Ã·ºÎ 3. nfpa13 2013 edition update

8/12/2019 Ã·ºÎ 3. NFPA13 2013 Edition Update

http://slidepdf.com/reader/full/aoi-3-nfpa13-2013-edition-update 1/24

NFPA 13 – 2013 EditionUpdate

Session Agenda

2

• A2012 Code Cycle•NFPA 13 Code Development•Changes to NFPA 13 (NFPA 24)•What Didn’t Happen •Next Steps

A2012 Code Cycle

800+ Proposal

500+ Comments

TCC Meeting 12/6/11

NFPA Annual Meeting 2012 (Las Vegas)

3



Code Development

5 TC’s

1 TCC

Staff’s Role in Development

4

Who Does What?

SSI – All Installation Related Items

SSD – Discharge Criteria

RSS – NFPA 13R and 13D

PRI – NFPA 2 and NFPA 13 CH 10 (Extracted)

HBS – Chapter 9

TCC (Now CC) - Correlation

5

6



More Training on Changes

Venue Name

Start

Date

End

Date Days

Houston, TX

9/13/20

12

9/13/20

12 TH

Nashville, TN

9/27/20

12

9/27/20

12 TH

Holiday Inn Baltimore Inner

Harbor

10/19/2

012

10/19/2

012 F

Cincinnati, OH

10/25/2

012

10/25/2

012 TH

Phoenix, AZ

11/2/20

12

11/2/20

12 F

Atlantic City, NJ

11/30/2

012

11/30/2

012 F

Orlando, FL

12/14/2

012

12/14/2

012 F

7

Changes to NFPA 13, 13D, & 13R - 2013 Edition - 1 Day Seminar

Chapter 3 - Definitions

8

Control valve

Draft Curtain

Dwelling Unit

High Volume Low Speed Fan

Continuous Obstruction

Non-Continuous Obstruction

Clearance to Ceiling

Raw Water Source

Sprinkler System

Small Room

Antifreeze System

Combined Dry Pipe/Pre Action

Cross Main

System Riser

Clearance to Storage

General Sprinkler Characteristics

Open Top Container

Four-Way Bracing

Hanger

Net Vertical Force

Seismic Separation Assembly

Clearance to Storage

3.9.1.6 Clearance to Ceiling. Thedistance from the top of storage to

the ceiling above.

9



Four-Way Brace

Four-Way Brace. A sway brace or swaybrace assembly intended to resist

differential movement of the piping systemin all horizontal directions.

10

3.3.8/A.3.3.8 - Draft Curtain

A continuous material protrudingdownward from the ceiling to create areservoir for collecting smoke and heat.

Additional information about the size andinstallation of draft curtains can be found inNFPA 204.

11

3.3.18.2 Non-continuousObstruction

Continuous Obstruction. Anobstruction located at or below the level of

sprinkler deflectors which affect thedischarge pattern of two or more adjacentsprinklers

Non-continuous Obstruction . Anobstruction at or below the level of thesprinkler deflector which affects thedischarge pattern of a single sprinkler.

12



3.3.22 – Small Room

A compartment of light hazardoccupancy classification having

unobstructed construction, and a floor areanot exceeding 800 ft2 (74.3 m2).

13

3.4.1 - Antifreeze Sprinkler System

A wet pipe system using automaticsprinklers that contains a liquid solution toprevent freezing of the system, intended todischarge the solution upon sprinkleroperation, followed immediately by waterfrom a water supply.

14

3.4.1.1 - Premixed AntifreezeSolution

A mixture of an antifreeze material withwater that is prepared and factory mixed

by the manufacturer with a quality controlprocedure in place that ensures that theantifreeze solution remains homogeneousand that the concentration is as specified.

15



3.3.23* Sprinkler System

An integrated network of piping designed inaccordance with fire protection engineeringstandards that includes a water supply source,

a water control valve, a water flow alarm, anda drain. The portion of the sprinkler systemabove ground is a network of specifically sizedor hydraulically designed piping installed in abuilding, structure, or area, generallyoverhead, and to which sprinklers areattached in a systematic pattern. The systemis commonly activated by heat from a fire anddischarges water over the fire area.

16

Nitrogen and Other Gases

Air, nitrogen or other approved gas- Where airis used to charge, maintain or supervisesprinkler systems, nitrogen or other approvedgas shall also be permitted to be used.

17

FDC Pressure

The pressurepotential from a fire

departmentconnection shall notbe considered indetermining ratedpressure per Section6.1.3.

18



Re-use of Sprinklers

When a sprinkler has been removed forany reason it shall not be reinstalled.

19

CPVC Compatibility

Nonmetallic pipe and fittings included

in table 6.3.1.1 and table 6.4.1 shall be

listed.

Manufacturers installation

instructions shall include it’s listing

limitations.

