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Salas O’Brien provides comprehensive civil and environmental engineering services for government and commercial clients. We specialize in solving unique civil engineering challenges such as designing in coastal and marine environments. We know how to harden assets to withstand severe storm events, refurbish and rehabilitate aging infrastructure, and address poor or variable soil conditions. Our services include:

Civil Engineering

• Site development
• Stormwater design and permitting
• Water distribution
• Wastewater collection and management
• Landfills
• Parking and roadways
• Coastal management
• Horizontal infrastructure and utilities

Environmental Engineering

• Contamination assessments
• Recommended actions including remediation, no-action, or site monitoring
• Regulatory agency remediation liaison and negotiations
• Remediation project management

Salas O’Brien designs and analyzes complex facilities and aerospace ground support mechanical systems. We perform planning studies, project scoping, requirements development, and two- and three-dimensional (2D/3D) computer-aided design and Building Information Modeling (BIM). Design tools we use to generate models and drawings include Autodesk AutoCAD and Revit as well as PTC Creo. We write specifications using SpecsIntact. Our services include:

System Design and Analysis

• Heating, Ventilating, and Air Conditioning (HVAC)
• Environmental Control System (ECS)
• Fire protection
• High pressure gasses (nitrogen, helium)
• Hypergolic and cryogenic propellants
• Process water
• Process cooling and heating
• Vacuum and pneumatic
• Thermal, vacuum chambers
• Building mechanical and plumbing

Capabilities

• Finite element analysis
• Computational fluid dynamics
• Fluid flow modeling
• 3D Matterport scans
• Energy efficiency analysis
• Clash detection through software
• Trade studies

From infrastructure to facility power to low voltage service, Salas O’Brien provides a wide range of sustainable electrical engineering solutions integral to multidisciplinary project success. Our services include:

System Design and Analysis

• Power substations
• Distribution, transformers, switches and switchgear
• Direct current and battery power
• Generators
• Automatic and manual transfer systems (ATS, MTS)
• Power conditioning
• Uninterruptible power supplies (UPS)
• Motors and motor control centers (MCC)
• Lightning protection and grounding
• Fire alarm systems
• Hazardous gas and oxygen deficiency monitoring
• Lighting and low voltage electrical service
• Process controls

Analysis Capabilities

• Arc flash
• Load flow
• Power coordination studies
• Short circuit
• Sneak circuit
• Lighting modeling
• Power quality studies

Salas O’Brien’s performs reliability, maintainability, and logistics analysis services to ensure systems and facilities meet mission requirements. We analyze launch vehicle ground support equipment (GSE), aerospace ground equipment (AGE), utility distribution systems, manufacturing process lines, military hardware, and building systems and equipment.

Services include:

• Reliability-centered Maintenance (RCM) Analysis
• Failure Mode and Effects Analysis (FMEA)
• Criticality Analysis (CA)
• Fault Tree Analysis (FTA)
• Root Cause Analysis (RCA)
• Useful life calculations
• Reliability, availability, and maintainability analyses
• Maintenance program analysis
• Predictive Maintenance (PdM), Predictive Technology and Inspection (PT&I) assessments
• Spare parts analysis
• Provisioning parts list
• Integrated logistics support
• Logistics Support Analysis (LSA)
• Logistics support plans
• Human factors analysis
• Human Systems Integration (HSI)

Salas O’Brien provides post-design services; specifically, multi-disciplinary engineering support during the pre-construction, construction, and post-construction project phases.

We ensure design-bid-build and design-build projects are completed on schedule and budget. We serve as owner advocates to ensure newly constructed systems meet design intent and mission requirements. Our post-design services during construction ensure that facility assets achieve cost-efficient operation. Our services include:

Salas O’Brien delivers safety solutions that mitigate risk to workers from workplace environments and industrial processes. We provide occupational safety services to safeguard employees from workplace hazards under the guidance of our certified safety professional (CSP). Our system safety capabilities consist of engineering analysis of industrial processes to identify safety hazards and recommend mitigations that reduce incident risks to client and regulatory acceptable levels.

Salas O’Brien’s clients trust us to provide engineering services that sustain their existing real property portfolios. We provide asset management services such as facility condition assessments, cost segregation studies, FCI calculations, deferred maintenance calculations, FAR and non-FAR based procurement solutions, and other services.

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Salas O’Brien covers all aspects of building envelope consulting, from design collaboration for new construction to installation oversight during construction. On existing buildings, our expertise also includes in-depth forensic analysis to pinpoint envelope failures, then offering detailed repair and remediation guidance.

Our field-testing services use cutting-edge tools to assess air and water tightness, thermal efficiency, and structural soundness. We have an ISO 17025 accredited lab and are capable of conducting a variety of both lab and field testing procedures following FGIA/AAMA, ASTM and other industry standards. Our team also specializes in energy modeling to boost efficiency and hazardous material sampling for safety. Our comprehensive building envelope commissioning ensures optimal performance of your building’s envelope, enhancing the functionality of both new and existing structures.

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