1. N.F.P.A. 13R
Justin Bohlmann
FIR-204

2. 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

3. 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

4. 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

5. Identification Sprinkler Systems Control, Drain, and Test Valves
Securing the Sign
What needs to be on the sign

6. Types of Sprinkler Systems
Wet Pipe
Pre-action
Dry Pipe

7. Wet Pipe
May be used were piping is installed in areas that can be reliably maintained at a temperature above 40 degrees Fahrenheit

8. 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 )

9. 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

10. 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

11. The Sprinkler System

12. 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

13. Temperature
Sprinkler heads must be color coded in accordance with Table
Corrosion resistive heads
Recessed, flushed, or concealed sprinklers
Liquid in bulb-type sprinklers

14. Reconditioned Equipment
Valves and Devices
Sprinkler Heads

15. Post Indicator Valve

16. Protection
Corrosion
Freezing
Hazardous Areas

17. 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

18. Working Plans Indicate: Name of owner and occupant Location
Point of compass
Ceiling construction
Location of fire walls and partitions
Occupancy
Concealed spaces

19. 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

20. 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

21. 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

22. 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

23. 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

24. 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

25. 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

26. 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

27. 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

28. 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