Archives

D-304/2015a Post Emergency Borehole Design (Fractured Rock Aquifer)

This document contains a simplified design to help UNHCR and WASH actors design drilled boreholes (fractured rock) in refugee settings. The package includes: Technical Drawings; Step by Step Construction Drawings; Bills of Quantity; Material and Workmanship Specifications; and Design Calculations.

F-302/2015a Well Cleaning and Chlorination Log Sheet (UNHCR, 2015)

This is the standard UNHCR well cleaning and chlorination template for refugee settings available in PDF and MSExcel formats. The form should be completed each time a hand dug well is cleaned, chlorinated and tested for faecal coliforms. The form is available in MSExcel format so WASH actors can adapt the content to the context.

    F-301/2015a Sample Drilling Contract and Specifications for Refugee Settings (UNHCR, 2015)

    This is the standard UNHCR borehole drilling contract template for refugee settings available in PDF and MSWord formats. The contract also includes a technical specification for drilling which defines the following borehole construction requirements: drillpipe diameters; casings and screens; hydrogeological survey; identification of drilling sites; abandoned boreholes; drilling equipment and depths; plumbness and alignment; temporary lid; artificial and natural gravel pack; well development; sanitary seal; pumping tests; borehole yields; borehole pollution; borehole disinfection; and water samples.

      Sphere Minimum Standards and Indicators for Humanitarian Response (SPHERE, 2011)

      The Sphere Handbook is one of the most widely known and internationally recognized sets of common principles and universal minimum standards for the delivery of quality humanitarian response.