Elevation Certificates
  • House Raising and Shoring Design
  • Sewer design
  • Residential and Commercial Development design
  • Hydraulic analysis (drainage studies, culvert sizing, storm sewer, detention/retention ponds)
  • DEQ permits
  • Sewer discharge permits
  • DOTD permits
  • Road design
  • Stormwater Pollution Prevention Plans
  • Environmental Review
  • Environmental Assessment Phase I and II
  • Engineering approval of house plans for 110 wind loading
  • Trailer foundation inspection for FHA and HUD
  • LOMA and LOMR-F packet submission to FEMA
  • Fire Marshal Submittals
  • Water Well Designs
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Barrilleaux Engineering

provides civil and environmental engineering services for public and private sector projects throughout Louisiana. The firm supports development, infrastructure improvement, and regulatory compliance by delivering technically sound designs aligned with regional conditions and governing standards.With a practical understanding of Louisiana’s terrain, climate, and permitting environment, Barrilleaux Engineering approaches each project with an emphasis on accuracy, constructability, and long-term performance. Services are structured to support projects from initial concept through final approval and construction coordination.Engineering Services

• Civil Engineering & Site Development Engineering support for commercial, residential, and industrial developments, including site layout, grading, and infrastructure coordination.• Drainage & Stormwater Management Design and analysis of drainage systems that address Louisiana’s soil conditions, rainfall patterns, and flood mitigation requirements.• Permitting & Regulatory Support Preparation of documentation and technical plans required for local, state, and agency approvals, including coordination with reviewing authorities.• Infrastructure & Utility Design Engineering for water, sewer, and related utility systems designed to meet capacity, durability, and compliance standards.• Engineering Reviews & Technical Evaluations
 Independent assessments of plans, reports, and existing conditions to support informed decision-making. Engineering with Regional Insight

 Focused, Responsible Engineering

Barrilleaux Engineering emphasizes clear documentation, code compliance, and coordination with project stakeholders. The objective is to deliver engineering solutions that support safe construction, predictable outcomes, and efficient project execution.By combining technical expertise with an understanding of Louisiana’s regulatory and environmental landscape, Barrilleaux Engineering serves as a dependable engineering partner throughout the project lifecycle.

Engineering with Regional Insight

Projects in Louisiana demand careful consideration of environmental factors such as subsurface conditions, elevation, drainage flow, and long-term resilience. Barrilleaux Engineering applies local knowledge and engineering discipline to produce designs that respond to these realities rather than working against them.The firm’s experience spans municipal projects, private developments, and specialized engineering needs, allowing solutions to be scaled appropriately based on project scope and complexity.