Assertion: flight | /r/CapableOf | require by 110mm
Facets:
Source sentences:
text: You can work out the total length by multiplying the number of risers your flight requires by 110mm (this gives you the 220mm Minimum Going size required by Building Regulations)and adding 20mm for the nosing overlap plus the thickness of a riser (Typically 12mm plywood or MDF).