civilized solutions, inc
TRANSCRIPT
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CIVILIZED SOLUTIONS, INCCIVILIZED SOLUTIONS, INC
Executive Team MembersSeth Tibbitts: Principal In ChargeBrandon Simms: Project Manager
Ben Frison: Project EngineerMichael Schector: Project Engineer
“Because everyone needs some stability in their lives”
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Overview Overview
Founded in 1996
An engineering design and consulting firm
3400 N. Charles St (Latrobe Hall)
Baltimore, MD 21218
410 – 516 – 1234
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Proposal OutlineProposal Outline
Restoration of the Historic Leigh Street Armory
Construction of the New Office Building
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Armory RestorationArmory Restoration Provide bracing to maintain historic façade Replace structural masonry system with a steel
moment frame load resisting system Install an open web steel joists floor system to support
the concrete floor slab Restore all masonry walls as non-structural elements Replace all doors and windows Install new steel roof truss system to maintain original
building aesthetics while improving structural integrity Comply with Current Code Requirements
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Armory HistoryArmory History
Built in 1895
Served as headquarters for the First Battalion Virginia Volunteers Infantry, Richmond’s first African American regiment
Used as a social center, housing facility, recreation hall, elementary school, junior and high school
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Temporary BracingTemporary Bracing
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Load CasesLoad Cases
Loads• Live loads: office, residential, corridor,
storage• Roof Live Loads: Non-pedestrian roof • Wind Loads• Snow Loads• Seismic Loads
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Foundation Live LoadsFoundation Live Loads
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First Floor Live LoadsFirst Floor Live Loads
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Second Floor Live LoadsSecond Floor Live Loads
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Load CasesLoad Cases
Loads• Live loads: office, residential, corridor,
storage• Roof Live Loads: Non-pedestrian roof • Wind Loads• Snow Loads• Seismic Loads
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Load CasesLoad Cases
Loads• Live loads: office, residential, corridor,
storage• Roof Live Loads: Non-pedestrian roof • Wind Loads• Snow Loads• Seismic Loads
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Wind LoadsWind Loads
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Load CasesLoad Cases
Loads• Live loads: office, residential, corridor,
storage• Roof Live Loads: Non-pedestrian roof • Wind Loads• Snow Loads• Seismic Loads
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Frame DesignFrame Design
Steel Moment Frame– Does not interfere with Building
Function– Reduce member size and longer spans– Reduction in Construction Time
Member Placement
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Member PlacementMember Placement
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Floor Joist System:Floor Joist System:Open Web Steel JoistOpen Web Steel Joist
Long SpansLight Weight SystemLack of Large Concentrated Live
LoadsThinner Concrete Floor Slab
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Roof SystemRoof System
Retained Historic Hip and Gable roof shape
Replaced old wood Hip members with Steel
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Picture of Roof SystemPicture of Roof System
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Renovating the ArmoryRenovating the Armory
Cleaning the façade Managing Efflorescence (phosphoric
acid)Examining Joints and SealantsAttaching lintel sections at each
floor slab for additional lateral support
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Current Code RequirementsCurrent Code Requirements
Structural Fire Safety Accessibility
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New Office BuildingNew Office Building
Construct a 61’x60’ 4-story office building in lot adjacent to Armory
Create exterior façade to complement the Armory
Provide Structural Steel Moment Frame Support System
Install an open web steel joists floor system to support the concrete floor slab
Comply with Code Requirements
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Layout and Load Cases Layout and Load Cases
Layout of New Building
Loads• Live loads: office and corridor• Roof Live Loads: Non-pedestrian roof • Wind Loads• Snow Loads• Seismic Loads
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First FloorFirst Floor
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Second - Fourth FloorSecond - Fourth Floor
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Roof LoadsRoof Loads
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Layout and Load Cases Layout and Load Cases
Layout of New Building
Loads• Live loads: office and corridor• Roof Live Loads: Non-pedestrian roof • Wind Loads• Snow Loads• Seismic Loads
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Wind LoadsWind Loads
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Layout and Load Cases Layout and Load Cases
Layout of New Building
Loads• Live loads: office and corridor• Roof Live Loads: Non-pedestrian roof • Wind Loads• Snow Loads• Seismic Loads
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Frame DesignFrame Design
Steel Moment Frame– Does not interfere with Building
Function– Reduce member size and longer spans– Reduction in Construction Time
Member Placement
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Floor Joist System:Floor Joist System:Open Web Steel JoistOpen Web Steel Joist
Long SpansLight Weight SystemLack of Large Concentrated Live
LoadsThinner Concrete Floor Slab
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Primary Envelope DesignPrimary Envelope Design
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Envelope: Prelim DataEnvelope: Prelim Data
Richmond, Virginia: 43 inch rainfall, 70 percent humidity
Architectural Issues– Parapets– Ornate Brickwork bands– Wooden Windows– Efflorescence issues
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Exterior Cavity Wall System with CMUExterior Cavity Wall System with CMU
Image modified and extracted from www.masonrysystems.org
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Why CMU over Steel Stud System?Why CMU over Steel Stud System?
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System at each FloorSystem at each Floor
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Engineering the Barriers: All in OneEngineering the Barriers: All in One
Thermal: Steel Lintel IssueWater: Warm-In-Winter side, Perm-A-
Barrier
Air: Warm In Winter sideVapor: None.
• Temperate Climate• 8,000 degree-days
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Code RequirementsCode Requirements
Structural Fire Safety Accessibility
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Project TimelineProject Timeline
Investigation ~ 1 weekSchematic Design ~ 1 weekDesign Development ~ 1 weekConstruction Document ~ 3 weeksConstruction Administration ~ 23 months
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Project BudgetProject Budget
Estimated Total Project Cost : $ 5 million
• Armory Restoration ~ $ 2 million
• New Building ~ $ 3 million
• CS, Inc Schematic Design ~ $12,205
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ConclusionConclusion
Efficiency– Our structure uses an intelligent moment frame
design coupled with a smart open webbed joist floor system.
Economical– This will minimize material cost, saving money.
The quick erection time shall reduce capital cost. Elegance
– Our Armory will maintain the authenticity of its historic fortress like appearance, and the New Building shall complement the aesthetic mastery of the Armory.
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Thank You For Your TimeThank You For Your Time
Civilized Solutions, Inc
“Because everyone needs some stability in their lives”
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SpecificationsSpecifications
Mortar: Low Alkali Cement (3/8”) Bed & Head Joint
Expansion Joints: ¾ inch, rubber, located every 20 ft
Veneer Support: Pintel TieRows 16” vertically, 24” spacingzinc coated
Bond Beams: < #8 (US) Steel Lintels: TBD Water Barrier: > 5 perms Perm-a-Barrier
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Plan View of Concrete DetailingPlan View of Concrete Detailing
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Roofing DetailingRoofing Detailing
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Foundation for Cavity WallFoundation for Cavity Wall
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WindowsWindows