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N.F.P.A. 13R. Justin Bohlmann FIR-204. What is NFPA 13R? Grandfather Clause Identification Types of Sprinkler Systems Wet-Pipe Dry and Pre-action Sprinkler Heads Upright Pendant Sidewall An Overview of The Sprinkler System Rated Pressure Temperature.

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n f p a 13r

N.F.P.A. 13R

Justin Bohlmann

FIR-204

table of contents
What is NFPA 13R?

Grandfather Clause

Identification

Types of Sprinkler Systems

Wet-Pipe

Dry and Pre-action

Sprinkler Heads

Upright

Pendant

Sidewall

An Overview of The Sprinkler System

Rated Pressure

Temperature

The use of reconditioned equipment

Post Indicator Valve

Protection from Hazards

Working Plans

Testing

Water Supply

Fire Department Connection

Water Flow Alarms

Where are Sprinklers Not Needed?

Maintenance

Source Page

Table of Contents
what is n f p a 13r
What is N.F.P.A 13R?
  • This standard covers the design and installation of Automatic Sprinkler Systems in residential occupancies up to and including four stories in height
grandfather clause
Grandfather Clause
  • 1.3 Retroactivity
    • Unless otherwise specified, the provisions of this standard shall not apply to facilities, equipment, structures, or installations that existed or were approved for construction or installation prior to the effective date of the standard
identification
Identification
  • Sprinkler Systems
  • Control, Drain, and Test Valves
    • Securing the Sign
    • What needs to be on the sign
types of sprinkler systems
Types of Sprinkler Systems
  • Wet Pipe
  • Pre-action
  • Dry Pipe
wet pipe
Wet Pipe
  • May be used were piping is installed in areas that can be reliably maintained at a temperature above 40 degrees Fahrenheit
dry and pre action
Dry and Pre-action
  • These systems are used when piping cannot be maintained at a temperature of 40 degrees Fahrenheit or greater
      • Where these systems are installed they shall be installed under N.F.P.A. 13 (The Standard for the Installation of Sprinkler Systems )
upright and pendant sprinkler heads
Upright and Pendant Sprinkler Heads
  • Heads that have not been listed with specific positioning criteria shall be positioned so that the deflectors are within 1in.-4in from the ceiling
  • Must be located 3 ft from obstructions
    • Center of obstruction to the center of the head
    • Where heads cannot be placed 3ft from an obstruction they shall be placed at either side of the obstruction
sidewall sprinkler heads
Sidewall Sprinkler Heads
  • Sidewall heads shall be located so that their deflectors are 4in.-6in. From the ceiling
  • Must be located 5 ft from obstructions
    • Center of obstruction to the center of the head
    • Where heads cannot be placed 5ft from an obstruction they shall be placed at either side of the obstruction
rated pressure
Rated Pressure
  • Manufacturers recommendations

for sprinkler heads

    • Follow unless they are less than
      • 175 psi for aboveground
      • 150 psi for underground
  • Piping
      • 175 psi
  • Fittings
      • 175 psi
temperature
Temperature
  • Sprinkler heads must be color coded in accordance with Table 5.1.1.5.1
    • Corrosion resistive heads
    • Recessed, flushed, or concealed sprinklers
    • Liquid in bulb-type sprinklers
reconditioned equipment
Reconditioned Equipment
  • Valves and Devices
  • Sprinkler Heads
protection
Protection
  • Corrosion
  • Freezing
  • Hazardous Areas
working plans
Working Plans
  • Must be approved by the AHJ
  • Changes from original plan must also be approved through the AHJ
  • These plans must provide:
    • Plan of each floor
    • Easily duplicated
working plans1
Working Plans
  • Indicate:
    • Name of owner and occupant
    • Location
    • Point of compass
    • Ceiling construction
    • Location of fire walls and partitions
    • Occupancy
    • Concealed spaces
working plans2
Working Plans
  • Indicate ( Con’t):
    • Areas where there are no sprinklers
    • Size of the city main
    • Make and manufacture's of the sprinklers
    • Number of sprinklers
    • Location of alarm bells
    • All control valves and connections
    • Underground piping
    • Name and address of contractor
testing
Testing
  • Installer must perform all required tests prior to submitting request for approval
  • The AHJ is required to be present during the conduction of testing for approval
  • Hydrostatic Pressure
water supply
Water Supply
  • Every system must have at least one automatic supply of water and it must be able to supply a system demand for at least 30 min.
  • If a fire pump is installed it must be installed under NFPA 20 The Standard for the Installation of Stationary Pumps for Fire Protection
fire department connection fdc
Fire Department Connection (FDC)
  • At least one fire department connection shall be provided for buildings that exceed 2000 square ft
  • They must be:
    • At least 1 ½ in orifice size
    • Must be labeled for what building or area it covers or protects
sprinkler head specifications
Sprinkler Head Specifications
  • If a sprinkler is to be located in an area with a temperature less than 100 degrees Fahrenheit the head shall be an ordinary temperature rated sprinkler
  • If the temperature exceeds 101 degrees Fahrenheit then an intermediate-rated sprinkler must be used
sprinkler head specifications1
Sprinkler Head Specifications
  • Sprinklers located under direct sunlight or in unventilated areas such as attics or storage closets, shall be of an intermediate temperature classification
water flow alarms
Water Flow Alarms
  • An alarm shall be installed to notify the occupants of a water flow in the building
  • If the building is maintained by an Automatic Fire Detection System the water flow alarm shall be connected to the system
where are sprinklers not needed
Where are Sprinklers not Needed?
  • In Bathrooms which do not exceed 55ft
  • In closets, and pantries under the following conditions:
    • The area does not exceed 24ft.
    • The walls and ceilings are surfaced with noncombustible or limited combustible materials
  • Porches, Balconies, or stairs that are open and attached
maintenance
Maintenance
  • The owner shall be required for the maintenance and the condition of the sprinkler system and shall keep it in normal condition
  • Systems shall be inspected, tested, and maintained under the direction of NFPA 25 The standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems
sources
Sources
  • N.F.P.A 13R The Standard For The Installation of Sprinkler Systems in Residential Occupancies up to and Including Four Stories in Height
  • N.F.P.A. Handbook Sec. 10 Ch. 11 Pg. 185 Automatic Sprinkler Systems