System Redundancy vs Capital Cost
Tier redundancy by functional criticality using shared backup capacity to protect essential services without duplicating entire systems.
CyberTRIZ analysis · RealEstateConstruction contradiction DSP012 · one of 8,235 worked contradictions published by CyberTRIZ.AI
Regulations
Business Context
Redundant building systems can maintain critical functions when equipment fails or requires maintenance. However, duplicate chillers, pumps, electrical supplies, generators, controls, and other systems increase capital expenditure, occupy space, and create additional maintenance requirements.
Real Estate & Construction TRIZ Resolution
Redundancy should be provided according to functional criticality rather than duplicating complete systems. Shared backup capacity, modular equipment, cross-connected systems, temporary replacement provisions, and selective redundancy can protect critical functions while reducing unused standby infrastructure.
Applicable TRIZ Principles
Principle 1 – Segmentation separates critical functions from systems that do not require full redundancy.
Principle 6 – Universality allows backup capacity to support multiple systems or zones.
Principle 11 – Beforehand Cushioning provides targeted protection against failures with significant consequences.
Expected Outcome
Improved system reliability
Lower redundancy cost
Reduced equipment duplication
More efficient use of technical space
Decision Indicators
Early indicators include:
Complete systems are duplicated despite different criticality levels.
Backup equipment remains unused for most of its lifecycle.
Redundancy requirements substantially increase plant space.
Reliability improvements depend primarily on additional equipment.
Capital constraints cause necessary backup systems to be removed entirely.