Hydraulic ram pumps and Sling Pumps

WaterAidDemonstration latrinesFull-scale demonstration latrines, preferably showing the range of designs for squat-holes, should bebuilt in each village before the start of a sanitation project. It is vitally important that the familiesshould be enabled to provide themselves with what they are happy with, not with what is thought goodfor them. Each family should be given detailed advice on siting (preferably downwind, away from treesand not too close to places where food is stored or prepared).SuperstructureA superstructure (latrine house) is needed to give privacy and can be built of any local material.The Ventilated Improved Pit (VIP) latrineThe ventilated improved pit latrine was introduced in Africa in the 1970s and has proved successful inrural areas in overcoming problems with flies and odours. Its essential features are illustrated in thefollowing diagram:http://www.wateraid.org.uk/in_depth/technology_notes/303.asp (3 of 6) [1/13/2005 12:49:58 PM]