Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 2: Quality control and sampling (includes Amendment A1:1999); German version EN 295-2:1991 + A1:1999— 20 стр.
Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 3: Test methods (includes amendment A1:1998); German version EN 295-3:1991 + A1:1998— 20 стр.
Specification for vitrified clay pipes, fittings and ducts, also flexible mechanical joints for use solely with surface water pipes and fittings— 26 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.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); well sinking— 10 стр.