All CPVC fire sprinkler pipe shall be manufactured from a Type IV, Grade I Chlorinated Polyvinyl Chloride (CPVC) compound with a Cell Classification of 23547 per ASTM D1784. Pipe shall be manufactured in strict compliance with ASTM F442 to SDR 13.5 dimensions, consistently meeting the Quality Assurance test requirements of this standard with regard to material, workmanship, burst pressure, flattening, and extrusion quality. All CPVC fire sprinkler pipe shall be Listed by Underwriters Laboratories for wet pipe systems, and shall carry a rated working pressure of 175 psi @ 150°F. All CPVC fire sprinkler pipe shall be installed in accordance with Georg Fischer Harvel LLC CPVC Fire Sprinkler Piping Products Installation Instructions. National Fire Protection Association (NFPA) Standards 13, 13D, and 13R must be referenced for design and installation requirements in conjunction with the Installation Instructions. All CPVC fire sprinkler pipe shall be manufactured in the USA by an ISO 9001 certified manufacturer and shall be FM and LPCB approved. All CPVC fire sprinkler pipe shall be packaged immediately after its manufacture to prevent damage and shall be stored indoors after production, at the manufacturing site, until shipped from factory. This pipe shall bear the logo of the listing agencies, and shall carry the National Sanitation Foundation (NSF) seal of approval for potable water applications. All CPVC fire sprinkler pipe shall be GF Harvel BlazeMaster® pipe as manufactured by Georg Fischer Harvel LLC.