Singapore Fire Safety Engineering Guidelines 2015_1.pdf

Evacuation models a hand calculations usually adopt

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Evacuation Models (a) Hand calculations usually adopt the equations given in the Emergency Movement Chapter of the Society of Fire Protection Engineers (SFPE) Handbook [14] to calculate mass flow evacuation from any height of building. The occupants are assumed to be standing at the doorway to the stair on each floor as soon as the evacuation begins. The calculation focuses mainly on points of constriction throughout the building (egress doorways) and calculates the time for the occupants to flow past these points and to the outside. Hand calculations
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39 (b) Validation of models If the proposed software is new or has limited application in Singapore, SCDF may require validation of the software before being allowed for use. The current ways of validating evacuation models are: Validation of models (i) validation against code requirements; (e.g. NFPA 130); (ii) validation against fire drills or other people movement experiments/trials; (iii) validation against literature on past evacuation experiments (flow rates, etc); (iv) validation against other models and third party validation. 4.6 The list of approved evacuation softwares are : Simulation of Transient Evacuation and Pedestrian Movements (STEPS) Pathfinder Simulex Exodus Approved evacuation softwares
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40 CHAPTER 5 5.0 MARKED UP DRAWINGS Fire safety provisions that form part of the performance based design strategy should be highlighted on the respective architectural or Building Plan (BP) and/or Mechanical and Electrical (M&E) plans that are submitted to SCDF for approval. This is to facilitate the audit and documentation of the performance based strategy by SCDF. These fire safety provisions to be included in the plan submissions fall into these broad categories: 5.1 BP submission The following information to be included in this category include (but not limited to) Architectural items in BP submissions (a) Table/summary of architectural alternative solutions. (b) Area/floor(s) under the performance based study to be indicated (via clouding or other means) (c) Mark out non-compliances (eg: length the path of extended travel distance/s) (d) Details of occupant loading and egress capacity for all affected floors. (e) Fire shutters, smoke curtains/barriers (f) Floor to floor height (g) Compartmentation lines, including fire resistance rating. (h) Natural vent openings and their sizes/areas (m 2 ). (i) Replacement air doors/windows/vents and their sizes/areas (m 2 ). (j) Waivers and consultations applied for and summary of the waiver decision (if any)
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41 5.2 M&E Plan submission The following information to be included this category include (but not limited to) M & E items in the M&E Plan submissions (a) Table/summary of M & E alternative solutions (b) Smoke control system detail (c) Area/floor(s) under the performance based study to be indicated (via clouding or other means) (d) Smoke zones (e) Smoke curtains/barriers (f) Waivers and consultations applied for and summary of the waiver decision (if any) 5.3 The mark ups for M&E plan can be further broken down to the following : Breakdown of M&E Plan (a)
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