One spare unit beyond the minimum required (N).
MEP · Global
One spare unit beyond the minimum required (N).
Standard for Class A trophy critical infrastructure: HVAC chillers, generators, UPS, primary power feeds. N+1 means the building can lose any one unit without service interruption.
N+1 redundancy is part of the mep vocabulary that institutional Class A occupiers, landlords, and advisers use across Global markets. Understanding it correctly affects how you read lease documents, model occupancy economics, and benchmark deal terms across cities. Class A Atlas tracks regional variation alongside the global standard so cross-border occupiers can translate quickly.