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 for that question all correct answers must be identified.

Good luck

Sustainability and steel construction

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

69%
79%
89%
99%

What are the estimated annual arisings from construction, demolition and excavation activities in the UK?

40 million tonnes
80 million tonnes
120 million tonnes
150 million tonnes

Which of these are sustainability credentials of structural steel?

High structural efficiency
Offsite construction
Low waste
Infinitely recyclable

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%

In buildings designed to take advantage of thermal mass, what is the optimum depth of concrete upper floor slabs?

50mm
90mm
150mm
200mm

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

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

Design
Construction
In-use
Demolition

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

In England and Wales, which Approved Document is applicable to the operational energy/carbon performance new build, non-domestic buildings?

Approved Document L1A
Approved Document L1B
Approved Document L2A
Approved Document L2B