WASAC Utility Ltd: Tender notice for the construction of 70 toilets to be constructed and 11 to rehabilitate in different branches and WTPS station Gashyantare 12, 2025 Hashize amezi 6 Imvaho Nshya Gashyantare 12, 2025 Hashize amezi 6 Imvaho Nshya Gashyantare 12, 2025 Hashize amezi 6