Geen cursus voor sprinkler projectering+ hydraulische ... · FM 2-0 / NFPA 13 / EN12845 :...

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Fire sprinkler design

Koen Van HerpeMSc Fire Safety Engineer

VK_Engineering

Design considerations

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Doelstelling

• Stappenplan ontwerp

� Geen cursus voor sprinkler projectering + hydraulische berekeningen

• Checklist inhoud sprinklerdossier

Studiedag 29 04 2015

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Leidraad: ontwerp sprinklerinstallatie

� Bepaal commodity & occupancy

� Bepaal type sprinklerinstallatie

� Nat , droog , preaction (non interlock, single interlock , double interlock) , deluge,…..

� Bepaal de opslagconfiguratie + opslaghoogte(gewenst)

� Bepaal de risicoclassificatie….

� densiteit en sproeivlak of;

� aantal sprinklers met minimale startdruk

� ….en bijhorende begrenzingen m.b.t. de projectering

� Type sprinkler

� Storage / non-storage sprinkler

� Nozzles

Benodigde info / tools

� Duidelijk inzicht proces/ kennis materialen + verpakking

� FM DS 8-1 / NFPA13 Ch.5 / EN12845 Annex

� Testrapporten FM / UL / ….

� Bouwtechnische info : vorstvrij, ..

� Brandgedrag commodity

� Info proces (labo, clean rooms, productie, opslag ,……)

� FM DS 2-0 “Installation guidelines” / NFPA13 / EN12845

� Bouwkundige info:

� Type rekken , afstand tussen rekken, flue space , …

� Gebouwhoogte

� FM 2-0 “Installation guidelines” / FM 8-9 Storage of class 1,2,3,4 & plastic commodities /EN12845 /NFPA13

� Vb : OH III

� densiteit = 5 l/min.m² ; Sproeivlak = 216 m²

� Max.opp / sprinkler = 12 m² + max.afstand = 4 m

� “Cut sheets” = technische datasheets sprinkler”

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Stappenplan ontwerp sprinklerinstallatie

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� Projectering sprinklers + sprinklerleidingen

� Bepalen aantal sprinklerleidingen

� Bepalen aantal sprinklers per leiding

� Bevestiging leidingen : Positie +

dimensionering componenten hangers


� Bouwkundige info : plannen gebouw + doorsnedes

� De structuur van het gebouw , met inachtname van de

bevestigingsmogelijkheden, is veelal bepalend voor de

richting van de sprinklerleidingen.

� FM 2-0 / NFPA 13 / EN12845 : Installation requirement

� Obstruction rules

� Support rules

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� Coördinatie met andere technieken

� Verlichting / HVAC / RWA …..

� Mogelijke obstructies voor sproeibeeld

� Interference checking

� Extra “ leidingsverliezen “

� Controle hydraulische berekeningen


� “Cut sheets” = technische datasheets sprinkler”

� Software tools voor coördinatie

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� Uitvoeren hydraulische berekeningen

� Bepalen sproeivlak

� Vorm + positie


� FM 2-0 / NFPA 13 / EN12845 : Installation requirement

� Hydraulic calculations

� Sprinkler classificatie -> oppervlakte remote area

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� Uitvoeren hydraulische berekeningen

� Bepalen leidingdiameters

� Optimalisatie :

� K-Factor sprinkler / leidingconfiguratie

� Keuze pomp


� Info DWL : Druk – debiet metingen

� Handmatige berekeningen

� Software : Volledig automatische berekeningen

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� Dimensioneren van de “watervoorziening”

� Inhoud watertank

� Debiet + opvoerhoogte (druk) pomp

� Vermogen


� Extra verbruikers : hydranten / haspels /……

� Classificatie => Werkingsduur installatie

� LH = 30 min

� OH = 60 min

� HHP / HHS = 90 min

� ESFR = 60 min

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I. Administrative :

1. Scaled drawings with complete title block

information

� Name of owner and occupant

� Location, including street address

� Point of compass

� Project name and address

� Building location, owner

� Designer’s name

� Sprinkler contractor name, address,

telephone number,…

� Revisions

� Scale

� Site location

� List of all applicable codes and standards

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Checklist dossier sprinklersysteem

