The Colour of Quantities is Green Russ Hynes Principal BIM Consultant
How Green Are Quantities? • What do Quantities drive?
Green Material Quantities • Coordination – Optimised Routes
Green Material Quantities • Coordination – No Rework
Green Material Quantities • Design For Manufacture & Assembly – Offsite only possible with BIM – Factory levels of waste control
Green Material Quantities • Accuracy – Procurement – Tracking – Waste Monitoring
Green Material Quantities • Embodied Carbon
Quantity x Tonnes CO2
Green Material Quantities • Embodied Carbon
2041 kg/year VS 204 kg/year
Green Time Quantities • “Time is at once the most valuable and the most perishable of all our possessions.” – John Randolph • Time is Precious • Waste it Wisely
Green Time Quantities • Menial Tasks Waste Time – Quantity Take-Off – Location Calculations – Repetitive Actions
Green Time Quantities • “Free” Time Can Be Re-Tasked – Design/Performance Optimisation – Material Reduction/Exchange
Green Time Quantities • Location Based Scheduling Method • Lean Construction Techniques
Green Time Quantities • Reduced Time To Construct – Lower Environmental Impact Duration
Green Money • Reduced Costs – More Projects for the same value
Green Money • Lifecycle Costing For 50,000 Hours Use
X 40 No. (1,200Hrs) @ £1.00 each VS X 1 No. (50,000Hrs) @ £6.00 each
Green Money • Operating Costs Per Year
£210 VS £21
Green Money • Running & Purchasing Costs Over 25 Years
£5,490 VS £531
Green Money • Facilities Management Costs Over 25 Years?
Green Money • Only AIMs Give Us This Information
How Green Are Quantities? • BIM Quantities Are Part Of The Green Puzzle