Executive Summary
OCS delivered the full life-cycle plant replacement at Citypoint, a 36-storey commercial landmark in London owned by Brookfield Properties. The project focused on replacing critical end-of-life systems while maintaining 24/7 operations for international tenants.
The works, completed without a single unplanned service interruption, have futureproofed over 130,000 sq. ft. of contiguous commercial space and strengthened the long-term resilience of the asset.
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36 storeys
Of occupied space kept fully operational throughout delivery
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130000 sq. ft.
Of contiguous commercial space futureproofed
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100%
Project milestones delivered on schedule
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24/7
Operations fully supported with no unplanned outages
The Brief
Citypoint required a complex programme of critical plant replacements to ensure long-term building resilience, efficiency, and compliance. Brookfield Properties appointed OCS as principal contractor to deliver this while preserving continuous operations in a live, high-profile environment.
The brief demanded:
The Outcome
The project was completed without a single unplanned service interruption, despite the complexity of delivering major engineering works in a live, 24/7 commercial tower.
Citypoint now benefits from significantly improved resilience, enhanced energy efficiency, and future-ready core systems. The collaborative, partnership-led delivery model established during the works has created a blueprint for managing complex upgrades in occupied, high-profile environments, striking a balance between technical excellence and an exceptional occupier experience.
BEST Outcomes
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We built a seamless partnership between the customer, contractors, and occupiers, ensuring service continuity and transparency at every stage.
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All works were delivered on schedule, with phased handovers, temporary systems, and night works ensuring no operational impact.
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Robust safety, quality, and risk management processes underpinned all engineering and construction activities in this live environment.
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Citypoint’s plant and systems are now futureproofed to meet the demands of modern occupiers and evolving compliance standards.
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The project enhanced Citypoint’s operational resilience, tenant satisfaction, and long-term asset value, while demonstrating best-in-class delivery for complex engineering programmes.
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0%
Of project KPIs delivered on or ahead of target
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5 major plant systems replaced, including chilled water and air handling plant
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Productivity
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Innovation
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Social Value
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Sustainability
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Productivity
