... AWWA C-210 Bitumen Coating according to DIN30672, BS534 Coal- Tar Enamel Coating according to AWWA C-203 3 Layer polyethylene ... AWWA C-210 Bitumen Lining according to DIN30673, BS534 Coal-Tar Enamel Lining according to AWWA C-203 Cement Mortar Lining ...