Research into Wire Casualties and Effectiveness of Hawk Eye Wire Markings Connection Vierverlaten Ens 380 Kv

Netherlands has announced a tender invitation for the Research into Wire Casualties and Effectiveness of Hawk Eye Wire Markings Connection Vierverlaten Ens 380 Kv, aimed at improving structural stability and addressing erosion concerns in the tender area. The tender is situated in Netherlands, and it represents a key infrastructure initiative designed to enhance safety and environmental resilience. The tender is scheduled to close on 15 Sep 2026, giving interested contractors ample time to review requirements and submit their bids. The official tender notice number is not specified, while the WWW Reference Number is 13222010. Eligible bidders and organizations are encouraged to access the detailed tender documents and specifications to gain comprehensive information about project scope, eligibility criteria, and submission procedures.To download the complete tender documents, bidders are required to register on the website.

Tender Details

Title	Research into Wire Casualties and Effectiveness of Hawk Eye Wire Markings Connection Vierverlaten Ens 380 Kv
WWT Ref No	13222010
Tender No	594402-2026
Country	Netherlands
Financer Name	Self-Funded
Summary	Contract Notice Research into Wire Casualties and Effectiveness of Hawk Eye Wire Markings Connection Vierverlaten Ens 380 Kv Notice Type Contract or concession notice standard regime Description For the Vierverlaten Ens 380 kV Connection project VVL ENS380 research must be carried out into the effectiveness of Hawk Eye new form of wire marking see this link to article on TenneT website and updating key figures for wire casualties per type Both are required for the permit granting of the project but must also be applicable across TenneT for other line projects Research data from 1987 is currently used to determine the number of wire casualties under high voltage connections These data no longer correspond to the current situation and do not provide an adequate basis to carefully substantiate the ecological impact of high voltage infrastructure This creates uncertainty about the extent of the effects on bird populations and about the effectiveness of any mitigation measures The intended research therefore has two related objectives First of all a current baseline measurement is carried out to gain insight into the number of wire casualties under and in the immediate vicinity of the existing 220 kV high voltage connection between Vierverlaten and Ens The effectiveness of mitigation measures is then examined by applying them to selected masts and conductors and monitoring the results An important part of the research concerns the assessment of the effectiveness of different types of bird markings Within the organization there is a preference for the use of the Hawk Eye wire marking as a mitigating measure However there is currently no scientific substantiation of its effectiveness under Dutch conditions for broader implementation The research should therefore provide the knowledge base necessary to make well founded choices about the use of this measure and to demonstrate its contribution to reducing wire casualties Deadline for receipt of requests to participate 2026 09 15 10 00 00 00 00 Main nature of the contract Services OJ S issue number 166 2026 Disclaimer The above text is machine translated For accurate information kindly refer the original document

Deadline *

Deadline

15 Sep 2026

Publishing Date *

Publishing Date

27 Aug 2026

Tender Documents

Share your details and we’ll get in touch shortly.