Specifications include, but are not limited to: repairs and maintenance to an existing bulkhead and significant landscaping and hardscaping work to create a public waterfront park, and all work incidental thereto. ; 1. All piping shall be from virgin parent material. The pipe shall be homogeneous throughout and free from visible cracks, holes, foreign materials, blisters, deleterious wrinkles and dents. All pipe shall be National Sanitation Foundation (NSF) approved. 2. For all mainline piping 3” and over, use SDR 21 Class 200 gasketed PVC bell & spigot pipe. 3. For all other irrigation piping, use polyvinyl chloride (PVC) 1120 with a minimum class rating of 200, sized to maintain a maximum flow velocity of less than 5 ft. per second (FPS). 4. Outside diameter of pipe shall be the same as iron pipe. 5. Pipe shall be marked at intervals (not to exceed 5’) with the following information: Manufacturer’s name or trademark, nominal pipe size, schedule, PVC type and grade (i.e. PVC 1120), SDR rating class, working pressure at 73 degrees F. and NSF approval. 6. Caution should be utilized in handling Type I pipe due to the possibility of cracking or splitting when dropped or handled carelessly. 7. When connection is plastic to metal, male adapters shall be used. The male adapter shall be hand tightened, plus one turn with a strap wrench.