Procurement schedule 2026
The procurement schedule sets out the scheduled procurement procedures for the year 2026: European tenders and selected tender procedures.
Tendering procedure | Abbreviations |
| European tender | EA |
| National public tender | NO |
| Selected tender procedure | MV |
Name of tender | Description of order | Expected Publication Date | Procedure |
| Communication services | Framework Agreement for Communication Services | First quarter of 2026 | EA |
| Waste services | The collection, transportation, and processing of waste. | Second quarter of 2026 | EA |
| Workwear | Purchasing workwear and personal protective equipment | Second quarter of 2026 | EA |
| Accounting services | Framework agreement for accounting services | Second quarter of 2026 | EA |
| Construction and Assembly Insurance (CAR) | Taking out new construction and assembly insurance | Second quarter of 2026 | EA |
| ICT Hardware | Framework agreement for the supply of ICT hardware | Fourth quarter of 2026 | EA |
| Vehicle fleet leasing | Concluding contracts for leasing the vehicle fleet | EA | |
| Supply of nitrate sensors | Supplying nitrate sensors for the lake Lauwersmeer monitoring network | Second quarter of 2026 | MV |
| Purchase of two hydraulic cranes, north/south team | Supplying two hydraulic excavators and attachments | First quarter of 2026 | EA |
| Purchase of 1 broad-track crane | Supply agreement for 1 broad-track crane | Second quarter of 2026 | EA |
| Service and Maintenance for screenings-removoval systems | Framework agreement for service and maintenance of screenings removal systems | Second quarter of 2026 | MV |
| Brons engines maintenance | Maintaining Brons engines in use | Third quarter of 2026 | EA |
| Warehouse stocks | Supplying technical, electrical, and hydraulic products | First quarter of 2026 | EA |
| Replacement of hardware and terminals on weighbridge | Replacing hardware and terminals | Third quarter of 2026 | MV |
| Mechanical work AWK + WSWV | Framework Agreement Mechanical Work Wastewater Chain + Water Systems and Safety | Fourth quarter of 2026 | EA |
| Repair of biogas tank | Replacement of inner and outer balloon biogas holder | Second quarter of 2026 | MV |
| Testing, inspection, and repair of work equipment | Framework agreement for the testing, inspection, and repair of work equipment | First quarter of 2026 | EA |
| Purchase of flow meters | Framework agreement for the purchase and maintenance of flow meters | Third quarter of 2026 | EA |
| Rental Emergency Pumps | Agreement for the rental of temporary pumps for scheduled maintenance | Second quarter of 2026 | EA |
| Electricity | Framework agreement for electricity | Fourth quarter of 2026 | EA |
| Replacement of chemical dosing systems at Garmerwolde wastewater treatment plant | Replacement of chemical dosing systems | Second quarter of 2026 | MV |
| Heaters Garmerwolde wastewater treatment plant | Purchase of 4 heaters | First quarter of 2026 | MV |
| Hiring temporary pumping installation for Leek wastewater treatment plant | Supplying and installing a temporary pump installation for the Leek wastewater treatment plant | Second quarter of 2026 | EA |
| Purchase/installation of temporary office units | Supplying and installing temporary office units at 4 sites | second quarter of 2026 | MV |
| Fire, burglar, and emergency response system notification | Purchase of emergency response, fire, and burglar alarm systems for the Garmerwolde wastewater treatment plant | Second quarter of 2026 | MV |
| Restoration of the Aduarderzijl lockkeeper's house | Restoring the roof and facade of the lockkeeper's house | Second quarter of 2026 | MV |
| Clevering locks | Replacement of Clevering locks control system | Fourth quarter of 2026 | EA |
| Restoration of Veenhuizen Locks | Restoring the lock complex | First quarter of 2026 | MV |
| Contaminated dredging work Boterdiep | Dredging and removal of contaminated soil | Fourth quarter of 2026 | MV |
| WFD nature-friendly banks | Implementation of WFD measures; nature-friendly banks | Second quarter of 2026 | MV |
| Measures Spijksterpompen and Fivelingo Water Level Regulation Plan | Implementation of Water Level Regulation Plan measures | Second quarter of 2026 | NO |
| Sandebuur pumping station (Onlanden) | Renovation of the current pumping station | First quarter of 2026 | |
| Spijksterpompen structures | Implementation of Spijksterpompen Water Level Regulation Plan | Third quarter of 2026 | MV |
| Drilling of pressure pipe Roden-Boterdijk | Replacing existing inverted syphons with drilled pressure pipes Roden-Boterdijk | Second quarter of 2026 | MV |
| Plan Development and Implementation 8 Fish Passages | Resolving 8 fish migration bottlenecks | First quarter of 2026 | EA |
| Reinforcement of Hoornsedijk | Reinforcing the Hoornsedijk flood embankment | Second quarter of 2026 | MV |