🚧 Fiberglass Pipes – Riyadh–Qassim Project 🇸🇦 Saudi Arabia Saudi Water Authority invites bids for Supply & Installation of Fiberglass Pipes for the Riyadh–Qassim Transportation System. 🏗️ Category: Pumping Station Construction Work 📅 Deadline: 29 Mar 2026 📌 GT Ref No: 127369934 👉 Major infrastructure opportunity for EPC & pipeline contractors.