Tenders are invited for National calls for tenders : national open call for tenders no. 01/aono/c.bygam/sigamp/cipmp/2025 of 03/04/2025 for the rehabilitation of a solar-powered drinking water supply network by capturing a non-depleting water source, a semi-buried reinforced concrete tank with a capacity of 12m3 approximately 900ml from the collection point in the locality of djemgang-piegne in the commune of bayangam, koung-khi department, west region (in emergency procedure)