Standard for Fire Safety in Rapid Transit Systems - Singapore Civil ...

Encased aluminium alloy stanchions and beams
(Mass per metre not less than 16 kg)
A. SOLID PROTECTION *
APPENDIX C - continued
PART VI : STRUCTURAL ALUMINIUM
Construction and materials
Minimum thickness
(in mm) of protection
for a fire resistance of
4
hours
2
hours
1. Sprayed vermiculite-cement - - 44
B. HOLLOW PROTECTION +
1. Metal lathing with vermiculite-gypsum or perlite-gypsum plaster of thickness of - 32 16
2. Metal lathing finished with neat gypsum plaster of thickness of - - 19
3. Gypsum plasterboard 19 mm thick with 1.6 mm wire binding at 100 mm pitch
finished with gypsum-vermiculite plaster of thickness of
* Solid protection means a casing which is bedded close to the alloy without intervening cavities and with all
joints in that casing made full and solid.
+ Hollow protection means that there is a void between the protective material and the alloy. All hollow
protection to columns shall be effectively sealed at each floor level.
PART VII : REINFORCED CONCRETE FLOORS (DENSE CONCRETE)
Description 4
hours
Standard for Fire Safety in Rapid Transit Systems C-9
-
22
1
hour
10
Minimum dimension
to give fire resistance
in
2
hours
1
hour
mm mm mm
Solid floor slab, ribbed floor slab, hollow core slab to comply with SS CP 65 Part 2 - - -