Big Dig project managers persuaded the designer of the Interstate 90 connector tunnel ceiling to reduce by half the number of bolts supporting each ceiling hanger, The Boston Sunday Globe reported.
The Massachusetts Turnpike Authority should install stainless steel strapping and 900 anchor bolts to secure the ceilings at either end of the Ted Williams Tunnel, an engineer told Turnpike Board ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results