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This Part 2 of EN 13566, read in conjunction with Part 1, specifies requirements and test methods for pipes and fittings which are part of plastics piping systems installed as continuous pipes in the renovation of nonpressure drainage and sewerage networks. It covers; -- homogeneous-wall (HW) pipes made of polyethylene (PE) or polypropylene (PP), -- structured-wall (SW) pipes of the corrugated double-wall type of construction as defined in Annex B,, whose structural layer(s) is (are) made of PE or PP, -- jointing of pipe lengths by means of butt fusion (HW) 1) or electrofusion (SW), -- fabricated and injection-moulded fittings made of PE, PP and poly(vinyl chloride) (PVC-U). NOTE The grouting procedure is outside the scope of this standard.