6.3 Suspended Ceiling Design Process - Bilkent University

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6.4.4.5 Production of the Matrix and Analyses Using a Microsoft EXCEL Visual Basic program developed by Qi Dong (1999) and modified by Sait Emre Pektaş, DSMs were produced automatically according to the recorded data. The produced DSMs are of basic binary type in which a number (1) shows the existence of an information flow. It may be thought that numerical DSMs described in Chapter 3 would include more in-depth information. However, Browning (1998) explains that numerical DSMs should be based on initially developed basic DSMs and that attempts toward developing numerical DSMs in the absence of any base binary DSM often result in superficial outputs. Thus, it was expected that binary DSMs would be more appropriate in this dissertation, since there was no available base DSM that could be used. Two DSMs were produced for suspended ceiling design. The system level DSM (Figure 6.12) shows the information flows between the suspended ceiling system and four other systems (HVAC distribution system, structural frame system, lighting system, and floor construction system). The assembly level DSM (Figure 6.13) shows the information flows between the parameters that belong to suspended ceiling parts (main runners and cross tees, panels, plenum, hangers, and wall angles). Partitioning (Figures 6.14 and 6.15) and banding (Figures 6.16 and 6.17) were made to identify couplings and independent (concurrent) parameter decisions in the process. The results of the analyses are presented below. 137
Performance Requirements System Level Parameters HVAC Distribution System Structural Frame System Lighting System Floor Construction System Suspended Ceiling System Thermal Performance Lighting Performance Structural Safety Aesthetics/Appearance Operational/Maintenance Performance Spatial Fit Privacy Services Equipment Maintenance Req. Space Function Floor Area Building Structure Layout Beam Depth Floor Structure Suspended Ceiling Type 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Thermal Performance 1 1 Lighting Performance 2 2 Structural Safety 3 3 Aesthetics/Appearance 4 4 Operational/Maintenance Performance 5 5 Spatial Fit 6 6 Privacy 7 7 Services Equipment Maintenance Req. 8 1 8 1 Space Function 9 1 1 1 1 1 9 Floor Area 10 1 1 10 1 Building Structure Layout 11 1 1 1 11 Beam Depth 12 1 1 12 1 1 Floor Structure 13 1 1 1 13 1 1 1 1 Suspended Ceiling Type 14 1 1 1 1 1 1 14 1 HVAC Distribution Layout 15 1 1 1 1 1 15 1 1 1 1 Air Diffuser Quantity 16 1 1 1 16 1 Air Duct Width and Length 17 1 1 1 1 17 Required Depth for HVAC Equipment 18 1 1 1 18 Required Depth for Lighting Equipment 19 1 19 1 Structural Element Connection Details 20 1 1 20 1 HVAC Equipment and Superstructure Integration Scheme 21 1 1 1 1 1 1 21 1 Plenum Depth 22 1 1 1 1 1 1 1 22 Floor to Ceiling Height 23 1 1 1 1 1 1 1 1 1 23 Suspended Ceiling Structural Grid Layout 24 1 1 1 1 24 Panel Width and Length 25 1 1 25 Panel Edge and Joint Detail 26 1 1 1 1 26 Panel Weight 27 1 1 27 Lighting Fixture Quantity 28 1 1 1 1 28 Lighting Fixture Width and Length 29 1 1 29 Lighting Fixture Layout 30 1 1 1 1 1 1 1 30 1 Lighting Fixture Weight 31 1 31 1 Air Diffuser Layout 32 1 1 1 1 32 Air Diffuser Width and Length 33 1 1 1 33 Air Diffuser Weight 34 1 34 1 Load Test Data 35 1 1 1 1 35 Main Runner and Cross Tee Web Height 36 1 1 1 1 1 1 1 1 36 Main Runner and Cross Tee Face Dimension 37 1 1 1 1 1 1 1 1 37 Maximum Lighting Fixture Weight 38 1 1 1 1 1 38 1 Maximum Air Diffuser Weight 39 1 1 1 1 1 39 1 Main Runner and Cross Tee Weight 40 1 1 1 1 40 Suspended Ceiling Structure-Lighting Fixture Connection Detail 41 1 1 1 1 41 Suspended Ceiling Structure-Air Diffuser Connection Detail 42 1 1 1 1 42 Hanger Spacings 43 1 1 1 1 1 43 HVAC Distribution Layout Air Diffuser Quantity Air Duct Width and Length Required Depth for HVAC Equipment Required Depth for Lighting Equipment Structural Element Connection Details HVAC Equipment and Superstructure Integration Scheme Plenum Depth Floor to Ceiling Height Suspended Ceiling Structural Grid Layout Figure 6.12: Initial Parameter-based DSM of Suspended Ceiling Design at System Level Panel Width and Length Panel Edge and Joint Detail Panel Weight Lighting Fixture Quantity Lighting Fixture Width and Length Lighting Fixture Layout Lighting Fixture Weight Air Diffuser Layout Air Diffuser Width and Length Air Diffuser Weight Load Test Data Main Runner and Cross Tee Web Height Main Runner and Cross Tee Face Dimension Maximum Lighting Fixture Weight Maximum Air Diffuser Weight Main Runner and Cross Tee Weight Suspended Ceiling Structure-Lighting Fixture Connection Detai Suspended Ceiling Structure-Air Diffuser Connection Detail Hanger Spacings
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REPRESENTING INFORMATION FLOW IN BU
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ABSTRACT REPRESENTING INFORMATION F
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ACKNOWLEDGEMENTS Foremost, I would
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2.2.3.4 Types of Information Models
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5.3.3.1 Classification According to
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8.3 Suggestions for Further Researc
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LIST OF FIGURES Figure 1.1: A Gener
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Figure 6.13: Initial Parameter-base
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in many building projects. This is
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process modeling method for buildin
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educational approaches, studies of
