O&S Associates

Provides architectural planning, structural design, and construction administration for both new construction and existing-building renovations across residential, commercial, and public properties.

• New Architectural Design

  Planning and design for new residential, commercial, and public structures.

• Restoration and Renovation

  Engineering assessments, repair designs, and restoration plans for existing facilities.

• Construction Administration

  On-site quality control, construction monitoring, and administration of design-build project delivery.

Delivers comprehensive engineering for vehicular facilities, specializing in new structure design, existing deck restoration, and complete project delivery support.

• Parking Structure Design

  Structural engineering and architectural planning for new multi-level parking facilities.

• Parking Structure Restoration

  Condition assessments, concrete repair design, and waterproofing for existing parking garages.

Protects and restores exterior building enclosures through specialized assessments, repair designs, and compliance testing for facades and roofing systems.

• Facade Engineering and Restoration

  Investigation and remediation of exterior wall systems, including masonry, concrete, and curtain walls.

• Roofing System Design

  Evaluation and design services for commercial and residential roofing and waterproofing assemblies.

• Exterior Wall Inspection

  Mandatory structural safety evaluations led by certified Qualified Exterior Wall Inspectors.

Integrates building systems and site infrastructure solutions, from mechanical, electrical, and plumbing engineering to site civil layout and water management.

• MEP Engineering

  In-house mechanical, electrical, and plumbing systems design and restoration engineering.

• Site Layout and Grading

  Civil engineering solutions for site development, accessibility, and land contouring.

• Hydrology and Stormwater Management

  Hydraulic analysis, drainage design, erosion control, and compliance with stormwater regulations.

Provides independent engineering investigations, expert witness services, and technical analysis for legal disputes, construction defects, and insurance claims.

• Forensic Engineering

  Technical investigation and failure analysis of structural and building system defects.

• Expert Witness Services

  Objective expert testimony, dispute resolution support, and litigation consulting.

Conducts detailed financial and physical assessments of properties to assist associations, owners, and developers in long-term planning.

• Capital Reserve Studies

  Detailed funding evaluations and life-cycle costing for long-term property maintenance.

• Transition Studies

  Technical assessments of newly constructed properties during transition from developer to owner control.

Assists building owners in meeting municipal and state safety codes, including local structural and facade inspection regulations.

• Facade Compliance Inspections

  Official safety filings and compliance reporting for local exterior wall ordinances.

• State Safety Compliance

  Regulatory reviews and structural certifications to ensure adherence to regional codes.