Reliable KFR-CCS Manuel utilisateur

Features

• cULus Listed for areas of coverage up to 256 square feet

• Fast response 212°F (100°C) fusible link operating element

Product Description

The Reliable Model KFR-CCS Combustible Concealed

Space Sprinkler is an upright, special sprinkler designed to

provide protection of specic light hazard combustible and

noncombustible concealed spaces requiring sprinkler protection.

The Model KFR-CCS Sprinkler utilizes a fast response solder-

link fusible element that has demonstrated response times in

laboratory tests which are ve to ten times faster than standard

response sprinklers. This feature enables the sprinkler to apply

water to a re much faster than standard response sprinklers of

the same temperature rating.

Application

The Model KFR-CCS sprinkler is specically listed for the

protection of horizontal combustible concealed spaces up to 36”

deep as described in NFPA 13 and as detailed in this bulletin.

In addition, the Model KFR-CCS sprinkler is specically listed for

the protection of horizontal combustible concealed spaces with

wood truss and bar joist construction up to and including 60”

(900 mm) deep.

Installation

Model KFR-CCS Sprinklers are to be installed in the upright

position with their frames arms parallel to the pipe. When

installing the Model KFR-CCS sprinkler use only the Reliable

Model W2 installation wrench. Usage of any other type of

installation wrench may damage the sprinkler and will void

the manufacturer’s warranty. Damaged sprinklers must be

immediately replaced. A leak tight ½” NPT (R1/2) sprinkler joint

can be obtained with an installation torque of approximately 8 -18

ft-lbs (10.8 – 24.4 N.m) after application of an appropriate thread

sealant. Do not tighten sprinklers over these recommended limits.

Doing so may cause leakage and/or premature operation.

www.reliablesprinkler.com

K-factor 5.6 (80); SIN RA4454

cULus Listed

Model KFR-CCS

Combustible Concealed Space Sprinkler

Bulletin 044 December 2022

Maintenance

Reliable Model KFR-CCS series sprinklers should be inspected

and the sprinkler system maintained in accordance with NFPA

25, as well as the requirements of any Authorities Having

Jurisdiction. Prior to installation, sprinklers should remain in the

original cartons and packaging until used. This will minimize the

potential for damage to sprinklers that could cause improper

operation or non-operation.

Do not clean sprinklers with soap and water, ammonia liquid or

any other cleaning fluids. Remove dust by gentle vacuuming

without touching the sprinkler.

Replace any sprinkler which has been painted (other than factory

applied). A stock of spare sprinklers should be maintained to

allow quick replacement of damaged or operated sprinklers.

Failure to properly maintain sprinklers may result in inadvertent

operation or non-operation during a re event.

Guarantee

For Reliable Automatic Sprinkler Co., Inc. guarantee, terms, and

conditions, visit www.reliablesprinkler.com.

Ordering Information

Specify: Model KFR-CCS Sprinkler

W2 Wrench

Model W2 Wrench

Model KFR-CCS Components and Installation Dimensions Figure 1

Technical Specications

Style: Upright

Threads: 1/2” NPT or ISO7-1R1/2

Nominal K-Factor: 5.6 (80 metric)

Max. Working Pressure: 175 psi (12 bar)

Material Specications

Thermal Sensor: Nickel Alloy

Sprinkler Frame: Brass Alloy

Button: Copper Alloy

Sealing Assembly: Nickel Alloy with PTFE

Load Screw: Bronze Alloy

Deflector: Bronze Alloy

Finish

Standard Brass

Temperature Ratings

212°F (100°C)

Sensitivity

Fast Response

Sprinkler Wrench

Model W2

Approvals

cULus Listed

Model KFR-CCS Combustible Concealed Space Upright Sprinkler SIN RA4454

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December 2022

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2 1/4"

(57 mm)

1-5/8"

(42 mm)

COMPONENTS DIMENSIONS

Deflector

Frame

Threads Wrench Flats

Cap & Seal

Fusible Link

Compression

Screw

044FIG01

Model KFR-CCS General Application Criteria

Minimum Distance (Spacing) Between Sprinklers: 6 ft (1.83 m)

Note: The minimum distance does not apply to any additional sprinklers that are required for protection of CPVC piping that is

offset over an obstruction.

