This document summarizes information about the procurement “Technical maintenance of individual heat substations” (ID No. SIAON 2026/12-MI): # Subject of procurement * Subject: Technical maintenance of individual heat substations (IHS). * Technical requirements: * Maintenance must be performed once a year in accordance with Cabinet Regulation No. 907. * Photographic documentation is required, and the “Residential Building Inspection Registration Log” must be completed. * Specific knowledge required regarding OUMAN automation, HONEYWELL valves, remote control systems…
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