II. Architectural :

1. All room names

� If the classification of occupancy (hazard)

is not obvious by the room name provide

further clarification

2. Location of all partitions and doors

3. Identify the different fire rated walls

4. Ceiling construction and height for all rooms

5. Ceiling obstructions and their dimensions

6. Explain blind spaces and other areas where

sprinklers are not to be installed

� Provide justifications on plans with code

sections

7. Full height cross sections with enough detail

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III. Design criteria:

1. Hazard classification (occupancy)

2. Density & area of sprinkler operation

3. Sprinkler system: wet , dry ,deluge , preaction,…

4. Allowable area coverage per sprinkler head

5. High pile storage of materials

1. Commodity classification

2. Storage arrangements (height)

3. Density and area of sprinkler operation

4. Sprinkler system: wet , dry ,deluge ,

preaction,…

6. Rack storage of materials

1. Commodity classification

2. Storage arrangements (height)

3. Density and area of sprinkler operation

4. Sprinkler system: wet , dry ,deluge ,

preaction,…

IV. System layout:

1. Piping

� Show all pipe sizes (incl. wall thickness)

� Material cut sheets (mfg,type,listings …)

� Elevation of all pipes

� Size & lengths of riser nipples & drops

2. Fittings

� Materials (mfg,type,listings,…)

� Details of joining methods (threaded, grooved, welded,…)

3. Hangers

� Materials and configuration (mfg,listings)

� Locations

� Fastener details (mfg,type,size

4. Sprinklers

� Dimension between sprinklers

� Dimension from sprinklers to walls / obstructions

� Manufacturer, model number, quantities,listings

� Temperature rating / K-factor ….

5. Alarm valves / valves….

6. Drainage ….

7. Fire department connection….10


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V. Hydraulic calculations:

1. Calculation design area

� Show clearly the boundary of each design

area

� Indicate actual total area calculated

� Min. required density / startpressure

� Min.area of operation

� Hydraulic reference points on plan

corresponding to calculations

� Abbreviations and symbols

� Peaking of gridded systems

� Most remote area

� Total friction loss between reference points

� Friction loss per m pipe

� Equivalent pipe lengths for all fittings and

devices used in calculation

� Required pressure and flow in each reference

point

� Overview of hydraulic calculations on a graph

sheet

VI. Water supply:

1. Detail of connection to water supply

2. Detail of transition from undergound to

overhead system

� Materials, details of

penetrations,clearances

3. Hydrant test information

� Location and elevation of static &

residual pressure

� Flow location

� Date & time of test

� Test conducted by or information

supplied by

� Circulating or dead end

� Pipe diameter and type of material

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VII. Water tanks:

1. Water supply to refill tank

� A permanent connection to an approved

water supply shall be provided to fill the

tank

2. Automatic fill devices

3. Nameplate : Tank capacity / mfg / year/listings

4. Tank level & temperature monitoring

5. Overflow/fill protection

6. Detail of anti vortex plate

7. Detail of jointing method

8. Location of tank and all piping and fittings to

system pump

9. Tank & suction line protection from freezing

10. Provide vertical and horizontal (isometric) views

of tank and relation to pump location

VIII. Fire pump details:

1. Plan view of fire pump room showing:

� fire pump, jockey pump,

� floor drain, relief valve, flow meter, FDC,

� controller for fire pump and jockey pump,

� fuel tank for diesel, test header,

� battery system , access door,

� all associated piping, appurtenances

2. Detailed views / section views:

� Eccentric reducer with the eccentricreducer, installed with flat side on top

� Check valves, butterfly valves, OS&Y valves, sensing line and controllers (indicate if valves are NO or NC)

� Section views from different angles andlocations to provide full understanding of the design

3. Factory fire pump test curve data sheets

4. Minimum room temperature

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Questions ?

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Koen Van HerpeMSc Fire Safety Engineer

+32(0)473 935 235

Date post:	03-May-2018
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