Gas, water and sewage installation work inside buildings - DIN 18381

Delivery and installation of approx. 715 m drainage pipes, approx. 3,790 m drinking water pipes made of copper pipe incl. Insulation work, approx. 81 m fire water pipe made of copper pipe, approx. 155 sanitary objects incl. Fittings, accessories, approx. 100 piece shut-off valves, fittings for water , 1 piece fresh water heating system, connection and dismantling work.