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2. COLLABORATIVE DESIGN RESEARCH IN
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graphical interface to the Internet
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member are not agreed to by other m
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There is also considerable interest
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models are interdependent and they
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5. Incomplete, uncertain, and untim
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2.2.3.3 Advantages of the Informati
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process development effort is highl
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emerge at the early 1970s, moved aw
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the GDCPP. From the point of view o
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3.2.1 Network Models Network models
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interpreted as resources. The idea
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(1999) applied these concepts to a
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Input Figure 3.5: A Generic IDEF0 D
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world with an independent existence
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Figure 3.7: A Generic UML Activity
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side indicating the scheduled start
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4. DESIGN STRUCTURE MATRIX METHOD T
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need to be made. No optimal method
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aim is to move the above diagonal m
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is built, it can serve as a platfor
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4.2.1 Component-based DSM System en
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epresenting them as connections bet
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Kusiak, 1996). While the DSM can be
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since high-level processes sometime
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(a) (b) Figure 4.6: A Parameter-bas
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2. Importance ratings: A scale can
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Besides adding extra attributes to
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versions of the model a binary info
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problem without the framework model
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select a task for decomposition and
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developed such as interaction chart
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contracts. In current practice for
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completed. The former is called une
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Browning, 1998) found that addition
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A parameter-based DSM may provide i
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5.2.2 Process Integration The situa
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Figure 5.1: Two Coupled Activities
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Although representing parameter val
Page 101 and 102: 5.3.1 Assumptions and Scope of the
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Page 123 and 124: Figure 5.12: A Workflow Proposal fo
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Page 139 and 140: Infrastructure design: 2 people At
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while an aircraft or ship may have
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developers can use the method to in
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Baldwin, A. N., Austin, S., Hassan,
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Denker, S., Steward, D. and Brownin
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Karhu, V. (2001). A Model based App
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Problematics. (2003). Problematics
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Suh, N. P. (1998). Axiomatic Design
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January 20, 2003, from http://www.c
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A.1 Classification of Building Part
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• Time (aesthetic service life)
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B.1 Suspended Ceiling Design Parame
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Panel Acoustics NRC: Noise Reductio
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B.2 Elevator Design Parameter Defin
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Floor Area: The areas of the floors
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UpPeak Interval: The interval betwe
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C.1 A Computer Program For Building
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Figure 3. Unpartitioned Matrix The
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'fill in matrix titles For counter
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4. Open the sheet “partitioned DS
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End With For i = 1 To n Cells(i + 2
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End If Next j total_row(i) = k 'ass
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6.3 Suspended Ceiling Design Process - Bilkent University

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