In honor of today's fallen caisson rig on the Red Purple Modernization project, here are some updates from last weekend:
The gantry for the precast viaduct is coming together. The viaduct segments should start going up before the end of the month, assuming no major delays after the accident.
Step 1 of building the new columns: cutting away the old retaining wall
Step 2: coring the retaining wall and sinking a caisson:
Step 3: forming up the column:
Step 4: completed column (this one was a test column in Walsh's yard)