Maximum Distance (Spacing) Between Sprinklers: (Refer to Figures 2 through 7)

Maximum Coverage Area Per Sprinkler: (Refer to Figures 2 through 7)

Deflector Distance: (Refer to Figures 2 through 7)

Minimum Distance Away From Face of Wood Truss or Top Chord of Bar Joist: 4-1/2 in. (114 mm)

Obstruction Rules:

1. Sprinklers may not be installed such that the deflector is above the bottom of the top chord of trusses or joists.

2. Gusset plates, truss members, or bar joist members (other than top chords) shall not be considered obstructions provided a min-

imum 4-1/2 in. (114 mm) lateral distance from the edge of the member to the centerline of the sprinkler (required by the specic

application listing) is maintained.

3. Where the Model KFR-CCS sprinkler is spaced over 225 ft2(20.9 m2), apply the obstruction rules found in NFPA 13 for extended

coverage sprinklers, except as noted in #2 above.

4. Where the Model KFR-CCS sprinkler is spaced 225 ft2(20.9 m2) or less, apply the obstruction rules found in NFPA 13 for standard

spray sprinklers, except as noted in #2 above.

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December 2022

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The Model KFR-CCS Sprinkler is specically listed to provide protection of combustible concealed spaces where (a) the construction

method consists of wood trusses or bar joists with top chord depth not exceeding 4 in. (100 mm), (b) the maximum depth of the space is

60 in. (1.5 m) as measured from bottom of deck to top of ceiling, and (c) the slope of the upper deck does not exceed 2 in 12.

The Model KFR-CCS Sprinkler is specically listed to provide protection of combustible concealed spaces where (a) the construction

method consists of wood trusses or bar joists with top chord depth exceeding 4 in. (100 mm), (b) the maximum depth of the space is 60

in. (1.5 m) as measured from bottom of deck to top of ceiling, and (c) the slope of the upper deck does not exceed 2 in 12.

The Model KFR-CCS Sprinkler is specically listed to provide protection of combustible concealed spaces where (a) the construction

method consists of solid or composite wood joists, (b) the depth of the space does not exceed 36 in. (900 mm) as measured from the

bottom of the upper joist to top of the bottom joist (or ceiling if joists are not present), and (c) the slope of the upper deck does not

exceed 2 in 12.

Unless modied by this technical data sheet, all guidelines provided by the CPVC pipe and tting manufacturer must be followed.

When using CPVC pipe and ttings, horizontal runs of pipe must be a maximum of 6 in. (150 mm) above the ceiling or noncombustible

ceiling insulation, or 1/3 the depth of concealed space (as measured from the top surface of the ceiling to the bottom of the deck above),

whichever is smaller.

Where the members at the bottom of the concealed space are greater than 6 in. (150 mm) tall, installing CPVC piping directly on top of

those members shall be permitted.

When using 1 in. (DN25) or larger pipe, a hanger must be located at the truss nearest a sprig for purposes of restraint. If using 3/4 in.

(DN19) piping, all sprigs over 12 in. (300 mm) must be laterally braced using methods described in the NFPA standards.

Where CPVC pipe must be offset up and over an obstruction, the CPVC pipe must be kept within 6 in. of the obstruction and additional

Model KFR-CCS Sprinklers are to be installed to protect the CPVC material.

A minimum lateral distance of 18 in. (460 mm) must be maintained between the CPVC pipe and heat pumps, fan motors, and heat

lamps.

CPVC piping can be used to supply the Model KFR-CCS Sprinklers as well as sprinklers installed below the ceiling.

Where provided or required, draft curtains shall be at least 1/3 the depth of the concealed space or 8 in. (200 mm), whichever is greater,

and shall be constructed using minimum 1/4 in. plywood or other material that will not allow heat to escape through or pass above the

draft curtain. Full height walls are acceptable substitutes for draft curtains.

