Source: https://tendernation.io/opportunities/01a140ab-c277-726b-810f-a71d454880ff/jordan-works-for-complete-or-part-construction-and-civil-engineering-work-de closed JOR open procedure # Works for complete or part construction and civil engineering work – Design Build and Operate (DBO) of the Wadi Zarqa Wastewater Treatment Plant Phase 1 [Water Authority of Jordan (WAJ)](https://tendernation.io/buyers/water-authority-of-jordan-waj) Estimated value Not stated Published 23 Oct 2025 Deadline Closed 29 Dec 2025 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Wadi Zarqa WWTP, based on current flow projections, is planned to be implemented in two phases: Phase 1 aims to achieve a wastewater treatment of 150,000 m3/day by 2030. Phase 2 is planned to add additional capacity of 200,000 m3/day to Phase 1, achieving a total project capacity of 350,000 m3/day by 2034-2035. The project scope, is for the Design, Build and Operate of the Phase 1 of Wadi Zarqa Wastewater Treatment Plant (WWTP) and associated facilities. The project scope includes but is not limited to the design, permitting, supply, delivery, construction, commissioning, operation, maintenance and transfer of the Wadi Zarqa WWTP, with a Phase 1 treatment capacity of 150,000 m3/d, an approximately 1.4 MW hydropower plant, the conveyance system from the West Zarqa Pump Station (WZPS) to Wadi Zarqa WWTP including 12 km of pipeline with a diameter to be confirmed (estimated at up to 1,600 mm), as well as the expansion of the pre-treatment facility at WZPS. ## CPV classification Works for complete or part construction and civil engineering work Source Tenders Electronic Daily (EU) · Notice 699450-2025 [View official notice](https://ted.europa.eu/en/notice/699450-2025) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Water Authority of Jordan (WAJ): past awards and live tenders](https://tendernation.io/buyers/water-authority-of-jordan-waj) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Hdc-1714 wadkins pavilion refurbishment · Harborough District Council · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a155bf-f664-72f9-9823-a85d6cddbdc6/hdc-1714-wadkins-pavilion-refurbishment) [Design, supply, and Installation of Newbiggin Skatepark Extension · Newbiggin Town Council · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15552-19a2-7348-a5cc-3f5ae51ef934/design-supply-and-installation-of-newbiggin-skatepark-extension) [Tender for the design, supply, delivery and installation of a modular UNIT and associated works at ARC healthy living, irvinestown. peaceplus funded upgrade works · Fermanagh and Omagh District Council · 14 days left · 2 Nov 2026](https://tendernation.io/opportunities/01a15552-1b74-73ec-a6f6-a1af37959997/tender-for-the-design-supply-delivery-and-installation-of-a-modular-unit-and-a) [ESPH AB RDC Sidley Depot (ESPH753) · Rother District Council · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a15552-1d19-7155-8fe0-0d917105fca8/esph-ab-rdc-sidley-depot-esph753) [Demolition, Design and Construction of Howard's Lane Public Toilets, Howard's Lane, Wareham · Wareham Town Council · 88 days left · 15 Jan 2027](https://tendernation.io/opportunities/01a15552-1d8a-7277-bc5b-edc9a127ee5b/demolition-design-and-construction-of-howards-lane-public-toilets-howards-la)