General renovation small swimming pool of the municipality of Beuren, technical planning services Technical equipment for heating, ventilation, plumbing, § 55 HOAI iVm. Appendix 15, performance phases 1-4

Technical equipment for heating, ventilation, plumbing, § 55 HOAI iVm. Appendix 15, performance phases 1-4 (level 1). Client's option: level 2 (service phases 5-7) and level 3 (service phases 8-9). No entitlement by the contractor to re-order according to level 1.