horticultural services - 22 e 30529 - outdoor facility maintenance and winter service state reception authority ni oldenburg 2022./ outdoor facility maintenance and winter service at a refugee accommodation and the general public administration (lab ol) - lot 1: lab ol external facility maintenance, maintenance maintenance of green areas: approx. 33,682 m², cleaning of paved areas : approx. 3,810 m², lot 2: lab ol winter service, area to be worked on: approx. 6,531 m².