Res 2014-092/Standards and Guidelines for Sustainability

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ADDITIONAL RESOURCES • NPS Preservation Brief #3 Improving Energy Efficiency in Historic Buildings • NPS Preservation Brief #9: The Repair of Historic Wooden Windows • NPS Preservation Brief #44: The Use of Awnings on Historic Buildings: Repair, Replacement and New Design • The Secretary of the Interior's Standards for Rehabilitation & Illustrated Guidelines on Sustainability for Rehabilitating Historic Buildings • Energy Savers, US Department of Energy • National Trust for Historic Preservation's Preservation Green Lab • National Trust for Historic Preservation's "Repair or Replace Old Win- dows: A Visual Look at the Impacts" • National Trust for Historic Preservation's "Energy Advice for Owners Historic and Older Homes" SUSTAINABILITY STANDARDS 1. Proof of an Energy Audit from the City of San Marcos' Conservation Co- ordinator is recommended prior to undertaking the following techniques. The least visible improvements shall be undertaken first. The more visi- ble improvements should only be considered once the least visible im- provements have been completed. 2. Desired locations of solar panels shall be: pole mounted (not visible above fence line), rear roof slopes and rear portion of side (secondary) roof slopes, alleyways, and the least visible portion of non - historic acces- sory structures. 3. Solar panels located on front roof slopes or primary roof slopes shall only be permitted provided that they increase energy production by more than io %. 4. Solar panels shall conform to the slope of the roof. 5. Solar panels shall not extend above the ridge line of the roof. 6. Shutters shall be operational (hinged) and fit the opening. 7. Shutters on paired or ribbon windows are prohibited. 8. Vinyl and metal shutters are prohibited. 9. Storm doors and windows shall not damage or conceal significant features and shall fit the opening. io. Screen doors and widows should be made of wood and shall not damage or conceal significant features and shall fit the opening. ii. Metal screens or storm doors and windows shall have a factory painted finish or shall be painted to match the window frame or sash.