2011FLSCPiletteNFPA13MiscellanStorage

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Fire & Life Safety ConferenceDecember 12-14, 2011

Orlando, Florida

NFPA-13, 2010

Relationship of Chapter 5 Classification of Occupancies& Commodities & Chapter 13, Miscellaneous Storage

Maurice M. Pilette, PE, CET IV, CFPSMechanical Designs Ltd.

Natick, MA 01760

508-653-5452

email: [email protected]

ObjectivesChapter 5

Review OccupancyCommodity Classifications

Chapter 3 & 13

Miscellaneous Storage as Defined and Storage Applications

Chapter 5 & 12

Storage Commodities as Applicable to Chapter 12 & 13

Assess variables that have an impact on design determination

Design Methodology

Chapter 5 & 13

Relationship of Chapter 5 & 13 (Miscellaneous) withChapter 11-Design Approaches

vs

Chapter 5 & 12 (Dedicated)

(12ft. or less vs. over 12ft.)General Requirements for Storage

Relationship with Chapter 12, 14, 15, 16 and 17

Designer must be accurate in evaluation

Interpretation to be concurrent with Authority Having Jurisdiction


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3.9.1.18* Miscellaneous StorageStorage that does not exceed 12 ft (3.66 m) in height and is

incidental to another occupancy use group. Such storage

shall not constitute more than 10 percent of the building

area or 4000 ft2 (372 m2) of the sprinklered area, whichever

is greater. Such storage shall not exceed 1000 ft2 (93m2) in

one pile or area, and each such pile or area shall be

separated from other storage areas by at least 25 ft (7.62 m).

Chapter 3Definition

Miscellaneous Storage

Design Methodology

Evaluations

Items to be Considered Occupancies

Hazards

Storage Arrangements

Special Design of Storage

Commodities

Definitions: Chapter 3

Storage Heights

Ceiling Heights

Storage Ceiling Clearances

See Annex Chapter 5 forGuidance Relative to Examplesof Occupancies, Hazards and

Commodity Classifications

Applicability of Miscellaneous Storage

Storage 12ft. or less

vs

Storage over 12ft.


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Regulatory ProtocolSprinkler Protection

Where required:

Authority Having Jurisdiction

Laws, Regulations, Ordinances and

Policies

Codes and Amendments

Edition (Year )

How to:

Reference Standards (Year Edition)

Design and Installation Methods

Equivalencies

Chapter 5Classification of Occupancies

&

Commodities

5.2 Light Hazard Occupancies

5.3.1 Ordinary Hazard Occupancies (Group 1)

5.3.2 Ordinary Hazard Occupancies (Group 2)

5.4.1 Extra Hazard (Group 1)

5.4.2 Extra Hazard (Group 2)

OccupanciesMiscellaneous Storage

Office-Rear StorageRestaurant-Storage Rooms

Museum-Storage Areas

Paint Spray-Extra Hazard Shopping Mall-Multiple

Retail Stores

Residential-Separate

Storage Areas


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Chapter 5Classification of Occupancies

&

Commodities

5.5 Special Occupancies Hazards (Chapter 21)

5.6 Commodity Classification

Mix

Mix Segregation

Pallet Types

Class I

Class II

Class III

Class IV

Group A, B, C Plastics

CommoditiesMiscellaneous Storage

Storage MethodCommodity

Storage Arrangement

Hazard Classification

Storage Methods and Pallets

Wood or Plastic Effects Commodity Classification

Chapter 5Occupancies

5.3.1* Ordinary Hazard (Group 1)

5.3.1.1 Ordinary Hazard (Group 1) occupancies shall be defined

as occupancies or portions of other occupancies where

combustibility is low, quantity of combustibles is moderate,

stockpiles of combustibles do not exceed 8 ft (2.4 m), and

fires with moderate rates of heat release are expected.

5.3.1.2 Dedicated and miscellaneous storage shall be protected

in accordance with Chapter 12 and Chapter 13 as applicable.


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Chapter 5Occupancies

5.3.2* Ordinary Hazard (Group 2)

5.3.2.1 Ordinary hazard (Group 2) occupancies shall be defined

as occupancies or portions of other occupancies where

the quantity and combustibility of contents are moderate to

high, where stockpiles of contents with moderate rates of heat

release do not exceed 12 ft (3.66 m) and stockpiles of contents

with high rates of heat release do not exceed 8 ft (2.4 m).

