Sustainability and steel construction quiz

Sustainability and steel construction

In single storey buildings, which element of the building is responsible for the greatest proportion of the overall embodied carbon footprint of the building?

Foundations and ground floor slab
Bearing structure
Walls
Roof

Based on the Target Zero studies, what ‘energy demand’ is responsible for the greatest proportion of regulated operational carbon emissions in new, non-domestic buildings?

Heating
Cooling
Lighting
Hot water

New, non-domestic buildings in the UK will need to be ‘zero carbon’ in operation by?

2013
2016
2019
2050

In the Green Guide to Specification (4th ed) which of the following commercial and industrial upper floor specifications has the highest rating?

Power floated in-situ reinforced concrete floor slab
Power floated post-tensioned in-situ reinforced concrete floor slab
Power floated in-situ reinforced concrete slab on ‘deep’ profiled metal decking
Power floated in-situ reinforced concrete slab on ‘shallow’ profiled metal decking

What is the combined reuse and recycling rate for UK structural steel sections?

69%
79%
89%
99%

Which phase of the building life cycle is currently responsible for the greatest proportion of carbon emissions?

Design
Construction
In-use
Demolition

When assessing the environmental impact of buildings or construction products, what scope of assessment should be used to obtain the most accurate results?

Cradle to gate
Cradle to grave
Cradle to gate with options
It makes no difference

Which of the following common construction materials is NOT 'downcycled' when recovered from demolished buildings?

Timber
Brick
Steel
Concrete

Under BREEAM 2011, what overall score is required to achieve an ‘Excellent’ rating?

45%
55%
70%
85%

Of these following common construction materials, which has the best end-of-life recycling credentials?

Concrete
Steel
Timber
They are all the same