Specifications include, but are not limited to: Purchase and delivery of Ductile Iron Pipe, Fittings, Couplings, Pipe Restraints, and Grip Rings; Ductile Iron Fittings Groups 1-7: shall be Tyler or Sigma. They shall conform to AWWA specification C-110-71 and C-104-71. Fittings shall have full holes on MJ flange. Flange kits shall be Tyler or Romac only. Flange fittings shall have a minimum 250 pressure rating. MJ shall have a 350 rating. Couplings Group 8: Couplings shall be Hymax long body only. Group 9: Couplings shall be Romac only. MJ Pipe Restraints Group 10: Pipe Restraints shall be Romac RomaGrip. Grip Rings Group 11: Grip Rings shall be Romac GripRing Accessory Packs. Repair Clamps Group 12: Repair Clamps shall be Romac or Ford. Saddles Group 13: Repair Clamps shall be Romac with flat band, bar style will not be accepted. Valve Cans Group 14: Valve Cans to be Tyler or approved substitution. Ductile Iron Pipe Group 15 shall be Class 50 with Titan joint.