design development code analysis partition types
TRANSCRIPT
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Design DevelopmentCode analysisPartition types
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Identify the relevant codes
Local building code Local accessibility code (or ADA) Local fire code (or the NFPA) Mechanical, electrical and
plumbing codes Local Zoning Bylaws
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780 CMR, The MA Building Code Look at the table of contents Chapter
4: SPECIAL USE AND OCCUPANCY Chapter 6: TYPES OF CONSTRUCTION Chapter 8: INTERIOR FINISHES Chapter 9: FIRE PROTECTION SYSTEMS Chapter 10: MEANS OF EGRESS Chapter 11: ACCESSIBILITY Chapter 12: INTERIOR ENVIRONMENT Chapter 13: ENERGY CONSERVATION Chapter 34 REPAIR… AND CHANGE OF
USE OF EXISTING STRUCTURES
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Building Code Analysis1. Gather general building data
(construction Type, Use Group, etc.)2. Calculate occupancy load based on
Specific Use 1. Plan with shaded areas2. Chart with calculations
3. Analyze egress system 1. Calculate capacity of corridors, doors, and
stairs2. Life Safety Diagram (Max. length of egress
travel, separation of exits, fire rated partitions)
3. Compartmentalization diagram
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Step 1: Gather general data
What is the “Use Group” of the building (Museum) and this project (A3)?
What is the building “Construction Type” (IIIB - unprotected)?
Will project be sprinklered throughout (yes)?
What are partition and floor ratings?
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General Data Example
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Miscellaneous definitions
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Step 2: Calculate occupancy Use chart in code for Specific Occupancy
Areas (fig.1004.1) to assign rooms Use Color Scheme for Occupancy – plan
will color in Sometimes need to adjust for circulation
(subtract 35% from total), actual use Chart in Revit is APPROXIMATE, but OK for us For real life, study exact areas
Place Occupant load in chart to calculate
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Occupancy plan
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Use a key for specific uses
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Other information can be shown
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OCCUPANCY ANALYSIS
LEVEL 2
LEVEL 1
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Use spreadsheet:
For detailed analysis, add line for each
room; for THIS
project, just use total from
Revit, adjusted for circulation
Results for egress
components
Check codes!
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Life Safety DiagramMaximum length of
egress travel: 120’ (250’ allowed)
Actual separation of exits: 149’ (102’ min.
allowed – 1/3 diagonal)
2-hour partition
1-hour partition
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LEVEL 2
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COMPARTMENTALIZATION DIAGRAM
PREVIOUS CIRCULATION DIAGRAMS
FROM FRONT
FROM BACK
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521 CMR, the MA Accessibility code Look at the table of contents:
our building type is….
Section 25: Entrances Section 26: Doors and doorways Section 27: Stairs Section 28: Elevators Section 29: Floor surfaces Section 30: Public toilet rooms Section 32: Kitchens Section 34: Storage
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Interior Partition Construction
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Interior Partitions
Common structural materials:• Steel studs (commercial)• Wood studs (residential)• Concrete masonry units (CMU)• Poured in place concrete
Common facing materials:• Gypsum board• Plaster• Glass-reinforced gypsum (GRG)
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Steel Studs
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Steel Studs
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Steel Stud Chase
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Steel Studs
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Wood Studs
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Wood Studs
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Wood Studs
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CMU with Chase and Steel Stud Partition
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CMU with Metal Hat Channel Furring
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Poured in Place Concretewith Metal at Channel Furring
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Common Partition Facing Materials
• Gypsum board
• Plaster
• Glass-reinforced gypsum (GRG)
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Gypsum Board
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Plaster
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Plaster
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GRG(Glass-Reinforced Gypsum)
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GRG(Glass-Reinforced Gypsum)
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Partition Types: choose/create each one
• Show floor and ceiling condition in section• Indicate all materials with lines/hatching and notes• Typical options for different interior partition types:
– Wood vs. metal– 1-hour fire rated vs. 2-hour fire rated vs. non-rated– Dry vs. wet location– High impact resistance vs. standard– Degree of acoustical isolation– Finish systems
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Metal non-rated walls
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Rated construction
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Shaft Walls
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What about sound?
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Sound isolating wall construction