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Infrastructure & Tunnels
Tunnel Ventilation Duct & Damper Assembly
CLIENT / TARGETPrime Infrastructure Contractor
INDUSTRYInfrastructure & Tunnels
LOCATIONNorth America
APPLIED VERMATI ARCHITECTURE LAYERS
✓ DESIGN
✓ BUILD
OPERATE
✓ VERIFY
Core Technical Requirement
Deliver heavy-gauge ductwork, high-pressure damper housings, and custom tunnel mounting brackets designed to withstand seismic and ventilation loads inside a restricted underground transit corridor.
Engineering & Operational Constraints
- •Strict field installation window during nightly track access windows
- •Tight tolerance requirements across welded flange connections
- •Corrosive high-humidity underground ambient environment requiring 316L stainless specifications
Vermati Scope
- 3D BIM Detailing & Scan-to-BIM Coordination
- Fabrication Shop Drawings & Flange Tolerance Analysis
- Partner Production Network Execution & QA Inspection
- Pre-installation Modular Assembly Tagging & Field Handoff
Execution Approach
- STEP 01Created SolidWorks models and exported Revit BIM families directly into prime contractor master model.
- STEP 02Engineered modular spool pieces with pre-aligned mounting tabs to minimize field welding.
- STEP 03Routed precision cutting and seam welding through qualified industrial network partners.
- STEP 04Conducted QA inspection and dimensional testing prior to dispatch.
Deliverables
✓ LOD 400 Structural Shop & Fabrication Drawings
✓ Heavy-Gauge 316L Ductwork Spools with Flanged Connectors
✓ Custom High-Pressure Damper Housings & Anti-Vibration Brackets
✓ Verified Material Test Reports (MTRs) and Dimensional QA Log
Work Material
Representative Material
Revit BIM Model & Scan-to-BIM Overlay
Point cloud scan overlay showing duct clearance against existing tunnel vault concrete lining.
Representative Material
Flange Weldment Inspection Sheet
Ultrasonic weld inspection log and dimension check sheet for high-pressure damper housings.
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