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Security Blast Protection

Having foreseen the threats that the world is well aware of today, DuraSystems is prepared with solutions for threats that are raised by terror organizations.

DuraSystems prides itself in designing and implementing physical security features for all types of installations, providing blast protection for structural elements, force entry protection, pedestrian and vehicle entrances and barriers, and ventilation systems used in providing fresh air and smoke exhaust in the event of an emergency.

DuraSystems using its vast fire and blast knowledge from other industries has developed a product line that will help to protect people and property from terrorism. DuraSystems walls, doors and ventilation systems have been tested in highly explosive situations. By simulating explosive devices carried by either people and or vehicles DuraSystems have tested their products for blast resistance.

Ventilation systems supplying pressurization air or smoke exhaust are important for building occupants in the case of a fire or blast. DuraSystems’ DuraDuct products have been tested for fire protection as well as structural integrity in a blast scenario. In several blast tests with different quantities of explosives up to 9lbs of C4 the ductwork saw no issues with its ability to supply air or remove smoke.

Click Here for Video of Blast Testing

In today`s heated security environment, protecting people and property is a large concern of many companies, organizations and governments. DuraSystems takes this concern seriously.

Currently there is a building trend to a more “open plan” environment. This “open plan” environment reduces the compartmentalization of building interiors, consequently providing less mitigation of the effects of a blast. In such instances the role of protecting these spaces becomes increasingly important.

To address this issue DuraSystems used its knowledge of blast protection to develop an interior partition that would protect against the force of an air blast and glass fragments. By making small modifications to some of DuraSystems’ fire wall products, we have been able to produce a wall system that will absorb this type of force.

DuraSystems’ security blast walls have many features. The product is relatively lightweight and should not require increased structural reinforcement. DuraSystems security walls are easy to install and are easily demountable and relocatable. One significant feature of the wall system is its post blast fire protection.

DuraSystems has tested wall and door systems with varying amounts of explosives. To simulate a vehicle bomb 200 KG (440lbs) of TNT was exploded at a distance of 20 meters (22 yards) to determine the level of protection. Not only did the wall provide an acceptable level of protection but the DuraSystems door was still operable.

Why Passive Fire Protection is Important

A major fire can have a devastating affect on both property and people. Although active fire protection such as sprinklers put out a fire, the smoke from the fire remains. This smoke can be harmful when not properly mitigated. Ventilation systems offer an effective method for the control of smoke.

Smoke can behave very differently in tall buildings than in low buildings. The predominant factors that cause smoke movement in tall buildings are stack effects, the effect of external wind forces, and forced air movement within the building. Smoke removal and venting practices are complicated by stack effects, which will tend to favour natural air movement vertically through the building as a result of differences in temperature and densities between the inside and outside air.

Pressurization and smoke exhaust systems are methods of controlling the smoke in the event of a fire. Life safety systems such as these are required to be fire rated so that service they provide will be continued in the event of a fire.