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How many at risk plumbing fixtures below the road surface are there: 5 (2 sinks,1 <br /> toilet,1 tub (could not get access to basement apt to verify, tenant not home). And 1 <br /> floor drain inside basement) <br /> How many down spouts are currently connected to the sewer: 2 <br /> Does side sewer have slope: Yes, 2% grade on side sewer <br /> Depth of side sewer 10ft from house: 10' <br /> Depth of side sewer at proposed B/W valve installation location: 8' <br /> Any additional comments: <br /> Most downspouts drain to the yard. <br /> Problems Identified <br /> 1) House side sewer is not protected by a backwater valve. During sewer surcharge <br /> events sewer flows could back up out of below ground fixtures. <br /> Solution: Install backwater valve at location specified on attached sewer and drainage <br /> sketch. <br /> 2) Sewer has 2 offsets at 66' and 74' that could cause a future blockage (not <br /> severe). <br /> tJ i,c(4IG z-eHA V1:,1✓11CI A ICI ,:Jr t.:::.r p- 063✓tJ oSJ'-v' d,t11111 <br /> cp <br /> $ <br /> t <br /> a <br /> a <br /> Offset at 74' <br />