Contract procedures for building works - Part C: General technical specifications for building works; gas, water and sewage plumbing works inside of buildings— 15 стр.
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 11: Sampling of waste water (A 11)— 15 стр.
Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 1: Vulcanized rubber; German version EN 681-1:1996 + A1:1998 + A2:2002 + AC:2002— 24 стр.
Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 3: Cellular materials of vulcanized rubber; German version EN 681-3:2000 + A1:2002— 17 стр.
Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow - Technical rule of the DVGW; German version EN 1717:2000— 48 стр.
Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and user; German version EN 12056-5:2000— 10 стр.
Welding - General tolerances for welded constructions - Dimensions for lengths and angles; shape and position (ISO 13920:1996); German version EN ISO 13920:1996— 7 стр.