5.3.2.2 Dedicated and miscellaneous storage shall be protected

in accordance with Chapter 12 and Chapter 13 as applicable.

Chapter 12General Requirements for Storage

12.1 General. The requirements of Section 12.1 shall

apply to all storage arrangements and commodities

other than miscellaneous storage (Chapter 13) and

as modified by specific sections in Chapter 14

through Chapter 20.

NFPA-13

No specific definition for storage. Chapter 3 onlydefines storage arrangements, means, methods and

applications.

Palletized

Bin box

Rack

Shelf

Back-to-back shelf storage

Solid pile

Does not define: long term, short term, temporary


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Hazard Occupancies

vs

StorageMercantile, Chapter 5

Ordinary Hazard Group II?

General Purpose Warehouse

12ft. or less, Chapter 13

Mercantile-Retail

Chapter 5

Big Box Store, Chapter 20Shopping Mall

Chapter 5 & 13

Large Retail, Chapter

20 , 5 or 13????

Warehouse Over

12ft., Chapter 12

Chapter 13Miscellaneous Storage

13.2 Design Basis

13.2.1 Table 13.2.1 and Figure 13.2.1 shall apply to any of the

following situations:

(1) Miscellaneous storage of Class I through Class IV commodities

up to 12 ft (3.7 m) in height .

(2) Miscellaneous storage of Group A plastics up to 12 ft (3.7 m) in height,

(3) Miscellaneous storage of rubber tires up to 12 ft (3.7 m) in height

(4) Miscellaneous storage of rolled paper up to 12 ft (3.7 m) in height

(5) Storage of Class I through Class IV commodities up to

12 ft (3.7 m) in height as directed by 14.2.3.1 and 16.2.1.2.1

(6) Storage of Group A plastics up to 5 ft (1.5 m) in height as

directed by 15.2.1 and 17.2.1.1

Chapter 13Miscellaneous Storage

13.2.2 Installation criteria as permitted by NFPA 13 and design

criteria and modifiers as permitted by the density/areamethod of Chapter 11 for ordinary hazard Group 1, ordinary

hazard Group 2, extra hazard Group 1, and extra hazard

Group 2 occupancies shall be applicable for the protection of

any of the following:

(1) Miscellaneous storage as described by Table 13.2.1

(2) Commodity Class I through Class IV storage 12 ft (3.7 m)

or less in height as directed by 14.2.3.1 and 16.2.1.2.1

(3) Storage of Group A plastics up to 5 ft (1.5 m) in height as

directed by 15.2.1 and 17.2.1.1


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Chapter 14Protection of Class I to Class IV

Commodities That Are Stored Palletized, Solid Piled,

Bin Boxes, Shelf Storage, or Back-to-Back Shelf

Storage

14.2.3 Protection Criteria for Palletized, Solid Piled, Bin Box, Shelf

Storage, or Back-to-Back Shelf Storage of Class I Through Class IV

Commodities Stored Up to 12 ft (3.7 m) in Height.

14.2.3.1 The protection criteria for storage up to and including

12 ft (3.7 m) shall be the same as for miscellaneous storage

selected from Chapter 13.

14.2.3.2 The protection criteria in Chapter 13 shall be acceptable

for storage of Class I to Class IV commodities up to

and including 12 ft (3.7 m) in height (see Table 13.2.1).

Chapter 15Protection of Plastic and Rubber

Commodities That Are Stored Palletized, Solid Piled,

Bin Boxes, Shelf Storage, or Back-to-Back Shelf

Storage15.2* Control Mode Density/Area Sprinkler Protection Criteria

for Palletized, Solid-Piled, Bin Box, Shelf Storage, or Back-to-

Back Shelf Storage of Plastic and Rubber Commodities.

15.2.1 For the storage of Group A plastics stored 5 ft (1.5 m)

or less in height, the sprinkler design criteria for miscellaneous

storage specified in Chapter 13 shall be used. The protection

criteria in Chapter 13 shall be acceptable for storage ofGroup A plastic commodities up to and including 5 ft (1.5 m)

in height. (See Table 13.2.1 for specific Group A plastic storage height

protection criteria.)

Chapter 16Protection of Class I Through Class IV

Commodities That Are Stored on Racks

16.2.1.2 Protection Criteria for Rack Storage of Class I Through

IV Commodities Stored Up to 12 ft (3.7 m) in Height.

16.2.1.2.1 The protection criteria for storage up to and including

12 ft (3.7 m) shall be the same as miscellaneous storage,

selected from Chapter 13.

