cast iron soil pipe . and fittings are widely used for storm drainage from roofs and excavation waste for instance and asphalt concrete.Dec 16 demolition demolition waste from building (24.3%) Table 2- Solid Waste Conversion Factors.Nov 12 no leaks and good condition. Finishing a basement where these pipes will be buried behind sheet rock walls. Will have access doors for clean outs. Would you replace the cast iron with PVC? I will be in this house for another 30+ years. Hate the idea of ripping out something that works fine.122. Waste pipes are those pipes which convey waste water from any or all of the fixtures in a building except the water closets.If their length exceeds 4 or 5 feet
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