We are grateful to the UK Department of International Development for its generous
financial support for this Manual. In particular we wish to express our thanks to Mr
Ian Curtis, Senior Water Adviser, and Mr Jeremy Ockleford, Consultant Engineering
Adviser for Water Supply and Sanitation, Infrastructure and Urban Development
Department for their general support and their very helpful comments on the early
drafts of this Manual.
In Brazil we wish to express our gratitude to several colleagues: Augusto Sérgio
Guimarães, GAIA Engenharia Ltda, Rio de Janeiro RJ; Professor Cicero Onofre
Neto, Universidade Federal do Rio Grande do Norte, Natal RN; Dr Maurício
Luduvice, CAESB, Brasília DF; and Celso Savelli Gomes, SANEPAR, Curitiba PR.
In Kenya, where the PC-based design procedure was extensively fieldtested, we are
very grateful to Dr Graham Alabaster, UNCHS, Nairobi and to the following who
evaluated the PC-based design procedure during a Workshop held in Nairobi in May
2000: Eng. N.N. Nyariki, Eng. H.A. Jirma, Eng. E. Kamau and Mr G.G. Kanyi (Urban
Development Department, Ministry of Local Government, Nairobi), Mr Lander J. Ocio
(MSc student, Department of Civil and Environmental Engineering, University of
Newcastle upon Tyne), and Mr Harrison Kwach (consultant, UNCHS, Nairobi).