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Reading Structural Drawings. Nicole Baer, P.E. President, Structural Engineering Institute – Maryland Chapter October 2011. Typical Drawing Order. General Information Site/Civil Landscape Architectural Structural Mechanical Electrical Plumbing. Typical Discipline Drawings.
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Reading Structural Drawings Nicole Baer, P.E. President, Structural Engineering Institute – Maryland Chapter October 2011
Typical Drawing Order • General Information • Site/Civil • Landscape • Architectural • Structural • Mechanical • Electrical • Plumbing
Typical Discipline Drawings • General Information • Codes, Symbols, Basis of Design • Plans • Foundation, Floors, Roof • Elevations • Height and Exterior Finish • Sections • Wall Type, Framing Direction • Details • Connections, Typical Conditions • Schedules • Column Type, Beam Types
Which Plan Do I Need? • Architect • Plans through middle, looking down • MEP Engineer • Plans through middle, looking up • Structural Engineer • Plans at floor, looking down
Structural Drawing Symbols • Symbols • Identity Symbols • Moment Connection • Line Symbols • Pinned Connection • Cantilever • Hidden Line Supports Below • Solid Line Supports Above • Material Symbols • Reference Symbols • Text Symbols
Structural Notes and Specifications • General Information • Codes, Symbols, Basis of Design • Design Loads • Live Loads • Dead Loads • Wind Loads • Seismic Loads • Strength of Materials
PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size
PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size
PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size
PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size
PLAN #1 – Foundation Plan • Deep Foundations • Caissons, Piles with Pile Caps, H-Piles, Micro-piles
PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types
PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types STEEL SHAPE: W: Wide Flange (I-Beam) 18: 18” Height 46: 46 plf STEEL JOIST: 20: 20” Height LH: Long Span
PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types T.O.S. = Top Of Steel (Actual) W18 is 5” BELOW REFERENCE No Call Out = At REFERENCE
PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Moment Connection Pin Connection (Same Elevations) Pin Connection (Diff Elevations)
PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Moment Connection
PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Pinned Connection, Same Elevation
PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Pinned Connection, Diff Elevations OR:
PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations
PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations
PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations #5@12 T: 5/8” diameter bars, 12” on center, Top layer 180 Deg Hook Bars
PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations
Typical Details • Repeating Information • Width of Slab “Strips” • Define “Standard” Steel Connections • Slab on Grade Details • Wall Brace Details • Joist to Beam Connections • Define Column Bases • Define Bearing Plates • Column Tie Layouts • Lintel Sizes • Concrete Beam Depth and Flange Defined • Footings with Pier Construction • Interior Column Isolation Joints The List Goes On….
Sections • Project Specific Information • Exterior Wall to Framing • Stairwells and Openings • Exterior Grade
Sections • Project Specific Information • Exterior Wall to Framing • Stairwells and Openings • Exterior Grade
Sections • Project Specific Information • Exterior Wall to Framing • Stairwells and Openings • Exterior Grade
Schedules • Types of Schedules • Column Schedules – Steel, Concrete • Beam Schedules – Concrete, Sometimes Steel • Footing Schedules • Pier Schedules • Shear Wall Schedules • Method of Scheduling, General • Assign a “Mark” (B-1) • Refer to Schedule for Size, Reinforcing, Lengths • Refer to Typical Detail for Definitions
Schedules • Column Schedules • Vertical Extent • Foundation Elevation • Splice Locations
Reading Structural Drawings Questions?