16.2.1.2.2 The protection criteria in Chapter 13 shall be acceptable

for storage of Class I through Class IV commodities

up to and including 12 ft (3.7 m) in height. (See Table 13.2.1 for

specific Class I through Class IV storage height protection criteria.)


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Chapter 17Protection of Plastic and Rubber

Commodities That Are Stored on Racks

17.2.1.1* Storage 5 ft (1.5 m) or Less in Height.

17.2.1.1.1 For the storage of Group A plastics stored 5 ft (1.m)or less in height, the sprinkler design criteria for miscellaneous

storage specified in Chapter 13 shall be used.

17.2.1.1.2 The protection criteria in Chapter 13 shall be acceptable

for storage of Group A plastic commodities up to and including

5 ft (1.5 m) in height. (See Table 13.2.1 for specific Group A plastic

storage height protection criteria.)

Hazard ClassificationOrdinary Hazard Group 1 vs Group 2

Mercantile vs Retail

Design for flexibility

Chapter 20 Special Design of Storage

20.3.1 Ceiling, 30ft. Storage 22ft.

20.3.2 Ceiling, 22ft. Storage 12ft. (Chapter 5, OH2 or Chapter 13)




20.3.6 Ceiling, 22ft. Storage 16.5ft.


Chapter 13Discharge Criteria Tables


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Chapter 14 & 16Design Criteria Tables

Chapter 11 & 13Discharge Criteria Curves-Comparison

Chapter 11, 12 & 13Applicable Design-Sprinkler Types

K-Factors, PSI/Flows, Temperature, Spacing, Obstructions , Listings

Control Mode Specific

Application (CMSA)

Early Suppression

Fast Response (ESFR)Standard Response-Upright

Quick Response

Pendent (QR)

Quick Response

Extended Coverage

In-Rack Sprinkler


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Chapter 3Definition 3.9.1.18

Miscellaneous Storage Chapter 13

Chapter 13

Warehouse Storage-12ft. or less

Rack-Moveable ShelvingPalletized

Solid PileGeneral Purpose

Chapter 12 & 13

Storage Arrangement

Back-to-back Shelves

Bin Box-Open Array Bin Box

Portable RacksMovable Racks

Double Row Racks


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Chapter 5 Occupancy Classification&

Miscellaneous Storage

Ordinary Hazard-Grocery StoreOrdinary Hazard-Mercantile

Less than 12ft.

Rear Stockroom-Miscellaneous Storage Rear Stockroom-Miscellaneous Storage

Chapter 14, 15, 16, 17, 18Storage Over 12ft.

Double-Row Racks

Up to 25ft.

Plastic Commodities

Over 25ft.

Tire Storage Over 12ft.

Class IV Commodities

Over 25ft.

Chapter 13Non Applicability - Some Exceptions

Chapter 18 - Protection of Rubber Tires

Chapter 19 - Protection of Rolled Paper

Chapter 20 - Special Design of Storage Protection

The Above Chapters do not Direct the use of Chapter 13

Tire Storage Roll Paper Retail Store


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Hose Connections

Chapter 13, Section 13.1.1

Not required


Not required, Class I, II, III, IV,

12ft. or less


Provide where required by

AHJ (Storage over 12ft.)

Options

Chapter 13Non Applicability-Idle Pallets

Idle Wood Pallets

Idle Plastic Pallets

Building and Storage Heights - Section 12.1.3.3

Idle Pallets Chapter 12 Requirements

Chapter 13Applicability

Yes-Class I, II, III, IV, 12ft. or less

Yes-Plastics, 12ft. or less

Ceiling Heights?

Yes-Tires, 12ft. or less

Ceiling Heights?Yes-Miscellaneous Storage

Mixed Commodities, 12ft. or less

No-Storage Over 12ft.

No-Storage Over 12ft.


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Chapter 13

Applicability

Definitions of Miscellaneous Storage

?

Chapter 21Special Occupancy Requirements

e.g. Section 21.2.4 Aircraft Hangars

36 Special Occupancies

Review for Miscellaneous Storage

Chapter 13 Applicability

Storage Arrangements

Racks

Moveable Garment

Rack-Retail/MercantileMoveable Racks

Moveable Racks/Shelving

Fixed Shelving

Compact Racks

Fixed Double-Row Racks


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Thats it

Questions and Answers

Thank you!

Email: [email protected]

2011FLSCPiletteNFPA13MiscellanStorage

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