Page 201 - Urban Construction Project Management
P. 201
156 Chapter Six
Exhibit 6-34A Above grade
Alternative
supporting walls. Below grade
Existing foundation wall
Building’s basement
floor slab
Original footing
New foundation wall
(pour in alternate 4.0’ sections)
New footing
Exhibit 6-35 Clamshell Reinforcing Concrete Concrete
digger Slurry cage poured wall
Slurry wall detail.
Tie
backs
New
excavation
