The works concern:

- occasional demolition of GBA and construction of footings and GBA;

- modification or deletion of ITPC;

- various works in TPC: repair of concrete slabs, recovery of sanitation, lining of concrete slab joints, bridging of GBA feet.

The works concern:

- partial demolition of GBA: approximately 2,800 ml;

- construction of concrete footings: approximately 6,500 ml;

- construction of slotted channel: approximately 2,000 ml;

- extension of slotted channel: approximately 680 ml;

- construction of GBA: approximately 9,800 ml;

- modification or deletion of ITPC: five units;

- various works in TPC: repair of concrete slabs, resumption of sanitation, lining of concrete slab joints, bridging of GBA feet, application of BBME mixes, etc.