Pipes and Fittings of Unplasticized Polyvinyl Chloride (Rigid PVC) with Plug Socket for Sewerage Pipes and Lines; Technical Conditions of Delivery— 5 стр.
Centrifugally cast and filled polyester resin glass fibre reinforced (UP-GF) pipes and fittings for buried drains and sewers; dimensions and technical delivery conditions— 24 стр.
Pipes and Fittings of Unplasticized Polyvinyl Chloride (Rigid PVC) with Plug Socket for Sewerage Pipes and Lines; Technical Conditions of Delivery— 5 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); land drainage— 6 стр.