20

CPVC Compatibility

When CPVC pipe is used in

combination systems utilizing steel

pipe, cutting oils and lubricants used

for fabrication of the steel piping shall

be compatible with CPVC materials.

21



CPVC Compatibility

Other construction materials such as

paint, electrical and communication

wiring, thread sealants, gasketlubricant shall not come in contact

with CPVC unless they have been

evaluated as compatible with CPVC

materials by a testing lab.

22

Escutcheon/Cover Plate Assembly

The use of caulking or glue to seal thepenetration or to affix the components of arecessed escutcheon or concealed coverplate shall not be permitted.

23

6.2.6.2.2/6.2.6.2.3Painting Sprinklers

Where sprinklers have had paint applied byother than the sprinkler manufacturer, they

shall be replaced with new listed sprinklers ofthe same characteristics, including K-factor,thermal response, and water distribution.

Where cover plates on concealed sprinklershave been painted by other than the sprinklermanufacturer, the cover plate shall bereplaced.

24



6.2.9.1Stock of Spare Sprinklers

A supply of at least six spare sprinklersshall be maintained on the premises so thatany sprinklers that have operated or beendamaged in any way can be promptlyreplaced.

25

6.3.1.1.1 - Above Ground Pipe

Underground pipe shall be permitted toextend into the building through the slab orwall not more than 24 inches.

26

Relief Valves at Each Floor

7.1.2.3 A relief valve per Section 7.1.2.1shall be required downstream of check

valves required by Section 8.17.5.2.2(1).

Each connection from a standpipe that ispart of a combined system to a sprinklersystem shall have an individual controlvalve and check valve of the same size asthe connection.

27



6.10 - Signs

28

7.1.1 - Pressure Gauges

An approved pressure gauge conforming to

8.17.3 shall be installed in each system riser.

29

Antifreeze Systems

Premixed Solution

Glycerine 48%

PG 38%

More than 38% PG for ESFR

Manufacturers Certificate

New Solutions

30



NEW FPRF DATA

TC TIA

• Only Listed Solutions

• Listing Must Show It Doesn’t Ignite Public TIA

Ban All Antifreeze

31

What Can Happen

32

Backflow Testing

A means shall be provided to perform a fullforward flow test in accordance with

8.17.4.6

33



Sprinklers in Mechanical Equip

Sprinklers shall not be required to beinstalled within electrical equipment,mechanical equipment, or air handlingunits.

34

Water Mist Systems

NFPA 13 does notcontemplate WaterMist Systems. UseNFPA 750.

35

High Temp Heads – Storage

High-temperature sprinklers shall bepermitted to be used throughout ordinary

extra hazard occupancies, storageoccupancies and as allowed in thisstandard and other NFPA codes andstandards.

36



Attic Sprinkler Temp ratings

Attics should be conditioned or useintermediate temperature heads.

37

CMSA in O/L Hazard Occupancies

Quick response CMSA sprinklers designedto meet any criteria in Chapter 12 throughChapter 20 shall be permitted to protectlight and ordinary hazard occupancies.

Standard response CMSA sprinklersdesigned to meet any criteria in Chapter 12through Chapter 20 shall be permitted to

protect ordinary hazard occupancies.

38

Exposed Barrel Lengths

39



Exposed Barrel Lengths

40

Attached Insulation

For insulation that is installed attacheddirectly to against the ceiling or roofstructure and is installed flat and parallel tothe ceiling or roof structure, the deflectordistance shall be measured to theunderside of the insulation.

41

Small Closets

In all closets andcompartments, including

those closets housingmechanical equipment,that are not larger than400 ft3in size, a singlesprinkler at the highestceiling space shall besufficient without regard toobstructions or minimumdistance to the wall.

42



Dry Area Concept

Notwithstanding the obstruction rulesprovided in Chapter 8, it is not intended orexpected that water will fall on the entirefloor space of the occupancy.

43

Back-to-Back Sidewalls

The maximum width of the lintel or soffitshall not exceed 16inches.

The maximum width of the lintel or soffit canexceed 16 inches when a pendent sprinkler isinstalled under the lintel or soffit.

44

Sprinkler Spacing <6 FeetStandard and EC Sprinklers

(1) Baffles are arranged to protect theactuating elements.

(2) Baffles shall be of solid and rigid materialthat will stay in place before and duringsprinkler operation.

(3) Baffles shall be not less than 8 in. longand 6 in. (152 mm) high.

45



Sprinkler Spacing <6 FeetStandard and EC Sprinklers

(4) The tops of baffles shall extend between2 in. and 3 in. (51 mm and 76 mm) abovethe deflectors of upright sprinklers.

(5) The bottoms of baffles shall extenddownward to a level at least even with thedeflectors of pendent sprinklers.

46

8.3.3.4 – Use of Sprinklers

When existing light hazard systems areconverted to use quick-response orresidential sprinklers, all sprinklers in acompartment shall be changed.

