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

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4.1.1 SCOPE 4.1.1.1 SECTION 4.1 ELECTRICAL SYSTEM FOR RAPID TRANSIT SYSTEMS The scope of this part of the Standard covers the requirements for electrical power supply in the rapid transit systems. 4.1.2 INSTALLATION 4.1.2.1 The installation, control and distribution of wiring of electrical equipment in buildings shall be in accordance with SS CP 5 Code of Practice for Wiring of Electrical Equipment of Buildings and SS 551 Code of Practice for Earthing. However, the cables used in the stations and trainways shall comply with the requirements stipulated in Cl.2.1.4 of this Standard. 4.1.3 PRIMARY AND SECONDARY SUPPLIES 4.1.3.1 Where any of the following installations are required by this Standard or other Codes/Regulations, its primary and secondary source of power supplies shall comply with the corresponding Code of Practice stated therein: a) Where electrical passenger or goods lift or fire lift is required, SS 550; b) Where electrical fire Alarm is required, SS CP 10; c) Where exit and emergency lighting is required, SS 575; d) Where an emergency voice communication system is required, SS 546; e) Where a wet rising main is required, SS 574; f) Where an automatic sprinkler system is required, SS CP 52; and g) Where mechanical ventilation system is required, SS 553. Scope Installation Primary and secondary supplies Standard for Fire Safety in Rapid Transit Systems 161
4.1.3.2 Not withstanding the above, dual feeder power supply are deemed to have been provided with primary and secondary source of power supplies. For the purposes of this Standard, the primary feeder (primary supply) shall be the normal power supply while the secondary feeder (secondary supply) shall be the emergency power supply. (See diagram 4.1.3.2). 4.1.3.3 The following systems shall be provided with a secondary source of supply: (a) Mechanical ventilation system for room housing fire pumps; (b) Mechanical ventilation system for smoke-stop / fire fighting lobbies; (c) Underplatform exhaust where required to operate during a fire emergency; (d) Emergency ventilation system of underground or enclosed trainway; (e) Emergency lighting of underground or enclosed trainway; and (f) Exit signs of underground or enclosed trainway. 4.1.3.4 Where emergency generators are provided as a secondary source of supply, they shall comply with SS 535 Code of Practice for Installation, Operation, Maintenance, Performance and Constructional Requirements of Mains Failure Standby Generating Systems. 4.1.3.5 Uninterruptible power supply (UPS) consisting of centralised batteries can be considered as a secondary source of power supply. Dual electric feeder Secondary source of supply Emergency generators Uninterruptible power supply Standard for Fire Safety in Rapid Transit Systems 162
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Standard for Fire Safety in Rapid T
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2.3.13 Restriction of Spread of fla
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SECTION 3.2 - OCC and RTS Facility
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1.1.4 ABBREVIATIONS The abbreviatio
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2.1.2.5 Area of Refuge (a) In the s
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2.1.2.16 A space enclosed by elemen
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2.1.2.27 A means of egress from the
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2.1.2.45 The height of station or (
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2.1.2.64 An enclosed space that is
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2.1.3 STATION OCCUPANCY 2.1.3.1 The
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CODE Table 2.1.3 APPROVED TRADES AN
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SECTION 2.2 STATION MEANS OF ESCAPE
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2.2.3 MEANS OF ESCAPE FROM PLATFORM
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2.2.3.9 Gate-type emergency exits s
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2.2.4.7 The maximum travel distance
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(iii) Permanently fixed ventilation
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(h) 850mm for doors and gates, and
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300 mm (iii) The sign shall be loca
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(d) Exit ramps shall be straight wi
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(d) Ventilation 2.2.5.12 ESCALATORS
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(ii) All exit access doors which op
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2.2.5.14 FARE COLLECTION GATES AND
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2.2.5.19 Photo luminescent marking
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Diagram 2.2.4.4 - Means of escape f
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Diagram 2.2.5.13(e) - Exit doors sh
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Diagram 2.2.5.16(a)(v) - Remoteness
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SECTION 2.3 STATION STRUCTURAL FIRE
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2.3.1 GENERAL SECTION 2.3 STATION S
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(c) Commercial spaces shall be comp
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(h) Coldroom Where the enclosure to
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(b) Any reference to height means t
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2.3.5 EXTERNAL WALL 2.3.5.1 Externa
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2.3.6.2 A separating wall shall hav
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(b) Have the appropriate fire resis
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2.3.8.8 A protected shaft which con
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(ii) Drywall shall have the requisi
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2.3.9.3 Pipes (a) Pipes which pass
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2.3.10.3 Doors opening into the exi
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(h) All sides shall be properly sea
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(v) Intumescent mastics. The method
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(e) Cl.2.3.8.2(c), 2.3.8.4, 2.3.8.7
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Table 2.3.2A SIZE LIMITATION OF STA
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Table 2.3.9A MAXIMUM NOMINAL INTERN
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Diagram 2.3.3.1(c) - Fire resistanc
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2.4.1 GENERAL SECTION 2.4 SITE PLAN
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ii) For stations not exceeding the
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2.4.4 PRIVATE FIRE HYDRANT 2.4.4.1
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(c) Where there are more than one p
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Diagram 2.4.2.4(b)(vi) U-Turn Radii
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Diagram 2.4.4.1(b) - Provision of P
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S2.5.3 Fire protection systems to c
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2.5.2.5 Portable fire extinguishers
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2.5.3.5 The dry mains’ breeching
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2.5.5.2 The fire alarm system shall
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2.5.6 SPRINKLER INSTALLATION 2.5.6.
