Technical notes on drinking-water, sanitation and hygiene in emergencies - 2nd edition
Flooding, earthquakes, civil unrest and other natural and man-made disasters often cause damage to hand-dug wells. This technical note sets out the actions needed to repair and rehabilitate a hand-dug well so that it can be returned to its former condition. The emergency repair and rehabilitation measures proposed are temporary and should be followed by measures for permanent rehabilitation.
1.Cleaning and disinfecting wells 2.Cleaning and disinfecting boreholes 3.Cleaning and disinfecting water storage tanks and tankers 4.Rehabilitating small-scale piped water distribution systems 5.Emergency treatment of drinking-water at the point of use 6.Rehabilitating water treatment works after an emergency 7.Solid waste management in emergencies 8.Disposal of dead bodies in emergency conditions 9.How much water is needed in emergencies 10.Hygiene promotion in emergencies 11.Measuring chlorine levels in water supplies 12.Delivering safe water by tanker 13.Planning for excreta disposal in emergencies 14.Technical options for excreta disposal in emergencies 15.Cleaning wells after seawater flooding