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Holy Trinity Catholic Church

Washington D.C.

Completion Date: 2000

Duration: twenty-four months

Contract Value: $6,381,386

Description:

The original church structure was built in 1792. Roy Kirby & Sons, Inc. underpinned the existing stone foundation in order to expand the lower levels of the existing offices. Much of the stone foundation required shotcrete in order to stabilize the stone before the underpinning operation.

The renovations included the transformation of the original church building to offices, as well as a new subterranean office addition totalling 30,000 square feet. Because storage space was extremely limited, this project required careful coordination of material delivery and scheduling of sub-contractors.