VERTICAL ESCAPE

Using the pages below you will be able to do a calculation for stair width requirements for Simultaneous Evacuation as detailed in Approved Document B

• Maximum number of persons for number of floors served using stair of given width.
• Maximum number of persons served by a stair of given width and height.
• Width of stair needed for maximum number of persons for number of floors served.

OCCUPANCY LOAD FACTORS

Calculations for Exit Capacity as described in the
"Guide to Fire Precautions in Existing Places of Entertainment and Like Places"

EXTINGUISHER CALCULATION

Calculate the number of extinguishers for a given areas using the calculation given in BS 5306 : Part 3 : 1985.

More Calculations Here

Note: All calculations contained on the FireNet pages are for information only. Although every effort has been made to obtain accurate results no responsibility for the use of these figures outside of this website can be accepted.