The purpose of this tender is to establish a six-year framework agreement with operators who support Fluxys in the detection, inspection, and reporting of potential threats to the gas transmission pipeline network in Belgium (approximate annual flying distance: 200,000 km). The scope includes the aerial surveillance of, among others (non-exhaustive): • ongoing or recently completed third-party works (both announced and unannounced); • agricultural activities exceeding a depth of 50 cm, such as drainage installation, deep ploughing, drilling, and specific soil cultivation techniques; • changes in ground surface (e.g. erosion) that may affect pipeline coverage; • missing, damaged, or non-visible Fluxys markers. The tender is divided into four lots, each to be awarded to one operator. Overall, contracts will be concluded with a minimum of two and a maximum of three operators.

Lot 1: Fluxys Patroller - West

Lot 1 “Fluxys Patroller – West” covers flights with a Fluxys Patroller and includes 6 routes which represent approximatively 25% of the volume with a flight distance of about 52.600 km/ year. Additional details about these routes can be found in Annex H – Scope of Services.

Lot 2: Fluxys Patroller - East

Lot 2 “Fluxys Patroller – East” covers flights with a Fluxys Patroller and includes 5 routes which represent approximatively 22% of the volume with a flight distance of about 47.500 km/ year. Additional details about these routes can be found in Annex H – Scope of Services.

Lot 3: Photographer – Major Axes I

Lot 3: Photographer – Major Axes I” covers flights with a Photographer provided by the Bidder and includes 3 routes which represent approximatively 26% of the volume with a flight distance of about 55.600 km/year. Additional details about these routes can be found in Annex H – Scope of Services.

Lot 4: Photographer – Major Axes II”

Lot 4: Photographer – Major Axes I” covers flights with a Photographer provided by the Bidder and includes 4 routes which represent approximatively 27% of the volume with a flight distance of about 56.800 km/ year. Additional details about these routes can be found in Annex H – Scope of Services.