Ventilation Gantry
Judlau
Design and supply of ventilation bulkhead gantries with built in fans/scrubbers to remove dust from work area
Fan Skid Mounting System
Dragados/Judlau
Mounting system for temporary ventilation system under Madison Yard
Scrubber Installation
Dragados/Judlau
28,000 CFM fan and scrubber installation for rib of 22’ diameter tunnel
Blast Door/Damper Assembly
Tutor-Salida
54” Heal tap elbow with blast door and weighted damper that opens when negative pressure exceeds pre-set value
Vent Car
McNally/Kiewit
Custom engineered drop deck flat car with engineered for purpose scissor lifts that carry vent sections in low and lift into place for installation in tunnel
Roadheader Ventilation Platform
Dragados/Judlau
Bolts Into Tunnel Rib, 32,000 CFM Fan and Scrubber System, 1000 KVA Roadheader Transformer also mounted on deck
Madison Yard Vent Ducting
Dragados/Judlau
Ducting system design for installation with limited clearance in Madison Yard
Tunnel Utility Installation
OHL
Design of ventilation system, and utility support brackets for shaft and tunnel
Ventilation System
Judlau
Bulkhead and Scavenger system provides adequate ventilation for station rebuild operations
Ventline Clamshell
Barnard/Impregilo/Healy
Ventline clamshell assemblies for 54” hardline ducting on a new Robbins EPB Machine
Montague Tunnel Ventilation
Judlau
Design of tunnel temporary ventilation system
Roadheader Ventilation Platform
Dragados/Judlau
Transported and relocated with strut gantry, 32,000 CFM Fan and Scrubber System, 1000 KVA Roadheader Transformer also mounted on deck
Rondout Ventilation System Design
Kiewit/Shea
Design of 1060 HP tunnel ventilation system for TBM and Drill/Blast project
Hartford Ventilation System Design
Kenny/Obayashi®
Design of shaft and tunnel ventilation system for TBM tunnel on Hartford CSO project
East Side Access Ventilation System Design
Tutor Perini
Design of multiple shaft, tunnel, and cavern ventilation systems for final stages of East Side Access project
Shaft & Tunnel Vent System
Kiewit
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