Purpose of the Consultancy: 1. Support Johanniter in the reviewing of the water pan tender documents received and advice on engaging an ideal water pan contractor. 2. Ensure the contractor complies with the terms of the contract, safety, and environmental requirements and the specified technical requirements for the construction of the water pan and irrigation system. 3. Provide technical oversight to the contractor in collaboration with the Turkana County WASH Engineer and ensuring all required standards for desilting and debris removal from the water pan and preparation and installation of the dam liner are met. Scope of Work: Under the supervision of the Johanniter International Assistance Programme Manager, the WASH Engineer will be responsible for carrying out the following functions and tasks; 1. Together with Johanniter International Assistance team, review and evaluate the tender submissions for the desilting and removal of debris from the water pan and preparation and installation of the dam liner and assist in the selection of the ideal contractor. 2. Ensure the contract complies with safety and environmental requirements and the specified technical requirements for the for the desilting and removal of debris from the water pan and preparation and installation of the dam liner. Expected Output and Deliverables: 1. Support Johanniter team in selection of an ideal contractor to install a dam liner to a water pan. 2. Submission of a final report to Johanniter providing a complete overview of the work done, follow-up activities for monitoring, challenges and any other information deemed relevant.