The construction work on this 36.7 km section is being carried out by the company SINOHYDRO CORPORATION LIMITED for an amount of 17,386,622,279 CFA francs excluding tax, under the technical control of the CIRA S.A. / BEC LA ROUTIERE Group.
After the termination of the contract of the failing company CR 20, the work started in December 2023. To date, the construction work of the company's living base is being completed, with 80% progress. The installation of the concrete plant has been completed and production tests have been carried out.
Over the past few days, teams have carried out preparatory work, including clearing work carried out between PK 107+800 and 117, cleaning the purge areas at PK 114, PK 114+650, and PK 115+ 150 and at PK 116+585. Drainage works were also carried out, including excavations, reinforcement, formwork and concreting of the invert of the culvert passage at PK 117+246. To start the roadworks, the company has started the supply of 0/31.5 at PK 96+500.
However, some constraints were identified: the situation of compensation on the section and the problem of the hydraulic structures of PK 95+270 and PK 84+175.
The project provides for the development of a 36.7 km stretch of 5 cm thick bituminous concrete road between Ndjolé and Mankim, 7 m wide with 1.5 m shoulder on both sides. 'other of the roadway. The structure of the RN15 roadway includes a 30 cm base layer of lateritic gravel, a 20 cm base layer of 0/31.5 crushed gravel, and a 5 cm wearing course of bituminous concrete. The project also provides for the construction of 51 passages of hydraulic structures (957.15 ml) and 04 engineering structures of 100 ml in cumulative length.
Clément Noumsi
Opmerkingen