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Sprinkler Protection of Non- Storage Occupancies with High Ceiling Clearance 20 May, 2014 Peter Thomas.

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Presentation on theme: "Sprinkler Protection of Non- Storage Occupancies with High Ceiling Clearance 20 May, 2014 Peter Thomas."— Presentation transcript:

1 Sprinkler Protection of Non- Storage Occupancies with High Ceiling Clearance 20 May, 2014 Peter Thomas

2 Background Architectural designs create real fire protection challenges to fire engineers. “The Taller” seems to be “The Better” Sprinkler performance and effectiveness in buildings with high roofs and non- storage occupancies such as atria, convention centers, casinos, auditoriums, theaters, exposition halls and others, is not well understood.

3 Introduction – Current Situation Convention Center Ceiling Height of 18 m What is sprinkler protection based on current installation standards?

4 Introduction – Current Situation EN (OH 4) 5.0 mm/min 360 sq m NFPA 13 (OH 2) 8.1 mm/min 139 sq m 6.1 mm/min 372 sq m FMDS 3-26 (HC 3) 20.0 mm/min 280 sq m China GB (OH 1) 6.0 mm/min 160 sq m Australia AS (High Hazard- Process) 12 mm/min 360 sq m Singapore CP52 Not Allowed

5 Test Summary from FM Test 1Test 2Test 3Test 4Exploratory Test 5 EC 25 Commodity (as per NFPA) Class II Group A Plastic Fuel Height Ceiling Deflector Arrangement8X8,solid, 2 tiers 2X8, solid, 1 tier density12 mm/min6 mm/min12 mm/min18 mm/min. K-factorK115, RTI 140K 80, RTI 140K115, RTI 140K 160, RTI 28K 360, RTI 28 Spacing3.0 X X 6.1 ConclusionPassed 15 heads operating Skipping Adequate Passed 17 heads operating Skipping Adequate Failed 26 heads operating Skipping Passed 16 heads operating Skipping Adequate 1 head operating No skipping Needs further research

6 Test Plan

7 Test Fuel and Fuel Array Arrangement

8 Sprinkler System

9 Full Scale Fire Test 1 Fuel Arrangement: Group A Plastics Ceiling height: 12 m Fuel Height: 1.63 m Clearance to ceiling: 10.4 m Arrangement of fuel package: 8 by 2, solid pile Ignition Location: Under 1 sprinkler Density: 15 mm/min Sprinklers: K115, RTI 105 (m-s) 1/2 Standard Response, Pendent Spacing: 3.0 m x 3.0 m

10 Full Scale Fire Test 1

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13 Full Scale Fire Test 2 Fuel Arrangement: Group A Plastics Ceiling Height: 16 m Fuel Height: 1.63 / 1.13 m Clearance to ceiling: 14.4 m Arrangement of fuel package: 8 by 2, solid pile Ignition Location: Under 1 sprinkler Density: 20 mm/min Sprinklers: K115, RTI 35 (m-s) 1/2 Quick Response, Pendent Spacing: 3.0 m x 3.0 m

14 Full Scale Fire Test 2

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17 Full Scale Fire Test 3 Fuel Arrangement: Group A Plastics Ceiling Height: 16 m Fuel Height: 1.63 / 1.13 m Clearance to ceiling: 14.4 m Arrangement of fuel package: 8 by 2, solid pile Ignition Location: Under 1 sprinkler Density: 23 mm/min Sprinklers: K161, RTI 138 (m-s) 1/2 Standard Response, Pendent Spacing: 3.0 m x 3.0 m

18 Full Scale Fire Test 3

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20 Full Scale Fire Test 4 Fuel Arrangement: Group A Plastics Ceiling Height: 18 m Fuel Height: 1.63 m Clearance to ceiling: 16.4 m Arrangement of Fuel Package: 6 by 2, solid pile Ignition Location: Under 1 sprinkler Density: 40 mm/min Sprinklers: K363, RTI 130 (m-s) 1/2 Standard Response, Pendent Spacing: 3.0 m x 3.0 m

21 Full Scale Fire Test 4

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23 Full Scale Fire Test 5 Fuel Arrangement: Group A Plastics Ceiling Height: 18 m Fuel Height: 1.63 Clearance to Ceiling: 16.4 m Arrangement of Fuel package: 6 by 2, solid pile Ignition Location: Between 4 sprinklers Density: 40 mm/min Sprinklers: K363, RTI 130 (m-s) 1/2 Standard Response, Pendent Spacing: 3.0 m x 3.0 m

24 Full Scale Fire Test 5

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26 Test Summary Effectiveness of sprinkler to control depends on delivered density Under 12 m ceiling, K 115 sprinkler at 15 mm/min. did not control the fire. Under 16 m ceiling, K115 sprinkler at 20mm/min. did not control the fire. A K160 sprinkler marginally controlled the fire at 23 mm/min. Under 18 m ceiling, K363 sprinkler at 40 mm/min. generates significantly larger drops and effectively controlled the fire.

27 Conclusion EN (OH 4) 5.0 mm/min 360 sq m NFPA 13 (OH 2) 8.1 mm/min 139 sq m 6.1 mm/min 372 sq m FMDS 3-26 (HC 3) 20.0 mm/min 280 sq m China GB (OH 1) 6.0 mm/min 160 sq m Change – 40 mm/min 160 sq m with K360 sprinklers Australia (AS ) (High Hazard- Process) 12 mm/min 360 sq m Singapore CP52 Not Allowed over 13 m Proposed change - 12 mm/min 360 sq m with K160 sprinklers


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