System Types: Wet (CPVC or Steel Pipe); Dry or Preaction (Steel Pipe only)

Design Method: Density/Area per NFPA 13, except as modied herein

Hazard Classication: Light Hazard

Minimum Density: 0.10 gpm/ft2 (4.1 Lpm/m2)

Minimum Operating Pressure: 7 psi (0.48 bar)

Design Area: (Reference Figures 2 through 7)

Application Criteria for Unobstructed Wood Truss Construction

Application Criteria for Obstructed Wood Truss Construction

Application Criteria for Solid or Composite Wood Joist Construction

Special Requirements When Using CPVC Materials

Draft Curtain Requirements

General Hydraulic Design Requirements

UPPER

DECK

4-1/2 in. (114 mm) MINIMUM FROM

CENTERLINE OF SPRINKLER TO

FACE OF TOP CHORD OF WOOD

TRUSS OR BAR JOIST

OBSTRUCTION

CEILING

6 in. (150 mm)

MAXIMUM

WHEN OFFSETTING CPVC PIPE OVER AN

OBSTRUCTION, A CCS SPRINKLER MUST BE

INSTALLED DIRECTLY ON THE PIPE OVER THE

OBSTRUCTION. MAINTAIN 18 in. (460 mm)

CLEARANCE TO HEAT PUMPS, FAN MOTORS,

HEAT LAMPS, OR OTHER HEAT SOURCES.

SEE NOTE 2

INSTALLATION NOTES:

1. DISTANCE EVALUATED AS PART OF THE cULus LISTING: 12 in. TO 60 in. (300 mm TO 1500 mm). NFPA 13 PERMITS INSTALLATION OF THE

SPRINKLER WHERE THIS DISTANCE IS LESS THAN 12 in. (300 mm).

2. DEFLECTOR TO BE NO MORE THAN 2 in. (50 mm) MAXIMUM BELOW BOTTOM OF TOP CHORD. IN NO CASE SHALL DEFLECTOR BE

ABOVE THE BOTTOM OF THE TOP CHORD.

3. INSTALL SPRINKLER WITH FRAME ARMS PARALLEL TO PIPE.

PIPE SHALL BE LOCATED A MAXIMUM OF 6 in. (150 mm) ABOVE

THE TOP OF THE CEILING (OR INSULATION), OR A MAXIMUM OF

ONE-THIRD (1/3) THE DEPTH OF THE CONCEALED SPACE ABOVE

THE TOP OF THE CEILING, WHICHEVER IS SMALLER.

SEE NOTE 1

HYDRAULIC DESIGN AREA REQUIREMENTS

A. WET SYSTEM: WHERE DRAFT CURTAINS (OR FULL HEIGHT WALLS) ARE PROVIDED AT MAXIMUM AREAS OF 1000 ft

(93 m

) OR LESS,

CALCULATE ALL SPRINKLERS WITHIN THE COMPARTMENTED AREA.

B. WET SYSTEM: WHERE DRAFT CURTAINS (OR FULL HEIGHT WALLS) ARE NOT PROVIDED, OR PROVIDED AT AREAS EXCEEDING 1000 ft

(93

), CALCULATE AN AREA OF 1000 ft

(93 m

) OR SIX SPRINKLERS, WHICHEVER CREATES THE GREATER DEMAND.

C. ADDITIONAL SPRINKLERS THAT ARE REQUIRED FOR PROTECTION OF CPVC PIPING THAT IS OFFSET OVER AN OBSTRUCTION DO NOT

NEED TO BE INCLUDED IN THE DESIGN AREA.

NOTE 3

SPRINKLER SPACING AND COVERAGE AREA

A. 16 ft (4.9 m) MAXIMUM BETWEEN SPRINKLERS

B. 6 ft (1.8 m) MINIMUM BETWEEN SPRINKLERS (DOES NOT APPLY TO SPRINKLERS ADDED TO PROTECT CPVC PIPING OFFSET OVER AN

OBSTRUCTION)

C. 256 ft

(23.8 m

) MAXIMUM COVERAGE AREA PER SPRINKLER

6 in. (150 mm)

MAXIMUM

TOP CHORD DEPTH 4 in.

(100 mm) OR LESS

Figure 2

Unobstructed Wood Truss or Bar Joist, CPVC Pipe

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Draft Curtains: Optional

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UPPER

DECK

CEILING

TOP CHORD DEPTH 4 in.

(100 mm) OR LESS

SEE NOTE 1

LOCATION OF STEEL PIPE

IN CONCEALED SPACE IS

NOT RESTRICTED

SEE NOTE 2

INSTALLATION NOTES:

1. DISTANCE EVALUATED AS PART OF THE cULus LISTING: 12 in. TO 60 in. (300 mm TO 900 mm). NFPA 13 PERMITS INSTALLATION OF

THE SPRINKLER WHERE THIS DISTANCE IS LESS THAN 12 in. (300 mm).

