Plan for selecting contractors to construct the project: Dak A Sel irrigation (village 2) - Son Lang commune; Category: Repairing the entrance to the aqueduct and the bottom of the canal

Repair of the Dak A Sel irrigation project is as follows: - Repair of the aqueduct entrance by demolishing the old aqueduct entrance, cross-sectional size (70x100)cm, wall thickness 10cm, length 4.55m; - Excavation of the old aqueduct foundation, replacing it with compacted soil with density K=0.8; volume: 28.21 m3; excavating soil and transporting it 510 m from the excavation location to the entrance to the aqueduct (taking advantage of excess soil when digging canals to embank both sides of previous old works); - Reinforce the entrance to the aqueduct with reinforced concrete, 1x2 stone, grade 200, wall thickness 10 cm; Cross-sectional dimensions are the same, 4.55m long; - Adding a trash screen at the entrance to the aqueduct made of welded steel frame, welded with D10mm steel, D10 bar spacing, a=10cm; size (50x70)cm. - Repair the 387m long section of the main canal with a hole in the bottom; by dredging soil to fill the canal bottom; volume: 54.17 m3; Sand the bottom of the old canal, add a layer of stone concrete, 1x2 grade 200, 5 cm thick.

Capital sources to support the use of public irrigation products and services in 2024.