8.3.4.1 Sprinklers shall have a minimumnominal K-factor of 5.6 unless permitted by8.3.4.

47

8.4.5.3 - Residential Sprinklers

Where residential sprinklers are installed in

a compartment as defined in 3.3.6, all

sprinklers within the compartment shall be

residential sprinklers.

48



Sidewall Obstructions Rule

Obstructions on the wall opposite from thesidewall sprinkler shall be permitted wherethe obstruction is up to 2 ft deep and 2 ftwide

49

8.5.5.3.1.1

Open Grate Flooring

• Open grate flooring over 4 feet in width shall

require sprinkler protection below thegrating.

50

Residential Sidewall Sprinklers

Residential horizontal sidewall sprinklerdeflectors shall be located no more than 6

in. from the wall on which they aremounted unless listed for greaterdistances.

51



Insulated Concealed Spaces

2 Inch Air Gap Permitted at Top

Entirely Not Practical

52

Elevator Requirements

Automatic fire sprinklers shall not berequired in elevator machine rooms andelevator machine machinery spaces,control spaces or hoistways of tractionelevators where the following are met:

1) The elevator machine room, machineryspace, control room, control space or

hoistway of traction elevator is and spacesare dedicated to elevator equipment only

53


2) Spaces are protected by smokedetectors, or other automatic fire

detection, installed in accordance withNFPA72.

Spaces are separated from the remainderof the building by walls and floor/ceiling orroof/ceiling assemblies having a fireresistive resistance rating of not less thanthat specified by the applicable buildingcode

54




4) Spaces are protected by smokedetectors, or other automatic fire

detection, installed in accordance withNFPA72.

5) The elevator machinery is not of thehydraulic type

55

Backflow as Required Control Valve

A listed backflow prevention device shall beconsidered a control valve, and anadditional control valve shall not berequired.

56

8.15.3.1 Stairways ofCombustible Construction

Sprinklers shall be installed beneath all

stairways of combustible construction.

8.15.3.1.1 Sprinklers shall be installed atthe top of combustible stair shafts.

8.15.3.1.2* Sprinklers shall be installedunder the landings at each floor level.

8.15.3.1.3 Sprinklers shall be installedbeneath the lowest intermediate landing.

57



8.15.9* - Hospital Clothes Closets

Sprinklers shall not be required in clothes

closets of patient sleeping rooms in

hospitals where the area of the closet doesnot exceed 6 ft² (0.55 m²) provided the

distance from the sprinkler in the patient

sleeping room to the back wall of the closet

does not exceed the maximum distance

permitted by 8.5.3.2.

58

8.17.2.5.1

Check Valve for FDC

A listed check valve shall be installed in

each fire department connection and shall

be located in an accessible location.

59

Heat Loss Calculation

Water filled piping shall be permitted to beinstalled in areas where the temperature is

less than 40°F (4°C) when heat losscalculation performed by a ProfessionalEngineer are performed to verify that thesystem will not freeze

60



Heat Tracing

Where used to protectbranch lines, the heat

tracing system shall bespecifically listed foruse on branchlines.

Electric supervision ofthe heat tracing systemshall provide positiveconfirmation that thecircuit is energized.

61

Concealed Space Calculations

Unless the requirements of Section

11.2.3.1.4(4) are met for buildings having

unsprinklered combustible concealed

spaces, as described in Sections

8.15.1.2 and 8.15.6, the minimum design

area of sprinkler operation for that portion

of the building shall be eight sprinklers

3000 ft2 (279 m2).

62

ESFR and CMSA Applications

ESFR and CMSA

sprinklers meeting

any criteria in

Chapters 12-20

shall be permitted

to protect light and

ordinary hazard

occupancies.

63



Pressure Balancing

22.4.2.4.3 Pressure balancing shall bepermitted through the use of a K-factor

developed for branch lines or portions ofsystems using the formula in 22.4.2.5.

22.4.2.5 K-factor Formula. K-factors, flowfrom an orifice or pressure from an orificeshall be determined on the basis of thefollowing formula:

64

Chapter 23Plans & Calculations

23.2.1.1* Where a water flow test is used forthe purposes of system design, the test shall beconducted no more than 12 months prior toworking plan submittal unless otherwiseapproved by the AHJ.

Water Supply Capacity

23.1.2 Capacity. Water supplies shall becapable of providing the required flow and

pressure for the remote design areadetermined using the procedures inChapters 11 through 22.

66



67

K =Q

√P

K=Q/(p)0.5

K Factor Equation

What’s Not Happening

Re-use of Sprinklers Heads

Cloud Ceilings

Shadow Areas

Specially Listed

Exposed Expanded Plastics

68

Stay informed about innovation atNFPA, visit: www.nfpa.org/innovation

http://www.nfpa.org/innovation

http://www.nfpa.org/innovation



NFPA 13 – 2013 EditionUpdate

Ã·ºÎ 3. nfpa13 2013 edition update

Documents