2. DEFLECTOR TO BE NO MORE THAN 2 in. (50 mm) MAXIMUM BELOW BOTTOM OF TOP CHORD. IN NO CASE SHALL DEFLECTOR BE

ABOVE THE BOTTOM OF THE TOP CHORD.

3. INSTALL SPRINKLER WITH FRAME ARMS PARALLEL TO PIPE.

HYDRAULIC DESIGN AREA REQUIREMENTS

1. WET OR DRY SYSTEM: WHERE DRAFT CURTAINS (OR FULL HEIGHT WALLS) ARE PROVIDED AT MAXIMUM AREAS OF 1000 ft

(93 m

)

OR LESS, CALCULATE ALL SPRINKLERS WITHIN THE COMPARTMENTED AREA.

2. WET SYSTEM: WHERE DRAFT CURTAINS OR FULL HEIGHT WALLS ARE NOT PROVIDED, OR PROVIDED AT AREAS EXCEEDING 1000 ft

(93 m

), CALCULATE AN AREA OF 1000 ft

(93 m

) OR SIX SPRINKLERS, WHICHEVER CREATES THE GREATER DEMAND.

3. DRY SYSTEM: WHERE DRAFT CURTAINS OR FULL HEIGHT WALLS ARE NOT PROVIDED, OR PROVIDED AT AREAS EXCEEDING 1000 ft

(93 M

), CALCULATE AN AREA OF 1000 ft

(93 m

) OR NINE SPRINKLERS, WHICHEVER CREATES THE GREATER DEMAND.

4-1/2 in. (114 mm) MINIMUM FROM

CENTERLINE OF SPRINKLER TO

FACE OF TOP CHORD OF WOOD

TRUSS OR BAR JOIST

NOTE 3

SPRINKLER SPACING AND COVERAGE AREA

A. 16 ft (4.9 m) MAXIMUM BETWEEN SPRINKLERS

B. 6 ft (1.8 m) MINIMUM BETWEEN SPRINKLERS

C. 256 ft

(23.8 m

) MAXIMUM COVERAGE AREA PER SPRINKLER

Figure 3

Unobstructed Wood Truss or Bar Joist, Steel Pipe

Draft Curtains: Optional

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CEILING

FULL DEPTH BLOCKING OF SAME MATERIAL AS JOIST

(OR OTHER NONCOMBUSTIBLE MATERIAL).

MAXIMUM 32 ft (9.75 m) BETWEEN ROWS OF BLOCKING. UPPER

DECK

SEE NOTE 1

AND 1A

SEE NOTE 2

6 in. (150 mm) OR

1/3 DEPTH OF SPACE

(WHICHEVER IS GREATER)

MINIMUM 1/4 in. PLYWOOD

DRAFT CURTAIN AT MAXIMUM

31 ft (9.45 m) SPACING

LOCATION OF STEEL PIPE

IN CONCEALED SPACE IS

NOT RESTRICTED

4-1/2 in. (114 mm) MINIMUM FROM

CENTERLINE OF SPRINKLER TO

FACE OF WOOD TRUSS OR

TOP CHORD OF BAR JOIST

INSTALLATION NOTES:

1. DISTANCE EVALUATED AS PART OF THE cULus LISTING: 12 in. TO 60 in. (300 mm TO 1500 mm). NFPA 13 PERMITS INSTALLATION OF THE

SPRINKLER WHERE THIS DISTANCE IS LESS THAN 12 in. (300 mm).

1A. WHERE CEILING IS NOT SUPPORTED BY JOISTS (EXAMPLE: SUSPENDED A.C.T.) MEASUREMENT POINT IS TOP OF CEILING.

2. DEFLECTOR DISTANCE BELOW BOTTOM OF JOIST TO 1-1/2 in. TO 4 in. (38 mm TO 100 mm) BELOW BOTTOM OF TOP CHORD. IN NO

CASE SHALL DEFLECTOR BE ABOVE THE BOTTOM OF THE TOP CHORD.

