Structural RetrofittingIn-ProgressSadarghat, Old Dhaka
Old Dhaka Heritage Structural Retrofitting
Preservation and structural strengthening of a 100-year-old historic masonry commercial building near Sadarghat. Strengthened using helical stainless steel ties, lime-grout injection, and steel jacket reinforcement while keeping architectural facades intact.
Number of Floors5 Floors Height
Total Built Area35,000 sq ft
Client OrganisationHeritage Trust of Bangladesh
Completion / Status2025 (Ongoing)
Structural RetrofittingIn-Progress
Sadarghat, Old Dhaka
Old Dhaka Heritage Structural Retrofitting
// PROJECT HIGHLIGHTS
Key Engineering & Architectural Features
Non-destructive Schmidt hammer & ultrasonic pulse velocity (UPV) masonry testing
Helical stainless-steel reinforcement bars stitched across unreinforced brick walls
Pressure lime-pozzolana grout injection restoring mortar cohesion
Historic colonial facade preservation approved by Department of Archaeology
// STRUCTURAL BENCHMARKS
Technical Parameters & Material Specs
Building AgeBuilt circa 1920 (~105 Years Old)
Retrofit TechHelical Bar Stitching + Lime Micro-Grout
Safety StandardBNBC 2020 Heritage Strengthening Guideline
// PROJECT MILESTONES
Project Execution Timeline
1
3D Laser Scan & Structural Distress Mapping
2
Archaeology Department Heritage Review
3
Helical Tie Insertion & Grout Grouting
4
Final Seismic Certification & Re-Opening
DEPLOYED SERVICE
View Service SpecsStructural Audit & Retrofitting
Non-Destructive Testing (NDT), core cutting, rebar scanning, and Carbon FRP/Steel Jacketing strengthening.