This contract involves the maintenance and renewal of small civil engineering waterworks such as weirs, inlet structures, and revetments. The focus is on efficiently and sustainably carrying out both planned and emergency work, with attention to collaboration, environmental impact, and social implic
Tender closed on 2 Feb 2026. Awaiting award.
No single supplier dominates the field.
In engineering, WATER AUTHORITY DE STICHTSE RIJNLANDEN has awarded 4 contracts to 4 suppliers.
Across engineering, the most active winners are AECOM LTD, WSP UK LIMITED, OVE ARUP PARTNERS LIMITED — the field to beat, or your route in as a partner.
Hoogheemraadschap De Stichtse Rijnlanden (HDSR) is seeking a contractor to perform inspection services in accordance with NEN-3140 standards. The contract includes: • Inspections of all installations and electrical tools within the Water Management and Purification departments. • Conducting thermogr
This contract involves performing electrical and control work, as well as troubleshooting issues. These tasks are related to the operations of the HDSR departments for Purification and Water Management and will take place at various locations. For the Purification department, the indicative value is
This contract opportunity involves providing groundwater monitoring services, which include the following key tasks: 1. Supplying data from telemetric measuring equipment; 2. Conducting fieldwork, including the management and maintenance of existing monitoring wells and measuring equipment, as well
Establish a strategic partnership framework with 2 suppliers to deliver specialized expertise, independent assurance, and innovation in support of major programmes and operational excellence.
Arboricultural survey needed at Woodside Day Centre on White Hart Lane to assess tree health, safety, and maintenance requirements.
Conduct an arboricultural survey to evaluate trees and vegetation at Queen Street/Bull Lane Playing Field in N17 as part of the London Construction Programme.
Professional services required to deliver a 13-month integrated catchment management and community engagement project combining environmental assessments, education, citizen science monitoring, and habitat restoration in Carndonagh, Co. Donegal.
