Installation for the distribution of the gas
Construction of facilities for the distribution and use gas produced in accordance with the applicable provisions of the UNICIG7129 / 08 legislation including the works for the evacuation of combustion products.
OG11 - TECHNOLOGICAL SYSTEMS
Concerns within the limits specified in Article 118, paragraph 16, the supply, installation, operation and maintenance of a set of technological systems to each other and coordinated functionally interconnected, non-executable separately in categories of specialized works identified by the acronym OS 3 OS 5, OS 28 and OS 30.
OS28 - HEATING AND AIR CONDITIONING
Concerns the supply, installation and maintenance or restructuring of thermal plants and systems for climate conditioning, whatever their degree of importance, complete with all masonry work, or ancillary, to be carried out separately from the execution of others systems, in general works that have been completed or are under construction.