This was a concrete sawing and drilling job of seismic proportions—20 million pounds cut and removed above and below water, 5,000 holes cored to depths up to 39.4 feet, 7,500 square feet of surface scarified—completed in phases over a three-year period.
The construction of Ottawa’s state-of-the-art light rail transit system (OLRT), named the Confederation Line, is the Canadian city’s largest transportation infrastructure project in history with a price tag of $1.6 billion USD.
The City of Philadelphia’s Water Department had a problem, and the obvious method of core drilling was ruled out as a solution due to limited access. So, an alternative solution was needed.
A specialty concrete sawing and drilling contractor was recently called to Port Manatee on the southeastern edge of Tampa Bay, Florida, to cut and remove a 600-foot-long, 44-foot-wide section of a 3-foot-thick concrete wharf and seawall.
A new 1,600-foot-long steel bridge had been open to traffic for several months before an oversight in its design was identified and needed immediate attention.
When a general contractor needed to remove 15,000 square feet of 16-inch-thick concrete weighing more than 3,000,000 pounds in one month, they contacted a professional sawing and drilling contractor.