Springfield City Hall Historic Exterior Lighting Modification
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Grand Light modified and retrofit fourteen historic bronze lighting fixtures from the exterior of the City Hall in Springfield, Massachusetts.

The fixtures included eight bronze exterior wall sconces, and six exterior bronze street lights. City Hall opened in 1913 and is part of a trio of Greek revival buildings commonly referred to as the "Springfield Municipal Group".

The modification included the replacement of lamps, ballasts, sockets, mounting hardware and wiring. All components were UL listed and tested in accordance with UL standards. In addition, broken glass panels were replaced with antique glass matching the original.

Following a close examination of the fixtures in Grand Light's shop, concept drawings were prepared for the lamp-ballast retrofit kits. These drawings specified the lamps, sockets, and ballasts to be used during the mock-up phase of the project. Original components were to be re-used or modified when possible.
Mock-ups were made of the retro-fit kits for both the pole mounted fixtures and wall mounted fixtures. During these mock-ups it was determined that the large glass panels in the post tops were originally cut short in both length and with. This allowed water to easily enter the interior of the fixtures from the vertical slots surrounding the lower edge of the upper portion of the post tops and to flow down the poles interior shaft.

Grand Light's artisans were able to locate sheets of fusible hand rolled glass to match the historic glass from the fixtures. This glass will be cut into panels and installed in both the post-mounted fixtures and wall sconces as a final step of the project.

Following the construction of a mock-up, testing, and approval, Grand Light's artisans mounted a 50W Metal Halide 120v Electronic Ballast enclosed in a 6"x5"x3" watertight aluminum enclosure for mounting in the existing bracket of the eight exterior wall sconces. This assembly included the existing brass pipe and fixture base fitter, as well as a new Medium Base Pulse Rated Socket with a custom bracket, and a 50W Metal Halide Lamp.

The six street light fixtures were upgraded with a 70W Metal Halide 120v Electronic Ballast enclosed in a 6"x5"x3" watertight aluminum enclosure mounted in the lower frames of the fixtures. The assemblies include the existing fixture base fitter, as well as a new Medium Base Pulse Rated Socket with a custom bracket, and a 70W Metal Halide Lamp. Original components were used whenever possible in the construction of the retrofit kits.

As a final step of the project, Grand Light's artisans cut 180 pieces of fusible hand rolled antique glass for installation in both the post-mounted fixtures and wall sconces.

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Lighting Consultant:
Ryan Stockman
Grand Light
New Haven, CT
1-800-922-1469
info@lightrestoration.com

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Light Restoration by Grand Light