Common use of Mothballing in Accordance with Historic Preservation Standards Clause in Contracts

Mothballing in Accordance with Historic Preservation Standards. In the event NSF identifies the need to mothball historic properties with the intent that science- and education-focused operations would resume within 3-5 years, NSF will follow the guidance in the NPS Preservation Brief 31, “Mothballing Historic Buildings” and The Secretary of the Interior's Standards for the Treatment of Historic Properties with Guidelines for Preserving, Rehabilitating, Restoring and Reconstructing Historic Buildings, as appropriate, with implementation of the following measures: a) All exterior elevations of the building or structure will be photographed, including at least one context photo. Archival-quality digital photographs will be produced in accordance with professional standards. b) Historically significant equipment and artifacts associated with historic properties that will not be repurposed for further scientific use by NSF will be identified before the shutdown, and NSF, if feasible, will contact other observatories for possible reuse or appropriate museums and archives for donation to their collections. c) To avoid an adverse effect, a cyclical maintenance plan that includes repairs as needed will be prepared and implemented.

Mothballing in Accordance with Historic Preservation Standards. In the event NSF identifies the need to temporarily mothball historic properties with the intent that science- and education-focused operations would resume within 3-5 yearsin the near future, NSF will follow the guidance in the NPS Preservation Brief 31, “Mothballing Historic Buildings” and The Secretary of the Interior's Standards for the Treatment of Historic Properties with Guidelines for Preserving, Rehabilitating, Restoring and Reconstructing Historic Buildings, as appropriate, with implementation of the following measures: a) a. All exterior elevations of the building or structure will be photographed, including at least one context photo. Archival-Archival- quality digital photographs will be produced in accordance with professional standardsstandards as set forth in the NRHP Photograph Policy Factsheet (dated 5/15/2013). b) b. Historically significant equipment and artifacts associated with historic properties that will not be repurposed for further scientific use by NSF will be identified before the shutdown, and NSF, if feasible, will contact other observatories for possible reuse re- use or appropriate museums and archives for donation to their collections. c) c. To avoid an adverse effecteffect caused by demolition by neglect, a cyclical maintenance plan that includes repairs as needed will be prepared and implemented.