Some work may be in non-heated and non-air-conditioned structures:(Occasionally); Perform field assignments in poor weather and driving conditions and deal with other hazards of field work:(Occasionally); Work at varying heights up to 15 feet above the floor:(Occasionally); and. Distribution Engineering manages the relocation, replacement, and installation of water distribution and transmission mains, while Facilities Engineering oversees improvement and expansion projects involving water treatment, pumping, storage, and administrative facilities.