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close this bookA Guide to the Development of on-site Sanitation (WHO; 1992; 246 pages)
View the documentPreface
open this folder and view contentsPart I. Foundations of sanitary practice
close this folderPart II. Detailed design, construction, operation and maintenance
open this folder and view contentsChapter 5. Technical factors affecting excreta disposal
open this folder and view contentsChapter 6. Operation and maintenance of on-site sanitation
open this folder and view contentsChapter 7. Components and construction of latrines
close this folderChapter. 8 Design examples
View the documentIntroduction
View the documentPit latrine design
View the documentSeptic tank design
View the documentAqua-privy design
View the documentDisposal of effluent from septic tanks and aqua-privies
View the documentComposting toilets
open this folder and view contentsPart III. Planning and development of on-site sanitation projects
View the documentReferences
View the documentSelected further reading
View the documentGlossary of terms used in this book
View the documentAnnex 1. Reuse of excreta
View the documentAnnex 2. Sullage
View the documentAnnex 3. Reviewers
View the documentSelected WHO publications of related interest
View the documentBack Cover
 

Introduction

The design of a latrine is governed by both consumer expectations and public health requirements. Although basic design factors remain the same (pit volume, septic tank retention time, etc.), the factors that govern the final cost of the latrine are controlled by local circumstances and requirements.

It is not feasible to illustrate all the possible design options. However, this chapter gives details of how to determine the basic dimensions for the most common designs and gives examples to illustrate the design procedure.

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