6.3 Suspended Ceiling Design Process - Bilkent University

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4.2.2 Team-based DSM...................................................................... 51 4.2.3 Activity-based DSM.................................................................... 53 4.2.4 Parameter-based DSM .............................................................. 55 4.2.5 Variations on the Basic DSM Method ........................................ 59 4.2.6 DSM Applications in the Construction Industry .......................... 63 4.3 DSM Tools ....................................................................................... 66 4.3.1 Standalone Programs ................................................................ 66 4.3.2 Web-based Tools....................................................................... 67 5. PARAMETER-BASED DSM FOR BUILDING DESIGN ........................ 69 5.1 Underlying Paradigms...................................................................... 69 5.1.1 Design Methods Research Tradition.......................................... 69 5.1.2 Lean Design............................................................................... 71 5.2 Expected Benefits............................................................................ 72 5.2.1 Process Improvement................................................................ 73 5.2.1.1 Iteration Management.......................................................... 73 5.2.1.2 Common Understanding of a Process ................................. 77 5.2.1.3 Concurrent Engineering ....................................................... 79 5.2.2 Process Integration.................................................................... 80 5.2.3 Other Information Processing Applications ................................ 83 5.3 A Knowledge Management Framework for Parameter-based DSM 84 5.3.1 Assumptions and Scope of the Proposed Model ....................... 86 5.3.2 The Need for Explicit Definition of Parameters and Industry Foundation Classes ............................................................................ 87 5.3.3 Classification of Parameters ...................................................... 91 viii
5.3.3.1 Classification According to Building Parts............................ 93 5.3.3.2 Classification According to Parent Activities ........................ 95 5.3.3.3 Classification According to Information Ownership.............. 96 5.3.3.4 Classification According to Information Content................... 96 5.3.4 Dealing with Large DSM Models.............................................. 101 5.3.5 Complementary Use of IDEF0 and DSM ................................. 103 5.3.6 Implications for Implementation Using Information Technology105 6. CASE STUDY 1: SUSPENDED CEILING DESIGN............................ 109 6.1 Introduction to the Case Studies.................................................... 109 6.2 Suspended Ceiling System Architecture........................................ 113 6.3 Suspended Ceiling Design Process............................................... 116 6.4 Analyzing Suspended Ceiling Design Process with DSM .............. 119 6.4.1 Research Setting ..................................................................... 119 6.4.2 The Project .............................................................................. 120 6.4.3 Objectives of the Analysis........................................................ 124 6.4.4 The Procedure ......................................................................... 125 6.4.4.1 The Design Configuration .................................................. 126 6.4.4.2 Data Collection................................................................... 126 6.4.4.3 The IDEF0 Models ............................................................. 128 6.4.4.4 The Information Database ................................................. 135 6.4.4.5 Production of the Matrix and Analyses............................... 137 6.5 Results and Discussion.................................................................. 144 6.5.1 Observations on Suspended Ceiling System Interface Design 144 6.5.2 Observations on Suspended Ceiling Assembly Design ........... 147 ix
Page 1 and 2: REPRESENTING INFORMATION FLOW IN BU
Page 3 and 4: ABSTRACT REPRESENTING INFORMATION F
Page 5 and 6: ACKNOWLEDGEMENTS Foremost, I would
Page 7: 2.2.3.4 Types of Information Models
Page 11 and 12: 8.3 Suggestions for Further Researc
Page 13 and 14: LIST OF FIGURES Figure 1.1: A Gener
Page 15 and 16: Figure 6.13: Initial Parameter-base
Page 17 and 18: in many building projects. This is
Page 19 and 20: process modeling method for buildin
Page 21 and 22: educational approaches, studies of
Page 23 and 24: 2. COLLABORATIVE DESIGN RESEARCH IN
Page 25 and 26: graphical interface to the Internet
Page 27 and 28: member are not agreed to by other m
Page 29 and 30: There is also considerable interest
Page 31 and 32: models are interdependent and they
Page 33 and 34: 5. Incomplete, uncertain, and untim
Page 35 and 36: 2.2.3.3 Advantages of the Informati
Page 37 and 38: process development effort is highl
Page 39 and 40: emerge at the early 1970s, moved aw
Page 41 and 42: the GDCPP. From the point of view o
Page 43 and 44: 3.2.1 Network Models Network models
Page 45 and 46: interpreted as resources. The idea
Page 47 and 48: (1999) applied these concepts to a
Page 49 and 50: Input Figure 3.5: A Generic IDEF0 D
Page 51 and 52: world with an independent existence
Page 53 and 54: Figure 3.7: A Generic UML Activity
Page 55 and 56: side indicating the scheduled start
Page 57 and 58: 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
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5.3.1 Assumptions and Scope of the
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In order to develop the IFC specifi
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object must support a variety of AE
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Figure 5.6: Four different Views of
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countries which have a classificati
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process integration. Therefore, in
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technical terms. Furthermore, some
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the DSM and to denote the performan
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ased DSM. Since such DSMs are low-l
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modeling of information management
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Architect Design Engineers User Int
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Figure 5.12: A Workflow Proposal fo
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study, which analyzes elevator desi
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parameters were defined according t
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plenum, hangers, and wall angles. T
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suspension system. Fittings support
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constraints to the integrated syste
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leaded by a chief engineer. Design
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P8 P8 P8 P8 P8 P8 P8 P8 180 90 180
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Infrastructure design: 2 people At
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6.4.4.1 The Design Configuration Th
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parameter relationships. However, o
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Study Feasibility A1 Select Suspend
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Figure 6.7: An IDEF0 Model of Suspe
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Figure 6.9: An IDEF0 Model of Suspe
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Figure 6.10: An Example System Desc
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Performance Requirements System Lev
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Performance Requirements System Lev
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Thermal Performance Lighting Perfor
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6.5 Results and Discussion 6.5.1 Ob
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plenum. Several different schemes m
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6.5.3 A Comparison between the Asse
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performance requirements drive desi
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finding supports the comments made
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applied by an electric driving mach
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surfaces. One rail is installed on
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Elevator design process begins with
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Having decided the car, hoistway, a
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4. It is assumed that there is no n
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2. Occasionally, different design p
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Figure 7.2: The Context Diagram of
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Figure 7.4: An IDEF0 Model of Eleva
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Figure 7.6: An IDEF0 Model of Detai
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System Level Parameters Analyze Ele
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Building Type Building Style Tenanc
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time, round trip time, and number o
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there are large cycles. This sugges
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such formulas than suspended ceilin
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Furthermore, it was observed in the
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3. In order to deal with large DSMs
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observed in the case studies includ
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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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