This handbook is primarily focused on 'low-cost' domestic roofwater
harvesting (DRWH) in the 'humid tropics'. It has been written to
assist NGO and government staff responsible for implementing domestic
roofwater harvesting systems or programmes. It is also meant to serve as
a source of material for rainwater harvesting associations preparing
national design guidelines in local languages. Finally, it could be used
by individual householders or masons literate in English to design
single roofwater harvesting systems.
Part A (Chapters 1 to 4) is focused on answering the question \"When
should DRWH be considered as a water supply option for a specified
location or country?\" This entails addressing other questions, such as,
\"How might DRWH be combined with other water sources?\" and \"How can
DRWH systems be delivered?\" Thus, Part A is aimed at those with
responsibility for choosing technology - for example managers of NGO and
governmental water programmes.
The rest of the handbook, Part B, is aimed at those implementing DRWH
programmes and concentrates on which of the many forms of DRWH should be
used in particular circumstances.
IRC International Water and Sanitation Centre, Delft, The Netherlands, Technical Paper Series no. 49, ISBN 9789066870574, 160 p.