Description
This massive project included installation and testing of a waterproofing system and construction of the cast in place concrete invert, in the Grand Central Terminal (GCT) East and West Station Caverns. Installation of waterproofing, inverts, linings, embedded MEP and interior structures for the GCT 1 & 2 caverns, and tunnels located South of the GCT Station Caverns and construction of the 38th St Ventilation facility and associated surface structures and utilities.
ULMA Solution
Bench work - custom formwork; Single Sided subway walls; Shoring for supported mezzanines; Column Forms. We have the best design of One-Faced Walls, providing labor-savings to the contractor.
We Provided MEGAFORM, A-Frame, MEGALITE and C6 Channels to form one sided wall & 2 sided walls, all Engineering drawings, and logistic support and field services.