1. What are the concerns of project manager Bryan Lee?
He has many concerns do building methods and materials match those in the agree ment are schedules met are costs kept within bounds.
2. Why do they engineers and construction workers use a boring machine to make tunnels instead of cut and cover construction?
Boring creates far less surface disturbance than cut and cover construction.
3. What do the worker’s do to protect themselves in the newly formed tunnels from harmful levels of gases found in the soil at the various new subway sites?
The miner shieleds has a built-in gas detector and each miner wears a belt equipped with an oxygen mask and tank.
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