Stony Mountain Institution 96-Bed Maximum Security Unit

Project Overview

Located at the Stony Mountain Institution in Manitoba, this project involved the construction of a new maximum-security unit within the existing penitentiary grounds. The approximately 407,000-square-foot facility is purpose-built to support secure containment, supervision, and daily operations within a highly controlled correctional environment.

The unit is organized into four two-storey inmate ranges, supported by an administration wing and a centralized control area. Each range includes 24 cells along with shared dining and support spaces, creating a structured layout that enables efficient movement, monitoring, and operational oversight.

Design and Construction

The facility is constructed using cast-in-place concrete, selected for its durability, strength, and performance in a high-security setting. Each inmate cell was designed with seamless, pick-resistant finishes to meet strict correctional standards, requiring precise detailing and consistent execution throughout construction.

To support efficiency and quality control, modularized formwork systems were custom-engineered to ensure accurate embed placement and repeatability across cell construction. This approach enabled improved turnaround times while maintaining the stringent tolerances required for security-focused design.

Additional program elements include dedicated laundry facilities, indoor and outdoor recreation areas, and supporting infrastructure to accommodate daily operational needs within the secure perimeter.

Operational Environment

Construction was carried out within an active correctional facility, requiring strict adherence to security protocols at every stage. Controlled access, coordination with institutional operations, and careful sequencing of work were essential to maintaining safety and minimizing disruption.

The completed unit is designed to support continuous monitoring and controlled movement, with the centralized control area providing clear oversight of all inmate ranges. Spatial planning and material selection were aligned to reinforce safety, durability, and long-term operational performance.

Outcome

The Stony Mountain maximum security unit delivers a purpose-built environment that meets the demanding requirements of correctional operations. Through careful coordination, precise execution, and a focus on security-driven design, the project enhances the institution’s capacity while supporting safe, efficient, and reliable day-to-day operations.

Defence & Security: Purpose-Built, Operationally Focused Environments (INSIGHTS article)