Underground Piping, Fire Line

Fire Suppression System Contractors

Individual or companies installing Underground Supply Lines from public water lines to system risers shall have at a minimum a Fire Suppression System Contractor with the Colorado, Division of Fire Prevention and Control.

Division of Fire Prevention and Control, Fire Suppression System Contractors

After completion of the installation it shall be the responsibility of the contractor to schedule an  Underground Piping Hydrostatic test and a flush. All breaks or major repairs will require a hydrostatic test and flush.
Underground Piping Hydro/Flush

NFPA 24: Standard for the Installation of Private Fire Service Mains and Their Appurtenances. (2019 ed.) shall be the standard for all Underground Fire Protection Systems within the City of Fountain

Table Manufacturing Standards for Underground Pipe

 Materials and Dimensions Standard
Ductile Iron
Cement-Mortar Lining for Ductile-Iron Pipe and Fittings AWWA C104/A21.4
Polyethylene Encasement for Ductile-Iron Pipe Systems AWWA C105/A21.5
Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings AWWA C111/A21.11
Flanged Ductile-Iron Pipe with Ductile-Iron or Gray-Iron Threaded Flanges AWWA C115/A21.15
Thickness Design of Ductile-Iron Pipe AWWA C150/A21.50
Standard for the Installation of Ductile Iron Water Mains and Their Appurtenances AWWA C600
Reinforced Concrete Pressure Pipe, Steel-Cylinder Type AWWA C300
Prestressed Concrete Pressure Pipe, Steel-Cylinder Type AWWA C301
Reinforced Concrete Pressure Pipe, Non-Cylinder Type AWWA C302
Reinforced Concrete Pressure Pipe, Steel-Cylinder Type, Pretensioned AWWA C303
Cement-Mortar Lining of Water Pipe Lines in Place, 4 in. (100 mm) and Larger AWWA C602
Polyvinyl Chloride (PVC) Pressure Pipe, 4 in. Through 12 in. (100 mm Through 300 mm), for Water Transmission and Distribution AWWA C900
Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 14 in. Through 48 in. (350 mm Through 1200 mm), for Water Transmission and Distribution AWWA C905
Polythylene (PE) Pressure Pipe and Fittings, 4 in. (100 mm) Through 63 in. (1575 mn) for Waterworks AWWA C906
Molecularly Oriented Polyvinyl Chloride (PVCO), 4 in. Through 24 in. (100 mm Through 600 mm) for Water, Wastewater, and Reclaimed Water Service AWWA C909
Specification for Seamless Red Brass Pipe, Standard Sizes ASTM B43
Specification for Seamless Copper Tube ASTM B75/B75M
Specification for Seamless Copper Water Tube ASTM B88
Requirements for Wrought Seamless Copper and Copper-Alloy Tube  ASTM B251
Stainless Steel
Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipe ASTM A312/312M

Table Steel Piping for Fire Department Connections

 Materials and Dimensions Standard
Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use ASTM A795/A795M
Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless ASTM A53/A53M
Standard Specification for Electric Resistance-Welded Steel Pip ASTM A135/A135M

Table Fittings Materials and Dimensions

Materials and Dimensions Standard
Cast Iron  
Gray Iron Threaded Fittings, Classes 125 and 250 ASME B16.4
Gray Iron Pip Flanges and Flanged Fittings, Classes 25, 125, and 250
ASME B16.1
Ductile Iron  
Ductile-Iron and Gray-Iron Fittings AWWA C110/A21.10
Ductile-Iron and Compact Fittings AWWA C153/A21.53
Malleable Iron  
Malleable Iron Threaded Fittings, Class 150 and 300 ASME B16.3