Patent ID: 9316015
Filing Date: 2016-04-19
CPC Classification: E04B,E04C,E04H,E06B,Y02A

Claim Text:
1. A shelter for protecting occupants from debris and other effects of high velocity winds and explosive blasts, the shelter comprising: a first generally rectangular steel frame structure comprising a first lower side hollow structural section (HSS) steel tube beam, a second lower side HSS steel tube beam, a first lower end HSS steel tube beam and a second lower end HSS steel tube beam, the first and second lower end HSS steel tube beams positioned perpendicularly to the first and second lower side HSS steel tube beams and secured to the lower side HSS steel tube beams, the intersections of the lower end HSS steel tube beams with the lower side HSS steel tube beams forming corners of the first steel frame structure; a plurality of floor joists extending between the lower side HSS steel tube beams, each joist having an upper surface and a lower surface; and a floor comprising a plurality of floor panels secured to the upper surfaces of the floor joists, each floor panel comprising a non-combustible board laminated to a metallic sheet, each floor panel positioned on the floor joists with the respective metallic sheet adjacent to upper surfaces of the floor joists and with the non-combustible board facing upward away from the floor joists; a plurality of vertical columns, each column having a lower end and an upper end, at least one column of the plurality of columns positioned at each corner of the first steel frame structure with the lower end of the column secured to the first steel frame structure; a roof structure, comprising: and a first side wall formed between the first lower side HSS steel tube beam and the first upper side HSS steel tube beam, a second side wall formed between the second lower side HSS steel tube beam and the second upper side HSS steel tube beam, a first end wall formed between the first lower end HSS steel tube beam and the first upper end HSS steel tube beam, and a second end wall formed between the second lower end HSS steel tube beam and the second upper end HSS steel tube beam, each of the first and second side walls and the first and second end walls comprising: wherein: each lower end HSS steel tube beam comprises: and each upper end HSS steel tube beam comprises: