Sustainability and steel construction quiz

Please answer the following 10 multiple choice questions, then click 'submit' to check the result. The pass mark for a CPD certificate is 8 out of 10, and you may retake the quiz as many times as you wish, but the questions will vary! Please note that one, two, three or all of the possible answers presented for each question may be right, and to gain a mark all correct answers must be identified.

Good luck

Sustainability and steel construction

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

Concrete
Steel
Timber
They are all the same

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 2050 UK national reduction target (relative to 1990) for greenhouse gas emissions?

80%
60%
40%
25%

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

Design
Construction
In-use
Demolition

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

45%
55%
70%
85%

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

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

69%
79%
89%
99%

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

Timber
Brick
Steel
Concrete

Which of these are sustainability credentials of structural steel?

High structural efficiency
Offsite construction
Low waste
Infinitely recyclable

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

2013
2016
2019
2050