Announcement - General Guideline, Standard Regulation Negotiating Procedure With Prior Publication Of A Call For The Competition/Negotiation Procedure (Construction Work) Pei_Erw. Expansion General Regulations For Construction Work Of All Kinds (Din 18 299); Contribution Work (Din 18 357); Flooring (Din 18 365); Screed Work (Din 18 353); Tile And Plate Work ... More