Page 19 - CPVC Fire Sprinkler Products Installation Instructions & Technical Handbook

LISTINGS & APPROVALS 17
not be used in combination with other thermoplastic piping systems unless specifically listed for use in Dry Pipe Systems. Combining with steel or copper piping systems is permitted, where applicable.
• The pipe and fittings shall be protected (concealed) in accordance with the specifications outlined in the CPVC Installation Handbook (IH-1900).
• Exposed pipe and fittings have not been evaluated.
• Minimum use temperature shall be -20°F (-29°C).
• 3/4 in. to 3 in. pipe and fittings are listed for these applications and are 2 to be assembled with TFP-500 or TFP-600 One Step Solvent Cement.
• In-service system Air Pressure shall be maintained at a maximum of 15 psi (1 bar).
• Pipe friction loss shall be calculated in accordance with the Hazen-Williams formula using a C value of 150.
• Air supply to the TYCO CPVC Pipe and Fittings shall be free of oil and oil vapor. Automatic air compressors shall be of an oil-less type or the air shall be treated to assure oil or oil vapor is not introduced into the piping.
Hazard Residential Light
Table A Residential Dry Pipe System Water Delivery
Number of
Most Remote Sprinklers Initially Open
1
1
Maximum Time of Water Delivery
Air Plenums (UL)
15 Seconds 60 seconds
TYCO CPVC Pipe and Fittings are UL Listed for use in air plenums. TYCO CPVC Pipe and Fittings comply with UL1887 combustibility requirements for thermoplastic sprinkler pipe as described in the Standard for Installation of Air Conditioning and Ventilating Systems, NFPA 90A, and various model mechanical codes. TYCO CPVC Pipe and Fittings may be installed in the plenum adjacent to, but not over, an opening in the ceiling such as ventilation grills. Return Air Plenum installations may only be made with UL Listed TYCO CPVC Pipe and Fittings and require the use of Schedule 80 fittings when sizes are 1 1/2 in. (DN40) and larger.
Garage Installations (UL)
Garage Installation Specifications shall only apply for the installation of UL Listed TYCO CPVC Pipe and Fittings in garages requiring sprinkler protection per NFPA 13D and NFPA 13R. These Standards are defined in NFPA codes entitled “One and Two Family Dwellings and Mobile Homes” and in “Residential Occupancies up to Four Stories in Height”. As referenced in NFPA 13D:(2007) Section 8.6.4, “Sprinklers are not required in garages, open attached porches, carports or similar structures.” The installation of TYCO CPVC Pipe and Fittings for use in garages requiring sprinkler protection per NFPA 13R is only applicable to the UL Listing of this product.