Industrializing the Building Construction Process Dr. Mohamed Al-Hussein 1 A Real Solution Residential Construction Material Waste Minimization (by volume) EMISSIONS ANALYSIS: ON-SITE CONSTRUCTION CO2 EMISSION 23% 4 CO2 Emissions from Transportation and Crew Trips Tasks Duration (hr) Material TripsCrew TripsCO2 (kg) Load Drywall215t truck 46.4 Drywall Boarding 32 5t picker4 0.5 truck kg of CO2 per kg of manufactured drywall MJ/Kg of manufactured drywall kg CO2/sf of manufactured drywall 3 5 The cost of weather protection & scaffolding Building 4-times Replacing 7-Studnet dorms bungalows With 5- each is 3-story in one summer The challenge is how to assemble on site these 5 3-story each in 10- working days 7 June 15 10 Other level of industrialization & its Application 12 Todays Technical Challenges Drafting For Manufacturing (DFM) Lean Manufacturing BIM Modeling Beyond BIM Supporting Tools 13 Industrialization creates new requirements for design Current Drafting software Does NOT support the manufacturing 14 ALGORITHM ANALYSIS: FRAMEX 3D Model Floor plan 45,000 + lines of Code CUTEX: 2D-OPTIMIZATION SheetsResidual Non-Guillotine cutting Gilmore-Gomory Cutting pattern Possible cuts Cutting pattern vector Waste Guillotine cutting CUTEX: 2D-OPTIMIZATION (CON) Waste : 2.4% Beyond BIM: Lifting Scenario 19 Scenario 1 Kullman Arrangement one a time (1-Building in 2- days) -Background Color one day of operation -Box module number, sequence, Advance-Present -A, B, B1 spots for module lifting -PB1 place building 1 20 What is happening in Europe 21 22