Small Sump Roof Drain
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EXPECTED USEFUL LIFE TABLE
www.commerce.wa.govRoof Drainage Interior (drain covers) 30 30 Replace Roof Structure 50+ 50+ Slab 50+ 50+ Service Doors 25 25 ... Sump Pump Residential 7 7 Replace Commercial 15 15 Replace motor ... DHW Storage Tanks Small (up to 150gals) 12 12 Replace Large (over 150gals) 7 …
Chapter 1 Introduction to Wastewater Management
efc.syr.eduInflow is water from a sump pump or a roof leader. This is relatively clean water that should be discharged to a storm water system. In some cases, homeowners in low lying areas connect sump pumps (illegally) to the sewer because it is relatively easy and inexpensive. In many communities, there are “combined sewers” that
Liquid storage Guidelines
www.epa.sa.gov.auThe sump should not be connected to stormwater or sewer drainage systems—it is only a collection point from which to pump out the liquid; there should not be any access to the stormwater system within the bund. Bund drain valves should not be installed, and pump controls should be located . 4