Performance-based design for building fire safety ... - Nexus-idrim.net

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Quantitative Analysis★The sub-systems are as follows:– Sub-system 1:❯ initiation and development of fire within enclosure of origin (PD7974-1)– Sub-system 2:❯ spread of smoke and toxic gases within and beyond enclosure oforigin (PD 7974-2)– Sub-system 3:❯ structural response and fire spread beyond enclosure of origin(PD 7974-3)– Sub-system 4:❯ detection and activation of fire protection systems (PD 7974-4)– Sub-system 5:❯ fire service intervention (PD 7974-5)– Sub-system 6:❯ evacuation (PD 7974-6)IDRiM'09 26
SS1: Initiation and development of fire within theenclosure of origin (see PD 7974-1)★ SS1– provides guidance on evaluating fire growthand/or size within the enclosure taking intoaccount the four main stages of firedevelopment:❯ pre-flashover (including early growth anddevelopment);❯ flashover;❯ fully developed fire (where all the fuel isburning);❯ decay.IDRiM'09 27
Page 1 and 2: The 9 th IIASA-DPRI FORUM on Integr
Page 3 and 4: Introductionti★★★In Hong Kong
Page 5 and 6: The prescriptive codes, basically o
Page 7 and 8: Introductionti★In the code of pra
Page 9 and 10: Introductionti★ Under the prescri
Page 11 and 12: PNAP 204 Guide to Fire EngineeringA
Page 13 and 14: SFPE Engineering Guide toPerformanc
Page 15 and 16: Process Flowchart (SFPE)Defining Pr
Page 17 and 18: BS 7974Application of fire safety e
Page 19 and 20: Procedure for undertaking the QDR
Page 21 and 22: Components of Step 5: Identificatio
Page 23 and 24: Components of Step 6 : Establish fi
Page 25: Quantitative Analysis★ To simplif
Page 29 and 30: SS1: Design fires★★Following id
Page 31 and 32: Pre-flashover design fires★ t 2 f
Page 33 and 34: SS1: outputSub-system 1Heat release
Page 35 and 36: SS2: analysis ofsmoke andtoxic gase
Page 37 and 38: SS3: Structural responseseand fire
Page 39 and 40: SS3: Structural responseand fire sp
Page 41 and 42: SS4: Detection of fire and activati
Page 43 and 44: SS5: Fire service intervention (see
Page 45 and 46: Time line approachIDRiM'09 45
Page 47 and 48: TimeAvailable safe egress time (ASE
Page 49 and 50: ★★★★Based on above formula,
Page 51 and 52: ★ Physical conditions, occupant d
Page 53 and 54: Example4.6 m16.21 m73.51m1.78mIDRiM
Page 55 and 56: Evacuation profileNo. of people pas
Page 57 and 58: Untenable conditions★★★The un
Page 59 and 60: Simulation layoutMonitoring point(t
Page 61 and 62: Smoke spread at 80 secondIDRiM'09 6
Page 63 and 64: Temperature distribution near the f
Page 65 and 66: Temperature profile at different ti
Page 67 and 68: CO concentration ti profileCarbon M
Page 69 and 70: Other examples69
Page 71 and 72: moviestaircaseFire size = 2MW192 x
Page 73 and 74: Conclusion★★Fire engineering ap

Performance-based design for building fire safety ... - Nexus-idrim.net

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