Source: https://tendernation.io/opportunities/01a140a9-6b33-72ef-9b16-0af2d4b26ddc/netherlands-sewer-survey-and-sewage-treatment-consultancy-services-a085342 closed NL open procedure # Sewer survey and sewage treatment consultancy services – A08.534.2025 Specialistisch riooladvies voor de gemeenten: Leiden - Leiderdorp - Oegstgeest [Gemeente Leiden](https://tendernation.io/buyers/gemeente-leiden) Estimated value €4,837,000 Published 4 Nov 2025 Deadline Closed 12 Jan 2026 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Het cluster Interne Dienstverlening en Advisering (IDA) van gemeente Leiden voert deze aanbestedingsprocedure uit. De gemeente Leiden treedt op als vertegenwoordiger van de Aanbestedende dienst voor de aanbestedende diensten: Gemeente Leiden, gemeente Leiderdorp en gemeente Oegstgeest. - Drie (3) gemeenten - € 4,8 mio. ex. btw. Aan deze getallen en bedragen kunnen geen rechten ontleend worden. ## CPV classification Sewer survey and sewage treatment consultancy services Structural engineering consultancy services Source Tenders Electronic Daily (EU) · Notice 729008-2025 [View official notice](https://ted.europa.eu/en/notice/729008-2025) 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 Gemeente Leiden: past awards and live tenders](https://tendernation.io/buyers/gemeente-leiden) [Sector More Sewage, refuse, cleaning & environmental tenders](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental) ## More tenders like this [Non-hazardous refuse and waste treatment and disposal services – (135/2026) Procedura aperta, ai sensi dell'0art. 71 del D.Lgs. n. 36/2023, con aggiudicazione secondo il criterio del minor prezzo , ai sensi dell'art. 108, comma 3 del D.lgs. n. 36/2023, per la scelta del contraente cui affidare il servizio, di ritiro vuoto per pieno, trasporto e avvio a recupero dei rifiuti misti dell'attività di costruzione e demolizione classificati codice E.E.R. 17.09.04, div · Gare Amiu Genova · 10 days left · 29 Oct 2026](https://tendernation.io/opportunities/01a156aa-01ac-732f-a0a5-ba900c7ea4b4/italy-non-hazardous-refuse-and-waste-treatment-and-disposal-services-13520) [Building-cleaning services – Neteja i desinfecció d'edificis i equipaments municipals. · Ajuntament de Tossa de Mar · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-63e8-7185-992a-0e5dc4502aee/spain-building-cleaning-services-neteja-i-desinfeccio-dedificis-i-equipamen) [Non-hazardous refuse and waste treatment and disposal services – CTTE1252 Servicio de tratamiento de tierras y escombros de los puntos limpios del Área Metropolitana de Barcelona (AMB) · Tractament I Seleccio de Residus, S.A. · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-6639-72de-8298-21950a4e3639/spain-non-hazardous-refuse-and-waste-treatment-and-disposal-services-ctte125) [Refuse disposal and treatment – Separace kovů ze škváry · SAKO Brno, a.s. · 37 days left · 25 Nov 2026](https://tendernation.io/opportunities/01a156a9-ca8b-71b6-a1e0-90da1abc58dc/czechia-refuse-disposal-and-treatment-separace-kovu-ze-skvary) [Refuse and waste related services – Odbiór i przyjęcie do zagospodarowania odpadów · Zakład Gospodarki Komunalnej i Mieszkaniowej w Koronowie Sp. z o.o. · 36 days left · 24 Nov 2026](https://tendernation.io/opportunities/01a156aa-0f0f-71bc-8b26-f13445721c21/poland-refuse-and-waste-related-services-odbior-i-przyjecie-do-zagospodarowa) [Refuse and waste related services – „Odbiór i zagospodarowanie odpadów komunalnych od właścicieli nieruchomości zamieszkałych na terenie Gminy Secemin od 1 stycznia do 31 grudnia 2027 r.” · Gmina Secemin · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a156a9-6441-73e1-b701-ab4cefc99281/poland-refuse-and-waste-related-services-odbior-i-zagospodarowanie-odpadow)