Services
Services We Offer
At DDA, we offer a wide variety of services including inspections, evaluations, new designs, rehabilitation designs, asset management, construction engineering, planning and environmental assessments, third party and constructability reviews, as well as contract administration and construction inspections for structures.
DDA can provide engineering services equivalent to those services provided by large multi-national firms yet we are of a size that enables the client to always deal with a Project Manager who is a Bridge Engineer and who can address the client’s needs.
Structure Inspections
- include, but not limited to,
- OSIM Inspection
- Detailed Condition Survey
- Enhanced OSIM Inspection
- Detailed Investigation to Aid Design
- Timber Inspection
- Under Water Inspection
- Box Girder/Confined Space Inspection
- Fatigue Inspection
Structure Design & Evaluation
- include, but not limited to,
- Preliminary Design
- Detailed Design of New Structure
- Rehabilitation Design
- Structure Evaluation and Load Rating
- Retaining Wall Design
- Overhead Sign & High Mast Pole Foundation Design
- Planning & Environmental Assessment
Construction Related Service
- include, but not limited to,
- Construction Inspection
- Contract Administration
- Precast Component Shop Inspection
- Feasibility Review
- Constructability Review
- Construction Engineering
- Temporary Works including Track & Railway Protection.
Specialty Service
- include, but not limited to,
- Structural Health Monitoring
- Forensic Engineering Relating to Bridge Failure
- Emergency Services
- Asset Management
- Third Party/Independent Design Reviews
