innovation in sprinkler protection - fg...fg-sprinklerkonferansen 2019 - innovation in sprinkler...

FG-Sprinklerkonferansen 2019 - Innovation in Sprinkler Protection

Innovation in Sprinkler Protection

Guy Watson Director of Technical Services EMENA – Reliable Sprinkler

Agenda:

• LPC Qualified Sprinkler Designer

• Insurance Sprinkler System Surveyor

• Graduate Member Institute of Fire Engineers

• Certificate Member Institute of Risk Engineers

• Global Insurance Risk Engineer

• BAFSA Technical Committee

• EFSN Technical Committee

• Technical Director – Reliable

About Your Presenter…

Why Innovate?

An Unrivaled Legacy - Based on Trust…1880 Factory Mutual specify sprinklers in mills

1883 Stock Insurance discounts sprinklered risks

1886 New England Insurance Exchange special committee meets to prescribe performance requirements & approve devices

1887 Mutual Fire Insurance Corporation of Manchester create first sprinkler rules

1888 Insurance rates of $0.30 per $100 of risk drop to $0.05 per $100 if sprinklered

1897 First edition of NFPA13

A Proud History of Innovation…

• 1921 – Glass Bulbs

• 1925 – Grooved Couplings

• 1950 – Spray Pattern Sprinklers

• 1956 – Pre-Action Systems

• 1972 – Full Hydraulic Calculations

• 1976 – Domestic & Residential Sprinklers

• 1979 – Large Drop Sprinklers

• 1984 – CPVC Pipe & Fittings

• 1987 – EC & ESFR Sprinklers

• 2012 – Large Orifice in-Rack Schemes

Innovative Manufacturing – Improving Reliability…

• Strength Tests: Tensile, Water Hammer &

Endurance

• High Temp Exposure: 800 degree C. then

“quench”

• Low Temp: Freezing

• Moist Ammonia Vapor Exposure: stress

fractures?

• Sensitivity: Response Time Index (RTI)

• Corrosion Tests: Salt spray, sulfur dioxide

& hydrogen sulfide

• Impingement / Lodgment

• Spray Pattern

• Spray Endurance

• Actual Delivered Density

• Crib Testing

• Full Scale Fire Testing

Innovation:Is It Always Progress?..

New Innovation? - Questions We Should Ask:

Innovate

Don’t

Innovate• Is there a problem here?

• Who benefits?

• Who says it works?

• Technical Support?

• Failure Modes?

Not Innovating? – Questions We Should Ask:

Don’t

Innovate

• Are we aware of the latest research?

• Will existing still work with new hazard / risk?

• Are we sure existing reliability is superior?

• Can we still accept current failure modes?

• Will we become more vulnerable?

Evaluating Innovations:

• What problem does it solve?

• Is it better than an existing solution?

• Who says it will work?

What Problem Does it Solve? Is it better than an existing solution?

Who says it works?

Logistics Industry increasingly favouring Larger & Higher warehouses

Depends who you ask

UL & FM

Example One - ESFR:

• Proven by Testing• Preferred by End-Users• Water Supply Enhancements

What Problem Does it Solve? Is it better than an existing solution?

Who says it works?

Logistics Industry increasingly favouring Larger & Higher warehouses

Depends who you ask

UL & FM

Example Two – Extended Coverage:

What Problem Does it Solve?

Is it better than an existing solution?

Who says it works?

Reduces Labour Costs Depends who you ask UL & FM & SBF

• Quick Response

• Commonly used for the protection of hotelbedrooms. Overcomes the need forsprinklers and exposed pipework in thecentre of the room

• 1974 - Testing standards for EC sprinklers were proposed by Underwriters Laboratories

• 1987 EC confirmed in NFPA13 as suitable for Ordinary Hazard

• 1994 EC Sprinklers approved by Factory Mutual

• 2009 CEA 4001EC may be used in LH and OH1 hazards

• 2016 SBF120:8 EC Sprinklers used for Light or Ordinary Hazard according to NFPA classification

= = = ==5.0mm/Min/m2

5.0mm/Min/m2

Same Amount of Water – Just With Less Heads

StandardCoverage

ExtendedCoverage

= ‘Wasted’ Water

Area protected by Standard

Sprinkler

Area protected by Extended Coverage Corridor Sprinkler

Sprinkler

• 39 sprinklers per wing

• x3 wings per floor = 117 sprinklers per floor

• X20 floors = 2340 sprinklers total

Why Use EC Sprinklers?

• 39 sprinklers per wing

• x3 wings per floor = 117 sprinklers per floor

• X20 floors = 2340 sprinklers total

30% FewerSprinklers!

heat release fires)

FHC Flow / Pressure:

• K-factor: 80

• Spacing 3.0m x 4.0m 12.0m2

• Min. Residue Press: 0.78 bar

• Min. Flow per Sprinkler: 70.6 l/min

• Assumed Minimum Area of Operation: 139m2

• Actual Area of Operation (18.0m x 8.0m) 144m2

• 1.2 x √Area Operation 14.4 (OK)

• Theoretical Minimum Flow 847.9 l/min over 139m2

• Number of Sprinklers Operating: 12

• FHC System Pressure: 3.02 bar

• FHC System Flow: 1002 l/min (ok)

l/min @

3.02 bar

Standard Response

• K-factor: 160

• Spacing 5.5m x 5.5m 30.25m2

• Actual Area of Operation (16.5m x 5.5m) 151.25m2

heat release fires)

992 l/min

@ 3.06

Extended Coverage

• K-factor: 160

• Spacing 5.5m x 5.5m 30.25m2

• Actual Area of Operation (16.5m x 5.5m) 151.25m2

heat release fires)

992 l/min

@ 3.06

Extended Coverage

• Only 1 LPM & 0.05 Bar Difference in demand

• Similar Mains Sizes• 60% Fewer Sprinklers• Less Clashes

Saving money with Extended Coverage sprinklers

Clause 14.2.1 – indicates that EC can be used in OH

EC Sprinklers used in OH1 should be UL-listed for Light or Ordinary Hazard according to NFPA's classification

SBF 120:8

Who says it works?

