Making sense of regulation and sequencing

URA:
About gross floor area

1. What counts and doesnt count. All area is counted to center of parti wall.
2.Service ducts just like lift to be counted once.
2.Sky Terrace has main excluded area and also an additional one known as "residual area". This has to be <20%, with ST at >60% of floorplate and perimeter opening at 60% for it to be not counted.

BCA:
About accessibility:

1.Corridor width
2.Push Pull of door and wall setback
3.Lift if handicap friendly
4.Handicap toilets comply

FSSD:
About fire

1.Entry of fire engine, extent of access way
2.FCC
3.Fire fighting lift min 2 if >24m
4.Fire fighting lobby+ PWD
5.Staircase
6.Means of escape and occupant load

CBPU: Important to use the latest. current is 2013.
About refuse and toilet

1.Refuse top vent above roof min 2.1m
-Refuse amount based on typology will determine if bin center is needed ( >1000L/day)
-1 bin plus 1 extra needed
2.Toilet given by chart, based on GFA, for female and male
-Ambulant disabled ratio increased. (BCA accessibility 2013; 2 required for 6-10WC)
3.Tap point for cleaners sink
4.Diaper changing station
5.F&B: for a food shop with food stalls, min kitchen 8 sqm, min servery area 5sqm
-when >6 stalls, 1 handwashing basin with soap and towel, n litterbin