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Separate System. Soil vent pipe SVP. Nowadays most new systems are separate. The red pipe (foul) carries waste from the bath, basin, sink and WC. The blue pipe (storm) carries rainwater and surface water. House1. House 2. Gully. Inspection chamber - IC. Rainwater pipe - RWP.
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Separate System Soil vent pipe SVP Nowadays most new systems are separate. The red pipe (foul) carries waste from the bath, basin, sink and WC. The blue pipe (storm) carries rainwater and surface water. House1 House 2 Gully Inspection chamber - IC Rainwater pipe - RWP Inspection chamber - IC Storm sewer and foul sewer In road Manhole
Simple rest bend at foot of SVP – no need for a trap Shallow plastic inspection chamber Simple rest bend at foot of RWP – no need for a trap Access gully picks up waste from sink(s) Shallow clay inspection chamber Separate System – typical fittings