National Building Code Standards for Industrial Hazardous Storage: London, Ontario Compliance

Expert Industrial Construction Compliance in London, Ontario

At empcontracting.ca Inc., your trusted construction contractor in London, Ontario, we specialize in ensuring your industrial facilities meet the stringent requirements of the National Building Code of Canada (NBC). Proper management of hazardous storage and fire separations is essential for safety and legal compliance.

Storage and Dispensing Rooms for Flammable and Combustible Liquids

According to NBC Section 3.3.6.4, fire separations for rooms where flammable and combustible liquids are stored must adhere to fire-resistance ratings defined in the National Fire Code (NFC). For facilities in London, Ontario that dispense Class IA or IB liquids, specialized engineering is required to prevent structural damage from internal explosions, often utilizing deflagration venting in accordance with NFPA 68 standards.

High-Volume Tire Storage Requirements

Facilities storing more than 375 m³ of rubber tires are subject to Section 3.3.6.5. These areas must be isolated from the rest of the building by a fire separation with a minimum fire-resistance rating of 2 hours. empcontracting.ca Inc. can help you design and implement these critical safety barriers.

Ammonium Nitrate Storage and Safety Specifications

Ammonium nitrate storage is classified as a medium-hazard industrial occupancy (Group F, Division 2). The building code mandates several architectural constraints to mitigate risk:

Building Height: Structures must be limited to a single storey.
Sub-floor Safety: Basements, crawl spaces, and floor drains are prohibited to prevent the trapping of molten materials.
Ventilation: A minimum vent area of 0.007 m² for every square metre of storage is required unless mechanical systems are installed.
Material Compatibility: Flooring must be noncombustible, and the building must be designed to prevent the chemical from contacting corrosive or unstable materials.

Impermeable Flooring for Dangerous Goods

Under Section 3.3.6.7, any area storing dangerous goods must feature flooring constructed of impermeable materials. This prevents the absorption of chemicals into the substrate, protecting the environment and the building's structural integrity. As your construction contractor in London, Ontario, we provide specialized coatings and materials to meet these industrial needs.

Fire Separations in Chemical Process Plants

In process plants where small-scale chemical unit processes occur or unstable liquids are handled, the code (Section 3.3.6.8) requires a robust 2-hour fire-resistance rating to separate these zones from the remainder of the building. Closures must be equipped with self-closing devices and be airtight to prevent the migration of hazardous gases into other building sections.

For professional guidance on NBC compliance and industrial builds, contact empcontracting.ca Inc., your dedicated construction contractor in London, Ontario.