From Craft Production to Manufacturing – Landmark Panelized Homes
Transcription
From Craft Production to Manufacturing – Landmark Panelized Homes
From Craft Production to Manufacturing – Landmark Panelized Homes Vision To be a North American housing solutions provider recognized for sustainability and for leading a revolution in housing industrialization. Landmark Group of Builders is one of Alberta’s largest integrated residential builders. It operates five home developing divisions in Calgary, Edmonton and Red Deer. Landmark Building Solutions is the manufacturing division of the Landmark Group of Builders. Wood-Frame House Construction - Past 1937 1877 1876 1969 Wood-Frame House Construction - Today 2014 2014 2014 Wood-Frame House Construction - Today The construction of a “Typical” 2000Sq.Ft Single Family Home: o 120 material deliveries o 310 trade field trips o 15 tonnes of GHG emissions from field transportation o 8,000 lb (50 cubic yard) construction wastes Wood-Frame House Construction - Impacts A “Typical” 2000-Sq.Ft Single Family Home built to today’s industry standard (Alberta): o 138 GJ Natural Gas o 9,600 kWh Electricity o 15.7 tonnes of GHG emissions per year How do we do things better? o Reduce transportation o Reduce wastes o Reduce construction time o Make house more energy efficient 22 years ago … 9 years ago … Marked Lumber Compo nents Walls Frame Assembly & Boarding Panel Saw OBS Board Floor Assembly Deck Work Table Roof Assembly Deck Roof Beams Material Flow Lumber (Stud) Marking Cut Lumber Cutting Tools Table Completed Wall Penal Lumber Lumber Office Table Saw 600 Sq.Ft facility 18 employees 3 Trailers No shop drawing 4 - 5 duplexes/month Arm Saw o o o o o Roof Trusses 8 years ago … o o o o o 600 Sq.Ft facility 32 employees 4 Trailers Framing layout drawing 10 - 12 houses/month 6 years ago … o o o o 20,000 Sq.Ft facility 70 factory employees 8 – 10 Field Crews Wall framing layout and floor shop drawings o 45 - 50 houses/month 3 years ago … o 80,000 Sq.Ft facility o 190 employees o Building Information Modelling (BIM) enabled automation o 60 - 70 houses/month Wall Production Floor Production Spray Foam Insulation, Windows, and Siding Stair Case, Roof and Deck/Verandah Less Wastes, Much Less Faster, Safer, Cleaner Friday March 13 and Monday March 16, 2014 If … A “Typical” 2000-Sq.Ft Single Family Home is built in the factory, it will: If 50% of new homes in Alberta are factory-built o Reduce 125 kilotonne GHG emissions per year o Reduce 34,000,000 lb of construction wastes per year o Reduce 10 tonne of GHG emissions directly from the construction process. If 20% of new homes in Alberta o Reduce 1,200 lb in wood and 1,500 lb in are NetZero Homes drywall wastes o Adding GHG emission o Reduce 12 – 15 tonne of GHG emissions per reduction potential by 1,500 year when it is build to NetZero Standard kilotonne annually On average 25,000 new housing starts per year in Alberta (not include apartments) 110,000 new housing starts per year in Canada (not include apartments) 25% towards The End