Hiring Services For The Elaboration Of The Technical Work File Of The Project: Improvement And Expansion Of The Rural Potable Water Service And Improvement And Expansion Of The Sewerage Service Or Other Forms Of Sanita Provision - Contracting Services For The Elaboration Of The Technical Work File Of The Project: Improvement And Expansion Of The Rural Potable Water Service And Improvement And Expansion Of The Sewerage Service Or Other Forms Of Sanitary Disposal Of Excreta.