Reduces Labour Costs Depends who you ask UL & FM & SBF

• Proven by Testing• Quicker Installation• Less Cost / More Profit

Example Three – Large Orifice In-Rack:

Who says it works?

Reduces Cost Yes FM & NFPA

Traditional In-Rack:

K80 or K115

Old FM 8-9

New FM 8-9

Traditional In-Rack

Performance Verified by Independent Testing:

New FM 8-9

K320 K360

Example Three – N252EC In-Rack:

Who says it works?

Provides more optionsSaves water

Yes FM & NFPA

100mm clearance above commodity

50mm deflector distance below beam

Spray Pattern @ 2.07bar

1200mm

aisle width

The Challenge…

Option One

6.1m/9.1m

18.3m/27.3m

12.2m/18.2m

24.4m/36.4m

Option Two…

NFPA13 Section 25.8.3.

Factory Mutual Datasheet 8-9 Section 2.3.6.8

Example Three – Large Orifice In-Rack:

Who says it works?

Reduces Cost Yes FM & NFPA

Who says it works?

Provides more optionsSaves water

Yes FM & NFPA

Example Four – Tunnel Nozzles:What Problem Does it Solve? Is it better than an

existing solution?Who says it works?

Tunnel fires cause huge disruption to citizens and business as well as loss of life

Yes UL

Example Four – Tunnel Nozzles:What Problem Does it Solve? Is it better than an

existing solution?Who says it works?

Tunnel fires cause huge disruption to citizens and business as well as loss of life

Yes UL

• Proven by Testing• Automatically Controls Fires• Deluge Valves Can Be

Remotely Reset

Example Five – Electronic Accelerators:

Who says it works?

Allows for larger Dry Installations

Yes UL & FM

Anatomy of a Mechanical Accelerator…

Picture Courtesy of Potter

• Constantly Monitors for a sudden drop in air pressure

• Battery back-up

• Simple maintenance

• Better performance and reliability than mechanical accelerators

Anatomy of an Electronic Accelerator…

Example Five – Electronic Accelerators:

Who says it works?

Allows for larger Dry Installations

Yes UL & FM

• Up to 4x Faster• More Reliable• Less Complicated

Example Six – Nitrogen Systems

Who says it works?

• Virtually Eliminates Corrosion

• Reduces Ice Plugs

Yes NFPA 13

Photo courtesy of FM Global

Nitrogen Bottles

Nitrogen

Generator

- Membrane

Nitrogen Generator

- Pressure Swing

Adsorbsion

New – C100 – 24mm/Min

5yrs – C? – <24mm/Min

8yrs – C? – <<24mm/Min

15yrs – C? – ???mm/Min

Who says it works?

• Virtually Eliminates Corrosion

• Reduces Ice Plugs

Yes NFPA 13

• Prolongs System Life• Reduces Impairments• Saves Money• Maximises System Performance

If You Don’t Innovate, Others Will…

• Over 1.05 million cubic meters • 35m high x 144m long racking• 117,000 pallet storage spaces• -23o C Temperature Controlled• Over US $100 million to build• Growing Market

Model D Guards:Saves Time & Money on Installation

OXY-REDUCT

“Sprinkler system or firefighters - neither one is quick enough…”

“In densely packed warehouses, the extinguishing water can get ‘lost’ amid the racks…”

“Fire in the home is a real problem.

Today’s fire sprinkler systems are not designed for domestic use…”

PERCEPTION

REALITY

Some Reasons Given Not to Innovate…

• Existing technology has proven to be effective

• We are already successful doing what we do

• If it’s not broke don’t fix it

• Innovation requires investment = £££

• Why risk our legacy?

1888 Founded, Pioneered Easy

Film Processing

1970 – 1989 85% Market Share For

Cameras / 90% For Film

Film Processing

1990 - 2002 Rise of Digital Cameras

Ignored

Film Processing

Ignored

2003 - 2008 Film Exceeded by Digital

Film Processing

Ignored

2009 Stopped Making Film

Film Processing

Ignored

2012 Bankrupt

Film Processing

First Widely Used Alarm Valve

Large Drop & ESFR Sprinklers

Ignored

Flexible Sprinkler Hoses

2003 - 2008 Film Exceeded by Digital Electronic Accelerators

2009 Stopped Making Film Vertical & Horizontal Barriers

2012 Bankrupt Large Orifice In-Rack

Film Processing Kodak

Invented

The Digital

Camera in

Ignored

2012 Bankrupt

Innovation:

Evaluatembrace

Thankyou…

innovation in sprinkler protection - fg...fg-sprinklerkonferansen 2019 - innovation in sprinkler...

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