HCM City needs huge capital for flood-prevention programmesVietNamNet Bridge - As the local budget is limited, HCM City authorities have called for investment in 17 anti-flood projects under different investment modes. To date, only three canal dredging projects, three waste water treatment plants and 4,100 kilometers out of 6,000 kilometers of outlets have been built. “We are calling for investment in urban environment and waste water treatment projects under the mode of BLT (build, lease, transfer) and BTL (build, transfer, lease). Meanwhile, attendees at a conference held by the HCM City authorities in mid-August expressed their concern about the efficiency of anti-flood projects. HCM City Vice Mayor Tran Vinh Tuyen said it is necessary to find the exact causes of flooding.