This free downloadable Excel-based costing tool is designed to be used with its manual which can be purchased here.

The manual and tool are the outcome of a project identified by the Water, Sanitation and Health Programme (WSH) of the World Health Organization (WHO) faced with the challenge of costing options for improved access, both to safe drinking water and to adequate sanitation.

It provides practical guidance to facilitate and standardize the implementation of social life-cycle costing to “improved” drinking-water supply technologies as defined by the WHO/UNICEF Joint Monitoring Programme for Water Supply and Sanitation.

To facilitate the application of costing methods to actual projects, a basic tool was developed using Microsoft Excel, which is called a Water Supply Costing Processor (WSCP). It is provided in two versions, a blank version and a demo version with the costing example presented in Chapter 6 of the manual. The WSCP enables a user-friendly implementation of all the tasks involved in a social life-cycle costing process and provides both the detailed and the consolidated cost figures that are needed by decision-makers.

To receive the tool, please read the terms and conditions and complete the questionnaire. Once you have completed the questionnaire, the tool will be sent to your email.

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