Design Delivers Cost Savings at Chevron One Apartments

Chevron One Apartments

The Seismic Backbone:

Integrating Life Safety and Compliance at Chevron One

High-rise safety depends on hidden engineering elements. At Chevron One Apartments, the seismic design for suspended ceilings shows how compliance is delivered through structural, fire, and acoustic integration.

The suspended ceiling system—over forty floors—is a major life-safety risk in an earthquake. A failure also compromises mandated fire and acoustic performance between apartments. The restraint design is a critical compliance element, not an architectural detail, because it must integrate structural, fire, and acoustic requirements. This is where construction risk is often hidden.

Dual Systems and Integrated Risk

The project required us to manage two different systems: Armstrong Peakform for the lower levels and OWAconstruct drywall for the upper floors. Combining two proprietary systems in one high-rise seismic strategy is complex. Each system’s unique mass, stiffness, and connections required a unified, bespoke model.

All restraint points had to meet the tower's overall compliance envelope. For instance, any ceiling connection had to avoid breaching the Fire Resistance Level (FRL) of a concrete wall or diminishing the required Acoustic Rating (Rw) between apartments.

Specialist engineering proves its value by meeting these exact, constrained technical requirements and securing the necessary certification. International standards, such as ASTM C635/C635M-12, must be practically translated into effective, site-specific designs for local regulatory rules.

Practical Insights for High-Rise System Compliance

• FRL/Acoustic Constraint: The restraint design must not compromise the building's FRL or acoustic rating. The system must allow the primary structure to move without causing secondary element failure.
• Non-Standard Design: High-rise towers demand bespoke solutions. Integrating proprietary ceiling systems (like Armstrong Peakform and OWAconstruct Drywall) means standard manufacturer details cannot meet the specific load path and performance criteria.
• Certification Secures Programme: The Form 15 certificate is the definitive legal document for this life-safety system. Securing this early is fundamental to a main contractor’s programme management and risk profile.

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Systematic Compliance Delivery

Brevity’s focus was technical compliance and managing scope variations without programme delay. We used a structured, tiered fee system for all Consultant Advice Notices (CANs) and Requests for Information (RFIs)—Simple, Standard, Complex.

This system gave cost certainty and authority upfront, removing the administrative delays common with open-ended technical consultation. The Form 15 certificate validated the compliant engineering structure, allowing the main contractor’s team to concentrate on the core programme.

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The Practical Lesson

The installed architectural finish must be delivered as a safe, certified, and enduring system of integrated compliance. For future high-rise success, engage specialists who can navigate the detailed constraints of FRL, acoustics, and structural dynamics to deliver technical precision on time.

To move your next complex project from design to certification with certainty, engage with Brevity to secure the critical compliance elements of your build.

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