Pair of doors should have overlapping astragal
9. If glazing is provided the glass shall be clear fire rated glass and shall be     tested as a 
assembly along with the door
10.Pair of doors within a means of egress shall have a door coordinator to ensure proper 
closing
11.Where the products are tested and certified by any approved laboratory, the label shall 
specify the name of the agency and the certificate number
12.Fire door certificate shall have validity period of not more than 5 years.