worker_type valve_maintenance value_list_base locationtype valve_type valve_function valve_actuation tank_firestorage survey_type subscriber_type source_type source_quality remote_type pump_type pump_operating protectionzone_type pressurecontrol_type pipe_protection pipe_installmethod pipe_function part_type overflow leak_cause hydrant_provider hydrant_output hydrant_model_sup hydrant_model_inf hydrant_material cover_type bedding watertype pipe_material cistern precisionalti object_reference status precision visible