Presidio Chapel Historic Structure Report - Presidio Trust

HISTORIC STRUCTURE REPORTFINALGENERAL RECOMMENDATIONS SUMMARYThis section of the HSR evaluates the building conditions to formulate andprovide recommendations for the care and treatment of the building. Generalrecommendations are provided to guide the design approach to rehabilitation.Recommendations for the treatment of common materials and buildingsystems are also provided. This section will provide recommended rehabilitationtreatments to be considered and further studied during the design process. Itwill also serve as a guide to standard practice for future maintenance, repair andreplacement of historic materials as it is defined by the Secretary of the Interior’sStandards for the Treatment of Historic Properties, Standards for Rehabilitation.Exterior (See Existing Conditions drawings for locations)Terra Cotta Ornament: Priority Low• Gently clean and repoint as needed• Provide new grout and/or sealant at all junctures where terra cotta meetsexterior stucco• Install low-profile drip edge over door transomStucco: Priority Medium• Repair all areas of spalling and delamination (see drawings). Clean andrepaint existing stucco.Gutters and Flashing: Priority High• Re-use existing gutters and downspouts where appropriate.• Replace all attachments and hangars with a proper attachment system ofcompatible material.• Tie downspouts to drain system routed away from building.• Install new gutters and downspouts to control water infiltration, particularlyat the chancelClay Tile Roofing: Priority High• Remove existing roof tile. Label, stack, and reinstall according to rooforientation, following the installation of new sheathing, flashing, and vaporbarrier. Inspect condition of decking and rafters, replacing rotten elements,as needed.Bell Tower and Chimney Roofing (built-up roof system): Priority High• Inspect existing roofing and patch or replace as needed.• Install new caulking compound and flashing.Wood Windows: Priority High• Repair/replace bottom sills and sash rails as needed.• Seal window frames.• Restore to operability, refinish.• Refinish existing hardware.• Encourage operability to allow for natural ventilation.Stained Glass Windows: Priority High• Windows need to be releaded, grouted, and cleaned.Concrete: Priority High• A qualified structural engineer should access the viability of the concreteand the condition of the rebar.Drainage: Priority High• Install a French drain system along the perimeter of the structure to ensurepositive drainage away from the building.Porches and Stairs: Priority Low• Repair and repoint entry stairs.• Install code compliant ramp and handrails.• Clean cheek walls.• Remove awning at the main (north) entry.30MARCH 2012