chapter 7
2015 MINNESOTA PLUMBING CODE59Part I Drainage Drainage Piping. Materials for drainage pipingshall be in accordance with one of the referenced standardsin Table except that:(1) Galvanized wrought-iron and galvanized steel pipeshall not be used underground and shall be kept notless than 6 inches (152 mm) aboveground.(2) ABS and PVC DWV piping installations shall beinstalled in accordance with applicable standards refer-enced in Table (3) No vitrified clay pipe or fittings shall be used above-ground or where pressurized by a pump or shall be kept not less than 12 inches (305 mm)belowground.(4) Copper tube for drainage and vent piping shall have aweight of not less than that of copper drainage tubetype DWV.(5) Stainless steel 304 pipe and fittings shall not beinstalled underground and shall be kept not less than 6inches (152 mm) aboveground.(6) Cast-iron soil pipe and fittings shall be listed and testedin accordance with standards referenced in Such pipe and fittings shall be marked withcountry of origin and identification of the originalmanufacturer in addition to markings required by refer-enced Drainage Fittings.
60 2015 minnesota plumbing code sanitary drainage material underground drain, waste, vent pipe and fittings aboveground drain, waste, vent pipe and fittings
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