As you go through the process of selecting the appropriate level of window and glass protection that is required, below is the step by-step-process.
ACE: TRA OVERVIEW
As you go through the process of selecting the appropriate level of window and glass protection that is required, below is the step by step process.
Performing your TRA (Threat Risk Assessment)
A Threat and Risk Assessment (TRA) related to glass windows and glass doors is a process for managing the risks by validating existing safeguards, supplementing these safeguards when necessary, and eliminating unnecessary safeguards. Threats can be remote or time delayed or local attacks, or physically invasive and even destructive. The purpose of these attacks is to acquire specific assets or to interrupt access to a service, enabling the attacker to gain notoriety, cause injury and harm to others, known or unknown, or to disrupt corporate/government intelligence, or financial economic systems or services.
Weapon:
Whether an object is a weapon is a subjective test and depends on all the circumstances. The assailant may use a variety of common unassuming objects as a weapon.
A weapon includes but not limited to:
- anything designed to be used as a weapon;
- anything that a person uses as a weapon, whether that thing is designed as a weapon or not; and
- anything that one intends to use as a weapon regardless of its design.
Common weapons use on glass windows and doors are as follows but not limited to this list: hammers of all types shapes and sizes, pipes, crow bares, clubs including sports bats etc.,… rocks, brick, hand/ fist pounding/foot kicking, shooting through or at.
Firearms:
Firearm” means a barrelled weapon from which any shot, bullet or other projectile can be discharged and that is capable of causing serious bodily injury or death to a person and includes any frame or receiver of such a barrelled weapon and anything that can be adapted for use as a firearm.
- Hand guns
- Long Guns (including hunting and sniper rifles)
- Assault rifles
Fragmentation (weaponry):
- Grenades, shells, land mines.
IED’s (Improvised explosive devices):
IEDs are hand-carried parcel or suitcase bombs, also fall into the same category as the “suicide vests” worn by a bomber, IED devices are vehicles laden with explosives to act as large-scale stationary or self-propelled bombs, also known as VBIED (vehicle-borne IEDs). Pipe bombs Explosives hidden in backpacks, boxes, garbage recitals, Pressurized Container i.e. (slow cooker)
Incendiary weapons, aka (Molotov cocktail) incendiary devices or are weapons designed to start fires or destroy sensitive equipment using fire, that use materials such as petrol, diesel fuel, kerosene, napalm, thermite, magnesium powder, chlorine trifluoride, or white phosphorus.

Legal Disclaimer:
There is no absolute assurance that this form (guide) guarantees that every contingency is thought of, considered, or suggested. ACE does not and cannot sign off on your self TRA assessment. ACE recommends that you engage a Loss Prevention Professional to assist you in the exercise of detailing your TRA should you deem necessary. ACE has a list of competent licensed professionals you may engage directly.