3. INSTALL SPRINKLER WITH FRAME ARMS PARALLEL TO PIPE.

HYDRAULIC DESIGN AREA REQUIREMENTS

1. WET OR DRY SYSTEM: BLOCKING AND DRAFT CURTAINS (OR FULL HEIGHT WALLS) MUST BE PROVIDED AT 1000 ft2(93 m2) MAXIMUM AREAS.

CALCULATE ALL SPRINKLERS WITHIN THE COMPARTMENTED AREA.

NOTE 3

SPRINKLER SPACING AND COVERAGE AREA

A. 14 ft (4.3 m) MAXIMUM BETWEEN SPRINKLERS

B. 6 ft (1.8 m) MINIMUM BETWEEN SPRINKLERS

C. 196 ft2(18.2 m2) MAXIMUM COVERAGE AREA PER SPRINKLER

Figure 4

Obstructed Wood Truss or Bar Joist, Steel Pipe

Draft Curtain and Blocking: Required at 1000 Ft2(93 m2)

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6 in. [150 mm]

MAXIMUM

OBSTRUCTION

CEILING

NONCOMBUSTIBLE INSULATION, SECURED ABOVE

SPRINKLERS WITH WIRE NETTING OR EQUIVALENT

UPPER

DECK

SEE NOTE 2

PIPE SHALL BE LOCATED A MAXIMUM OF 6 in. (150 mm)

ABOVE THE TOP OF THE CEILING (OR INSULATION), OR

A MAXIMUM OF ONE-THIRD (1/3) THE DEPTH OF THE

CONCEALED SPACE ABOVE THE TOP OF THE CEILING,

WHICHEVER IS SMALLER.

SEE NOTE 1

WHEN OFFSETTING CPVC PIPE OVER

OBSTRUCTION, A CCS SPRINKLER MUST BE

INSTALLED DIRECTLY ON THE PIPE OVER THE

OBSTRUCTION.

INSTALLATION NOTES:

1. DISTANCE EVALUATED AS PART OF THE cULus LISTING: 12 in. TO 36 in. (300 mm TO 900 mm). NFPA 13 PERMITS INSTALLATION OF

THE SPRINKLER WHERE THIS DISTANCE IS LESS THAN 12 in. (300 mm).

2. DEFLECTOR DISTANCE BELOW BOTTOM OF JOIST TO 1-1/2 in. TO 4 in. (38 mm TO 100 mm) BELOW BOTTOM OF TOP CHORD. IN NO

CASE SHALL DEFLECTOR BE ABOVE THE BOTTOM OF THE SOLID OR COMPOSITE WOOD JOIST.

3. INSTALL SPRINKLER WITH FRAME ARMS PARALLEL TO PIPE.

NOTE 3

HYDRAULIC DESIGN AREA REQUIREMENTS

1. WET SYSTEM: DRAFT CURTAINS (OR FULL HEIGHT WALLS) MUST BE PROVIDED AT 1000 ft

(93 m

) MAXIMUM AREAS. CALCULATE

ALL SPRINKLERS WITHIN THE COMPARTMENTED AREA.

2. ADDITIONAL SPRINKLERS THAT ARE REQUIRED FOR PROTECTION OF CPVC PIPING THAT IS OFFSET OVER AN OBSTRUCTION DO

NOT NEED TO BE INCLUDED IN THE DESIGN AREA.

SPRINKLER SPACING AND COVERAGE AREA

A. 16 ft (4.9 m) MAXIMUM BETWEEN SPRINKLERS

B. 6 ft (1.8 m) MINIMUM BETWEEN SPRINKLERS

C. 256 ft

(23.4 m

) MAXIMUM COVERAGE AREA PER SPRINKLER

Figure 5

Solid Wood or Composite Wood Joist Filled with Non-Combustible Insulation, CPVC Pipe

Draft Curtains: Required at 1000 Ft2(93 m2)

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CEILING

FULL DEPTH BLOCKING OF SAME MATERIAL AS JOIST

(OR NONCOMBUSTIBLE MATERIAL). MAXIMUM 32 ft (9.75 m)

BETWEEN ROWS OF BLOCKING.

