State House Dome
Trenton, New Jersey

Original architect
Lewis Broome (completed 1889)

Building owner
The State of New Jersey

In collaboration with

• Jan Hird Pokorny Architects & Planners, cast iron, architectural finishes
• Robert Silman Associates, structural engineering
• Vulcan Supply, roofing
• Gold Leaf Studios, gilding
• Mazia/Tech-Com, metallurgy
• Mathew J. Mosca, historic paints and finishes
• Society for the Preservation of New England Antiquities, decorative painting
• McKernan Satterlee Associates, stained glass
• Preservation Architecture, codes review, report preparation

Scope of work

• coordinated all scheduling of site investigations
• provided safe access and rigging for inspection of the interior and exterior of the cast iron drum/lantern and gilded, copper-clad dome
• conducted non-destructive investigations using ultrasonic testing and fiber-optics borescope
• employed live video feed for interaction with subconsultants, as necessary
• coordinated and undertook removals of decorative sheet metal, cast iron, and structural steel coupons
• coordinated subconsultant submissions to produce a four-volume condition report, with annotated elevations, still photography, and video tapes