6.3 Suspended Ceiling Design Process - Bilkent University

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Table 3.1: An Overview of the RIBA Plan of Work (Adapted from Nelson et. al., 1999) Pre-design A►B Design ►C►D►E Preparing to build ►F►G►H Construction ►J►K►L Post-Construction ►M Stage A: Inception Stage B: Feasibility Stage C: Outline Proposals Stage D: Scheme Design Stage E: Detail Design Stage F: Production Info 25 Stage G: Bills of Quantities Stage H: Tender Action Stage J: Project Planning Stage K: Operations on Site Stage L: Completion Stage M: Feedback 3.1.3 The Generic Design and Construction Process Protocol The Generic Design and Construction Process Protocol (GDCPP) developed at the University of Salford is a high level map defining the process in terms of activity zones. The zones contain high-level processes spanning the duration of a project from inception to operation and maintenance. The process protocol also consists of deliverables in a form of documented project information such as stakeholder list, brief, etc. and logical dependencies between activities which are shown by interconnecting arrows. The GDCCP breaks down the design and construction processes into eight activity zones namely, development, project, resource, design, production, facilities, health and safety, and process management, four broad stages –pre-project, pre-construction, construction, and post- construction–, and ten phases. The stage/gate approach to process management practiced in manufacturing industry was used to develop
the GDCPP. From the point of view of decision making during the process, there are so-called soft gates and hard gates. Soft gates imply that decisions may be approved conditionally afterwards. On the other hand, hard gates indicate final and firm decision points whether or not to proceed to the next phase of the process. This is because late design changes often cause substantial additional costs in construction projects (Wu et al., 1998). All GDCPP process maps are publicized at a Web site hosted by the University of Salford (University of Salford, 2003). Figure 3.2: A View from GDCPP Process Map (University of Salford, 2003) Recently, the GDCPP ─in combination with Unified Modeling Language (UML) diagramming─ has constituted the base of process modeling approach proposed in EU ICCI cluster project IST-2001-33022 (Wix and Katranuschkov, 2002). Although these generic models provide a good overview of the design process, they are often too abstract to be utilized in practice. Thus, they 26
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 and 8: 2.2.3.4 Types of Information Models
Page 9 and 10: 5.3.3.1 Classification According to
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: emerge at the early 1970s, moved aw
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
Page 59 and 60: need to be made. No optimal method
Page 61 and 62: aim is to move the above diagonal m
Page 63 and 64: is built, it can serve as a platfor
Page 65 and 66: 4.2.1 Component-based DSM System en
Page 67 and 68: epresenting them as connections bet
Page 69 and 70: Kusiak, 1996). While the DSM can be
Page 71 and 72: since high-level processes sometime
Page 73 and 74: (a) (b) Figure 4.6: A Parameter-bas
Page 75 and 76: 2. Importance ratings: A scale can
Page 77 and 78: Besides adding extra attributes to
Page 79 and 80: versions of the model a binary info
Page 81 and 82: problem without the framework model
Page 83 and 84: select a task for decomposition and
Page 85 and 86: developed such as interaction chart
Page 87 and 88: contracts. In current practice for
Page 89 and 90: 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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