This standard provides the field installation guidelines for buried steel water pipe, 4 in. (100 mm) and larger, and their appurtenances. The standard is intended to cover typical construction practices that are deemed adequate for the satisfactory installation of steel water pipe and appurtenances. Installations that require special attention, techniques, and materials are not covered, including 1. Piping through rigid walls. 2. Piping on supports above or below ground. 3. Piping requiring insulation. 4. treatment plant or pump station piping. 5. Industrial piping. 6. Piping through geologically hazardous areas. 7. Piping in high density stray current environments. 8. Piping through corrosive soil. 9. Piping through unstable soil. 10. Piping subjected to excessive loads.