Patent ID: 8256164

Claim:
A safety hatch and guard rail system for an access opening of a roof of a building, comprising: a generally rectangular roof hatch curb projecting upwardly from a roof deck at the roof access opening, said generally rectangular roof hatch curb defining an upwardly facing curb rim and inner and outer wall surfaces; an upper edge and rim flashing covering said upward facing curb rim and defining an exterior flashing section extending downwardly along said outer wall surface of said generally rectangular roof hatch curb; a plurality of safety rail mounting brackets being fixed to said exterior flashing section and projecting outwardly beyond said exterior flashing section and defining safety rail support post mount holes; a safety rail assembly having a plurality of safety rail support posts each having a downwardly projecting mounting member being received by a safety rail support post mount hole; and retainer members being received by said safety rail support post mounting members and securing said mounting members to said safety rail mounting brackets and securing said safety rail assembly to said exterior flashing section of said upper edge and rim flashing.