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  • Country Tunisia
  • Location: Governorate of Manouba
  • Duration of the mission: 24 months
  • Name of the Client : Ministry of Agriculture, Fisheries and Hydraulic Resources " CRDA Manouba

Hydraulic development - water management and treatment

CONTROL AND SUPERVISION OF THE WORKS FOR THE REHABILITATION OF THE CANAL OF LAROUSSIA


L’objet du marché que compte réaliser le CRDA par l’intermédiaire de l’Ingénieur-conseil est la réalisation du contrôle et surveillance des travaux rentrants dans le cadre de la réhabilitation du canal Laroussia branche nord sur un linéaire de Total de 14 km moins la partie achevée par le premier bureau d’études à la date de la réception provisoire.
The current development at the level of irrigated areas of the governorate of Manouba is insufficient in terms of intensification, diversification and crop yields. This insufficiency is attributed, among other things, to the state of the hydraulic infrastructure in place.
Le réseau hydraulique de la basse vallée de la Medjerda (BVM), conçu dans les années 1950, accuse la vétusté des canaux d’irrigation, le mauvais fonctionnement des appareillages, la perte d’eau due aux fuites, les cassures qui engendrent une rupture de desserte des agriculteurs. D’où le projet de modernisation de certains périmètres irrigués de la BVM qui consiste à définir les options techniques en recherchant l’optimum économique-, de modernisation des réseaux d’irrigation propres aux périmètres concernés par le projet et par le controle et surveillance des travaux de ceci. L’infrastructure commune à tous les périmètres, à savoir le Canal de Laaroussia, bien que vétuste, n’est pas concerné par le projet de modernisation pour des raisons économiques. C’est la raison essentielle qui sous-tend l’idée d’un projet de réhabilitation de ce canal
built 50 years ago, and which represents the main artery of the hydraulic network of the BVM perimeters.
Dans le cadre du projet de mise en valeur de la basse vallée de la medjerda, des ouvrages hydrauliques de base qui constituent l’ossature du réseau d’irrigation ont été créés entre 1952 et 1957, à Savoir :
-le barrage de retenue de SIDI SALEM pour régulariser le débit dans la medjerda et permettre l’irrigation de 50 000 hectares
-the Laaroussia intake dam to raise the water level and divert it to the irrigated areas
-The Grand Canal which originates from the Laaroussia dam and allows the transport of water by gravity over the entire plain of the lower valley of the Medjerda


The elaboration and the notification to the company of all the service orders of technical nature without financial incidence going out of the framework of the market for the execution of the works according to the rules of art and the technical prescriptions.
The preparation of all possible amendments to the company's contract.
The approval of the general arrangements made by the company in charge of the execution of the work.
The topographic verification of the implementation and the materialization on the ground of the works, the elements constituting the various networks and especially the operation of the various valves.
Verification of the provisions and application of the quality assurance plan.
Assistance to the CRDA for the administrative and financial management of the project.
Supervision of the various tasks of execution of the work according to the rules of the art.
The organization of weekly site meetings.
Verification and close control of the approved detailed schedule in order to guarantee the operability of the existing irrigation system at all times during the execution of the modernization works.
Keeping site notebooks where all daily activities of the company will be recorded, including bad weather and the conditions of execution of the work.
The resolution of disputes and specific problems related to the execution of the works contract.
The preparation and verification of site and financial attachments for the establishment of monthly situations of the company and contradictory verifications.
Attachments will be verified and signed by the site supervisor, the civil engineer and the project manager.


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