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2.5.7 LIFTS 2.5.7.1 Lifts (includin
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SECTION 2.6 STATION SMOKE CONTROL A
Page 115 and 116: 2.6.1 GENERAL SECTION 2.6 STATION S
Page 117 and 118: (e) Where the supply air duct servi
Page 119 and 120: (c) The smoke purging system design
Page 121 and 122: 2.6.5.2 The design shall encompass
Page 123 and 124: Diagram 2.6.1.4(a) - Fresh/exhaust
Page 125 and 126: S2.7.2 Provisions for adequate and
Page 127 and 128: (b) Notwithstanding the requirement
Page 129 and 130: (g) Exit signs in metal enclosures
Page 131 and 132: 2.7.2.10 PA systems for stations wi
Page 133 and 134: (c) Supply air shall be drawn direc
Page 135 and 136: 2.8.1 GENERAL SECTION 2.8 INTEGRATI
Page 137 and 138: 2.8.4.2 Where a station has an unde
Page 139 and 140: SECTION 2.9 UNDERGROUND OR ENCLOSED
Page 141 and 142: S2.9.10 Provisions for ventilation
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Page 145 and 146: 2.9.3.5 The emergency lighting shal
Page 147 and 148: 2.9.6.3 An engineering analysis is
Page 149 and 150: 2.9.8 MOTORISED TROLLEY 2.9.8.1 Mot
Page 151 and 152: Diagram 2.9.4.2 - Numbering and lab
Page 153 and 154: ROOT OBJECTIVES SECTION 2.10 ABOVEG
Page 155 and 156: 2.10.3 EMERGENCY ACCESS 2.10.3.1 Em
Page 157 and 158: PART III - RTS DEPOT AND RELATED FA
Page 159 and 160: (g) The maximum travel distance for
Page 161 and 162: Diagram 3.1.1(d) - Element of Struc
Page 163 and 164: For RTS Facility Buildings S3.2.5 P
Page 165: PART IV - ELECTRICAL SYSTEM FOR RAP
Page 169 and 170: APPENDIX A OCCUPANT LOAD CALCULATIO
Page 171 and 172: A.2.3 For a single service centre p
Page 173 and 174: A.3.3 For a multi-service centre pl
Page 175 and 176: 1 2 3 4 5 APPENDIX A, TABLE A : SIN
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Page 179 and 180: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Page 181 and 182: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Page 183 and 184: Number of People APPENDIX A, FIGURE
Page 185 and 186: B.1 GENERAL APPENDIX B EXITING ANAL
Page 187 and 188: any enclosing structure for Escape
Page 189 and 190: TEST #2 FOR ESCAPE ROUTE 2 TOTAL WA
Page 191 and 192: A. Masonry construction - continued
Page 193 and 194: APPENDIX C - continued PART II : RE
Page 195 and 196: 1. Dense concrete: APPENDIX C - con
Page 197 and 198: APPENDIX C - continued PART V : STR
Page 199 and 200: APPENDIX C - continued PART VIII :
Page 201 and 202: Width of enclosing rectangle in met
Page 211 and 212: APPENDIX E ACCESSWAY E.1 In general
Page 213 and 214: APPENDIX F STANDBY FIRE HOSE FOR RI
Page 215 and 216: G.1 General APPENDIX G TENABLE ENVI
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where: tIconv = time in minutes T =
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APPENDIX H NOTES ON THE USE OF INTU
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APPENDIX J FIRE SAFETY REQUIREMENTS
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J.5.3 In the event of fire emergenc
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