UPPER

DECK

SEE NOTE 1

AND 1A

SEE NOTE 2

6 in. (150 mm) OR

1/3 DEPTH OF SPACE

(WHICHEVER IS GREATER)

MINIMUM 1/4 in. PLYWOOD

DRAFT CURTAIN AT MAXIMUM

31 ft (9.45 m) SPACING

LOCATION OF STEEL PIPE

IN CONCEALED SPACE IS

NOT RESTRICTED

NOTE 3

INSTALLATION NOTES:

1. DISTANCE EVALUATED AS PART OF THE cULus LISTING: 12 in. TO 36 in. (300 mm TO 900 mm). NFPA 13 PERMITS INSTALLATION OF THE

SPRINKLER WHERE THIS DISTANCE IS LESS THAN 12 in. (300 mm).

1A. WHERE CEILING IS NOT SUPPORTED BY JOISTS (EXAMPLE: SUSPENDED A.C.T.) MEASUREMENT POINT IS TOP OF CEILING.

2. DEFLECTOR DISTANCE BELOW BOTTOM OF JOIST TO 1-1/2 in. TO 4 in. (38 mm TO 100 mm) BELOW BOTTOM OF TOP CHORD. IN NO

CASE SHALL DEFLECTOR BE ABOVE THE BOTTOM OF THE SOLID OR COMPOSITE WOOD JOIST.

3. INSTALL SPRINKLER WITH FRAME ARMS PARALLEL TO PIPE.

HYDRAULIC DESIGN AREA REQUIREMENTS

1. WET OR DRY SYSTEM: BLOCKING AND DRAFT CURTAINS (OR FULL HEIGHT WALLS) MUST BE PROVIDED AT 1000 ft

(93 m

)

MAXIMUM AREAS. CALCULATE ALL SPRINKLERS WITHIN THE COMPARTMENTED AREA.

SPRINKLER SPACING AND COVERAGE AREA

A. 14 ft (4.3 m) MAXIMUM BETWEEN SPRINKLERS

B. 6 ft (1.8 m) MINIMUM BETWEEN SPRINKLERS

C. 196 ft

(18.2 m

) MAXIMUM COVERAGE AREA PER SPRINKLER

12 in. (300 mm)

MAX JOIST

DEPTH

Figure 6

Solid Wood Joist (Non-Filled), Steel Pipe

Draft Curtain and Blocking: Required at 1000 Ft2(93 m2)

P/N 9999970449

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CEILING

UPPER

DECK

SEE NOTE 1

AND 1A

SEE NOTE 2

LOCATION OF STEEL PIPE IN

CONCEALED SPACE IS NOT

RESTRICTED

NONCOMBUSTIBLE INSULATION, SECURED ABOVE

SPRINKLERS WITH WIRE NETTING OR EQUIVALENT

NOTE 3

INSTALLATION NOTES:

1. DISTANCE EVALUATED AS PART OF THE cULus LISTING: 12 in. TO 36 in. (300 mm TO 900 mm). NFPA 13 PERMITS INSTALLATION OF THE

SPRINKLER WHERE THIS DISTANCE IS LESS THAN 12 in. (300 mm).

1A. WHERE CEILING IS NOT SUPPORTED BY JOISTS (EXAMPLE: SUSPENDED A.C.T.) MEASUREMENT POINT IS TOP OF CEILING.

2. DEFLECTOR DISTANCE BELOW BOTTOM OF JOIST TO 1-1/2 in. TO 4 in. (38 mm TO 100 mm) BELOW BOTTOM OF TOP CHORD. IN NO

CASE SHALL DEFLECTOR BE ABOVE THE BOTTOM OF THE SOLID OR COMPOSITE WOOD JOIST.

3. INSTALL SPRINKLER WITH FRAME ARMS PARALLEL TO PIPE.

HYDRAULIC DESIGN AREA REQUIREMENTS

1. WET OR DRY SYSTEM: BLOCKING AND DRAFT CURTAINS (OR FULL HEIGHT WALLS) ARE NOT REQUIRED. CALCULATE A MINIMUM

HYDRAULIC DESIGN AREA OF 1000 ft2(93 m2).

SPRINKLER SPACING AND COVERAGE AREA

A. 16 ft (4.9 m) MAXIMUM BETWEEN SPRINKLERS

B. 6 ft (1.8 m) MINIMUM BETWEEN SPRINKLERS

C. 256 ft2(23.4 m2) MAXIMUM COVERAGE AREA PER SPRINKLER

Figure 7

Solid Wood or Composite Wood Joist (Filled), Steel Pipe

Draft Curtain and Blocking: Not Required

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