Contract Notice – General Guidelines, Standard Regulations Open Procedure (Construction Work) Engineering Structures_Ara Niederrad_Gw 110 - Special Civil Engineering (Around 65,000 M³ Of Earth Excavated Up To Approx. 11 M Below Sea Level) - Shoring (Sheet Piling + Secant Bored Pile Wall - Each With: Back Anchoring, Dsv Sealing Sole... More