The Al Wakrah Bypass: DSI Middle East supplies DYWIDAG Strand Post-Tensioning Systems for an important Connecting Road

Currently, the Wakrah Bypass Project is being built west of the harbor city of Al Wakrah south of Doha, Qatar. A new, 11km long expressway with five lanes per direction is being built for the new bypass.

The project includes five large intersections as well as access roads to important connecting roads. The new road will enhance the link between Doha and Mesaieed and ensure an efficient connection with the New Hamad International Airport and the Hamad Port, which was opened in December 2016.

The five intersections also include 20 bridges with average lengths of 120-150m. The longest bridge is the 220m long bridge No. 04 at the 11B Interchange. The bridge structures were tensioned using DYWIDAG Post-Tensioning Systems.

For this project, DSI Middle East supplied DYWIDAG Strand Post-Tensioning Systems with 1,100 Type MA 6837 and MA 6831 Multiplane Anchorages. Furthermore, the company supplied high quality corrugated DYWIDAG GDP Ducts made of HD-PP that provide excellent corrosion protection for the total of 2,770t of strand that were used in the project.


Ashghal - Public Works Authority, Qatar

General Contractor

Larsen & Toubro Ltd., Qatar

Consulting Engineers

WSP, Qatar


CH2M HILL, Inc., Qatar


DSI Middle East, Qatar


Supply, installation, technical support, supervision


DYWIDAG Strand Post-Tensioning Systems with 1,100 Type MA 6837 and MA 6831 Multiplane Anchorages, 72,000m of Type GDP corrugated plastic duct, total tonnage = 2,770t

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