Repairs to the Exterior Building Envelope

The necessary repairs to the exterior building envelope of the Galena Public Library District are: 1. Front (east side) of building a. Patch front limestone step treads and risers using approved limestone patching compound; on front steps, remove existing and install new expansion joint compound with bond breaker at rear of caulk joints. Color to match existing. b. Replace parget section on two front buttresses with new limestone to match original panels. c. Remove existing damaged mortar joints removing no material from existing limestone blocks and tuck point limestone field with Type O mortar to match original. Sample mortar submittal required for approval. d. On existing limestone coping, corbelling, and water table remove existing caulk and mortar joins and install new expansion joint compound with bond breaker at rear of caulk joints. Color sample submittal required for approval. e. Remove and salvage existing steel handrail at concrete steps at front of building. Repair concrete as necessary to reinstall steel handrail. Reinstall steel handrail. 2. Rear (west side) of building a. Remove damaged mortar joints and tuck point limestone field. b. Remove caulk and mortar joints and install new expansion joint compound at limestone coping, corbelling, and water table. c. Repair damaged limestone corner near elevator addition using new or salvaged limestone to match existing. Mortar color to match other new masonry repairs. d. Repair two limestone chimneys. Removing and resetting exterior limestone blocks as necessary. Remove and replace all damaged mortar joints as necessary. Removing no material from existing limestone blocks. All tuck pointing to be executed with Type O mortar to match original. Sample mortal submittal required for approval. 3. North and south sides of building a. Remove existing damaged mortar joints and tuck point limestone field Type O mortar to match original. Sample mortar submittal required for approval. b. On existing limestone coping, corbelling, and water table remove existing caulk and mortar joins and install new expansion joint compound with bond breaker at rear of caulk joints. Color sample submittal required for approval. c. Repair door threshold at storeroom door d. Power wash organic material from stone and infill around drains in sidewalk (on north side only). Any cleaners or chemicals to be submitted for approval prior to execution of work.

Division 03 -	Concrete, Concrete Forming, Cast-in-Place Concrete.
Division 04 -	Masonry, Unit Masonry, Concrete Form Masonry Units.
Division 05 -	Metals, Structural Metal Framing.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry, Finish Carpentry, Millwork, Architectural Woodwork.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Insulation, Roof and Deck Insulation, Weather Barriers.
Division 08 -	Openings, Doors and Frames, Entrances, Storefronts, and Curtain Walls, Windows.
Division 09 -	Finishes, Plaster and Gypsum Board, Tiling, Acoustical Ceilings, Resilient Flooring, Carpeting, Acoustic Treatment, Painting.
Division 10 -	Specialties, Visual Display Units, Markerboards, Tackboards, Signage, Compartments and Cubicles, Toilet Compartments, Fire Protection Specialties, Fire Protection Cabinets, Fire Extinguishers, Flagpoles.
Division 11 -	Equipment, Library Equipment, Library Stack Systems, Audio-Visual Equipment.
Division 12 -	Furnishings, Window Treatments, Casework, Countertops, Rugs and Mats, Furniture, Institutional Furniture, Library Furniture, Book Shelves, Study Carrels, Index Card File Cabinets, Portable Audience Seating, Seat and Table Assemblies.
Division 13 -	Special Construction.
Division 21 -	Fire Suppression, Water-Based Fire-Suppression Systems.
Division 22 -	Plumbing, Plumbing Piping, Facility Water Distribution, Plumbing Equipment, Plumbing Fixtures, Drinking Fountains and Water Coolers, Drinking Fountains.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.
Division 26 -	Electrical, Medium-Voltage Electrical Distribution, Lighting, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Audio-Video Communications.
Division 28 -	Electronic Safety and Security, Intrusion Detection, Fire Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Soil Treatment.
Division 32 -	Exterior Improvements, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways, Paving Specialties, Parking Bumpers, Pavement Markings, Fences and Gates.
Division 33 -	Utilities, Water Utilities, Sanitary Sewerage Utilities, Storm Drainage Utilities.