space allocation optimization - esri...space allocation optimization • background • past &...
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Space Allocation Optimization
• Background• Past & Current Developments• Planned Efforts• Web Interface Movie
ESRI Fed User Conference Feb.09
NASA LaRC GIS TEAM
William (Brad) Ball
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Background
20 Acres(East)
780 Acres(West)
LAFB - LaRC
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• Grid of all floor plans• Single layer for each feature
Floor Plans in GIS
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Mapping Floor Mapping Floor Plan DataPlan DataIntegrates Integrates Interior Bldg. Interior Bldg. DetailsDetails
Roof exampleRoof example
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Building and Room level data
Room level details
Zoom dependant
or Hyperlinked
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Analysis for Space Utilization
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Goals, SU Optimization• Integrated planning system
– Schedule allocation of space based on org. and project requirements
– Enhance synergy by co-locating within/between related organizations
– Comply with space guidelines/requirements
– Plan for changes due to new construction, demolition, rehab, lease
– Minimize moves
– Save money
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Optimization Techniques• Large Search Space
– Exhaustive Search not possible
– Constraints and Metrics
– Find the best local optima in a limited amount of time
4000 4000
10 14,400
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Spatial Subdivision Diagram
AbstractFor variousquantities
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Bldg.Area
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All Rooms
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Offices
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ByOrg.
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AllPersonnel
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TECHNICAL SPACE UTILIZATION
OWNERSHIPOrganizational control (current)
Electronics Lab
USAGEFunctionality (current)
LEGACY – AREAS ARE IDENTIFIED AS BEING A CERTAIN TYPE BASED ON:
FAMILIARITY – Status QuoResist change
EQUIPPED (currently) –over time equipment added solidifies the perception of singular use
Laboratories: Chemical Lab, Laser Lab, Biological Lab, …
Tech Areas: Control Room, Computer Operations, …
Shops: Maintenance, Grounds, Automotive, Fabrication, …
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TECHNICAL SPACE OPTIMIZATION
BUT IN TODAYS LEAN ECONOMIC TIMES –BETTER CATEGORIZED ACCORDING TO THE UNIQUE FEATURES THE SPACE PROVIDES.
Drop Ceiling w/lights
HVACFume Hood Ventilation
Network Access120V AC (floor Access)
BECOMES A SET OF DESCRIPTORS FOR A PARTICULAR TYPE OF TECHNICAL SPACE.
Fume HoodLow Pressure Air
Shower/Eye WashSink
FILTERED FOR PREDOMINANT FEATURES
COST AVERAGED TO ACCOMMODATE VARYING OPERATIONAL CONDITIONS (WITHIN NORMAL RANGE OF FACILITY USE).
Wall Fan (RS Means # 15830-100)-8300 (4800 CFM) @ $550.00 ea.-8310 (7000 CFM) @ $600.00 ea.-8320 (10000 CFM) @ $670.00 ea.-8330 (16000 CFM) @ $835.00 ea.average = $664.00 ea.
Chemical Lab # 1, # 2, # 3, …
…, # 99, # 100
CHEMICAL LABS SHALL CONSIST OF:
• Fume Hood
• Sink
• Shower/Eye Wash
• Low Pressure Air
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TECHNICAL SPACE OPTIMIZATION
EXPRESSED IN EQUATION FORM WHERE ROOM
SPECIFICS ARE VARIABLES.
Max horizontal distance in a room = 0.5LFApprox. room length = LF+ (SQRT((LF(LF) – 16SF)/4))Approx. room width = LF - (SQRT((LF(LF) -16SF)/4))
Exhaust CFM min. = SF/5RECTANGULAR & NEAR RECTANGULAR SHAPED ROOMS
EXCLUDING HEAT LOAD CALCULATIONS
EXAMPLES:
STEP 3Determine installation and removal costs for each unique feature.
Provides rough estimate of costs
(new construction verses resource modification)
STEP 2Determine unique features that are true descriptors.
Provides unbiased room identification
(greater insight into resource capabilities)
STEP 1Identify unique features of technical spaces
(an integral part of that space)
Generates a complete listing of technical features
(for particular federal facility?)
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WebDashboard
Constraints
Metrics
XML / XQuery interfaceContext sensitiveDrag-drop customization
Rest, Ajax, DojoSpin-offs…
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Initial Visualization (Spatial Diagram & Floorplan Rendering)
Initial Optimization (Modeling, Early Search Techniques)
Real Optimization (Model and Search Improvements)
Data Processing (Liberate Developers, Faster Turnaround)
Web Display (Share plans)
Web Planning (Drag and Drop, Offline Setup)
Web Optimization(Basic Strategies)
Advanced Web Opt(Strategies, Mixed Auto/Man)
Goal-driven PlanningBuilding Closure (Model, Optimization)
Comprehensive Technical (Model, Opt)
Integrated SchedulingCore Optimization– Modeling– Search
Data Processing– XQuery– XML I/O
Visualization– Spatial Diagram– Point, Color,
Labeling
User Interface– Javascript / Dojo– Ajax
Services– Optimization– Visualization & Map
We are here
Developers / Users
Developer Operated
User Operated
Key
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For additional info.
Brad [email protected]
(757) 864-7297
Outside website:http://gis.larc.nasa.gov/
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Backup Bldg Details
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Current Space Allocation• Organizations Split Across Floors• Inefficient Use of Space
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Early Random/Greedy Solution
• Good Intra-Organizational Synergy • Efficient Use Of Space• Packing may be too tight