In 2017, Klamflex supplied large-diameter Dismantling Joints and Dedicated Flange Adaptors for the Strategic Tunnel Enhancement Programme (STEP) project in the UAE. Delivered for ADSSC (Abu Dhabi Sewerage Services Company), with Passavant, Drake & Skull as contractors, the project included fittings ranging from DN900 to DN2000, rated PN16, supporting critical wastewater infrastructure in Abu Dhabi.