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Board approves copper chimney cap for 516 Collegial Avenue as part of ongoing slate roof project
Summary
The Historic Preservation Board approved a copper wrap over the chimney crown at 516 Collegial Avenue, a house undergoing an extensive slate‑roof and copper restoration project.
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The Historic Preservation Board approved May 14 a request to install a copper wrap over the chimney crown at 516 Collegial Avenue, where the owner is undertaking a comprehensive slate‑roof restoration and copper detailing project.
Owner Frederick Bates presented progress photos and said the proposed 20‑ounce copper wrap would encase the existing concrete cone at the top of the chimney to address repeated cracking and leaks and to harmonize with other copper elements on the newly restored roof. The applicant said the copper will patina over time and will protect the masonry; the craftsman performing the work was described as a long‑time copper artisan.
Staff had recommended denial of this particular cap because a documentary photo record did not show a historic cap in that position; the board discussed the visual impact and the extent of previously approved copper work across the property. After debate the board voted 6‑2 to allow the copper cap, directing that final shop drawings and permit revisions come back through staff review as part of the building permit process.
The owner said the copper cap will be installed under permit and that final details will be coordinated with staff at permit stage.

