Commissioners flag guideline conflicts over eave removal and big windows on Armory Hall plan

Staff told the Aspen Historic Preservation Commission that removal of the southern eave on the Hopkins elevation — an addition dating to about 1906 — would likely conflict with the Historic Preservation Design Guidelines because an older addition can itself have historic significance. Staff cited guideline 10.1 and related provisions calling for preservation of historically significant additions and cautioning against additions that obscure important historic fabric.

Jillian told the Commission that the proposed fenestration changes on the southern (Hopkins) facade "significantly increase the amount of glass on the character‑defining elevation, which negatively affects the integrity of the resource" and that guideline 3.5 (size and proportion of historic window openings) and 3.7 (adding new openings) apply. The staff memo also flagged the visitor center and vestibule additions as affecting historic brick that staff said shouldn’t be removed without stronger documentation.

Commissioners repeatedly raised alternatives: reducing vestibule size, shifting mechanical screening, stepping the visitor center back from the historic wall, or using a small hyphen/connecting element so the new work reads as separate. Commissioner comments repeatedly referenced the Wheeler Opera House as a local example where new work is visually distinguished from the historic resource.

No final design decision was made; the Commission continued the item so the applicant can return with additional documentation and alternative design options addressing staff and commissioner concerns.