Cleaning service for all premises of the Gran Telescopio Canarias (GTC) at the Roque de los Muchachos Observatory in Garafia, La Palma

This tender is for a cleaning service covering all premises of the Gran Telescopio Canarias (GTC), located at the Roque de los Muchachos Observatory in Garafia on the island of La Palma, at an altitude of approximately 2,300 metres above sea level. The contracting body is the Direccion General del Gran Telescopio de Canarias, S.A. The estimated value of the contract is 84,000 EUR. The tender, identified under reference GLIC_26_012, is currently in the published stage.

Description

1 open tender right now

• Research, tests and scientific-technical simulators - Supply of a scientific instrument for the GTC capable of obtaining imaging and spectroscopy observations covering, in both modes and simultaneously, the visible and near-infrared range (OPTIR project) No deadline published

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Change history

Every time an official source republished this notice with different content. We watch every source we index, including regional copies of the same notice.

1. 21 Sep 2026 Read before bidding
   • Scope and criteria: The description was shortened. Re-read it before you bid.
2. 28 Aug 2026 Read before bidding
   • Submission deadline: Extended by 17 days: now September 14, 2026, 21:59

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Market context

Avg. open tender · Environment, sewage & cleaning

€9,346,228

5,275 open across Europe right now 99% below sector average

Buyer track record on Aperlena

10 notices tracked · 4 awarded

€5,270,522 in awarded contracts