On the Subject of Safety Square
According to OSHA regulations, all workplaces containing hazardous materials need to be marked using the NFPA-704 standard “Fire Diamond” so emergency personnel can quickly identify possible hazards. Everything about that makes sense except for the fact that it’s mounted on a bomb.
- To disarm this module, determine the correct extinguisher and 4 digit color code to be used.
Fire Identification
- First, determine the type of fire present by going to the table according to the following conditions.
- If the sum of all the numbers on the square is less than 5, move to section A
- If the sum of all the numbers on the square is 5 or 6, move to section B
- If the sum of all the numbers on the square is more than 6, move to section C
Section A If the red number is equal to 0, a class B fire is present. Otherwise, if the yellow number is greater than the red, a class A fire is present. Otherwise, if there is no symbol present on the white square, a class C fire is present. Otherwise, if there is a lit FRK or IND indicator present, a class D fire is present. Otherwise, a class K fire is present. |
Section B If the blue number is less than 3, a class A fire is present. Otherwise, if the yellow number is equal to the blue number, a class B fire is present. Otherwise, if the red number is = to the number of port plates, a class K fire is present. Otherwise, if there is a lit CAR or BOB indicator present, a class D fire is present. Otherwise, a class C fire is present. |
Section C If there are more than 4 ports, a class C fire is present. Otherwise, if the sum of the numbers is greater than 9, a class D fire is present. Otherwise, if the yellow number is equal to 4, a class K fire is present. Otherwise, if the serial number contains an A, B, C, D, or K, a class A fire is present. Otherwise, a class B fire is present. |