The questions are based around the guidance of Volume 2 of Approved Document B (ADB) 2019 edition, BS9999, BS7974 and the relevant Published Documents that support BS7974. You can utilise these documents to answer the questions set.
Important notes:
• Utilize the correct and most up to date versions of guidance, documents and standards.
• When utilizing guidance documents/standards you must appropriately reference all clauses, tables etc. utilized and show all calculations/working out performed.
• Where word counts for questions are stated you must not exceed these limits.
• It is recommended to use figures to help with answering essay questions (these do not count towards word count).
Q1 (Total 25 marks).
A company is planning to build a four story office building. The ceiling height will be 4m and the premises will be provided with a comprehensive fire alarm and fire detection system (Category L3).
Q1(a).
What are the maximum travel distances recommended for a single direction of escape and more than one direction of escape in the following documents:
• ADB. (2 marks)
• BS9999. (4 marks)
Q1(b).
According to ADB and BS9999, how many people could be accommodated by:
• An 800mm wide exit. (2 marks)
• A 1500mm wide exit. (2 marks)
Q1(c).
In 300 words or less, briefly discuss the differences between the results obtained from the two different documents. You should discuss how the approaches adopted by the two documents impact on travel distances and exit width in general for this type of premises. You should also state which approach you would recommend following to the company explaining your reasons for your choice. (15 marks)
