From View Calculation to Fabrication A Manhattan Residential Project
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- Terence Rogers
- 5 years ago
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1 From View Calculation to Fabrication A Manhattan Residential Project Robert Yori Jr. & Sebastian Claussnitzer // Skidmore, Owings & Merrill LLP, New York
2 The Associated General Contractors of America (AGC) is a Registered Provider with The American Institute of Architects Continuing Education Systems. Credit earned on completion of this program will be reported to CES Records for AIA members. Certificates of Completion are available on request. This program is registered with the AIA/CES for continuing professional education. As such it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.
3 Copyright This presentation and the materials provided are protected by U.S. and International copyright laws. Reproduction, distribution, display and use of the presentation or materials without written permission is prohibited. AGC of America, 2012
4 Course Description This presentation will focus on the successful utilization of VDC Deliverables in the design process of a 55 story high-end residential building in Manhattan. The main design concept was derived from extensive view analysis with the objective to maximize views, thus to maximize the condo and rental value. The architectural response to the view analysis is a sculptural freeformed tower corresponding to views. This presentation will allow for attendees to understand owner-derived priorities, recognize flexibility of a VDC work-flow, and identify value brought to projects through use of VDC solutions.
5 Learning Objectives At the end of this presentation, attendees will be able to: Attendees will be able to understand owner-derived priorities. Attendees will be able to recognize flexibility of a VDC workflow. Attendees will be able to identify value brought to the project through the use of VDC solutions.
6 A Manhattan Residential Project View Calculator Unit Packer Master Model
7 Challenge Maximize revenue by offering optimal views to New York City landmarks. Solution A custom-developed view calculator suggested building shapes featuring the desired views.
8 Location East River Central Park Empire State
9 View Calculator Central Park East River Distance Views
10 View Calculator
11 View Calculator
12 View Calculator
13 View Calculator
14 View Calculator
15 View Calculator
16 View Calculator
17 View Calculator
18 View Calculator
19 View Calculator
20 View Calculator
21 View Calculator
22 Design Exploration
23 Design Exploration
24 Design Exploration
25 Design Exploration
26 Challenge Unit Packer Maximize revenue through optimal combination of unit types and sizes. Solution Unit Packer provided most efficient arrangement of unit types based on client s knowledge of unit type needs and profit margins.
27 Design Objectives
28 Unit Packer Step 1: Extract view values to spreadsheet
29 Unit Packer Step 3: Map values to floor plate perimeter
30 Unit Packer Step 4: Repeat until Desired Unit Mix is met. = 52 = 102 = 51
31 Summary Collaborative design process Client: view, unit, market values Architect: computational evaluation, form making Time- and cost-efficient deep analysis View values Multiple layout options Building envelope Better Decision Making
32 Design Concept Curve gradually transitions responding to views Balcony depth increases with distance views
33 Challenge Sculptural form Coordinate unique conditions efficiently Solution Scripted Master Model
34 Elements Maintained In Model (Project Specific) Face of curtain wall Floor-to-floor height Façade grid Balconies Face of fins varies varies
35 VDC DELIVERABLE VDC DELIVERABLE INTERNAL TEAM Workflow DOCUMENT SET DESIGN INTENT MASTER MODEL GEOMETRY DOCUMENT CONSULTANTS A) CAD FILES B) SURFACE MODEL C) POINT CLOUD TACIT EXPLICIT
36 Link Different Tools Numeric Objects FORM VARIABLES MASTER MODEL Exchange Module DOCUMENT SET Floor-tofloor height Parametric Geometry Model Scripted Design Intention CAD/BIM Spreadsheet
37 Value Single source of design intent Process of transforming ideas: tacit explicit Tight control for irregular shapes Adds flexibility, efficiency to design process = Time savings = Minimizes rework effort = Allows for more iterations
38 Example 1/4: Height Changes
39 Example 1/4: Height Changes Minimized Rework Efforts floor-to-floor height Change value Rerun Script DOCUMENT SET
40 Example 2/4: Maintaining Alternatives Maximum Flexibility Façade Alternatives A B C Double Ridge Smooth Stepped
41 Example 3/4: Optimized POINT CLOUD Tight Control / Tight Deadlines
42 Example 4/4: Fine-tuning Constraints Better Decisions # of curved panels COST EFFICIENCY MASTER MODEL ZONING BALANCED SOLUTION Maximize gross area FABRICATION CONSTRAINTS Avoid small radii
43 VDC Deliverables = Value Collaborative Design Process Time- and cost-efficient deep analysis Single Source of Design Intent, explicitly shared Extended design/ improvement cycle Reduced need for manual rework
44 Thank you for your time. A Manhattan Residential Project Robert.Yori@som.com /// Sebastian.Claussnitzer@som.com