Design, supply, construction & O&M of decentralised sewage treatment plant at Ansab Park – Nama Water Services tender T/OWW/T/10069/2026
تصميم وتوريد وإنشاء وتشغيل وصيانة محطة معالجة مياه صرف صحي لامركزية في حديقة الأنصب – مناقصة نماء لخدمات المياه رقم T/OWW/T/10069/2026
Local PTLCA-registered water-treatment contractors and package-STP suppliers can bid this design-build-operate decentralised STP at Ansab Park in Muscat; bids close 23 November.
| Type | Open tender |
|---|---|
| Status | Open – closes 23 Nov 2026 (32 days) |
| Country | Oman · Muscat (Ansab) |
| Client / owner | Nama Water Services |
| Announced | 15 Oct 2026 |
| Deadline | 23 Nov 2026 |
| Project type | Wastewater & sewage |
Trades and packages needed
- Water & wastewater treatment equipment (main package)
- MEP & process design engineering (main package)
- Mechanical erection & equipment installation (main package)
- Facility management & O&M services (main package)
- Concrete works (in-situ)
- Earthworks, excavation & site grading
- Process piping fabrication & welding
- Electrical & instrumentation (E&I) installation
- BMS, controls & SCADA
- Water, sewer & utility networks (incl. HDD)
- HVAC, pumps & mechanical equipment supply
What to do
Register with the client and request the tender documents before the deadline.