Sump-Pump System for storm water drainage. Installed in the basement. How it looks like?

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Walk around the basement structure, where the storm drainage pipes (foundation weeping tile, window well drainage, ex.downspouts ) are connected to a sump-pump system. In Toronto, most of the houses which are 50+ years old, have 4" inch clay pipe storm drainage system. The old system usually enters the basement and was connected to sanitary drain inside the basement.